modules/gles2/scripts/gen-keywords.py

   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
  23 import sys
  24 from 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
  30 identifierCaseTemplate = """
  31 case ${{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         ""
  47 end
  48 """[1:-1]
  49
  50 # Classes
  51
  52 class 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
  65 KEYWORDS = [
  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
  73 RESERVED_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
  82 INVALID_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
  93 keywords                        = []
  94 reservedKeywords        = []
  95 invalidIdentifiers      = []
  96
  97 for keyword in KEYWORDS:
  98         keywords.append(IdentifierCase(keyword, keyword))                       # Keywords
  99
 100 for keyword in RESERVED_KEYWORDS:
 101         reservedKeywords.append(IdentifierCase(keyword, keyword))       # Reserved keywords
 102
 103 for (name, identifier) in INVALID_IDENTIFIERS:
 104         invalidIdentifiers.append(IdentifierCase(name, identifier)) # Invalid identifiers
 105
 106 keywordCases = [
 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
 114 if __name__ == "__main__":
 115         print "Generating shader case files."
 116         writeAllCases("keywords.test", keywordCases)