static void Main(string[] args)
{
var expression = GetExpression();
while (!string.IsNullOrEmpty(expression))
{
var input = new AntlrInputStream(expression);
var lexer = new MathExprLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new MathExprParser(tokens);
var visitor = new MathExprVisitor();
var result = visitor.Visit(parser.expr());
result.Dump();
ExpressionProcessor.ApplyAlgebraRules(result);
result.Dump();
expression = GetExpression();
}
Console.Read();
}
public static AstNode Check(string src, Context context)
{
ICharStream input = new ANTLRStringStream(src);
MathExprLexer lexer = new MathExprLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
MathExprParser parser = new MathExprParser(tokens);
parser.TreeAdaptor = new AstNodeTreeAdapter();
AstNode program = (AstNode)parser.execute().Tree;
SemanticChecker.Check((AstNode)program, context);
return(program);
}
public List <MathFunc> Convert(string input)
{
_parameters = new Dictionary <string, ConstNode>();
_matchFuncs = new List <MathFunc>();
var inputStream = new AntlrInputStream(input);
var lexer = new MathExprLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new MathExprParser(tokenStream);
StatementsContext statements = parser.statements();
Visit(statements);
return(MatchFuncs);
}
public static void Main(string[] args)
{
try {
// в зависимости от наличия параметров командной строки разбираем
// либо файл с именем, переданным первым параметром, либо стандартный ввод
Context context = new Context(null);
string src = @"
void printInt(int a) { }
void printDouble(double a) { }
double sqrt(double a) { }
double sqr(double a) { }
int readInt() { }
double readDouble() { }
";
//Check(src, context);
src = args.Length == 1 ? new StreamReader(args[0]).ReadToEnd()
: Console.In.ReadToEnd();
ICharStream input = new ANTLRStringStream(src);
MathExprLexer lexer = new MathExprLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
MathExprParser parser = new MathExprParser(tokens);
parser.TreeAdaptor = new AstNodeTreeAdapter();
ITree program = (ITree)parser.execute().Tree;
AstNodePrinter.Print(program);
Console.WriteLine();
SemanticChecker.Check((AstNode)program, context);
AstNodePrinter.Print(program);
//Console.ReadLine();
AstNodePrinter.Print(program);
Console.WriteLine();
string msil = MSILGenerator.GenerateMSIL(program, context);
Console.WriteLine(msil);
Console.WriteLine();
Console.ReadLine();
}
catch (Exception e) {
Console.WriteLine("Error: {0}", e);
Console.ReadLine();
}
}
static Helper()
{
Parser = new MathExprParser();
}
public void Init()
{
Parser = new MathExprParser();
}
static Helper()
{
Parser = new MathExprParser();
}