private static void Main(string[] args)
{
if (!args.Any())
{
Console.WriteLine("There is no file to compile.");
return;
}
var fileName = args.First();
if (!File.Exists(fileName))
{
Console.WriteLine("There is no file to compile.");
return;
}
string program;
using (var fr = new StreamReader(File.Open(fileName, FileMode.Open)))
{
program = fr.ReadToEnd();
}
var reader = new Reader("input.txt");
var grammar = reader.ReadGrammar();
var lexical = new LexicalAnalyzer(grammar, "LA.xml");
var tokens = lexical.Convert(program);
var syntax = new SyntaxAnalyzer(tokens);
var tree = syntax.Analyze();
if (ReportError(syntax.Errors))
return;
var semantics = new SemanticAnalyzer(tree);
semantics.DecorateAndValidateTree();
if (ReportError(semantics.Errors))
return;
var gen = new CodeGenerator(tree);
gen.Generate(Path.GetFileNameWithoutExtension(fileName) + ".exe");
}
private ITree Compile()
{
var reader = new Reader("input.txt");
var grammar = reader.ReadGrammar();
var lexical = new LexicalAnalyzer(grammar, "LA.xml");
var tokens = lexical.Convert(Code.Text);
var syntax = new SyntaxAnalyzer(tokens);
var tree = syntax.Analyze();
if (syntax.Errors.Any())
{
Errors = syntax.Errors;
return null;
}
var semantics = new SemanticAnalyzer(tree);
semantics.DecorateAndValidateTree();
if (semantics.Errors.Any())
{
Errors = semantics.Errors;
return null;
}
return tree;
}
