lazy_lib_c.py

   1 from lazy_man import *
   2
   3 def _c_dep(src, cppflags):
   4     cmd = "cpp -M -MM -MG %s -MT %s %s"%(cppflags, ext(src, 'o')[0], src)
   5     output = Popen(cmd, shell=True, stdout=PIPE).communicate()[0]
   6     target, deps = output.split(':')
   7     deps = deps.replace('\\', '').split()
   8     return StaticRule(target, deps)
   9
  10 def c_dep(srcs, cppflags):
  11     return [_c_dep(src, cppflags) for src in list_(srcs)]
  12
  13 c_env = dict(cc='gcc', ld='ld',
  14              include='include', cppflags='-I. -Iinclude',
  15              cflags='-g -Wall -Werror')
  16
  17 def get_funcs(str):
  18     func_list = re.findall('^(.*?) (\w+)\((.*?)\)\s*\n{(.*?)^}', str, re.M|re.S)
  19     def args_slots(args):
  20         return [i.split()[-1] for i in args.split(',')]
  21     return [{'return': _return, 'name':name, 'args': args,  'args_slots': args_slots(args), 'body': body} for _return, name, args, body in func_list]
  22
  23 def get_structs(str):
  24     struct_list = re.findall('^(?:typedef )?struct (\w+) {\n(.*?)^}', str, re.M|re.S)
  25     return [{'name': name, 'body':body} for name, body in struct_list]
  26
  27 def cprj_setup(lm, out, srcs="*.c", **args):
  28     srcs = files(srcs)
  29     lm.update(c_env, srcs=srcs, out=out, objs=ext(srcs, 'o'))
  30     lm.update(args)
  31     lm.add(
  32         StaticRule(lm.out, lm.objs, action="$cc $ldflags -o $target $deps"),
  33         RegexpRule("(.+)\.o", "\\1.c", action="$cc -o $target $cppflags $cflags -c $deps"),
  34         c_dep(lm.srcs, lm.cppflags),
  35         )