replicate bad error

Describe Rust version for devs (#1044 )
Fixes #1042
2023-11-10 05:55:57 +11:00 · 2023-11-09 17:01:52 +00:00 · 2023-11-09 09:58:20 -06:00 · 2023-11-08 23:41:53 -06:00 · 2023-11-08 20:23:59 -06:00 · 2023-11-08 15:06:41 -06:00
157 changed files with 10505 additions and 6080 deletions
--- a/.codespellrc
+++ b/.codespellrc
@ -0,0 +1,3 @@
+[codespell]
+ignore-words-list: crate,everytime
+skip: **/target,node_modules,build
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -12,27 +12,32 @@ on:
  # Daily at 04:00 AM UTC
  # Will checkout the last commit from the default branch (main as of 2023-10-04)

+env:
+  BUILD_RELEASE: ${{ github.event_name == 'release' || github.event_name == 'schedule' || github.event_name == 'pull_request' && contains(github.event.pull_request.title, 'Cut release v') }}
+
 concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true
+
 jobs:
  check-format:
-    runs-on: 'ubuntu-20.04'
+    runs-on: 'ubuntu-latest'
    steps:
      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: 'yarn'
      - run: yarn install
      - run: yarn fmt-check

+
  check-types:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: 'yarn'
@ -44,12 +49,27 @@ jobs:
      - run: yarn build:wasm
      - run: yarn tsc

+
+  check-typos: 
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+      - name: Install codespell
+        run: |
+            python -m pip install codespell
+      - name: Run codespell
+        run: codespell --config .codespellrc # Edit this file to tweak the typo list and other configuration.
+
+
  build-test-web:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: 'yarn'
@ -68,14 +88,15 @@ jobs:

      - run: yarn test:cov

+
  prepare-json-files:
-    runs-on: ubuntu-20.04  # seperate job on Ubuntu for easy string manipulations (compared to Windows)
+    runs-on: ubuntu-latest  # seperate job on Ubuntu for easy string manipulations (compared to Windows)
    outputs:
      version: ${{ steps.export_version.outputs.version }}
    steps:
      - uses: actions/checkout@v4

-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: 'yarn'
@ -84,8 +105,8 @@ jobs:
        if: github.event_name == 'schedule'
        run: |
          VERSION=$(date +'%-y.%-m.%-d') yarn bump-jsons
-          echo "$(jq --arg url 'https://dl.kittycad.io/releases/modeling-app/test/nightly/last_update.json' \
-            '.tauri.updater.endpoints[]=$url' src-tauri/tauri.conf.json --indent 2)" > src-tauri/tauri.conf.json
+          echo "$(jq --arg url 'https://dl.kittycad.io/releases/modeling-app/nightly/last_update.json' \
+            '.tauri.updater.endpoints[]=$url' src-tauri/tauri.release.conf.json --indent 2)" > src-tauri/tauri.release.conf.json

      - uses: actions/upload-artifact@v3
        if: github.event_name == 'schedule'
@ -93,16 +114,18 @@ jobs:
          path: |
            package.json
            src-tauri/tauri.conf.json
+            src-tauri/tauri.release.conf.json

      - id: export_version
        run: echo "version=`cat package.json | jq -r '.version'`" >> "$GITHUB_OUTPUT"

-  build-apps:
-    needs: [check-format, build-test-web, prepare-json-files, check-types]
+
+  build-test-apps:
+    needs: [prepare-json-files]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
-        os: [macos-latest, ubuntu-20.04, windows-latest]
+        os: [macos-latest, ubuntu-latest, windows-latest]
    steps:
      - uses: actions/checkout@v4

@ -114,25 +137,32 @@ jobs:
          ls -l artifact
          cp artifact/package.json package.json
          cp artifact/src-tauri/tauri.conf.json src-tauri/tauri.conf.json
+          cp artifact/src-tauri/tauri.release.conf.json src-tauri/tauri.release.conf.json 

-      - name: install ubuntu system dependencies
-        if: matrix.os == 'ubuntu-20.04'
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev libayatana-appindicator3-dev librsvg2-dev
+      - name: Install ubuntu system dependencies
+        if: matrix.os == 'ubuntu-latest'
+        run: >
+          sudo apt-get update &&
+          sudo apt-get install -y
+          libgtk-3-dev
+          libgtksourceview-3.0-dev
+          webkit2gtk-4.0
+          libappindicator3-dev
+          webkit2gtk-driver
+          xvfb

      - name: Sync node version and setup cache
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
        with:
          node-version-file: '.nvmrc'
          cache: 'yarn' # Set this to npm, yarn or pnpm.

      - run: yarn install

-      - name: Rust setup
+      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable

-      - name: Rust cache
+      - name: Setup Rust cache
        uses: swatinem/rust-cache@v2
        with:
          workspaces: './src-tauri -> target'
@ -141,24 +171,27 @@ jobs:
        with:
          workspaces: './src/wasm-lib'

-      - name: wasm prep
+      - name: Run build:wasm manually
        shell: bash
+        env:
+          MODE: ${{ env.BUILD_RELEASE == 'true' && '--release' || '--debug' }}
        run: |
          mkdir src/wasm-lib/pkg; cd src/wasm-lib
-          npx wasm-pack build --target web --out-dir pkg
+          echo "building with ${{ env.MODE }}"
+          npx wasm-pack build --target web --out-dir pkg ${{ env.MODE }}
          cd ../../
          cp src/wasm-lib/pkg/wasm_lib_bg.wasm public

      - name: Fix format
        run: yarn fmt

-      - name: install apple silicon target mac
+      - name: Install Universal target (MacOS only)
        if: matrix.os == 'macos-latest'
        run: |
          rustup target add aarch64-apple-darwin

-      - name: Prepare Windows certificate and variables
-        if: matrix.os == 'windows-latest'
+      - name: Prepare certificate and variables (Windows only)
+        if: ${{ matrix.os == 'windows-latest' && env.BUILD_RELEASE == 'true' }}
        run: |
          echo "${{secrets.SM_CLIENT_CERT_FILE_B64 }}" | base64 --decode > /d/Certificate_pkcs12.p12
          cat /d/Certificate_pkcs12.p12
@ -172,8 +205,8 @@ jobs:
          echo "C:\Program Files\DigiCert\DigiCert One Signing Manager Tools" >> $GITHUB_PATH
        shell: bash

-      - name: Setup Windows certicate with SSM KSP
-        if: matrix.os == 'windows-latest'
+      - name: Setup certicate with SSM KSP (Windows only)
+        if: ${{ matrix.os == 'windows-latest' && env.BUILD_RELEASE == 'true' }}
        run: |
          curl -X GET  https://one.digicert.com/signingmanager/api-ui/v1/releases/smtools-windows-x64.msi/download -H "x-api-key:%SM_API_KEY%" -o smtools-windows-x64.msi
          msiexec /i smtools-windows-x64.msi /quiet /qn
@ -183,8 +216,17 @@ jobs:
          smksp_cert_sync.exe
        shell: cmd

-      - name: Build and sign the app for the current platform
+      - name: Build the app (debug)
        uses: tauri-apps/tauri-action@v0
+        if: ${{ env.BUILD_RELEASE == 'false' }}
+        with:
+          includeRelease: false
+          includeDebug: true
+          args: ${{ matrix.os == 'macos-latest' && '--target universal-apple-darwin' || '' }}
+
+      - name: Build the app (release) and sign
+        uses: tauri-apps/tauri-action@v0
+        if: ${{ env.BUILD_RELEASE == 'true' }}
        env:
          TAURI_PRIVATE_KEY: ${{ secrets.TAURI_PRIVATE_KEY }}
          TAURI_KEY_PASSWORD: ${{ secrets.TAURI_KEY_PASSWORD }}
@ -194,17 +236,35 @@ jobs:
          APPLE_ID: ${{ secrets.APPLE_ID }}
          APPLE_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
+          TAURI_CONF_ARGS: "--config ${{ matrix.os == 'windows-latest' && 'src-tauri\\tauri.release.conf.json' || 'src-tauri/tauri.release.conf.json' }}"
        with:
-          args: ${{ matrix.os == 'macos-latest' && '--target universal-apple-darwin' || '' }}
+          args: "${{ matrix.os == 'macos-latest' && '--target universal-apple-darwin' || '' }} ${{ env.TAURI_CONF_ARGS }}"

      - uses: actions/upload-artifact@v3
+        env:
+          PREFIX: ${{ matrix.os == 'macos-latest' && 'src-tauri/target/universal-apple-darwin' || 'src-tauri/target' }}
+          MODE: ${{ env.BUILD_RELEASE == 'true' && 'release' || 'debug' }}
        with:
-          path: ${{ matrix.os == 'macos-latest' && 'src-tauri/target/universal-apple-darwin/release/bundle/*/*' || 'src-tauri/target/release/bundle/*/*' }}
+          path: "${{ env.PREFIX }}/${{ env.MODE }}/bundle/*/*"
+
+      - name: Install tauri-driver for e2e tests (linux only)
+        if: matrix.os == 'ubuntu-latest'
+        uses: actions-rs/cargo@v1
+        with:
+          command: install
+          args: tauri-driver
+
+      - name: Run e2e tests (linux only)
+        if: matrix.os == 'ubuntu-latest'
+        run: xvfb-run yarn test:e2e
+        env:
+          MODE: ${{ env.BUILD_RELEASE == 'true' && 'release' || 'debug' }}
+

  publish-apps-release:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'release' || github.event_name == 'schedule' }}
-    needs: [build-test-web, prepare-json-files, build-apps]
+    needs: [check-format, check-types, check-typos, build-test-web, prepare-json-files, build-test-apps]
    env:
      VERSION_NO_V: ${{ needs.prepare-json-files.outputs.version }}
      VERSION: ${{ github.event_name == 'release' && format('v{0}', needs.prepare-json-files.outputs.version) || needs.prepare-json-files.outputs.version }}
--- a/README.md
+++ b/README.md
@ -48,7 +48,7 @@ We recommend downloading the latest application binary from [our Releases page](

 ## Running a development build

-First, [install Rust via `rustup`](https://www.rust-lang.org/tools/install). This project uses a lot of Rust compiled to [WASM](https://webassembly.org/) within it. Then, run:
+First, [install Rust via `rustup`](https://www.rust-lang.org/tools/install). This project uses a lot of Rust compiled to [WASM](https://webassembly.org/) within it. We always use the latest stable version of Rust, so you may need to run `rustup update stable`. Then, run:

 ```
 yarn install
@ -104,7 +104,7 @@ To spin up up tauri dev, `yarn install` and `yarn build:wasm-dev` need to have b
 yarn tauri dev
 ```

-Will spin up the web app before opening up the tauri dev desktop app. Note that it's probably a good idea to close the browser tab that gets opened since at the time of writting they can conflict.
+Will spin up the web app before opening up the tauri dev desktop app. Note that it's probably a good idea to close the browser tab that gets opened since at the time of writing they can conflict.

 The dev instance automatically opens up the browser devtools which can be disabled by [commenting it out](https://github.com/KittyCAD/modeling-app/blob/main/src-tauri/src/main.rs#L92.)

--- a/docs/kcl/std.json
+++ b/docs/kcl/std.json
@ -3812,7 +3812,7 @@
    "args": [
      {
        "name": "data",
-        "type": "AngeledLineThatIntersectsData",
+        "type": "AngledLineThatIntersectsData",
        "schema": {
          "description": "Data for drawing an angled line that intersects with a given line.",
          "type": "object",
--- a/docs/kcl/std.md
+++ b/docs/kcl/std.md
@ -763,12 +763,12 @@ Draw an angled line that intersects with a given line.


 ```
-angledLineThatIntersects(data: AngeledLineThatIntersectsData, sketch_group: SketchGroup) -> SketchGroup
+angledLineThatIntersects(data: AngledLineThatIntersectsData, sketch_group: SketchGroup) -> SketchGroup
 ```

