Package org.python.pydev.parser.jython.ast

Examples of org.python.pydev.parser.jython.ast.Suite


        exprType[] exprs;
        suiteType orelseSuite;
        stmtType[] body;
        exprType iter;
        exprType target;
        Suite suite;

        int l;
        switch (n.getId()) {
            case JJTEXPR_STMT:
                value = (exprType) stack.popNode();
                if (arity > 1) {
                    exprs = makeExprs(arity - 1);
                    ctx.setStore(exprs);
                    return new Assign(exprs, value);
                } else {
                    return new Expr(value);
                }
            case JJTINDEX_OP:
                sliceType slice = (sliceType) stack.popNode();
                value = (exprType) stack.popNode();
                return new Subscript(value, slice, Subscript.Load);

            case JJTPRINT_STMT:
                boolean nl = true;
                if (stack.nodeArity() == 0) {
                    Print p = new Print(null, null, true);
                    return p;
                }

                if (stack.peekNode().getId() == JJTCOMMA) {
                    stack.popNode();
                    nl = false;
                }
                Print p = new Print(null, makeExprs(), nl);
                return p;
            case JJTPRINTEXT_STMT:
                nl = true;
                if (stack.peekNode().getId() == JJTCOMMA) {
                    stack.popNode();
                    nl = false;
                }
                exprs = makeExprs(stack.nodeArity() - 1);
                p = new Print(((exprType) stack.popNode()), exprs, nl);
                return p;
            case JJTBEGIN_FOR_ELSE_STMT:
                return new Suite(null);
            case JJTBEGIN_ELSE_STMT:
                return new Suite(null);
            case JJTBEGIN_WHILE_STMT:
                return new While(null, null, null);
            case JJTWHILE_STMT:
                orelseSuite = null;
                if (stack.nodeArity() == 5) {
                    orelseSuite = popSuiteAndSuiteType();
                }

                body = popSuite();
                exprType test = (exprType) stack.popNode();
                While w = (While) stack.popNode();
                w.test = test;
                w.body = body;
                w.orelse = orelseSuite;
                return w;
            case JJTDECORATED:
                if (stack.nodeArity() != 2) {
                    throw new RuntimeException("Expected 2 nodes at this context, found: " + arity);
                }
                SimpleNode def = stack.popNode();
                Decorators decorators = (Decorators) stack.popNode();
                if (def instanceof ClassDef) {
                    ClassDef classDef = (ClassDef) def;
                    classDef.decs = decorators.exp;
                } else {
                    FunctionDef fDef = (FunctionDef) def;
                    fDef.decs = decorators.exp;
                }
                return def;
            case JJTCALL_OP:
                exprType starargs = null;
                exprType kwargs = null;

                java.util.List<exprType> args = new ArrayList<exprType>();
                java.util.List<keywordType> keywords = new ArrayList<keywordType>();

                for (int i = arity - 2; i >= 0; i--) {
                    SimpleNode node = stack.popNode();
                    if (node instanceof keywordType) {
                        keywords.add(0, (keywordType) node);

                    } else if (node.getId() == JJTEXTRAARGVALUELIST) {
                        ExtraArgValue nstarargs = (ExtraArgValue) node;
                        starargs = nstarargs.value;
                        this.addSpecialsAndClearOriginal(nstarargs, starargs);

                    } else if (node.getId() == JJTEXTRAKEYWORDVALUELIST) {
                        ExtraArgValue nkwargs = (ExtraArgValue) node;
                        kwargs = nkwargs.value;
                        this.addSpecialsAndClearOriginal(nkwargs, kwargs);

                    } else if (node instanceof ComprehensionCollection) {
                        //what can happen is something like print sum(x for x in y), where we have already passed x in the args, and then get 'for x in y'
                        args.add(
                                0,
                                new ListComp((exprType) stack.popNode(), ((ComprehensionCollection) node)
                                        .getGenerators(), ListComp.EmptyCtx));
                        i--; //popped node

