1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# This permission notice shall be included in all copies or
# substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR(S) BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
""" This module enables the running of GLSL parser tests. """
from __future__ import print_function, absolute_import
import os
import os.path as path
import re
import sys
import framework.grouptools as grouptools
from .piglit_test import PiglitBaseTest
__all__ = [
'GLSLParserTest',
'add_glsl_parser_test',
'import_glsl_parser_tests',
]
def add_glsl_parser_test(group, filepath, test_name):
"""Add an instance of GLSLParserTest to the given group."""
group[test_name] = GLSLParserTest(filepath)
def import_glsl_parser_tests(group, basepath, subdirectories):
"""
Recursively register each shader source file in the given
``subdirectories`` as a GLSLParserTest .
:subdirectories: A list of subdirectories under the basepath.
The name with which each test is registered into the given group is
the shader source file's path relative to ``basepath``. For example,
if::
import_glsl_parser_tests(group, 'a', ['b1', 'b2'])
is called and the file 'a/b1/c/d.frag' exists, then the test is
registered into the group as ``group['b1/c/d.frag']``.
"""
for d in subdirectories:
walk_dir = path.join(basepath, d)
for (dirpath, dirnames, filenames) in os.walk(walk_dir):
# Ignore dirnames.
for f in filenames:
# Add f as a test if its file extension is good.
ext = f.rsplit('.')[-1]
if ext in ['vert', 'tesc', 'tese', 'geom', 'frag', 'comp']:
filepath = path.join(dirpath, f)
# testname := filepath relative to
# basepath.
testname = grouptools.from_path(
os.path.relpath(filepath, basepath))
add_glsl_parser_test(group, filepath, testname)
class GLSLParserTest(PiglitBaseTest):
""" Read the options in a glsl parser test and create a Test object
Specifically it is necessary to parse a glsl_parser_test to get information
about it before actually creating a PiglitTest. Even though this could
be done with a funciton wrapper, making it a distinct class makes it easier
to sort in the profile.
Arguments:
filepath -- the path to a glsl_parser_test which must end in .vert,
.tesc, .tese, .geom or .frag
"""
_CONFIG_KEYS = frozenset(['expect_result', 'glsl_version',
'require_extensions', 'check_link'])
def __init__(self, filepath):
os.stat(filepath)
# a set that stores a list of keys that have been found already
self.__found_keys = set()
# Parse the config file and get the config section, then write this
# section to a StringIO and pass that to ConfigParser
with open(filepath, 'r') as testfile:
try:
config = self.__parser(testfile, filepath)
except GLSLParserException as e:
print(e.message, file=sys.stderr)
sys.exit(1)
command = self.__get_command(config, filepath)
super(GLSLParserTest, self).__init__(command, run_concurrent=True)
def __get_command(self, config, filepath):
""" Create the command argument to pass to super()
This private helper creates a configparser object, then reads in the
provided config (from self.__parser), and tests for required options
that must be provided. If it does not find them it raises an exception.
It then crafts a command which is returned, and ultimately passed to
super()
"""
for opt in ['expect_result', 'glsl_version']:
if not config.get(opt):
raise GLSLParserException("Missing required section {} "
"from config".format(opt))
# Create the command and pass it into a PiglitTest()
command = [
'glslparsertest',
filepath,
config['expect_result'],
config['glsl_version']
]
if config['check_link'].lower() == 'true':
command.append('--check-link')
command.extend(config['require_extensions'].split())
return command
def __parser(self, testfile, filepath):
""" Private helper that parses the config file
This method parses the lines of text file, and then returns a
StrinIO instance suitable to be parsed by a configparser class.
It will raise GLSLParserExceptions if any part of the parsing
fails.
"""
keys = {'require_extensions': '', 'check_link': 'false'}
# Text of config section.
# Create a generator that iterates over the lines in the test file.
# This allows us to run the loop until we find the header, stop and
# then run again looking for the config sections.
# This reduces the need for if statements substantially
lines = (l.strip() for l in testfile)
is_header = re.compile(r'(//|/\*|\*)\s*\[config\]')
for line in lines:
if is_header.match(line):
break
else:
raise GLSLParserException("No [config] section found!")
is_header = re.compile(r'(//|/\*|\*)\s*\[end config\]')
is_metadata = re.compile(
r'(//|/\*|\*)\s*(?P<key>[a-z_]*)\:\s(?P<value>.*)')
bad_values = re.compile(r'(?![\w\.\! ]).*')
for line in lines:
# If strip renendered '' that means we had a blank newline,
# just go on
if line in ['', '//']:
continue
# If we get to the end of the config break
elif is_header.match(line):
break
match = is_metadata.match(line)
if match:
if match.group('key') not in GLSLParserTest._CONFIG_KEYS:
raise GLSLParserException(
"Key {0} in file {1} is not a valid key for a "
"glslparser test config block".format(
match.group('key'), filepath))
elif match.group('key') in self.__found_keys:
# If this key has already been encountered throw an error,
# there are no duplicate keys allows
raise GLSLParserException(
'Duplicate entry for key {0} in file {1}'.format(
match.group('key'), filepath))
else:
bad = bad_values.search(match.group('value'))
# XXX: this always seems to return a match object, even
# when the match is ''
if bad.group():
raise GLSLParserException(
'Bad character "{0}" in file: "{1}", '
'line: "{2}". Only alphanumerics, _, and space '
'are allowed'.format(
bad.group()[0], filepath, line))
# Otherwise add the key to the set of found keys, and add
# it to the dictionary that will be returned
self.__found_keys.add(match.group('key'))
keys[match.group('key')] = match.group('value')
else:
raise GLSLParserException(
"The config section is malformed."
"Check file {0} for line {1}".format(filepath, line))
else:
raise GLSLParserException("No [end config] section found!")
return keys
class GLSLParserException(Exception):
pass
|