 #### Arguments

-* `data`: `AngeledLineThatIntersectsData` - Data for drawing an angled line that intersects with a given line.
+* `data`: `AngledLineThatIntersectsData` - Data for drawing an angled line that intersects with a given line.
 ```
 {
 	// The angle of the line.
--- a/e2e/tauri/specs/signin.e2e.js
+++ b/e2e/tauri/specs/signin.e2e.js
@ -0,0 +1,11 @@
+describe('Modeling App', () => {
+  it('open the sign in page', async () => {
+    const button = await $('#signin')
+    expect(button).toHaveText('Sign in')
+    
+    // Workaround for .click(), see https://github.com/tauri-apps/tauri/issues/6541
+    await button.waitForClickable()
+    await browser.execute('arguments[0].click();', button)
+    // TODO: handle auth
+  })
+})
--- a/package.json
+++ b/package.json
@ -1,33 +1,33 @@
 {
  "name": "untitled-app",
-  "version": "0.11.0",
+  "version": "0.11.3",
  "private": true,
  "dependencies": {
-    "@codemirror/autocomplete": "^6.9.0",
+    "@codemirror/autocomplete": "^6.10.2",
    "@fortawesome/fontawesome-svg-core": "^6.4.2",
    "@fortawesome/free-brands-svg-icons": "^6.4.2",
    "@fortawesome/free-solid-svg-icons": "^6.4.2",
    "@fortawesome/react-fontawesome": "^0.2.0",
    "@headlessui/react": "^1.7.13",
    "@headlessui/tailwindcss": "^0.2.0",
-    "@kittycad/lib": "^0.0.43",
+    "@kittycad/lib": "^0.0.45",
    "@lezer/javascript": "^1.4.7",
    "@open-rpc/client-js": "^1.8.1",
    "@react-hook/resize-observer": "^1.2.6",
    "@replit/codemirror-interact": "^6.3.0",
-    "@sentry/react": "^7.65.0",
-    "@tauri-apps/api": "^1.5.0",
+    "@sentry/react": "^7.77.0",
+    "@tauri-apps/api": "^1.5.1",
    "@testing-library/jest-dom": "^5.14.1",
-    "@testing-library/react": "^13.0.0",
-    "@testing-library/user-event": "^13.2.1",
+    "@testing-library/react": "^14.0.0",
+    "@testing-library/user-event": "^14.5.1",
    "@ts-stack/markdown": "^1.5.0",
    "@types/node": "^16.7.13",
    "@types/react": "^18.0.0",
    "@types/react-dom": "^18.0.0",
-    "@uiw/react-codemirror": "^4.21.13",
+    "@uiw/react-codemirror": "^4.21.20",
    "@xstate/inspect": "^0.8.0",
    "@xstate/react": "^3.2.2",
-    "crypto-js": "^4.1.1",
+    "crypto-js": "^4.2.0",
    "debounce-promise": "^3.1.2",
    "formik": "^2.4.3",
    "fuse.js": "^6.6.2",
@ -43,20 +43,20 @@
    "react-modal-promise": "^1.0.2",
    "react-router-dom": "^6.14.2",
    "sketch-helpers": "^0.0.4",
-    "swr": "^2.0.4",
+    "swr": "^2.2.2",
    "tauri-plugin-fs-extra-api": "https://github.com/tauri-apps/tauri-plugin-fs-extra#v1",
    "toml": "^3.0.0",
    "ts-node": "^10.9.1",
-    "typescript": "^4.4.2",
-    "uuid": "^9.0.0",
+    "typescript": "^5.2.2",
+    "uuid": "^9.0.1",
    "vitest": "^0.34.6",
    "vscode-jsonrpc": "^8.1.0",
-    "vscode-languageserver-protocol": "^3.17.3",
+    "vscode-languageserver-protocol": "^3.17.5",
    "wasm-pack": "^0.12.1",
-    "web-vitals": "^2.1.0",
+    "web-vitals": "^3.5.0",
    "ws": "^8.13.0",
    "xstate": "^4.38.2",
-    "zustand": "^4.1.4"
+    "zustand": "^4.4.5"
  },
  "scripts": {
    "start": "vite",
@ -69,6 +69,7 @@
    "test:nowatch": "vitest run --mode development",
    "test:rust": "(cd src/wasm-lib && cargo test --all && cargo clippy --all --tests --benches)",
    "test:cov": "vitest run --coverage --mode development",
+    "test:e2e": "wdio run wdio.conf.js",
    "simpleserver:ci": "yarn pretest && http-server ./public --cors -p 3000 &",
    "simpleserver": "yarn pretest && http-server ./public --cors -p 3000",
    "fmt": "prettier --write ./src",
@ -102,18 +103,18 @@
  "devDependencies": {
    "@babel/plugin-proposal-private-property-in-object": "^7.21.11",
    "@babel/preset-env": "^7.22.9",
-    "@tauri-apps/cli": "^1.5.0",
+    "@tauri-apps/cli": "^1.5.6",
    "@types/crypto-js": "^4.1.1",
-    "@types/debounce-promise": "^3.1.6",
+    "@types/debounce-promise": "^3.1.8",
    "@types/isomorphic-fetch": "^0.0.36",
    "@types/react-modal": "^3.16.0",
-    "@types/uuid": "^9.0.1",
+    "@types/uuid": "^9.0.4",
    "@types/wicg-file-system-access": "^2020.9.6",
    "@types/ws": "^8.5.5",
    "@vitejs/plugin-react": "^4.0.3",
    "@vitest/coverage-istanbul": "^0.34.1",
    "autoprefixer": "^10.4.13",
-    "eslint": "^8.44.0",
+    "eslint": "^8.53.0",
    "eslint-config-react-app": "^7.0.1",
    "eslint-plugin-css-modules": "^2.11.0",
    "happy-dom": "^10.8.0",
@ -122,9 +123,13 @@
    "prettier": "^2.8.0",
    "setimmediate": "^1.0.5",
    "tailwindcss": "^3.2.4",
-    "vite": "^4.4.3",
+    "vite": "^4.5.0",
    "vite-plugin-eslint": "^1.8.1",
-    "vite-tsconfig-paths": "^4.2.0",
-    "yarn": "^1.22.19"
+    "vite-tsconfig-paths": "^4.2.1",
+    "yarn": "^1.22.19",
+    "@wdio/cli": "^7.7.3",
+    "@wdio/local-runner": "^7.7.3",
+    "@wdio/mocha-framework": "^7.7.3",
+    "@wdio/spec-reporter": "^7.7.3"
  }
 }
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@ -122,6 +122,12 @@ dependencies = [
 "system-deps 6.1.0",
 ]

+[[package]]
+name = "atomic"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59bdb34bc650a32731b31bd8f0829cc15d24a708ee31559e0bb34f2bc320cba"
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@ -1567,7 +1573,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cb0889898416213fab133e1d33a0e5858a48177452750691bde3666d0fdbaf8b"
 dependencies = [
 "hermit-abi 0.3.1",
- "rustix 0.38.13",
+ "rustix 0.38.21",
 "windows-sys 0.48.0",
 ]

@ -1658,9 +1664,9 @@ dependencies = [

 [[package]]
 name = "kittycad"
-version = "0.2.33"
+version = "0.2.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d341a81a4dfef43460d395c87d86c17e24affb96db0e7f4a35e8688f0e092344"
+checksum = "874914cd40bfd43674406683bb3f0924d41780698a4ade96f2e180a73678bdd1"
 dependencies = [
 "anyhow",
 "async-trait",
@ -1759,9 +1765,9 @@ checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"

 [[package]]
 name = "linux-raw-sys"
-version = "0.4.7"
+version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a9bad9f94746442c783ca431b22403b519cd7fbeed0533fdd6328b2f2212128"
+checksum = "da2479e8c062e40bf0066ffa0bc823de0a9368974af99c9f6df941d2c231e03f"

 [[package]]
 name = "lock_api"
@ -2833,9 +2839,9 @@ checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"

 [[package]]
 name = "reqwest"
-version = "0.11.20"
+version = "0.11.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e9ad3fe7488d7e34558a2033d45a0c90b72d97b4f80705666fea71472e2e6a1"
+checksum = "046cd98826c46c2ac8ddecae268eb5c2e58628688a5fc7a2643704a73faba95b"
 dependencies = [
 "base64 0.21.2",
 "bytes",
@ -2862,6 +2868,7 @@ dependencies = [
 "serde",
 "serde_json",
 "serde_urlencoded",
+ "system-configuration",
 "tokio",
 "tokio-native-tls",
 "tokio-rustls",
@ -3011,9 +3018,9 @@ dependencies = [

 [[package]]
 name = "rustix"
-version = "0.37.19"
+version = "0.37.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acf8729d8542766f1b2cf77eb034d52f40d375bb8b615d0b147089946e16613d"
+checksum = "fea8ca367a3a01fe35e6943c400addf443c0f57670e6ec51196f71a4b8762dd2"
 dependencies = [
 "bitflags 1.3.2",
 "errno",
@ -3025,14 +3032,14 @@ dependencies = [

 [[package]]
 name = "rustix"
-version = "0.38.13"
+version = "0.38.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7db8590df6dfcd144d22afd1b83b36c21a18d7cbc1dc4bb5295a8712e9eb662"
+checksum = "2b426b0506e5d50a7d8dafcf2e81471400deb602392c7dd110815afb4eaf02a3"
 dependencies = [
 "bitflags 2.4.0",
 "errno",
 "libc",
- "linux-raw-sys 0.4.7",
+ "linux-raw-sys 0.4.10",
 "windows-sys 0.48.0",
 ]

@ -3208,9 +3215,9 @@ dependencies = [

 [[package]]
 name = "serde"
-version = "1.0.189"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
+checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
 dependencies = [
 "serde_derive",
 ]
@ -3226,9 +3233,9 @@ dependencies = [

 [[package]]
 name = "serde_derive"
-version = "1.0.189"
+version = "1.0.192"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
+checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
 dependencies = [
 "proc-macro2",
 "quote",
@ -3248,9 +3255,9 @@ dependencies = [

 [[package]]
 name = "serde_json"
-version = "1.0.107"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b420ce6e3d8bd882e9b243c6eed35dbc9a6110c9769e74b584e0d68d1f20c65"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
 "itoa 1.0.6",
 "ryu",
@ -3600,6 +3607,27 @@ dependencies = [
 "windows-sys 0.45.0",
 ]

+[[package]]
+name = "system-configuration"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba3a3adc5c275d719af8cb4272ea1c4a6d668a777f37e115f6d11ddbc1c8e0e7"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "system-configuration-sys",
+]
+
+[[package]]
+name = "system-configuration-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75fb188eb626b924683e3b95e3a48e63551fcfb51949de2f06a9d91dbee93c9"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "system-deps"
 version = "5.0.0"
@ -3828,7 +3856,7 @@ dependencies = [
 [[package]]
 name = "tauri-plugin-fs-extra"
 version = "0.0.0"
-source = "git+https://github.com/tauri-apps/plugins-workspace?branch=v1#9b20f28d747f6ec3ba5a80bfcd5edc1d573b4c90"
+source = "git+https://github.com/tauri-apps/plugins-workspace?branch=v1#6865299149ffd183365e3ff291acf3edac78ca61"
 dependencies = [
 "log",
 "serde",
@ -3927,7 +3955,7 @@ dependencies = [
 "cfg-if",
 "fastrand",
 "redox_syscall 0.3.5",
- "rustix 0.37.19",
+ "rustix 0.37.27",
 "windows-sys 0.45.0",
 ]

@ -4292,6 +4320,7 @@ version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "345444e32442451b267fc254ae85a209c64be56d2890e601a0c37ff0c3c5ecd2"
 dependencies = [
+ "atomic",
 "getrandom 0.2.9",
 "serde",
 ]
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@ -4,7 +4,7 @@ version = "0.1.0"
 description = "A Tauri App"
 authors = ["you"]
 license = ""
-repository = ""
+repository = "https://github.com/KittyCAD/modeling-app"
 default-run = "app"
 edition = "2021"
 rust-version = "1.60"
@ -16,7 +16,7 @@ tauri-build = { version = "1.5.0", features = [] }

 [dependencies]
 anyhow = "1"
-kittycad = "0.2.33"
+kittycad = "0.2.41"
 oauth2 = "4.4.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@ -68,7 +68,7 @@ async fn login(app: tauri::AppHandle, host: &str) -> Result<String, InvokeError>
    };

    // Open the system browser with the auth_uri.
-    // We do this in the browser and not a seperate window because we want 1password and
+    // We do this in the browser and not a separate window because we want 1password and
    // other crap to work well.
    tauri::api::shell::open(&app.shell_scope(), auth_uri.secret(), None)
        .map_err(|e| InvokeError::from_anyhow(e.into()))?;
@ -129,10 +129,10 @@ async fn get_user(

 fn main() {
    tauri::Builder::default()
-        .setup(|app| {
+        .setup(|_app| {
            #[cfg(debug_assertions)] // only include this code on debug builds
            {
-                let window = app.get_window("main").unwrap();
+                let window = _app.get_window("main").unwrap();
                // comment out the below if you don't devtools to open everytime.
                // it's useful because otherwise devtools shuts everytime rust code changes.
                window.open_devtools();
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@ -8,7 +8,7 @@
  },
  "package": {
    "productName": "kittycad-modeling",
-    "version": "0.11.0"
+    "version": "0.11.3"
  },
  "tauri": {
    "allowlist": {
@ -72,23 +72,13 @@
      },
      "resources": [],
      "shortDescription": "",
-      "targets": "all",
-      "windows": {
-        "certificateThumbprint": "F4C9A52FF7BC26EE5E054946F6B11DEEA94C748D",
-        "digestAlgorithm": "sha256",
-        "timestampUrl": "http://timestamp.digicert.com"
-      }
+      "targets": "all"
    },
    "security": {
      "csp": null
    },
    "updater": {
-      "active": true,
-      "endpoints": [
-        "https://dl.kittycad.io/releases/modeling-app/last_update.json"
-      ],
-      "dialog": true,
-      "pubkey": "dW50cnVzdGVkIGNvbW1lbnQ6IG1pbmlzaWduIHB1YmxpYyBrZXk6IEUzNzA4MjBEQjFBRTY4NzYKUldSMmFLNnhEWUp3NCtsT21Jd05wQktOaGVkOVp6MUFma0hNTDRDSnI2RkJJTEZOWG1ncFhqcU8K"
+      "active": false
    },
    "windows": [
      {
--- a/src-tauri/tauri.macos.conf.json
+++ b/src-tauri/tauri.macos.conf.json
@ -1,7 +1,6 @@
-
 {
  "$schema": "../node_modules/@tauri-apps/cli/schema.json",
  "package": {
    "productName": "KittyCAD Modeling"
  }
-}
+}
--- a/src-tauri/tauri.release.conf.json
+++ b/src-tauri/tauri.release.conf.json
@ -0,0 +1,21 @@
+{
+  "$schema": "../node_modules/@tauri-apps/cli/schema.json",
+  "tauri": {
+    "updater": {
+      "active": true,
+      "endpoints": [
+        "https://dl.kittycad.io/releases/modeling-app/last_update.json"
+      ],
+      "dialog": true,
+      "pubkey": "dW50cnVzdGVkIGNvbW1lbnQ6IG1pbmlzaWduIHB1YmxpYyBrZXk6IEUzNzA4MjBEQjFBRTY4NzYKUldSMmFLNnhEWUp3NCtsT21Jd05wQktOaGVkOVp6MUFma0hNTDRDSnI2RkJJTEZOWG1ncFhqcU8K"
+    },
+    "bundle": {
+      "identifier": "io.kittycad.modeling-app",
+      "windows": {
+        "certificateThumbprint": "F4C9A52FF7BC26EE5E054946F6B11DEEA94C748D",
+        "digestAlgorithm": "sha256",
+        "timestampUrl": "http://timestamp.digicert.com"
+      }
+    }
+  }
+}
--- a/src-tauri/tauri.windows.conf.json
+++ b/src-tauri/tauri.windows.conf.json
@ -1,7 +1,6 @@
-
 {
  "$schema": "../node_modules/@tauri-apps/cli/schema.json",
  "package": {
    "productName": "KittyCAD Modeling"
  }
-}
+}
--- a/src/App.tsx
+++ b/src/App.tsx
@ -1,4 +1,4 @@
-import { useEffect, useCallback, MouseEventHandler } from 'react'
+import { useCallback, MouseEventHandler } from 'react'
 import { DebugPanel } from './components/DebugPanel'
 import { v4 as uuidv4 } from 'uuid'
 import { PaneType, useStore } from './useStore'
@ -19,7 +19,6 @@ import {
 } from '@fortawesome/free-solid-svg-icons'
 import { useHotkeys } from 'react-hotkeys-hook'
 import { getNormalisedCoordinates } from './lib/utils'
-import { isTauri } from './lib/isTauri'
 import { useLoaderData } from 'react-router-dom'
 import { IndexLoaderData } from './Router'
 import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
@ -31,11 +30,10 @@ import { TextEditor } from 'components/TextEditor'
 import { Themes, getSystemTheme } from 'lib/theme'
 import { useEngineConnectionSubscriptions } from 'hooks/useEngineConnectionSubscriptions'
 import { engineCommandManager } from './lang/std/engineConnection'
-import { kclManager } from 'lang/KclSinglton'
 import { useModelingContext } from 'hooks/useModelingContext'

 export function App() {
-  const { code: loadedCode, project, file } = useLoaderData() as IndexLoaderData
+  const { project, file } = useLoaderData() as IndexLoaderData

  useHotKeyListener()
  const {
@ -82,26 +80,6 @@ export function App() {
    ? 'opacity-40'
    : ''

-  // Use file code loaded from disk
-  // on mount, and overwrite any locally-stored code
-  useEffect(() => {
-    if (isTauri() && loadedCode !== null) {
-      if (kclManager.engineCommandManager.engineConnection?.isReady()) {
-        // If the engine is ready, promptly execute the loaded code
-        kclManager.setCodeAndExecute(loadedCode)
-      } else {
-        // Otherwise, just set the code and wait for the connection to complete
-        kclManager.setCode(loadedCode)
-      }
-    }
-    return () => {
-      // Clear code on unmount if in desktop app
-      if (isTauri()) {
-        kclManager.setCode('')
-      }
-    }
-  }, [loadedCode])
-
  useEngineConnectionSubscriptions()

  const debounceSocketSend = throttle<EngineCommand>((message) => {
@ -248,7 +226,7 @@ export function App() {
      <Stream className="absolute inset-0 z-0" />
      {showDebugPanel && (
        <DebugPanel
-          title="Debug"
+          title="Debug (AST Explorer)"
          className={
            'transition-opacity transition-duration-75 ' +
            paneOpacity +
--- a/src/Router.tsx
+++ b/src/Router.tsx
@ -42,7 +42,7 @@ import CommandBarProvider from 'components/CommandBar'
 import { TEST, VITE_KC_SENTRY_DSN } from './env'
 import * as Sentry from '@sentry/react'
 import ModelingMachineProvider from 'components/ModelingMachineProvider'
-import { KclContextProvider } from 'lang/KclSinglton'
+import { KclContextProvider, kclManager } from 'lang/KclSinglton'
 import FileMachineProvider from 'components/FileMachineProvider'
 import { sep } from '@tauri-apps/api/path'

@ -207,6 +207,7 @@ const router = createBrowserRouter(
            projectPath + sep + PROJECT_ENTRYPOINT
          )
          const children = await readDir(projectPath, { recursive: true })
+          kclManager.setCodeAndExecute(code, false)

          return {
            code,
--- a/src/Toolbar.tsx
+++ b/src/Toolbar.tsx
@ -1,4 +1,3 @@
-import { ToolTip } from './useStore'
 import { Fragment, WheelEvent, useRef, useMemo } from 'react'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 import { faSearch, faX } from '@fortawesome/free-solid-svg-icons'
@ -15,23 +14,6 @@ export const sketchButtonClassnames = {
  icon: 'text-fern-20 h-auto group-hover:text-fern-10 hover:text-fern-10 dark:text-chalkboard-100 dark:group-hover:text-chalkboard-100 dark:hover:text-chalkboard-100 group-disabled:bg-chalkboard-60 hover:group-disabled:text-inherit',
 }

-const sketchFnLabels: Record<ToolTip | 'sketch_line' | 'move', string> = {
-  sketch_line: 'Line',
-  line: 'Line',
-  move: 'Move',
-  angledLine: 'Angled Line',
-  angledLineThatIntersects: 'Angled Line That Intersects',
-  angledLineOfXLength: 'Angled Line Of X Length',
-  angledLineOfYLength: 'Angled Line Of Y Length',
-  angledLineToX: 'Angled Line To X',
-  angledLineToY: 'Angled Line To Y',
-  lineTo: 'Line to Point',
-  xLine: 'Horizontal Line',
-  yLine: 'Vertical Line',
-  xLineTo: 'Horizontal Line to Point',
-  yLineTo: 'Vertical Line to Point',
-}
-
 export const Toolbar = () => {
  const { state, send, context } = useModelingContext()
  const toolbarButtonsRef = useRef<HTMLSpanElement>(null)
--- a/src/components/AstExplorer.tsx
+++ b/src/components/AstExplorer.tsx
@ -184,6 +184,7 @@ function DisplayObj({
                  </li>
                )
              }
+              return null
            })}
          </ul>
        </span>
--- a/src/components/AvailableVarsHelpers.tsx
+++ b/src/components/AvailableVarsHelpers.tsx
@ -1,5 +1,5 @@
 import { useEffect, useState, useRef } from 'react'
-import { parse, BinaryPart, Value, executor } from '../lang/wasm'
+import { parse, BinaryPart, Value } from '../lang/wasm'
 import {
  createIdentifier,
  createLiteral,
@ -10,6 +10,7 @@ import { findAllPreviousVariables, PrevVariable } from '../lang/queryAst'
 import { engineCommandManager } from '../lang/std/engineConnection'
 import { kclManager, useKclContext } from 'lang/KclSinglton'
 import { useModelingContext } from 'hooks/useModelingContext'
+import { executeAst } from 'useStore'

 export const AvailableVars = ({
  onVarClick,
@ -130,27 +131,29 @@ export function useCalc({
    if (!programMemory || !selectionRange) return
    const varInfo = findAllPreviousVariables(
      kclManager.ast,
-      programMemory,
+      kclManager.programMemory,
      selectionRange
    )
    setAvailableVarInfo(varInfo)
-  }, [kclManager.ast, programMemory, selectionRange])
+  }, [kclManager.ast, kclManager.programMemory, selectionRange])

  useEffect(() => {
    try {
-      const code = `const __result__ = ${value}\nshow(__result__)`
+      const code = `const __result__ = ${value}`
      const ast = parse(code)
      const _programMem: any = { root: {}, return: null }
      availableVarInfo.variables.forEach(({ key, value }) => {
        _programMem.root[key] = { type: 'userVal', value, __meta: [] }
      })
-
-      executor(
+      executeAst({
        ast,
-        _programMem,
        engineCommandManager,
-        kclManager.defaultPlanes
-      ).then((programMemory) => {
+        defaultPlanes: kclManager.defaultPlanes,
+        useFakeExecutor: true,
+        programMemoryOverride: JSON.parse(
+          JSON.stringify(kclManager.programMemory)
+        ),
+      }).then(({ programMemory }) => {
        const resultDeclaration = ast.body.find(
          (a) =>
            a.type === 'VariableDeclaration' &&
@ -167,7 +170,7 @@ export function useCalc({
      setCalcResult('NAN')
      setValueNode(null)
    }
-  }, [value])
+  }, [value, availableVarInfo])

  return {
    valueNode,
@ -212,7 +215,10 @@ export const CreateNewVariable = ({
 }) => {
  return (
    <>
-      <label htmlFor="create-new-variable" className="block mt-3 font-mono">
+      <label
+        htmlFor="create-new-variable"
+        className="block mt-3 font-mono text-gray-900"
+      >
        Create new variable
      </label>
      <div className="mt-1 flex gap-2 items-center">
@ -223,6 +229,7 @@ export const CreateNewVariable = ({
            onChange={(e) => {
              setShouldCreateVariable(e.target.checked)
            }}
+            className="bg-white text-gray-900"
          />
        )}
        <input
--- a/src/components/DebugPanel.tsx
+++ b/src/components/DebugPanel.tsx
@ -1,29 +1,7 @@
 import { CollapsiblePanel, CollapsiblePanelProps } from './CollapsiblePanel'
-import { v4 as uuidv4 } from 'uuid'
-import { EngineCommand } from '../lang/std/engineConnection'
-import { useState } from 'react'
-import { ActionButton } from '../components/ActionButton'
-import { faCheck } from '@fortawesome/free-solid-svg-icons'
-import { isReducedMotion } from 'lang/util'
 import { AstExplorer } from './AstExplorer'
-import { engineCommandManager } from '../lang/std/engineConnection'
-
-type SketchModeCmd = Extract<
-  Extract<EngineCommand, { type: 'modeling_cmd_req' }>['cmd'],
-  { type: 'default_camera_enable_sketch_mode' }
->

 export const DebugPanel = ({ className, ...props }: CollapsiblePanelProps) => {
-  const [sketchModeCmd, setSketchModeCmd] = useState<SketchModeCmd>({
-    type: 'default_camera_enable_sketch_mode',
-    origin: { x: 0, y: 0, z: 0 },
-    x_axis: { x: 1, y: 0, z: 0 },
-    y_axis: { x: 0, y: 1, z: 0 },
-    distance_to_plane: 100,
-    ortho: true,
-    animated: !isReducedMotion(),
-  })
-  if (!sketchModeCmd) return null
  return (
    <CollapsiblePanel
      {...props}
@ -34,67 +12,6 @@ export const DebugPanel = ({ className, ...props }: CollapsiblePanelProps) => {
      style={{ maxHeight: 'calc(100% - 3rem - 1.25rem - 1.25rem)' }}
    >
      <section className="p-4 flex flex-col gap-4">
-        <Xyz
-          onChange={setSketchModeCmd}
-          pointKey="origin"
-          data={sketchModeCmd}
-        />
-        <Xyz
-          onChange={setSketchModeCmd}
-          pointKey="x_axis"
-          data={sketchModeCmd}
-        />
-        <Xyz
-          onChange={setSketchModeCmd}
-          pointKey="y_axis"
-          data={sketchModeCmd}
-        />
-        <div className="flex">
-          <div className="pr-4">distance_to_plane</div>
-          <input
-            className="w-16 dark:bg-chalkboard-90"
-            type="number"
-            value={sketchModeCmd.distance_to_plane}
-            onChange={({ target }) => {
-              setSketchModeCmd({
-                ...sketchModeCmd,
-                distance_to_plane: Number(target.value),
-              })
-            }}
-          />
-          <div className="pr-4">ortho</div>
-          <input
-            className="w-16"
-            type="checkbox"
-            checked={sketchModeCmd.ortho}
-            onChange={(a) =>
-              setSketchModeCmd({
-                ...sketchModeCmd,
-                ortho: a.target.checked,
-              })
-            }
-          />
-        </div>
-        <ActionButton
-          Element="button"
-          onClick={() => {
-            engineCommandManager.sendSceneCommand({
-              type: 'modeling_cmd_req',
-              cmd: sketchModeCmd,
-              cmd_id: uuidv4(),
-            })
-          }}
-          className="hover:border-succeed-50"
-          icon={{
-            icon: faCheck,
-            bgClassName:
-              'bg-succeed-80 group-hover:bg-succeed-70 hover:bg-succeed-70',
-            iconClassName:
-              'text-succeed-20 group-hover:text-succeed-10 hover:text-succeed-10',
-          }}
-        >
-          Send sketch mode command
-        </ActionButton>
        <div style={{ height: '400px' }} className="overflow-y-auto">
          <AstExplorer />
        </div>
@ -102,41 +19,3 @@ export const DebugPanel = ({ className, ...props }: CollapsiblePanelProps) => {
    </CollapsiblePanel>
  )
 }
-
-const Xyz = ({
-  pointKey,
-  data,
-  onChange,
-}: {
-  pointKey: 'origin' | 'y_axis' | 'x_axis'
