Exemple #1
0
 /*primary-expression:
  | "new" instance-expression primary-expression-p
  | literal primary-expression-p
  | identifier primary-expression-p
  | '(' expression ')' primary-expression-p
  | "this" primary-expression-p
  | "base" primary-expression-p
  | "null"
  | type primary-expression-p*/
 private InlineExpressionNode primary_expression()
 {
     printIfDebug("primary_expression");
     if (pass(TokenType.RW_NEW))
     {
         var NewToken = token;
         consumeToken();
         var instance = instance_expression();
         var inline   = new InlineExpressionNode(instance, NewToken);
         primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(literalOptions))
     {
         var literalToken = token;
         consumeToken();
         PrimaryExpressionNode literal = null;
         if (literalToken.type == TokenType.LIT_INT)
         {
             literal = new LiteralIntNode(literalToken.lexeme, literalToken);
         }
         else if (literalToken.type == TokenType.LIT_FLOAT)
         {
             literal = new LiteralFloatNode(literalToken.lexeme, literalToken);
         }
         else if (literalToken.type == TokenType.LIT_BOOL)
         {
             literal = new LiteralBoolNode(literalToken.lexeme, literalToken);
         }
         else if (literalToken.type == TokenType.LIT_CHAR)
         {
             literal = new LiteralCharNode(literalToken.lexeme, literalToken);
         }
         else if (literalToken.type == TokenType.LIT_STRING)
         {
             literal = new LiteralStringNode(literalToken.lexeme, literalToken);
         }
         var inline = new InlineExpressionNode(literal, literalToken);
         primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(TokenType.ID))
     {
         var identifier = new IdNode(token.lexeme, token);
         consumeToken();
         var inline = new InlineExpressionNode(identifier, identifier.token);
         primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(TokenType.PUNT_PAREN_OPEN))
     {
         var parentizedToken = token;
         consumeToken();
         var exp = expression();
         if (!pass(TokenType.PUNT_PAREN_CLOSE))
         {
             throwError(") expected");
         }
         consumeToken();
         var groupedExp = new GroupedExpressionNode(exp, exp.token);
         var inline     = new InlineExpressionNode(groupedExp, parentizedToken);
         primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(TokenType.RW_THIS))
     {
         var thisToken = token;
         consumeToken();
         var thisExp = new ThisReferenceAccsessNode(thisToken);
         var inline  = new InlineExpressionNode(thisExp, thisToken);
         primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(TokenType.RW_BASE))
     {
         var baseToken = token;
         consumeToken();
         var baseExp = new BaseReferenceAccessNode(baseToken);
         var inline  = new InlineExpressionNode(baseExp, baseToken);
         primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(TokenType.RW_NULL))
     {
         var nullToken = token;
         consumeToken();
         var nullExp = new NullExpressionNode(nullToken);
         var inline  = new InlineExpressionNode(nullExp, nullToken);
         // primary_expression_p(ref inline);
         return(inline);
     }
     else if (pass(typesOptions))
     {
         var type   = types();
         var inline = new InlineExpressionNode(new IdNode(type.ToString(), type.token), type.token);
         primary_expression_p(ref inline);
         return(inline);
     }
     else
     {
         throwError("new, literal, identifier, '(' or \"this\" expected");
     }
     return(null);
 }
Exemple #2
0
 public void PushLoop(PrimaryExpressionNode loop)
 {
     _loops.Push(loop);
 }