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

Example 41 with JCClassDecl

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

the class HandleConstructor method createConstructor.

@SuppressWarnings("deprecation")
public static JCMethodDecl createConstructor(AccessLevel level, List<JCAnnotation> onConstructor, JavacNode typeNode, List<JavacNode> fields, boolean allToDefault, JavacNode source) {
    JavacTreeMaker maker = typeNode.getTreeMaker();
    boolean isEnum = (((JCClassDecl) typeNode.get()).mods.flags & Flags.ENUM) != 0;
    if (isEnum)
        level = AccessLevel.PRIVATE;
    boolean addConstructorProperties;
    if (fields.isEmpty()) {
        addConstructorProperties = false;
    } else {
        Boolean v = typeNode.getAst().readConfiguration(ConfigurationKeys.ANY_CONSTRUCTOR_ADD_CONSTRUCTOR_PROPERTIES);
        addConstructorProperties = v != null ? v.booleanValue() : Boolean.FALSE.equals(typeNode.getAst().readConfiguration(ConfigurationKeys.ANY_CONSTRUCTOR_SUPPRESS_CONSTRUCTOR_PROPERTIES));
    }
    ListBuffer<JCStatement> nullChecks = new ListBuffer<JCStatement>();
    ListBuffer<JCStatement> assigns = new ListBuffer<JCStatement>();
    ListBuffer<JCVariableDecl> params = new ListBuffer<JCVariableDecl>();
    for (JavacNode fieldNode : fields) {
        JCVariableDecl field = (JCVariableDecl) fieldNode.get();
        Name fieldName = removePrefixFromField(fieldNode);
        Name rawName = field.name;
        List<JCAnnotation> nonNulls = findAnnotations(fieldNode, NON_NULL_PATTERN);
        if (!allToDefault) {
            List<JCAnnotation> nullables = findAnnotations(fieldNode, NULLABLE_PATTERN);
            long flags = JavacHandlerUtil.addFinalIfNeeded(Flags.PARAMETER, typeNode.getContext());
            JCVariableDecl param = maker.VarDef(maker.Modifiers(flags, nonNulls.appendList(nullables)), fieldName, field.vartype, null);
            params.append(param);
            if (!nonNulls.isEmpty()) {
                JCStatement nullCheck = generateNullCheck(maker, fieldNode, param, source);
                if (nullCheck != null)
                    nullChecks.append(nullCheck);
            }
        }
        JCFieldAccess thisX = maker.Select(maker.Ident(fieldNode.toName("this")), rawName);
        JCExpression assign = maker.Assign(thisX, allToDefault ? getDefaultExpr(maker, field.vartype) : maker.Ident(fieldName));
        assigns.append(maker.Exec(assign));
    }
    JCModifiers mods = maker.Modifiers(toJavacModifier(level), List.<JCAnnotation>nil());
    if (!allToDefault && addConstructorProperties && !isLocalType(typeNode) && LombokOptionsFactory.getDelombokOptions(typeNode.getContext()).getFormatPreferences().generateConstructorProperties()) {
        addConstructorProperties(mods, typeNode, fields);
    }
    if (onConstructor != null)
        mods.annotations = mods.annotations.appendList(copyAnnotations(onConstructor));
    return recursiveSetGeneratedBy(maker.MethodDef(mods, typeNode.toName("<init>"), null, List.<JCTypeParameter>nil(), params.toList(), List.<JCExpression>nil(), maker.Block(0L, nullChecks.appendList(assigns).toList()), null), source.get(), typeNode.getContext());
}

Example 42 with JCClassDecl

use of com.sun.tools.javac.tree.JCTree.JCClassDecl 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();
}

Example 43 with JCClassDecl

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

the class Attr method visitNewClass.