-  data: SketchModeCmd
-  onChange: (a: SketchModeCmd) => void
-}) => {
-  if (!data) return null
-  return (
-    <div className="flex">
-      <div className="pr-4">{pointKey}</div>
-      {Object.entries(data[pointKey]).map(([axis, val]) => {
-        return (
-          <div key={axis} className="flex">
-            <div className="w-4">{axis}</div>
-            <input
-              className="w-16 dark:bg-chalkboard-90"
-              type="number"
-              value={val}
-              onChange={({ target }) => {
-                onChange({
-                  ...data,
-                  [pointKey]: {
-                    ...data[pointKey],
-                    [axis]: Number(target.value),
-                  },
-                })
-              }}
-            />
-          </div>
-        )
-      })}
-    </div>
-  )
-}
--- a/src/components/FileTree.tsx
+++ b/src/components/FileTree.tsx
@ -2,7 +2,7 @@ import { IndexLoaderData, paths } from 'Router'
 import { ActionButton } from './ActionButton'
 import Tooltip from './Tooltip'
 import { FileEntry } from '@tauri-apps/api/fs'
-import { Dispatch, useEffect, useRef, useState } from 'react'
+import { Dispatch, useRef, useState } from 'react'
 import { useNavigate } from 'react-router-dom'
 import { Dialog, Disclosure } from '@headlessui/react'
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
@ -163,7 +163,6 @@ const FileTreeItem = ({

  function openFile() {
    if (fileOrDir.children !== undefined) return // Don't open directories
-    kclManager.setCode('')
    navigate(`${paths.FILE}/${encodeURIComponent(fileOrDir.path)}`)
    closePanel()
  }
--- a/src/components/ModelingMachineProvider.tsx
+++ b/src/components/ModelingMachineProvider.tsx
@ -20,7 +20,6 @@ import {
  recast,
  parse,
  Program,
-  VariableDeclarator,
  PipeExpression,
  CallExpression,
 } from 'lang/wasm'
@ -148,7 +147,7 @@ export const ModelingMachineProvider = ({
            engineCommandManager.artifactMap[sketchEnginePathId] = {
              type: 'result',
              range: [startProfileAtCallExp.start, startProfileAtCallExp.end],
-              commandType: 'extend_path',
+              commandType: 'start_path',
              data: null,
              raw: {} as any,
            }
--- a/src/components/SetAngleLengthModal.tsx
+++ b/src/components/SetAngleLengthModal.tsx
@ -108,7 +108,7 @@ export const SetAngleLengthModal = ({
                </label>
                <div className="mt-1 flex">
                  <button
-                    className="border border-gray-300 px-2"
+                    className="border border-gray-300 px-2 text-gray-900"
                    onClick={() => setSign(-sign)}
                  >
                    {sign > 0 ? '+' : '-'}
@ -118,7 +118,7 @@ export const SetAngleLengthModal = ({
                    type="text"
                    name="val"
                    id="val"
-                    className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md font-mono pl-1"
+                    className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md font-mono pl-1 text-gray-900"
                    value={value}
                    onChange={(e) => {
                      setValue(e.target.value)
--- a/src/components/SetHorVertDistanceModal.tsx
+++ b/src/components/SetHorVertDistanceModal.tsx
@ -87,7 +87,7 @@ export const GetInfoModal = ({
              leaveFrom="opacity-100 scale-100"
              leaveTo="opacity-0 scale-95"
            >
-              <Dialog.Panel className="w-full max-w-md transform overflow-hidden rounded-2xl bg-white p-6 text-left align-middle shadow-xl transition-all">
+              <Dialog.Panel className="w-full max-w-md transform overflow-hidden rounded-2xl bg-white/90 p-6 text-left align-middle shadow-xl transition-all">
                <Dialog.Title
                  as="h3"
                  className="text-lg font-medium leading-6 text-gray-900"
@ -109,7 +109,7 @@ export const GetInfoModal = ({
                </label>
                <div className="mt-1 flex">
                  <button
-                    className="border border-gray-300 px-2 mr-1"
+                    className="border border-gray-400 px-2 mr-1 text-gray-900"
                    onClick={() => setSign(-sign)}
                  >
                    {sign > 0 ? '+' : '-'}
@ -119,7 +119,7 @@ export const GetInfoModal = ({
                    name="val"
                    id="val"
                    ref={inputRef}
-                    className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md font-mono"
+                    className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm text-gray-900 border-gray-300 rounded-md font-mono"
                    value={value}
                    onChange={(e) => {
                      setValue(e.target.value)
@ -139,7 +139,7 @@ export const GetInfoModal = ({
                    name="segName"
                    id="segName"
                    disabled={!isSegNameEditable}
-                    className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm border-gray-300 rounded-md font-mono"
+                    className="shadow-sm focus:ring-blue-500 focus:border-blue-500 block w-full sm:text-sm text-gray-900 border-gray-300 rounded-md font-mono"
                    value={segName}
                    onChange={(e) => {
                      setSegName(e.target.value)
--- a/src/components/Stream.tsx
+++ b/src/components/Stream.tsx
@ -14,7 +14,7 @@ import { useGlobalStateContext } from 'hooks/useGlobalStateContext'
 import { CameraDragInteractionType_type } from '@kittycad/lib/dist/types/src/models'
 import { Models } from '@kittycad/lib'
 import { getNodeFromPath } from 'lang/queryAst'
-import { VariableDeclarator, recast, parse, CallExpression } from 'lang/wasm'
+import { VariableDeclarator, recast, CallExpression } from 'lang/wasm'
 import { engineCommandManager } from '../lang/std/engineConnection'
 import { useModelingContext } from 'hooks/useModelingContext'
 import { kclManager, useKclContext } from 'lang/KclSinglton'
@ -267,11 +267,11 @@ export const Stream = ({ className = '' }) => {
      }
      engineCommandManager.sendSceneCommand(command).then(async () => {
        if (!context.sketchPathToNode) return
-        const varDec = getNodeFromPath<VariableDeclarator>(
+        getNodeFromPath<VariableDeclarator>(
          kclManager.ast,
          context.sketchPathToNode,
          'VariableDeclarator'
-        ).node
+        )
        // Get the current plane string for plane we are on.
        let currentPlaneString = ''
        if (context.sketchPlaneId === kclManager.getPlaneId('xy')) {
@ -342,7 +342,8 @@ export const Stream = ({ className = '' }) => {

          // update artifact map ranges now that we have updated the ast.
          code = recast(modded.modifiedAst)
-          const astWithCurrentRanges = parse(code)
+          const astWithCurrentRanges = kclManager.safeParse(code)
+          if (!astWithCurrentRanges) return
          const updateNode = getNodeFromPath<CallExpression>(
            astWithCurrentRanges,
            modded.pathToNode
--- a/src/components/TextEditor.tsx
+++ b/src/components/TextEditor.tsx
@ -17,15 +17,7 @@ import { useStore } from 'useStore'
 import { processCodeMirrorRanges } from 'lib/selections'
 import { LanguageServerClient } from 'editor/lsp'
 import kclLanguage from 'editor/lsp/language'
-import { isTauri } from 'lib/isTauri'
-import { useParams } from 'react-router-dom'
-import { writeTextFile } from '@tauri-apps/api/fs'
-import { toast } from 'react-hot-toast'
-import {
-  EditorView,
-  addLineHighlight,
-  lineHighlightField,
-} from 'editor/highlightextension'
+import { EditorView, lineHighlightField } from 'editor/highlightextension'
 import { roundOff } from 'lib/utils'
 import { kclErrToDiagnostic } from 'lang/errors'
 import { CSSRuleObject } from 'tailwindcss/types/config'
@ -50,7 +42,6 @@ export const TextEditor = ({
 }: {
  theme: Themes.Light | Themes.Dark
 }) => {
-  const pathParams = useParams()
  const { editorView, isLSPServerReady, setEditorView, setIsLSPServerReady } =
    useStore((s) => ({
      editorView: s.editorView,
@ -92,7 +83,7 @@ export const TextEditor = ({
  // Here we initialize the plugin which will start the client.
  // When we have multi-file support the name of the file will be a dep of
  // this use memo, as well as the directory structure, which I think is
-  // a good setup becuase it will restart the client but not the server :)
+  // a good setup because it will restart the client but not the server :)
  // We do not want to restart the server, its just wasteful.
  const kclLSP = useMemo(() => {
    let plugin = null
@ -113,18 +104,6 @@ export const TextEditor = ({
  // const onChange = React.useCallback((value: string, viewUpdate: ViewUpdate) => {
  const onChange = (newCode: string) => {
    kclManager.setCodeAndExecute(newCode)
-    if (isTauri() && pathParams.id) {
-      // Save the file to disk
-      // Note that PROJECT_ENTRYPOINT is hardcoded until we support multiple files
-      writeTextFile(pathParams.id, newCode).catch((err) => {
-        // TODO: add Sentry per GH issue #254 (https://github.com/KittyCAD/modeling-app/issues/254)
-        console.error('error saving file', err)
-        toast.error('Error saving file, please check file permissions')
-      })
-    }
-    if (editorView) {
-      editorView?.dispatch({ effects: addLineHighlight.of([0, 0]) })
-    }
  } //, []);
  const onUpdate = (viewUpdate: ViewUpdate) => {
    if (!editorView) {
--- a/src/components/Toolbar/EqualLength.tsx
+++ b/src/components/Toolbar/EqualLength.tsx
@ -69,7 +69,7 @@ export function applyConstraintEqualLength({
  modifiedAst: Program
  pathToNodeMap: PathToNodeMap
 } {
-  const { enabled, transforms } = setEqualLengthInfo({ selectionRanges })
+  const { transforms } = setEqualLengthInfo({ selectionRanges })
  const { modifiedAst, pathToNodeMap } = transformSecondarySketchLinesTagFirst({
    ast: kclManager.ast,
    selectionRanges,
--- a/src/editor/lsp/client.ts
+++ b/src/editor/lsp/client.ts
@ -108,6 +108,7 @@ export default class Client extends jsrpc.JSONRPCServerAndClient {
          break
        }
      }
+      // eslint-disable-next-line @typescript-eslint/no-unused-vars
      messageString += message
      return
    })
--- a/src/editor/lsp/codec.ts
+++ b/src/editor/lsp/codec.ts
@ -26,7 +26,7 @@ export class Codec {
  }
 }

-// FIXME: tracing effiency
+// FIXME: tracing efficiency
 export class IntoServer
  extends Queue<Uint8Array>
  implements AsyncGenerator<Uint8Array, never, void>
--- a/src/hooks/useEngineConnectionSubscriptions.ts
+++ b/src/hooks/useEngineConnectionSubscriptions.ts
@ -2,8 +2,6 @@ import { useEffect } from 'react'
 import { useStore } from 'useStore'
 import { engineCommandManager } from '../lang/std/engineConnection'
 import { useModelingContext } from './useModelingContext'
-import { v4 as uuidv4 } from 'uuid'
-import { SourceRange } from 'lang/wasm'
 import { getEventForSelectWithPoint } from 'lib/selections'

 export function useEngineConnectionSubscriptions() {
@ -13,11 +11,6 @@ export function useEngineConnectionSubscriptions() {
  }))
  const { send, context } = useModelingContext()

-  interface RangeAndId {
-    id: string
-    range: SourceRange
-  }
-
  useEffect(() => {
    if (!engineCommandManager) return

@ -42,7 +35,7 @@ export function useEngineConnectionSubscriptions() {
        const event = await getEventForSelectWithPoint(engineEvent, {
          sketchEnginePathId: context.sketchEnginePathId,
        })
-        send(event)
+        event && send(event)
      },
    })
    return () => {
--- a/src/hooks/useSetupEngineManager.ts
+++ b/src/hooks/useSetupEngineManager.ts
@ -1,5 +1,5 @@
 import { useLayoutEffect, useEffect, useRef } from 'react'
-import { _executor, parse } from '../lang/wasm'
+import { parse } from '../lang/wasm'
 import { useStore } from '../useStore'
 import { engineCommandManager } from '../lang/std/engineConnection'
 import { deferExecution } from 'lib/utils'
@ -26,10 +26,6 @@ export function useSetupEngineManager(

  const hasSetNonZeroDimensions = useRef<boolean>(false)

-  useEffect(() => {
-    kclManager.executeCode()
-  }, [])
-
  useLayoutEffect(() => {
    // Load the engine command manager once with the initial width and height,
    // then we do not want to reload it.
--- a/src/lang/KclSinglton.tsx
+++ b/src/lang/KclSinglton.tsx
@ -18,7 +18,11 @@ import { bracket } from 'lib/exampleKcl'
 import { createContext, useContext, useEffect, useState } from 'react'
 import { getNodeFromPath } from './queryAst'
 import { IndexLoaderData } from 'Router'
-import { useLoaderData } from 'react-router-dom'
+import { Params, useLoaderData } from 'react-router-dom'
+import { isTauri } from 'lib/isTauri'
+import { writeTextFile } from '@tauri-apps/api/fs'
+import { toast } from 'react-hot-toast'
+import { useParams } from 'react-router-dom'

 const PERSIST_CODE_TOKEN = 'persistCode'

@ -41,10 +45,20 @@ class KclManager {
  private _kclErrors: KCLError[] = []
  private _isExecuting = false
  private _wasmInitFailed = true
+  private _params: Params<string> = {}

  engineCommandManager: EngineCommandManager
  private _defferer = deferExecution((code: string) => {
-    const ast = parse(code)
+    const ast = this.safeParse(code)
+    if (!ast) return
+    try {
+      const fmtAndStringify = (ast: Program) =>
+        JSON.stringify(parse(recast(ast)))
+      const isAstTheSame = fmtAndStringify(ast) === fmtAndStringify(this._ast)
+      if (isAstTheSame) return
+    } catch (e) {
+      console.error(e)
+    }
    this.executeAst(ast)
  }, 600)

@ -71,6 +85,21 @@ class KclManager {
  set code(code) {
    this._code = code
    this._codeCallBack(code)
+    if (isTauri()) {
+      setTimeout(() => {
+        // Wait one event loop to give a chance for params to be set
+        // Save the file to disk
+        // Note that PROJECT_ENTRYPOINT is hardcoded until we support multiple files
+        this._params.id &&
+          writeTextFile(this._params.id, code).catch((err) => {
+            // TODO: add Sentry per GH issue #254 (https://github.com/KittyCAD/modeling-app/issues/254)
+            console.error('error saving file', err)
+            toast.error('Error saving file, please check file permissions')
+          })
+      })
+    } else {
+      localStorage.setItem(PERSIST_CODE_TOKEN, code)
+    }
  }

  get programMemory() {
@ -117,10 +146,19 @@ class KclManager {
    this._wasmInitFailedCallback(wasmInitFailed)
  }

+  setParams(params: Params<string>) {
+    this._params = params
+  }
+
  constructor(engineCommandManager: EngineCommandManager) {
    this.engineCommandManager = engineCommandManager
+
+    if (isTauri()) {
+      this.code = ''
+      return
+    }
    const storedCode = localStorage.getItem(PERSIST_CODE_TOKEN)
-    // TODO #819 remove zustand persistance logic in a few months
+    // TODO #819 remove zustand persistence logic in a few months
    // short term migration, shouldn't make a difference for tauri app users
    // anyway since that's filesystem based.
    const zustandStore = JSON.parse(localStorage.getItem('store') || '{}')
@ -130,6 +168,7 @@ class KclManager {
      zustandStore.state.code = ''
      localStorage.setItem('store', JSON.stringify(zustandStore))
    } else if (storedCode === null) {
+      console.log('stored brack thing')
      this.code = bracket
    } else {
      this.code = storedCode
@ -164,6 +203,21 @@ class KclManager {
    this._executeCallback = callback
  }

+  safeParse(code: string): Program | null {
+    try {
+      const ast = parse(code)
+      this.kclErrors = []
+      return ast
+    } catch (e) {
+      console.error('error parsing code', e)
+      if (e instanceof KCLError) {
+        this.kclErrors = [e]
+        if (e.msg === 'file is empty') engineCommandManager.endSession()
+      }
+      return null
+    }
+  }
+
  async ensureWasmInit() {
    try {
      await initPromise
@ -184,20 +238,20 @@ class KclManager {
      defaultPlanes: this.defaultPlanes,
    })
    this.isExecuting = false
-    this._logs = logs
-    this._kclErrors = errors
-    this._programMemory = programMemory
-    this._ast = { ...ast }
+    this.logs = logs
+    this.kclErrors = errors
+    this.programMemory = programMemory
+    this.ast = { ...ast }
    if (updateCode) {
-      this._code = recast(ast)
-      this._codeCallBack(this._code)
+      this.code = recast(ast)
    }
    this._executeCallback()
  }
  async executeAstMock(ast: Program = this._ast, updateCode = false) {
    await this.ensureWasmInit()
    const newCode = recast(ast)
-    const newAst = parse(newCode)
+    const newAst = this.safeParse(newCode)
+    if (!newAst) return
    await this?.engineCommandManager?.waitForReady
    if (updateCode) {
      this.setCode(recast(ast))
@ -233,13 +287,17 @@ class KclManager {
    this.ast = ast
    if (code) this.code = code
  }
-  setCode(code: string) {
+  setCode(code: string, shouldWriteFile = true) {
+    if (shouldWriteFile) {
+      // use the normal code setter
+      this.code = code
+      return
+    }
    this._code = code
    this._codeCallBack(code)
-    localStorage.setItem(PERSIST_CODE_TOKEN, code)
  }
-  setCodeAndExecute(code: string) {
-    this.setCode(code)
+  setCodeAndExecute(code: string, shouldWriteFile = true) {
+    this.setCode(code, shouldWriteFile)
    if (code.trim()) {
      this._defferer(code)
      return
@ -260,9 +318,11 @@ class KclManager {
    this.engineCommandManager.endSession()
  }
  format() {
-    this.code = recast(parse(kclManager.code))
+    const ast = this.safeParse(this.code)
+    if (!ast) return
+    this.code = recast(ast)
  }
-  // There's overlapping resposibility between updateAst and executeAst.
+  // There's overlapping responsibility between updateAst and executeAst.
  // updateAst was added as it was used a lot before xState migration so makes the port easier.
  // but should probably have think about which of the function to keep
  async updateAst(
@ -270,15 +330,13 @@ class KclManager {
    execute: boolean,
    optionalParams?: {
      focusPath?: PathToNode
-      callBack?: (ast: Program) => void
    }
  ): Promise<Selections | null> {
    const newCode = recast(ast)
-    const astWithUpdatedSource = parse(newCode)
-    optionalParams?.callBack?.(astWithUpdatedSource)
+    const astWithUpdatedSource = this.safeParse(newCode)
+    if (!astWithUpdatedSource) return null
    let returnVal: Selections | null = null

-    this.code = newCode
    if (optionalParams?.focusPath) {
      const { node } = getNodeFromPath<any>(
        astWithUpdatedSource,
@ -299,12 +357,12 @@ class KclManager {

    if (execute) {
      // Call execute on the set ast.
-      await this.executeAst(astWithUpdatedSource)
+      await this.executeAst(astWithUpdatedSource, true)
    } else {
      // When we don't re-execute, we still want to update the program
      // memory with the new ast. So we will hit the mock executor
      // instead.
-      await this.executeAstMock(astWithUpdatedSource)
+      await this.executeAstMock(astWithUpdatedSource, true)
    }
    return returnVal
  }
@ -369,6 +427,11 @@ export function KclContextProvider({
      setWasmInitFailed,
    })
  }, [])
+
+  const params = useParams()
+  useEffect(() => {
+    kclManager.setParams(params)
+  }, [params])
  return (
    <KclContext.Provider
      value={{
--- a/src/lang/abstractSyntaxTree.test.ts
+++ b/src/lang/abstractSyntaxTree.test.ts
@ -331,9 +331,6 @@ const myVar = funcN(1, 2)`
                  raw: '2',
                },
              ],
-              function: {
-                type: 'InMemory',
-              },
              optional: false,
            },
          },
@ -403,7 +400,6 @@ describe('testing pipe operator special', () => {
                      ],
                    },
                  ],
-                  function: expect.any(Object),
                  optional: false,
                },
                {
@ -440,7 +436,6 @@ describe('testing pipe operator special', () => {
                    },
                    { type: 'PipeSubstitution', start: 59, end: 60 },
                  ],
-                  function: expect.any(Object),
                  optional: false,
                },
                {
@ -513,7 +508,6 @@ describe('testing pipe operator special', () => {
                    },
                    { type: 'PipeSubstitution', start: 105, end: 106 },
                  ],
-                  function: expect.any(Object),
                  optional: false,
                },
                {
@ -550,7 +544,6 @@ describe('testing pipe operator special', () => {
                    },
                    { type: 'PipeSubstitution', start: 128, end: 129 },
                  ],
-                  function: expect.any(Object),
                  optional: false,
                },
                {
@ -573,9 +566,6 @@ describe('testing pipe operator special', () => {
                    },
                    { type: 'PipeSubstitution', start: 143, end: 144 },
                  ],
-                  function: {
-                    type: 'InMemory',
-                  },
                  optional: false,
                },
              ],
@ -655,9 +645,6 @@ describe('testing pipe operator special', () => {
                      end: 35,
                    },
                  ],
-                  function: {
-                    type: 'InMemory',
-                  },
                  optional: false,
                },
              ],
@ -1345,7 +1332,7 @@ describe('nests binary expressions correctly', () => {
      ],
    })
  })
-  it('should nest properly with two opperators of equal precedence', () => {
+  it('should nest properly with two operators of equal precedence', () => {
    const code = `const yo = 1 + 2 - 3`
    const { body } = parse(code)
    expect((body[0] as any).declarations[0].init).toEqual({
@ -1382,7 +1369,7 @@ describe('nests binary expressions correctly', () => {
      },
    })
  })
-  it('should nest properly with two opperators of equal (but higher) precedence', () => {
+  it('should nest properly with two operators of equal (but higher) precedence', () => {
    const code = `const yo = 1 * 2 / 3`
    const { body } = parse(code)
    expect((body[0] as any).declarations[0].init).toEqual({
@ -1443,7 +1430,7 @@ describe('nests binary expressions correctly', () => {
            type: 'BinaryExpression',
            operator: '*',
            start: 15,
-            end: 26,
+            end: 25,
            left: { type: 'Literal', value: 2, raw: '2', start: 15, end: 16 },
            right: {
              type: 'BinaryExpression',
@ -1567,7 +1554,6 @@ describe('test UnaryExpression', () => {
          { type: 'Literal', start: 19, end: 20, value: 4, raw: '4' },
          { type: 'Literal', start: 22, end: 25, value: 100, raw: '100' },
        ],
-        function: expect.any(Object),
        optional: false,
      },
    })
@ -1601,12 +1587,10 @@ describe('testing nested call expressions', () => {
              { type: 'Literal', start: 34, end: 35, value: 5, raw: '5' },
              { type: 'Literal', start: 37, end: 38, value: 3, raw: '3' },
            ],
-            function: expect.any(Object),
            optional: false,
          },
        },
      ],
-      function: expect.any(Object),
      optional: false,
    })
  })
@ -1638,7 +1622,6 @@ describe('should recognise callExpresions in binaryExpressions', () => {
            },
            { type: 'PipeSubstitution', start: 25, end: 26 },
          ],
-          function: expect.any(Object),
          optional: false,
        },
        right: { type: 'Literal', value: 1, raw: '1', start: 30, end: 31 },
--- a/src/lang/errors.ts
+++ b/src/lang/errors.ts
@ -18,6 +18,20 @@ export class KCLError {
  }
 }

+export class KCLLexicalError extends KCLError {
+  constructor(msg: string, sourceRanges: [number, number][]) {
+    super('lexical', msg, sourceRanges)
+    Object.setPrototypeOf(this, KCLSyntaxError.prototype)
+  }
+}
+
+export class KCLInternalError extends KCLError {
+  constructor(msg: string, sourceRanges: [number, number][]) {
+    super('internal', msg, sourceRanges)
+    Object.setPrototypeOf(this, KCLSyntaxError.prototype)
+  }
+}
+
 export class KCLSyntaxError extends KCLError {
  constructor(msg: string, sourceRanges: [number, number][]) {
