367 lines
9.6 KiB
Python
Executable File
367 lines
9.6 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import re
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import sys
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import string
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from pprint import *
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#os.sapn*p* hack
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#swiped from Alexey Borzenkov snaury at gmail.com
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if (not (hasattr(os, 'spawnvpe') or hasattr(os, 'spawnvp'))
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and hasattr(os, 'spawnve') and hasattr(os, 'spawnv')):
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def _os__spawnvpe(mode, file, args, env=None):
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import sys
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from errno import ENOENT, ENOTDIR
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from os import path, spawnve, spawnv, environ, defpath, pathsep, error
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if env is not None:
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func = spawnve
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argrest = (args, env)
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else:
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func = spawnv
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argrest = (args,)
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env = environ
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head, tail = path.split(file)
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if head:
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return func(mode, file, *argrest)
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if 'PATH' in env:
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envpath = env['PATH']
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else:
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envpath = defpath
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PATH = envpath.split(pathsep)
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if os.name == 'nt' or os.name == 'os2':
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PATH.insert(0, '')
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saved_exc = None
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saved_tb = None
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for dir in PATH:
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fullname = path.join(dir, file)
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try:
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return func(mode, fullname, *argrest)
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except error, e:
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tb = sys.exc_info()[2]
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if (e.errno != ENOENT and e.errno != ENOTDIR
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and saved_exc is None):
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saved_exc = e
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saved_tb = tb
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if saved_exc:
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raise error, saved_exc, saved_tb
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raise error, e, tb
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def _os_spawnvp(mode, file, args):
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return os._spawnvpe(mode, file, args)
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def _os_spawnvpe(mode, file, args, env):
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return os._spawnvpe(mode, file, args, env)
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def _os_spawnlp(mode, file, *args):
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return os._spawnvpe(mode, file, args)
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def _os_spawnlpe(mode, file, *args):
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return os._spawnvpe(mode, file, args[:-1], args[-1])
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os._spawnvpe = _os__spawnvpe
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os.spawnvp = _os_spawnvp
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os.spawnvpe = _os_spawnvpe
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os.spawnlp = _os_spawnlp
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os.spawnlpe = _os_spawnlpe
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os.__all__.extend(["spawnvp", "spawnvpe", "spawnlp", "spawnlpe"])
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#end os.sapn*p* hack
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string_re = re.compile (r'"(\\.|[^"\\])*"')
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comment_whole = re.compile (r'((/\*.*\*/)|//.*)')
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comment_start = re.compile (r'(/\*.*)')
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comment_end = re.compile (r'(.*\*/)')
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directive_re = re.compile (
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r'^\s*#\s*(define|undef|include|includelist|endlist|ifdef|ifndef|endif|else|pragma)\b' +
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r'((\s*("[^"]*"|[^ \t\n\r\f\v/]+|/(?!/))+)?)' +
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r'((\s*("[^"]*"|[^ \t\n\r\f\v/]+|/(?!/))+)*)')
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macro_re = re.compile (r'#([A-Za-z_][0-9A-Za-z_]*)')
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arg_re = re.compile (
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r'((\s*("[^"]*"|[^ \t\n\r\f\v/]+|/(?!/))+)?)' +
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r'((\s*("[^"]*"|[^ \t\n\r\f\v/]+|/(?!/))+)*)')
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current_file = []
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source_list = []
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qcc_list = []
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defines = {}
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progs_dat = "progs.dat"
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progs_src = "progs.src"
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compile_this_file = 1
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keep_newlines = 1
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check_redefines = 1
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verbose = 0
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def append_file (filename):
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global current_file
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f = open (filename, "rb")
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lines = f.readlines ()
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f.close ()
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current_file.append ('# 1 "' + filename + '"')
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for i in range (len (lines)):
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lines[i] = string.rstrip (lines[i])
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current_file = current_file + lines
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def parse_filename (args):
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m = arg_re.match (args)
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fname = string.strip (m.groups()[0])
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if fname:
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if fname[0] == '"':
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fname = fname[1:]
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if fname[-1] == '"':
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fname = fname[:-1]
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return fname
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def parse_pragma (pragma, args):
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global progs_dat, progs_dat
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global compile_this_file, keep_newlines, check_redefines
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if pragma == 'PROGS_DAT':
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progs_dat = parse_filename (args)
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elif pragma == 'PROGS_SRC':
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progs_src = parse_filename (args)
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elif pragma == 'DONT_COMPILE_THIS_FILE':
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compile_this_file = 0
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elif pragma == 'COMPILE_THIS_FILE':
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compile_this_file = 1
