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Implement the core of the generator functions. (#3368)

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Some things are missing:
 - yield* support
 - generator definition in object literal
 - the hidden GeneratorFunction

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-11-28 11:54:27 +01:00
committed by Dániel Bátyai
parent 14e95a4775
commit 110f75c99d
35 changed files with 1535 additions and 85 deletions
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jerry-core/vm/vm-stack.h
+18
View File
@@ -79,9 +79,27 @@ typedef enum
#define VM_CONTEXT_IS_FINALLY(context_type) \
((context_type) <= VM_CONTEXT_FINALLY_RETURN)
/**
* Shift needs to be applied to get the next item of the offset array.
*/
#define VM_CONTEXT_OFFSET_SHIFT 4
/**
* Checks whether an offset is available.
*/
#define VM_CONTEXT_HAS_NEXT_OFFSET(offsets) ((offsets) >= (1 << VM_CONTEXT_OFFSET_SHIFT))
/**
* Gets the next offset from the offset array.
*/
#define VM_CONTEXT_GET_NEXT_OFFSET(offsets) (-((int32_t) ((offsets) & ((1 << VM_CONTEXT_OFFSET_SHIFT) - 1))))
ecma_value_t *vm_stack_context_abort (vm_frame_ctx_t *frame_ctx_p, ecma_value_t *vm_stack_top_p);
bool vm_stack_find_finally (vm_frame_ctx_t *frame_ctx_p, ecma_value_t **vm_stack_top_ref_p,
vm_stack_context_type_t finally_type, uint32_t search_limit);
uint32_t vm_get_context_value_offsets (ecma_value_t *context_item_p);
void vm_ref_lex_env_chain (ecma_object_t *lex_env_p, uint16_t context_depth,
ecma_value_t *context_end_p, bool do_ref);
/**
* @}