    super('syntax', msg, sourceRanges)
--- a/src/lang/modifyAst.ts
+++ b/src/lang/modifyAst.ts
@ -310,7 +310,7 @@ export function extrudeSketch(
  const name = findUniqueName(node, 'part')
  const VariableDeclaration = createVariableDeclaration(name, extrudeCall)
  let showCallIndex = getShowIndex(_node)
-  if (showCallIndex == -1) {
+  if (showCallIndex === -1) {
    // We didn't find a show, so let's just append everything
    showCallIndex = _node.body.length
  }
@ -480,21 +480,6 @@ export function createCallExpressionStdLib(
      end: 0,
      name,
    },
-    function: {
-      type: 'StdLib',
-      func: {
-        // We only need the name here to map it back when it serializes
-        // to rust, don't worry about the rest.
-        name,
-        summary: '',
-        description: '',
-        tags: [],
-        returnValue: { type: '', required: false, name: '', schema: {} },
-        args: [],
-        unpublished: false,
-        deprecated: false,
-      },
-    },
    optional: false,
    arguments: args,
  }
@ -514,9 +499,6 @@ export function createCallExpression(
      end: 0,
      name,
    },
-    function: {
-      type: 'InMemory',
-    },
    optional: false,
    arguments: args,
  }
--- a/src/lang/std/README.md
+++ b/src/lang/std/README.md
@ -2,5 +2,5 @@ The std is as expected, tools that are provided with the language.

 For this language that means functions.

-However because programatically changing the source code is a first class citizen in this lang, there needs to be helpes for adding and modifying these function calls,
+However because programmatically changing the source code is a first class citizen in this lang, there needs to be helpers for adding and modifying these function calls,
 So it makes sense to group some of these together.
--- a/src/lang/std/engineConnection.ts
+++ b/src/lang/std/engineConnection.ts
@ -289,6 +289,7 @@ export class EngineConnection {
          )
        } else {
          console.error(`Error from server:\n${errorsString}`)
+          console.log(message)
        }
        return
      }
@ -664,7 +665,7 @@ export class EngineCommandManager {
          },
        })

-        // Inisialize the planes.
+        // Initialize the planes.
        this.initPlanes().then(() => {
          // We execute the code here to make sure if the stream was to
          // restart in a session, we want to make sure to execute the code.
@ -887,8 +888,9 @@ export class EngineCommandManager {
  }
  endSession() {
    // TODO: instead of sending a single command with `object_ids: Object.keys(this.artifactMap)`
-    // we need to loop over them each individualy because if the engine doesn't recognise a single
+    // we need to loop over them each individually because if the engine doesn't recognise a single
    // id the whole command fails.
+    const artifactsToDelete: any = {}
    Object.entries(this.artifactMap).forEach(([id, artifact]) => {
      const artifactTypesToDelete: ArtifactMap[string]['commandType'][] = [
        // 'start_path' creates a new scene object for the path, which is why it needs to be deleted,
@ -898,7 +900,9 @@ export class EngineCommandManager {
        'start_path',
      ]
      if (!artifactTypesToDelete.includes(artifact.commandType)) return
-
+      artifactsToDelete[id] = artifact
+    })
+    Object.keys(artifactsToDelete).forEach((id) => {
      const deletCmd: EngineCommand = {
        type: 'modeling_cmd_req',
        cmd_id: uuidv4(),
@ -982,7 +986,7 @@ export class EngineCommandManager {
      if (parseCommand.type === 'modeling_cmd_req')
        return this.handlePendingCommand(id, parseCommand?.cmd, range)
    }
-    throw 'shouldnt reach here'
+    throw Error('shouldnt reach here')
  }
  handlePendingCommand(
    id: string,
--- a/src/lang/std/sketch.ts
+++ b/src/lang/std/sketch.ts
@ -20,7 +20,6 @@ import {
 import { isLiteralArrayOrStatic } from './sketchcombos'
 import { toolTips, ToolTip } from '../../useStore'
 import { createPipeExpression, splitPathAtPipeExpression } from '../modifyAst'
-import { generateUuidFromHashSeed } from '../../lib/uuid'

 import { SketchLineHelper, ModifyAstBase, TransformCallback } from './stdTypes'

@ -92,18 +91,12 @@ export function createFirstArg(
  throw new Error('all sketch line types should have been covered')
 }

+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 type LineData = {
  from: [number, number, number]
  to: [number, number, number]
 }

-function makeId(seed: string | any) {
-  if (typeof seed === 'string') {
-    return generateUuidFromHashSeed(seed)
-  }
-  return generateUuidFromHashSeed(JSON.stringify(seed))
-}
-
 export const lineTo: SketchLineHelper = {
  add: ({
    node,
@ -250,9 +243,6 @@ export const line: SketchLineHelper = {
    ])

    if (callExpression.arguments?.[0].type === 'ObjectExpression') {
-      const toProp = callExpression.arguments?.[0].properties?.find(
-        ({ key }) => key.name === 'to'
-      )
      mutateObjExpProp(callExpression.arguments?.[0], toArrExp, 'to')
    } else {
      mutateArrExp(callExpression.arguments?.[0], toArrExp)
@ -956,7 +946,7 @@ export function compareVec2Epsilon(
 ) {
  const compareEpsilon = 0.015625 // or 2^-6
  const xDifference = Math.abs(vec1[0] - vec2[0])
-  const yDifference = Math.abs(vec1[0] - vec2[0])
+  const yDifference = Math.abs(vec1[1] - vec2[1])
  return xDifference < compareEpsilon && yDifference < compareEpsilon
 }

@ -974,14 +964,12 @@ export function addNewSketchLn({
  const node = JSON.parse(JSON.stringify(_node))
  const { add, updateArgs } = sketchLineHelperMap?.[fnName] || {}
  if (!add || !updateArgs) throw new Error('not a sketch line helper')
-  const { node: varDec } = getNodeFromPath<VariableDeclarator>(
+  getNodeFromPath<VariableDeclarator>(node, pathToNode, 'VariableDeclarator')
+  getNodeFromPath<PipeExpression | CallExpression>(
    node,
    pathToNode,
-    'VariableDeclarator'
+    'PipeExpression'
  )
-  const { node: pipeExp, shallowPath: pipePath } = getNodeFromPath<
-    PipeExpression | CallExpression
-  >(node, pathToNode, 'PipeExpression')
  return add({
    node,
    previousProgramMemory,
--- a/src/lang/std/sketchConstraints.test.ts
+++ b/src/lang/std/sketchConstraints.test.ts
@ -50,7 +50,7 @@ async function testingSwapSketchFnCall({
  }
 }

-describe('testing swaping out sketch calls with xLine/xLineTo', () => {
+describe('testing swapping out sketch calls with xLine/xLineTo', () => {
  const bigExampleArr = [
    `const part001 = startSketchOn('XY')`,
    `  |> startProfileAt([0, 0], %)`,
@ -178,7 +178,7 @@ describe('testing swaping out sketch calls with xLine/xLineTo', () => {
      constraintType: 'horizontal',
    })
    const expectedLine = "xLine({ length: -0.86, tag: 'abc4' }, %)"
-    // hmm "-0.86" is correct since the angle is 104, but need to make sure this is compatiable `-myVar`
+    // hmm "-0.86" is correct since the angle is 104, but need to make sure this is compatible `-myVar`
    expect(newCode).toContain(expectedLine)
    // new line should start at the same place as the old line
    expect(originalRange[0]).toBe(newCode.indexOf(expectedLine))
@ -268,7 +268,7 @@ describe('testing swaping out sketch calls with xLine/xLineTo', () => {
  })
 })

-describe('testing swaping out sketch calls with xLine/xLineTo while keeping variable/identifiers intact', () => {
+describe('testing swapping out sketch calls with xLine/xLineTo while keeping variable/identifiers intact', () => {
  // Enable rotations #152
  const variablesExampleArr = [
    `const lineX = -1`,
--- a/src/lang/std/sketchcombos.test.ts
+++ b/src/lang/std/sketchcombos.test.ts
@ -108,7 +108,7 @@ const part001 = startSketchOn('XY')
  |> line([myVar, 1], %) // ln-should use legLen for y
  |> line([myVar, -1], %) // ln-legLen but negative
  |> line([-0.62, -1.54], %) // ln-should become angledLine
-  |> angledLine([myVar, 1.04], %) // ln-use segLen for secound arg
+  |> angledLine([myVar, 1.04], %) // ln-use segLen for second arg
  |> angledLine([45, 1.04], %) // ln-segLen again
  |> angledLineOfXLength([54, 2.35], %) // ln-should be transformed to angledLine
  |> angledLineOfXLength([50, myVar], %) // ln-should use legAngX to calculate angle
@ -163,7 +163,7 @@ const part001 = startSketchOn('XY')
       -legLen(segLen('seg01', %), myVar)
     ], %) // ln-legLen but negative
  |> angledLine([-112, segLen('seg01', %)], %) // ln-should become angledLine
-  |> angledLine([myVar, segLen('seg01', %)], %) // ln-use segLen for secound arg
+  |> angledLine([myVar, segLen('seg01', %)], %) // ln-use segLen for second arg
  |> angledLine([45, segLen('seg01', %)], %) // ln-segLen again
  |> angledLine([54, segLen('seg01', %)], %) // ln-should be transformed to angledLine
  |> angledLineOfXLength([
@ -471,7 +471,7 @@ async function helperThing(
 }

 describe('testing getConstraintLevelFromSourceRange', () => {
-  it('should devide up lines into free, partial and fully contrained', () => {
+  it('should divide up lines into free, partial and fully contrained', () => {
    const code = `const baseLength = 3
 const baseThick = 1
 const armThick = 0.5
--- a/src/lib/exampleKcl.ts
+++ b/src/lib/exampleKcl.ts
@ -26,5 +26,4 @@ const bracket = startSketchOn('XY')
  |> close(%)
  |> extrude(width, %)

-show(bracket)
 `
--- a/src/lib/selections.ts
+++ b/src/lib/selections.ts
@ -15,7 +15,7 @@ app needs these selections to be based on cursors, therefore the app must
 be in control of selections. On top of that because we need to set cursor
 positions in code-mirror for selections, both from app logic, and still
 allow the user to add multiple cursors like a normal editor, it's best to
-let code mirror control cursor positions and assosiate those source ranges
+let code mirror control cursor positions and associate those source ranges
 with entity ids from code-mirror events later.

 So it's a lot of back and forth. conceptually the back and forth is:
@ -43,7 +43,7 @@ In detail:

 1) Click commands are mostly sent in stream.tsx search for
  "select_with_point"
-2) The handler for when the engine sends back entitiy ids calls
+2) The handler for when the engine sends back entity ids calls
  getEventForSelectWithPoint, it fires an XState event to update our
  selections is xstate context
 3 and 4) The XState handler for the above uses handleSelectionBatch and
@ -102,8 +102,8 @@ export async function getEventForSelectWithPoint(
    Models['OkModelingCmdResponse_type'],
    { type: 'select_with_point' }
  >,
-  { sketchEnginePathId }: { sketchEnginePathId: string }
-): Promise<ModelingMachineEvent> {
+  { sketchEnginePathId }: { sketchEnginePathId?: string }
+): Promise<ModelingMachineEvent | null> {
  if (!data?.entity_id) {
    return {
      type: 'Set selection',
@ -120,6 +120,7 @@ export async function getEventForSelectWithPoint(
      },
    }
  }
+  // if (!sketchEnginePathId) return null
  // selected a vertex
  const res = await engineCommandManager.sendSceneCommand({
    type: 'modeling_cmd_req',
@ -127,7 +128,7 @@ export async function getEventForSelectWithPoint(
    cmd: {
      type: 'path_get_curve_uuids_for_vertices',
      vertex_ids: [data.entity_id],
-      path_id: sketchEnginePathId,
+      path_id: sketchEnginePathId || '',
    },
  })
  const curveIds = res?.data?.data?.curve_ids
@ -303,7 +304,7 @@ export function resetAndSetEngineEntitySelectionCmds(
  selections: SelectionToEngine[]
 ): Models['WebSocketRequest_type'][] {
  if (!engineCommandManager.engineConnection?.isReady()) {
-    console.log('engine connection isnt ready')
+    console.log('engine connection is not ready')
    return []
  }
  return [
--- a/src/lib/tauriFS.ts
+++ b/src/lib/tauriFS.ts
@ -9,7 +9,6 @@ import { documentDir, homeDir, sep } from '@tauri-apps/api/path'
 import { isTauri } from './isTauri'
 import { ProjectWithEntryPointMetadata } from '../Router'
 import { metadata } from 'tauri-plugin-fs-extra-api'
-import { bracket } from './exampleKcl'

 const PROJECT_FOLDER = 'kittycad-modeling-projects'
 export const FILE_EXT = '.kcl'
@ -211,7 +210,8 @@ export function sortProject(project: FileEntry[]): FileEntry[] {
 // Creates a new file in the default directory with the default project name
 // Returns the path to the new file
 export async function createNewProject(
-  path: string
+  path: string,
+  initCode = ''
 ): Promise<ProjectWithEntryPointMetadata> {
  if (!isTauri) {
    throw new Error('createNewProject() can only be called from a Tauri app')
@ -225,10 +225,12 @@ export async function createNewProject(
    })
  }

-  await writeTextFile(path + sep + PROJECT_ENTRYPOINT, bracket).catch((err) => {
-    console.error('Error creating new file:', err)
-    throw err
-  })
+  await writeTextFile(path + sep + PROJECT_ENTRYPOINT, initCode).catch(
+    (err) => {
+      console.error('Error creating new file:', err)
+      throw err
+    }
+  )

  const m = await metadata(path)

--- a/src/lib/testHelpers.ts
+++ b/src/lib/testHelpers.ts
@ -9,6 +9,7 @@ import { v4 as uuidv4 } from 'uuid'
 type WebSocketResponse = Models['OkWebSocketResponseData_type']

 class MockEngineCommandManager {
+  // eslint-disable-next-line @typescript-eslint/no-useless-constructor
  constructor(mockParams: {
    setIsStreamReady: (isReady: boolean) => void
    setMediaStream: (stream: MediaStream) => void
--- a/src/machines/modelingMachine.ts
+++ b/src/machines/modelingMachine.ts
@ -664,8 +664,8 @@ export const modelingMachine = createMachine(
    on: {
      Cancel: {
        target: 'idle',
-        // TODO what if we're existing extrude equiped, should these actions still be fired?
-        // mabye cancel needs to have a guard for if else logic?
+        // TODO what if we're existing extrude equipped, should these actions still be fired?
+        // maybe cancel needs to have a guard for if else logic?
        actions: [
          'edit_mode_exit',
          'default_camera_disable_sketch_mode',
@ -882,7 +882,7 @@ export const modelingMachine = createMachine(
      // TODO implement source ranges for all of these constraints
      // need to make the async like the modal constraints
      'Make selection horizontal': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyConstraintHorzVert(
+        const { modifiedAst } = applyConstraintHorzVert(
          selectionRanges,
          'horizontal',
          kclManager.ast,
@ -891,7 +891,7 @@ export const modelingMachine = createMachine(
        kclManager.updateAst(modifiedAst, true)
      },
      'Make selection vertical': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyConstraintHorzVert(
+        const { modifiedAst } = applyConstraintHorzVert(
          selectionRanges,
          'vertical',
          kclManager.ast,
@ -900,33 +900,33 @@ export const modelingMachine = createMachine(
        kclManager.updateAst(modifiedAst, true)
      },
      'Constrain horizontally align': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyConstraintHorzVertAlign({
+        const { modifiedAst } = applyConstraintHorzVertAlign({
          selectionRanges,
          constraint: 'setVertDistance',
        })
        kclManager.updateAst(modifiedAst, true)
      },
      'Constrain vertically align': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyConstraintHorzVertAlign({
+        const { modifiedAst } = applyConstraintHorzVertAlign({
          selectionRanges,
          constraint: 'setHorzDistance',
        })
        kclManager.updateAst(modifiedAst, true)
      },
      'Constrain equal length': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyConstraintEqualLength({
+        const { modifiedAst } = applyConstraintEqualLength({
          selectionRanges,
        })
        kclManager.updateAst(modifiedAst, true)
      },
      'Constrain parallel': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyConstraintEqualAngle({
+        const { modifiedAst } = applyConstraintEqualAngle({
          selectionRanges,
        })
        kclManager.updateAst(modifiedAst, true)
      },
      'Constrain remove constraints': ({ selectionRanges }) => {
-        const { modifiedAst, pathToNodeMap } = applyRemoveConstrainingValues({
+        const { modifiedAst } = applyRemoveConstrainingValues({
          selectionRanges,
        })
        kclManager.updateAst(modifiedAst, true)
--- a/src/routes/Onboarding/Introduction.tsx
+++ b/src/routes/Onboarding/Introduction.tsx
@ -43,7 +43,10 @@ function OnboardingWithNewFile() {
      ONBOARDING_PROJECT_NAME,
      nextIndex
    )
-    const newFile = await createNewProject(defaultDirectory + sep + name)
+    const newFile = await createNewProject(
+      defaultDirectory + sep + name,
+      bracket
+    )
    navigate(
      `${paths.FILE}/${encodeURIComponent(
        newFile.path + sep + PROJECT_ENTRYPOINT
@ -79,7 +82,7 @@ function OnboardingWithNewFile() {
              <ActionButton
                Element="button"
                onClick={() => {
-                  kclManager.setCode(bracket)
+                  kclManager.setCodeAndExecute(bracket)
                  next()
                }}
                icon={{ icon: faArrowRight }}
@ -118,7 +121,7 @@ function OnboardingWithNewFile() {
                Element="button"
                onClick={() => {
                  createAndOpenNewProject()
-                  kclManager.setCode(bracket)
+                  kclManager.setCode(bracket, false)
                  dismiss()
                }}
                icon={{ icon: faArrowRight }}
--- a/src/routes/Settings.tsx
+++ b/src/routes/Settings.tsx
@ -32,6 +32,7 @@ import {
 } from 'lib/tauriFS'
 import { ONBOARDING_PROJECT_NAME } from './Onboarding'
 import { sep } from '@tauri-apps/api/path'
+import { bracket } from 'lib/exampleKcl'

 export const Settings = () => {
  const loaderData =
@ -96,7 +97,10 @@ export const Settings = () => {
      ONBOARDING_PROJECT_NAME,
      nextIndex
    )
-    const newFile = await createNewProject(defaultDirectory + sep + name)
+    const newFile = await createNewProject(
+      defaultDirectory + sep + name,
+      bracket
+    )
    navigate(`${paths.FILE}/${encodeURIComponent(newFile.path)}`)
  }

--- a/src/routes/SignIn.tsx
+++ b/src/routes/SignIn.tsx
@ -67,6 +67,7 @@ const SignIn = () => {
            onClick={signInTauri}
            icon={{ icon: faSignInAlt }}
            className="w-fit mt-4"
+            id="signin"
          >
            Sign in
          </ActionButton>
--- a/src/useStore.ts
+++ b/src/useStore.ts
@ -253,11 +253,13 @@ export async function executeAst({
  engineCommandManager,
  defaultPlanes,
  useFakeExecutor = false,
+  programMemoryOverride,
 }: {
  ast: Program
  engineCommandManager: EngineCommandManager
  defaultPlanes: DefaultPlanes
  useFakeExecutor?: boolean
+  programMemoryOverride?: ProgramMemory
 }): Promise<{
  logs: string[]
  errors: KCLError[]
@ -269,10 +271,13 @@ export async function executeAst({
      engineCommandManager.startNewSession()
    }
    const programMemory = await (useFakeExecutor
-      ? enginelessExecutor(ast, {
-          root: defaultProgramMemory,
-          return: null,
-        })
+      ? enginelessExecutor(
+          ast,
+          programMemoryOverride || {
+            root: defaultProgramMemory,
+            return: null,
+          }
+        )
      : _executor(
          ast,
          {
--- a/src/wasm-lib/.config/nextest.toml
+++ b/src/wasm-lib/.config/nextest.toml
@ -6,10 +6,10 @@
 serial-integration = { max-threads = 4 }

 [profile.default]
-slow-timeout = { period = "60s", terminate-after = 1 }
+slow-timeout = { period = "10s", terminate-after = 1 }

 [profile.ci]
-slow-timeout = { period = "120s", terminate-after = 10 }
+slow-timeout = { period = "30s", terminate-after = 5 }

 [[profile.default.overrides]]
 filter = "test(serial_test_)"
@ -20,3 +20,7 @@ threads-required = 4
 filter = "test(serial_test_)"
 test-group = "serial-integration"
 threads-required = 4
+
+[[profile.default.overrides]]
+filter = "test(parser::parser_impl::snapshot_tests)"
+slow-timeout = { period = "1s", terminate-after = 5 }
--- a/src/wasm-lib/Cargo.lock
+++ b/src/wasm-lib/Cargo.lock
--- a/src/wasm-lib/Cargo.toml
+++ b/src/wasm-lib/Cargo.toml
@ -2,6 +2,8 @@
 name = "wasm-lib"
 version = "0.1.0"
 edition = "2021"
+repository = "https://github.com/KittyCAD/modeling-app"
+rust-version = "1.73"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [lib]
@ -11,28 +13,28 @@ crate-type = ["cdylib"]
 bson = { version = "2.7.0", features = ["uuid-1", "chrono"] }
 gloo-utils = "0.2.0"
 kcl-lib = { path = "kcl" }
-kittycad = { version = "0.2.33", default-features = false, features = ["js"] }
-serde_json = "1.0.107"
-uuid = { version = "1.4.1", features = ["v4", "js", "serde"] }
-wasm-bindgen = "0.2.87"
+kittycad = { workspace = true }
+serde_json = "1.0.108"
+uuid = { version = "1.5.0", features = ["v4", "js", "serde"] }
+wasm-bindgen = "0.2.88"
 wasm-bindgen-futures = "0.4.37"

 [dev-dependencies]
 anyhow = "1"
 image = "0.24.7"
-kittycad = "0.2.33"
+kittycad = { workspace = true, default-features = true }
 pretty_assertions = "1.4.0"
 reqwest = { version = "0.11.22", default-features = false }
 tokio = { version = "1.33.0", features = ["rt-multi-thread", "macros", "time"] }
 twenty-twenty = "0.6.1"
-uuid = { version = "1.4.1", features = ["v4", "js", "serde"] }
+uuid = { version = "1.5.0", features = ["v4", "js", "serde"] }

 [target.'cfg(target_arch = "wasm32")'.dependencies]
-futures = "0.3.28"
-js-sys = "0.3.64"
+futures = "0.3.29"
+js-sys = "0.3.65"
 tower-lsp = { version = "0.20.0", default-features = false, features = ["runtime-agnostic"] }
 wasm-bindgen-futures = { version = "0.4.37", features = ["futures-core-03-stream"] }
-wasm-streams = "0.3.0"
+wasm-streams = "0.4.0"

 [target.'cfg(target_arch = "wasm32")'.dependencies.web-sys]
 version = "0.3.57"
@ -53,6 +55,9 @@ members = [
 	"kcl",
 ]

+[workspace.dependencies]
+kittycad = { version = "0.2.41", default-features = false, features = ["js"] }
+
 [[test]]
 name = "executor"
 path = "tests/executor/main.rs"
--- a/src/wasm-lib/derive-docs/Cargo.toml
+++ b/src/wasm-lib/derive-docs/Cargo.toml
@ -4,6 +4,8 @@ description = "A tool for generating documentation from Rust derive macros"
 version = "0.1.4"
 edition = "2021"
 license = "MIT"
+repository = "https://github.com/KittyCAD/modeling-app"
+rust-version = "1.73"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

@ -14,9 +16,9 @@ proc-macro = true
 convert_case = "0.6.0"
 proc-macro2 = "1"
 quote = "1"
-serde = { version = "1.0.189", features = ["derive"] }
+serde = { version = "1.0.192", features = ["derive"] }
 serde_tokenstream = "0.2"
-syn = { version = "2.0.38", features = ["full"] }
+syn = { version = "2.0.39", features = ["full"] }

 [dev-dependencies]
 expectorate = "1.1.0"
--- a/src/wasm-lib/kcl/Cargo.toml
+++ b/src/wasm-lib/kcl/Cargo.toml
@ -4,6 +4,8 @@ description = "KittyCAD Language"
 version = "0.1.35"
 edition = "2021"
 license = "MIT"
+repository = "https://github.com/KittyCAD/modeling-app"
+rust-version = "1.73"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

@ -11,31 +13,31 @@ license = "MIT"
 anyhow = { version = "1.0.75", features = ["backtrace"] }
 async-recursion = "1.0.5"
 async-trait = "0.1.73"
-clap = { version = "4.4.6", features = ["cargo", "derive", "env", "unicode"], optional = true }
+clap = { version = "4.4.7", features = ["cargo", "derive", "env", "unicode"], optional = true }
 dashmap = "5.5.3"
 derive-docs = { version = "0.1.4" }
 #derive-docs = { path = "../derive-docs" }
-kittycad = { version = "0.2.33", default-features = false, features = ["js"] }
+kittycad = { workspace = true }
 lazy_static = "1.4.0"
 parse-display = "0.8.2"
 schemars = { version = "0.8", features = ["impl_json_schema", "url", "uuid1"] }
-serde = { version = "1.0.189", features = ["derive"] }
-serde_json = "1.0.107"
-thiserror = "1.0.49"
+serde = { version = "1.0.192", features = ["derive"] }
+serde_json = "1.0.108"
+thiserror = "1.0.50"
 ts-rs = { version = "7", package = "ts-rs-json-value", features = ["serde-json-impl", "schemars-impl", "uuid-impl"] }
-uuid = { version = "1.4.1", features = ["v4", "js", "serde"] }
-winnow = "0.5.16"
+uuid = { version = "1.5.0", features = ["v4", "js", "serde"] }
+winnow = "0.5.18"

 [target.'cfg(target_arch = "wasm32")'.dependencies]
-js-sys = { version = "0.3.64" }
+js-sys = { version = "0.3.65" }
 tower-lsp = { version = "0.20.0", default-features = false, features = ["runtime-agnostic"] }
-wasm-bindgen = "0.2.87"
+wasm-bindgen = "0.2.88"
 wasm-bindgen-futures = "0.4.37"