                    } else {
                        args.add(0, (exprType) node);
                    }
                }

                exprType func = (exprType) stack.popNode();
                Call c = new Call(func, args.toArray(new exprType[args.size()]),
                        keywords.toArray(new keywordType[keywords.size()]), starargs, kwargs);
                addSpecialsAndClearOriginal(n, c);
                return c;
            case JJTFUNCDEF:
                suite = (Suite) stack.popNode();
                body = suite.body;

                argumentsType arguments = makeArguments(stack.nodeArity() - 1);
                NameTok nameTok = makeName(NameTok.FunctionName);
                //decorator is always null at this point... it's decorated later on
                FunctionDef funcDef = new FunctionDef(nameTok, arguments, body, null, null);
                addSpecialsAndClearOriginal(suite, funcDef);
                setParentForFuncOrClass(body, funcDef);
                return funcDef;
            case JJTDEFAULTARG:
                value = (arity == 1) ? null : ((exprType) stack.popNode());
                return new DefaultArg(((exprType) stack.popNode()), value, n.getId());
            case JJTEXTRAARGLIST:
                return new ExtraArg(makeName(NameTok.VarArg), JJTEXTRAARGLIST);
            case JJTEXTRAKEYWORDLIST:
                return new ExtraArg(makeName(NameTok.KwArg), JJTEXTRAKEYWORDLIST);
            case JJTCLASSDEF:
                suite = (Suite) stack.popNode();
                body = suite.body;
                exprType[] bases = makeExprs(stack.nodeArity() - 1);
                nameTok = makeName(NameTok.ClassName);
                ClassDef classDef = new ClassDef(nameTok, bases, body, null, null, null, null);
                addSpecialsAndClearOriginal(suite, classDef);
                setParentForFuncOrClass(body, classDef);
                return classDef;
            case JJTBEGIN_RETURN_STMT:
                return new Return(null);
            case JJTRETURN_STMT:
                value = arity == 2 ? ((exprType) stack.popNode()) : null;
                Return ret = (Return) stack.popNode();
                ret.value = value;
                return ret;
            case JJTYIELD_STMT:
                return stack.popNode();
            case JJTYIELD_EXPR:
                exprType yieldExpr = null;
                if (arity > 0) {
                    //we may have an empty yield, so, we have to check it before
                    yieldExpr = (exprType) stack.popNode();
                }
                return new Yield(yieldExpr, false);
            case JJTRAISE_STMT:
                exprType tback = arity >= 3 ? ((exprType) stack.popNode()) : null;
                exprType inst = arity >= 2 ? ((exprType) stack.popNode()) : null;
                exprType type = arity >= 1 ? ((exprType) stack.popNode()) : null;
                return new Raise(type, inst, tback, null);
            case JJTGLOBAL_STMT:
                Global global = new Global(makeIdentifiers(NameTok.GlobalName), null);
                return global;
            case JJTASSERT_STMT:
                exprType msg = arity == 2 ? ((exprType) stack.popNode()) : null;
                test = (exprType) stack.popNode();
                return new Assert(test, msg);
            case JJTBEGIN_TRY_STMT:
                //we do that just to get the specials
                return new TryExcept(null, null, null);
            case JJTTRYELSE_STMT:
                orelseSuite = popSuiteAndSuiteType();
                return orelseSuite;
            case JJTTRYFINALLY_OUTER_STMT:
                orelseSuite = popSuiteAndSuiteType();
                return new TryFinally(null, orelseSuite); //it does not have a body at this time... it will be filled with the inner try..except
            case JJTTRY_STMT:
                TryFinally outer = null;
                if (stack.peekNode() instanceof TryFinally) {
                    outer = (TryFinally) stack.popNode();
                    arity--;
                }
                orelseSuite = null;
                if (stack.peekNode() instanceof suiteType) {
                    orelseSuite = (suiteType) stack.popNode();
                    arity--;
                }

