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1 | # The MIT License (MIT) |
2 | # | |
4a90140d | 3 | # Copyright (c) 2015-2020 Philippe Proulx <pproulx@efficios.com> |
e5aa0be3 | 4 | # |
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5 | # Permission is hereby granted, free of charge, to any person obtaining |
6 | # a copy of this software and associated documentation files (the | |
7 | # "Software"), to deal in the Software without restriction, including | |
8 | # without limitation the rights to use, copy, modify, merge, publish, | |
9 | # distribute, sublicense, and/or sell copies of the Software, and to | |
10 | # permit persons to whom the Software is furnished to do so, subject to | |
11 | # the following conditions: | |
e5aa0be3 | 12 | # |
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13 | # The above copyright notice and this permission notice shall be |
14 | # included in all copies or substantial portions of the Software. | |
e5aa0be3 | 15 | # |
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16 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
17 | # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
18 | # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
19 | # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
20 | # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
21 | # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
22 | # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
e5aa0be3 | 23 | |
4810b707 | 24 | class _CodeGenerator: |
e5aa0be3 PP |
25 | def __init__(self, indent_string): |
26 | self._indent_string = indent_string | |
27 | self.reset() | |
28 | ||
29 | @property | |
30 | def code(self): | |
31 | return '\n'.join(self._lines) | |
32 | ||
33 | def reset(self): | |
34 | self._lines = [] | |
35 | self._indent = 0 | |
36 | self._glue = False | |
37 | ||
38 | def add_line(self, line): | |
39 | if self._glue: | |
40 | self.append_to_last_line(line) | |
41 | self._glue = False | |
42 | return | |
43 | ||
44 | indent_string = self._get_indent_string() | |
45 | self._lines.append(indent_string + str(line)) | |
46 | ||
47 | def add_lines(self, lines): | |
48 | if type(lines) is str: | |
49 | lines = lines.split('\n') | |
50 | ||
51 | for line in lines: | |
52 | self.add_line(line) | |
53 | ||
54 | def add_glue(self): | |
55 | self._glue = True | |
56 | ||
57 | def append_to_last_line(self, s): | |
58 | if self._lines: | |
59 | self._lines[-1] += str(s) | |
60 | ||
61 | def add_empty_line(self): | |
62 | self._lines.append('') | |
63 | ||
64 | def add_cc_line(self, comment): | |
65 | self.add_line('/* {} */'.format(comment)) | |
66 | ||
67 | def append_cc_to_last_line(self, comment, with_space=True): | |
68 | if with_space: | |
69 | sp = ' ' | |
70 | else: | |
71 | sp = '' | |
72 | ||
73 | self.append_to_last_line('{}/* {} */'.format(sp, comment)) | |
74 | ||
75 | def indent(self): | |
76 | self._indent += 1 | |
77 | ||
78 | def unindent(self): | |
79 | self._indent = max(self._indent - 1, 0) | |
80 | ||
81 | def _get_indent_string(self): | |
82 | return self._indent_string * self._indent |