 web-sys = { version = "0.3.64", features = ["console"] }

 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 bson = { version = "2.7.0", features = ["uuid-1", "chrono"] }
-futures = { version = "0.3.28" }
+futures = { version = "0.3.29" }
 reqwest = { version = "0.11.22", default-features = false }
 tokio = { version = "1.33.0", features = ["full"] }
 tokio-tungstenite = { version = "0.20.0", features = ["rustls-tls-native-roots"] }
@ -50,9 +52,13 @@ engine = []
 panic = "abort"
 debug = true

+[profile.bench]
+debug = true # Flamegraphs of benchmarks require accurate debug symbols
+
 [dev-dependencies]
 criterion = "0.5.1"
 expectorate = "1.1.0"
+insta = { version = "1.34.0", features = ["json"] }
 itertools = "0.11.0"
 pretty_assertions = "1.4.0"
 tokio = { version = "1.33.0", features = ["rt-multi-thread", "macros", "time"] }
--- a/src/wasm-lib/kcl/benches/compiler_benchmark.rs
+++ b/src/wasm-lib/kcl/benches/compiler_benchmark.rs
@ -11,6 +11,7 @@ pub fn bench_parse(c: &mut Criterion) {
        ("pipes_on_pipes", PIPES_PROGRAM),
        ("big_kitt", KITT_PROGRAM),
        ("cube", CUBE_PROGRAM),
+        ("math", MATH_PROGRAM),
    ] {
        let tokens = kcl_lib::token::lexer(file);
        c.bench_function(&format!("parse_{name}"), move |b| {
@ -33,3 +34,4 @@ criterion_main!(benches);
 const KITT_PROGRAM: &str = include_str!("../../tests/executor/inputs/kittycad_svg.kcl");
 const PIPES_PROGRAM: &str = include_str!("../../tests/executor/inputs/pipes_on_pipes.kcl");
 const CUBE_PROGRAM: &str = include_str!("../../tests/executor/inputs/cube.kcl");
+const MATH_PROGRAM: &str = include_str!("../../tests/executor/inputs/math.kcl");
--- a/src/wasm-lib/kcl/fuzz/Cargo.toml
+++ b/src/wasm-lib/kcl/fuzz/Cargo.toml
@ -3,6 +3,8 @@ name = "kcl-lib-fuzz"
 version = "0.0.0"
 publish = false
 edition = "2021"
+repository = "https://github.com/KittyCAD/modeling-app"
+rust-version = "1.73"

 [package.metadata]
 cargo-fuzz = true
--- a/src/wasm-lib/kcl/src/ast/modify.rs
+++ b/src/wasm-lib/kcl/src/ast/modify.rs
@ -136,7 +136,7 @@ pub async fn modify_ast_for_sketch(
    })?;

    let mut additional_lines = Vec::new();
-    let mut last_point = first_control_points.points[1].clone();
+    let mut last_point = first_control_points.points[1];
    for control_point in control_points[1..].iter() {
        additional_lines.push([
            (control_point.points[1].x - last_point.x),
--- a/src/wasm-lib/kcl/src/ast/types.rs
+++ b/src/wasm-lib/kcl/src/ast/types.rs
@ -6,15 +6,20 @@ use anyhow::Result;
 use parse_display::{Display, FromStr};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
-use serde_json::Map;
+use serde_json::{Map, Value as JValue};
 use tower_lsp::lsp_types::{CompletionItem, CompletionItemKind, DocumentSymbol, Range as LspRange, SymbolKind};

+pub use self::literal_value::LiteralValue;
 use crate::{
+    docs::StdLibFn,
    errors::{KclError, KclErrorDetails},
-    executor::{ExecutorContext, MemoryItem, Metadata, PipeInfo, ProgramMemory, SourceRange, UserVal},
+    executor::{BodyType, ExecutorContext, MemoryItem, Metadata, PipeInfo, ProgramMemory, SourceRange, UserVal},
    parser::PIPE_OPERATOR,
+    std::{kcl_stdlib::KclStdLibFn, FunctionKind},
 };

+mod literal_value;
+
 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
 #[ts(export)]
 #[serde(rename_all = "camelCase")]
@ -371,13 +376,13 @@ impl BodyItem {
    }
 }

-impl From<BodyItem> for crate::executor::SourceRange {
+impl From<BodyItem> for SourceRange {
    fn from(item: BodyItem) -> Self {
        Self([item.start(), item.end()])
    }
 }

-impl From<&BodyItem> for crate::executor::SourceRange {
+impl From<&BodyItem> for SourceRange {
    fn from(item: &BodyItem) -> Self {
        Self([item.start(), item.end()])
    }
@ -534,13 +539,13 @@ impl Value {
    }
 }

-impl From<Value> for crate::executor::SourceRange {
+impl From<Value> for SourceRange {
    fn from(value: Value) -> Self {
        Self([value.start(), value.end()])
    }
 }

-impl From<&Value> for crate::executor::SourceRange {
+impl From<&Value> for SourceRange {
    fn from(value: &Value) -> Self {
        Self([value.start(), value.end()])
    }
@ -558,13 +563,13 @@ pub enum BinaryPart {
    MemberExpression(Box<MemberExpression>),
 }

-impl From<BinaryPart> for crate::executor::SourceRange {
+impl From<BinaryPart> for SourceRange {
    fn from(value: BinaryPart) -> Self {
        Self([value.start(), value.end()])
    }
 }

-impl From<&BinaryPart> for crate::executor::SourceRange {
+impl From<&BinaryPart> for SourceRange {
    fn from(value: &BinaryPart) -> Self {
        Self([value.start(), value.end()])
    }
@ -640,7 +645,7 @@ impl BinaryPart {
        pipe_info: &mut PipeInfo,
        ctx: &ExecutorContext,
    ) -> Result<MemoryItem, KclError> {
-        // We DO NOT set this gloablly because if we did and this was called inside a pipe it would
+        // We DO NOT set this globally because if we did and this was called inside a pipe it would
        // stop the execution of the pipe.
        // THIS IS IMPORTANT.
        let mut new_pipe_info = pipe_info.clone();
@ -780,7 +785,7 @@ pub enum NonCodeValue {
    /// 1 + 1
    /// ```
    /// Now this is important. The block comment is attached to the next line.
-    /// This is always the case. Also the block comment doesnt have a new line above it.
+    /// This is always the case. Also the block comment doesn't have a new line above it.
    /// If it did it would be a `NewLineBlockComment`.
    BlockComment {
        value: String,
@ -858,7 +863,6 @@ pub struct CallExpression {
    pub callee: Identifier,
    pub arguments: Vec<Value>,
    pub optional: bool,
-    pub function: Function,
 }

 impl_value_meta!(CallExpression);
@ -871,22 +875,12 @@ impl From<CallExpression> for Value {

 impl CallExpression {
    pub fn new(name: &str, arguments: Vec<Value>) -> Result<Self, KclError> {
-        // Create our stdlib.
-        let stdlib = crate::std::StdLib::new();
-        let func = stdlib.get(name).ok_or_else(|| {
-            KclError::UndefinedValue(KclErrorDetails {
-                message: format!("Function {} is not defined", name),
-                source_ranges: vec![],
-            })
-        })?;
-
        Ok(Self {
            start: 0,
            end: 0,
            callee: Identifier::new(name),
            arguments,
            optional: false,
-            function: Function::StdLib { func },
        })
    }

@ -930,7 +924,7 @@ impl CallExpression {
                    binary_expression.get_result(memory, pipe_info, ctx).await?
                }
                Value::CallExpression(call_expression) => {
-                    // We DO NOT set this gloablly because if we did and this was called inside a pipe it would
+                    // We DO NOT set this globally because if we did and this was called inside a pipe it would
                    // stop the execution of the pipe.
                    // THIS IS IMPORTANT.
                    let mut new_pipe_info = pipe_info.clone();
@ -968,8 +962,8 @@ impl CallExpression {
            fn_args.push(result);
        }

-        match &self.function {
-            Function::StdLib { func } => {
+        match ctx.stdlib.get_either(&self.callee.name) {
+            FunctionKind::Core(func) => {
                // Attempt to call the function.
                let args = crate::std::Args::new(fn_args, self.into(), ctx.clone());
                let result = func.std_lib_fn()(args).await?;
@ -981,14 +975,54 @@ impl CallExpression {
                    Ok(result)
                }
            }
-            Function::InMemory => {
+            FunctionKind::Std(func) => {
+                let function_expression = func.function();
+                if fn_args.len() != function_expression.params.len() {
+                    return Err(KclError::Semantic(KclErrorDetails {
+                        message: format!(
+                            "Expected {} arguments, got {}",
+                            function_expression.params.len(),
+                            fn_args.len(),
+                        ),
+                        source_ranges: vec![(function_expression).into()],
+                    }));
+                }
+
+                // Add the arguments to the memory.
+                let mut fn_memory = memory.clone();
+                for (index, param) in function_expression.params.iter().enumerate() {
+                    fn_memory.add(&param.name, fn_args.get(index).unwrap().clone(), param.into())?;
+                }
+
+                // Call the stdlib function
+                let p = func.function().clone().body;
+                let results = crate::executor::execute(p, &mut fn_memory, BodyType::Block, ctx).await?;
+                let out = results.return_;
+                let result = out.ok_or_else(|| {
+                    KclError::UndefinedValue(KclErrorDetails {
+                        message: format!("Result of stdlib function {} is undefined", fn_name),
+                        source_ranges: vec![self.into()],
+                    })
+                })?;
+                let result = result.get_value()?;
+
+                if pipe_info.is_in_pipe {
+                    pipe_info.index += 1;
+                    pipe_info.previous_results.push(result);
+
+                    execute_pipe_body(memory, &pipe_info.body.clone(), pipe_info, self.into(), ctx).await
+                } else {
+                    Ok(result)
+                }
+            }
+            FunctionKind::UserDefined => {
                let func = memory.get(&fn_name, self.into())?;
                let result = func
                    .call_fn(fn_args, memory.clone(), ctx.clone())
                    .await?
                    .ok_or_else(|| {
                        KclError::UndefinedValue(KclErrorDetails {
-                            message: format!("Result of function {} is undefined", fn_name),
+                            message: format!("Result of user-defined function {} is undefined", fn_name),
                            source_ranges: vec![self.into()],
                        })
                    })?;
@ -1063,10 +1097,15 @@ impl CallExpression {
 #[ts(export)]
 #[serde(tag = "type")]
 pub enum Function {
-    /// A stdlib function.
+    /// A stdlib function written in Rust (aka core lib).
    StdLib {
        /// The function.
-        func: Box<dyn crate::docs::StdLibFn>,
+        func: Box<dyn StdLibFn>,
+    },
+    /// A stdlib function written in KCL.
+    StdLibKcl {
+        /// The function.
+        func: Box<dyn KclStdLibFn>,
    },
    /// A function that is defined in memory.
    #[default]
@ -1312,24 +1351,18 @@ impl VariableDeclarator {
 pub struct Literal {
    pub start: usize,
    pub end: usize,
-    pub value: serde_json::Value,
+    pub value: LiteralValue,
    pub raw: String,
 }

 impl_value_meta!(Literal);

-impl From<Literal> for Value {
-    fn from(literal: Literal) -> Self {
-        Value::Literal(Box::new(literal))
-    }
-}
-
 impl Literal {
-    pub fn new(value: serde_json::Value) -> Self {
+    pub fn new(value: LiteralValue) -> Self {
        Self {
            start: 0,
            end: 0,
-            raw: value.to_string(),
+            raw: JValue::from(value.clone()).to_string(),
            value,
        }
    }
@ -1343,11 +1376,19 @@ impl Literal {
    }

    fn recast(&self) -> String {
-        if let serde_json::Value::String(value) = &self.value {
-            let quote = if self.raw.trim().starts_with('"') { '"' } else { '\'' };
-            format!("{}{}{}", quote, value, quote)
-        } else {
-            self.value.to_string()
+        match self.value {
+            LiteralValue::Fractional(x) => {
+                if x.fract() == 0.0 {
+                    format!("{x:?}")
+                } else {
+                    self.raw.clone()
+                }
+            }
+            LiteralValue::IInteger(_) => self.raw.clone(),
+            LiteralValue::String(ref s) => {
+                let quote = if self.raw.trim().starts_with('"') { '"' } else { '\'' };
+                format!("{quote}{s}{quote}")
+            }
        }
    }
 }
@ -1355,7 +1396,7 @@ impl Literal {
 impl From<Literal> for MemoryItem {
    fn from(literal: Literal) -> Self {
        MemoryItem::UserVal(UserVal {
-            value: literal.value.clone(),
+            value: JValue::from(literal.value.clone()),
            meta: vec![Metadata {
                source_range: literal.into(),
            }],
@ -1366,7 +1407,7 @@ impl From<Literal> for MemoryItem {
 impl From<&Box<Literal>> for MemoryItem {
    fn from(literal: &Box<Literal>) -> Self {
        MemoryItem::UserVal(UserVal {
-            value: literal.value.clone(),
+            value: JValue::from(literal.value.clone()),
            meta: vec![Metadata {
                source_range: literal.into(),
            }],
@ -1552,7 +1593,7 @@ impl ArrayExpression {
                    binary_expression.get_result(memory, pipe_info, ctx).await?
                }
                Value::CallExpression(call_expression) => {
-                    // We DO NOT set this gloablly because if we did and this was called inside a pipe it would
+                    // We DO NOT set this globally because if we did and this was called inside a pipe it would
                    // stop the execution of the pipe.
                    // THIS IS IMPORTANT.
                    let mut new_pipe_info = pipe_info.clone();
@ -1703,7 +1744,7 @@ impl ObjectExpression {
                    binary_expression.get_result(memory, pipe_info, ctx).await?
                }
                Value::CallExpression(call_expression) => {
-                    // We DO NOT set this gloablly because if we did and this was called inside a pipe it would
+                    // We DO NOT set this globally because if we did and this was called inside a pipe it would
                    // stop the execution of the pipe.
                    // THIS IS IMPORTANT.
                    let mut new_pipe_info = pipe_info.clone();
@ -1831,13 +1872,13 @@ impl MemberObject {
    }
 }

-impl From<MemberObject> for crate::executor::SourceRange {
+impl From<MemberObject> for SourceRange {
    fn from(obj: MemberObject) -> Self {
        Self([obj.start(), obj.end()])
    }
 }

-impl From<&MemberObject> for crate::executor::SourceRange {
+impl From<&MemberObject> for SourceRange {
    fn from(obj: &MemberObject) -> Self {
        Self([obj.start(), obj.end()])
    }
@ -1867,13 +1908,13 @@ impl LiteralIdentifier {
    }
 }

-impl From<LiteralIdentifier> for crate::executor::SourceRange {
+impl From<LiteralIdentifier> for SourceRange {
    fn from(id: LiteralIdentifier) -> Self {
        Self([id.start(), id.end()])
    }
 }

-impl From<&LiteralIdentifier> for crate::executor::SourceRange {
+impl From<&LiteralIdentifier> for SourceRange {
    fn from(id: &LiteralIdentifier) -> Self {
        Self([id.start(), id.end()])
    }
@ -1967,17 +2008,21 @@ impl MemberExpression {
            LiteralIdentifier::Identifier(identifier) => identifier.name.to_string(),
            LiteralIdentifier::Literal(literal) => {
                let value = literal.value.clone();
-                // Parse this as a string.
-                if let serde_json::Value::String(string) = value {
-                    string
-                } else if let serde_json::Value::Number(_) = &value {
-                    // It can also be a number if we are getting a member of an array.
-                    return self.get_result_array(memory, parse_json_number_as_usize(&value, self.into())?);
-                } else {
-                    return Err(KclError::Semantic(KclErrorDetails {
-                        message: format!("Expected string literal or number for property name, found {:?}", value),
-                        source_ranges: vec![literal.into()],
-                    }));
+                match value {
+                    LiteralValue::IInteger(x) if x >= 0 => return self.get_result_array(memory, x as usize),
+                    LiteralValue::IInteger(x) => {
+                        return Err(KclError::Syntax(KclErrorDetails {
+                            source_ranges: vec![self.into()],
+                            message: format!("invalid index: {x}"),
+                        }))
+                    }
+                    LiteralValue::Fractional(x) => {
+                        return Err(KclError::Syntax(KclErrorDetails {
+                            source_ranges: vec![self.into()],
+                            message: format!("invalid index: {x}"),
+                        }))
+                    }
+                    LiteralValue::String(s) => s,
                }
            }
        };
@ -2133,7 +2178,7 @@ impl BinaryExpression {
        pipe_info: &mut PipeInfo,
        ctx: &ExecutorContext,
    ) -> Result<MemoryItem, KclError> {
-        // We DO NOT set this gloablly because if we did and this was called inside a pipe it would
+        // We DO NOT set this globally because if we did and this was called inside a pipe it would
        // stop the execution of the pipe.
        // THIS IS IMPORTANT.
        let mut new_pipe_info = pipe_info.clone();
@ -2175,6 +2220,7 @@ impl BinaryExpression {
            BinaryOperator::Mul => (left * right).into(),
            BinaryOperator::Div => (left / right).into(),
            BinaryOperator::Mod => (left % right).into(),
+            BinaryOperator::Pow => (left.powf(right)).into(),
        };

        Ok(MemoryItem::UserVal(UserVal {
@ -2208,22 +2254,6 @@ pub fn parse_json_number_as_f64(j: &serde_json::Value, source_range: SourceRange
    }
 }

-pub fn parse_json_number_as_usize(j: &serde_json::Value, source_range: SourceRange) -> Result<usize, KclError> {
-    if let serde_json::Value::Number(n) = &j {
-        Ok(n.as_i64().ok_or_else(|| {
-            KclError::Syntax(KclErrorDetails {
-                source_ranges: vec![source_range],
-                message: format!("Invalid index: {}", j),
-            })
-        })? as usize)
-    } else {
-        Err(KclError::Syntax(KclErrorDetails {
-            source_ranges: vec![source_range],
-            message: format!("Invalid index: {}", j),
-        }))
-    }
-}
-
 pub fn parse_json_value_as_string(j: &serde_json::Value) -> Option<String> {
    if let serde_json::Value::String(n) = &j {
        Some(n.clone())
@ -2257,13 +2287,46 @@ pub enum BinaryOperator {
    #[serde(rename = "%")]
    #[display("%")]
    Mod,
+    /// Raise a number to a power.
+    #[serde(rename = "^")]
+    #[display("^")]
+    Pow,
+}
+
+/// Mathematical associativity.
+/// Should a . b . c be read as (a . b) . c, or a . (b . c)
+/// See <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_precedence#precedence_and_associativity> for more.
+#[derive(PartialEq, Eq, Debug, Clone, Copy)]
+pub enum Associativity {
+    /// Read a . b . c as (a . b) . c
+    Left,
+    /// Read a . b . c as a . (b . c)
+    Right,
+}
+
+impl Associativity {
+    pub fn is_left(&self) -> bool {
+        matches!(self, Self::Left)
+    }
 }

 impl BinaryOperator {
+    /// Follow JS definitions of each operator.
+    /// Taken from <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_precedence#table>
    pub fn precedence(&self) -> u8 {
        match &self {
            BinaryOperator::Add | BinaryOperator::Sub => 11,
            BinaryOperator::Mul | BinaryOperator::Div | BinaryOperator::Mod => 12,
+            BinaryOperator::Pow => 6,
+        }
+    }
+
+    /// Follow JS definitions of each operator.
+    /// Taken from <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Operator_precedence#table>
+    pub fn associativity(&self) -> Associativity {
+        match self {
+            Self::Add | Self::Sub | Self::Mul | Self::Div | Self::Mod => Associativity::Left,
+            Self::Pow => Associativity::Right,
        }
    }
 }
@ -2307,7 +2370,7 @@ impl UnaryExpression {
        pipe_info: &mut PipeInfo,
        ctx: &ExecutorContext,
    ) -> Result<MemoryItem, KclError> {
-        // We DO NOT set this gloablly because if we did and this was called inside a pipe it would
+        // We DO NOT set this globally because if we did and this was called inside a pipe it would
        // stop the execution of the pipe.
        // THIS IS IMPORTANT.
        let mut new_pipe_info = pipe_info.clone();
@ -3255,4 +3318,40 @@ const thickness = sqrt(distance * p * FOS * 6 / (sigmaAllow * width))"#;
        let recasted = program.recast(&Default::default(), 0);
        assert_eq!(recasted.trim(), some_program_string);
    }
+
+    #[test]
+    fn recast_literal() {
+        use winnow::Parser;
+        for (i, (raw, expected, reason)) in [
+            (
+                "5.0",
+                "5.0",
+                "fractional numbers should stay fractional, i.e. don't reformat this to '5'",
+            ),
+            (
+                "5",
+                "5",
+                "integers should stay integral, i.e. don't reformat this to '5.0'",
+            ),
+            (
+                "5.0000000",
+                "5.0",
+                "if the number is f64 but not fractional, use its canonical format",
+            ),
+            ("5.1", "5.1", "straightforward case works"),
+        ]
+        .into_iter()
+        .enumerate()
+        {
+            let tokens = crate::token::lexer(raw);
+            let literal = crate::parser::parser_impl::unsigned_number_literal
+                .parse(&tokens)
+                .unwrap();
+            assert_eq!(
+                literal.recast(),
+                expected,
+                "failed test {i}, which is testing that {reason}"
+            );
+        }
+    }
 }
--- a/src/wasm-lib/kcl/src/ast/types/literal_value.rs
+++ b/src/wasm-lib/kcl/src/ast/types/literal_value.rs
@ -0,0 +1,70 @@
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use serde_json::Value as JValue;
+
+use super::{Literal, Value};
+
+#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
+#[ts(export)]
+#[serde(untagged, rename_all = "snake_case")]
+pub enum LiteralValue {
+    IInteger(i64),
+    Fractional(f64),
+    String(String),
+}
+
+impl From<Literal> for Value {
+    fn from(literal: Literal) -> Self {
+        Value::Literal(Box::new(literal))
+    }
+}
+
+impl From<LiteralValue> for JValue {
+    fn from(value: LiteralValue) -> Self {
+        match value {
+            LiteralValue::IInteger(x) => x.into(),
+            LiteralValue::Fractional(x) => x.into(),
+            LiteralValue::String(x) => x.into(),
+        }
+    }
+}
+
+impl From<f64> for LiteralValue {
+    fn from(value: f64) -> Self {
+        Self::Fractional(value)
+    }
+}
+
+impl From<i64> for LiteralValue {
+    fn from(value: i64) -> Self {
+        Self::IInteger(value)
+    }
+}
+
+impl From<String> for LiteralValue {
+    fn from(value: String) -> Self {
+        Self::String(value)
+    }
+}
+
+impl From<u32> for LiteralValue {
+    fn from(value: u32) -> Self {
+        Self::IInteger(value as i64)
+    }
+}
+impl From<u16> for LiteralValue {
+    fn from(value: u16) -> Self {
+        Self::IInteger(value as i64)
+    }
+}
+impl From<u8> for LiteralValue {
+    fn from(value: u8) -> Self {
+        Self::IInteger(value as i64)
+    }
+}
+impl From<&'static str> for LiteralValue {
+    fn from(value: &'static str) -> Self {
+        // TODO: Make this Cow<str>
+        Self::String(value.to_owned())
+    }
+}
--- a/src/wasm-lib/kcl/src/docs.rs
+++ b/src/wasm-lib/kcl/src/docs.rs
@ -193,7 +193,7 @@ pub trait StdLibFn: std::fmt::Debug + Send + Sync {
    }

    fn to_signature_help(&self) -> SignatureHelp {
-        // Fill this in based on the current positon of the cursor.
+        // Fill this in based on the current position of the cursor.
        let active_parameter = None;

        SignatureHelp {
--- a/src/wasm-lib/kcl/src/errors.rs
+++ b/src/wasm-lib/kcl/src/errors.rs
@ -8,6 +8,8 @@ use crate::executor::SourceRange;
 #[ts(export)]
 #[serde(tag = "kind", rename_all = "snake_case")]
 pub enum KclError {
+    #[error("lexical: {0:?}")]
+    Lexical(KclErrorDetails),
    #[error("syntax: {0:?}")]
    Syntax(KclErrorDetails),
    #[error("semantic: {0:?}")]
@ -26,6 +28,8 @@ pub enum KclError {
    InvalidExpression(KclErrorDetails),
    #[error("engine: {0:?}")]
    Engine(KclErrorDetails),
+    #[error("internal error, please report to KittyCAD team: {0:?}")]
+    Internal(KclErrorDetails),
 }

