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# Copyright 2009, 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 os.path
Import('env')
env.Append(
CPPPATH = [
# Include path for generated headers.
env.Dir('$OBJ_ROOT/compiler/technique'),
# Include path for Antlr C runtime headers.
env.Dir('$ANTLRLIBC_DIR/include'),
],
LIBPATH = [
env.Dir('$ANTLRLIBC_DIR/lib'),
],
LIBS = [
'antlr3c',
],
)
# Define a builder for Antlr grammars.
def TechniqueEmitter(target, source, env):
# TODO this path operation is horrible, please make '.base' work
base_name = os.path.splitext(source[0].abspath)[0]
generated_targets = [env.File(base_name + 'Lexer.c'),
env.File(base_name + 'Lexer.h'),
env.File(base_name + 'Parser.c'),
env.File(base_name + 'Parser.h'), ]
return generated_targets, source
if env.Bit('windows'):
env.Append(
CCFLAGS=['/Wp64', '/TP'],
)
else:
env.Append(
CCFLAGS = ['-x', 'c++'],
)
# To enable ANTLRworks debugging, replace
# org.antlr.Tool $SOURCE
# below, with
# org.antlr.Tool -debug $SOURCE
env['BUILDERS']['Antlr'] = Builder(
action = ' '.join([
'$JAVA_EXE',
'-cp $ANTLR_DIR/antlr-3.1.1.jar',
'org.antlr.Tool $SOURCE',
'-fo $TARGET.dir']),
emitter = TechniqueEmitter)
# Generate the parser and lexer files
antlr_output_files = env.Antlr( env.File('Technique.g3pl') )
# filter out only the C files from the generated files.
antlr_c_files = [f for f in antlr_output_files if f.suffix == '.c']
# Compile the resulting C and C++ files as C++ to build a library
inputs = [
antlr_c_files,
'technique_error.cc',
'technique_parser.cc',
'technique_structures.cc',
]
env.ComponentLibrary('technique', inputs)
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