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Diffstat (limited to 'tools/indent-lpp')
| -rwxr-xr-x | tools/indent-lpp | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/tools/indent-lpp b/tools/indent-lpp deleted file mode 100755 index 0d24faf..0000000 --- a/tools/indent-lpp +++ /dev/null @@ -1,194 +0,0 @@ -#!/usr/bin/env python -# -*- encoding: utf-8 -## indent - Top-level indenter for lex files -## -## Copyright ©2013 Ben Longbons <b.r.longbons@gmail.com> -## -## This file is part of The Mana World (Athena server) -## -## 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/>. - -''' -A lex file is a series of sections. - -In the initial section: - If it begins with whitespace, it is indented code - It might be a /* comment */ - It might be a #line - It might be a %s, %x, %pointer, %array, %option %[a-z][0-9].* - It might be a %{ codeblock %} - It might be a %top { codeblock } - It might be a name and an expansion - A %% switches to the second section - -In a comment: - */ is the end - -In a codeblock: - if it started with %{, %} ends it - if it started with %top{, } ends it if it matches the nesting - -In section 2's header: - there may be %{ %} sections, possibly nested - there may also be indented code - there may be unindented code if it's inside the %{ %} - -In section 2 proper: - pattern action - <sc>pattern action - <sc>{ - pattern action - } - a %% switches to section 3 - -In section 3: - everything is just C code -''' - -# Settings. -pad = 2 -indent = 4 -brace = True - -# Code. -import subprocess -import sys - -class Table: - ''' Aligned output - ''' - def __init__(self): - self.buf = [] - self.size = 0 - def put1(self, line): - line = line.rstrip() - self.buf.append((line, '')) - def put2(self, left, right): - left = left.rstrip() - right = right.strip() - self.buf.append((left, right)) - if right and len(left) > self.size: - self.size = len(left) - def flush(self): - self.size += pad - if self.size % indent: - self.size += indent - self.size % indent - for l, r in self.buf: - if not r: - sys.stdout.writelines([l, '\n']) - else: - need = self.size - len(l) - sys.stdout.writelines([l, ' ' * need, r, '\n']) - del self.buf[:] - self.size = 0 - -table = Table() -# definitions section (mostly used for options actually) -in_code = False -code = bytearray() -for line in sys.stdin: - if line == '%%\n': - break - if line == '%{\n': - in_code = True - continue - if in_code: - if line == '%}\n': - in_code = False - continue - code += line - continue - if not line.strip() or line != line.lstrip(): - # starts with whitespace or is an empty line ('\n') - code += line - continue - if code.strip(): - if brace: - table.put1('%{') - for line2 in subprocess.Popen(['indent-cpp'], stdin=subprocess.PIPE, stdout=subprocess.PIPE).communicate(code)[0].strip().split('\n'): - # this looks bad actually - table.put1(0 * indent * ' ' + line2) - if brace: - table.put1('%}') - table.put1('') - code = bytearray() - elif code: - table.put1('') - - if line.startswith('%'): - if line.startswith('%top'): - raise NotImplementedError('top block not yet supported') - table.put1(line) - elif line[0].isalpha() or line[0] == '_': - table.put2(*line.split(None, 1)) - else: - table.put1(line) - -assert not in_code -del code -del in_code -table.flush() -sys.stdout.write('\n%%\n') - -# rule section -for line in sys.stdin: - if line == '%%\n': - break - if line.startswith('<') and not line.startswith('<<'): - raise NotImplementedError('start conditions not yet supported') - i = 0 - p = 0 - bs = False - while True: - if bs: - bs = False - i += 1 - continue - if line[i] == '\\': - bs = True - i += 1 - continue - if not p and line[i].isspace(): - break - if line[i] == '"': - i += 1 - while line[i] != '"': - if line[i] == '\\': - i += 1 - i += 1 - elif line[i] == '[': - i += 1 - if line[i] == '^': - i += 1 - while line[i] != ']': - i += 1 - elif line[i] == '(': - p += 1 - elif line[i] == ')': - assert p - p -= 1 - i += 1 - del bs - del p - pattern = line[:i] - rule = line[i:].strip() - del i - - sys.stdout.write(line) - -sys.stdout.write('%%\n') - -# 3rd section is just copied verbatim ... IF it exists -tail = subprocess.Popen(['indent-cpp'], stdin=subprocess.PIPE, stdout=None) -tail.stdin.writelines(sys.stdin) |