YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Check if there is really an old bytecode when recompiling a regexp

Browse Source 
Fixes #612

JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com
This commit is contained in:
Peter Gal
2015-09-15 17:28:26 +02:00
parent 0d6568db18
commit 98fc4098e8
2 changed files with 34 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/builtin-objects/ecma-builtin-regexp-prototype.cpp
+17 -8
View File
@@ -124,8 +124,6 @@ ecma_builtin_regexp_prototype_compile (ecma_value_t this_arg, /**< this argument
/* Get bytecode property. */
ecma_property_t *bc_prop_p = ecma_get_internal_property (this_obj_p,
ECMA_INTERNAL_PROPERTY_REGEXP_BYTECODE);
re_bytecode_t *old_bc_p = ECMA_GET_NON_NULL_POINTER (re_bytecode_t,
bc_prop_p->u.internal_property.value);
FIXME ("We currently have to re-compile the bytecode, because we can't copy it without knowing its length.")
re_bytecode_t *new_bc_p = NULL;
@@ -133,7 +131,13 @@ ecma_builtin_regexp_prototype_compile (ecma_value_t this_arg, /**< this argument
/* Should always succeed, since we're compiling from a source that has been compiled previously. */
JERRY_ASSERT (ecma_is_completion_value_empty (bc_comp));
mem_heap_free_block (old_bc_p);
re_bytecode_t *old_bc_p = ECMA_GET_POINTER (re_bytecode_t,
bc_prop_p->u.internal_property.value);
if (old_bc_p != NULL)
{
mem_heap_free_block (old_bc_p);
}
ECMA_SET_POINTER (bc_prop_p->u.internal_property.value, new_bc_p);
re_initialize_props (this_obj_p, pattern_string_p, flags);
@@ -184,15 +188,20 @@ ecma_builtin_regexp_prototype_compile (ecma_value_t this_arg, /**< this argument
{
ecma_property_t *bc_prop_p = ecma_get_internal_property (this_obj_p,
ECMA_INTERNAL_PROPERTY_REGEXP_BYTECODE);
re_bytecode_t *old_bc_p = ECMA_GET_NON_NULL_POINTER (re_bytecode_t,
bc_prop_p->u.internal_property.value);
/* Try to compile bytecode from new source. */
re_bytecode_t *new_bc_p = NULL;
ECMA_TRY_CATCH (bc_dummy, re_compile_bytecode (&new_bc_p, pattern_string_p, flags), ret_value);
/* Replace old bytecode with new one. */
mem_heap_free_block (old_bc_p);
re_bytecode_t *old_bc_p = ECMA_GET_POINTER (re_bytecode_t,
bc_prop_p->u.internal_property.value);
if (old_bc_p != NULL)
{
/* Replace old bytecode with new one. */
mem_heap_free_block (old_bc_p);
}
ECMA_SET_POINTER (bc_prop_p->u.internal_property.value, new_bc_p);
re_initialize_props (this_obj_p, pattern_string_p, flags);
ret_value = ecma_make_normal_completion_value (ecma_make_simple_value (ECMA_SIMPLE_VALUE_UNDEFINED));