public ArithmaticUnifier()
{
ProgramBlockParser parser = new ProgramBlockParser();
var progIn = parser.Parse(solver);
interpreter = new Interpreter.Execution.Interpreter(((AstProgramBlock)progIn.AstResult).Convert(),
new[] { new ArithmaticFunctions() }.Cast <ITrsNativeFunction>().ToList());
}
public ArithmaticUnifier()
{
ProgramBlockParser parser = new ProgramBlockParser();
var progIn = parser.Parse(solver);
interpreter = new Interpreter.Execution.Interpreter(((AstProgramBlock)progIn.AstResult).Convert(),
new[] { new ArithmaticFunctions() }.Cast<ITrsNativeFunction>().ToList());
}
public void ExecuteRewriteStep()
{
// Evaluate
string prevInput = ParseRegexes.LookAheadSingleLineComment.Replace(code.ProgramBlock, Environment.NewLine).Trim();
StringBuilder messages = new StringBuilder();
// Execute
Tokenizer tokenizer = new Tokenizer();
ProgramBlockParser parser = new ProgramBlockParser();
var tokenResult = tokenizer.Tokenize(code.ProgramBlock);
if (tokenResult.Succeed && tokenResult.Tokens.Count == 0)
{
messages.AppendLine("// No input statements given.");
messages.AppendLine();
messages.AppendLine(prevInput);
}
else if (tokenResult.Succeed)
{
var ast = parser.Parse(tokenResult.Tokens, 0);
if (ast.Succeed)
{
var nativeFunctions = new [] { new ArithmaticFunctions() }.Cast <ITrsNativeFunction>().ToList();
var externalUnifiers = new [] { new ArithmaticUnifier() /* new TestUnifier() */ }.Cast <ITrsUnifierCalculation>().ToList();
var programBlock = ((AstProgramBlock)ast.AstResult).Convert();
var interpreter = new Interpreter.Execution.Interpreter(programBlock, nativeFunctions, externalUnifiers.ToList());
messages.AppendLine("// Interpreter validation messages: " + (interpreter.ValidationMessages.Count == 0 ? "None" : string.Empty));
foreach (var msg in interpreter.ValidationMessages)
{
messages.AppendLine("// " + msg.Message);
}
if (interpreter.ValidationMessages.Where(msg => msg.MessageType == InterpreterMessageType.Error).FirstOrDefault() != null)
{
messages.AppendLine("// Errors found, exiting ...");
messages.AppendLine();
messages.AppendLine(prevInput);
}
else
{
if (!interpreter.ExecuteRewriteStep())
{
messages.AppendLine("// No further rewriting took place");
}
messages.AppendLine();
messages.AppendLine(interpreter.GetCurrentRewriteResult().ProgramOut.ToSourceCode());
}
}
else
{
messages.AppendLine("// Parsing failed:\n// " + ast.ErrorMessage);
var errPos = ast.StartPosition >= ast.SourceTokens.Count ? ast.SourceTokens.Count - 1 : ast.StartPosition;
messages.AppendLine("// Input is: " + GetErrorLine(tokenResult.Tokens[errPos].From).Trim());
messages.AppendLine();
messages.AppendLine(prevInput);
}
}
else
{
messages.AppendLine("// Tokenization failed:\n// " + tokenResult.ErrorMessage);
messages.AppendLine();
messages.AppendLine(prevInput);
}
code.ProgramBlock = messages.ToString();
}