private void FindVariables()
{
this.variableInfo = new List <PsudoVariableInfo>();
for (int i = 0; i < lineTypes.Length; i++)
{
switch (lineTypes[i])
{
case PsudoLineType.Variable:
Match typeMatch = Regex.Match(codeLines[i],
@"(string|num)",
RegexOptions.IgnoreCase);
Match match = Regex.Match(codeLines[i],
@"(?<=(string|num))[\s]*[a-zA-Z0-9_-]*",
RegexOptions.IgnoreCase);
PsudoVariableInfo var = new PsudoVariableInfo(
match.Value.Trim().ToLower(), typeMatch.Value.Trim().ToLower(), i);
Match value = Regex.Match(codeLines[i],
@"(?<=(=[\s]*))[a-zA-Z0-9_-]*[\s]*$",
RegexOptions.IgnoreCase);
if (value.Success)
{
var.Default = value.Value;
}
this.variableInfo.Add(var);
break;
default:
break;
}
}
}
protected object CreateVariable(PsudoVariableInfo vInfo)
{
switch (vInfo.Type)
{
case "string":
if (vInfo.Default != null)
{
return(vInfo.Default);
}
return("");
case "num":
if (vInfo.Default != null)
{
return(Convert.ToDouble(vInfo.Default));
}
return(0.0);
}
return(null);
}
protected List <PsudoInstruction> CompileBlock(PsudoMethod method, int startLine, int endLine)
{
List <PsudoInstruction> list = new List <PsudoInstruction>();
for (int i = startLine; i <= endLine; i++)
{
try
{
switch (this.scanner.lineTypes[i])
{
case PsudoLineType.Variable:
PsudoVariableInfo vInfo = this.scanner.variableInfo.Find(
item => item.Line == i);
vInfo.Processed = true;
list.Add(new CreateLocalVariable(i, method, vInfo.Type, vInfo.Name, vInfo.Default));
break;
case PsudoLineType.StartDecision:
case PsudoLineType.StartStartDecision:
int end;
list.Add(CompileDecision(method, i, out end));
i = end;
break;
case PsudoLineType.StartLoop:
int end2;
list.Add(CompileLoop(method, i, out end2));
i = end2;
break;
case PsudoLineType.Instruction:
list.Add(InstructionFactory.CompileInstruction(
this.codeLines[i], i, method));
break;
// Nothing to do for the following
case PsudoLineType.StartMain:
case PsudoLineType.StartMethod:
case PsudoLineType.Whitespace:
case PsudoLineType.Comment:
case PsudoLineType.EndMethod:
break;
case PsudoLineType.EndDecision:
throw new Exception("Unexpected End Decision");
case PsudoLineType.EndLoop:
throw new Exception("Unexpected End Loop");
case PsudoLineType.EndClass:
case PsudoLineType.StartClass:
throw new Exception("Classes Not Supported Currently");
default:
throw new Exception(string.Format(
"Error Compiling Method \"{0}\" on Line #{1}",
method.Name, i + 1));
}
}
catch (Exception e)
{
this.Errors.Add(new CompileError(e.Message, i + 1));
}
}
return(list);
}
