Example #1
0
        public override void visit(while_node wn)
        {
            var b = HasStatementVisitor <yield_node> .Has(wn);

            if (!b)
            {
                return;
            }

            var gotoBreak    = goto_statement.New;
            var gotoContinue = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);

            wn.statements.visit(replaceBreakContinueVis);

            ProcessNode(wn.statements);

            statement if0;

            //if (wn.expr is ident && (wn.expr as ident).name.ToLower() == "true")
            //    if0 = gotoBreak;
            //else
            if0 = new if_node(un_expr.Not(wn.expr), gotoBreak);
            var lb2 = new labeled_statement(gotoContinue.label, if0); // continue
            var lb1 = new labeled_statement(gotoBreak.label);         // break

            ReplaceStatement(wn, SeqStatements(lb2, wn.statements, gotoContinue, lb1));

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoBreak.label, gotoContinue.label));
        }
Example #2
0
        public override void visit(repeat_node rn)
        {
            var b = HasStatementVisitor <yield_node> .Has(rn);

            if (!b)
            {
                return;
            }

            var gotoContinue = goto_statement.New;
            var gotoBreak    = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);

            rn.statements.visit(replaceBreakContinueVis);

            ProcessNode(rn.statements);

            var gotoContinueIfNotCondition = new if_node(un_expr.Not(rn.expr), gotoContinue);
            var continueLabeledStatement   = new labeled_statement(gotoContinue.label, new statement_list(rn.statements, gotoContinueIfNotCondition));

            var breakLabeledStatement = new labeled_statement(gotoBreak.label);


            ReplaceStatement(rn, SeqStatements(gotoContinue, continueLabeledStatement, breakLabeledStatement));

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoContinue.label, gotoBreak.label));
        }
Example #3
0
        public override void visit(for_node fn)
        {
            var b = HasStatementVisitor <yield_node> .Has(fn);

            if (!b)
            {
                return;
            }

            var gotoContinue = goto_statement.New;
            var gotoBreak    = goto_statement.New;
            var gotoStart    = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);

            fn.statements.visit(replaceBreakContinueVis);

            ProcessNode(fn.statements);

            var newNames = this.NewVarNames(fn.loop_variable);

            var newLoopVar = fn.create_loop_variable ? new ident(newNames.VarName) : fn.loop_variable;

            // Нужно заменить fn.loop_variable -> newLoopVar в теле цикла
            var replacerVis = new ReplaceVariableNameVisitor(fn.loop_variable, newLoopVar);

            fn.visit(replacerVis);

            fn.loop_variable = newLoopVar;

            var endtemp = new ident(newNames.VarEndName); //new ident(newVarName());

            //var ass1 = new var_statement(fn.loop_variable, fn.type_name, fn.initial_value);
            //var ass1 = new var_statement(fn.loop_variable, fn.type_name, fn.initial_value);
            //var ass2 = new var_statement(endtemp, fn.type_name, fn.finish_value);

            // frninja 05/06/16 - фиксим для !fn.create_variable
            var ass1 = fn.create_loop_variable
                ? new var_statement(fn.loop_variable, fn.type_name, fn.initial_value) as statement
                : new assign(fn.loop_variable, fn.initial_value) as statement;


            var if0 = new if_node((fn.cycle_type == for_cycle_type.to) ?
                                  bin_expr.Greater(fn.loop_variable, fn.finish_value) :
                                  bin_expr.Less(fn.loop_variable, fn.finish_value), gotoBreak);

            var lb2 = new labeled_statement(gotoStart.label, if0);
            var lb1 = new labeled_statement(gotoBreak.label);
            var Inc = new procedure_call(new method_call((fn.cycle_type == for_cycle_type.to) ?
                                                         new ident("Inc") :
                                                         new ident("Dec"), new expression_list(fn.loop_variable)));

            var lbInc = new labeled_statement(gotoContinue.label, Inc);

            ReplaceStatement(fn, SeqStatements(ass1, lb2, fn.statements, lbInc, gotoStart, lb1));

