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Example 1 with MethodInvocationTree

use of com.sun.source.tree.MethodInvocationTree in project jOOQ by jOOQ.

the class SQLDialectChecker method createSourceVisitor.

@Override
protected SourceVisitor<Void, Void> createSourceVisitor() {
    return new SourceVisitor<Void, Void>(getChecker()) {

        @Override
        public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
            try {
                ExecutableElement elementFromUse = elementFromUse(node);
                Support support = elementFromUse.getAnnotation(Support.class);
                // all jOOQ API method calls will type check.
                if (support != null && support.value().length > 0) {
                    Element enclosing = elementFromDeclaration(enclosingMethod(getPath(root, node)));
                    EnumSet<SQLDialect> supported = EnumSet.copyOf(asList(support.value()));
                    EnumSet<SQLDialect> allowed = EnumSet.noneOf(SQLDialect.class);
                    EnumSet<SQLDialect> required = EnumSet.noneOf(SQLDialect.class);
                    boolean evaluateRequire = true;
                    while (enclosing != null) {
                        Allow allow = enclosing.getAnnotation(Allow.class);
                        if (allow != null)
                            allowed.addAll(asList(allow.value()));
                        if (evaluateRequire) {
                            Require require = enclosing.getAnnotation(Require.class);
                            if (require != null) {
                                evaluateRequire = false;
                                required.clear();
                                required.addAll(asList(require.value()));
                            }
                        }
                        enclosing = enclosing.getEnclosingElement();
                    }
                    if (allowed.isEmpty())
                        error(node, "No jOOQ API usage is allowed at current scope. Use @Allow.");
                    if (required.isEmpty())
                        error(node, "No jOOQ API usage is allowed at current scope due to conflicting @Require specification.");
                    boolean allowedFail = true;
                    allowedLoop: for (SQLDialect a : allowed) {
                        for (SQLDialect s : supported) {
                            if (a.supports(s)) {
                                allowedFail = false;
                                break allowedLoop;
                            }
                        }
                    }
                    if (allowedFail)
                        error(node, "The allowed dialects in scope " + allowed + " do not include any of the supported dialects: " + supported);
                    boolean requiredFail = false;
                    requiredLoop: for (SQLDialect r : required) {
                        for (SQLDialect s : supported) if (r.supports(s))
                            continue requiredLoop;
                        requiredFail = true;
                        break requiredLoop;
                    }
                    if (requiredFail)
                        error(node, "Not all of the required dialects " + required + " from the current scope are supported " + supported);
                }
            } catch (final Exception e) {
                print(new Printer() {

                    @Override
                    public void print(PrintWriter t) {
                        e.printStackTrace(t);
                    }
                });
            }
            return super.visitMethodInvocation(node, p);
        }
    };
}
Also used : Require(org.jooq.Require) Support(org.jooq.Support) SourceVisitor(org.checkerframework.framework.source.SourceVisitor) ExecutableElement(javax.lang.model.element.ExecutableElement) ExecutableElement(javax.lang.model.element.ExecutableElement) Element(javax.lang.model.element.Element) Allow(org.jooq.Allow) MethodInvocationTree(com.sun.source.tree.MethodInvocationTree) SQLDialect(org.jooq.SQLDialect) PrintWriter(java.io.PrintWriter)

Example 2 with MethodInvocationTree

use of com.sun.source.tree.MethodInvocationTree in project jOOQ by jOOQ.

the class PlainSQLChecker method createSourceVisitor.

@Override
protected SourceVisitor<Void, Void> createSourceVisitor() {
    return new SourceVisitor<Void, Void>(getChecker()) {

        @Override
        public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
            try {
                ExecutableElement elementFromUse = elementFromUse(node);
                PlainSQL plainSQL = elementFromUse.getAnnotation(PlainSQL.class);
                // all jOOQ API method calls will type check.
                if (plainSQL != null) {
                    Element enclosing = elementFromDeclaration(enclosingMethod(getPath(root, node)));
                    boolean allowed = false;
                    moveUpEnclosingLoop: while (enclosing != null) {
                        if (enclosing.getAnnotation(Allow.PlainSQL.class) != null) {
                            allowed = true;
                            break moveUpEnclosingLoop;
                        }
                        enclosing = enclosing.getEnclosingElement();
                    }
                    if (!allowed)
                        error(node, "Plain SQL usage not allowed at current scope. Use @Allow.PlainSQL.");
                }
            } catch (final Exception e) {
                print(new Printer() {

