Initial commit

engines/director/lingo/lingodec/script.h

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+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef LINGODEC_SCRIPT_H
+#define LINGODEC_SCRIPT_H
+
+#include "common/ptr.h"
+#include "common/str.h"
+#include "./enums.h"
+
+namespace Common {
+class ReadStream;
+}
+
+namespace LingoDec {
+
+class CodeWriterVisitor;
+struct Datum;
+struct Handler;
+struct ScriptContext;
+
+/* LiteralStore */
+
+struct LiteralStore {
+	LiteralType type;
+	uint32 offset;
+	Common::SharedPtr<Datum> value;
+
+	void readRecord(Common::SeekableReadStream &stream, int version);
+	void readData(Common::SeekableReadStream &stream, uint32 startOffset);
+};
+
+/* Script */
+
+struct Script {
+	/*  8 */ uint32 totalLength;
+	/* 12 */ uint32 totalLength2;
+	/* 16 */ uint16 headerLength;
+	/* 18 */ uint16 scriptNumber;
+	/* 20 */ int16 unk20;
+	/* 22 */ int16 parentNumber;
+
+	/* 38 */ uint32 scriptFlags;
+	/* 42 */ int16 unk42;
+	/* 44 */ int16 unk43;
+	// This castID is not reliable
+	/* 46 */ int16 castID;
+	/* 48 */ int16 factoryNameID;
+	/* 50 */ uint16 handlerVectorsCount;
+	/* 52 */ uint32 handlerVectorsOffset;
+	/* 56 */ uint32 handlerVectorsSize;
+	/* 60 */ uint16 propertiesCount;
+	/* 62 */ uint32 propertiesOffset;
+	/* 66 */ uint16 globalsCount;
+	/* 68 */ uint32 globalsOffset;
+	/* 72 */ uint16 handlersCount;
+	/* 74 */ uint32 handlersOffset;
+	/* 78 */ uint16 literalsCount;
+	/* 80 */ uint32 literalsOffset;
+	/* 84 */ uint32 literalsDataCount;
+	/* 88 */ uint32 literalsDataOffset;
+
+	Common::Array<int16> propertyNameIDs;
+	Common::Array<int16> globalNameIDs;
+
+	Common::String factoryName;
+	Common::Array<Common::String> propertyNames;
+	Common::Array<Common::String> globalNames;
+	Common::Array<Handler> handlers;
+	Common::Array<LiteralStore> literals;
+	Common::Array<Script *> factories;
+
+	unsigned int version;
+	ScriptContext *context;
+
+	Script(unsigned int version_);
+	~Script();
+	void read(Common::SeekableReadStream &stream);
+	Common::Array<int16> readVarnamesTable(Common::SeekableReadStream &stream, uint16 count, uint32 offset);
+	bool validName(int id) const;
+	Common::String getName(int id) const;
+	void setContext(ScriptContext *ctx);
+	void parse();
+	void writeVarDeclarations(CodeWriterVisitor &code) const;
+	void writeScriptText(CodeWriterVisitor &code) const;
+	Common::String scriptText(const char *lineEnding, bool dotSyntax) const;
+	void writeBytecodeText(CodeWriterVisitor &code) const;
+	Common::String bytecodeText(const char *lineEnding, bool dotSyntax) const;
+
+	bool isFactory() const;
+};
+
+} // namespace LingoDec
+
+#endif // LINGODEC_SCRIPT_H