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Change '{' regex parsing to work similarly to other engines (#2134) (#2169)

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Changed regex parsing to be able to handle opening braces
as other engines do, and also added a compile flag which
can disable this behaviour.

JerryScript-DCO-1.0-Signed-off-by: Szilard Ledan szledan@inf.u-szeged.hu
This commit is contained in:
Szilard Ledan
2018-01-24 12:18:44 +01:00
committed by Zoltan Herczeg
parent 1c64c1aeb7
commit a4afde2663
3 changed files with 71 additions and 35 deletions
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jerry-core/CMakeLists.txt
+41 -34
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@@ -17,23 +17,24 @@ set(JERRY_CORE_NAME jerry-core)
project (${JERRY_CORE_NAME} C)
# Optional features
set(FEATURE_CPOINTER_32_BIT OFF CACHE BOOL "Enable 32 bit compressed pointers?")
set(FEATURE_DEBUGGER OFF CACHE BOOL "Enable JerryScript debugger?")
set(FEATURE_ERROR_MESSAGES OFF CACHE BOOL "Enable error messages?")
set(FEATURE_EXTERNAL_CONTEXT OFF CACHE BOOL "Enable external context?")
set(FEATURE_JS_PARSER ON CACHE BOOL "Enable js-parser?")
set(FEATURE_MEM_STATS OFF CACHE BOOL "Enable memory statistics?")
set(FEATURE_MEM_STRESS_TEST OFF CACHE BOOL "Enable mem-stress test?")
set(FEATURE_PARSER_DUMP OFF CACHE BOOL "Enable parser byte-code dumps?")
set(FEATURE_PROFILE "es5.1" CACHE STRING "Use default or other profile?")
set(FEATURE_REGEXP_DUMP OFF CACHE BOOL "Enable regexp byte-code dumps?")
set(FEATURE_SNAPSHOT_EXEC OFF CACHE BOOL "Enable executing snapshot files?")
set(FEATURE_SNAPSHOT_SAVE OFF CACHE BOOL "Enable saving snapshot files?")
set(FEATURE_SYSTEM_ALLOCATOR OFF CACHE BOOL "Enable system allocator?")
set(FEATURE_VALGRIND OFF CACHE BOOL "Enable Valgrind support?")
set(FEATURE_VALGRIND_FREYA OFF CACHE BOOL "Enable Valgrind-Freya support?")
set(FEATURE_VM_EXEC_STOP OFF CACHE BOOL "Enable VM execution stopping?")
set(MEM_HEAP_SIZE_KB "512" CACHE STRING "Size of memory heap, in kilobytes")
set(FEATURE_CPOINTER_32_BIT OFF CACHE BOOL "Enable 32 bit compressed pointers?")
set(FEATURE_DEBUGGER OFF CACHE BOOL "Enable JerryScript debugger?")
set(FEATURE_ERROR_MESSAGES OFF CACHE BOOL "Enable error messages?")
set(FEATURE_EXTERNAL_CONTEXT OFF CACHE BOOL "Enable external context?")
set(FEATURE_JS_PARSER ON CACHE BOOL "Enable js-parser?")
set(FEATURE_MEM_STATS OFF CACHE BOOL "Enable memory statistics?")
set(FEATURE_MEM_STRESS_TEST OFF CACHE BOOL "Enable mem-stress test?")
set(FEATURE_PARSER_DUMP OFF CACHE BOOL "Enable parser byte-code dumps?")
set(FEATURE_PROFILE "es5.1" CACHE STRING "Use default or other profile?")
set(FEATURE_REGEXP_STRICT_MODE OFF CACHE BOOL "Enable regexp strict mode?")
set(FEATURE_REGEXP_DUMP OFF CACHE BOOL "Enable regexp byte-code dumps?")
set(FEATURE_SNAPSHOT_EXEC OFF CACHE BOOL "Enable executing snapshot files?")
set(FEATURE_SNAPSHOT_SAVE OFF CACHE BOOL "Enable saving snapshot files?")
set(FEATURE_SYSTEM_ALLOCATOR OFF CACHE BOOL "Enable system allocator?")
set(FEATURE_VALGRIND OFF CACHE BOOL "Enable Valgrind support?")
set(FEATURE_VALGRIND_FREYA OFF CACHE BOOL "Enable Valgrind-Freya support?")
set(FEATURE_VM_EXEC_STOP OFF CACHE BOOL "Enable VM execution stopping?")