                    @Override
                    public void print(PrintWriter t) {
                        e.printStackTrace(t);
                    }
                });
            }
            return super.visitMethodInvocation(node, p);
        }
    };
}
Also used : MethodInvocationTree(com.sun.source.tree.MethodInvocationTree) SourceVisitor(org.checkerframework.framework.source.SourceVisitor) ExecutableElement(javax.lang.model.element.ExecutableElement) ExecutableElement(javax.lang.model.element.ExecutableElement) Element(javax.lang.model.element.Element) PlainSQL(org.jooq.PlainSQL) Allow(org.jooq.Allow) PrintWriter(java.io.PrintWriter)

Example 3 with MethodInvocationTree

use of com.sun.source.tree.MethodInvocationTree in project lombok by rzwitserloot.

the class HandleHelper method handle.

@Override
public void handle(AnnotationValues<Helper> annotation, JCAnnotation ast, JavacNode annotationNode) {
    handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.HELPER_FLAG_USAGE, "@Helper");
    deleteAnnotationIfNeccessary(annotationNode, Helper.class);
    JavacNode annotatedType = annotationNode.up();
    JavacNode containingBlock = annotatedType == null ? null : annotatedType.directUp();
    List<JCStatement> origStatements = getStatementsFromJcNode(containingBlock == null ? null : containingBlock.get());
    if (annotatedType == null || annotatedType.getKind() != Kind.TYPE || origStatements == null) {
        annotationNode.addError("@Helper is legal only on method-local classes.");
        return;
    }
    JCClassDecl annotatedType_ = (JCClassDecl) annotatedType.get();
    Iterator<JCStatement> it = origStatements.iterator();
    while (it.hasNext()) {
        if (it.next() == annotatedType_) {
            break;
        }
    }
    java.util.List<String> knownMethodNames = new ArrayList<String>();
    for (JavacNode ch : annotatedType.down()) {
        if (ch.getKind() != Kind.METHOD)
            continue;
        String n = ch.getName();
        if (n == null || n.isEmpty() || n.charAt(0) == '<')
            continue;
        knownMethodNames.add(n);
    }
    Collections.sort(knownMethodNames);
    final String[] knownMethodNames_ = knownMethodNames.toArray(new String[knownMethodNames.size()]);
    final Name helperName = annotationNode.toName("$" + annotatedType_.name);
    final boolean[] helperUsed = new boolean[1];
    final JavacTreeMaker maker = annotationNode.getTreeMaker();
    TreeVisitor<Void, Void> visitor = new TreeScanner<Void, Void>() {

        @Override
        public Void visitMethodInvocation(MethodInvocationTree node, Void p) {
            JCMethodInvocation jcmi = (JCMethodInvocation) node;
            apply(jcmi);
            return super.visitMethodInvocation(node, p);
        }

        private void apply(JCMethodInvocation jcmi) {
            if (!(jcmi.meth instanceof JCIdent))
                return;
            JCIdent jci = (JCIdent) jcmi.meth;
            if (Arrays.binarySearch(knownMethodNames_, jci.name.toString()) < 0)
                return;
            jcmi.meth = maker.Select(maker.Ident(helperName), jci.name);
            helperUsed[0] = true;
        }
    };
    while (it.hasNext()) {
        JCStatement stat = it.next();
        stat.accept(visitor, null);
    }
    if (!helperUsed[0]) {
        annotationNode.addWarning("No methods of this helper class are ever used.");
        return;
    }
    ListBuffer<JCStatement> newStatements = new ListBuffer<JCStatement>();
    boolean mark = false;
    for (JCStatement stat : origStatements) {
        newStatements.append(stat);
        if (mark || stat != annotatedType_)
            continue;
        mark = true;
        JCExpression init = maker.NewClass(null, List.<JCExpression>nil(), maker.Ident(annotatedType_.name), List.<JCExpression>nil(), null);
        JCExpression varType = maker.Ident(annotatedType_.name);
        JCVariableDecl decl = maker.VarDef(maker.Modifiers(Flags.FINAL), helperName, varType, init);
        newStatements.append(decl);
    }
    setStatementsOfJcNode(containingBlock.get(), newStatements.toList());
}
Also used : JCClassDecl(com.sun.tools.javac.tree.JCTree.JCClassDecl) JCIdent(com.sun.tools.javac.tree.JCTree.JCIdent) JavacTreeMaker(lombok.javac.JavacTreeMaker) ListBuffer(com.sun.tools.javac.util.ListBuffer) ArrayList(java.util.ArrayList) JCStatement(com.sun.tools.javac.tree.JCTree.JCStatement) JCVariableDecl(com.sun.tools.javac.tree.JCTree.JCVariableDecl) Name(com.sun.tools.javac.util.Name) JCMethodInvocation(com.sun.tools.javac.tree.JCTree.JCMethodInvocation) JCExpression(com.sun.tools.javac.tree.JCTree.JCExpression) JavacNode(lombok.javac.JavacNode) TreeScanner(com.sun.source.util.TreeScanner) MethodInvocationTree(com.sun.source.tree.MethodInvocationTree)

