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Diffstat (limited to 'gfx/angle/checkout/src/compiler/preprocessor/Preprocessor.h')
-rw-r--r-- | gfx/angle/checkout/src/compiler/preprocessor/Preprocessor.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/preprocessor/Preprocessor.h b/gfx/angle/checkout/src/compiler/preprocessor/Preprocessor.h new file mode 100644 index 0000000000..566904de14 --- /dev/null +++ b/gfx/angle/checkout/src/compiler/preprocessor/Preprocessor.h @@ -0,0 +1,72 @@ +// +// Copyright 2011 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +#ifndef COMPILER_PREPROCESSOR_PREPROCESSOR_H_ +#define COMPILER_PREPROCESSOR_PREPROCESSOR_H_ + +#include <cstddef> + +#include "GLSLANG/ShaderLang.h" +#include "common/angleutils.h" + +namespace angle +{ + +namespace pp +{ + +class Diagnostics; +class DirectiveHandler; +struct PreprocessorImpl; +struct Token; + +struct PreprocessorSettings final +{ + PreprocessorSettings(ShShaderSpec shaderSpec) + : maxMacroExpansionDepth(1000), shaderSpec(shaderSpec) + {} + + PreprocessorSettings(const PreprocessorSettings &other) = default; + + int maxMacroExpansionDepth; + ShShaderSpec shaderSpec; +}; + +class Preprocessor : angle::NonCopyable +{ + public: + Preprocessor(Diagnostics *diagnostics, + DirectiveHandler *directiveHandler, + const PreprocessorSettings &settings); + ~Preprocessor(); + + // count: specifies the number of elements in the string and length arrays. + // string: specifies an array of pointers to strings. + // length: specifies an array of string lengths. + // If length is NULL, each string is assumed to be null terminated. + // If length is a value other than NULL, it points to an array containing + // a string length for each of the corresponding elements of string. + // Each element in the length array may contain the length of the + // corresponding string or a value less than 0 to indicate that the string + // is null terminated. + bool init(size_t count, const char *const string[], const int length[]); + // Adds a pre-defined macro. + void predefineMacro(const char *name, int value); + + void lex(Token *token); + + // Set maximum preprocessor token size + void setMaxTokenSize(size_t maxTokenSize); + + private: + PreprocessorImpl *mImpl; +}; + +} // namespace pp + +} // namespace angle + +#endif // COMPILER_PREPROCESSOR_PREPROCESSOR_H_ |