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Retrieve RegExp 'g' flag in spec conformant way (original patch by bnoordhuis)

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Fabrice Bellard
2023-12-09 12:28:13 +01:00
parent c4cdd61a3e
commit 4949d75daf
2 changed files with 27 additions and 20 deletions
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35
quickjs.c
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@@ -42551,7 +42551,7 @@ 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;
@@ -42559,16 +42559,23 @@ static JSValue js_regexp_Symbol_match(JSContext *ctx, JSValueConst this_val,
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 {
@@ -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;
}
@@ -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;
@@ -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;
@@ -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)
@@ -43030,6 +43048,7 @@ done1:
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);