Examples with JCConditional com.sun.tools.javac.tree.JCTree.JCConditional used on opensource projects

Example 1 with JCConditional

use of com.sun.tools.javac.tree.JCTree.JCConditional in project lombok by rzwitserloot.

the class HandleWither method createWither.

public JCMethodDecl createWither(long access, JavacNode field, JavacTreeMaker maker, JavacNode source, List<JCAnnotation> onMethod, List<JCAnnotation> onParam, boolean makeAbstract) {
    String witherName = toWitherName(field);
    if (witherName == null)
        return null;
    JCVariableDecl fieldDecl = (JCVariableDecl) field.get();
    List<JCAnnotation> nonNulls = findAnnotations(field, NON_NULL_PATTERN);
    List<JCAnnotation> nullables = findAnnotations(field, NULLABLE_PATTERN);
    Name methodName = field.toName(witherName);
    JCExpression returnType = cloneSelfType(field);
    JCBlock methodBody = null;
    long flags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, field.getContext());
    List<JCAnnotation> annsOnParam = copyAnnotations(onParam).appendList(nonNulls).appendList(nullables);
    JCVariableDecl param = maker.VarDef(maker.Modifiers(flags, annsOnParam), fieldDecl.name, fieldDecl.vartype, null);
    if (!makeAbstract) {
        ListBuffer<JCStatement> statements = new ListBuffer<JCStatement>();
        JCExpression selfType = cloneSelfType(field);
        if (selfType == null)
            return null;
        ListBuffer<JCExpression> args = new ListBuffer<JCExpression>();
        for (JavacNode child : field.up().down()) {
            if (child.getKind() != Kind.FIELD)
                continue;
            JCVariableDecl childDecl = (JCVariableDecl) child.get();
            // Skip fields that start with $
            if (childDecl.name.toString().startsWith("$"))
                continue;
            long fieldFlags = childDecl.mods.flags;
            // Skip static fields.
            if ((fieldFlags & Flags.STATIC) != 0)
                continue;
            // Skip initialized final fields.
            if (((fieldFlags & Flags.FINAL) != 0) && childDecl.init != null)
                continue;
            if (child.get() == field.get()) {
                args.append(maker.Ident(fieldDecl.name));
            } else {
                args.append(createFieldAccessor(maker, child, FieldAccess.ALWAYS_FIELD));
            }
        }
        JCNewClass newClass = maker.NewClass(null, List.<JCExpression>nil(), selfType, args.toList(), null);
        JCExpression identityCheck = maker.Binary(CTC_EQUAL, createFieldAccessor(maker, field, FieldAccess.ALWAYS_FIELD), maker.Ident(fieldDecl.name));
        JCConditional conditional = maker.Conditional(identityCheck, maker.Ident(field.toName("this")), newClass);
        JCReturn returnStatement = maker.Return(conditional);
        if (nonNulls.isEmpty()) {
            statements.append(returnStatement);
        } else {
            JCStatement nullCheck = generateNullCheck(maker, field, source);
            if (nullCheck != null)
                statements.append(nullCheck);
            statements.append(returnStatement);
        }
        methodBody = maker.Block(0, statements.toList());
    }
    List<JCTypeParameter> methodGenericParams = List.nil();
    List<JCVariableDecl> parameters = List.of(param);
    List<JCExpression> throwsClauses = List.nil();
    JCExpression annotationMethodDefaultValue = null;
    List<JCAnnotation> annsOnMethod = copyAnnotations(onMethod);
    if (isFieldDeprecated(field)) {
        annsOnMethod = annsOnMethod.prepend(maker.Annotation(genJavaLangTypeRef(field, "Deprecated"), List.<JCExpression>nil()));
    }
    if (makeAbstract)
        access = access | Flags.ABSTRACT;
    JCMethodDecl decl = recursiveSetGeneratedBy(maker.MethodDef(maker.Modifiers(access, annsOnMethod), methodName, returnType, methodGenericParams, parameters, throwsClauses, methodBody, annotationMethodDefaultValue), source.get(), field.getContext());
    copyJavadoc(field, decl, CopyJavadoc.WITHER);
    return decl;
}

Example 2 with JCConditional

use of com.sun.tools.javac.tree.JCTree.JCConditional in project error-prone by google.

the class UUnary method inline.

