static void Main(string[] args)
{
if ( args.Length != 1 )
{
System.Console.WriteLine("Usage:");
System.Console.WriteLine();
System.Console.WriteLine("j0.exe <FilePath>");
System.Console.WriteLine();
System.Console.WriteLine("The J0 compiler generates the executable .NET MSIL code.");
System.Console.WriteLine("The code is placed to the new file with the same name");
System.Console.WriteLine("as the source file and with the '.exe' extension.");
return;
}
string fname = args[0];
System.Console.WriteLine("J0 Command Line Compiler Version 0.0.0.1");
System.Console.WriteLine("Copyright © R.Hamilton 2012");
Errors errors = new Errors();
try
{
Source source = new Source(fname /* @"c:\Zouev\J0\Tests\T01.j0" */,errors);
Lexer lexer = new Lexer(source,errors);
Parser parser = new Parser(lexer,errors);
// 1. Parsing
PROGRAM program = parser.parseCompilationUnit();
if ( errors.errCount() > 0 ) { errors.report(); return; }
// 2. Name resolution
program.resolve(null,null,null);
if (errors.errCount() > 0) { errors.report(); return; }
// 3. Code generation
Generator gen = new Generator(source,errors,program);
gen.generateProgram();
if ( errors.errCount() > 0 )
{
errors.report();
System.Console.WriteLine("Code is not generated");
}
else
{
System.Console.WriteLine("Compilation completed successfully");
}
}
catch (Exception)
{
errors.issue(34); // internal error
errors.report();
System.Console.WriteLine("Compilation aborted");
}
}
public Generator(Source s, Errors e, PROGRAM p)
{
source = s;
errors = e;
program = p;
}
public Lexer(Source source, Errors errors)
{
this.source = source;
this.errors = errors;
this.current = null;
}