Wiring up the LIR flow.

src/alloy/backend/x64/lowering/lowering_table.h

@@ -0,0 +1,67 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef ALLOY_BACKEND_X64_X64_LOWERING_LOWERING_TABLE_H_
+#define ALLOY_BACKEND_X64_X64_LOWERING_LOWERING_TABLE_H_
+
+#include <alloy/core.h>
+#include <alloy/backend/x64/lir/lir_instr.h>
+#include <alloy/hir/instr.h>
+
+
+namespace alloy {
+namespace backend {
+namespace x64 {
+class X64Backend;
+namespace lir { class LIRBuilder; }
+namespace lowering {
+
+
+class LoweringTable {
+public:
+  LoweringTable(X64Backend* backend);
+  ~LoweringTable();
+
+  int Initialize();
+
+  int Process(lir::LIRBuilder* builder);
+
+public:
+  class FnWrapper {
+  public:
+    FnWrapper() : next(0) {}
+    virtual bool operator()(lir::LIRBuilder* builder, hir::Instr*& instr) const = 0;
+    FnWrapper* next;
+  };
+  template<typename T>
+  class TypedFnWrapper : public FnWrapper {
+  public:
+    TypedFnWrapper(T fn) : fn_(fn) {}
+    virtual bool operator()(lir::LIRBuilder* builder, hir::Instr*& instr) const {
+      return fn_(builder, instr);
+    }
+  private:
+    T fn_;
+  };
+
+  void AddSequence(hir::Opcode starting_opcode, FnWrapper* fn);
+
+private:
+  X64Backend* backend_;
+  FnWrapper* lookup_[hir::__OPCODE_MAX_VALUE];
+};
+
+
+}  // namespace lowering
+}  // namespace x64
+}  // namespace backend
+}  // namespace alloy
+
+
+#endif  // ALLOY_BACKEND_X64_X64_LOWERING_LOWERING_TABLE_H_