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Implement throwing const re-assignment error. (#3697)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-04-29 15:50:22 +02:00
committed by GitHub
parent 9e6c44be4f
commit 4b780507e1
14 changed files with 220 additions and 52 deletions
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jerry-core/vm/vm.c
+5
View File
@@ -1506,6 +1506,11 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
}
continue;
}
case VM_OC_THROW_CONST_ERROR:
{
result = ecma_raise_type_error (ECMA_ERR_MSG ("Constant bindings cannot be reassigned."));
goto error;
}
case VM_OC_COPY_TO_GLOBAL:
{
uint32_t literal_index;
jerry-core/vm/vm.h
+2
View File
@@ -235,6 +235,7 @@ typedef enum
VM_OC_CHECK_VAR, /**< check redeclared vars in the global scope */
VM_OC_CHECK_LET, /**< check redeclared lets in the global scope */
VM_OC_ASSIGN_LET_CONST, /**< assign values to let/const declarations */
VM_OC_THROW_CONST_ERROR, /**< throw invalid assignment to const variable error */
VM_OC_COPY_TO_GLOBAL, /**< copy value to global lex env */
VM_OC_CLONE_CONTEXT, /**< clone lexical environment with let/const declarations */
VM_OC_SET_COMPUTED_PROPERTY, /**< set computed property */
@@ -296,6 +297,7 @@ typedef enum
VM_OC_CHECK_VAR = VM_OC_NONE, /**< check redeclared vars in the global scope */
VM_OC_CHECK_LET = VM_OC_NONE, /**< check redeclared lets in the global scope */
VM_OC_ASSIGN_LET_CONST = VM_OC_NONE, /**< assign values to let/const declarations */
VM_OC_THROW_CONST_ERROR = VM_OC_NONE, /**< throw invalid assignment to const variable error */
VM_OC_COPY_TO_GLOBAL = VM_OC_NONE, /**< copy value to global lex env */
VM_OC_CLONE_CONTEXT = VM_OC_NONE, /**< clone lexical environment with let/const declarations */
VM_OC_SET_COMPUTED_PROPERTY = VM_OC_NONE, /**< set computed property is unused */