// Initializes and runs Lexical Analysis module
public static void StartLexicalAnalyzer(string[] arguments)
{
ValidateArguments(arguments);
CommonTools.SetupOutputs(new string[] { GlobalConfiguration.LexicalAnalyzerOutputPath });
CommonTools.ClearOutputDisplays();
LexicalAnalyzer lexicalAnalyzer = new LexicalAnalyzer(arguments[0]);
CommonTools.DisplayHeader = lexicalAnalyzer.DisplayTokenHeader;
lexicalAnalyzer.DisplayTokenHeader();
while (lexicalAnalyzer.Token != Token.EndOfFileToken)
{
lexicalAnalyzer.GetNextToken();
lexicalAnalyzer.DisplayCurrentToken();
}
CommonTools.PromptProgramExit();
}
// Initializes and runs Three Address Code module
public static void StartThreeAddressCode(string[] arguments)
{
CommonTools.ThreeAddressCodeRun = true;
ValidateArguments(arguments);
CommonTools.SetupOutputs
(new string[] { GlobalConfiguration.ThreeAddressCodeOutputPath,
AppendFileExtension(arguments[0], "tac") });
CommonTools.ClearOutputDisplays();
LexicalAnalyzer lexicalAnalyzer = new LexicalAnalyzer(arguments[0]);
lexicalAnalyzer.GetNextToken();
SymbolTable symbolTable = new SymbolTable();
Parser parser = new Parser(lexicalAnalyzer, symbolTable);
parser.Start();
CommonTools.PromptProgramExit();
}
// Initializes and runs Parser module
public static void StartParser(string[] arguments)
{
ValidateArguments(arguments);
CommonTools.SetupOutputs(new string[] { GlobalConfiguration.ParserOutputPath });
CommonTools.ClearOutputDisplays();
LexicalAnalyzer lexicalAnalyzer = new LexicalAnalyzer(arguments[0]);
lexicalAnalyzer.GetNextToken();
SymbolTable symbolTable = new SymbolTable();
Parser parser = new Parser(lexicalAnalyzer, symbolTable);
if (parser.Start())
{
symbolTable.OutputSymbolTable(1);
}
CommonTools.WriteOutput($"Completed processing {Path.GetFileName(arguments[0])}");
CommonTools.PromptProgramExit();
}
// Parameterized constructor requires a lexical analyzer and symbol table
public Parser(LexicalAnalyzer lexicalAnalyzer, SymbolTable symbolTable)
{
LexicalAnaylzer = lexicalAnalyzer;
SymbolTable = symbolTable;
}
