# Copyright 2008 the V8 project authors. All rights reserved.
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# modification, are permitted provided that the following conditions are
# met:
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#       with the distribution.
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#       contributors may be used to endorse or promote products derived
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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',
    'disassembler.cc', 'execution.cc', 'factory.cc', 'flags.cc', 'frames.cc',
    'global-handles.cc', 'handles.cc', 'hashmap.cc', 'heap.cc', 'ic.cc',
    'jsregexp.cc', 'log.cc', 'mark-compact.cc', 'messages.cc', 'objects.cc',
    'parser.cc', 'property.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', 'zone.cc'
  ],
  'arch:arm':  ['assembler-arm.cc', 'builtins-arm.cc', 'codegen-arm.cc',
      'cpu-arm.cc', 'disasm-arm.cc', 'frames-arm.cc', 'ic-arm.cc',
      'macro-assembler-arm.cc', 'stub-cache-arm.cc'],
  'arch:ia32': ['assembler-ia32.cc', 'builtins-ia32.cc', 'codegen-ia32.cc',
      'cpu-ia32.cc', 'disasm-ia32.cc', 'frames-ia32.cc', 'ic-ia32.cc',
      'macro-assembler-ia32.cc', 'stub-cache-ia32.cc'],
  'simulator:arm': ['simulator-arm.cc'],
  'os:linux':  ['platform-linux.cc'],
  'os:macos':  ['platform-macos.cc'],
  'os:nullos': ['platform-nullos.cc'],
  'os:win32':  ['platform-win32.cc'],
  'mode:release': [],
  'mode:debug': ['objects-debug.cc', 'prettyprinter.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
'''.split()


JSCRE_FILES = '''
pcre_compile.cpp
pcre_exec.cpp
pcre_tables.cpp
pcre_ucp_searchfuncs.cpp
pcre_xclass.cpp
'''.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)

  # 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)
  libraries_obj = context.ConfigureObject(env, libraries_src, CPPPATH=['.'])

  # Build JSCRE.
  jscre_env = env.Copy()
  jscre_env.Replace(**context.flags['jscre'])
  jscre_files = [join('third_party', 'jscre', s) for s in JSCRE_FILES]
  jscre_obj = context.ConfigureObject(jscre_env, jscre_files)

  # 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 = [jscre_obj, dtoa_obj, source_objs]

  # Create snapshot if necessary.
  empty_snapshot_obj = context.ConfigureObject(env, 'snapshot-empty.cc')
  if context.use_snapshot:
    mksnapshot_src = 'mksnapshot.cc'
    mksnapshot = env.Program('mksnapshot', [mksnapshot_src, libraries_obj, non_snapshot_files, empty_snapshot_obj], PDB='mksnapshot.exe.pdb')
    snapshot_cc = env.Snapshot('snapshot.cc', mksnapshot, LOGFILE=File('snapshot.log').abspath)
    snapshot_obj = context.ConfigureObject(env, snapshot_cc, CPPPATH=['.'])
    libraries_obj = context.ConfigureObject(env, libraries_empty_src, CPPPATH=['.'])
  else:
    snapshot_obj = empty_snapshot_obj

  return [non_snapshot_files, libraries_obj, snapshot_obj]


library_objects = ConfigureObjectFiles()
Return('library_objects')