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Fix named function expression creation. (#2634)

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Create a local lexical environment with the name of the function. While
this is not too memory efficient, some corner cases requires its existence.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-12-12 12:50:03 +01:00
committed by Akos Kiss
parent 4f0b075f85
commit 83ee9cfca3
11 changed files with 182 additions and 147 deletions
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jerry-core/parser/js/common.h
+4 -5
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@@ -63,13 +63,12 @@ typedef enum
LEXER_FLAG_VAR = (1 << 0), /**< local identifier (var, function arg) */
LEXER_FLAG_NO_REG_STORE = (1 << 1), /**< this local identifier cannot be stored in register */
LEXER_FLAG_INITIALIZED = (1 << 2), /**< this local identifier is initialized with a value */
LEXER_FLAG_FUNCTION_NAME = (1 << 3), /**< this local identifier has a reference to the function itself */
LEXER_FLAG_FUNCTION_ARGUMENT = (1 << 4), /**< this local identifier is a function argument */
LEXER_FLAG_UNUSED_IDENT = (1 << 5), /**< this identifier is referenced by sub-functions,
LEXER_FLAG_FUNCTION_ARGUMENT = (1 << 3), /**< this local identifier is a function argument */
LEXER_FLAG_UNUSED_IDENT = (1 << 4), /**< this identifier is referenced by sub-functions,
* but not referenced by the currently parsed function */
LEXER_FLAG_SOURCE_PTR = (1 << 6), /**< the literal is directly referenced in the source code
LEXER_FLAG_SOURCE_PTR = (1 << 5), /**< the literal is directly referenced in the source code
* (no need to allocate memory) */
LEXER_FLAG_LATE_INIT = (1 << 7), /**< initialize this variable after the byte code is freed */
LEXER_FLAG_LATE_INIT = (1 << 6), /**< initialize this variable after the byte code is freed */
} lexer_literal_status_flags_t;
/**