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115 lines
3.0 KiB
Python
115 lines
3.0 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Brant Young, 2007
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"Process *.rc* files for C/C++: X{.rc -> [.res|.rc.o]}"
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import re, traceback
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from waflib import Task, Logs, Utils
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from waflib.TaskGen import extension
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from waflib.Tools import c_preproc
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@extension('.rc')
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def rc_file(self, node):
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"""
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Bind the .rc extension to a winrc task
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"""
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obj_ext = '.rc.o'
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if self.env['WINRC_TGT_F'] == '/fo':
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obj_ext = '.res'
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rctask = self.create_task('winrc', node, node.change_ext(obj_ext))
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try:
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self.compiled_tasks.append(rctask)
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except AttributeError:
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self.compiled_tasks = [rctask]
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re_lines = re.compile(
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'(?:^[ \t]*(#|%:)[ \t]*(ifdef|ifndef|if|else|elif|endif|include|import|define|undef|pragma)[ \t]*(.*?)\s*$)|'\
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'(?:^\w+[ \t]*(ICON|BITMAP|CURSOR|HTML|FONT|MESSAGETABLE|TYPELIB|REGISTRY|D3DFX)[ \t]*(.*?)\s*$)',
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re.IGNORECASE | re.MULTILINE)
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class rc_parser(c_preproc.c_parser):
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def filter_comments(self, filepath):
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code = Utils.readf(filepath)
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if c_preproc.use_trigraphs:
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for (a, b) in c_preproc.trig_def: code = code.split(a).join(b)
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code = c_preproc.re_nl.sub('', code)
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code = c_preproc.re_cpp.sub(c_preproc.repl, code)
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ret = []
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for m in re.finditer(re_lines, code):
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if m.group(2):
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ret.append((m.group(2), m.group(3)))
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else:
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ret.append(('include', m.group(5)))
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return ret
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def addlines(self, node):
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self.currentnode_stack.append(node.parent)
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filepath = node.abspath()
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self.count_files += 1
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if self.count_files > c_preproc.recursion_limit:
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raise c_preproc.PreprocError("recursion limit exceeded")
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pc = self.parse_cache
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Logs.debug('preproc: reading file %r', filepath)
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try:
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lns = pc[filepath]
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except KeyError:
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pass
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else:
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self.lines.extend(lns)
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return
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try:
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lines = self.filter_comments(filepath)
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lines.append((c_preproc.POPFILE, ''))
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lines.reverse()
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pc[filepath] = lines
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self.lines.extend(lines)
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except IOError:
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raise c_preproc.PreprocError("could not read the file %s" % filepath)
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except Exception:
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if Logs.verbose > 0:
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Logs.error("parsing %s failed" % filepath)
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traceback.print_exc()
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class winrc(Task.Task):
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"""
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Task for compiling resource files
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"""
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run_str = '${WINRC} ${WINRCFLAGS} ${CPPPATH_ST:INCPATHS} ${DEFINES_ST:DEFINES} ${WINRC_TGT_F} ${TGT} ${WINRC_SRC_F} ${SRC}'
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color = 'BLUE'
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def scan(self):
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tmp = rc_parser(self.generator.includes_nodes)
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tmp.start(self.inputs[0], self.env)
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nodes = tmp.nodes
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names = tmp.names
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if Logs.verbose:
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Logs.debug('deps: deps for %s: %r; unresolved %r' % (str(self), nodes, names))
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return (nodes, names)
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def configure(conf):
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"""
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Detect the programs RC or windres, depending on the C/C++ compiler in use
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"""
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v = conf.env
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v['WINRC_TGT_F'] = '-o'
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v['WINRC_SRC_F'] = '-i'
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# find rc.exe
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if not conf.env.WINRC:
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if v.CC_NAME == 'msvc':
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conf.find_program('RC', var='WINRC', path_list = v['PATH'])
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v['WINRC_TGT_F'] = '/fo'
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v['WINRC_SRC_F'] = ''
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else:
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conf.find_program('windres', var='WINRC', path_list = v['PATH'])
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if not conf.env.WINRC:
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conf.fatal('winrc was not found!')
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v['WINRCFLAGS'] = []
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