public void visitNewClass(JCNewClass tree) {
    Type owntype = types.createErrorType(tree.type);
    // The local environment of a class creation is
    // a new environment nested in the current one.
    Env<AttrContext> localEnv = env.dup(tree, env.info.dup());
    // The anonymous inner class definition of the new expression,
    // if one is defined by it.
    JCClassDecl cdef = tree.def;
    // If enclosing class is given, attribute it, and
    // complete class name to be fully qualified
    // Class field following new
    JCExpression clazz = tree.clazz;
    // Identifier in class field
    JCExpression clazzid = (clazz.getTag() == JCTree.TYPEAPPLY) ? ((JCTypeApply) clazz).clazz : clazz;
    // The same in fully qualified form
    JCExpression clazzid1 = clazzid;
    if (tree.encl != null) {
        // We are seeing a qualified new, of the form
        // <expr>.new C <...> (...) ...
        // In this case, we let clazz stand for the name of the
        // allocated class C prefixed with the type of the qualifier
        // expression, so that we can
        // resolve it with standard techniques later. I.e., if
        // <expr> has type T, then <expr>.new C <...> (...)
        // yields a clazz T.C.
        Type encltype = chk.checkRefType(tree.encl.pos(), attribExpr(tree.encl, env));
        clazzid1 = make.at(clazz.pos).Select(make.Type(encltype), ((JCIdent) clazzid).name);
        if (clazz.getTag() == JCTree.TYPEAPPLY)
            clazz = make.at(tree.pos).TypeApply(clazzid1, ((JCTypeApply) clazz).arguments);
        else
            clazz = clazzid1;
    }
    // Attribute clazz expression and store
    // symbol + type back into the attributed tree.
    Type clazztype = attribType(clazz, env);
    Pair<Scope, Scope> mapping = getSyntheticScopeMapping(clazztype);
    clazztype = chk.checkDiamond(tree, clazztype);
    chk.validate(clazz, localEnv);
    if (tree.encl != null) {
        // We have to work in this case to store
        // symbol + type back into the attributed tree.
        tree.clazz.type = clazztype;
        TreeInfo.setSymbol(clazzid, TreeInfo.symbol(clazzid1));
        clazzid.type = ((JCIdent) clazzid).sym.type;
        if (!clazztype.isErroneous()) {
            if (cdef != null && clazztype.tsym.isInterface()) {
                log.error(tree.encl.pos(), "anon.class.impl.intf.no.qual.for.new");
            } else if (clazztype.tsym.isStatic()) {
                log.error(tree.encl.pos(), "qualified.new.of.static.class", clazztype.tsym);
            }
        }
    } else if (!clazztype.tsym.isInterface() && clazztype.getEnclosingType().tag == CLASS) {
        // Check for the existence of an apropos outer instance
        rs.resolveImplicitThis(tree.pos(), env, clazztype);
    }
    // Attribute constructor arguments.
    List<Type> argtypes = attribArgs(tree.args, localEnv);
    List<Type> typeargtypes = attribTypes(tree.typeargs, localEnv);
    if (TreeInfo.isDiamond(tree) && !clazztype.isErroneous()) {
        clazztype = attribDiamond(localEnv, tree, clazztype, mapping, argtypes, typeargtypes);
        clazz.type = clazztype;
    } else if (allowDiamondFinder && tree.def == null && !clazztype.isErroneous() && clazztype.getTypeArguments().nonEmpty() && findDiamonds) {
        boolean prevDeferDiags = log.deferDiagnostics;
        Queue<JCDiagnostic> prevDeferredDiags = log.deferredDiagnostics;
        Type inferred = null;
        try {
            // disable diamond-related diagnostics
            log.deferDiagnostics = true;
            log.deferredDiagnostics = ListBuffer.lb();
            inferred = attribDiamond(localEnv, tree, clazztype, mapping, argtypes, typeargtypes);
        } finally {
            log.deferDiagnostics = prevDeferDiags;
            log.deferredDiagnostics = prevDeferredDiags;
        }
        if (inferred != null && !inferred.isErroneous() && inferred.tag == CLASS && types.isAssignable(inferred, pt.tag == NONE ? clazztype : pt, Warner.noWarnings)) {
            String key = types.isSameType(clazztype, inferred) ? "diamond.redundant.args" : "diamond.redundant.args.1";
            log.warning(tree.clazz.pos(), key, clazztype, inferred);
        }
    }
    // If we have made no mistakes in the class type...
    if (clazztype.tag == CLASS) {
        // Enums may not be instantiated except implicitly
        if (allowEnums && (clazztype.tsym.flags_field & Flags.ENUM) != 0 && (env.tree.getTag() != JCTree.VARDEF || (((JCVariableDecl) env.tree).mods.flags & Flags.ENUM) == 0 || ((JCVariableDecl) env.tree).init != tree))
            log.error(tree.pos(), "enum.cant.be.instantiated");
        // Check that class is not abstract
        if (cdef == null && (clazztype.tsym.flags() & (ABSTRACT | INTERFACE)) != 0) {
            log.error(tree.pos(), "abstract.cant.be.instantiated", clazztype.tsym);
        } else if (cdef != null && clazztype.tsym.isInterface()) {
            // anonymous classes implementing an interface
            if (!argtypes.isEmpty())
                log.error(tree.args.head.pos(), "anon.class.impl.intf.no.args");
            if (!typeargtypes.isEmpty())
                log.error(tree.typeargs.head.pos(), "anon.class.impl.intf.no.typeargs");
            // Error recovery: pretend no arguments were supplied.
            argtypes = List.nil();
            typeargtypes = List.nil();
        } else // Resolve the called constructor under the assumption
        // that we are referring to a superclass instance of the
        // current instance (JLS ???).
        {
            // the following code alters some of the fields in the current
            // AttrContext - hence, the current context must be dup'ed in
            // order to avoid downstream failures
            Env<AttrContext> rsEnv = localEnv.dup(tree);
            rsEnv.info.selectSuper = cdef != null;
            rsEnv.info.varArgs = false;
            tree.constructor = rs.resolveConstructor(tree.pos(), rsEnv, clazztype, argtypes, typeargtypes);
            tree.constructorType = tree.constructor.type.isErroneous() ? syms.errType : checkMethod(clazztype, tree.constructor, rsEnv, tree.args, argtypes, typeargtypes, rsEnv.info.varArgs);
            if (rsEnv.info.varArgs)
                Assert.check(tree.constructorType.isErroneous() || tree.varargsElement != null);
        }
        if (cdef != null) {
            // }
            if (Resolve.isStatic(env))
                cdef.mods.flags |= STATIC;
            if (clazztype.tsym.isInterface()) {
                cdef.implementing = List.of(clazz);
            } else {
                cdef.extending = clazz;
            }
            attribStat(cdef, localEnv);
            // and delete it from the new expression
            if (tree.encl != null && !clazztype.tsym.isInterface()) {
                tree.args = tree.args.prepend(makeNullCheck(tree.encl));
                argtypes = argtypes.prepend(tree.encl.type);
                tree.encl = null;
            }
            // Reassign clazztype and recompute constructor.
            clazztype = cdef.sym.type;
            boolean useVarargs = tree.varargsElement != null;
            Symbol sym = rs.resolveConstructor(tree.pos(), localEnv, clazztype, argtypes, typeargtypes, true, useVarargs);
            Assert.check(sym.kind < AMBIGUOUS || tree.constructor.type.isErroneous());
            tree.constructor = sym;
            if (tree.constructor.kind > ERRONEOUS) {
                tree.constructorType = syms.errType;
            } else {
                tree.constructorType = checkMethod(clazztype, tree.constructor, localEnv, tree.args, argtypes, typeargtypes, useVarargs);
            }
        }
        if (tree.constructor != null && tree.constructor.kind == MTH)
            owntype = clazztype;
    }
    result = check(tree, owntype, VAL, pkind, pt);
    chk.validate(tree.typeargs, localEnv);
}

