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_