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-rwxr-xr-xdeps/gyp/tools/pretty_gyp.py155
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diff --git a/deps/gyp/tools/pretty_gyp.py b/deps/gyp/tools/pretty_gyp.py
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--- a/deps/gyp/tools/pretty_gyp.py
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-#!/usr/bin/env python
-
-# Copyright (c) 2012 Google Inc. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Pretty-prints the contents of a GYP file."""
-
-import sys
-import re
-
-
-# Regex to remove comments when we're counting braces.
-COMMENT_RE = re.compile(r'\s*#.*')
-
-# Regex to remove quoted strings when we're counting braces.
-# It takes into account quoted quotes, and makes sure that the quotes match.
-# NOTE: It does not handle quotes that span more than one line, or
-# cases where an escaped quote is preceeded by an escaped backslash.
-QUOTE_RE_STR = r'(?P<q>[\'"])(.*?)(?<![^\\][\\])(?P=q)'
-QUOTE_RE = re.compile(QUOTE_RE_STR)
-
-
-def comment_replace(matchobj):
- return matchobj.group(1) + matchobj.group(2) + '#' * len(matchobj.group(3))
-
-
-def mask_comments(input):
- """Mask the quoted strings so we skip braces inside quoted strings."""
- search_re = re.compile(r'(.*?)(#)(.*)')
- return [search_re.sub(comment_replace, line) for line in input]
-
-
-def quote_replace(matchobj):
- return "%s%s%s%s" % (matchobj.group(1),
- matchobj.group(2),
- 'x'*len(matchobj.group(3)),
- matchobj.group(2))
-
-
-def mask_quotes(input):
- """Mask the quoted strings so we skip braces inside quoted strings."""
- search_re = re.compile(r'(.*?)' + QUOTE_RE_STR)
- return [search_re.sub(quote_replace, line) for line in input]
-
-
-def do_split(input, masked_input, search_re):
- output = []
- mask_output = []
- for (line, masked_line) in zip(input, masked_input):
- m = search_re.match(masked_line)
- while m:
- split = len(m.group(1))
- line = line[:split] + r'\n' + line[split:]
- masked_line = masked_line[:split] + r'\n' + masked_line[split:]
- m = search_re.match(masked_line)
- output.extend(line.split(r'\n'))
- mask_output.extend(masked_line.split(r'\n'))
- return (output, mask_output)
-
-
-def split_double_braces(input):
- """Masks out the quotes and comments, and then splits appropriate
- lines (lines that matche the double_*_brace re's above) before
- indenting them below.
-
- These are used to split lines which have multiple braces on them, so
- that the indentation looks prettier when all laid out (e.g. closing
- braces make a nice diagonal line).
- """
- double_open_brace_re = re.compile(r'(.*?[\[\{\(,])(\s*)([\[\{\(])')
- double_close_brace_re = re.compile(r'(.*?[\]\}\)],?)(\s*)([\]\}\)])')
-
- masked_input = mask_quotes(input)
- masked_input = mask_comments(masked_input)
-
- (output, mask_output) = do_split(input, masked_input, double_open_brace_re)
- (output, mask_output) = do_split(output, mask_output, double_close_brace_re)
-
- return output
-
-
-def count_braces(line):
- """keeps track of the number of braces on a given line and returns the result.
-
- It starts at zero and subtracts for closed braces, and adds for open braces.
- """
- open_braces = ['[', '(', '{']
- close_braces = [']', ')', '}']
- closing_prefix_re = re.compile(r'(.*?[^\s\]\}\)]+.*?)([\]\}\)],?)\s*$')
- cnt = 0
- stripline = COMMENT_RE.sub(r'', line)
- stripline = QUOTE_RE.sub(r"''", stripline)
- for char in stripline:
- for brace in open_braces:
- if char == brace:
- cnt += 1
- for brace in close_braces:
- if char == brace:
- cnt -= 1
-
- after = False
- if cnt > 0:
- after = True
-
- # This catches the special case of a closing brace having something
- # other than just whitespace ahead of it -- we don't want to
- # unindent that until after this line is printed so it stays with
- # the previous indentation level.
- if cnt < 0 and closing_prefix_re.match(stripline):
- after = True
- return (cnt, after)
-
-
-def prettyprint_input(lines):
- """Does the main work of indenting the input based on the brace counts."""
- indent = 0
- basic_offset = 2
- last_line = ""
- for line in lines:
- if COMMENT_RE.match(line):
- print line
- else:
- line = line.strip('\r\n\t ') # Otherwise doesn't strip \r on Unix.
- if len(line) > 0:
- (brace_diff, after) = count_braces(line)
- if brace_diff != 0:
- if after:
- print " " * (basic_offset * indent) + line
- indent += brace_diff
- else:
- indent += brace_diff
- print " " * (basic_offset * indent) + line
- else:
- print " " * (basic_offset * indent) + line
- else:
- print ""
- last_line = line
-
-
-def main():
- if len(sys.argv) > 1:
- data = open(sys.argv[1]).read().splitlines()
- else:
- data = sys.stdin.read().splitlines()
- # Split up the double braces.
- lines = split_double_braces(data)
-
- # Indent and print the output.
- prettyprint_input(lines)
- return 0
-
-
-if __name__ == '__main__':
- sys.exit(main())