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-rwxr-xr-xsrc/gpp.py256
1 files changed, 0 insertions, 256 deletions
diff --git a/src/gpp.py b/src/gpp.py
deleted file mode 100755
index 7d537fe..0000000
--- a/src/gpp.py
+++ /dev/null
@@ -1,256 +0,0 @@
-#!@{SHEBANG}
-# -*- coding: utf-8 -*-
-copyright = '''
-gpp – Bash-based general-purpose preprocessor
-
-Copyright © 2013, 2014, 2015, 2017 Mattias Andrée (maandree@member.fsf.org)
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 3 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program. If not, see <http://www.gnu.org/licenses/>.
-'''
-VERSION="@{VERSION}"
-
-import os
-import sys
-import shlex
-from subprocess import Popen, PIPE
-
-if sys.version_info.major < 3:
- def bytes(string):
- r = bytearray(len(string))
- b = buffer(r)
- r[:] = string
- return r
-
-if sys.version_info.major < 3:
- def bytelist(string):
- return [ord(c) for c in string]
-else:
- bytelist = list
-
-symbol = '@'
-encoding = sys.getdefaultencoding()
-iterations = 1
-input_file = '/dev/stdin'
-output_file = '/dev/stdout'
-unshebang = 0
-
-args = sys.argv
-
-# If the file is executed, the first command line argument will be the first argument in the shebang,
-# the second will be the rest of the arguments in the command line as is and the third and final will
-# be the executed file.
-if len(args) == 3:
- if os.path.exists(args[2]) and os.path.isfile(args[2]) and ((os.stat(args[2]).st_mode & 0o111) != 0):
- args[1 : 2] = shlex.split(args[1])
-
-for i in range(1, len(args)):
- arg = args[i]
- i += 1
- if arg in ('-s', '--symbol'): symbol = sys.argv[i]
- elif arg in ('-e', '--encoding'): encoding = sys.argv[i]
- elif arg in ('-n', '--iterations'): iterations = int(sys.argv[i])
- elif arg in ('-u', '--unshebang'): unshebang += 1; continue
- elif arg in ('-i', '--input'): input_file = sys.argv[i]
- elif arg in ('-o', '--output'): output_file = sys.argv[i]
- elif arg in ('-f', '--file'):
- input_file = sys.argv[i]
- output_file = sys.argv[i]
- elif arg in ('-D', '--export'):
- export = sys.argv[i]
- if '=' not in export:
- export += '=1'
- export = (export.split('=')[0], '='.join(export.split('=')[1:]))
- os.putenv(export[0], export[1])
- elif arg in ('-v', '--version'):
- print('gpp ' + VERSION)
- sys.exit(0)
- elif arg in ('-c', '--copying'):
- print(copyright[1:-1])
- sys.exit(0)
- else:
- continue
- i += 1
-
-if input_file == '-': input_file = '/dev/stdin'
-if output_file == '-': output_file = '/dev/stdout'
-
-symbol = bytelist(symbol.encode(encoding))
-symlen = len(symbol)
-
-if iterations < 1:
- if input_file != output_file:
- data = None
- with open(input_file, 'rb') as file:
- data = file.read()
- with open(output_file, 'wb') as file:
- file.write(data)
- file.flush()
- sys.exit(0)
-
-def linesplit(bs):
- rc = []
- elem = []
- for b in bs:
- if b == 10:
- rc.append(elem)
- elem = []
- else:
- elem.append(b)
- rc.append(elem)
- return rc
-
-def linejoin(bss):
- rc = []
- if len(bss) > 0:
- rc += bss[0]
- for bs in bss[1:]:
- rc.append(10)
- rc += bs
- return rc
-
-data = None
-with open(input_file, 'rb') as file:
- data = file.read()
-data = linesplit(bytelist(data))
-
-if unshebang == 1:
- if (len(data[0]) >= 2) and (data[0][0] == ord('#')) and (data[0][1] == ord('!')):
- data[0] = []
-
-if unshebang >= 2:
- if (len(data[0]) >= 2) and (data[0][0] == ord('#')) and (data[0][1] == ord('!')):
- data[0] = data[1]
- data[1] = []
-
-def pp(line):
- rc = []
- symb = False
- brackets = 0
- esc = False
- dollar = False
- quote = []
- n = len(line)
- i = 0
- rc.append(ord('\''))
- while i < n:
- c = line[i]
- i += 1
- if brackets > 0:
- if esc:
- esc = False
- elif len(quote) > 0:
- if dollar:
- dollar = False
- if c == ord('('):
- quote.append(ord(')'))
- elif c == ord('{'):
- quote.append(ord('}'))
- elif c == quote[-1]:
- quote[:] = quote[:-1]
- elif (quote[-1] in (ord(')'), ord('}'))) and (c in (ord('"'), ord('\''), ord('`'))):
- quote.append(c)
- elif (c == ord('\\')) and (quote[-1] != ord('\'')):
- esc = True
- elif c == ord('$'):
- dollar = True
- elif c in (ord('"'), ord('\''), ord('`')):
- quote.append(c)
- elif c in (ord(')'), ord('}')):
- brackets -= 1
- if brackets == 0:
- rc.append(c)
- rc.append(ord('"'))
- rc.append(ord('\''))
- continue
- elif c in (ord('('), ord('{')):
- brackets += 1
- elif c == ord('\\'):
- esc = True
- rc.append(c)
- elif line[i - 1 : i + symlen - 1] == symbol:
- if symb:
- rc += symbol
- symb = not symb
- i += symlen - 1
- elif symb:
- symb = False
- if c in (ord('('), ord('{')):
- brackets += 1
- rc.append(ord('\''))
- rc.append(ord('"'))
- rc.append(ord('$'))
- else:
- rc += symbol
- if c == ord('\''):
- rc.append(c)
- rc.append(ord('\\'))
- rc.append(c)
- rc.append(c)
- elif c == ord('\''):
- rc.append(c)
- rc.append(ord('\\'))
- rc.append(c)
- rc.append(c)
- else:
- rc.append(c)
- rc.append(ord('\''))
- return rc
-
-for _ in range(iterations):
- entered = False
- bashed = []
-
- for lineno in range(len(data)):
- line = data[lineno]
- if (len(line) > symlen) and (line[:symlen] == symbol) and (line[symlen] in (ord('<'), ord('>'))):
- bashed.append(line[symlen + 1:])
- entered = line[symlen] == ord('<')
- elif entered:
- bashed.append(line)
- else:
- buf = bytelist(('echo $\'\\e%i\\e\'' % lineno).encode())
- bashed.append(buf + pp(line))
-
- bashed = bytes(linejoin(bashed))
- bash = Popen(["bash"], stdin = PIPE, stdout = PIPE, stderr = sys.stderr)
- bashed = bash.communicate(bashed)[0]
-
- if bash.returncode != 0:
- sys.exit(bash.returncode)
-
- bashed = linesplit(bytelist(bashed))
- data = []
- lineno = -1
-
- for line in bashed:
- no = -1
- if (len(line) > 0) and (line[0] == 0o33):
- no = 0
- for i in range(1, len(line)):
- if line[i] == 0o33:
- line = line[i + 1:]
- break
- no = no * 10 + (line[i] - ord('0'))
- if no > lineno:
- while no != lineno + 1:
- data.append([])
- lineno += 1
- data.append(line)
- lineno += 1
-
-data = bytes(linejoin(data))
-with open(output_file, 'wb') as file:
- file.write(data)
- file.flush()
-
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