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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/parser/js/byte-code.h
+18 -11
View File
@@ -188,18 +188,18 @@
/* Stack consumption of opcodes with context. */
/* PARSER_FOR_OF_CONTEXT_STACK_ALLOCATION must be <= 3 */
#define PARSER_FOR_OF_CONTEXT_STACK_ALLOCATION 3
/* PARSER_FOR_IN_CONTEXT_STACK_ALLOCATION must be <= 4 */
#define PARSER_FOR_IN_CONTEXT_STACK_ALLOCATION 4
/* PARSER_BLOCK_CONTEXT_STACK_ALLOCATION must be <= 3 */
#define PARSER_BLOCK_CONTEXT_STACK_ALLOCATION 1
/* PARSER_WITH_CONTEXT_STACK_ALLOCATION must be <= 4 */
#define PARSER_WITH_CONTEXT_STACK_ALLOCATION 1
/* PARSER_SUPER_CLASS_CONTEXT_STACK_ALLOCATION must be <= 4 */
#define PARSER_SUPER_CLASS_CONTEXT_STACK_ALLOCATION 1
/* PARSER_TRY_CONTEXT_STACK_ALLOCATION must be <= 3 */
#define PARSER_TRY_CONTEXT_STACK_ALLOCATION 2
/* PARSER_FOR_IN_CONTEXT_STACK_ALLOCATION must be <= 4 */
#define PARSER_FOR_IN_CONTEXT_STACK_ALLOCATION 4
/* PARSER_FOR_OF_CONTEXT_STACK_ALLOCATION must be <= 3 */
#define PARSER_FOR_OF_CONTEXT_STACK_ALLOCATION 3
/* PARSER_BLOCK_CONTEXT_STACK_ALLOCATION must be <= 3 */
#define PARSER_WITH_CONTEXT_STACK_ALLOCATION 1
/* PARSER_SUPER_CLASS_CONTEXT_STACK_ALLOCATION must be <= 4 */
#define PARSER_BLOCK_CONTEXT_STACK_ALLOCATION 1
/* PARSER_WITH_CONTEXT_STACK_ALLOCATION must be <= 4 */
#define PARSER_SUPER_CLASS_CONTEXT_STACK_ALLOCATION 1
/**
* Opcode definitions.
@@ -654,6 +654,12 @@
VM_OC_INITIALIZER_PUSH_PROP | VM_OC_GET_LITERAL) \
CBC_OPCODE (CBC_EXT_SPREAD_NEW, CBC_HAS_POP_STACK_BYTE_ARG, 0, \
VM_OC_SPREAD_ARGUMENTS | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_CREATE_GENERATOR, CBC_NO_FLAG, 0, \
VM_OC_CREATE_GENERATOR) \
CBC_OPCODE (CBC_EXT_YIELD, CBC_NO_FLAG, -1, \
VM_OC_YIELD | VM_OC_GET_STACK) \
CBC_OPCODE (CBC_EXT_CONTINUE_EXEC, CBC_NO_FLAG, 1, \
VM_OC_CONTINUE_EXEC) \
\
/* Last opcode (not a real opcode). */ \
CBC_OPCODE (CBC_EXT_END, CBC_NO_FLAG, 0, \
@@ -743,7 +749,8 @@ typedef enum
CBC_CODE_FLAGS_STATIC_FUNCTION = (1u << 8), /**< this function is a static snapshot function */
CBC_CODE_FLAGS_DEBUGGER_IGNORE = (1u << 9), /**< this function should be ignored by debugger */
CBC_CODE_FLAGS_CONSTRUCTOR = (1u << 10), /**< this function is a constructor */
CBC_CODE_FLAGS_REST_PARAMETER = (1u << 11), /**< this function has rest parameter */
CBC_CODE_FLAGS_GENERATOR = (1u << 11), /**< this function is a generator */
CBC_CODE_FLAGS_REST_PARAMETER = (1u << 12), /**< this function has rest parameter */
} cbc_code_flags;
/**