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engines/freescape/language/instruction.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// Based on Phantasma code by Thomas Harte (2013),
+// available at https://github.com/TomHarte/Phantasma/ (MIT)
+
+#ifndef FREESCAPE_INSTRUCTION_H
+#define FREESCAPE_INSTRUCTION_H
+
+#include "common/array.h"
+#include "freescape/language/token.h"
+
+namespace Freescape {
+
+class FCLInstruction;
+typedef Common::Array<FCLInstruction> FCLInstructionVector;
+
+class FCLInstruction {
+public:
+	FCLInstruction();
+	FCLInstruction(Token::Type type);
+	void setSource(int32 source);
+	void setAdditional(int32 additional);
+	void setDestination(int32 destination);
+
+	Token::Type getType() const;
+
+	bool isConditional() const {
+		Token::Type type = getType();
+		return 	type == Token::Type::BITNOTEQ || type == Token::Type::VARNOTEQ || \
+				type == Token::Type::IFGTEQ || type == Token::Type::IFLTEQ || \
+				type == Token::Type::VAREQ || _type == Token::Type::INVISQ;
+	}
+
+	void setBranches(FCLInstructionVector *thenBranch, FCLInstructionVector *elseBranch);
+
+	FCLInstruction duplicate();
+
+	int32 _source;
+	int32 _additional;
+	int32 _destination;
+
+	FCLInstructionVector *_thenInstructions;
+	FCLInstructionVector *_elseInstructions;
+
+private:
+	enum Token::Type _type;
+};
+
+} // End of namespace Freescape
+
+#endif // FREESCAPE_INSTRUCTION_H