 #[derive(Debug, Serialize, Deserialize, ts_rs::TS, Clone)]
@ -40,20 +44,8 @@ pub struct KclErrorDetails {
 impl KclError {
    /// Get the error message, line and column from the error and input code.
    pub fn get_message_line_column(&self, input: &str) -> (String, Option<usize>, Option<usize>) {
-        let (type_, source_range, message) = match &self {
-            KclError::Syntax(e) => ("syntax", e.source_ranges.clone(), e.message.clone()),
-            KclError::Semantic(e) => ("semantic", e.source_ranges.clone(), e.message.clone()),
-            KclError::Type(e) => ("type", e.source_ranges.clone(), e.message.clone()),
-            KclError::Unimplemented(e) => ("unimplemented", e.source_ranges.clone(), e.message.clone()),
-            KclError::Unexpected(e) => ("unexpected", e.source_ranges.clone(), e.message.clone()),
-            KclError::ValueAlreadyDefined(e) => ("value already defined", e.source_ranges.clone(), e.message.clone()),
-            KclError::UndefinedValue(e) => ("undefined value", e.source_ranges.clone(), e.message.clone()),
-            KclError::InvalidExpression(e) => ("invalid expression", e.source_ranges.clone(), e.message.clone()),
-            KclError::Engine(e) => ("engine", e.source_ranges.clone(), e.message.clone()),
-        };
-
        // Calculate the line and column of the error from the source range.
-        let (line, column) = if let Some(range) = source_range.first() {
+        let (line, column) = if let Some(range) = self.source_ranges().first() {
            let line = input[..range.0[0]].lines().count();
            let column = input[..range.0[0]].lines().last().map(|l| l.len()).unwrap_or_default();

@ -62,11 +54,28 @@ impl KclError {
            (None, None)
        };

-        (format!("{}: {}", type_, message), line, column)
+        (format!("{}: {}", self.error_type(), self.message()), line, column)
+    }
+
+    pub fn error_type(&self) -> &'static str {
+        match self {
+            KclError::Lexical(_) => "lexical",
+            KclError::Syntax(_) => "syntax",
+            KclError::Semantic(_) => "semantic",
+            KclError::Type(_) => "type",
+            KclError::Unimplemented(_) => "unimplemented",
+            KclError::Unexpected(_) => "unexpected",
+            KclError::ValueAlreadyDefined(_) => "value already defined",
+            KclError::UndefinedValue(_) => "undefined value",
+            KclError::InvalidExpression(_) => "invalid expression",
+            KclError::Engine(_) => "engine",
+            KclError::Internal(_) => "internal",
+        }
    }

    pub fn source_ranges(&self) -> Vec<SourceRange> {
        match &self {
+            KclError::Lexical(e) => e.source_ranges.clone(),
            KclError::Syntax(e) => e.source_ranges.clone(),
            KclError::Semantic(e) => e.source_ranges.clone(),
            KclError::Type(e) => e.source_ranges.clone(),
@ -76,12 +85,14 @@ impl KclError {
            KclError::UndefinedValue(e) => e.source_ranges.clone(),
            KclError::InvalidExpression(e) => e.source_ranges.clone(),
            KclError::Engine(e) => e.source_ranges.clone(),
+            KclError::Internal(e) => e.source_ranges.clone(),
        }
    }

    /// Get the inner error message.
    pub fn message(&self) -> &str {
        match &self {
+            KclError::Lexical(e) => &e.message,
            KclError::Syntax(e) => &e.message,
            KclError::Semantic(e) => &e.message,
            KclError::Type(e) => &e.message,
@ -91,6 +102,7 @@ impl KclError {
            KclError::UndefinedValue(e) => &e.message,
            KclError::InvalidExpression(e) => &e.message,
            KclError::Engine(e) => &e.message,
+            KclError::Internal(e) => &e.message,
        }
    }

--- a/src/wasm-lib/kcl/src/executor.rs
+++ b/src/wasm-lib/kcl/src/executor.rs
@ -1,8 +1,9 @@
 //! The executor for the AST.

-use std::collections::HashMap;
+use std::{collections::HashMap, sync::Arc};

 use anyhow::Result;
+use async_recursion::async_recursion;
 use kittycad::types::{Color, ModelingCmd, Point3D};
 use parse_display::{Display, FromStr};
 use schemars::JsonSchema;
@ -10,9 +11,10 @@ use serde::{Deserialize, Serialize};
 use tower_lsp::lsp_types::{Position as LspPosition, Range as LspRange};

 use crate::{
-    ast::types::{BodyItem, Function, FunctionExpression, Value},
+    ast::types::{BodyItem, FunctionExpression, Value},
    engine::{EngineConnection, EngineManager},
    errors::{KclError, KclErrorDetails},
+    std::{FunctionKind, StdLib},
 };

 #[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
@ -183,7 +185,7 @@ impl DefaultPlanes {
                SourceRange::default(),
                ModelingCmd::MakePlane {
                    clobber: false,
-                    origin: default_origin.clone(),
+                    origin: default_origin,
                    size: default_size,
                    x_axis: Point3D { x: 1.0, y: 0.0, z: 0.0 },
                    y_axis: Point3D { x: 0.0, y: 1.0, z: 0.0 },
@ -216,7 +218,7 @@ impl DefaultPlanes {
                SourceRange::default(),
                ModelingCmd::MakePlane {
                    clobber: false,
-                    origin: default_origin.clone(),
+                    origin: default_origin,
                    size: default_size,
                    x_axis: Point3D { x: 0.0, y: 1.0, z: 0.0 },
                    y_axis: Point3D { x: 0.0, y: 0.0, z: 1.0 },
@ -347,27 +349,27 @@ impl MemoryItem {
        }
    }

+    /// If this memory item is a function, call it with the given arguments, return its val as Ok.
+    /// If it's not a function, return Err.
    pub async fn call_fn(
        &self,
        args: Vec<MemoryItem>,
        memory: ProgramMemory,
        ctx: ExecutorContext,
    ) -> Result<Option<ProgramReturn>, KclError> {
-        if let MemoryItem::Function { func, expression, meta } = &self {
-            if let Some(func) = func {
-                func(args, memory, expression.clone(), meta.clone(), ctx).await
-            } else {
-                Err(KclError::Semantic(KclErrorDetails {
-                    message: format!("Not a function: {:?}", expression),
-                    source_ranges: vec![],
-                }))
-            }
-        } else {
-            Err(KclError::Semantic(KclErrorDetails {
+        let MemoryItem::Function { func, expression, meta } = &self else {
+            return Err(KclError::Semantic(KclErrorDetails {
                message: "not a in memory function".to_string(),
                source_ranges: vec![],
-            }))
-        }
+            }));
+        };
+        let Some(func) = func else {
+            return Err(KclError::Semantic(KclErrorDetails {
+                message: format!("Not a function: {:?}", expression),
+                source_ranges: vec![],
+            }));
+        };
+        func(args, memory, expression.clone(), meta.clone(), ctx).await
    }
 }

@ -776,9 +778,11 @@ impl Default for PipeInfo {
 pub struct ExecutorContext {
    pub engine: EngineConnection,
    pub planes: DefaultPlanes,
+    pub stdlib: Arc<StdLib>,
 }

 /// Execute a AST's program.
+#[async_recursion(?Send)]
 pub async fn execute(
    program: crate::ast::types::Program,
    memory: &mut ProgramMemory,
@ -826,24 +830,37 @@ pub async fn execute(
                        }
                    }
                    let _show_fn = Box::new(crate::std::Show);
-                    if let Function::StdLib { func: _show_fn } = &call_expr.function {
-                        if options != BodyType::Root {
-                            return Err(KclError::Semantic(KclErrorDetails {
-                                message: "Cannot call show outside of a root".to_string(),
-                                source_ranges: vec![call_expr.into()],
-                            }));
+                    match ctx.stdlib.get_either(&call_expr.callee.name) {
+                        FunctionKind::Core(func) => {
+                            use crate::docs::StdLibFn;
+                            if func.name() == _show_fn.name() {
+                                if options != BodyType::Root {
+                                    return Err(KclError::Semantic(KclErrorDetails {
+                                        message: "Cannot call show outside of a root".to_string(),
+                                        source_ranges: vec![call_expr.into()],
+                                    }));
+                                }
+
+                                memory.return_ = Some(ProgramReturn::Arguments(call_expr.arguments.clone()));
+                            }
                        }
+                        FunctionKind::Std(func) => {
+                            let mut newmem = memory.clone();
+                            let result = execute(func.program().to_owned(), &mut newmem, BodyType::Block, ctx).await?;
+                            memory.return_ = result.return_;
+                        }
+                        FunctionKind::UserDefined => {
+                            if let Some(func) = memory.clone().root.get(&fn_name) {
+                                let result = func.call_fn(args.clone(), memory.clone(), ctx.clone()).await?;

-                        memory.return_ = Some(ProgramReturn::Arguments(call_expr.arguments.clone()));
-                    } else if let Some(func) = memory.clone().root.get(&fn_name) {
-                        let result = func.call_fn(args.clone(), memory.clone(), ctx.clone()).await?;
-
-                        memory.return_ = result;
-                    } else {
-                        return Err(KclError::Semantic(KclErrorDetails {
-                            message: format!("No such name {} defined", fn_name),
-                            source_ranges: vec![call_expr.into()],
-                        }));
+                                memory.return_ = result;
+                            } else {
+                                return Err(KclError::Semantic(KclErrorDetails {
+                                    message: format!("No such name {} defined", fn_name),
+                                    source_ranges: vec![call_expr.into()],
+                                }));
+                            }
+                        }
                    }
                }
            }
@ -1011,7 +1028,11 @@ mod tests {
        let mut mem: ProgramMemory = Default::default();
        let engine = EngineConnection::new().await?;
        let planes = DefaultPlanes::new(&engine).await?;
-        let ctx = ExecutorContext { engine, planes };
+        let ctx = ExecutorContext {
+            engine,
+            planes,
+            stdlib: Arc::new(StdLib::default()),
+        };
        let memory = execute(program, &mut mem, BodyType::Root, &ctx).await?;

        Ok(memory)
--- a/src/wasm-lib/kcl/src/lib.rs
+++ b/src/wasm-lib/kcl/src/lib.rs
@ -5,7 +5,6 @@ pub mod docs;
 pub mod engine;
 pub mod errors;
 pub mod executor;
-pub mod math_parser;
 pub mod parser;
 pub mod server;
 pub mod std;
--- a/src/wasm-lib/kcl/src/math_parser.rs
+++ b/src/wasm-lib/kcl/src/math_parser.rs
--- a/src/wasm-lib/kcl/src/parser.rs
+++ b/src/wasm-lib/kcl/src/parser.rs
--- a/src/wasm-lib/kcl/src/parser/math.rs
+++ b/src/wasm-lib/kcl/src/parser/math.rs
@ -0,0 +1,163 @@
+use crate::{
+    ast::types::{BinaryExpression, BinaryOperator, BinaryPart},
+    errors::{KclError, KclErrorDetails},
+    executor::SourceRange,
+};
+
+/// Parses a list of tokens (in infix order, i.e. as the user typed them)
+/// into a binary expression tree.
+pub fn parse(infix_tokens: Vec<BinaryExpressionToken>) -> Result<BinaryExpression, KclError> {
+    let rpn = postfix(infix_tokens);
+    evaluate(rpn)
+}
+
+/// Parses a list of tokens (in postfix order) into a binary expression tree.
+fn evaluate(rpn: Vec<BinaryExpressionToken>) -> Result<BinaryExpression, KclError> {
+    let source_ranges = source_range(&rpn);
+    let mut operand_stack: Vec<BinaryPart> = Vec::new();
+    let e = KclError::Internal(KclErrorDetails {
+        source_ranges,
+        message: "error parsing binary math expressions".to_owned(),
+    });
+    for item in rpn {
+        let expr = match item {
+            BinaryExpressionToken::Operator(operator) => {
+                let Some(right) = operand_stack.pop() else {
+                    return Err(e);
+                };
+                let Some(left) = operand_stack.pop() else {
+                    return Err(e);
+                };
+                BinaryPart::BinaryExpression(Box::new(BinaryExpression {
+                    start: left.start(),
+                    end: right.end(),
+                    operator,
+                    left,
+                    right,
+                }))
+            }
+            BinaryExpressionToken::Operand(o) => o,
+        };
+        operand_stack.push(expr)
+    }
+    if let Some(BinaryPart::BinaryExpression(expr)) = operand_stack.pop() {
+        Ok(*expr)
+    } else {
+        // If this branch is used, the evaluation algorithm has a bug and must be fixed.
+        // This is a programmer error, not a user error.
+        Err(e)
+    }
+}
+
+fn source_range(tokens: &[BinaryExpressionToken]) -> Vec<SourceRange> {
+    let sources: Vec<_> = tokens
+        .iter()
+        .filter_map(|op| match op {
+            BinaryExpressionToken::Operator(_) => None,
+            BinaryExpressionToken::Operand(o) => Some((o.start(), o.end())),
+        })
+        .collect();
+    match (sources.first(), sources.last()) {
+        (Some((start, _)), Some((_, end))) => vec![SourceRange([*start, *end])],
+        _ => Vec::new(),
+    }
+}
+
+/// Reorders tokens from infix order to postfix order.
+fn postfix(infix: Vec<BinaryExpressionToken>) -> Vec<BinaryExpressionToken> {
+    let mut operator_stack: Vec<BinaryOperator> = Vec::with_capacity(infix.len());
+    let mut output = Vec::with_capacity(infix.len());
+    for token in infix {
+        match token {
+            BinaryExpressionToken::Operator(o1) => {
+                // From https://en.wikipedia.org/wiki/Shunting_yard_algorithm:
+                // while (
+                //     there is an operator o2 at the top of the operator stack which is not a left parenthesis,
+                //     and (o2 has greater precedence than o1 or (o1 and o2 have the same precedence and o1 is left-associative))
+                // )
+                // pop o2 from the operator stack into the output queue
+                while let Some(o2) = operator_stack.pop() {
+                    if (o2.precedence() > o1.precedence())
+                        || o1.precedence() == o2.precedence() && o1.associativity().is_left()
+                    {
+                        output.push(BinaryExpressionToken::Operator(o2));
+                    } else {
+                        operator_stack.push(o2);
+                        break;
+                    }
+                }
+                operator_stack.push(o1);
+            }
+            o @ BinaryExpressionToken::Operand(_) => output.push(o),
+        }
+    }
+    // After the while loop, pop the remaining items from the operator stack into the output queue.
+    output.extend(operator_stack.into_iter().rev().map(BinaryExpressionToken::Operator));
+    output
+}
+
+/// Expressions are made up of operators and operands.
+#[derive(PartialEq, Debug)]
+pub enum BinaryExpressionToken {
+    Operator(BinaryOperator),
+    Operand(BinaryPart),
+}
+
+impl From<BinaryPart> for BinaryExpressionToken {
+    fn from(value: BinaryPart) -> Self {
+        Self::Operand(value)
+    }
+}
+
+impl From<BinaryOperator> for BinaryExpressionToken {
+    fn from(value: BinaryOperator) -> Self {
+        Self::Operator(value)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::ast::types::Literal;
+
+    use super::*;
+
+    #[test]
+    fn parse_and_evaluate() {
+        /// Make a literal
+        fn lit(n: u8) -> BinaryPart {
+            BinaryPart::Literal(Box::new(Literal {
+                start: 0,
+                end: 0,
+                value: n.into(),
+                raw: n.to_string(),
+            }))
+        }
+        let tests: Vec<Vec<BinaryExpressionToken>> = vec![
+            // 3 + 4 × 2 ÷ ( 1 − 5 ) ^ 2 ^ 3
+            vec![
+                lit(3).into(),
+                BinaryOperator::Add.into(),
+                lit(4).into(),
+                BinaryOperator::Mul.into(),
+                lit(2).into(),
+                BinaryOperator::Div.into(),
+                BinaryPart::BinaryExpression(Box::new(BinaryExpression {
+                    start: 0,
+                    end: 0,
+                    operator: BinaryOperator::Sub,
+                    left: lit(1),
+                    right: lit(5),
+                }))
+                .into(),
+                BinaryOperator::Pow.into(),
+                lit(2).into(),
+                BinaryOperator::Pow.into(),
+                lit(3).into(),
+            ],
+        ];
+        for infix_input in tests {
+            let rpn = postfix(infix_input);
+            let _tree = evaluate(rpn).unwrap();
+        }
+    }
+}
--- a/src/wasm-lib/kcl/src/parser/parser_impl.rs
+++ b/src/wasm-lib/kcl/src/parser/parser_impl.rs
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__a.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__a.snap
@ -0,0 +1,26 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 5,
+  "operator": "+",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 4,
+    "end": 5,
+    "value": 2,
+    "raw": "2"
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__b.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__b.snap
@ -0,0 +1,26 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 3,
+  "operator": "+",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 2,
+    "end": 3,
+    "value": 2,
+    "raw": "2"
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__c.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__c.snap
@ -0,0 +1,26 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 4,
+  "operator": "-",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 3,
+    "end": 4,
+    "value": 2,
+    "raw": "2"
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__d.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__d.snap
@ -0,0 +1,41 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 9,
+  "operator": "+",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 4,
+    "end": 9,
+    "operator": "*",
+    "left": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 4,
+      "end": 5,
+      "value": 2,
+      "raw": "2"
+    },
+    "right": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 8,
+      "end": 9,
+      "value": 3,
+      "raw": "3"
+    }
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__e.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__e.snap
@ -0,0 +1,41 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 11,
+  "operator": "*",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 6,
+    "end": 11,
+    "operator": "+",
+    "left": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 6,
+      "end": 7,
+      "value": 2,
+      "raw": "2"
+    },
+    "right": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 10,
+      "end": 11,
+      "value": 3,
+      "raw": "3"
+    }
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__f.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__f.snap
@ -0,0 +1,56 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 17,
+  "operator": "/",
+  "left": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 0,
+    "end": 11,
+    "operator": "*",
+    "left": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 0,
+      "end": 1,
+      "value": 1,
+      "raw": "1"
+    },
+    "right": {
+      "type": "BinaryExpression",
+      "type": "BinaryExpression",
+      "start": 6,
+      "end": 11,
+      "operator": "+",
+      "left": {
+        "type": "Literal",
+        "type": "Literal",
+        "start": 6,
+        "end": 7,
+        "value": 2,
+        "raw": "2"
+      },
+      "right": {
+        "type": "Literal",
+        "type": "Literal",
+        "start": 10,
+        "end": 11,
+        "value": 3,
+        "raw": "3"
+      }
+    }
+  },
+  "right": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 16,
+    "end": 17,
+    "value": 4,
+    "raw": "4"
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__g.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__g.snap
@ -0,0 +1,56 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 17,
+  "operator": "+",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 6,
+    "end": 17,
+    "operator": "/",
+    "left": {
+      "type": "BinaryExpression",
+      "type": "BinaryExpression",
+      "start": 6,
+      "end": 11,
+      "operator": "+",
+      "left": {
+        "type": "Literal",
+        "type": "Literal",
+        "start": 6,
+        "end": 7,
+        "value": 2,
+        "raw": "2"
+      },
+      "right": {
+        "type": "Literal",
+        "type": "Literal",
+        "start": 10,
+        "end": 11,
+        "value": 3,
+        "raw": "3"
+      }
+    },
+    "right": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 16,
+      "end": 17,
+      "value": 4,
+      "raw": "4"
+    }
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__h.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__h.snap
@ -0,0 +1,71 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 22,
+  "operator": "*",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 7,
+    "end": 22,
+    "operator": "+",
+    "left": {
+      "type": "BinaryExpression",
+      "type": "BinaryExpression",
+      "start": 7,
+      "end": 18,
+      "operator": "/",
+      "left": {
+        "type": "BinaryExpression",
+        "type": "BinaryExpression",
+        "start": 7,
+        "end": 12,
+        "operator": "+",
+        "left": {
+          "type": "Literal",
+          "type": "Literal",
+          "start": 7,
+          "end": 8,
+          "value": 2,
+          "raw": "2"
+        },
+        "right": {
+          "type": "Literal",
+          "type": "Literal",
+          "start": 11,
+          "end": 12,
+          "value": 3,
+          "raw": "3"
+        }
+      },
+      "right": {
+        "type": "Literal",
+        "type": "Literal",
+        "start": 17,
+        "end": 18,
+        "value": 4,
+        "raw": "4"
+      }
+    },
+    "right": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 21,
+      "end": 22,
+      "value": 5,
+      "raw": "5"
+    }
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__i.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__i.snap
@ -0,0 +1,41 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 13,
+  "operator": "*",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 1,
+    "raw": "1"
+  },
+  "right": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 8,
+    "end": 13,
+    "operator": "+",
+    "left": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 8,
+      "end": 9,
+      "value": 2,
+      "raw": "2"
+    },
+    "right": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 12,
+      "end": 13,
+      "value": 3,
+      "raw": "3"
+    }
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__j.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__j.snap
@ -0,0 +1,81 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 44,
+  "operator": "/",
+  "left": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 0,
+    "end": 22,
+    "operator": "*",
+    "left": {
+      "type": "BinaryExpression",
+      "type": "BinaryExpression",
+      "start": 0,
+      "end": 18,
+      "operator": "*",
+      "left": {
+        "type": "BinaryExpression",
+        "type": "BinaryExpression",
+        "start": 0,
+        "end": 12,
+        "operator": "*",
+        "left": {
+          "type": "Identifier",
+          "type": "Identifier",
+          "start": 0,
+          "end": 8,
+          "name": "distance"
+        },
+        "right": {
+          "type": "Identifier",
+          "type": "Identifier",
+          "start": 11,
+          "end": 12,
+          "name": "p"
+        }
+      },
+      "right": {
+        "type": "Identifier",
+        "type": "Identifier",
+        "start": 15,
+        "end": 18,
+        "name": "FOS"
+      }
+    },
+    "right": {
+      "type": "Literal",
+      "type": "Literal",
+      "start": 21,
+      "end": 22,
