Examples with MethodSymbol com.sun.tools.javac.code.Symbol.MethodSymbol used on opensource projects

Example 1 with MethodSymbol

use of com.sun.tools.javac.code.Symbol.MethodSymbol in project lombok by rzwitserloot.

the class HandleExtensionMethod method getExtension.

public Extension getExtension(final JavacNode typeNode, final ClassType extensionMethodProviderType) {
    List<MethodSymbol> extensionMethods = new ArrayList<MethodSymbol>();
    TypeSymbol tsym = extensionMethodProviderType.asElement();
    if (tsym != null)
        for (Symbol member : tsym.getEnclosedElements()) {
            if (member.getKind() != ElementKind.METHOD)
                continue;
            MethodSymbol method = (MethodSymbol) member;
            if ((method.flags() & (STATIC | PUBLIC)) == 0)
                continue;
            if (method.params().isEmpty())
                continue;
            extensionMethods.add(method);
        }
    return new Extension(extensionMethods, tsym);
}

Example 2 with MethodSymbol

use of com.sun.tools.javac.code.Symbol.MethodSymbol in project error-prone by google.

the class TypeParameterUnusedInFormals method matchMethod.

@Override
public Description matchMethod(MethodTree tree, VisitorState state) {
    MethodSymbol methodSymbol = ASTHelpers.getSymbol(tree);
    if (methodSymbol == null) {
        return Description.NO_MATCH;
    }
    // Only match methods where the return type is just a type parameter.
    // e.g. the following is OK: <T> List<T> newArrayList();
    TypeVar retType;
    switch(methodSymbol.getReturnType().getKind()) {
        case TYPEVAR:
            retType = (TypeVar) methodSymbol.getReturnType();
            break;
        default:
            return Description.NO_MATCH;
    }
    if (!methodSymbol.equals(retType.tsym.owner)) {
        return Description.NO_MATCH;
    }
    // e.g.: <T extends Enum<T>> T unsafeEnumDeserializer();
    if (retType.bound != null && TypeParameterFinder.visit(retType.bound).contains(retType.tsym)) {
        return Description.NO_MATCH;
    }
    // e.g.: <T> T noop(T t);
    for (VarSymbol formalParam : methodSymbol.getParameters()) {
        if (TypeParameterFinder.visit(formalParam.type).contains(retType.tsym)) {
            return Description.NO_MATCH;
        }
    }
    return describeMatch(tree);
}

Example 3 with MethodSymbol

use of com.sun.tools.javac.code.Symbol.MethodSymbol in project error-prone by google.

the class UnnecessaryTypeArgument method check.

private Description check(Tree tree, List<? extends Tree> arguments, VisitorState state) {
    Symbol sym = ASTHelpers.getSymbol(tree);
    if (!(sym instanceof MethodSymbol)) {
        return Description.NO_MATCH;
    }
    MethodSymbol methodSymbol = (MethodSymbol) sym;
    int expected = methodSymbol.getTypeParameters().size();
    int actual = arguments.size();
    if (actual <= expected) {
        return Description.NO_MATCH;
    }
    for (MethodSymbol superMethod : ASTHelpers.findSuperMethods(methodSymbol, state.getTypes())) {
        if (!superMethod.getTypeParameters().isEmpty()) {
            // two types.
            return Description.NO_MATCH;
        }
    }
    return describeMatch(tree, buildFix(tree, arguments, state));
}

Example 4 with MethodSymbol

use of com.sun.tools.javac.code.Symbol.MethodSymbol in project error-prone by google.

the class TryFailThrowable method getMessageSnippet.

private static String getMessageSnippet(StatementTree failStatement, VisitorState state, HasOtherParameters hasOtherParameters) {
    ExpressionTree expression = ((ExpressionStatementTree) failStatement).getExpression();
    MethodSymbol sym = (MethodSymbol) getSymbol(expression);
    String tail = hasOtherParameters == HasOtherParameters.TRUE ? ", " : "";
    // The above casts were checked earlier by failOrAssert.
    return hasInitialStringParameter(sym, state) ? state.getSourceForNode(((MethodInvocationTree) expression).getArguments().get(0)) + tail : "";
}

Example 5 with MethodSymbol

use of com.sun.tools.javac.code.Symbol.MethodSymbol in project error-prone by google.

the class MustBeClosedChecker method matchMethodInvocation.

/**
   * Check that invocations of methods annotated with {@link MustBeClosed} are called within the
   * resource variable initializer of a try-with-resources statement.
   */
@Override
public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState state) {
    MethodSymbol msym = getSymbol(tree);
    if (msym == null) {
        return Description.NO_MATCH;
    }
    String methodName = msym.getSimpleName().toString();
    return matchNewClassOrMethodInvocation(methodName, tree, state);
}