public static int Main(string[] args)
{
Console.OutputEncoding = Encoding.UTF8;
var commandLineParser = new CommandLineParser.CommandLineParser();
var sourcePath = new FileArgument('i', "input", "Source file path")
{
Optional = false
};
var outPath = new FileArgument('o', "output", "Output file path")
{
Optional = true, FileMustExist = false
};
var lexicalAnalysis = new SwitchArgument('l', "lexical", false);
var syntaxAnalysis = new SwitchArgument('s', "syntax", false);
var semanticsCheck = new SwitchArgument('c', "semantics", "turn off semantics check", true);
var codeGeneration = new SwitchArgument('a', "assembler", "generate assembler", false);
var optimization = new SwitchArgument('O', "optimization", "optimization", false);
commandLineParser.Arguments.Add(sourcePath);
commandLineParser.Arguments.Add(outPath);
commandLineParser.Arguments.Add(lexicalAnalysis);
commandLineParser.Arguments.Add(syntaxAnalysis);
commandLineParser.Arguments.Add(semanticsCheck);
commandLineParser.Arguments.Add(codeGeneration);
commandLineParser.Arguments.Add(optimization);
var compileStageGroupCertification = new ArgumentGroupCertification("l,s,a", EArgumentGroupCondition.ExactlyOneUsed);
commandLineParser.Certifications.Add(compileStageGroupCertification);
try {
commandLineParser.ParseCommandLine(args);
}
catch (CommandLineException) {
commandLineParser.ShowUsage();
return(1);
}
using (var output = outPath.Value == null ? Console.Out : new StreamWriter(outPath.StringValue))
using (var input = new StreamReader(sourcePath.OpenFileRead())) {
if (lexicalAnalysis.Value)
{
PerformLexicalAnalysis(input, output);
}
if (syntaxAnalysis.Value)
{
PerformSyntaxAnalysis(input, output, semanticsCheck.Value);
}
if (codeGeneration.Value)
{
PerformCodeGeneration(input, output, optimization.Value);
}
}
return(0);
}
