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#!/usr/bin/env python
# encoding: utf-8
# Brant Young, 2007
"Process *.rc* files for C/C++: X{.rc -> [.res|.rc.o]}"
import os
import re
from waflib import Task
from waflib.TaskGen import extension
from waflib.Tools import c_preproc
from waflib import Utils
@extension('.rc')
def rc_file(self, node):
"""
Binds the .rc extension to a winrc task
"""
obj_ext = '.rc.o'
if self.env.WINRC_TGT_F == '/fo':
obj_ext = '.res'
rctask = self.create_task('winrc', node, node.change_ext(obj_ext))
try:
self.compiled_tasks.append(rctask)
except AttributeError:
self.compiled_tasks = [rctask]
re_lines = re.compile(
r'(?:^[ \t]*(#|%:)[ \t]*(ifdef|ifndef|if|else|elif|endif|include|import|define|undef|pragma)[ \t]*(.*?)\s*$)|'\
r'(?:^\w+[ \t]*(ICON|BITMAP|CURSOR|HTML|FONT|MESSAGETABLE|TYPELIB|REGISTRY|D3DFX)[ \t]*(.*?)\s*$)',
re.IGNORECASE | re.MULTILINE)
class rc_parser(c_preproc.c_parser):
"""
Calculates dependencies in .rc files
"""
def filter_comments(self, node):
"""
Overrides :py:meth:`waflib.Tools.c_preproc.c_parser.filter_comments`
"""
code = node.read()
if c_preproc.use_trigraphs:
for (a, b) in c_preproc.trig_def:
code = code.split(a).join(b)
code = c_preproc.re_nl.sub('', code)
code = c_preproc.re_cpp.sub(c_preproc.repl, code)
ret = []
for m in re.finditer(re_lines, code):
if m.group(2):
ret.append((m.group(2), m.group(3)))
else:
ret.append(('include', m.group(5)))
return ret
class winrc(Task.Task):
"""
Compiles resource files
"""
run_str = '${WINRC} ${WINRCFLAGS} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${WINRC_TGT_F} ${TGT} ${WINRC_SRC_F} ${SRC}'
color = 'BLUE'
def scan(self):
tmp = rc_parser(self.generator.includes_nodes)
tmp.start(self.inputs[0], self.env)
return (tmp.nodes, tmp.names)
def exec_command(self, cmd, **kw):
if self.env.WINRC_TGT_F == '/fo':
# Since winres include paths may contain spaces, they do not fit in
# response files and are best passed as environment variables
replace_cmd = []
incpaths = []
while cmd:
# filter include path flags
flag = cmd.pop(0)
if flag.upper().startswith('/I'):
if len(flag) == 2:
incpaths.append(cmd.pop(0))
else:
incpaths.append(flag[2:])
else:
replace_cmd.append(flag)
cmd = replace_cmd
if incpaths:
# append to existing environment variables in INCLUDE
env = kw['env'] = dict(kw.get('env') or self.env.env or os.environ)
pre_includes = env.get('INCLUDE', '')
env['INCLUDE'] = pre_includes + os.pathsep + os.pathsep.join(incpaths)
return super(winrc, self).exec_command(cmd, **kw)
def quote_flag(self, flag):
if self.env.WINRC_TGT_F == '/fo':
# winres does not support quotes around flags in response files
return flag
return super(winrc, self).quote_flag(flag)
def configure(conf):
"""
Detects the programs RC or windres, depending on the C/C++ compiler in use
"""
v = conf.env
if not v.WINRC:
if v.CC_NAME == 'msvc':
conf.find_program('RC', var='WINRC', path_list=v.PATH)
v.WINRC_TGT_F = '/fo'
v.WINRC_SRC_F = ''
else:
conf.find_program('windres', var='WINRC', path_list=v.PATH)
v.WINRC_TGT_F = '-o'
v.WINRC_SRC_F = '-i'
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