+      "value": 6,
+      "raw": "6"
+    }
+  },
+  "right": {
+    "type": "BinaryExpression",
+    "type": "BinaryExpression",
+    "start": 26,
+    "end": 44,
+    "operator": "*",
+    "left": {
+      "type": "Identifier",
+      "type": "Identifier",
+      "start": 26,
+      "end": 36,
+      "name": "sigmaAllow"
+    },
+    "right": {
+      "type": "Identifier",
+      "type": "Identifier",
+      "start": 39,
+      "end": 44,
+      "name": "width"
+    }
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__k.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_math_tests__k.snap
@ -0,0 +1,26 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "type": "BinaryExpression",
+  "start": 0,
+  "end": 8,
+  "operator": "+",
+  "left": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 0,
+    "end": 1,
+    "value": 2,
+    "raw": "2"
+  },
+  "right": {
+    "type": "Literal",
+    "type": "Literal",
+    "start": 7,
+    "end": 8,
+    "value": 3,
+    "raw": "3"
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__a.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__a.snap
@ -0,0 +1,263 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 144,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 143,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 143,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 15,
+            "name": "boxSketch"
+          },
+          "init": {
+            "type": "PipeExpression",
+            "type": "PipeExpression",
+            "start": 18,
+            "end": 143,
+            "body": [
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 18,
+                "end": 39,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 18,
+                  "end": 31,
+                  "name": "startSketchAt"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 32,
+                    "end": 38,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 33,
+                        "end": 34,
+                        "value": 0,
+                        "raw": "0"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 36,
+                        "end": 37,
+                        "value": 0,
+                        "raw": "0"
+                      }
+                    ]
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 47,
+                "end": 63,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 47,
+                  "end": 51,
+                  "name": "line"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 52,
+                    "end": 59,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 53,
+                        "end": 54,
+                        "value": 0,
+                        "raw": "0"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 56,
+                        "end": 58,
+                        "value": 10,
+                        "raw": "10"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 61,
+                    "end": 62
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 71,
+                "end": 96,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 71,
+                  "end": 84,
+                  "name": "tangentialArc"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 85,
+                    "end": 92,
+                    "elements": [
+                      {
+                        "type": "UnaryExpression",
+                        "type": "UnaryExpression",
+                        "start": 86,
+                        "end": 88,
+                        "operator": "-",
+                        "argument": {
+                          "type": "Literal",
+                          "type": "Literal",
+                          "start": 87,
+                          "end": 88,
+                          "value": 5,
+                          "raw": "5"
+                        }
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 90,
+                        "end": 91,
+                        "value": 5,
+                        "raw": "5"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 94,
+                    "end": 95
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 104,
+                "end": 121,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 104,
+                  "end": 108,
+                  "name": "line"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 109,
+                    "end": 117,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 110,
+                        "end": 111,
+                        "value": 5,
+                        "raw": "5"
+                      },
+                      {
+                        "type": "UnaryExpression",
+                        "type": "UnaryExpression",
+                        "start": 113,
+                        "end": 116,
+                        "operator": "-",
+                        "argument": {
+                          "type": "Literal",
+                          "type": "Literal",
+                          "start": 114,
+                          "end": 116,
+                          "value": 15,
+                          "raw": "15"
+                        }
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 119,
+                    "end": 120
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 129,
+                "end": 143,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 129,
+                  "end": 136,
+                  "name": "extrude"
+                },
+                "arguments": [
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 137,
+                    "end": 139,
+                    "value": 10,
+                    "raw": "10"
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 141,
+                    "end": 142
+                  }
+                ],
+                "optional": false
+              }
+            ],
+            "nonCodeMeta": {
+              "nonCodeNodes": {},
+              "start": []
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__aa.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__aa.snap
@ -0,0 +1,48 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 17,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 17,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 17,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 8,
+            "name": "sg"
+          },
+          "init": {
+            "type": "UnaryExpression",
+            "type": "UnaryExpression",
+            "start": 11,
+            "end": 17,
+            "operator": "-",
+            "argument": {
+              "type": "Identifier",
+              "type": "Identifier",
+              "start": 12,
+              "end": 17,
+              "name": "scale"
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ab.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ab.snap
@ -0,0 +1,85 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 23,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 23,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 23,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 6,
+          "name": "lineTo"
+        },
+        "arguments": [
+          {
+            "type": "ObjectExpression",
+            "type": "ObjectExpression",
+            "start": 7,
+            "end": 22,
+            "properties": [
+              {
+                "type": "ObjectProperty",
+                "start": 9,
+                "end": 20,
+                "key": {
+                  "type": "Identifier",
+                  "start": 9,
+                  "end": 11,
+                  "name": "to"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 13,
+                  "end": 20,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 14,
+                      "end": 15,
+                      "value": 0,
+                      "raw": "0"
+                    },
+                    {
+                      "type": "UnaryExpression",
+                      "type": "UnaryExpression",
+                      "start": 17,
+                      "end": 19,
+                      "operator": "-",
+                      "argument": {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 18,
+                        "end": 19,
+                        "value": 1,
+                        "raw": "1"
+                      }
+                    }
+                  ]
+                }
+              }
+            ]
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ac.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ac.snap
@ -0,0 +1,130 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 23,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 23,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 23,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 13,
+            "name": "myArray"
+          },
+          "init": {
+            "type": "ArrayExpression",
+            "type": "ArrayExpression",
+            "start": 16,
+            "end": 23,
+            "elements": [
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 0,
+                "raw": "0"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 1,
+                "raw": "1"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 2,
+                "raw": "2"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 3,
+                "raw": "3"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 4,
+                "raw": "4"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 5,
+                "raw": "5"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 6,
+                "raw": "6"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 7,
+                "raw": "7"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 8,
+                "raw": "8"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 9,
+                "raw": "9"
+              },
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 17,
+                "end": 18,
+                "value": 10,
+                "raw": "10"
+              }
+            ]
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ad.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ad.snap
@ -0,0 +1,85 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 80,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 5,
+      "end": 57,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 8,
+          "end": 57,
+          "id": {
+            "type": "Identifier",
+            "start": 8,
+            "end": 24,
+            "name": "firstPrimeNumber"
+          },
+          "init": {
+            "type": "FunctionExpression",
+            "type": "FunctionExpression",
+            "start": 27,
+            "end": 57,
+            "params": [],
+            "body": {
+              "start": 33,
+              "end": 57,
+              "body": [
+                {
+                  "type": "ReturnStatement",
+                  "type": "ReturnStatement",
+                  "start": 43,
+                  "end": 51,
+                  "argument": {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 50,
+                    "end": 51,
+                    "value": 2,
+                    "raw": "2"
+                  }
+                }
+              ],
+              "nonCodeMeta": {
+                "nonCodeNodes": {},
+                "start": []
+              }
+            }
+          }
+        }
+      ],
+      "kind": "fn"
+    },
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 62,
+      "end": 80,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 62,
+        "end": 80,
+        "callee": {
+          "type": "Identifier",
+          "start": 62,
+          "end": 78,
+          "name": "firstPrimeNumber"
+        },
+        "arguments": [],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ae.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ae.snap
@ -0,0 +1,99 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 66,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 49,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 3,
+          "end": 49,
+          "id": {
+            "type": "Identifier",
+            "start": 3,
+            "end": 8,
+            "name": "thing"
+          },
+          "init": {
+            "type": "FunctionExpression",
+            "type": "FunctionExpression",
+            "start": 11,
+            "end": 49,
+            "params": [
+              {
+                "type": "Identifier",
+                "start": 12,
+                "end": 17,
+                "name": "param"
+              }
+            ],
+            "body": {
+              "start": 22,
+              "end": 49,
+              "body": [
+                {
+                  "type": "ReturnStatement",
+                  "type": "ReturnStatement",
+                  "start": 32,
+                  "end": 43,
+                  "argument": {
+                    "type": "Identifier",
+                    "type": "Identifier",
+                    "start": 39,
+                    "end": 43,
+                    "name": "true"
+                  }
+                }
+              ],
+              "nonCodeMeta": {
+                "nonCodeNodes": {},
+                "start": []
+              }
+            }
+          }
+        }
+      ],
+      "kind": "fn"
+    },
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 54,
+      "end": 66,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 54,
+        "end": 66,
+        "callee": {
+          "type": "Identifier",
+          "start": 54,
+          "end": 59,
+          "name": "thing"
+        },
+        "arguments": [
+          {
+            "type": "Identifier",
+            "type": "Identifier",
+            "start": 60,
+            "end": 65,
+            "name": "false"
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__af.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__af.snap
@ -0,0 +1,317 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 192,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 192,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 192,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 14,
+            "name": "mySketch"
+          },
+          "init": {
+            "type": "PipeExpression",
+            "type": "PipeExpression",
+            "start": 17,
+            "end": 192,
+            "body": [
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 17,
+                "end": 37,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 17,
+                  "end": 30,
+                  "name": "startSketchAt"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 31,
+                    "end": 36,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 32,
+                        "end": 33,
+                        "value": 0,
+                        "raw": "0"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 34,
+                        "end": 35,
+                        "value": 0,
+                        "raw": "0"
+                      }
+                    ]
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 49,
+                "end": 89,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 49,
+                  "end": 55,
+                  "name": "lineTo"
+                },
+                "arguments": [
+                  {
+                    "type": "ObjectExpression",
+                    "type": "ObjectExpression",
+                    "start": 56,
+                    "end": 85,
+                    "properties": [
+                      {
+                        "type": "ObjectProperty",
+                        "start": 58,
+                        "end": 68,
+                        "key": {
+                          "type": "Identifier",
+                          "start": 58,
+                          "end": 60,
+                          "name": "to"
+                        },
+                        "value": {
+                          "type": "ArrayExpression",
+                          "type": "ArrayExpression",
+                          "start": 62,
+                          "end": 68,
+                          "elements": [
+                            {
+                              "type": "Literal",
+                              "type": "Literal",
+                              "start": 63,
+                              "end": 64,
+                              "value": 0,
+                              "raw": "0"
+                            },
+                            {
+                              "type": "Literal",
+                              "type": "Literal",
+                              "start": 66,
+                              "end": 67,
+                              "value": 1,
+                              "raw": "1"
+                            }
+                          ]
+                        }
+                      },
+                      {
+                        "type": "ObjectProperty",
+                        "start": 70,
+                        "end": 83,
+                        "key": {
+                          "type": "Identifier",
+                          "start": 70,
+                          "end": 73,
+                          "name": "tag"
+                        },
+                        "value": {
+                          "type": "Literal",
+                          "type": "Literal",
+                          "start": 75,
+                          "end": 83,
+                          "value": "myPath",
+                          "raw": "'myPath'"
+                        }
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 87,
+                    "end": 88
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 101,
+                "end": 118,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 101,
+                  "end": 107,
+                  "name": "lineTo"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 108,
+                    "end": 114,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 109,
+                        "end": 110,
+                        "value": 1,
+                        "raw": "1"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 112,
+                        "end": 113,
+                        "value": 1,
+                        "raw": "1"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 116,
+                    "end": 117
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 130,
+                "end": 172,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 130,
+                  "end": 136,
+                  "name": "lineTo"
+                },
+                "arguments": [
+                  {
+                    "type": "ObjectExpression",
+                    "type": "ObjectExpression",
+                    "start": 137,
+                    "end": 168,
+                    "properties": [
+                      {
+                        "type": "ObjectProperty",
+                        "start": 139,
+                        "end": 148,
+                        "key": {
+                          "type": "Identifier",
+                          "start": 139,
+                          "end": 141,
+                          "name": "to"
+                        },
+                        "value": {
+                          "type": "ArrayExpression",
+                          "type": "ArrayExpression",
+                          "start": 143,
+                          "end": 148,
+                          "elements": [
+                            {
+                              "type": "Literal",
+                              "type": "Literal",
+                              "start": 144,
+                              "end": 145,
+                              "value": 1,
+                              "raw": "1"
+                            },
+                            {
+                              "type": "Literal",
+                              "type": "Literal",
+                              "start": 146,
+                              "end": 147,
+                              "value": 0,
+                              "raw": "0"
+                            }
+                          ]
+                        }
+                      },
+                      {
+                        "type": "ObjectProperty",
+                        "start": 150,
+                        "end": 166,
+                        "key": {
+                          "type": "Identifier",
+                          "start": 150,
+                          "end": 153,
+                          "name": "tag"
+                        },
+                        "value": {
+                          "type": "Literal",
+                          "type": "Literal",
+                          "start": 155,
+                          "end": 166,
+                          "value": "rightPath",
+                          "raw": "\"rightPath\""
+                        }
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 170,
+                    "end": 171
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 184,
+                "end": 192,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 184,
+                  "end": 189,
+                  "name": "close"
+                },
+                "arguments": [
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 190,
+                    "end": 191
+                  }
+                ],
+                "optional": false
+              }
+            ],
+            "nonCodeMeta": {
+              "nonCodeNodes": {},
+              "start": []
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ag.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ag.snap
@ -0,0 +1,151 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 70,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 70,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 70,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 14,
+            "name": "mySketch"
+          },
+          "init": {
+            "type": "PipeExpression",
+            "type": "PipeExpression",
+            "start": 17,
+            "end": 70,
+            "body": [
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 17,
+                "end": 37,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 17,
+                  "end": 30,
+                  "name": "startSketchAt"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 31,
+                    "end": 36,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 32,
+                        "end": 33,
+                        "value": 0,
+                        "raw": "0"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 34,
+                        "end": 35,
+                        "value": 0,
+                        "raw": "0"
+                      }
+                    ]
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 41,
+                "end": 58,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 41,
+                  "end": 47,
+                  "name": "lineTo"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 48,
+                    "end": 54,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 49,
+                        "end": 50,
+                        "value": 1,
+                        "raw": "1"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 52,
+                        "end": 53,
+                        "value": 1,
+                        "raw": "1"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 56,
+                    "end": 57
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 62,
+                "end": 70,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 62,
+                  "end": 67,
+                  "name": "close"
+                },
+                "arguments": [
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 68,
+                    "end": 69
+                  }
+                ],
+                "optional": false
+              }
+            ],
+            "nonCodeMeta": {
+              "nonCodeNodes": {},
+              "start": []
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ah.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ah.snap
