public static AbstractSyntaxTree Compile(SourceStream Source, string SaveLocation)
{
Scanner scanner = new Scanner(Source);
TokenStream tokens = scanner.GenerateTokens();
var parser = new Parser.Parser(tokens);
AbstractSyntaxTree tree = parser.Parse();
tree.CheckIdentifiers();
tree.CheckTypes();
tree.GenerateCIL(SaveLocation);
return(tree);
}
private static int Main(string[] args)
{
if (args.Length != 1)
{
return(Error("The program accepts one, and only one, argument, which is the path to the source"));
}
try
{
string sourcePath = args[0];
using (StreamReader sr = new StreamReader(sourcePath, Encoding.UTF8))
{
SourceStream source = new SourceStream(sr);
Compiler.Compile(source, Environment.CurrentDirectory);
}
return(0);
}
catch (FileNotFoundException)
{
return(Error("The given argument path was not found"));
}
catch (LexerException ex)
{
return(Error(ex.Message));
}
catch (SyntaxException ex)
{
return(Error(ex.Message));
}
catch (UninitializedVariableException ex)
{
return(Error("Uninitialized variable " + ex.Identifier));
}
catch (TypeMismatchException ex)
{
return(Error("Type mismatch: Expected \"" + ex.Expected + "\" but \"" + ex.Found + "\" was found"));
}
catch (InvalidSimpleTypeException ex)
{
return(Error("Type mismatch: Expected \"" + ex.Expected + "\" but \"" + ex.Found + "\" was found"));
}
catch (VariableNameDefinedException ex)
{
return(Error("Variable \"" + ex.Identifier + "\" is defined more than once"));
}
catch (UndefinedOperatorException ex)
{
return(Error("Operator \"" + ex.Operator + "\" is not defined for the type " + ex.Type));
}
catch (InvalidByReferenceException)
{
return(Error("Only variables can be passed by reference"));
}
catch (InvalidParameterCountException ex)
{
return(Error("Invalid amount of paramaters on method call: expected " + ex.Expected + " but " + ex.Found + " was found"));
}
catch (InvalidArrayIndexTypeException ex)
{
return(Error("Invalid array index type found expected integer but " + (ex.Found?.ToString() ?? "none") + " was found"));
}
catch (ArrayAssigmentExpection ex)
{
return(Error("Invalid array assigment: expected " + ex.Expected + " but " + ex.Found + " was found"));
}
catch (ArrayRequiredException ex)
{
return(Error("Invalid .size operator usage: expected array but " + ex.Found + " was found"));
}
catch (InvalidTypeException ex)
{
string exp = ex.Expected[0].ToString();
for (int i = 1; i < ex.Expected.Length; i++)
{
exp += ", " + ex.Expected[i];
}
return(Error("Type mismatch: Expected \"" + exp + "\" but \"" + ex.Found + "\" was found"));
}
catch (Exception ex)
{
return(Error("Internal compiler errors:\n" + ex.Message + "\n" + ex.StackTrace));
}
}