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KCL literals are typed, not JSON values (#971)

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We now control the KCL type system instead of reusing JSON's type system.
This commit is contained in:
Adam Chalmers
2023-11-01 13:52:50 -05:00
committed by GitHub
parent 4d47c067b7
commit 3d0c5c10b0
4 changed files with 176 additions and 84 deletions
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114
src/wasm-lib/kcl/src/ast/types.rs
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@ -7,14 +7,18 @@ use parse_display::{Display, FromStr};
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};
use serde_json::Map;
use serde_json::Value as JValue;
use tower_lsp::lsp_types::{CompletionItem, CompletionItemKind, DocumentSymbol, Range as LspRange, SymbolKind};
pub use self::literal_value::LiteralValue;
use crate::{
errors::{KclError, KclErrorDetails},
executor::{ExecutorContext, MemoryItem, Metadata, PipeInfo, ProgramMemory, SourceRange, UserVal},
parser::PIPE_OPERATOR,
};
mod literal_value;
#[derive(Debug, Clone, Deserialize, Serialize, PartialEq, ts_rs::TS, JsonSchema)]
#[ts(export)]
#[serde(rename_all = "camelCase")]
@ -1312,24 +1316,18 @@ 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 +1341,19 @@ 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)
match self.value {
LiteralValue::Fractional(x) => {
if x.fract() == 0.0 {
format!("{x:?}")
} else {
self.value.to_string()
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 +1361,7 @@ 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 +1372,7 @@ 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(),
}],
@ -1967,17 +1973,21 @@ 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,
}
}
};
@ -2209,22 +2219,6 @@ 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())
@ -3289,4 +3283,40 @@ 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}"
);
}
}
}

70
src/wasm-lib/kcl/src/ast/types/literal_value.rs Normal file
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@ -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())
}
}

2
src/wasm-lib/kcl/src/parser.rs
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@ -1,7 +1,7 @@
use crate::{ast::types::Program, errors::KclError, token::Token};
mod math;
mod parser_impl;
pub(crate) mod parser_impl;
pub const PIPE_SUBSTITUTION_OPERATOR: &str = "%";
pub const PIPE_OPERATOR: &str = "|>";

