1 files changed, 38 insertions, 0 deletions
diff --git a/source/slang/slang-preprocessor.h b/source/slang/slang-preprocessor.h
new file mode 100644
index 000000000..191adce88
--- /dev/null
+++ b/source/slang/slang-preprocessor.h
@@ -0,0 +1,38 @@
+// Preprocessor.h
+#ifndef SLANG_PREPROCESSOR_H_INCLUDED
+#define SLANG_PREPROCESSOR_H_INCLUDED
+
+#include "../core/slang-basic.h"
+#include "../slang/slang-lexer.h"
+
+namespace Slang {
+
+class DiagnosticSink;
+class Linkage;
+class Module;
+class ModuleDecl;
+
+// Callback interface for the preprocessor to use when looking
+// for files in `#include` directives.
+struct IncludeHandler
+{
+    
+    virtual SlangResult findFile(const String& pathToInclude,
+        const String& pathIncludedFrom,
+        PathInfo& pathInfoOut) = 0;
+
+    virtual String simplifyPath(const String& path) = 0;
+};
+
+// Take a string of source code and preprocess it into a list of tokens.
+TokenList preprocessSource(
+    SourceFile*                 file,
+    DiagnosticSink*             sink,
+    IncludeHandler*             includeHandler,
+    Dictionary<String, String>  defines,
+    Linkage*                    linkage,
+    Module*                     parentModule);
+
+} // namespace Slang
+
+#endif