withMinus refactor

graphemecluster · graphemecluster · commit 251e5366a4f3 · 2023-03-14T00:51:34.000+08:00
diff --git a/src/compiler/scanner.ts b/src/compiler/scanner.ts
@@ -1165,7 +1165,7 @@ export function createScanner(languageVersion: ScriptTarget,
                 tokenFlags |= TokenFlags.Octal;
                 const withMinus = token === SyntaxKind.MinusToken;
                 const literal = (withMinus ? "-" : "") + "0o" + (+tokenValue).toString(8);
-                start -= +withMinus;
+                if (withMinus) start--;
                 error(Diagnostics.Octal_literals_are_not_allowed_Use_the_syntax_0, start, pos - start, literal);
                 return { type: SyntaxKind.NumericLiteral, value: tokenValue };
             }

Original file line number	Diff line number	Diff line change
`@@ -1165,7 +1165,7 @@ export function createScanner(languageVersion: ScriptTarget,`
`1165`	`1165`	`tokenFlags \|= TokenFlags.Octal;`
`1166`	`1166`	`const withMinus = token === SyntaxKind.MinusToken;`
`1167`	`1167`	`const literal = (withMinus ? "-" : "") + "0o" + (+tokenValue).toString(8);`
`1168`		`- start -= +withMinus;`
	`1168`	`+ if (withMinus) start--;`
`1169`	`1169`	`error(Diagnostics.Octal_literals_are_not_allowed_Use_the_syntax_0, start, pos - start, literal);`
`1170`	`1170`	`return { type: SyntaxKind.NumericLiteral, value: tokenValue };`
`1171`	`1171`	`}`