• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1# -*- coding: utf-8 -*-
2
3#-------------------------------------------------------------------------
4# drawElements Quality Program utilities
5# --------------------------------------
6#
7# Copyright 2015 The Android Open Source Project
8#
9# Licensed under the Apache License, Version 2.0 (the "License");
10# you may not use this file except in compliance with the License.
11# You may obtain a copy of the License at
12#
13#      http://www.apache.org/licenses/LICENSE-2.0
14#
15# Unless required by applicable law or agreed to in writing, software
16# distributed under the License is distributed on an "AS IS" BASIS,
17# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18# See the License for the specific language governing permissions and
19# limitations under the License.
20#
21#-------------------------------------------------------------------------
22
23import os
24from itertools import chain
25
26INL_HEADER_TMPL = """\
27/* WARNING: This is auto-generated file. Do not modify, since changes will
28 * be lost! Modify the generating script instead.
29 *
30 * Generated from {registryName} revision {revision}.
31 */\
32"""
33
34def genInlHeader (registryName, revision):
35	return INL_HEADER_TMPL.format(
36		registryName	= registryName,
37		revision		= str(revision))
38
39def genInlHeaderForSource (registrySource):
40	return genInlHeaderForSource(registrySource.getFilename(), registrySource.getRevision())
41
42def nextMod (val, mod):
43	if val % mod == 0:
44		return val + mod
45	else:
46		return int(val/mod)*mod + mod
47
48def indentLines (lines):
49	tabSize = 4
50
51	# Split into columns
52	lineColumns = [line.split("\t") for line in lines if line is not None]
53	if len(lineColumns) == 0:
54		return
55
56	numColumns = max(len(line) for line in lineColumns)
57
58	# Figure out max length per column
59	columnLengths = [nextMod(max(len(line[ndx]) for line in lineColumns if len(line) > ndx), tabSize) for ndx in range(numColumns)]
60
61	for line in lineColumns:
62		indented = []
63		for columnNdx, col in enumerate(line[:-1]):
64			colLen	= len(col)
65			while colLen < columnLengths[columnNdx]:
66				col		+= "\t"
67				colLen	 = nextMod(colLen, tabSize)
68			indented.append(col)
69
70		# Append last col
71		indented.append(line[-1])
72		yield "".join(indented)
73
74def readFile (filename):
75	f = open(filename, 'rb')
76	data = f.read()
77	f.close()
78	return data
79
80def writeFileIfChanged (filename, data):
81	if not os.path.exists(filename) or readFile(filename) != data:
82		f = open(filename, 'wb')
83		f.write(data)
84		f.close()
85
86def writeLines (filename, lines):
87	text = ""
88	for line in lines:
89		text += line
90		text += "\n"
91
92	writeFileIfChanged(filename, text)
93	print filename
94
95def writeInlFile (filename, header, source):
96	writeLines(filename, chain([header], source))
97
98def normalizeConstant (constant):
99	value = int(constant, base=0)
100	if value >= 1 << 63:
101		suffix = 'ull'
102	elif value >= 1 << 32:
103		suffix = 'll'
104	elif value >= 1 << 31:
105		suffix = 'u'
106	else:
107		suffix = ''
108	return constant + suffix
109
110def commandParams (command):
111	if len(command.params) > 0:
112		return ", ".join(param.declaration for param in command.params)
113	else:
114		return "void"
115
116def commandArgs (command):
117	return ", ".join(param.name for param in command.params)
118