Move V8 to external/v8

Change-Id: If68025d67453785a651c5dfb34fad298c16676a4
diff --git a/src/SConscript b/src/SConscript
new file mode 100755
index 0000000..b6c2b4d
--- /dev/null
+++ b/src/SConscript
@@ -0,0 +1,197 @@
+# Copyright 2008 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
+#       with the distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived
+#       from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (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 sys
+from os.path import join, dirname, abspath
+root_dir = dirname(File('SConstruct').rfile().abspath)
+sys.path.append(join(root_dir, 'tools'))
+import js2c
+Import('context')
+
+
+SOURCES = {
+  'all': [
+    'accessors.cc', 'allocation.cc', 'api.cc', 'assembler.cc', 'ast.cc',
+    'bootstrapper.cc', 'builtins.cc', 'checks.cc', 'code-stubs.cc',
+    'codegen.cc', 'compilation-cache.cc', 'compiler.cc', 'contexts.cc',
+    'conversions.cc', 'counters.cc', 'dateparser.cc', 'debug.cc',
+    'debug-agent.cc', 'disassembler.cc', 'execution.cc', 'factory.cc',
+    'flags.cc', 'frame-element.cc', 'frames.cc', 'func-name-inferrer.cc',
+    'global-handles.cc', 'handles.cc', 'hashmap.cc', 'heap.cc',
+    'heap-profiler.cc', 'ic.cc', 'interpreter-irregexp.cc', 'jsregexp.cc',
+    'jump-target.cc', 'log.cc', 'log-utils.cc', 'mark-compact.cc',
+    'messages.cc', 'objects.cc', 'oprofile-agent.cc', 'parser.cc',
+    'property.cc', 'regexp-macro-assembler.cc',
+    'regexp-macro-assembler-irregexp.cc', 'regexp-stack.cc',
+    'register-allocator.cc', 'rewriter.cc', 'runtime.cc', 'scanner.cc',
+    'scopeinfo.cc', 'scopes.cc', 'serialize.cc', 'snapshot-common.cc',
+    'spaces.cc', 'string-stream.cc', 'stub-cache.cc', 'token.cc', 'top.cc',
+    'unicode.cc', 'usage-analyzer.cc', 'utils.cc', 'v8-counters.cc',
+    'v8.cc', 'v8threads.cc', 'variables.cc', 'version.cc',
+    'virtual-frame.cc', 'zone.cc'
+  ],
+  'arch:arm': [
+    'arm/assembler-arm.cc', 'arm/builtins-arm.cc', 'arm/codegen-arm.cc',
+    'arm/constants-arm.cc', 'arm/cpu-arm.cc', 'arm/disasm-arm.cc',
+    'arm/debug-arm.cc', 'arm/frames-arm.cc', 'arm/ic-arm.cc',
+    'arm/jump-target-arm.cc', 'arm/macro-assembler-arm.cc',
+    'arm/regexp-macro-assembler-arm.cc', 'arm/register-allocator-arm.cc',
+    'arm/stub-cache-arm.cc', 'arm/virtual-frame-arm.cc'
+  ],
+  'arch:ia32': [
+    'ia32/assembler-ia32.cc', 'ia32/builtins-ia32.cc',
+    'ia32/codegen-ia32.cc', 'ia32/cpu-ia32.cc', 'ia32/disasm-ia32.cc',
+    'ia32/debug-ia32.cc', 'ia32/frames-ia32.cc', 'ia32/ic-ia32.cc',
+    'ia32/jump-target-ia32.cc', 'ia32/macro-assembler-ia32.cc',
+    'ia32/regexp-macro-assembler-ia32.cc',
+    'ia32/register-allocator-ia32.cc', 'ia32/stub-cache-ia32.cc',
+    'ia32/virtual-frame-ia32.cc'
+  ],
+  'arch:x64': [
+    'x64/assembler-x64.cc', 'x64/builtins-x64.cc', 'x64/codegen-x64.cc',
+    'x64/cpu-x64.cc', 'x64/disasm-x64.cc', 'x64/debug-x64.cc',
+    'x64/frames-x64.cc', 'x64/ic-x64.cc', 'x64/jump-target-x64.cc',
+    'x64/macro-assembler-x64.cc', 'x64/regexp-macro-assembler-x64.cc',
+    'x64/register-allocator-x64.cc', 'x64/stub-cache-x64.cc',
+    'x64/virtual-frame-x64.cc'
+  ],
+  'simulator:arm': ['arm/simulator-arm.cc'],
+  'os:freebsd': ['platform-freebsd.cc', 'platform-posix.cc'],
+  'os:linux':   ['platform-linux.cc', 'platform-posix.cc'],
+  'os:android': ['platform-linux.cc', 'platform-posix.cc'],
+  'os:macos':   ['platform-macos.cc', 'platform-posix.cc'],
+  'os:nullos':  ['platform-nullos.cc'],
+  'os:win32':   ['platform-win32.cc'],
+  'mode:release': [],
+  'mode:debug': [
+    'objects-debug.cc', 'prettyprinter.cc', 'regexp-macro-assembler-tracer.cc'
+  ]
+}
+
+
+D8_FILES = {
+  'all': [
+    'd8.cc', 'd8-debug.cc'
+  ],
+  'os:linux': [
+    'd8-posix.cc'
+  ],
+  'os:macos': [
+    'd8-posix.cc'
+  ],
+  'os:android': [
+    'd8-posix.cc'
+  ],
+  'os:freebsd': [
+    'd8-posix.cc'
+  ],
+  'os:win32': [
+    'd8-windows.cc'
+  ],
+  'os:nullos': [
+    'd8-windows.cc'   # Empty implementation at the moment.
