public void ScalarMulCSTtoAST()
{
string source = "double a = 2.5; tensor b[2][2] = { [80, 25.2], [19.6, 66] }; tensor c[2][2] = a * b;";
AntlrInputStream inputStream = new AntlrInputStream(new StringReader(source));
Lexer lexer = new ML4DLexer(inputStream);
CommonTokenStream tokenStream = new CommonTokenStream(lexer);
ML4DParser parser = new ML4DParser(tokenStream);
LinesContext cst = parser.lines();
LinesNode ast = new ASTBuilder().VisitLines(cst);
Assert.IsTrue(ast.lines.Count == 3);
Assert.IsTrue(ast.lines[0] is VariableDCLNode);
List <Node> children0 = ast.lines[0].GetChildren();
Assert.IsTrue(children0.Count == 1 && children0[0] is DoubleNode);
Assert.IsTrue(ast.lines[1] is TensorDCLNode);
List <Node> children1 = ast.lines[1].GetChildren();
Assert.IsTrue(children1.Count == 1 && children1[0] is TensorInitNode);
Assert.IsTrue(ast.lines[2] is TensorDCLNode);
List <Node> children2 = ast.lines[2].GetChildren();
Assert.IsTrue(children2.Count == 1 && children2[0] is MultiplicationNode);
List <Node> mulChilldren = children2[0].GetChildren();
Assert.IsTrue(mulChilldren[0] is IDNode);
Assert.IsTrue(mulChilldren[1] is IDNode);
}
static void Main(string[] args)
{
try
{
if (string.IsNullOrEmpty(args[0]) || string.IsNullOrEmpty(args[1]))
{
throw new Exception(
"No run arguments were found. Missing arguments: <source filename> <target filename>");
}
string sourceFilename = args[0].Trim();
string targetFileName = args[1].Trim();
string text = File.ReadAllText(AppDomain.CurrentDomain.BaseDirectory + sourceFilename + ".ML4D");
// ANTLR Lexer, Paser, and AST
var inputStream = new AntlrInputStream(new StringReader(text));
var lexer = new ML4DLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new ML4DParser(tokenStream);
var cst = parser.lines();
var ast = new ASTBuilder().VisitLines(cst);
// Symbol Table and Type check
SymbolTable symbolTable = new SymbolTable();
symbolTable.OpenScope(); // Global scope
var typesymbolVisitor = new TypeCheckSymbolTableVisitor(symbolTable);
typesymbolVisitor.Visit(ast);
// Code generation
symbolTable.OnlyGlobalScope();
CodeGeneration codeGen = new CodeGeneration(symbolTable);
codeGen.Visit(ast);
codeGen.WriteToFile(targetFileName);
SymbolTable.Clear();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}