set(MEM_HEAP_SIZE_KB "512" CACHE STRING "Size of memory heap, in kilobytes")
# Option overrides
if(FEATURE_SYSTEM_ALLOCATOR)
@@ -57,23 +58,24 @@ if(JERRY_CMDLINE_SNAPSHOT)
endif()
# Status messages
message(STATUS "FEATURE_CPOINTER_32_BIT " ${FEATURE_CPOINTER_32_BIT} ${FEATURE_CPOINTER_32_BIT_MESSAGE})
message(STATUS "FEATURE_DEBUGGER " ${FEATURE_DEBUGGER})
message(STATUS "FEATURE_ERROR_MESSAGES " ${FEATURE_ERROR_MESSAGES})
message(STATUS "FEATURE_EXTERNAL_CONTEXT " ${FEATURE_EXTERNAL_CONTEXT})
message(STATUS "FEATURE_JS_PARSER " ${FEATURE_JS_PARSER})
message(STATUS "FEATURE_MEM_STATS " ${FEATURE_MEM_STATS})
message(STATUS "FEATURE_MEM_STRESS_TEST " ${FEATURE_MEM_STRESS_TEST})
message(STATUS "FEATURE_PARSER_DUMP " ${FEATURE_PARSER_DUMP} ${FEATURE_PARSER_DUMP_MESSAGE})
message(STATUS "FEATURE_PROFILE " ${FEATURE_PROFILE})
message(STATUS "FEATURE_REGEXP_DUMP " ${FEATURE_REGEXP_DUMP})
message(STATUS "FEATURE_SNAPSHOT_EXEC " ${FEATURE_SNAPSHOT_EXEC} ${FEATURE_SNAPSHOT_EXEC_MESSAGE})
message(STATUS "FEATURE_SNAPSHOT_SAVE " ${FEATURE_SNAPSHOT_SAVE} ${FEATURE_SNAPSHOT_SAVE_MESSAGE})
message(STATUS "FEATURE_SYSTEM_ALLOCATOR " ${FEATURE_SYSTEM_ALLOCATOR})
message(STATUS "FEATURE_VALGRIND " ${FEATURE_VALGRIND})
message(STATUS "FEATURE_VALGRIND_FREYA " ${FEATURE_VALGRIND_FREYA})
message(STATUS "FEATURE_VM_EXEC_STOP " ${FEATURE_VM_EXEC_STOP})
message(STATUS "MEM_HEAP_SIZE_KB " ${MEM_HEAP_SIZE_KB})
message(STATUS "FEATURE_CPOINTER_32_BIT " ${FEATURE_CPOINTER_32_BIT} ${FEATURE_CPOINTER_32_BIT_MESSAGE})
message(STATUS "FEATURE_DEBUGGER " ${FEATURE_DEBUGGER})
message(STATUS "FEATURE_ERROR_MESSAGES " ${FEATURE_ERROR_MESSAGES})
message(STATUS "FEATURE_EXTERNAL_CONTEXT " ${FEATURE_EXTERNAL_CONTEXT})
message(STATUS "FEATURE_JS_PARSER " ${FEATURE_JS_PARSER})
message(STATUS "FEATURE_MEM_STATS " ${FEATURE_MEM_STATS})
message(STATUS "FEATURE_MEM_STRESS_TEST " ${FEATURE_MEM_STRESS_TEST})
message(STATUS "FEATURE_PARSER_DUMP " ${FEATURE_PARSER_DUMP} ${FEATURE_PARSER_DUMP_MESSAGE})
message(STATUS "FEATURE_PROFILE " ${FEATURE_PROFILE})
message(STATUS "FEATURE_REGEXP_STRICT_MODE " ${FEATURE_REGEXP_STRICT_MODE})
message(STATUS "FEATURE_REGEXP_DUMP " ${FEATURE_REGEXP_DUMP})
message(STATUS "FEATURE_SNAPSHOT_EXEC " ${FEATURE_SNAPSHOT_EXEC} ${FEATURE_SNAPSHOT_EXEC_MESSAGE})
message(STATUS "FEATURE_SNAPSHOT_SAVE " ${FEATURE_SNAPSHOT_SAVE} ${FEATURE_SNAPSHOT_SAVE_MESSAGE})
message(STATUS "FEATURE_SYSTEM_ALLOCATOR " ${FEATURE_SYSTEM_ALLOCATOR})
message(STATUS "FEATURE_VALGRIND " ${FEATURE_VALGRIND})
message(STATUS "FEATURE_VALGRIND_FREYA " ${FEATURE_VALGRIND_FREYA})
message(STATUS "FEATURE_VM_EXEC_STOP " ${FEATURE_VM_EXEC_STOP})
message(STATUS "MEM_HEAP_SIZE_KB " ${MEM_HEAP_SIZE_KB})
# Include directories
set(INCLUDE_CORE
@@ -224,6 +226,11 @@ if(JERRY_LIBC AND FEATURE_SYSTEM_ALLOCATOR)
MESSAGE(FATAL_ERROR "This configuration is not supported. Please build against your system libc to enable the system allocator.")
endif()
# RegExp strict mode
if(FEATURE_REGEXP_STRICT_MODE)
set(DEFINES_JERRY ${DEFINES_JERRY} ENABLE_REGEXP_STRICT_MODE)
endif()
# RegExp byte-code dumps
if(FEATURE_REGEXP_DUMP)
set(DEFINES_JERRY ${DEFINES_JERRY} REGEXP_DUMP_BYTE_CODE)