added Compiler to turn an interpretation into an object file

[l2e.git] / src / loader / Compiler.h

diff --git a/src/loader/Compiler.h b/src/loader/Compiler.h
new file mode 100644 (file)
index 0000000..d2f0361
--- /dev/null
+++ b/src/loader/Compiler.h
@@ -0,0 +1,90 @@
+/*
+ * Compiler.h
+ *
+ *  Created on: Sep 11, 2012
+ *      Author: holy
+ */
+
+#ifndef LOADER_COMPILER_H_
+#define LOADER_COMPILER_H_
+
+#include <iosfwd>
+#include <map>
+#include <memory>
+#include <SDL.h>
+
+namespace loader {
+
+class Interpreter;
+
+class Compiler {
+
+public:
+       explicit Compiler(const Interpreter &intp);
+       ~Compiler() { }
+private:
+       Compiler(const Compiler &);
+       Compiler &operator =(const Compiler &);
+
+public:
+       void Write(std::ostream &);
+
+       struct Export {
+               int nameOffset;
+               int typeId;
+               int dataOffset;
+       };
+
+       struct External {
+               int nameOffset;
+               int referenceOffset;
+               int inlined;
+       };
+
+       struct ImageProperties {
+               Uint32 flags;
+               int width;
+               int height;
+               int depth;
+               Uint32 rmask;
+               Uint32 gmask;
+               Uint32 bmask;
+               Uint32 amask;
+       };
+
+private:
+       void WriteHeader(std::ostream &);
+       void WriteExports(std::ostream &);
+       void WriteExternals(std::ostream &);
+       void WriteExportStrings(std::ostream &);
+       void WriteExternalStrings(std::ostream &);
+       void WriteImages(std::ostream &);
+       void WriteObjects(std::ostream &);
+
+       void Write(std::ostream &, const char *data, int amount);
+       void Pad(std::ostream &, int to);
+       static int Remaining(int value, int alignment);
+
+       int ReferenceOffset(int typeId, int objectId, std::ptrdiff_t fieldOffset) const;
+       int ObjectOffset(int typeId, int objectId) const;
+       int TypeOffset(int typeId) const;
+
+private:
+       const Interpreter &intp;
+
+       int cursor;
+
+       int exportsOffset;
+       int externalsOffset;
+       int externalStringsOffset;
+       int exportStringsOffset;
+       int imagesOffset;
+       int objectsOffset;
+
+       std::map<int, int> objectOffsets;
+
+};
+
+}
+
+#endif /* LOADER_COMPILER_H_ */