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Retrieve RegExp 'g' flag in spec conformant way (original patch by bn…
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…oordhuis)
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Fabrice Bellard committed Dec 9, 2023
1 parent c4cdd61 commit 4949d75
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Showing 2 changed files with 27 additions and 20 deletions.
35 changes: 27 additions & 8 deletions quickjs.c
Original file line number Diff line number Diff line change
Expand Up @@ -42551,24 +42551,31 @@ static JSValue js_regexp_Symbol_match(JSContext *ctx, JSValueConst this_val,
{
// [Symbol.match](str)
JSValueConst rx = this_val;
JSValue A, S, result, matchStr;
JSValue A, S, flags, result, matchStr;
int global, n, fullUnicode, isEmpty;
JSString *p;

if (!JS_IsObject(rx))
return JS_ThrowTypeErrorNotAnObject(ctx);

A = JS_UNDEFINED;
flags = JS_UNDEFINED;
result = JS_UNDEFINED;
matchStr = JS_UNDEFINED;
S = JS_ToString(ctx, argv[0]);
if (JS_IsException(S))
goto exception;

global = JS_ToBoolFree(ctx, JS_GetProperty(ctx, rx, JS_ATOM_global));
if (global < 0)
flags = JS_GetProperty(ctx, rx, JS_ATOM_flags);
if (JS_IsException(flags))
goto exception;
flags = JS_ToStringFree(ctx, flags);
if (JS_IsException(flags))
goto exception;
p = JS_VALUE_GET_STRING(flags);

// TODO(bnoordhuis) query 'u' flag the same way?
global = (-1 != string_indexof_char(p, 'g', 0));
if (!global) {
A = JS_RegExpExec(ctx, rx, S);
} else {
Expand Down Expand Up @@ -42612,12 +42619,14 @@ static JSValue js_regexp_Symbol_match(JSContext *ctx, JSValueConst this_val,
}
}
JS_FreeValue(ctx, result);
JS_FreeValue(ctx, flags);
JS_FreeValue(ctx, S);
return A;

exception:
JS_FreeValue(ctx, A);
JS_FreeValue(ctx, result);
JS_FreeValue(ctx, flags);
JS_FreeValue(ctx, S);
return JS_EXCEPTION;
}
Expand Down Expand Up @@ -42860,8 +42869,8 @@ static JSValue js_regexp_Symbol_replace(JSContext *ctx, JSValueConst this_val,
// [Symbol.replace](str, rep)
JSValueConst rx = this_val, rep = argv[1];
JSValueConst args[6];
JSValue str, rep_val, matched, tab, rep_str, namedCaptures, res;
JSString *sp, *rp;
JSValue flags, str, rep_val, matched, tab, rep_str, namedCaptures, res;
JSString *p, *sp, *rp;
StringBuffer b_s, *b = &b_s;
ValueBuffer v_b, *results = &v_b;
int nextSourcePosition, n, j, functionalReplace, is_global, fullUnicode;
Expand All @@ -42877,6 +42886,7 @@ static JSValue js_regexp_Symbol_replace(JSContext *ctx, JSValueConst this_val,
rep_val = JS_UNDEFINED;
matched = JS_UNDEFINED;
tab = JS_UNDEFINED;
flags = JS_UNDEFINED;
rep_str = JS_UNDEFINED;
namedCaptures = JS_UNDEFINED;

Expand All @@ -42893,10 +42903,18 @@ static JSValue js_regexp_Symbol_replace(JSContext *ctx, JSValueConst this_val,
goto exception;
rp = JS_VALUE_GET_STRING(rep_val);
}
fullUnicode = 0;
is_global = JS_ToBoolFree(ctx, JS_GetProperty(ctx, rx, JS_ATOM_global));
if (is_global < 0)

flags = JS_GetProperty(ctx, rx, JS_ATOM_flags);
if (JS_IsException(flags))
goto exception;
flags = JS_ToStringFree(ctx, flags);
if (JS_IsException(flags))
goto exception;
p = JS_VALUE_GET_STRING(flags);

// TODO(bnoordhuis) query 'u' flag the same way?
fullUnicode = 0;
is_global = (-1 != string_indexof_char(p, 'g', 0));
if (is_global) {
fullUnicode = JS_ToBoolFree(ctx, JS_GetProperty(ctx, rx, JS_ATOM_unicode));
if (fullUnicode < 0)
Expand Down Expand Up @@ -43030,6 +43048,7 @@ static JSValue js_regexp_Symbol_replace(JSContext *ctx, JSValueConst this_val,
value_buffer_free(results);
JS_FreeValue(ctx, rep_val);
JS_FreeValue(ctx, matched);
JS_FreeValue(ctx, flags);
JS_FreeValue(ctx, tab);
JS_FreeValue(ctx, rep_str);
JS_FreeValue(ctx, namedCaptures);
Expand Down
12 changes: 0 additions & 12 deletions test262_errors.txt
Original file line number Diff line number Diff line change
Expand Up @@ -11,18 +11,6 @@ test262/test/built-ins/RegExp/lookahead-quantifier-match-groups.js:27: Test262Er
test262/test/built-ins/RegExp/lookahead-quantifier-match-groups.js:27: strict mode: Test262Error: Expected [a, abc] and [a, undefined] to have the same contents. ? quantifier
test262/test/built-ins/RegExp/named-groups/non-unicode-property-names-valid.js:46: SyntaxError: invalid group name
test262/test/built-ins/RegExp/named-groups/non-unicode-property-names-valid.js:46: strict mode: SyntaxError: invalid group name
test262/test/built-ins/RegExp/prototype/Symbol.match/flags-tostring-error.js:22: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.match/flags-tostring-error.js:22: strict mode: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.match/get-flags-err.js:23: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.match/get-flags-err.js:23: strict mode: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.match/get-unicode-error.js:22: Test262Error: Expected a Test262Error to be thrown but no exception was thrown at all
test262/test/built-ins/RegExp/prototype/Symbol.match/get-unicode-error.js:22: strict mode: Test262Error: Expected a Test262Error to be thrown but no exception was thrown at all
test262/test/built-ins/RegExp/prototype/Symbol.replace/flags-tostring-error.js:26: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.replace/flags-tostring-error.js:26: strict mode: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.replace/get-flags-err.js:27: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.replace/get-flags-err.js:27: strict mode: Test262Error: Expected a CustomError but got a Test262Error
test262/test/built-ins/RegExp/prototype/Symbol.replace/get-unicode-error.js:26: Test262Error: Expected a Test262Error to be thrown but no exception was thrown at all
test262/test/built-ins/RegExp/prototype/Symbol.replace/get-unicode-error.js:26: strict mode: Test262Error: Expected a Test262Error to be thrown but no exception was thrown at all
test262/test/built-ins/RegExp/unicode_full_case_folding.js:20: Test262Error: \u0390 does not match \u1fd3
test262/test/built-ins/RegExp/unicode_full_case_folding.js:20: strict mode: Test262Error: \u0390 does not match \u1fd3
test262/test/built-ins/String/prototype/localeCompare/15.5.4.9_CE.js:62: Test262Error: String.prototype.localeCompare considers ö (\u006f\u0308) ≠ ö (\u00f6).
Expand Down

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