                l = arity;
                excepthandlerType[] handlers = new excepthandlerType[l];
                for (int i = l - 1; i >= 0; i--) {
                    handlers[i] = (excepthandlerType) stack.popNode();
                }
                suite = (Suite) stack.popNode();
                TryExcept tryExc = (TryExcept) stack.popNode();
                if (outer != null) {
                    outer.beginLine = tryExc.beginLine;
                }
                tryExc.body = suite.body;
                tryExc.handlers = handlers;
                tryExc.orelse = orelseSuite;
                addSpecials(suite, tryExc);
                if (outer == null) {
                    return tryExc;
                } else {
                    if (outer.body != null) {
                        throw new RuntimeException("Error. Expecting null body to be filled on try..except..finally");
                    }
                    outer.body = new stmtType[] { tryExc };
                    return outer;
                }
            case JJTBEGIN_TRY_ELSE_STMT:
                //we do that just to get the specials
                return new Suite(null);
            case JJTBEGIN_EXCEPT_CLAUSE:
                return new excepthandlerType(null, null, null);
            case JJTEXCEPT_CLAUSE:
                suite = (Suite) stack.popNode();
                body = suite.body;
                exprType excname = arity == 4 ? ((exprType) stack.popNode()) : null;
                if (excname != null) {
                    ctx.setStore(excname);
                }
                type = arity >= 3 ? ((exprType) stack.popNode()) : null;
                excepthandlerType handler = (excepthandlerType) stack.popNode();
                handler.type = type;
                handler.name = excname;
                handler.body = body;
                addSpecials(suite, handler);
                return handler;
            case JJTBEGIN_FINALLY_STMT:
                //we do that just to get the specials
                return new Suite(null);
            case JJTTRYFINALLY_STMT:
                suiteType finalBody = popSuiteAndSuiteType();
                body = popSuite();
                //We have a try..except in the stack, but we will change it for a try..finally
                //This is because we recognize a try..except in the 'try:' token, but actually end up with a try..finally
                TryExcept tryExcept = (TryExcept) stack.popNode();
                TryFinally tryFinally = new TryFinally(body, finalBody);
                tryFinally.beginLine = tryExcept.beginLine;
                tryFinally.beginColumn = tryExcept.beginColumn;
                addSpecialsAndClearOriginal(tryExcept, tryFinally);
                return tryFinally;

            case JJTWITH_STMT:
                suite = (Suite) stack.popNode();
                arity--;

                exprType asOrExpr = (exprType) stack.popNode();
                arity--;

                exprType expr = null;
                if (arity > 0) {
                    expr = (exprType) stack.popNode();
                    arity--;
                } else {
                    expr = asOrExpr;
                    asOrExpr = null;
                }

                suiteType s = new Suite(suite.body);
                addSpecialsAndClearOriginal(suite, s);

                return new With(new WithItem[] { new WithItem(expr, asOrExpr) }, s);
            case JJTWITH_VAR:
                expr = (exprType) stack.popNode(); //expr
View Full Code Here


    }

    public final SimpleNode onCloseNode(SimpleNode n, int arity) throws Exception {
        exprType value;
        exprType[] exprs;
        Suite orelseSuite;
        stmtType[] body;
        exprType iter;
        exprType target;

        int l;
        switch (n.getId()) {
            case JJTEXPR_STMT:
                value = (exprType) stack.popNode();
                if (arity > 1) {
                    exprs = makeExprs(arity - 1);
                    ctx.setStore(exprs);
                    return new Assign(exprs, value);
                } else {
                    return new Expr(value);
                }
            case JJTINDEX_OP:
                sliceType slice = (sliceType) stack.popNode();
                value = (exprType) stack.popNode();
                return new Subscript(value, slice, Subscript.Load);

            case JJTPRINT_STMT:
                boolean nl = true;
                if (stack.nodeArity() == 0) {
                    Print p = new Print(null, null, true);
                    return p;
                }

