Examples with ExpressionTree com.sun.source.tree.ExpressionTree used on opensource projects

Example 61 with ExpressionTree

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

the class ProtoFieldPreconditionsCheckNotNull method isGetMethodInvocation.

private static boolean isGetMethodInvocation(ExpressionTree tree, VisitorState state) {
    if (tree.getKind() == Tree.Kind.METHOD_INVOCATION) {
        MethodInvocationTree method = (MethodInvocationTree) tree;
        if (!method.getArguments().isEmpty()) {
            return false;
        }
        if (returnsListMatcher.matches(method, state)) {
            return false;
        }
        ExpressionTree expressionTree = method.getMethodSelect();
        if (expressionTree instanceof JCFieldAccess) {
            JCFieldAccess access = (JCFieldAccess) expressionTree;
            String methodName = access.sym.getQualifiedName().toString();
            return isFieldGetMethod(methodName);
        }
        return true;
    }
    return false;
}

Example 62 with ExpressionTree

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

the class ProtoFieldPreconditionsCheckNotNull method isGetListMethodInvocation.

private static boolean isGetListMethodInvocation(ExpressionTree tree, VisitorState state) {
    if (tree.getKind() == Tree.Kind.METHOD_INVOCATION) {
        MethodInvocationTree method = (MethodInvocationTree) tree;
        if (!method.getArguments().isEmpty()) {
            return false;
        }
        if (!returnsListMatcher.matches(method, state)) {
            return false;
        }
        ExpressionTree expressionTree = method.getMethodSelect();
        if (expressionTree instanceof JCFieldAccess) {
            JCFieldAccess access = (JCFieldAccess) expressionTree;
            String methodName = access.sym.getQualifiedName().toString();
            return isFieldGetMethod(methodName);
        }
        return true;
    }
    return false;
}

Example 63 with ExpressionTree

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

the class ProtoStringFieldReferenceEquality method matchBinary.

@Override
public Description matchBinary(BinaryTree tree, VisitorState state) {
    switch(tree.getKind()) {
        case EQUAL_TO:
        case NOT_EQUAL_TO:
            break;
        default:
            return NO_MATCH;
    }
    ExpressionTree lhs = tree.getLeftOperand();
    ExpressionTree rhs = tree.getRightOperand();
    if (match(lhs, rhs, state) || match(rhs, lhs, state)) {
        String result = String.format("%s.equals(%s)", state.getSourceForNode(lhs), state.getSourceForNode(rhs));
        if (tree.getKind() == Kind.NOT_EQUAL_TO) {
            result = "!" + result;
        }
        return describeMatch(tree, SuggestedFix.replace(tree, result));
    }
    return NO_MATCH;
}

Example 64 with ExpressionTree

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

the class ASTHelpersTest method expressionStatementMatches.

private Scanner expressionStatementMatches(final String expectedExpression, final Matcher<ExpressionTree> matcher) {
    return new TestScanner() {

        @Override
        public Void visitExpressionStatement(ExpressionStatementTree node, VisitorState state) {
            ExpressionTree expression = node.getExpression();
            if (expression.toString().equals(expectedExpression)) {
                assertMatch(node.getExpression(), state, matcher);
                setAssertionsComplete();
            }
            return super.visitExpressionStatement(node, state);
        }
    };
}

Example 65 with ExpressionTree

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

the class DescendantOfAbstractTest method memberSelectMatches.

protected Scanner memberSelectMatches(final boolean shouldMatch, final DescendantOf toMatch) {
    ScannerTest test = new ScannerTest() {

        private boolean matched = false;

        @Override
        public Void visitMethodInvocation(MethodInvocationTree node, VisitorState visitorState) {
            visitorState = visitorState.withPath(getCurrentPath());
            ExpressionTree methodSelect = node.getMethodSelect();
            if (toMatch.matches(methodSelect, visitorState)) {
                matched = true;
            }
            return super.visitMethodInvocation(node, visitorState);
        }

        @Override
        public void assertDone() {
            assertEquals(matched, shouldMatch);
        }
    };
    tests.add(test);
    return test;
}