# Copyright 2008 Google Inc.  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('toolchain arch os mode use_snapshot library_type')


BUILD_OPTIONS_MAP = {
  'gcc': {
    'debug': {
      'default': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -g -O0',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'ENABLE_DISASSEMBLER', 'DEBUG'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-pedantic -Wall -W -Wno-unused-parameter -Werror'
      },
      'dtoa': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -g -O0',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'ENABLE_DISASSEMBLER', 'DEBUG'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-Werror'
      },
      'jscre': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -g -O0',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'ENABLE_DISASSEMBLER', 'DEBUG', 'SUPPORT_UTF8', 'NO_RECURSE', 'SUPPORT_UCP'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-w'
      }
    },
    'release': {
      'default': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -O2',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-pedantic -Wall -W -Wno-unused-parameter -Werror'
      },
      'dtoa': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -O2',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-Werror'
      },
      'jscre': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -O2',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'SUPPORT_UTF8', 'NO_RECURSE', 'SUPPORT_UCP'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-w'
      }
    }
  },
  'gcc-darwin': {
    'debug': {
      'default': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -g -O0',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'ENABLE_DISASSEMBLER', 'DEBUG'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-pedantic -Wall -W -Wno-unused-parameter -Werror'
      },
      'dtoa': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -g -O0',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'ENABLE_DISASSEMBLER', 'DEBUG'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-Werror'
      },
      'jscre': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -g -O0',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'ENABLE_DISASSEMBLER', 'DEBUG', 'SUPPORT_UTF8', 'NO_RECURSE', 'SUPPORT_UCP'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-w'
      }
    },
    'release': {
      'default': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -O2',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-pedantic -Wall -W -Wno-unused-parameter -Werror'
      },
      'dtoa': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -O2',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-Werror'
      },
      'jscre': {
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS -O2',
        'CPPDEFINES': ['ENABLE_LOGGING_AND_PROFILING', 'SUPPORT_UTF8', 'NO_RECURSE', 'SUPPORT_UCP'],
        'CXXFLAGS': '$CCFLAGS -fno-rtti -fno-exceptions',
        'DIALECTFLAGS': '-ansi',
        'LIBS': 'pthread',
        'WARNINGFLAGS': '-w'
      }
    }
  },
  'msvc': {
    'debug': {
      'default': {
        'ARFLAGS': '/NOLOGO',
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS /Od /Gm /MTd',
        'CCPDBFLAGS': '/Zi',
        'CPPDEFINES': ['WIN32', '_CRT_SECURE_NO_DEPRECATE', '_CRT_NONSTDC_NO_DEPRECATE', '_USE_32BIT_TIME_T', 'PCRE_STATIC', 'ENABLE_LOGGING_AND_PROFILING', 'DEBUG', '_DEBUG', 'ENABLE_DISASSEMBLER'],
        'CXXFLAGS': '$CCFLAGS /EHsc /GS- /GR-',