                if (stack.peekNode().getId() == JJTCOMMA) {
                    stack.popNode();
                    nl = false;
                }
                Print p = new Print(null, makeExprs(), nl);
                return p;
            case JJTPRINTEXT_STMT:
                nl = true;
                if (stack.peekNode().getId() == JJTCOMMA) {
                    stack.popNode();
                    nl = false;
                }
                exprs = makeExprs(stack.nodeArity() - 1);
                p = new Print(((exprType) stack.popNode()), exprs, nl);
                return p;
            case JJTBEGIN_FOR_ELSE_STMT:
                return new Suite(null);
            case JJTBEGIN_ELSE_STMT:
                return new Suite(null);
            case JJTBEGIN_WHILE_STMT:
                return new While(null, null, null);
            case JJTWHILE_STMT:
                orelseSuite = null;
                if (stack.nodeArity() == 5) {
                    orelseSuite = popSuiteAndSuiteType();
                }

                body = popSuite();
                exprType test = (exprType) stack.popNode();
                While w = (While) stack.popNode();
                w.test = test;
                w.body = body;
                w.orelse = orelseSuite;
                return w;
            case JJTCALL_OP:
                exprType starargs = null;
                exprType kwargs = null;

                l = arity - 1;
                if (l > 0 && stack.peekNode().getId() == JJTEXTRAKEYWORDVALUELIST) {
                    ExtraArgValue nkwargs = (ExtraArgValue) stack.popNode();
                    kwargs = nkwargs.value;
                    this.addSpecialsAndClearOriginal(nkwargs, kwargs);
                    l--;
                }
                if (l > 0 && stack.peekNode().getId() == JJTEXTRAARGVALUELIST) {
                    ExtraArgValue nstarargs = (ExtraArgValue) stack.popNode();
                    starargs = nstarargs.value;
                    this.addSpecialsAndClearOriginal(nstarargs, starargs);
                    l--;
                }

                int nargs = l;

                SimpleNode[] tmparr = new SimpleNode[l];
                for (int i = l - 1; i >= 0; i--) {
                    tmparr[i] = stack.popNode();
                    if (tmparr[i] instanceof keywordType) {
                        nargs = i;
                    }
                }

                exprType[] args = new exprType[nargs];
                for (int i = 0; i < nargs; i++) {
                    //what can happen is something like print sum(x for x in y), where we have already passed x in the args, and then get 'for x in y'
                    if (tmparr[i] instanceof comprehensionType) {
                        args = new exprType[] { new ListComp(args[0],
                                new comprehensionType[] { (comprehensionType) tmparr[i] }, ListComp.EmptyCtx) };
                    } else {
                        args[i] = (exprType) tmparr[i];
                    }
                }

                keywordType[] keywords = new keywordType[l - nargs];
                for (int i = nargs; i < l; i++) {
                    if (!(tmparr[i] instanceof keywordType))
                        throw new ParseException("non-keyword argument following keyword", tmparr[i]);
                    keywords[i - nargs] = (keywordType) tmparr[i];
                }
                exprType func = (exprType) stack.popNode();
                Call c = new Call(func, args, keywords, starargs, kwargs);
                addSpecialsAndClearOriginal(n, c);
                return c;
            case JJTFUNCDEF:
                //get the decorators
                //and clear them for the next call (they always must be before a function def)
                Suite suite = (Suite) stack.popNode();
                body = suite.body;

