k

sonic3air-main/Oxygen/lemonscript/source/lemon/translator/SourceCodeWriter.cpp

@@ -0,0 +1,99 @@
+/*
+*	Part of the Oxygen Engine / Sonic 3 A.I.R. software distribution.
+*	Copyright (C) 2017-2024 by Eukaryot
+*
+*	Published under the GNU GPLv3 open source software license, see license.txt
+*	or https://www.gnu.org/licenses/gpl-3.0.en.html
+*/
+
+#include "lemon/pch.h"
+#include "lemon/translator/SourceCodeWriter.h"
+#include "lemon/program/Function.h"
+
+
+namespace lemon
+{
+
+	void SourceCodeWriter::writeLine(const String& line)
+	{
+		for (int i = 0; i < mIndentation; ++i)
+			mOutput << "\t";
+		mOutput << line << "\r\n";
+	}
+
+	void SourceCodeWriter::writeEmptyLine()
+	{
+		mOutput << "\r\n";
+	}
+
+	void SourceCodeWriter::beginBlock(const char* lineContent)
+	{
+		writeLine(lineContent);
+		increaseIndentation();
+	}
+
+	void SourceCodeWriter::endBlock(const char* lineContent)
+	{
+		decreaseIndentation();
+		writeLine(lineContent);
+	}
+
+
+
+	void CppWriter::writeFunctionHeader(const Function& function)
+	{
+		String line;
+		addDataType(line, function.getReturnType());
+		line << " ";
+		addIdentifier(line, function.getName().getString());
+		line << "(";
+		for (size_t i = 0; i < function.getParameters().size(); ++i)
+		{
+			if (i > 0)
+				line << ", ";
+			addDataType(line, function.getParameters()[i].mDataType);
+			line << " ";
+			addIdentifier(line, function.getParameters()[i].mName.getString());
+		}
+		line << ")";
+		writeLine(line);
+	}
+
+	void CppWriter::addDataType(String& line, const DataTypeDefinition* dataType)
+	{
+		if (dataType->getClass() == DataTypeDefinition::Class::VOID)
+		{
+			line << "void";
+		}
+		else if (dataType->getClass() == DataTypeDefinition::Class::INTEGER)
+		{
+			const IntegerDataType& integerType = dataType->as<IntegerDataType>();
+			if (integerType.mSemantics == IntegerDataType::Semantics::BOOLEAN)
+			{
+				line << "bool";
+			}
+			else
+			{
+				switch (integerType.getBytes())
+				{
+					case 1:  line << (integerType.mIsSigned ? "int8"  : "uint8" );  break;
+					case 2:  line << (integerType.mIsSigned ? "int16" : "uint16");  break;
+					case 4:  line << (integerType.mIsSigned ? "int32" : "uint32");  break;
+					case 8:  line << (integerType.mIsSigned ? "int64" : "uint64");  break;
+				}
+			}
+		}
+	}
+
+	void CppWriter::addIdentifier(String& line, std::string_view identifier)
+	{
+		for (size_t i = 0; i < identifier.length(); ++i)
+		{
+			if (identifier[i] == '.')
+				line << '_';
+			else
+				line << identifier[i];
+		}
+	}
+
+}