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waf/waflib/Tools/winres.py
2012-08-05 01:33:11 +02:00

115 lines
3.0 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
# Brant Young, 2007
"Process *.rc* files for C/C++: X{.rc -> [.res|.rc.o]}"
import re, traceback
from waflib import Task, Logs, Utils
from waflib.TaskGen import extension
from waflib.Tools import c_preproc
@extension('.rc')
def rc_file(self, node):
"""
Bind 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(
'(?:^[ \t]*(#|%:)[ \t]*(ifdef|ifndef|if|else|elif|endif|include|import|define|undef|pragma)[ \t]*(.*?)\s*$)|'\
'(?:^\w+[ \t]*(ICON|BITMAP|CURSOR|HTML|FONT|MESSAGETABLE|TYPELIB|REGISTRY|D3DFX)[ \t]*(.*?)\s*$)',
re.IGNORECASE | re.MULTILINE)
class rc_parser(c_preproc.c_parser):
def filter_comments(self, filepath):
code = Utils.readf(filepath)
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
def addlines(self, node):
self.currentnode_stack.append(node.parent)
filepath = node.abspath()
self.count_files += 1
if self.count_files > c_preproc.recursion_limit:
raise c_preproc.PreprocError("recursion limit exceeded")
pc = self.parse_cache
Logs.debug('preproc: reading file %r', filepath)
try:
lns = pc[filepath]
except KeyError:
pass
else:
self.lines.extend(lns)
return
try:
lines = self.filter_comments(filepath)
lines.append((c_preproc.POPFILE, ''))
lines.reverse()
pc[filepath] = lines
self.lines.extend(lines)
except IOError:
raise c_preproc.PreprocError("could not read the file %s" % filepath)
except Exception:
if Logs.verbose > 0:
Logs.error("parsing %s failed" % filepath)
traceback.print_exc()
class winrc(Task.Task):
"""
Task for compiling 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)
nodes = tmp.nodes
names = tmp.names
if Logs.verbose:
Logs.debug('deps: deps for %s: %r; unresolved %r' % (str(self), nodes, names))
return (nodes, names)
def configure(conf):
"""
Detect the programs RC or windres, depending on the C/C++ compiler in use
"""
v = conf.env
v['WINRC_TGT_F'] = '-o'
v['WINRC_SRC_F'] = '-i'
# find rc.exe
if not conf.env.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'])
if not conf.env.WINRC:
conf.fatal('winrc was not found!')
v['WINRCFLAGS'] = []