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Implement proper creation of function arguments, let and const declarations. (#3725)

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After the rework it is possible to detect use before init errors for function arguments.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-05-12 14:38:17 +02:00
committed by GitHub
parent df7e303145
commit 4dc2cb3328
16 changed files with 729 additions and 218 deletions
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jerry-core/parser/js/byte-code.h
+10 -2
View File
@@ -312,8 +312,14 @@
VM_OC_CREATE_BINDING) \
CBC_OPCODE (CBC_CREATE_LOCAL, CBC_HAS_LITERAL_ARG, 0, \
VM_OC_CREATE_BINDING) \
CBC_OPCODE (CBC_INIT_LOCAL, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 0, \
VM_OC_INIT_LOCAL) \
CBC_OPCODE (CBC_INIT_ARG_OR_CATCH, CBC_HAS_LITERAL_ARG, -1, \
VM_OC_INIT_BINDING) \
CBC_OPCODE (CBC_INIT_LET, CBC_HAS_LITERAL_ARG, -1, \
VM_OC_INIT_BINDING) \
CBC_OPCODE (CBC_INIT_CONST, CBC_HAS_LITERAL_ARG, -1, \
VM_OC_INIT_BINDING) \
CBC_OPCODE (CBC_INIT_ARG_OR_FUNC, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 0, \
VM_OC_INIT_ARG_OR_FUNC) \
CBC_OPCODE (CBC_CREATE_VAR_EVAL, CBC_HAS_LITERAL_ARG, 0, \
VM_OC_VAR_EVAL) \
CBC_OPCODE (CBC_CREATE_VAR_FUNC_EVAL, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 0, \
@@ -498,6 +504,8 @@
VM_OC_MOV_IDENT | VM_OC_GET_STACK | VM_OC_PUT_IDENT) \
CBC_OPCODE (CBC_ASSIGN_LET_CONST, CBC_HAS_LITERAL_ARG, -1, \
VM_OC_ASSIGN_LET_CONST | VM_OC_GET_STACK) \
CBC_OPCODE (CBC_ASSIGN_LET_CONST_LITERAL, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 0, \
VM_OC_ASSIGN_LET_CONST | VM_OC_GET_LITERAL) \
CBC_OPCODE (CBC_ASSIGN_SUPER, CBC_NO_FLAG, -3, \
VM_OC_ASSIGN_SUPER) \
CBC_OPCODE (CBC_ASSIGN_SUPER_PUSH_RESULT, CBC_NO_FLAG, -2, \