@Override
public JCExpression inline(Inliner inliner) throws CouldNotResolveImportException {
    JCExpression expr = getExpression().inline(inliner);
    final TreeMaker maker = inliner.maker();
    if (getKind() == Kind.LOGICAL_COMPLEMENT) {
        return new TreeCopier<Void>(maker) {

            @SuppressWarnings("unchecked")
            // essentially depends on T being a superclass of JCExpression
            @Override
            public <T extends JCTree> T copy(T t, Void v) {
                if (t instanceof BinaryTree || t instanceof UnaryTree || t instanceof ConditionalExpressionTree) {
                    return super.copy(t, v);
                } else {
                    return (T) defaultNegation(t);
                }
            }

            public JCExpression defaultNegation(Tree expr) {
                return maker.Unary(JCTree.Tag.NOT, (JCExpression) expr);
            }

            @Override
            public JCExpression visitBinary(BinaryTree tree, Void v) {
                if (UBinary.DEMORGAN.containsKey(tree.getKind())) {
                    JCExpression negLeft = copy((JCExpression) tree.getLeftOperand());
                    JCExpression negRight = copy((JCExpression) tree.getRightOperand());
                    return maker.Binary(UBinary.OP_CODES.get(UBinary.DEMORGAN.get(tree.getKind())), negLeft, negRight);
                } else if (UBinary.NEGATION.containsKey(tree.getKind())) {
                    JCExpression left = (JCExpression) tree.getLeftOperand();
                    JCExpression right = (JCExpression) tree.getRightOperand();
                    return maker.Binary(UBinary.OP_CODES.get(UBinary.NEGATION.get(tree.getKind())), left, right);
                } else {
                    return defaultNegation(tree);
                }
            }

            @Override
            public JCExpression visitUnary(UnaryTree tree, Void v) {
                if (tree.getKind() == Kind.LOGICAL_COMPLEMENT) {
                    return (JCExpression) tree.getExpression();
                } else {
                    return defaultNegation(tree);
                }
            }

            @Override
            public JCConditional visitConditionalExpression(ConditionalExpressionTree tree, Void v) {
                return maker.Conditional((JCExpression) tree.getCondition(), copy((JCExpression) tree.getTrueExpression()), copy((JCExpression) tree.getFalseExpression()));
            }
        }.copy(expr);
    } else {
        return inliner.maker().Unary(UNARY_OP_CODES.get(getKind()), getExpression().inline(inliner));
    }
}

Example 3 with JCConditional

use of com.sun.tools.javac.tree.JCTree.JCConditional in project error-prone by google.

the class ExpressionTemplate method getPrecedence.

/**
   * Returns the precedence level appropriate for unambiguously printing
   * leaf as a subexpression of its parent.
   */
private static int getPrecedence(JCTree leaf, Context context) {
    JCCompilationUnit comp = context.get(JCCompilationUnit.class);
    JCTree parent = TreeInfo.pathFor(leaf, comp).get(1);
    if (parent instanceof JCConditional) {
        // This intentionally differs from Pretty, because Pretty appears buggy:
        // http://mail.openjdk.java.net/pipermail/compiler-dev/2013-September/007303.html
        JCConditional conditional = (JCConditional) parent;
        return TreeInfo.condPrec + ((conditional.cond == leaf) ? 1 : 0);
    } else if (parent instanceof JCAssign) {
        JCAssign assign = (JCAssign) parent;
        return TreeInfo.assignPrec + ((assign.lhs == leaf) ? 1 : 0);
    } else if (parent instanceof JCAssignOp) {
        JCAssignOp assignOp = (JCAssignOp) parent;
        return TreeInfo.assignopPrec + ((assignOp.lhs == leaf) ? 1 : 0);
    } else if (parent instanceof JCUnary) {
        return TreeInfo.opPrec(parent.getTag());
    } else if (parent instanceof JCBinary) {
        JCBinary binary = (JCBinary) parent;
        return TreeInfo.opPrec(parent.getTag()) + ((binary.rhs == leaf) ? 1 : 0);
    } else if (parent instanceof JCTypeCast) {
        JCTypeCast typeCast = (JCTypeCast) parent;
        return (typeCast.expr == leaf) ? TreeInfo.prefixPrec : TreeInfo.noPrec;
    } else if (parent instanceof JCInstanceOf) {
        JCInstanceOf instanceOf = (JCInstanceOf) parent;
        return TreeInfo.ordPrec + ((instanceOf.clazz == leaf) ? 1 : 0);
    } else if (parent instanceof JCArrayAccess) {
        JCArrayAccess arrayAccess = (JCArrayAccess) parent;
        return (arrayAccess.indexed == leaf) ? TreeInfo.postfixPrec : TreeInfo.noPrec;
    } else if (parent instanceof JCFieldAccess) {
        JCFieldAccess fieldAccess = (JCFieldAccess) parent;
        return (fieldAccess.selected == leaf) ? TreeInfo.postfixPrec : TreeInfo.noPrec;
    } else {
        return TreeInfo.noPrec;
    }
}

