Virtual machine

1 files changed, 69 insertions, 0 deletions

diff --git a/src/virtualmachine/Exceptions.h b/src/virtualmachine/Exceptions.h
new file mode 100644
index 0000000..2dca461
--- /dev/null
+++ b/src/virtualmachine/Exceptions.h
@@ -0,0 +1,69 @@
+#pragma once
+#include <stdexcept>
+#include <cstring>
+#include "Format.h"
+
+namespace vm
+{
+	class RuntimeException: public std::exception
+	{
+	public:
+		RuntimeException() {}
+		const char * what() const throw()
+		{
+			return "VirtualMachine runtime exception";
+		}
+		~RuntimeException() throw() {};
+	};
+
+	class StackOverflowException: public RuntimeException
+	{
+	public:
+		StackOverflowException() {}
+		const char * what() const throw()
+		{
+			return "VirtualMachine Stack overflow";
+		}
+		~StackOverflowException() throw() {};
+	};
+
+	class StackUnderflowException: public RuntimeException
+	{
+	public:
+		StackUnderflowException() {}
+		const char * what() const throw()
+		{
+			return "VirtualMachine Stack underflow";
+		}
+		~StackUnderflowException() throw() {};
+	};
+
+	class AccessViolationException: public RuntimeException
+	{
+		int address;
+		char * _what;
+	public:
+		AccessViolationException(int address = 0) : address(address)
+		{
+			_what = strdup(std::string("VirtualMachine Access violation at "+format::NumberToString<int>(address)).c_str());
+		}
+		const char * what() const throw()
+		{
+			if(address)
+				return _what;
+			return "VirtualMachine Access violation";
+		}
+		~AccessViolationException() throw() {};
+	};
+
+	class OutOfMemoryException: public RuntimeException
+	{
+	public:
+		OutOfMemoryException() {}
+		const char * what() const throw()
+		{
+			return "VirtualMachine Out of memory";
+		}
+		~OutOfMemoryException() throw() {};
+	};
+}
\ No newline at end of file