Basic arithmetic and jump labels

2019-11-17 21:02:35 +01:00
commit b84557b3e1
34 changed files with 1350 additions and 0 deletions
--- a/src/token/token.cpp
+++ b/src/token/token.cpp
@@ -0,0 +1,165 @@
+#include <cstdio>
+#include <token/token.hpp>
+
+namespace Token
+{
+	Token::Token(int const _lineNumber, int const _lineColumn)
+		: lineNumber(_lineNumber),
+		lineColumn(_lineColumn),
+		type(TokenType::Unknown),
+		isValid(false)
+	{
+	}
+
+	Token::Token(int const _lineNumber, int const _lineColumn, OperandType _operatorType, bool validness)
+		: lineNumber(_lineNumber),
+		lineColumn(_lineColumn),
+		type(TokenType::Operand),
+		isValid(validness),
+		data(_operatorType)
+	{
+	}
+
+	Token::Token(int const _lineNumber, int const _lineColumn, RegisterType _registerType, bool validness)
+		: lineNumber(_lineNumber),
+		lineColumn(_lineColumn),
+		type(TokenType::Register),
+		isValid(validness),
+		data(_registerType)
+	{
+	}
+
+	Token::Token(int const _lineNumber, int const _lineColumn, int value, bool validness)
+		: lineNumber(_lineNumber),
+		lineColumn(_lineColumn),
+		type(TokenType::ImmediateInteger),
+		isValid(validness),
+		data(value)
+	{
+	}
+
+	Token::Token(int const _lineNumber, int const _lineColumn, std::string const & value, bool validness)
+		: lineNumber(_lineNumber),
+		lineColumn(_lineColumn),
+		type(TokenType::Label),
+		isValid(validness),
+		data(value)
+	{
+	}
+
+	Token::Token(Token const & other)
+		: lineNumber(other.lineNumber),
+		lineColumn(other.lineColumn),
+		type(other.type),
+		isValid(other.isValid),
+		data(other.data)
+	{
+	}
+
+	void Token::DebugPrint() const
+	{
+		std::putc(' ', stdout);
+		switch(type)
+		{
+			case TokenType::ImmediateInteger:
+			if (isValid)
+			{
+				std::printf("$int=%i", std::get<int>(data));
+			}
+			else
+			{
+				std::printf("BAD_IMM_INT");
+			}
+			break;
+
+			case TokenType::Operand:
+			if (isValid)
+			{
+				switch(std::get<OperandType>(data))
+				{
+					case OperandType::AddInteger:
+					std::printf("addi");
+					break;
+
+					case OperandType::MultiplyInteger:
+					std::printf("muli");
+					break;
+
+					case OperandType::SubtractInteger:
+					std::printf("subi");
+					break;
+
+					case OperandType::DivideInteger:
+					std::printf("divi");
+					break;
+
+					case OperandType::ShiftIntegerLeft:
+					std::printf("shli");
+					break;
+
+					case OperandType::ShiftIntegerRight:
+					std::printf("shri");
+					break;
+
+					case OperandType::Jump:
+					std::printf("jump");
+					break;
+
+					default:
+					std::printf("unknown_op");
+					break;
+				}
+			}
+			else
+			{
+				std::printf("BAD_OP");
+			}
+			break;
+
+			case TokenType::Register:
+			if (isValid)
+			{
+				switch(std::get<RegisterType>(data))
+				{
+					case RegisterType::A:
+					std::printf("%%A");
+					break;
+
+					case RegisterType::B:
+					std::printf("%%B");
+					break;
+
+					case RegisterType::C:
+					std::printf("%%C");
+					break;
+
+					case RegisterType::D:
+					std::printf("%%D");
+					break;
+
+					default:
+					std::printf("%%unknown_reg");
+					break;
+				}
+			}
+			else
+			{
+				std::printf("BAD_REG");
+			}
+			break;
+
+			case TokenType::StatementEnd:
+			std::printf("EOS");
+			break;
+
+			case TokenType::Label:
+			std::printf("label=%s", std::get<std::string>(data).c_str());
+			break;
+
+			case TokenType::Unknown:
+			default:
+			std::printf("UNKNOWN_TOKEN");
+			break;
+		}
+	}
+}