@ -0,0 +1,56 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 30,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 30,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 30,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 11,
+            "name": "myBox"
+          },
+          "init": {
+            "type": "CallExpression",
+            "type": "CallExpression",
+            "start": 14,
+            "end": 30,
+            "callee": {
+              "type": "Identifier",
+              "start": 14,
+              "end": 27,
+              "name": "startSketchAt"
+            },
+            "arguments": [
+              {
+                "type": "Identifier",
+                "type": "Identifier",
+                "start": 28,
+                "end": 29,
+                "name": "p"
+              }
+            ],
+            "optional": false
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ai.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ai.snap
@ -0,0 +1,92 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 26,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 26,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 26,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 11,
+            "name": "myBox"
+          },
+          "init": {
+            "type": "PipeExpression",
+            "type": "PipeExpression",
+            "start": 14,
+            "end": 26,
+            "body": [
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 14,
+                "end": 18,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 14,
+                  "end": 15,
+                  "name": "f"
+                },
+                "arguments": [
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 16,
+                    "end": 17,
+                    "value": 1,
+                    "raw": "1"
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 22,
+                "end": 26,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 22,
+                  "end": 23,
+                  "name": "g"
+                },
+                "arguments": [
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 24,
+                    "end": 25,
+                    "value": 2,
+                    "raw": "2"
+                  }
+                ],
+                "optional": false
+              }
+            ],
+            "nonCodeMeta": {
+              "nonCodeNodes": {},
+              "start": []
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__aj.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__aj.snap
@ -0,0 +1,112 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 49,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 49,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 49,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 11,
+            "name": "myBox"
+          },
+          "init": {
+            "type": "PipeExpression",
+            "type": "PipeExpression",
+            "start": 14,
+            "end": 49,
+            "body": [
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 14,
+                "end": 30,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 14,
+                  "end": 27,
+                  "name": "startSketchAt"
+                },
+                "arguments": [
+                  {
+                    "type": "Identifier",
+                    "type": "Identifier",
+                    "start": 28,
+                    "end": 29,
+                    "name": "p"
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 34,
+                "end": 49,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 34,
+                  "end": 38,
+                  "name": "line"
+                },
+                "arguments": [
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 39,
+                    "end": 45,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 40,
+                        "end": 41,
+                        "value": 0,
+                        "raw": "0"
+                      },
+                      {
+                        "type": "Identifier",
+                        "type": "Identifier",
+                        "start": 43,
+                        "end": 44,
+                        "name": "l"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 47,
+                    "end": 48
+                  }
+                ],
+                "optional": false
+              }
+            ],
+            "nonCodeMeta": {
+              "nonCodeNodes": {},
+              "start": []
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ak.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ak.snap
@ -0,0 +1,78 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 22,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 22,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 22,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 6,
+          "name": "lineTo"
+        },
+        "arguments": [
+          {
+            "type": "ObjectExpression",
+            "type": "ObjectExpression",
+            "start": 7,
+            "end": 21,
+            "properties": [
+              {
+                "type": "ObjectProperty",
+                "start": 9,
+                "end": 19,
+                "key": {
+                  "type": "Identifier",
+                  "start": 9,
+                  "end": 11,
+                  "name": "to"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 13,
+                  "end": 19,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 14,
+                      "end": 15,
+                      "value": 0,
+                      "raw": "0"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 17,
+                      "end": 18,
+                      "value": 1,
+                      "raw": "1"
+                    }
+                  ]
+                }
+              }
+            ]
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__al.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__al.snap
@ -0,0 +1,113 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 36,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 36,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 36,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 6,
+          "name": "lineTo"
+        },
+        "arguments": [
+          {
+            "type": "ObjectExpression",
+            "type": "ObjectExpression",
+            "start": 7,
+            "end": 35,
+            "properties": [
+              {
+                "type": "ObjectProperty",
+                "start": 9,
+                "end": 19,
+                "key": {
+                  "type": "Identifier",
+                  "start": 9,
+                  "end": 11,
+                  "name": "to"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 13,
+                  "end": 19,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 14,
+                      "end": 15,
+                      "value": 0,
+                      "raw": "0"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 17,
+                      "end": 18,
+                      "value": 1,
+                      "raw": "1"
+                    }
+                  ]
+                }
+              },
+              {
+                "type": "ObjectProperty",
+                "start": 21,
+                "end": 33,
+                "key": {
+                  "type": "Identifier",
+                  "start": 21,
+                  "end": 25,
+                  "name": "from"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 27,
+                  "end": 33,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 28,
+                      "end": 29,
+                      "value": 3,
+                      "raw": "3"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 31,
+                      "end": 32,
+                      "value": 3,
+                      "raw": "3"
+                    }
+                  ]
+                }
+              }
+            ]
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__am.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__am.snap
@ -0,0 +1,78 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 19,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 19,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 19,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 6,
+          "name": "lineTo"
+        },
+        "arguments": [
+          {
+            "type": "ObjectExpression",
+            "type": "ObjectExpression",
+            "start": 7,
+            "end": 18,
+            "properties": [
+              {
+                "type": "ObjectProperty",
+                "start": 8,
+                "end": 17,
+                "key": {
+                  "type": "Identifier",
+                  "start": 8,
+                  "end": 10,
+                  "name": "to"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 11,
+                  "end": 17,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 12,
+                      "end": 13,
+                      "value": 0,
+                      "raw": "0"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 15,
+                      "end": 16,
+                      "value": 1,
+                      "raw": "1"
+                    }
+                  ]
+                }
+              }
+            ]
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__an.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__an.snap
@ -0,0 +1,113 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 35,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 35,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 35,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 6,
+          "name": "lineTo"
+        },
+        "arguments": [
+          {
+            "type": "ObjectExpression",
+            "type": "ObjectExpression",
+            "start": 7,
+            "end": 34,
+            "properties": [
+              {
+                "type": "ObjectProperty",
+                "start": 9,
+                "end": 19,
+                "key": {
+                  "type": "Identifier",
+                  "start": 9,
+                  "end": 11,
+                  "name": "to"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 13,
+                  "end": 19,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 14,
+                      "end": 15,
+                      "value": 0,
+                      "raw": "0"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 17,
+                      "end": 18,
+                      "value": 1,
+                      "raw": "1"
+                    }
+                  ]
+                }
+              },
+              {
+                "type": "ObjectProperty",
+                "start": 21,
+                "end": 33,
+                "key": {
+                  "type": "Identifier",
+                  "start": 21,
+                  "end": 25,
+                  "name": "from"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 27,
+                  "end": 33,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 28,
+                      "end": 29,
+                      "value": 3,
+                      "raw": "3"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 31,
+                      "end": 32,
+                      "value": 3,
+                      "raw": "3"
+                    }
+                  ]
+                }
+              }
+            ]
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ao.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ao.snap
@ -0,0 +1,113 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 35,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 35,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 35,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 6,
+          "name": "lineTo"
+        },
+        "arguments": [
+          {
+            "type": "ObjectExpression",
+            "type": "ObjectExpression",
+            "start": 7,
+            "end": 34,
+            "properties": [
+              {
+                "type": "ObjectProperty",
+                "start": 9,
+                "end": 19,
+                "key": {
+                  "type": "Identifier",
+                  "start": 9,
+                  "end": 11,
+                  "name": "to"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 13,
+                  "end": 19,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 14,
+                      "end": 15,
+                      "value": 0,
+                      "raw": "0"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 17,
+                      "end": 18,
+                      "value": 1,
+                      "raw": "1"
+                    }
+                  ]
+                }
+              },
+              {
+                "type": "ObjectProperty",
+                "start": 20,
+                "end": 32,
+                "key": {
+                  "type": "Identifier",
+                  "start": 20,
+                  "end": 24,
+                  "name": "from"
+                },
+                "value": {
+                  "type": "ArrayExpression",
+                  "type": "ArrayExpression",
+                  "start": 26,
+                  "end": 32,
+                  "elements": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 27,
+                      "end": 28,
+                      "value": 3,
+                      "raw": "3"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 30,
+                      "end": 31,
+                      "value": 3,
+                      "raw": "3"
+                    }
+                  ]
+                }
+              }
+            ]
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ap.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ap.snap
@ -0,0 +1,73 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 37,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 37,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 37,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 14,
+            "name": "mySketch"
+          },
+          "init": {
+            "type": "CallExpression",
+            "type": "CallExpression",
+            "start": 17,
+            "end": 37,
+            "callee": {
+              "type": "Identifier",
+              "start": 17,
+              "end": 30,
+              "name": "startSketchAt"
+            },
+            "arguments": [
+              {
+                "type": "ArrayExpression",
+                "type": "ArrayExpression",
+                "start": 31,
+                "end": 36,
+                "elements": [
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 32,
+                    "end": 33,
+                    "value": 0,
+                    "raw": "0"
+                  },
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 34,
+                    "end": 35,
+                    "value": 0,
+                    "raw": "0"
+                  }
+                ]
+              }
+            ],
+            "optional": false
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__aq.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__aq.snap
@ -0,0 +1,58 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 28,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 28,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 28,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 3,
+          "name": "log"
+        },
+        "arguments": [
+          {
+            "type": "Literal",
+            "type": "Literal",
+            "start": 4,
+            "end": 5,
+            "value": 5,
+            "raw": "5"
+          },
+          {
+            "type": "Literal",
+            "type": "Literal",
+            "start": 7,
+            "end": 14,
+            "value": "hello",
+            "raw": "\"hello\""
+          },
+          {
+            "type": "Identifier",
+            "type": "Identifier",
+            "start": 16,
+            "end": 27,
+            "name": "aIdentifier"
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ar.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__ar.snap
@ -0,0 +1,43 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 7,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 7,
+      "expression": {
+        "type": "BinaryExpression",
+        "type": "BinaryExpression",
+        "start": 0,
+        "end": 7,
+        "operator": "+",
+        "left": {
+          "type": "Literal",
+          "type": "Literal",
+          "start": 0,
+          "end": 1,
+          "value": 5,
+          "raw": "5"
+        },
+        "right": {
+          "type": "Literal",
+          "type": "Literal",
+          "start": 4,
+          "end": 7,
+          "value": "a",
+          "raw": "\"a\""
+        }
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__at.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__at.snap
@ -0,0 +1,64 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 15,
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 0,
+      "end": 15,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 0,
+        "end": 15,
+        "callee": {
+          "type": "Identifier",
+          "start": 0,
+          "end": 4,
+          "name": "line"
+        },
+        "arguments": [
+          {
+            "type": "ArrayExpression",
+            "type": "ArrayExpression",
+            "start": 5,
+            "end": 11,
+            "elements": [
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 6,
+                "end": 7,
+                "value": 0,
+                "raw": "0"
+              },
+              {
+                "type": "Identifier",
+                "type": "Identifier",
+                "start": 9,
+                "end": 10,
+                "name": "l"
+              }
+            ]
+          },
+          {
+            "type": "PipeSubstitution",
+            "type": "PipeSubstitution",
+            "start": 13,
+            "end": 14
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__au.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__au.snap
@ -0,0 +1,158 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 90,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 74,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 74,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 14,
+            "name": "cylinder"
+          },
+          "init": {
+            "type": "PipeExpression",
+            "type": "PipeExpression",
+            "start": 17,
+            "end": 74,
+            "body": [
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 17,
+                "end": 56,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 17,
+                  "end": 39,
+                  "name": "unstable_stdlib_circle"
+                },
+                "arguments": [
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 40,
+                    "end": 44,
+                    "value": "XY",
+                    "raw": "'XY'"
+                  },
+                  {
+                    "type": "ArrayExpression",
+                    "type": "ArrayExpression",
+                    "start": 46,
+                    "end": 51,
+                    "elements": [
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 47,
+                        "end": 48,
+                        "value": 0,
+                        "raw": "0"
+                      },
+                      {
+                        "type": "Literal",
+                        "type": "Literal",
+                        "start": 49,
+                        "end": 50,
+                        "value": 0,
+                        "raw": "0"
+                      }
+                    ]
+                  },
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 53,
+                    "end": 55,
+                    "value": 22,
+                    "raw": "22"
+                  }
+                ],
+                "optional": false
+              },
+              {
+                "type": "CallExpression",
+                "type": "CallExpression",
+                "start": 60,
+                "end": 74,
+                "callee": {
+                  "type": "Identifier",
+                  "start": 60,
+                  "end": 67,
+                  "name": "extrude"
+                },
+                "arguments": [
+                  {
+                    "type": "Literal",
+                    "type": "Literal",
+                    "start": 68,
+                    "end": 70,
+                    "value": 14,
+                    "raw": "14"
+                  },
+                  {
+                    "type": "PipeSubstitution",
+                    "type": "PipeSubstitution",
+                    "start": 72,
+                    "end": 73
+                  }
+                ],
+                "optional": false
+              }
+            ],
+            "nonCodeMeta": {
+              "nonCodeNodes": {},
+              "start": []
+            }
+          }
+        }
+      ],
+      "kind": "const"
+    },
+    {
+      "type": "ExpressionStatement",
+      "type": "ExpressionStatement",
+      "start": 75,
+      "end": 89,
+      "expression": {
+        "type": "CallExpression",
+        "type": "CallExpression",
+        "start": 75,
+        "end": 89,
+        "callee": {
+          "type": "Identifier",
+          "start": 75,
+          "end": 79,
+          "name": "show"
+        },
+        "arguments": [
+          {
+            "type": "Identifier",
+            "type": "Identifier",
+            "start": 80,
+            "end": 88,
+            "name": "cylinder"
+          }
+        ],
+        "optional": false
+      }
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__b.snap
+++ b/src/wasm-lib/kcl/src/parser/snapshots/kcl_libparserparser_impl__snapshot_tests__b.snap
@ -0,0 +1,95 @@
+---
+source: kcl/src/parser/parser_impl.rs
+expression: actual
+---
+{
+  "start": 0,
+  "end": 36,
+  "body": [
+    {
+      "type": "VariableDeclaration",
+      "type": "VariableDeclaration",
+      "start": 0,
+      "end": 36,
+      "declarations": [
+        {
+          "type": "VariableDeclarator",
+          "start": 6,
+          "end": 36,
+          "id": {
+            "type": "Identifier",
+            "start": 6,
+            "end": 11,
+            "name": "myVar"
+          },
+          "init": {
+            "type": "CallExpression",
+            "type": "CallExpression",
+            "start": 14,
+            "end": 36,
+            "callee": {
+              "type": "Identifier",
+              "start": 14,
+              "end": 17,
+              "name": "min"
+            },
+            "arguments": [
+              {
+                "type": "Literal",
+                "type": "Literal",
+                "start": 18,
+                "end": 19,
+                "value": 5,
+                "raw": "5"
+              },
+              {
+                "type": "UnaryExpression",
+                "type": "UnaryExpression",
+                "start": 22,
+                "end": 35,
+                "operator": "-",
+                "argument": {
+                  "type": "CallExpression",
+                  "type": "CallExpression",
+                  "start": 23,
+                  "end": 35,
+                  "callee": {
+                    "type": "Identifier",
+                    "start": 23,
+                    "end": 29,
+                    "name": "legLen"
+                  },
+                  "arguments": [
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 30,
+                      "end": 31,
+                      "value": 5,
+                      "raw": "5"
+                    },
+                    {
+                      "type": "Literal",
+                      "type": "Literal",
+                      "start": 33,
+                      "end": 34,
+                      "value": 4,
+                      "raw": "4"
+                    }
+                  ],
+                  "optional": false
+                }
+              }
+            ],
+            "optional": false
+          }
+        }
+      ],
+      "kind": "const"
+    }
+  ],
+  "nonCodeMeta": {
+    "nonCodeNodes": {},
+    "start": []
+  }
+}
--- a/Show More
+++ b/Show More