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Faster context creation and exception checks in JS_NewContext (#404)

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- simplified internal object init
- check exceptions in JS_NewContext()
- preallocated std object properties
- preallocated more atoms
This commit is contained in:
Fabrice Bellard
2025-10-11 10:59:21 +02:00
parent 7a488f3e0c
commit 42eb2795f0
2 changed files with 744 additions and 651 deletions
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quickjs.c
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quickjs.h
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@@ -394,18 +394,18 @@ JSValue JS_GetClassProto(JSContext *ctx, JSClassID class_id);
/* the following functions are used to select the intrinsic object to
save memory */
JSContext *JS_NewContextRaw(JSRuntime *rt);
void JS_AddIntrinsicBaseObjects(JSContext *ctx);
void JS_AddIntrinsicDate(JSContext *ctx);
void JS_AddIntrinsicEval(JSContext *ctx);
void JS_AddIntrinsicStringNormalize(JSContext *ctx);
int JS_AddIntrinsicBaseObjects(JSContext *ctx);
int JS_AddIntrinsicDate(JSContext *ctx);
int JS_AddIntrinsicEval(JSContext *ctx);
int JS_AddIntrinsicStringNormalize(JSContext *ctx);
void JS_AddIntrinsicRegExpCompiler(JSContext *ctx);
void JS_AddIntrinsicRegExp(JSContext *ctx);
void JS_AddIntrinsicJSON(JSContext *ctx);
void JS_AddIntrinsicProxy(JSContext *ctx);
void JS_AddIntrinsicMapSet(JSContext *ctx);
void JS_AddIntrinsicTypedArrays(JSContext *ctx);
void JS_AddIntrinsicPromise(JSContext *ctx);
void JS_AddIntrinsicWeakRef(JSContext *ctx);
int JS_AddIntrinsicRegExp(JSContext *ctx);
int JS_AddIntrinsicJSON(JSContext *ctx);
int JS_AddIntrinsicProxy(JSContext *ctx);
int JS_AddIntrinsicMapSet(JSContext *ctx);
int JS_AddIntrinsicTypedArrays(JSContext *ctx);
int JS_AddIntrinsicPromise(JSContext *ctx);
int JS_AddIntrinsicWeakRef(JSContext *ctx);
JSValue js_string_codePointRange(JSContext *ctx, JSValueConst this_val,
int argc, JSValueConst *argv);
@@ -1052,7 +1052,7 @@ static inline JSValue JS_NewCFunctionMagic(JSContext *ctx, JSCFunctionMagic *fun
JSCFunctionType ft = { .generic_magic = func };
return JS_NewCFunction2(ctx, ft.generic, name, length, cproto, magic);
}
void JS_SetConstructor(JSContext *ctx, JSValueConst func_obj,
int JS_SetConstructor(JSContext *ctx, JSValueConst func_obj,
JSValueConst proto);
/* C property definition */
@@ -1097,6 +1097,8 @@ typedef struct JSCFunctionListEntry {
#define JS_DEF_PROP_UNDEFINED 7
#define JS_DEF_OBJECT 8
#define JS_DEF_ALIAS 9
#define JS_DEF_PROP_SYMBOL 10
#define JS_DEF_PROP_BOOL 11
/* Note: c++ does not like nested designators */
#define JS_CFUNC_DEF(name, length, func1) { name, JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE, JS_DEF_CFUNC, 0, .u = { .func = { length, JS_CFUNC_generic, { .generic = func1 } } } }
@@ -1110,6 +1112,8 @@ typedef struct JSCFunctionListEntry {
#define JS_PROP_INT64_DEF(name, val, prop_flags) { name, prop_flags, JS_DEF_PROP_INT64, 0, .u = { .i64 = val } }
#define JS_PROP_DOUBLE_DEF(name, val, prop_flags) { name, prop_flags, JS_DEF_PROP_DOUBLE, 0, .u = { .f64 = val } }
#define JS_PROP_UNDEFINED_DEF(name, prop_flags) { name, prop_flags, JS_DEF_PROP_UNDEFINED, 0, .u = { .i32 = 0 } }
#define JS_PROP_SYMBOL_DEF(name, val, prop_flags) { name, prop_flags, JS_DEF_PROP_SYMBOL, 0, .u = { .i32 = val } }
#define JS_PROP_BOOL_DEF(name, val, prop_flags) { name, prop_flags, JS_DEF_PROP_BOOL, 0, .u = { .i32 = val } }
#define JS_OBJECT_DEF(name, tab, len, prop_flags) { name, prop_flags, JS_DEF_OBJECT, 0, .u = { .prop_list = { tab, len } } }
#define JS_ALIAS_DEF(name, from) { name, JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE, JS_DEF_ALIAS, 0, .u = { .alias = { from, -1 } } }
#define JS_ALIAS_BASE_DEF(name, from, base) { name, JS_PROP_WRITABLE | JS_PROP_CONFIGURABLE, JS_DEF_ALIAS, 0, .u = { .alias = { from, base } } }