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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.h
+8
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@@ -255,6 +255,9 @@ typedef enum
VM_OC_REST_INITIALIZER, /**< create rest object inside an array pattern */
VM_OC_INITIALIZER_PUSH_PROP, /**< push property for object initializer */
VM_OC_SPREAD_ARGUMENTS, /**< perform function call/construct with spreaded arguments */
VM_OC_CREATE_GENERATOR, /**< create a generator object */
VM_OC_YIELD, /**< yield operation */
VM_OC_CONTINUE_EXEC, /**< first byte code after a function is resumed */
#endif /* ENABLED (JERRY_ES2015) */
VM_OC_NONE, /**< a special opcode for unsupported byte codes */
} vm_oc_types;
@@ -305,6 +308,9 @@ typedef enum
VM_OC_REST_INITIALIZER = VM_OC_NONE, /**< create rest object inside an array pattern */
VM_OC_INITIALIZER_PUSH_PROP = VM_OC_NONE, /**< push property for object initializer */
VM_OC_SPREAD_ARGUMENTS = VM_OC_NONE, /**< perform function call/construct with spreaded arguments */
VM_OC_CREATE_GENERATOR = VM_OC_NONE, /**< create a generator object */
VM_OC_YIELD = VM_OC_NONE, /**< yield operation */
VM_OC_CONTINUE_EXEC = VM_OC_NONE, /**< first byte code after a function is resumed */
#endif /* !ENABLED (JERRY_ES2015) */
VM_OC_UNUSED = VM_OC_NONE /**< placeholder if the list is empty */
@@ -388,6 +394,7 @@ typedef enum
VM_EXEC_CALL, /**< invoke a function */
VM_EXEC_SUPER_CALL, /**< invoke a function through 'super' keyword */
VM_EXEC_SPREAD_OP, /**< call/construct operation with spreaded argument list */
VM_EXEC_RETURN, /**< return with the completion value without freeing registers */
VM_EXEC_CONSTRUCT, /**< construct a new object */
} vm_call_operation;
@@ -400,6 +407,7 @@ ecma_value_t vm_run_module (const ecma_compiled_code_t *bytecode_p, ecma_object_
ecma_value_t vm_run (const ecma_compiled_code_t *bytecode_header_p, ecma_value_t this_binding_value,
ecma_object_t *lex_env_p, const ecma_value_t *arg_list_p, ecma_length_t arg_list_len);
ecma_value_t vm_execute (vm_frame_ctx_t *frame_ctx_p);
bool vm_is_strict_mode (void);
bool vm_is_direct_eval_form_call (void);