/// <summary>
/// Initializes a new instance of the <see cref="MiniPLInterpreter.StatementCheckVisitor"/> class.
/// </summary>
/// <param name="analyzer">Analyzer.</param>
public StatementCheckVisitor(SemanticAnalyzer analyzer)
{
this.analyzer = analyzer;
this.typeChecker = new TypeCheckingVisitor(analyzer);
// We tend to return a lot of VoidProperties here,
// but since we don't do anything with them, we
// use one global VoidProperty object and pass it
// anytime we need to pass one.
this.voidProperty = new VoidProperty();
}
static void Main(string[] args)
{
string codeExamples = File.ReadAllText("CodeExamples.txt");
Lexer lexer = new Lexer(codeExamples);
Parser parser = new Parser(lexer);
SemanticAnalyzer semanticAnalyzer = new SemanticAnalyzer(parser);
semanticAnalyzer.Analyze();
Interpreter interpreter = new Interpreter(semanticAnalyzer);
interpreter.Interpret();
}
/// <summary>
/// Compiles the source code of the given filepath.
/// </summary>
/// <param name="filePath">File path.</param>
public SyntaxTree Compile(string filePath)
{
Init(filePath); // initialize the compiler
SyntaxTree syntaxTree = this.parser.Parse(); // parse the source code into an AST
// if any errors were found during the parse, return null
if (lexicalAndSyntacticalErrors())
{
return(null);
}
// perform semantic analysis
semanticAnalyzer = new SemanticAnalyzer(syntaxTree, symbolTable);
semanticAnalyzer.Analyze();
// return the AST
return(syntaxTree);
}
public Interpreter(SemanticAnalyzer semanticAnalyzer)
{
this.semanticAnalyzer = semanticAnalyzer;
this.tree = semanticAnalyzer.tree;
this.globalMemory = new Dictionary <object, object>();
}
private VoidProperty voidProperty; // as with the StatementCheckVisitor, use this to pass all voids
public TypeCheckingVisitor(SemanticAnalyzer analyzer)
{
this.analyzer = analyzer;
this.voidProperty = new VoidProperty();
}