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoContinue.label, gotoBreak.label, gotoStart.label));
        }
Example #4
0
        public override void visit(for_node fn)
        {
            var b = HasStatementVisitor<yield_node>.Has(fn);
            if (!b)
                return;

            var gotoContinue = goto_statement.New;
            var gotoBreak = goto_statement.New;
            var gotoStart = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);
            fn.statements.visit(replaceBreakContinueVis);

            ProcessNode(fn.statements);

            var newNames = this.NewVarNames(fn.loop_variable);

            var newLoopVar = fn.create_loop_variable ? new ident(newNames.VarName) : fn.loop_variable;

            // Нужно заменить fn.loop_variable -> newLoopVar в теле цикла
            var replacerVis = new ReplaceVariableNameVisitor(fn.loop_variable, newLoopVar);
            fn.visit(replacerVis);

            fn.loop_variable = newLoopVar;

            var endtemp = new ident(newNames.VarEndName); //new ident(newVarName());

            //var ass1 = new var_statement(fn.loop_variable, fn.type_name, fn.initial_value);
            //var ass1 = new var_statement(fn.loop_variable, fn.type_name, fn.initial_value);
            //var ass2 = new var_statement(endtemp, fn.type_name, fn.finish_value);

            // frninja 05/06/16 - фиксим для !fn.create_variable
            var ass1 = fn.create_loop_variable
                ? new var_statement(fn.loop_variable, fn.type_name, fn.initial_value) as statement
                : new assign(fn.loop_variable, fn.initial_value) as statement;


            var if0 = new if_node((fn.cycle_type == for_cycle_type.to) ?
                bin_expr.Greater(fn.loop_variable, fn.finish_value) :
                bin_expr.Less(fn.loop_variable, fn.finish_value), gotoBreak);

            var lb2 = new labeled_statement(gotoStart.label, if0);
            var lb1 = new labeled_statement(gotoBreak.label);
            var Inc = new procedure_call(new method_call((fn.cycle_type == for_cycle_type.to) ?
                new ident("Inc") :
                new ident("Dec"), new expression_list(fn.loop_variable)));

            var lbInc = new labeled_statement(gotoContinue.label, Inc);

            ReplaceStatement(fn, SeqStatements(ass1, lb2, fn.statements, lbInc, gotoStart, lb1));

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoContinue.label, gotoBreak.label, gotoStart.label));
        }
Example #5
0
        public override void visit(while_node wn)
        {
            var b = HasStatementVisitor<yield_node>.Has(wn);
            if (!b)
                return;

            var gotoBreak = goto_statement.New;
            var gotoContinue = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);
            wn.statements.visit(replaceBreakContinueVis);

            ProcessNode(wn.statements);

            statement if0;
            //if (wn.expr is ident && (wn.expr as ident).name.ToLower() == "true")
            //    if0 = gotoBreak;
            //else
                if0 = new if_node(un_expr.Not(wn.expr), gotoBreak);
            var lb2 = new labeled_statement(gotoContinue.label, if0); // continue
            var lb1 = new labeled_statement(gotoBreak.label); // break

            ReplaceStatement(wn, SeqStatements(lb2, wn.statements, gotoContinue, lb1));

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoBreak.label, gotoContinue.label));
        }
Example #6
0
        public override void visit(repeat_node rn)
        {
            var b = HasStatementVisitor<yield_node>.Has(rn);
            if (!b)
                return;

            var gotoContinue = goto_statement.New;
            var gotoBreak = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);
            rn.statements.visit(replaceBreakContinueVis);

            ProcessNode(rn.statements);

            var gotoContinueIfNotCondition = new if_node(un_expr.Not(rn.expr), gotoContinue);
            var continueLabeledStatement = new labeled_statement(gotoContinue.label, new statement_list(rn.statements, gotoContinueIfNotCondition));

            var breakLabeledStatement = new labeled_statement(gotoBreak.label);


            ReplaceStatement(rn, SeqStatements(gotoContinue, continueLabeledStatement, breakLabeledStatement));

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoContinue.label, gotoBreak.label));

        }
Example #7
0
        public override void visit(for_node fn)
        {
            var b = HasStatementVisitor <yield_node> .Has(fn);

            if (!b)
            {
                return;
            }

            var gotoContinue = goto_statement.New;
            var gotoBreak    = goto_statement.New;
            var gotoStart    = goto_statement.New;