Example 44 with JCClassDecl

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

the class Attr method visitTypeParameter.

public void visitTypeParameter(JCTypeParameter tree) {
    TypeVar a = (TypeVar) tree.type;
    Set<Type> boundSet = new HashSet<Type>();
    if (a.bound.isErroneous())
        return;
    List<Type> bs = types.getBounds(a);
    if (tree.bounds.nonEmpty()) {
        // accept class or interface or typevar as first bound.
        Type b = checkBase(bs.head, tree.bounds.head, env, false, false, false);
        boundSet.add(types.erasure(b));
        if (b.isErroneous()) {
            a.bound = b;
        } else if (b.tag == TYPEVAR) {
            // if first bound was a typevar, do not accept further bounds.
            if (tree.bounds.tail.nonEmpty()) {
                log.error(tree.bounds.tail.head.pos(), "type.var.may.not.be.followed.by.other.bounds");
                tree.bounds = List.of(tree.bounds.head);
                a.bound = bs.head;
            }
        } else {
            // as further bounds.
            for (JCExpression bound : tree.bounds.tail) {
                bs = bs.tail;
                Type i = checkBase(bs.head, bound, env, false, true, false);
                if (i.isErroneous())
                    a.bound = i;
                else if (i.tag == CLASS)
                    chk.checkNotRepeated(bound.pos(), types.erasure(i), boundSet);
            }
        }
    }
    bs = types.getBounds(a);
    // in case of multiple bounds ...
    if (bs.length() > 1) {
        // ... the variable's bound is a class type flagged COMPOUND
        // (see comment for TypeVar.bound).
        // In this case, generate a class tree that represents the
        // bound class, ...
        JCExpression extending;
        List<JCExpression> implementing;
        if ((bs.head.tsym.flags() & INTERFACE) == 0) {
            extending = tree.bounds.head;
            implementing = tree.bounds.tail;
        } else {
            extending = null;
            implementing = tree.bounds;
        }
        JCClassDecl cd = make.at(tree.pos).ClassDef(make.Modifiers(PUBLIC | ABSTRACT), tree.name, List.<JCTypeParameter>nil(), extending, implementing, List.<JCTree>nil());
        ClassSymbol c = (ClassSymbol) a.getUpperBound().tsym;
        Assert.check((c.flags() & COMPOUND) != 0);
        cd.sym = c;
        c.sourcefile = env.toplevel.sourcefile;
        // ... and attribute the bound class
        c.flags_field |= UNATTRIBUTED;
        Env<AttrContext> cenv = enter.classEnv(cd, env);
        enter.typeEnvs.put(c, cenv);
    }
}

Example 45 with JCClassDecl

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

the class RootDocImpl method setClasses.

/**
 * Initialize classes information. Those classes are input from
 * command line.
 *
 * @param env the compilation environment
 * @param classes a list of ClassDeclaration
 */
private void setClasses(DocEnv env, List<JCClassDecl> classes) {
    ListBuffer<ClassDocImpl> result = new ListBuffer<ClassDocImpl>();
    for (JCClassDecl def : classes) {
        // ### Do we want modifier check here?
        if (env.shouldDocument(def.sym)) {
            ClassDocImpl cd = env.getClassDoc(def.sym);
            if (cd != null) {
                cd.isIncluded = true;
                result.append(cd);
            }
        // else System.out.println(" (classdoc is null)");//DEBUG
        }
    // else System.out.println(" (env.shouldDocument() returned false)");//DEBUG
    }
    cmdLineClasses = result.toList();
}