hi-language/transpiler
1
0
Fork 0
mirror of https://github.com/hi-language/transpiler.git synced 2026-01-14 00:28:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix: Resolve ambiguity in statement rule with GATE

Browse Source
This commit is contained in:
multipleof4
2025-09-26 10:14:30 -07:00
parent c1e55680cf
commit 1aa4c04240
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/parser.js
View File

@@ -14,7 +14,12 @@ class HiParser extends CstParser {
$.RULE('statement', () => {
$.OR([
{ ALT: () => $.SUBRULE($.declaration) },
{ ALT: () => $.SUBRULE($.assignment) },
// Gated lookahead to resolve ambiguity. An assignment must be
// an `assignable` expression followed by an `Eq` token.
{
GATE: () => this.BACKTRACK($.assignable) && this.LA(1).tokenType === T.Eq,
ALT: () => $.SUBRULE($.assignment)
},
{ ALT: () => $.SUBRULE($.returnStatement) },
{ ALT: () => $.SUBRULE($.expressionStatement) },
]);
@@ -223,4 +228,3 @@ class HiParser extends CstParser {
}
export const parser = new HiParser();