ByoungSooPark/modeling-app
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add member expression

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This commit is contained in:
Kurt Hutten IrevDev
2023-01-03 19:41:27 +11:00
parent d2a4bb7851
commit a1f844b0b1
8 changed files with 415 additions and 4 deletions
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8
src/lang/tokeniser.ts
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@ -16,6 +16,7 @@ const ARRAY_START = /^\[/
const ARRAY_END = /^\]/
const COMMA = /^,/
const COLON = /^:/
const PERIOD = /^\./
export const isNumber = (character: string) => NUMBER.test(character)
export const isWhitespace = (character: string) => WHITESPACE.test(character)
@ -30,6 +31,7 @@ export const isArrayStart = (character: string) => ARRAY_START.test(character)
export const isArrayEnd = (character: string) => ARRAY_END.test(character)
export const isComma = (character: string) => COMMA.test(character)
export const isColon = (character: string) => COLON.test(character)
export const isPeriod = (character: string) => PERIOD.test(character)
function matchFirst(str: string, regex: RegExp) {
const theMatch = str.match(regex)
@ -49,6 +51,7 @@ export interface Token {
| 'whitespace'
| 'comma'
| 'colon'
| 'period'
value: string
start: number
end: number
@ -100,9 +103,10 @@ const returnTokenAtIndex = (str: string, startIndex: number): Token | null => {
if (isWord(strFromIndex)) {
return makeToken('word', matchFirst(strFromIndex, WORD), startIndex)
}
if (isColon(strFromIndex)) {
if (isColon(strFromIndex))
return makeToken('colon', matchFirst(strFromIndex, COLON), startIndex)
}
if (isPeriod(strFromIndex))
return makeToken('period', matchFirst(strFromIndex, PERIOD), startIndex)
if (isWhitespace(strFromIndex)) {
return makeToken(
'whitespace',