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Rework frame context (#4200)

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A new shared frame context data is created which allows sharing
data between the function call and vm main loop. Furthermore
rest arguments and current function object handling is reworked.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-09-21 10:25:17 +02:00
committed by GitHub
parent 55554535b2
commit 4d135bec5d
17 changed files with 311 additions and 181 deletions
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jerry-core/parser/js/byte-code.h
+4 -3
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@@ -594,6 +594,8 @@
VM_OC_EXT_VAR_EVAL) \
CBC_OPCODE (CBC_EXT_COPY_FROM_ARG, CBC_HAS_LITERAL_ARG, 0, \
VM_OC_COPY_FROM_ARG) \
CBC_OPCODE (CBC_EXT_PUSH_REST_OBJECT, CBC_NO_FLAG, 1, \
VM_OC_PUSH_REST_OBJECT) \
CBC_OPCODE (CBC_EXT_STRING_CONCAT, CBC_NO_FLAG, -1, \
VM_OC_STRING_CONCAT | VM_OC_GET_STACK_STACK | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_STRING_CONCAT_RIGHT_LITERAL, CBC_HAS_LITERAL_ARG, 0, \
@@ -862,9 +864,8 @@ typedef enum
CBC_CODE_FLAGS_LEXICAL_ENV_NOT_NEEDED = (1u << 5), /**< no need to create a lexical environment */
CBC_CODE_FLAGS_STATIC_FUNCTION = (1u << 6), /**< this function is a static snapshot function */
CBC_CODE_FLAGS_DEBUGGER_IGNORE = (1u << 7), /**< this function should be ignored by debugger */
CBC_CODE_FLAGS_REST_PARAMETER = (1u << 8), /**< this function has rest parameter */
CBC_CODE_FLAGS_HAS_TAGGED_LITERALS = (1u << 9), /**< this function has tagged template literal list */
CBC_CODE_FLAGS_LEXICAL_BLOCK_NEEDED = (1u << 10), /**< compiled code needs a lexical block */
CBC_CODE_FLAGS_HAS_TAGGED_LITERALS = (1u << 8), /**< this function has tagged template literal list */
CBC_CODE_FLAGS_LEXICAL_BLOCK_NEEDED = (1u << 9), /**< compiled code needs a lexical block */
/* Bits from bit 12 is reserved for function types (see CBC_FUNCTION_TYPE_SHIFT).
* Note: the last bits are used for type flags because < and >= operators can be used to