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 sys
24from genutil import *
25
26# \todo [arttu 2012-12-20] Current set tests variable names only, add function names, structure names, and field selectors.
27
28# Templates
29
30identifierCaseTemplate = """
31case ${{NAME}}
32	expect compile_fail
33	values {}
34
35	both ""
36		precision mediump float;
37
38		${DECLARATIONS}
39
40		void main()
41		{
42			${SETUP}
43			float ${{IDENTIFIER}} = 1.0;
44			${OUTPUT}
45		}
46	""
47end
48"""[1:-1]
49
50# Classes
51
52class IdentifierCase(ShaderCase):
53	def __init__(self, name, identifier):
54		self.name		= name
55		self.identifier = identifier
56
57	def __str__(self):
58		params = {	"NAME"			: self.name,
59					"IDENTIFIER"	: self.identifier }
60		return fillTemplate(identifierCaseTemplate, params)
61
62
63# Declarations
64
65KEYWORDS = [
66	"attribute", "const", "uniform", "varying",	"break", "continue", "do", "for", "while",
67	"if", "else", "in", "out", "inout", "float", "int", "void", "bool", "true", "false",
68	"lowp", "mediump", "highp", "precision", "invariant", "discard", "return", "mat2", "mat3",
69	"mat4",	"vec2", "vec3", "vec4", "ivec2", "ivec3", "ivec4", "bvec2", "bvec3", "bvec4",
70	"sampler2D", "samplerCube",	"struct"
71]
72
73RESERVED_KEYWORDS = [
74	"asm", "class", "union", "enum", "typedef", "template", "this", "packed", "goto", "switch",
75	"default", "inline", "noinline", "volatile", "public", "static", "extern", "external",
76	"interface", "flat", "long", "short", "double", "half", "fixed", "unsigned", "superp",
77	"input", "output", "hvec2", "hvec3", "hvec4", "dvec2", "dvec3", "dvec4", "fvec2", "fvec3",
78	"fvec4", "sampler1D", "sampler3D", "sampler1DShadow", "sampler2DShadow", "sampler2DRect",
79	"sampler3DRect", "sampler2DRectShadow", "sizeof", "cast", "namespace", "using"
80]
81
82INVALID_IDENTIFIERS = [
83	("two_underscores_begin",	"__invalid"),
84	("two_underscores_middle",	"in__valid"),
85	("two_underscores_end",		"invalid__"),
86	("gl_begin",				"gl_Invalid"),
87	("digit",					"0123"),
88	("digit_begin",				"0invalid")
89]
90
91# Keyword usage
92
93keywords			= []
94reservedKeywords	= []
95invalidIdentifiers	= []
96
97for keyword in KEYWORDS:
98	keywords.append(IdentifierCase(keyword, keyword))			# Keywords
99
100for keyword in RESERVED_KEYWORDS:
101	reservedKeywords.append(IdentifierCase(keyword, keyword))	# Reserved keywords
102
103for (name, identifier) in INVALID_IDENTIFIERS:
104	invalidIdentifiers.append(IdentifierCase(name, identifier)) # Invalid identifiers
105
106keywordCases = [
107	CaseGroup("keywords",				"Usage of keywords as identifiers.",			keywords),
108	CaseGroup("reserved_keywords",		"Usage of reserved keywords as identifiers.",	reservedKeywords),
109	CaseGroup("invalid_identifiers",	"Usage of invalid identifiers.",				invalidIdentifiers)
110]
111
112# Main program
113
114if __name__ == "__main__":
115	print("Generating shader case files.")
116	writeAllCases("keywords.test", keywordCases)
117