+  ],
+  'console:readline': [
+    'd8-readline.cc'
+  ]
+}
+
+
+LIBRARY_FILES = '''
+runtime.js
+v8natives.js
+array.js
+string.js
+uri.js
+math.js
+messages.js
+apinatives.js
+debug-delay.js
+mirror-delay.js
+date-delay.js
+regexp-delay.js
+json-delay.js
+'''.split()
+
+
+def Abort(message):
+  print message
+  sys.exit(1)
+
+
+def ConfigureObjectFiles():
+  env = Environment()
+  env.Replace(**context.flags['v8'])
+  context.ApplyEnvOverrides(env)
+  env['BUILDERS']['JS2C'] = Builder(action=js2c.JS2C)
+  env['BUILDERS']['Snapshot'] = Builder(action='$SOURCE $TARGET --logfile "$LOGFILE"')
+
+  # Build the standard platform-independent source files.
+  source_files = context.GetRelevantSources(SOURCES)
+
+  d8_files = context.GetRelevantSources(D8_FILES)
+  d8_js = env.JS2C('d8-js.cc', 'd8.js', TYPE='D8')
+  d8_js_obj = context.ConfigureObject(env, d8_js, CPPPATH=['.'])
+  d8_objs = [context.ConfigureObject(env, [d8_files]), d8_js_obj]
+
+  # Combine the JavaScript library files into a single C++ file and
+  # compile it.
+  library_files = [s for s in LIBRARY_FILES]
+  library_files.append('macros.py')
+  libraries_src, libraries_empty_src = env.JS2C(['libraries.cc', 'libraries-empty.cc'], library_files, TYPE='CORE')
+  libraries_obj = context.ConfigureObject(env, libraries_src, CPPPATH=['.'])
+
+  # Build dtoa.
+  dtoa_env = env.Copy()
+  dtoa_env.Replace(**context.flags['dtoa'])
+  dtoa_files = ['dtoa-config.c']
+  dtoa_obj = context.ConfigureObject(dtoa_env, dtoa_files)
+
+  source_objs = context.ConfigureObject(env, source_files)
+  non_snapshot_files = [dtoa_obj, source_objs]
+
+  # Create snapshot if necessary.
+  empty_snapshot_obj = context.ConfigureObject(env, 'snapshot-empty.cc')
+  mksnapshot_env = env.Copy()
+  mksnapshot_env.Replace(**context.flags['mksnapshot'])
+  mksnapshot_src = 'mksnapshot.cc'
+  mksnapshot = mksnapshot_env.Program('mksnapshot', [mksnapshot_src, libraries_obj, non_snapshot_files, empty_snapshot_obj], PDB='mksnapshot.exe.pdb')
+  if context.use_snapshot:
+    if context.build_snapshot:
+      snapshot_cc = env.Snapshot('snapshot.cc', mksnapshot, LOGFILE=File('snapshot.log').abspath)
+    else:
+      snapshot_cc = Command('snapshot.cc', [], [])
+    snapshot_obj = context.ConfigureObject(env, snapshot_cc, CPPPATH=['.'])
+    libraries_obj = context.ConfigureObject(env, libraries_empty_src, CPPPATH=['.'])
+  else:
+    snapshot_obj = empty_snapshot_obj
+  library_objs = [non_snapshot_files, libraries_obj, snapshot_obj]
+  return (library_objs, d8_objs, [mksnapshot])
+
+
+(library_objs, d8_objs, mksnapshot) = ConfigureObjectFiles()
+Return('library_objs d8_objs mksnapshot')