static void Main(string[] args)
{
//args = new string[]{"", "false", "false", "true", "true", "true", "true"};
//args = new string[]{"", "false", "false", "false", "false", "false", "false"};
args = new string[] { "", "true", "true", "true", "true", "true", "true" };
// Used when input is accepted from the command line, otherwise will execute
// a default file found it the directory of the exe called "testsyn.txt"
if (args.Length > 0)
{
if (args.Length >= 1)
{
FILENAME = args[0]; // The filename of the sourcecode
}
if (args.Length >= 2 && args[1] == "true")
{
SyntaxAnalyzer.traceOn = true; // Toggles on 'enter/exit' display mode
}
if (args.Length >= 3 && args[2] == "true")
{
SyntaxAnalyzer.verbose = true; // Toggles on reporting of the lexemes and indeces
}
if (args.Length >= 4 && args[3] == "true")
{
SyntaxAnalyzer.extraverbose = true; // Toggles on source line echo
}
if (args.Length >= 5 && args[4] == "true")
{
SyntaxAnalyzer.interpretTraceOn = true; // Toggles on quad code echo
}
if (args.Length >= 6 && args[5] == "true")
{
// Toggles visibility of the symbol table at the end of execution
showSymbolTable = true;
}
if (args.Length >= 7 && args[6] == "true")
{
// Toggles visibility of the quad table at the end of execution
showQuadTable = true;
}
}
// Compiles the source file
// Conditional variables set by command line input
SyntaxAnalyzer.DoParse(FILENAME);
// If the source file was compiled without errors
// the user will have the chance to interpret when ready
// EOF makes sure all file contents were processed
// Sometimes errors happen in the last line which doesn't trigger Error occured
// Error is used in this case
// Error occured is a global error variable set when an error is caught
if (LexicalAnalyzer.EOF && !SyntaxAnalyzer.Error && !SyntaxAnalyzer.ErrorOccured)
{
Console.WriteLine("Press enter to execute");
Console.ReadLine();
if (showSymbolTable)
{
LexicalAnalyzer.symbolTable.PrintSymbolTable();
}
if (showQuadTable)
{
SyntaxAnalyzer.programQuadTable.PrintQuadTable();
}
Interpreter.IntepretQuads(SyntaxAnalyzer.programQuadTable,
LexicalAnalyzer.symbolTable,
SyntaxAnalyzer.interpretTraceOn);
if (showSymbolTable)
{
LexicalAnalyzer.symbolTable.PrintSymbolTable();
}
}
Console.ReadLine();
}
