-
Notifications
You must be signed in to change notification settings - Fork 44
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat(parser): WIP: Enable JSX parsing
- Loading branch information
Showing
14 changed files
with
11,105 additions
and
28 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| import { isIdentifierStart, isIdentifierPart } from './charClassifier'; | ||
| import { Chars } from '../chars'; | ||
| import { Token } from '../token'; | ||
| import { ParserState, Context } from '../common'; | ||
| import { report, Errors } from '../errors'; | ||
| import { nextCP, nextToken } from './'; | ||
|
|
||
| export function scanJSXString(parser: ParserState): Token { | ||
| const quote = parser.nextCP; | ||
| let char = nextCP(parser); | ||
| const start = parser.index; | ||
| while (char !== quote) { | ||
| if (parser.index >= parser.end) report(parser, Errors.UnterminatedString); | ||
| char = nextCP(parser); | ||
| } | ||
|
|
||
| // check for unterminated string | ||
| if (char !== quote) report(parser, Errors.UnterminatedString); | ||
| parser.tokenValue = parser.source.slice(start, parser.index); | ||
| nextCP(parser); // skip the quote | ||
| return Token.StringLiteral; | ||
| } | ||
|
|
||
| export function scanJSXToken(parser: ParserState): Token { | ||
| parser.startIndex = parser.tokenIndex = parser.index; | ||
|
|
||
| if (parser.index >= parser.end) { | ||
| return (parser.token = Token.EOF); | ||
| } | ||
|
|
||
| let char = parser.source.charCodeAt(parser.index); | ||
|
|
||
| if (char === Chars.LessThan) { | ||
| if (parser.source.charCodeAt(parser.index + 1) === Chars.Slash) { | ||
| parser.index += 2; | ||
| parser.nextCP = parser.source.charCodeAt(parser.index); | ||
| return (parser.token = Token.JSXClose); | ||
| } | ||
| ++parser.index; | ||
| parser.nextCP = parser.source.charCodeAt(parser.index); | ||
| return (parser.token = Token.LessThan); | ||
| } | ||
|
|
||
| if (char === Chars.LeftBrace) { | ||
| ++parser.index; | ||
| parser.nextCP = parser.source.charCodeAt(parser.index); | ||
| return (parser.token = Token.LeftBrace); | ||
| } | ||
|
|
||
| while (parser.index < parser.end) { | ||
| parser.index++; | ||
| char = parser.source.charCodeAt(parser.index); | ||
| if (char === Chars.LeftBrace || char === Chars.LessThan) { | ||
| break; | ||
| } | ||
| } | ||
| parser.nextCP = parser.source.charCodeAt(parser.index); | ||
| parser.tokenValue = parser.source.slice(parser.tokenIndex, parser.index); | ||
| return (parser.token = Token.JSXText); | ||
| } | ||
| export function scanJSXIdentifier(parser: ParserState, _context: Context): Token { | ||
| if ((parser.token & Token.IsIdentifier) === Token.IsIdentifier) { | ||
| const firstCharPosition = parser.index; | ||
|
|
||
| while (parser.index < parser.end) { | ||
| let char = parser.nextCP; | ||
| if ( | ||
| char === Chars.Hyphen || | ||
| (firstCharPosition === parser.index ? isIdentifierStart(char) : isIdentifierPart(char)) | ||
| ) { | ||
| parser.index++; | ||
| } else break; | ||
| parser.nextCP = parser.source.charCodeAt(parser.index); | ||
| } | ||
|
|
||
| parser.tokenValue += parser.source.slice(firstCharPosition, parser.index); // - firstCharPosition); | ||
| } | ||
|
|
||
| return parser.token; | ||
| } | ||
|
|
||
| export function scanJsxAttributeValue(parser: ParserState, context: Context): any { | ||
| parser.startIndex = parser.index; | ||
|
|
||
| switch (parser.nextCP) { | ||
| case Chars.DoubleQuote: | ||
| case Chars.SingleQuote: | ||
| parser.token = scanJSXString(parser); | ||
| return (parser.token = Token.StringLiteral); | ||
| default: | ||
| // If this scans anything other than `{`, it's a parse error. | ||
| nextToken(parser, context); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.