Example 4 with JCConditional

use of com.sun.tools.javac.tree.JCTree.JCConditional in project ceylon-compiler by ceylon.

the class JavaPositionsRetriever method getJavaSourceCodeWithCeylonPositions.

public String getJavaSourceCodeWithCeylonPositions() {
    final CharArrayWriter writer = new CharArrayWriter();
    Pretty printer = new Pretty(writer, true) {

        int previousCeylonPosition = -1;

        int previousPositionInString = 0;

        private void outputCeylonPosition(JCTree tree) {
            try {
                int currentCeylonPosition = tree.getPreferredPosition();
                int currentPositionInString = writer.size();
                if (previousCeylonPosition != currentCeylonPosition || previousPositionInString != currentPositionInString) {
                    if (currentCeylonPosition != -1 && currentCeylonPosition != 0) {
                        writer.write("/* " + formatCeylonPosition(currentCeylonPosition) + " */");
                    }
                    previousCeylonPosition = currentCeylonPosition;
                    previousPositionInString = writer.size();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        @Override
        public void visitTopLevel(JCCompilationUnit tree) {
            outputCeylonPosition(tree);
            super.visitTopLevel(tree);
        }

        @Override
        public void visitImport(JCImport tree) {
            outputCeylonPosition(tree);
            super.visitImport(tree);
        }

        @Override
        public void visitClassDef(JCClassDecl tree) {
            outputCeylonPosition(tree);
            super.visitClassDef(tree);
        }

        @Override
        public void visitMethodDef(JCMethodDecl tree) {
            outputCeylonPosition(tree);
            super.visitMethodDef(tree);
        }

        @Override
        public void visitVarDef(JCVariableDecl tree) {
            outputCeylonPosition(tree);
            super.visitVarDef(tree);
        }

        @Override
        public void visitSkip(JCSkip tree) {
            outputCeylonPosition(tree);
            super.visitSkip(tree);
        }

        @Override
        public void visitBlock(JCBlock tree) {
            outputCeylonPosition(tree);
            super.visitBlock(tree);
            tree.endpos = currentPosition - 1;
        }

        @Override
        public void visitDoLoop(JCDoWhileLoop tree) {
            outputCeylonPosition(tree);
            super.visitDoLoop(tree);
        }

        @Override
        public void visitWhileLoop(JCWhileLoop tree) {
            outputCeylonPosition(tree);
            super.visitWhileLoop(tree);
        }

        @Override
        public void visitForLoop(JCForLoop tree) {
            outputCeylonPosition(tree);
            super.visitForLoop(tree);
        }

        @Override
        public void visitForeachLoop(JCEnhancedForLoop tree) {
            outputCeylonPosition(tree);
            super.visitForeachLoop(tree);
        }

        @Override
        public void visitLabelled(JCLabeledStatement tree) {
            outputCeylonPosition(tree);
            super.visitLabelled(tree);
        }

        @Override
        public void visitSwitch(JCSwitch tree) {
            outputCeylonPosition(tree);
            super.visitSwitch(tree);
        }

        @Override
        public void visitCase(JCCase tree) {
            outputCeylonPosition(tree);
            super.visitCase(tree);
        }

        @Override
        public void visitSynchronized(JCSynchronized tree) {
            outputCeylonPosition(tree);
            super.visitSynchronized(tree);
        }

        @Override
        public void visitTry(JCTry tree) {
            outputCeylonPosition(tree);
            super.visitTry(tree);
        }

        @Override
        public void visitCatch(JCCatch tree) {
            outputCeylonPosition(tree);
            super.visitCatch(tree);
        }

        @Override
        public void visitConditional(JCConditional tree) {
            outputCeylonPosition(tree);
            super.visitConditional(tree);
        }

        @Override
        public void visitIf(JCIf tree) {
            outputCeylonPosition(tree);
            super.visitIf(tree);
        }

        @Override
        public void visitExec(JCExpressionStatement tree) {
            outputCeylonPosition(tree);
            super.visitExec(tree);
        }

