YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement function destructuring argument support. (#3322)

Browse Source 
Furthermore create unmapped arguments objects if a function has a non-simple argument.
A few destructuring pattern issues were fixed as well.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-11-18 14:15:36 +01:00
committed by Dániel Bátyai
parent 359643b5b2
commit 8bdb32cc88
19 changed files with 753 additions and 202 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/parser/js/js-scanner.h
+36 -2
View File
@@ -145,13 +145,19 @@ typedef enum
#if ENABLED (JERRY_ES2015)
SCANNER_STREAM_TYPE_LET, /**< let declaration */
SCANNER_STREAM_TYPE_CONST, /**< const declaration */
SCANNER_STREAM_TYPE_DESTRUCTURED_ARG, /**< destructuring argument declaration */
#endif /* ENABLED (JERRY_ES2015) */
#if ENABLED (JERRY_ES2015_MODULE_SYSTEM)
SCANNER_STREAM_TYPE_IMPORT, /**< module import */
#endif /* ENABLED (JERRY_ES2015_MODULE_SYSTEM) */
SCANNER_STREAM_TYPE_ARG, /**< argument declaration */
/* Function types should be at the end. See the SCANNER_STREAM_TYPE_IS_FUNCTION macro. */
SCANNER_STREAM_TYPE_ARG_FUNC, /**< argument declaration which is later initialized with a function */
SCANNER_STREAM_TYPE_ARG_FUNC, /**< argument declaration which
* is later initialized with a function */
#if ENABLED (JERRY_ES2015)
SCANNER_STREAM_TYPE_DESTRUCTURED_ARG_FUNC, /**< destructuring argument declaration which
* is later initialized with a function */
#endif /* ENABLED (JERRY_ES2015) */
SCANNER_STREAM_TYPE_FUNC, /**< local or global function declaration */
#if ENABLED (JERRY_ES2015)
SCANNER_STREAM_TYPE_FUNC_LOCAL, /**< always local function declaration */
@@ -164,10 +170,38 @@ typedef enum
#define SCANNER_STREAM_TYPE_MASK 0xf
/**
* Mask for decoding the type from the compressed stream.
* Checks whether the decoded type represents a function declaration.
*/
#define SCANNER_STREAM_TYPE_IS_FUNCTION(type) ((type) >= SCANNER_STREAM_TYPE_ARG_FUNC)
#if ENABLED (JERRY_ES2015)
/**
* Checks whether the decoded type represents a function argument.
*/
#define SCANNER_STREAM_TYPE_IS_ARG(type) \
((type) == SCANNER_STREAM_TYPE_ARG || (type) == SCANNER_STREAM_TYPE_DESTRUCTURED_ARG)
/**
* Checks whether the decoded type represents both a function argument and a function declaration.
*/
#define SCANNER_STREAM_TYPE_IS_ARG_FUNC(type) \
((type) == SCANNER_STREAM_TYPE_ARG_FUNC || (type) == SCANNER_STREAM_TYPE_DESTRUCTURED_ARG_FUNC)
#else /* !ENABLED (JERRY_ES2015) */
/**
* Checks whether the decoded type represents a function argument.
*/
#define SCANNER_STREAM_TYPE_IS_ARG(type) ((type) == SCANNER_STREAM_TYPE_ARG)
/**
* Checks whether the decoded type represents both a function argument and a function declaration.
*/
#define SCANNER_STREAM_TYPE_IS_ARG_FUNC(type) ((type) == SCANNER_STREAM_TYPE_ARG_FUNC)
#endif /* ENABLED (JERRY_ES2015) */
/**
* Constants for u8_arg flags in scanner_function_info_t.
*/