Example 4 with MethodInvocationTree

use of com.sun.source.tree.MethodInvocationTree in project bazel by bazelbuild.

the class TreeUtils method getAssignmentContext.

/**
     * Returns the tree with the assignment context for the treePath
     * leaf node.
     *
     * The assignment context for the treepath is the most enclosing
     * tree of type:
     * <ul>
     *   <li>AssignmentTree </li>
     *   <li>CompoundAssignmentTree </li>
     *   <li>MethodInvocationTree</li>
     *   <li>NewArrayTree</li>
     *   <li>NewClassTree</li>
     *   <li>ReturnTree</li>
     *   <li>VariableTree</li>
     * </ul>
     *
     * @param treePath
     * @return  the assignment context as described.
     */
public static Tree getAssignmentContext(final TreePath treePath) {
    TreePath path = treePath.getParentPath();
    if (path == null)
        return null;
    Tree node = path.getLeaf();
    if ((node instanceof AssignmentTree) || (node instanceof CompoundAssignmentTree) || (node instanceof MethodInvocationTree) || (node instanceof NewArrayTree) || (node instanceof NewClassTree) || (node instanceof ReturnTree) || (node instanceof VariableTree))
        return node;
    return null;
}
Also used : TreePath(com.sun.source.util.TreePath) NewArrayTree(com.sun.source.tree.NewArrayTree) MethodInvocationTree(com.sun.source.tree.MethodInvocationTree) VariableTree(com.sun.source.tree.VariableTree) ReturnTree(com.sun.source.tree.ReturnTree) ArrayAccessTree(com.sun.source.tree.ArrayAccessTree) CompoundAssignmentTree(com.sun.source.tree.CompoundAssignmentTree) LiteralTree(com.sun.source.tree.LiteralTree) MethodTree(com.sun.source.tree.MethodTree) BinaryTree(com.sun.source.tree.BinaryTree) VariableTree(com.sun.source.tree.VariableTree) AnnotatedTypeTree(com.sun.source.tree.AnnotatedTypeTree) MethodInvocationTree(com.sun.source.tree.MethodInvocationTree) AssignmentTree(com.sun.source.tree.AssignmentTree) TypeCastTree(com.sun.source.tree.TypeCastTree) NewClassTree(com.sun.source.tree.NewClassTree) ParameterizedTypeTree(com.sun.source.tree.ParameterizedTypeTree) IdentifierTree(com.sun.source.tree.IdentifierTree) NewArrayTree(com.sun.source.tree.NewArrayTree) Tree(com.sun.source.tree.Tree) ClassTree(com.sun.source.tree.ClassTree) ParenthesizedTree(com.sun.source.tree.ParenthesizedTree) ExpressionTree(com.sun.source.tree.ExpressionTree) MemberSelectTree(com.sun.source.tree.MemberSelectTree) JCTree(com.sun.tools.javac.tree.JCTree) ExpressionStatementTree(com.sun.source.tree.ExpressionStatementTree) BlockTree(com.sun.source.tree.BlockTree) PrimitiveTypeTree(com.sun.source.tree.PrimitiveTypeTree) StatementTree(com.sun.source.tree.StatementTree) NewClassTree(com.sun.source.tree.NewClassTree) CompoundAssignmentTree(com.sun.source.tree.CompoundAssignmentTree) AssignmentTree(com.sun.source.tree.AssignmentTree) ReturnTree(com.sun.source.tree.ReturnTree) CompoundAssignmentTree(com.sun.source.tree.CompoundAssignmentTree)

Example 5 with MethodInvocationTree

use of com.sun.source.tree.MethodInvocationTree in project error-prone by google.

the class FilesLinesLeak method matchMethodInvocation.