        'DIALECTFLAGS': '/nologo',
        'LIBS': 'WS2_32',
        'LINKFLAGS': '/NOLOGO /SUBSYSTEM:CONSOLE /MACHINE:X86 /INCREMENTAL:NO /DEBUG',
        'PDB': '${TARGET}.pdb',
        'WARNINGFLAGS': '/W3 /WX /wd4355 /wd4800'
      },
      'dtoa': {
        'ARFLAGS': '/NOLOGO',
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS /Od /Gm /MTd',
        'CCPDBFLAGS': '/Zi',
        'CPPDEFINES': ['WIN32', '_CRT_SECURE_NO_DEPRECATE', '_CRT_NONSTDC_NO_DEPRECATE', '_USE_32BIT_TIME_T', 'PCRE_STATIC', 'ENABLE_LOGGING_AND_PROFILING', 'DEBUG', '_DEBUG', 'ENABLE_DISASSEMBLER'],
        'CXXFLAGS': '$CCFLAGS /EHsc /GS- /GR-',
        'DIALECTFLAGS': '/nologo',
        'LIBS': 'WS2_32',
        'LINKFLAGS': '/NOLOGO /SUBSYSTEM:CONSOLE /MACHINE:X86 /INCREMENTAL:NO /DEBUG',
        'PDB': '${TARGET}.pdb',
        'WARNINGFLAGS': '/WX /wd4018 /wd4244'
      },
      'jscre': {
        'ARFLAGS': '/NOLOGO',
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS /Od /Gm /MTd',
        'CCPDBFLAGS': '/Zi',
        'CPPDEFINES': ['WIN32', '_CRT_SECURE_NO_DEPRECATE', '_CRT_NONSTDC_NO_DEPRECATE', '_USE_32BIT_TIME_T', 'PCRE_STATIC', 'ENABLE_LOGGING_AND_PROFILING', 'DEBUG', '_DEBUG', 'ENABLE_DISASSEMBLER', 'SUPPORT_UTF8', 'NO_RECURSE', 'SUPPORT_UCP'],
        'CXXFLAGS': '$CCFLAGS /EHsc /GS- /GR-',
        'DIALECTFLAGS': '/nologo',
        'LIBS': 'WS2_32',
        'LINKFLAGS': '/NOLOGO /SUBSYSTEM:CONSOLE /MACHINE:X86 /INCREMENTAL:NO /DEBUG',
        'PDB': '${TARGET}.pdb',
        'WARNINGFLAGS': '/WX /wd4003 /wd4005 /wd4018 /wd4133'
      }
    },
    'release': {
      'default': {
        'ARFLAGS': '/NOLOGO',
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS /O2 /MT',
        'CCPDBFLAGS': '/Zi',
        'CPPDEFINES': ['WIN32', '_CRT_SECURE_NO_DEPRECATE', '_CRT_NONSTDC_NO_DEPRECATE', '_USE_32BIT_TIME_T', 'PCRE_STATIC', 'ENABLE_LOGGING_AND_PROFILING'],
        'CXXFLAGS': '$CCFLAGS /EHsc /GS- /GR-',
        'DIALECTFLAGS': '/nologo',
        'LIBS': 'WS2_32',
        'LINKFLAGS': '/NOLOGO /SUBSYSTEM:CONSOLE /MACHINE:X86 /INCREMENTAL:NO /OPT:REF /OPT:ICF /SUBSYSTEM:CONSOLE',
        'PDB': '${TARGET}.pdb',
        'WARNINGFLAGS': '/W3 /WX /wd4355 /wd4800'
      },
      'dtoa': {
        'ARFLAGS': '/NOLOGO',
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS /O2 /MT',
        'CCPDBFLAGS': '/Zi',
        'CPPDEFINES': ['WIN32', '_CRT_SECURE_NO_DEPRECATE', '_CRT_NONSTDC_NO_DEPRECATE', '_USE_32BIT_TIME_T', 'PCRE_STATIC', 'ENABLE_LOGGING_AND_PROFILING'],
        'CXXFLAGS': '$CCFLAGS /EHsc /GS- /GR-',
        'DIALECTFLAGS': '/nologo',
        'LIBS': 'WS2_32',
        'LINKFLAGS': '/NOLOGO /SUBSYSTEM:CONSOLE /MACHINE:X86 /INCREMENTAL:NO /OPT:REF /OPT:ICF /SUBSYSTEM:CONSOLE',
        'PDB': '${TARGET}.pdb',
        'WARNINGFLAGS': '/WX /wd4018 /wd4244'
      },
      'jscre': {
        'ARFLAGS': '/NOLOGO',
        'CCFLAGS': '$DIALECTFLAGS $WARNINGFLAGS /O2 /MT',
        'CCPDBFLAGS': '/Zi',
        'CPPDEFINES': ['WIN32', '_CRT_SECURE_NO_DEPRECATE', '_CRT_NONSTDC_NO_DEPRECATE', '_USE_32BIT_TIME_T', 'PCRE_STATIC', 'ENABLE_LOGGING_AND_PROFILING', 'SUPPORT_UTF8', 'NO_RECURSE', 'SUPPORT_UCP'],
        'CXXFLAGS': '$CCFLAGS /EHsc /GS- /GR-',
        'DIALECTFLAGS': '/nologo',
        'LIBS': 'WS2_32',
        'LINKFLAGS': '/NOLOGO /SUBSYSTEM:CONSOLE /MACHINE:X86 /INCREMENTAL:NO /OPT:REF /OPT:ICF /SUBSYSTEM:CONSOLE',
        'PDB': '${TARGET}.pdb',
        'WARNINGFLAGS': '/WX /wd4003 /wd4005 /wd4018 /wd4133'
      }
    }
  }
}


