static void Main(string[] args)
{
string inputfilename = "return_int.c";
if (args.Count() > 0)
{
inputfilename = args[0];
}
if (!File.Exists(inputfilename))
{
Console.WriteLine("File \"" + inputfilename + "\" is not available.");
return;
}
string src = File.ReadAllText(inputfilename);
Token[] tokens = Lexer.Tokenize(src);
AbstractSyntaxTree ast = Parser.Parse(tokens);
string outfilename = inputfilename.Replace(".c", ".s");
Generator.Write(outfilename, tokens, ast);
}
public static AbstractSyntaxTree Parse(Token[] stream)
{
Queue <Token> tokens = new Queue <Token>(stream);
AST.Function main = ParseFunction(tokens);
AST.Program program = new AST.Program(main);
AbstractSyntaxTree ast = new AbstractSyntaxTree(program);
return(ast);
}
public static void Write(string filename, Token[] tokens, AbstractSyntaxTree ast)
{
StreamWriter writer = new StreamWriter(filename, false);
//WriteProgram(writer);
WriteFunction(writer, ast.Root.Main);
writer.WriteLine();
for (int i = 0; i < tokens.Length; i++)
{
writer.Write(tokens[i] + "\n");
}
writer.WriteLine();
writer.WriteLine(ast.ToString());
writer.Close();
}