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elif pragma == 'KEEP_NEWLINES':
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keep_newlines = parse_on_off (args)
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elif pragma == 'CHECK_REDEFINES':
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check_redefines = parse_on_off (args)
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elif pragma == 'CHECK_UNUSED_ON':
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pass
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elif pragma == 'CHECK_UNUSED_OFF':
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pass
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else:
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print "ignoring " + pragma
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def comment_string (string_list, start, end):
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i = 0
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while i < len (string_list):
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if start <= string_list[i][1] and end >= string_list[i][2]:
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del string_list[i]
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continue
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i += 1
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return string_list
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def parse_strings_and_comments (l, incomment):
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#print source_file + ":" + `i` + ":" + l
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string_list = []
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s = string_re.search (l)
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while s:
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string_list.append ((l[s.start():s.end()], s.start(), s.end()))
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l = l[:s.start()] + ((s.end() - s.start()) * ' ') + l[s.end():]
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s = string_re.search (l)
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if incomment:
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s = comment_end.search (l)
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if s:
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l = (s.end() * ' ') + l[s.end():]
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incomment = 0
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string_list = comment_string (string_list, s.start(), s.end())
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else:
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string_list = comment_string (string_list, 0, len(l))
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l = ""
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s = comment_whole.search (l)
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if s:
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l = l[:s.start()] + ((s.end() - s.start()) * ' ') + l[s.end():]
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string_list = comment_string (string_list, s.start(), s.end())
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s = comment_start.search (l)
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if s:
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l = l[:s.start()] + ((s.end() - s.start()) * ' ')
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string_list = comment_string (string_list, s.start(), s.end())
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incomment = 1
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for str in string_list:
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l = l[:str[1]] + str[0] + l[str[2]:]
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#print l
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return l, incomment
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def do_preprogs_src ():
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global current_file
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current_file = []
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condition = [1]
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incomment = 0
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append_file ("preprogs.src")
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preprogs = current_file
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for p in preprogs:
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p, incomment = parse_strings_and_comments (p, incomment)
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m = directive_re.match (p)
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if (m):
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g = m.groups()
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directive = g[0]
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arg1 = string.strip (g[1])
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margs = string.strip (g[4])
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#pprint ((directive, arg1, margs))
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if directive == 'pragma':
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if condition[-1]:
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parse_pragma (arg1, margs)
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elif directive == 'includelist':
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if condition[-1]:
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fname = parse_filename (arg1)
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if fname:
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source_list.append (fname)
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elif directive == 'endlist':
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pass
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elif directive == 'ifdef':
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condition.append (condition[-1])
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if not defines.has_key (arg1):
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condition[-1]=0
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elif directive == 'ifndef':
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condition.append (condition[-1])
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if defines.has_key (arg1):
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condition[-1]=0
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elif directive == 'else':
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condition[-1] = condition [-2] and not condition[-1]
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elif directive == 'endif':
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del condition[-1]
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else:
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if condition[-1]:
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print "ignoring " + p
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else:
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if condition[-1]:
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fname = parse_filename (p)
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if fname:
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source_list.append (fname)
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def include_file (fname):
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global current_file
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fname = parse_filename (fname)
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if fname:
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append_file (fname)
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def process_source (source_file):
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global compile_this_file, current_file
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if verbose:
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print source_file
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compile_this_file = 1
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includelist = 0
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incomment = 0
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current_file = []
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output = []
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condition = [1]
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append_file (source_file)
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i = 0
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while i < len (current_file):
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l = current_file[i]
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l, incomment = parse_strings_and_comments (l, incomment)