PLATFORM_INDEPENDENT_SOURCES = '''
accessors.cc
allocation.cc
api.cc
assembler.cc
ast.cc
bootstrapper.cc
builtins.cc
checks.cc
code-stubs.cc
codegen.cc
compiler.cc
contexts.cc
conversions.cc
counters.cc
dateparser.cc
debug.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-debug.cc
objects.cc
parser.cc
prettyprinter.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
'''.split()


PLATFORM_DEPENDENT_SOURCES = {
  'arch:arm': ['assembler-arm.cc', 'builtins-arm.cc', 'codegen-arm.cc', 'cpu-arm.cc', 'disasm-arm.cc', 'disassembler-arm.cc', 'frames-arm.cc', 'ic-arm.cc', 'macro-assembler-arm.cc', 'simulator-arm.cc', 'stub-cache-arm.cc'],
  'arch:ia32': ['assembler-ia32.cc', 'builtins-ia32.cc', 'codegen-ia32.cc', 'cpu-ia32.cc', 'disasm-ia32.cc', 'disassembler-ia32.cc', 'frames-ia32.cc', 'ic-ia32.cc', 'macro-assembler-ia32.cc', 'simulator-ia32.cc', 'stub-cache-ia32.cc'],
  'os:linux': ['platform-linux.cc'],
  'os:macos': ['platform-macos.cc'],
  'os:win32': ['platform-win32.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 BuildObject(env, input, **kw):
  if library_type == 'static':
    return env.StaticObject(input, **kw)
  elif library_type == 'shared':
    return env.SharedObject(input, **kw)
  else:
    return env.Object(input, **kw)


def ConfigureBuild():
  env = Environment()
  options = BUILD_OPTIONS_MAP[toolchain][mode]['default']
  env.Replace(**options)
  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 = PLATFORM_INDEPENDENT_SOURCES
  source_files += PLATFORM_DEPENDENT_SOURCES["arch:%s" % arch]
  source_files += PLATFORM_DEPENDENT_SOURCES["os:%s" % os]
  full_source_files = [s for s in source_files]

  # 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 = BuildObject(env, libraries_src, CPPPATH=['.'])

  # Build JSCRE.
  jscre_env = env.Copy()
  jscre_options = BUILD_OPTIONS_MAP[toolchain][mode]['jscre']
  jscre_env.Replace(**jscre_options)
  jscre_files = [join('third_party', 'jscre', s) for s in JSCRE_FILES]
  jscre_obj = BuildObject(jscre_env, jscre_files)

  # Build dtoa.
  dtoa_env = env.Copy()
  dtoa_options = BUILD_OPTIONS_MAP[toolchain][mode]['dtoa']
  dtoa_env.Replace(**dtoa_options)
  dtoa_files = ['dtoa-config.c']
  dtoa_obj = BuildObject(dtoa_env, dtoa_files)

  full_source_objs = BuildObject(env, full_source_files)
  non_snapshot_files = [jscre_obj, dtoa_obj, full_source_objs]

  # Create snapshot if necessary.
  empty_snapshot_obj = BuildObject(env, 'snapshot-empty.cc')
  if 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 = BuildObject(env, snapshot_cc, CPPPATH=['.'])
    libraries_obj = BuildObject(env, libraries_empty_src, CPPPATH=['.'])
  else:
    snapshot_obj = empty_snapshot_obj

  all_files = [non_snapshot_files, libraries_obj, snapshot_obj]
  if library_type == 'static':
    env.StaticLibrary('v8', all_files)
  elif library_type == 'shared':
    # There seems to be a glitch in the way scons decides where to put
    # .pdb files when compiling using msvc so we specify it manually.
    # This should not affect any other platforms.
    env.SharedLibrary('v8', all_files, PDB='v8.dll.pdb')
  else:
    env.Library('v8', all_files)


ConfigureBuild()