        @Override
        public void visitBreak(JCBreak tree) {
            outputCeylonPosition(tree);
            super.visitBreak(tree);
        }

        @Override
        public void visitContinue(JCContinue tree) {
            outputCeylonPosition(tree);
            super.visitContinue(tree);
        }

        @Override
        public void visitReturn(JCReturn tree) {
            outputCeylonPosition(tree);
            super.visitReturn(tree);
        }

        @Override
        public void visitThrow(JCThrow tree) {
            outputCeylonPosition(tree);
            super.visitThrow(tree);
        }

        @Override
        public void visitAssert(JCAssert tree) {
            outputCeylonPosition(tree);
            super.visitAssert(tree);
        }

        @Override
        public void visitApply(JCMethodInvocation tree) {
            outputCeylonPosition(tree);
            super.visitApply(tree);
        }

        @Override
        public void visitNewClass(JCNewClass tree) {
            outputCeylonPosition(tree);
            super.visitNewClass(tree);
        }

        @Override
        public void visitNewArray(JCNewArray tree) {
            outputCeylonPosition(tree);
            super.visitNewArray(tree);
        }

        @Override
        public void visitParens(JCParens tree) {
            outputCeylonPosition(tree);
            super.visitParens(tree);
        }

        @Override
        public void visitAssign(JCAssign tree) {
            outputCeylonPosition(tree);
            super.visitAssign(tree);
        }

        @Override
        public void visitAssignop(JCAssignOp tree) {
            outputCeylonPosition(tree);
            super.visitAssignop(tree);
        }

        @Override
        public void visitUnary(JCUnary tree) {
            outputCeylonPosition(tree);
            super.visitUnary(tree);
        }

        @Override
        public void visitBinary(JCBinary tree) {
            outputCeylonPosition(tree);
            super.visitBinary(tree);
        }

        @Override
        public void visitTypeCast(JCTypeCast tree) {
            outputCeylonPosition(tree);
            super.visitTypeCast(tree);
        }

        @Override
        public void visitTypeTest(JCInstanceOf tree) {
            outputCeylonPosition(tree);
            super.visitTypeTest(tree);
        }

        @Override
        public void visitIndexed(JCArrayAccess tree) {
            outputCeylonPosition(tree);
            super.visitIndexed(tree);
        }

        @Override
        public void visitSelect(JCFieldAccess tree) {
            outputCeylonPosition(tree);
            super.visitSelect(tree);
        }

        @Override
        public void visitIdent(JCIdent tree) {
            outputCeylonPosition(tree);
            super.visitIdent(tree);
        }

        @Override
        public void visitLiteral(JCLiteral tree) {
            outputCeylonPosition(tree);
            super.visitLiteral(tree);
        }

        @Override
        public void visitTypeIdent(JCPrimitiveTypeTree tree) {
            outputCeylonPosition(tree);
            super.visitTypeIdent(tree);
        }

        @Override
        public void visitTypeArray(JCArrayTypeTree tree) {
            outputCeylonPosition(tree);
            super.visitTypeArray(tree);
        }

        @Override
        public void visitTypeApply(JCTypeApply tree) {
            outputCeylonPosition(tree);
            super.visitTypeApply(tree);
        }

        @Override
        public void visitTypeParameter(JCTypeParameter tree) {
            outputCeylonPosition(tree);
            super.visitTypeParameter(tree);
        }

        @Override
        public void visitWildcard(JCWildcard tree) {
            outputCeylonPosition(tree);
            super.visitWildcard(tree);
        }

        @Override
        public void visitTypeBoundKind(TypeBoundKind tree) {
            outputCeylonPosition(tree);
            super.visitTypeBoundKind(tree);
        }

        @Override
        public void visitErroneous(JCErroneous tree) {
            outputCeylonPosition(tree);
            super.visitErroneous(tree);
        }

        @Override
        public void visitLetExpr(LetExpr tree) {
            outputCeylonPosition(tree);
            super.visitLetExpr(tree);
        }

        @Override
        public void visitModifiers(JCModifiers mods) {
            outputCeylonPosition(mods);
            super.visitModifiers(mods);
        }

        @Override
        public void visitAnnotation(JCAnnotation tree) {
            outputCeylonPosition(tree);
            super.visitAnnotation(tree);
        }

        @Override
        public void visitTree(JCTree tree) {
            outputCeylonPosition(tree);
            super.visitTree(tree);
        }
    };
    printer.visitTopLevel(unit);
    return writer.toString();
}