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Support parsing async modifiers for functions. (#3460)

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Only parsing is implemented, so the async functions currently behave
like normal function except they return with a resolved Promise object
when the function is terminated correctly.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-12-20 09:55:41 +01:00
committed by GitHub
parent 2a29b72a83
commit 8cb2be6001
22 changed files with 873 additions and 234 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/parser/js/byte-code.h
+31 -21
View File
@@ -550,6 +550,14 @@
VM_OC_PUSH_LIT_POS_BYTE | VM_OC_GET_LITERAL) \
CBC_OPCODE (CBC_EXT_PUSH_LITERAL_PUSH_NUMBER_NEG_BYTE, CBC_HAS_LITERAL_ARG | CBC_HAS_BYTE_ARG, 2, \
VM_OC_PUSH_LIT_NEG_BYTE | VM_OC_GET_LITERAL) \
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, \
VM_OC_STRING_CONCAT | VM_OC_GET_STACK_LITERAL | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_STRING_CONCAT_TWO_LITERALS, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 1, \
VM_OC_STRING_CONCAT | VM_OC_GET_LITERAL_LITERAL | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_GET_TAGGED_TEMPLATE_LITERAL, CBC_HAS_BYTE_ARG, 1, \
VM_OC_GET_TEMPLATE_OBJECT | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_CLONE_CONTEXT, CBC_NO_FLAG, 0, \
VM_OC_CLONE_CONTEXT) \
CBC_OPCODE (CBC_EXT_CLONE_FULL_CONTEXT, CBC_NO_FLAG, 0, \
@@ -558,6 +566,12 @@
VM_OC_RESOURCE_NAME) \
CBC_OPCODE (CBC_EXT_LINE, CBC_NO_FLAG, 0, \
VM_OC_LINE) \
CBC_OPCODE (CBC_EXT_ERROR, CBC_NO_FLAG, 0, \
VM_OC_ERROR) \
CBC_OPCODE (CBC_EXT_THROW_REFERENCE_ERROR, CBC_NO_FLAG, 1, \
VM_OC_THROW_REFERENCE_ERROR) \
\
/* Computed / class property related opcodes. */ \
CBC_OPCODE (CBC_EXT_SET_COMPUTED_PROPERTY, CBC_NO_FLAG, -2, \
VM_OC_SET_COMPUTED_PROPERTY | VM_OC_NON_STATIC_FLAG | VM_OC_GET_STACK_STACK) \
CBC_OPCODE (CBC_EXT_SET_COMPUTED_PROPERTY_LITERAL, CBC_HAS_LITERAL_ARG, -1, \
@@ -578,10 +592,8 @@
VM_OC_SET_GETTER | VM_OC_GET_STACK_LITERAL) \
CBC_OPCODE (CBC_EXT_SET_STATIC_COMPUTED_SETTER, CBC_HAS_LITERAL_ARG, -1, \
VM_OC_SET_SETTER | VM_OC_GET_STACK_LITERAL) \
CBC_OPCODE (CBC_EXT_THROW_REFERENCE_ERROR, CBC_NO_FLAG, 1, \
VM_OC_THROW_REFERENCE_ERROR) \
\
/* Class opcodes */ \
/* Class related opcodes. */ \
CBC_OPCODE (CBC_EXT_INHERIT_AND_SET_CONSTRUCTOR, CBC_NO_FLAG, 0, \
VM_OC_CLASS_INHERITANCE) \
CBC_OPCODE (CBC_EXT_PUSH_CLASS_CONSTRUCTOR_AND_PROTOTYPE, CBC_NO_FLAG, 2, \
@@ -632,20 +644,12 @@
VM_OC_SUPER_PROP_REFERENCE) \
CBC_OPCODE (CBC_EXT_CONSTRUCTOR_RETURN, CBC_NO_FLAG, -1, \
VM_OC_CONSTRUCTOR_RET | VM_OC_GET_STACK) \
CBC_OPCODE (CBC_EXT_ERROR, CBC_NO_FLAG, 0, \
VM_OC_ERROR) \
\
/* Spread / rest operation related opcodes. */ \
CBC_OPCODE (CBC_EXT_PUSH_SPREAD_ELEMENT, CBC_NO_FLAG, 1, \
VM_OC_PUSH_SPREAD_ELEMENT) \
CBC_OPCODE (CBC_EXT_SPREAD_ARRAY_APPEND, CBC_HAS_POP_STACK_BYTE_ARG, 0, \
VM_OC_APPEND_ARRAY) \
CBC_OPCODE (CBC_EXT_GET_ITERATOR, CBC_NO_FLAG, 1, \
VM_OC_GET_ITERATOR) \
CBC_OPCODE (CBC_EXT_ITERATOR_STEP, CBC_NO_FLAG, 1, \
VM_OC_ITERATOR_STEP) \
CBC_OPCODE (CBC_EXT_ITERATOR_STEP_PROP, CBC_NO_FLAG, 1, \
VM_OC_ITERATOR_STEP) \
CBC_OPCODE (CBC_EXT_ITERATOR_CLOSE, CBC_NO_FLAG, -1, \
VM_OC_ITERATOR_CLOSE | VM_OC_GET_STACK) \
CBC_OPCODE (CBC_EXT_REST_INITIALIZER, CBC_NO_FLAG, 1, \
VM_OC_REST_INITIALIZER) \
CBC_OPCODE (CBC_EXT_REST_INITIALIZER_PROP, CBC_NO_FLAG, 1, \
@@ -654,6 +658,18 @@
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) \
\
/* Iterator related opcodes. */ \
CBC_OPCODE (CBC_EXT_GET_ITERATOR, CBC_NO_FLAG, 1, \
VM_OC_GET_ITERATOR) \
CBC_OPCODE (CBC_EXT_ITERATOR_STEP, CBC_NO_FLAG, 1, \
VM_OC_ITERATOR_STEP) \
CBC_OPCODE (CBC_EXT_ITERATOR_STEP_PROP, CBC_NO_FLAG, 1, \
VM_OC_ITERATOR_STEP) \
CBC_OPCODE (CBC_EXT_ITERATOR_CLOSE, CBC_NO_FLAG, -1, \
VM_OC_ITERATOR_CLOSE | VM_OC_GET_STACK) \
\
/* Executable object related opcodes. */ \
CBC_OPCODE (CBC_EXT_CREATE_GENERATOR, CBC_NO_FLAG, 1, \
VM_OC_CREATE_GENERATOR) \
CBC_OPCODE (CBC_EXT_YIELD, CBC_NO_FLAG, 0, \
@@ -662,14 +678,8 @@
VM_OC_YIELD | VM_OC_GET_STACK) \
CBC_OPCODE (CBC_EXT_RETURN, CBC_NO_FLAG, -1, \
VM_OC_EXT_RETURN | VM_OC_GET_STACK) \
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, \
VM_OC_STRING_CONCAT | VM_OC_GET_STACK_LITERAL | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_STRING_CONCAT_TWO_LITERALS, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 1, \
VM_OC_STRING_CONCAT | VM_OC_GET_LITERAL_LITERAL | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_GET_TAGGED_TEMPLATE_LITERAL, CBC_HAS_BYTE_ARG, 1, \
VM_OC_GET_TEMPLATE_OBJECT | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_RETURN_PROMISE, CBC_NO_FLAG, -1, \
VM_OC_RETURN_PROMISE | VM_OC_GET_STACK) \
\
/* Last opcode (not a real opcode). */ \
CBC_OPCODE (CBC_EXT_END, CBC_NO_FLAG, 0, \