@Override
public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState state) {
    if (!MATCHER.matches(tree, state)) {
        return NO_MATCH;
    }
    if (inTWR(state)) {
        return NO_MATCH;
    }
    Description.Builder description = buildDescription(tree);
    Tree parent = state.getPath().getParentPath().getLeaf();
    if (parent instanceof MemberSelectTree) {
        MemberSelectTree select = (MemberSelectTree) parent;
        StatementTree statement = state.findEnclosing(StatementTree.class);
        SuggestedFix.Builder fix = SuggestedFix.builder();
        if (statement instanceof VariableTree) {
            VariableTree var = (VariableTree) statement;
            int pos = ((JCTree) var).getStartPosition();
            int initPos = ((JCTree) var.getInitializer()).getStartPosition();
            int eqPos = pos + state.getSourceForNode(var).substring(0, initPos - pos).lastIndexOf('=');
            fix.replace(eqPos, initPos, String.format(";\ntry (Stream<String> stream = %s) {\n%s =", state.getSourceForNode(tree), var.getName().toString()));
        } else {
            fix.prefixWith(statement, String.format("try (Stream<String> stream = %s) {\n", state.getSourceForNode(tree)));
            fix.replace(select.getExpression(), "stream");
        }
        fix.replace(tree, "stream");
        fix.postfixWith(statement, "}");
        fix.addImport("java.util.stream.Stream");
        description.addFix(fix.build());
    }
    return description.build();
}
Also used : StatementTree(com.sun.source.tree.StatementTree) Description(com.google.errorprone.matchers.Description) SuggestedFix(com.google.errorprone.fixes.SuggestedFix) MemberSelectTree(com.sun.source.tree.MemberSelectTree) VariableTree(com.sun.source.tree.VariableTree) ExpressionTree(com.sun.source.tree.ExpressionTree) VariableTree(com.sun.source.tree.VariableTree) MemberSelectTree(com.sun.source.tree.MemberSelectTree) JCTree(com.sun.tools.javac.tree.JCTree) MethodInvocationTree(com.sun.source.tree.MethodInvocationTree) StatementTree(com.sun.source.tree.StatementTree) Tree(com.sun.source.tree.Tree) JCTree(com.sun.tools.javac.tree.JCTree)

Aggregations

MethodInvocationTree (com.sun.source.tree.MethodInvocationTree)35 ExpressionTree (com.sun.source.tree.ExpressionTree)24 Tree (com.sun.source.tree.Tree)13 IdentifierTree (com.sun.source.tree.IdentifierTree)10 MemberSelectTree (com.sun.source.tree.MemberSelectTree)9 VariableTree (com.sun.source.tree.VariableTree)9 JCTree (com.sun.tools.javac.tree.JCTree)9 ExpressionStatementTree (com.sun.source.tree.ExpressionStatementTree)8 MethodTree (com.sun.source.tree.MethodTree)8 JCFieldAccess (com.sun.tools.javac.tree.JCTree.JCFieldAccess)8 VisitorState (com.google.errorprone.VisitorState)7 StatementTree (com.sun.source.tree.StatementTree)7 MethodSymbol (com.sun.tools.javac.code.Symbol.MethodSymbol)7 BinaryTree (com.sun.source.tree.BinaryTree)5 BlockTree (com.sun.source.tree.BlockTree)5 NewClassTree (com.sun.source.tree.NewClassTree)5 ReturnTree (com.sun.source.tree.ReturnTree)5 AssignmentTree (com.sun.source.tree.AssignmentTree)4 ClassTree (com.sun.source.tree.ClassTree)4 Description (com.google.errorprone.matchers.Description)3