            ReplaceBreakContinueWithGotoLabelVisitor replaceBreakContinueVis = new ReplaceBreakContinueWithGotoLabelVisitor(gotoContinue, gotoBreak);

            fn.statements.visit(replaceBreakContinueVis);

            ProcessNode(fn.statements);

            var newNames = this.NewVarNames(fn.loop_variable);

            var newLoopVar = fn.create_loop_variable ? new ident(newNames.VarName) : fn.loop_variable;

            // Нужно заменить fn.loop_variable -> newLoopVar в теле цикла
            var replacerVis = new ReplaceVariableNameVisitor(fn.loop_variable, newLoopVar);

            fn.visit(replacerVis);

            fn.loop_variable = newLoopVar;

            var endtemp = new ident(newNames.VarEndName); //new ident(newVarName());

            //var ass1 = new var_statement(fn.loop_variable, fn.type_name, fn.initial_value);
            //var ass1 = new var_statement(fn.loop_variable, fn.type_name, fn.initial_value);
            //var ass2 = new var_statement(endtemp, fn.type_name, fn.finish_value);

            // Исправления в связи с #1254 (новый алгоритм)
            // цикл for i:=a to b do
            //          i := a
            //          if i > b then goto break
            //Start:    stmts
            //          if i >= b then goto break
            //Continue: Inc(i)
            //          goto Start
            //Break:

            // цикл for i:=a downto b do
            //          i := a
            //          if i < b then goto break
            //Start:    stmts
            //          if i <= b then goto break
            //Continue: Dec(i)
            //          goto Start
            //Break:

            // frninja 05/06/16 - фиксим для !fn.create_variable
            var ass1 = fn.create_loop_variable
                ? new var_statement(fn.loop_variable, fn.type_name, fn.initial_value) as statement
                : new assign(fn.loop_variable, fn.initial_value) as statement;

            var if0 = new if_node((fn.cycle_type == for_cycle_type.to) ?
                                  bin_expr.Greater(fn.loop_variable, fn.finish_value) :
                                  bin_expr.Less(fn.loop_variable, fn.finish_value), gotoBreak);

            var if1 = new if_node((fn.cycle_type == for_cycle_type.to) ?
                                  bin_expr.GreaterEqual(fn.loop_variable, fn.finish_value) :
                                  bin_expr.LessEqual(fn.loop_variable, fn.finish_value), gotoBreak);

            var lb1 = new labeled_statement(gotoStart.label);
            var lb2 = new labeled_statement(gotoBreak.label); // пустой оператор
            var Inc = new procedure_call(new method_call((fn.cycle_type == for_cycle_type.to) ?
                                                         new ident("Inc") :
                                                         new ident("Dec"), new expression_list(fn.loop_variable)));

            var lbInc = new labeled_statement(gotoContinue.label, Inc);

            ReplaceStatement(fn, SeqStatements(ass1, if0, lb1, fn.statements, if1, lbInc, gotoStart, lb2));

            /*var if0 = new if_node((fn.cycle_type == for_cycle_type.to) ?
             *  bin_expr.Greater(fn.loop_variable, fn.finish_value) :
             *  bin_expr.Less(fn.loop_variable, fn.finish_value), gotoBreak);
             *
             * var lb2 = new labeled_statement(gotoStart.label, if0);
             * var lb1 = new labeled_statement(gotoBreak.label); // пустой оператор
             * var Inc = new procedure_call(new method_call((fn.cycle_type == for_cycle_type.to) ?
             *  new ident("Inc") :
             *  new ident("Dec"), new expression_list(fn.loop_variable)));
             *
             * var lbInc = new labeled_statement(gotoContinue.label, Inc);
             *
             * ReplaceStatement(fn, SeqStatements(ass1, lb2, fn.statements, lbInc, gotoStart, lb1));*/

            // в declarations ближайшего блока добавить описание labels
            block bl = listNodes.FindLast(x => x is block) as block;

            bl.defs.Add(new label_definitions(gotoContinue.label, gotoBreak.label, gotoStart.label));
        }