70
src/wasm-lib/kcl/src/parser/parser_impl.rs
View File

@ -1,4 +1,3 @@
use serde_json::{Number as JNumber, Value as JValue};
use winnow::{
combinator::{alt, delimited, opt, peek, preceded, repeat, separated0, terminated},
dispatch,
@ -10,10 +9,10 @@ use winnow::{
use crate::{
ast::types::{
ArrayExpression, BinaryExpression, BinaryOperator, BinaryPart, BodyItem, CallExpression, CommentStyle,
ExpressionStatement, FunctionExpression, Identifier, Literal, LiteralIdentifier, MemberExpression,
MemberObject, NonCodeMeta, NonCodeNode, NonCodeValue, ObjectExpression, ObjectProperty, PipeExpression,
PipeSubstitution, Program, ReturnStatement, UnaryExpression, UnaryOperator, Value, VariableDeclaration,
VariableDeclarator, VariableKind,
ExpressionStatement, FunctionExpression, Identifier, Literal, LiteralIdentifier, LiteralValue,
MemberExpression, MemberObject, NonCodeMeta, NonCodeNode, NonCodeValue, ObjectExpression, ObjectProperty,
PipeExpression, PipeSubstitution, Program, ReturnStatement, UnaryExpression, UnaryOperator, Value,
VariableDeclaration, VariableDeclarator, VariableKind,
},
errors::{KclError, KclErrorDetails},
executor::SourceRange,
@ -216,7 +215,7 @@ pub fn string_literal(i: TokenSlice) -> PResult<Literal> {
.try_map(|token: Token| match token.token_type {
TokenType::String => {
let s = token.value[1..token.value.len() - 1].to_string();
Ok((JValue::String(s), token))
Ok((LiteralValue::from(s), token))
}
_ => Err(KclError::Syntax(KclErrorDetails {
source_ranges: token.as_source_ranges(),
@ -234,12 +233,12 @@ pub fn string_literal(i: TokenSlice) -> PResult<Literal> {
}
/// Parse a KCL literal number, with no - sign.
fn unsigned_number_literal(i: TokenSlice) -> PResult<Literal> {
pub(crate) fn unsigned_number_literal(i: TokenSlice) -> PResult<Literal> {
let (value, token) = any
.try_map(|token: Token| match token.token_type {
TokenType::Number => {
if let Ok(x) = token.value.parse::<i64>() {
return Ok((JValue::Number(JNumber::from(x)), token));
if let Ok(x) = token.value.parse::<u64>() {
return Ok((LiteralValue::IInteger(x as i64), token));
}
let x: f64 = token.value.parse().map_err(|_| {
KclError::Syntax(KclErrorDetails {
@ -248,13 +247,7 @@ fn unsigned_number_literal(i: TokenSlice) -> PResult<Literal> {
})
})?;
match JNumber::from_f64(x) {
Some(n) => Ok((JValue::Number(n), token)),
None => Err(KclError::Syntax(KclErrorDetails {
source_ranges: token.as_source_ranges(),
message: format!("Invalid float: {}", token.value),
})),
}
Ok((LiteralValue::Fractional(x), token))
}
_ => Err(KclError::Syntax(KclErrorDetails {
source_ranges: token.as_source_ranges(),
@ -404,10 +397,11 @@ fn integer_range(i: TokenSlice) -> PResult<Vec<Value>> {
let (_token1, ceiling) = integer.parse_next(i)?;
Ok((floor..=ceiling)
.map(|num| {
let num = num as i64;
Value::Literal(Box::new(Literal {
start: token0.start,
end: token0.end,
value: JValue::Number(num.into()),
value: num.into(),
raw: num.to_string(),
}))
})
@ -1459,7 +1453,7 @@ const mySk1 = startSketchAt([0, 0])"#;
argument: Value::Literal(Box::new(Literal {
start: 32,
end: 33,
value: JValue::Number(JNumber::from(2)),
value: 2u32.into(),
raw: "2".to_owned(),
})),
})],
@ -1614,7 +1608,7 @@ const mySk1 = startSketchAt([0, 0])"#;
BinaryPart::Literal(Box::new(Literal {
start: 9,
end: 10,
value: JValue::Number(JNumber::from(3)),
value: 3u32.into(),
raw: "3".to_owned(),
}))
);
@ -1685,11 +1679,11 @@ const mySk1 = startSketchAt([0, 0])"#;
let BinaryPart::Literal(left) = actual.left else {
panic!("should be expression");
};
assert_eq!(left.value, serde_json::Value::Number(1.into()));
assert_eq!(left.value, 1u32.into());
let BinaryPart::Literal(right) = actual.right else {
panic!("should be expression");
};
assert_eq!(right.value, serde_json::Value::Number(2.into()));
assert_eq!(right.value, 2u32.into());
}
}
@ -1868,12 +1862,10 @@ const mySk1 = startSketchAt([0, 0])"#;
let parsed_literal = literal.parse(&tokens).unwrap();
assert_eq!(
parsed_literal.value,
JValue::String(
"
// a comment
"
.to_owned()
)
.into()
);
}
@ -1978,13 +1970,13 @@ const mySk1 = startSketchAt([0, 0])"#;
left: BinaryPart::Literal(Box::new(Literal {
start: 0,
end: 1,
value: serde_json::Value::Number(serde_json::Number::from(5)),
value: 5u32.into(),
raw: "5".to_owned(),
})),
right: BinaryPart::Literal(Box::new(Literal {
start: 4,
end: 7,
value: serde_json::Value::String("a".to_owned()),
value: "a".into(),
raw: r#""a""#.to_owned(),
})),
};
@ -2091,14 +2083,14 @@ const mySk1 = startSketchAt([0, 0])"#;
left: BinaryPart::Literal(Box::new(Literal {
start: 0,
end: 1,
value: serde_json::Value::Number(serde_json::Number::from(5)),
value: 5u32.into(),
raw: "5".to_string(),
})),
operator: BinaryOperator::Add,
right: BinaryPart::Literal(Box::new(Literal {
start: 3,
end: 4,
value: serde_json::Value::Number(serde_json::Number::from(6)),
value: 6u32.into(),
raw: "6".to_string(),
})),
})),
@ -2377,67 +2369,67 @@ e
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 0.into(),
value: 0u32.into(),
raw: "0".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 1.into(),
value: 1u32.into(),
raw: "1".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 2.into(),
value: 2u32.into(),
raw: "2".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 3.into(),
value: 3u32.into(),
raw: "3".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 4.into(),
value: 4u32.into(),
raw: "4".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 5.into(),
value: 5u32.into(),
raw: "5".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 6.into(),
value: 6u32.into(),
raw: "6".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 7.into(),
value: 7u32.into(),
raw: "7".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 8.into(),
value: 8u32.into(),
raw: "8".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 9.into(),
value: 9u32.into(),
raw: "9".to_string(),
})),
Value::Literal(Box::new(Literal {
start: 17,
end: 18,
value: 10.into(),
value: 10u32.into(),
raw: "10".to_string(),
})),
],