91 lines
2.8 KiB
C#
91 lines
2.8 KiB
C#
using Antlr4.Runtime;
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using System;
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using System.Linq;
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using System.Text;
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public class Program
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{
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static void Main(string[] args)
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{
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bool show_tree = false;
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bool show_tokens = false;
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string file_name = null;
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string input = null;
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for (int i = 0; i < args.Length; ++i)
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{
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if (args[i].Equals("-tokens"))
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{
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show_tokens = true;
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continue;
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}
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else if (args[i].Equals("-tree"))
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{
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show_tree = true;
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continue;
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}
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else if (args[i].Equals("-input"))
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input = args[i];
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else if (args[i].Equals("-file"))
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file_name = args[++i];
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}
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ICharStream str = null;
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if (input == null && file_name == null)
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{
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StringBuilder sb = new StringBuilder();
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int ch;
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while ((ch = System.Console.Read()) != -1)
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{
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sb.Append((char)ch);
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}
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input = sb.ToString();
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str = CharStreams.fromString(input);
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}
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else if (input != null)
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{
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str = CharStreams.fromString(input);
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}
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else if (file_name != null)
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{
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str = CharStreams.fromPath(file_name);
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}
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var lexer = new asm8080Lexer(str);
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if (show_tokens)
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{
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StringBuilder new_s = new StringBuilder();
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for (int i = 0; ; ++i)
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{
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var ro_token = lexer.NextToken();
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var token = (CommonToken)ro_token;
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token.TokenIndex = i;
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new_s.AppendLine(token.ToString());
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if (token.Type == Antlr4.Runtime.TokenConstants.EOF)
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break;
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}
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System.Console.Error.WriteLine(new_s.ToString());
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}
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lexer.Reset();
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var tokens = new CommonTokenStream(lexer);
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var parser = new asm8080Parser(tokens);
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var listener_lexer = new ErrorListener<int>();
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var listener_parser = new ErrorListener<IToken>();
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lexer.AddErrorListener(listener_lexer);
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parser.AddErrorListener(listener_parser);
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parser.Profile = true;
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var tree = parser.prog();
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if (listener_lexer.had_error || listener_parser.had_error)
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{
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System.Console.Error.WriteLine("parse failed.");
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}
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else
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{
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System.Console.Error.WriteLine("parse succeeded.");
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}
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if (show_tree)
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{
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System.Console.Error.WriteLine(tree.ToStringTree());
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}
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System.Console.Out.WriteLine(String.Join(", ", parser.ParseInfo.getDecisionInfo().Select(d => d.ToString())));
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System.Environment.Exit(listener_lexer.had_error || listener_parser.had_error ? 1 : 0);
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}
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}
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