[Isolates] Merge r 6300:6500 from bleeding_edge to isolates.

SConstruct

 # Copyright 2010 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import platform
 import re
 import sys
 import os
 from os.path import join, dirname, abspath
 from types import DictType, StringTypes
 root_dir = dirname(File('SConstruct').rfile().abspath)
-sys.path.append(join(root_dir, 'tools'))
+sys.path.insert(0, join(root_dir, 'tools'))
 import js2c, utils
 
 # ANDROID_TOP is the top of the Android checkout, fetched from the environment
 # variable 'TOP'.   You will also need to set the CXX, CC, AR and RANLIB
 # environment variables to the cross-compiling tools.
 ANDROID_TOP = os.environ.get('TOP')
 if ANDROID_TOP is None:
   ANDROID_TOP=""
 
 # ARM_TARGET_LIB is the path to the dynamic library to use on the target
@@ skipping 71 matching lines @@
       'CPPDEFINES':   ['OBJECT_PRINT'],
     },
     'protectheap:on': {
       'CPPDEFINES':   ['ENABLE_VMSTATE_TRACKING', 'ENABLE_HEAP_PROTECTION'],
     },
     'profilingsupport:on': {
       'CPPDEFINES':   ['ENABLE_VMSTATE_TRACKING', 'ENABLE_LOGGING_AND_PROFILING'],
     },
     'debuggersupport:on': {
       'CPPDEFINES':   ['ENABLE_DEBUGGER_SUPPORT'],
+    },
+    'inspector:on': {
+      'CPPDEFINES':   ['INSPECTOR'],
+    },
+    'liveobjectlist:on': {
+      'CPPDEFINES':   ['ENABLE_DEBUGGER_SUPPORT', 'INSPECTOR',
+                       'LIVE_OBJECT_LIST', 'OBJECT_PRINT'],
     }
   },
   'gcc': {
     'all': {
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
       'CXXFLAGS':     ['$CCFLAGS', '-fno-rtti', '-fno-exceptions'],
     },
     'visibility:hidden': {
       # Use visibility=default to disable this.
       'CXXFLAGS':     ['-fvisibility=hidden']
@@ skipping 85 matching lines @@
       'CCFLAGS':      ['-m32'],
       'LINKFLAGS':    ['-m32'],
     },
     'arch:x64': {
       'CPPDEFINES':   ['V8_TARGET_ARCH_X64'],
       'CCFLAGS':      ['-m64'],
       'LINKFLAGS':    ['-m64'],
     },
     'prof:oprofile': {
       'CPPDEFINES':   ['ENABLE_OPROFILE_AGENT']
+    },
+    'gdbjit:on': {
+      'CPPDEFINES':   ['ENABLE_GDB_JIT_INTERFACE']
     }
   },
   'msvc': {
     'all': {
       'CCFLAGS':      ['$DIALECTFLAGS', '$WARNINGFLAGS'],
       'CXXFLAGS':     ['$CCFLAGS', '/GR-', '/Gy'],
       'CPPDEFINES':   ['WIN32'],
       'LINKFLAGS':    ['/INCREMENTAL:NO', '/NXCOMPAT', '/IGNORE:4221'],
       'CCPDBFLAGS':   ['/Zi']
     },
@@ skipping 71 matching lines @@
     },
     'os:macos': {
       'WARNINGFLAGS': ['-pedantic']
     },
     'disassembler:on': {
       'CPPDEFINES':   ['ENABLE_DISASSEMBLER']
     }
   },
   'msvc': {
     'all': {
-      'WARNINGFLAGS': ['/W3', '/WX', '/wd4355', '/wd4800']
+      'WARNINGFLAGS': ['/W3', '/WX', '/wd4351', '/wd4355', '/wd4800']
     },
     'library:shared': {
       'CPPDEFINES': ['BUILDING_V8_SHARED'],
       'LIBS': ['winmm', 'ws2_32']
     },
     'arch:arm': {
       'CPPDEFINES':   ['V8_TARGET_ARCH_ARM'],
       # /wd4996 is to silence the warning about sscanf
       # used by the arm simulator.
       'WARNINGFLAGS': ['/wd4996']
@@ skipping 365 matching lines @@
   'snapshot': {
     'values': ['on', 'off', 'nobuild'],
     'default': 'off',
     'help': 'build using snapshots for faster start-up'
   },
   'prof': {
     'values': ['on', 'off', 'oprofile'],
     'default': 'off',
     'help': 'enable profiling of build target'
   },
+  'gdbjit': {
+    'values': ['on', 'off'],
+    'default': 'off',
+    'help': 'enable GDB JIT interface'
+  },
   'library': {
     'values': ['static', 'shared'],
     'default': 'static',
     'help': 'the type of library to produce'
   },
   'vmstate': {
     'values': ['on', 'off'],
     'default': 'off',
     'help': 'enable VM state tracking'
   },
@@ skipping 10 matching lines @@
   'profilingsupport': {
     'values': ['on', 'off'],
     'default': 'on',
     'help': 'enable profiling of JavaScript code'
   },
   'debuggersupport': {
     'values': ['on', 'off'],
     'default': 'on',
     'help': 'enable debugging of JavaScript code'
   },
+  'inspector': {
+    'values': ['on', 'off'],
+    'default': 'off',
+    'help': 'enable inspector features'
+  },
+  'liveobjectlist': {
+    'values': ['on', 'off'],
+    'default': 'off',
+    'help': 'enable live object list features in the debugger'
+  },
   'soname': {
     'values': ['on', 'off'],
     'default': 'off',
     'help': 'turn on setting soname for Linux shared library'
   },
   'msvcrt': {
     'values': ['static', 'shared'],
     'default': 'static',
     'help': 'the type of Microsoft Visual C++ runtime library to use'
   },
@@ skipping 116 matching lines @@
 