                argumentsType arguments = makeArguments(stack.nodeArity() - 2);
                NameTok nameTok = makeName(NameTok.FunctionName);
                Decorators decs = (Decorators) stack.popNode();
                decoratorsType[] decsexp = decs.exp;
                FunctionDef funcDef = new FunctionDef(nameTok, arguments, body, decsexp, null);
                if (decs.exp.length == 0) {
                    addSpecialsBefore(decs, funcDef);
                }
                addSpecialsAndClearOriginal(suite, funcDef);
                setParentForFuncOrClass(body, funcDef);
                return funcDef;
            case JJTDEFAULTARG:
                value = (arity == 1) ? null : ((exprType) stack.popNode());
                return new DefaultArg(((exprType) stack.popNode()), value, n.getId());
            case JJTEXTRAARGLIST:
                return new ExtraArg(makeName(NameTok.VarArg), JJTEXTRAARGLIST);
            case JJTEXTRAKEYWORDLIST:
                return new ExtraArg(makeName(NameTok.KwArg), JJTEXTRAKEYWORDLIST);
                /*
                        case JJTFPLIST:
                            fpdefType[] list = new fpdefType[arity];
                            for (int i = arity-1; i >= 0; i--) {
                                list[i] = popFpdef();
                            }
                            return new FpList(list);
                */
            case JJTCLASSDEF:
                suite = (Suite) stack.popNode();
                body = suite.body;
                exprType[] bases = makeExprs(stack.nodeArity() - 1);
                nameTok = makeName(NameTok.ClassName);
                ClassDef classDef = new ClassDef(nameTok, bases, body, null, null, null, null);
                addSpecialsAndClearOriginal(suite, classDef);
                setParentForFuncOrClass(body, classDef);
                return classDef;
            case JJTBEGIN_RETURN_STMT:
                return new Return(null);
            case JJTRETURN_STMT:
                value = arity == 2 ? ((exprType) stack.popNode()) : null;
                Return ret = (Return) stack.popNode();
                ret.value = value;
                return ret;
            case JJTYIELD_STMT:
                return new Yield(((exprType) stack.popNode()), false);
            case JJTRAISE_STMT:
                exprType tback = arity >= 3 ? ((exprType) stack.popNode()) : null;
                exprType inst = arity >= 2 ? ((exprType) stack.popNode()) : null;
                exprType type = arity >= 1 ? ((exprType) stack.popNode()) : null;
                return new Raise(type, inst, tback, null);
            case JJTGLOBAL_STMT:
                Global global = new Global(makeIdentifiers(NameTok.GlobalName), null);
                return global;
            case JJTASSERT_STMT:
                exprType msg = arity == 2 ? ((exprType) stack.popNode()) : null;
                test = (exprType) stack.popNode();
                return new Assert(test, msg);
            case JJTBEGIN_TRY_STMT:
                //we do that just to get the specials
                return new TryExcept(null, null, null);
            case JJTTRY_STMT:
                orelseSuite = null;
                if (stack.peekNode() instanceof Suite) {
                    arity--;
                    arity--;

                    orelseSuite = popSuiteAndSuiteType();
                }
                l = arity - 1;
                excepthandlerType[] handlers = new excepthandlerType[l];
                for (int i = l - 1; i >= 0; i--) {
                    handlers[i] = (excepthandlerType) stack.popNode();
                }
                suite = (Suite) stack.popNode();
                TryExcept tryExc = (TryExcept) stack.popNode();
                tryExc.body = suite.body;
                tryExc.handlers = handlers;
                tryExc.orelse = orelseSuite;
                addSpecials(suite, tryExc);
                return tryExc;
            case JJTBEGIN_TRY_ELSE_STMT:
                //we do that just to get the specials
                return new Suite(null);
            case JJTBEGIN_EXCEPT_CLAUSE:
                return new excepthandlerType(null, null, null);
            case JJTEXCEPT_CLAUSE:
                suite = (Suite) stack.popNode();
                body = suite.body;
                exprType excname = arity == 4 ? ((exprType) stack.popNode()) : null;
                if (excname != null) {
                    ctx.setStore(excname);
                }
                type = arity >= 3 ? ((exprType) stack.popNode()) : null;
                excepthandlerType handler = (excepthandlerType) stack.popNode();
                handler.type = type;
                handler.name = excname;
                handler.body = body;
                addSpecials(suite, handler);
                return handler;
            case JJTBEGIN_FINALLY_STMT:
                //we do that just to get the specials
                return new Suite(null);
            case JJTTRYFINALLY_STMT:
                suiteType finalBody = popSuiteAndSuiteType();
                body = popSuite();
                //We have a try..except in the stack, but we will change it for a try..finally
                //This is because we recognize a try..except in the 'try:' token, but actually end up with a try..finally
View Full Code Here

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