/// <summary>
/// Main method for the interpreter
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
while (true)
{
string code;
// Read a file name
// If it exists, then read the code
// Else ask new file name
while (true)
{
Console.Write("\nEnter the filename where the code is: ");
string fileName = Console.In.ReadLine();
if (File.Exists(fileName))
{
code = File.ReadAllText(fileName);
break;
}
Console.Write("\nFile doesn't exist\n");
}
try
{
LexAnalyzer lex = new LexAnalyzer(code);
Parser parser = new Parser(lex);
SemanticChecker semanticChecker = new SemanticChecker(parser);
semanticChecker.Analyze();
Interpreter interpreter = new Interpreter(semanticChecker);
// Check if there are semantic errors
// If there are, print them out and stop
// If no errors, then execute the program
if (!semanticChecker.HasErrors())
{
interpreter.Interpret();
}
else
{
semanticChecker.PrintAllErrors();
}
}
catch (Exception e)
{
Console.Write("\n" + e.Message);
}
}
}
public Parser(LexAnalyzer lex)
{
this.lexAnalyzer = lex;
this.currentToken = this.lexAnalyzer.NextToken();
}