 def VerifyOptions(env):
   if not IsLegal(env, 'mode', ['debug', 'release']):
     return False
   if not IsLegal(env, 'sample', ["shell", "process", "lineprocessor"]):
     return False
   if not IsLegal(env, 'regexp', ["native", "interpreted"]):
     return False
   if env['os'] == 'win32' and env['library'] == 'shared' and env['prof'] == 'on':
     Abort("Profiling on windows only supported for static library.")
+  if env['gdbjit'] == 'on' and (env['os'] != 'linux' or (env['arch'] != 'ia32' and env['arch'] != 'x64')):
+    Abort("GDBJIT interface is supported only for Intel-compatible (ia32 or x64) Linux target.")
   if env['prof'] == 'oprofile' and env['os'] != 'linux':
     Abort("OProfile is only supported on Linux.")
   if env['os'] == 'win32' and env['soname'] == 'on':
     Abort("Shared Object soname not applicable for Windows.")
   if env['soname'] == 'on' and env['library'] == 'static':
     Abort("Shared Object soname not applicable for static library.")
   if env['os'] != 'win32' and env['pgo'] != 'off':
     Abort("Profile guided optimization only supported on Windows.")
   if env['cache'] and not os.path.isdir(env['cache']):
     Abort("The specified cache directory does not exist.")
@@ skipping 99 matching lines @@
     options['profilingsupport'] = 'on'
   if os == 'win32' and options['pgo'] != 'off' and options['msvcltcg'] == 'off':
     if 'msvcltcg' in ARGUMENTS:
       print "Warning: forcing msvcltcg on as it is required for pgo (%s)" % options['pgo']
     options['msvcltcg'] = 'on'
   if options['arch'] == 'mips':
     if ('regexp' in ARGUMENTS) and options['regexp'] == 'native':
       # Print a warning if native regexp is specified for mips
       print "Warning: forcing regexp to interpreted for mips"
     options['regexp'] = 'interpreted'
+  if options['liveobjectlist'] == 'on':
+    if (options['debuggersupport'] != 'on') or (options['mode'] == 'release'):
+      # Print a warning that liveobjectlist will implicitly enable the debugger
+      print "Warning: forcing debuggersupport on for liveobjectlist"
+    options['debuggersupport'] = 'on'
+    options['inspector'] = 'on'
+    options['objectprint'] = 'on'
 
 
 def ParseEnvOverrides(arg, imports):
   # The environment overrides are in the format NAME0:value0,NAME1:value1,...
   # The environment imports are in the format NAME0,NAME1,...
   overrides = {}
   for var in imports.split(','):
     if var in os.environ:
       overrides[var] = os.environ[var]
   for override in arg.split(','):
@@ skipping 154 matching lines @@
 # version of scons.  Also, there's a bug in some revisions that
 # doesn't allow this flag to be set, so we swallow any exceptions.
 # Lovely.
 try:
   SetOption('warn', 'no-deprecated')
 except:
   pass
 
 
 Build()