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m = directive_re.match (l)
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if (m):
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g = m.groups()
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directive = g[0]
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arg1 = string.strip (g[1])
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margs = string.strip (g[4])
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#pprint ((directive, arg1, margs))
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if directive == 'pragma':
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if condition[-1]:
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parse_pragma (arg1, margs)
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elif directive == 'include':
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if condition[-1]:
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include_file (arg1)
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elif directive == 'includelist':
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if condition[-1]:
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include_file (arg1)
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includelist = 1
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elif directive == 'endlist':
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if condition[-1]:
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includelist = 0
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elif directive == 'define':
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if condition[-1]:
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defines[arg1] = margs
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elif directive == 'undef':
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if condition[-1]:
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if defines.has_key (arg1):
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del defines[arg1]
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elif directive == 'ifdef':
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condition.append (condition[-1])
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if not defines.has_key (arg1):
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condition[-1]=0
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elif directive == 'ifndef':
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condition.append (condition[-1])
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if defines.has_key (arg1):
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condition[-1]=0
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elif directive == 'else':
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condition[-1] = condition [-2] and not condition[-1]
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elif directive == 'endif':
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del condition[-1]
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else:
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if condition[-1]:
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print "ignoring " + l
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output.append ('//' + l)
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else:
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if (includelist):
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fname = parse_filename (l)
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if fname:
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include_file (fname)
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output.append ('//' + l)
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else:
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if not condition[-1]:
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l = '//##' + l
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else:
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s = macro_re.search (l)
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while s:
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id = s.groups()[0]
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if defines.has_key (id):
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l = (l[:s.start()]
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+ defines[id]
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+ l[s.end():])
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s = macro_re.search (l)
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else:
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s = macro_re.search (l,
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s.start(1))
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output.append (l)
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i = i + 1
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if compile_this_file:
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fname = source_file + '.pqc'
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qcc_list.append (fname)
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f = open (fname, "wb")
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for l in output:
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f.write(l + '\n')
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f.close ()
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no_delete = 0
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use_cpp = 0
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i = 0
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qfcc_prefix = "" # search the path
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while i < len (sys.argv):
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if sys.argv[i] == '--keep':
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no_delete = 1
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del sys.argv[i]
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continue
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elif sys.argv[i] == '--verbose':
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verbose = 1
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del sys.argv[i]
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continue
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elif sys.argv[i] == '--cpp':
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use_cpp = 1
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del sys.argv[i]
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continue
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elif sys.argv[i] == '--local-qfcc':
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qfcc_prefix = "./" # search the local directory
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del sys.argv[i]
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continue
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i = i + 1
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do_preprogs_src ()
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for s in source_list:
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if s[0]=='#':
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continue # preprocessor directive
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process_source (s)
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f = open (progs_src, "wb")
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f.write (progs_dat + '\n\n')
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for l in qcc_list:
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f.write(l + '\n')
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f.close ()
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args = sys.argv[1:]
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if not verbose:
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args = ["--quiet"] + args
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if not use_cpp:
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args = ["-C", "no-cpp"] + args
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args = [qfcc_prefix + "qfcc"] + args
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err = os.spawnvp (os.P_WAIT, qfcc_prefix + "qfcc", args)
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if not no_delete:
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for l in qcc_list:
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os.unlink (l)
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os.unlink (progs_src)
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if err == 127:
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print "Could not execute qfcc. Ensure qfcc is either in a directory in"
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print "$PATH, or in the current directory and run qfpreqcc with",
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print "\"--local-qfcc\"."
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