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

Example 56 with MethodSymbol

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

the class WrongParameterPackage method describe.

public Description describe(MethodTree tree, VisitorState state) {
    SuggestedFix.Builder builder = null;
    MethodSymbol method = ASTHelpers.getSymbol(tree);
    if (supermethod == null) {
        throw new IllegalStateException("Matching supermethod was not found");
    }
    for (int x = 0; x < method.params().size(); x++) {
        Type methodParamType = method.params().get(x).type;
        Type supermethodParamType = supermethod.params().get(x).type;
        if (methodParamType.tsym.name.contentEquals(supermethodParamType.tsym.name) && !state.getTypes().isSameType(methodParamType, supermethodParamType)) {
            VariableTree param = tree.getParameters().get(x);
            // TODO(user): Name is most likely more qualified than necessary.
            Name replacement = supermethodParamType.tsym.getQualifiedName();
            if (builder == null) {
                builder = SuggestedFix.builder();
            }
            builder.replace(param, replacement + " " + param.getName());
        }
    }
    return (builder != null) ? describeMatch(tree, builder.build()) : describeMatch(tree);
}

Example 57 with MethodSymbol

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

the class FragmentInjection method matchClass.

@Override
public Description matchClass(ClassTree tree, VisitorState state) {
    // Only examine classes that extend PreferenceActivity.
    Type preferenceActivityType = state.getTypeFromString("android.preference.PreferenceActivity");
    if (!isSubtype(getType(tree), preferenceActivityType, state)) {
        return NO_MATCH;
    }
    // Examine each method in the class. Complain if isValidFragment not implemented.
    TypeSymbol preferenceActivityTypeSymbol = preferenceActivityType.tsym;
    boolean methodNotImplemented = true;
    try {
        MethodSymbol isValidFragmentMethodSymbol = resolveExistingMethod(state, getSymbol(tree), state.getName("isValidFragment"), ImmutableList.<Type>of(state.getTypeFromString("java.lang.String")), ImmutableList.<Type>of());
        methodNotImplemented = isValidFragmentMethodSymbol.owner.equals(preferenceActivityTypeSymbol);
    } catch (FatalError e) {
    // If isValidFragment method symbol is not found, then we must be compiling against an old SDK
    // version (< 19) in which isValidFragment is not yet implemented, and neither this class nor
    // any of its super classes have implemented it.
    }
    // isValidFragment, and this is not an abstract class, emit warning.
    if (methodNotImplemented && not(hasModifier(Modifier.ABSTRACT)).matches(tree, state)) {
        return buildDescription(tree).setMessage("Class extending PreferenceActivity does not implement isValidFragment.").build();
    }
    // Check the implementation of isValidFragment. Complain if it always returns true.
    MethodTree isValidFragmentMethodTree = getMethod(OVERRIDES_IS_VALID_FRAGMENT, tree, state);
    if (isValidFragmentMethodTree != null) {
        if (isValidFragmentMethodTree.accept(ALWAYS_RETURNS_TRUE, null)) {
            return buildDescription(isValidFragmentMethodTree).setMessage("isValidFragment unconditionally returns true.").build();
        }
    }
    return NO_MATCH;
}

Example 58 with MethodSymbol

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

the class WaitNotInLoop method matchMethodInvocation.

@Override
public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState state) {
    if (!matcher.matches(tree, state)) {
        return Description.NO_MATCH;
    }
    Description.Builder description = buildDescription(tree);
    MethodSymbol sym = ASTHelpers.getSymbol(tree);
    if (sym != null) {
        description.setMessage(String.format(MESSAGE_TEMPLATE, sym));
    }
    // mechanically, so we provide detailed instructions in the wiki content.
    if (!waitMethodWithTimeout.matches(tree, state)) {
        JCIf enclosingIf = ASTHelpers.findEnclosingNode(state.getPath().getParentPath(), JCIf.class);
        if (enclosingIf != null && enclosingIf.getElseStatement() == null) {
            CharSequence ifSource = state.getSourceForNode(enclosingIf);
            if (ifSource == null) {
                // Source isn't available, so we can't construct a fix
                return description.build();
            }
            String replacement = ifSource.toString().replaceFirst("if", "while");
            return description.addFix(SuggestedFix.replace(enclosingIf, replacement)).build();
        }
    }
    return description.build();
}

Example 59 with MethodSymbol

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

the class ChainingConstructorIgnoresParameter method matchMethod.

@Override
public Description matchMethod(MethodTree tree, VisitorState state) {
    MethodSymbol symbol = getSymbol(tree);
    if (!symbol.isConstructor()) {
        return NO_MATCH;
    }
    paramTypesForMethod.put(symbol, unmodifiableList(tree.getParameters()));
    return evaluateCallers(symbol);
}

Example 60 with MethodSymbol

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

the class CheckReturnValue method checkEnclosingClasses.

private static Optional<Boolean> checkEnclosingClasses(MethodSymbol method, VisitorState state) {
    Symbol enclosingClass = enclosingClass(method);
    while (enclosingClass instanceof ClassSymbol) {
        Optional<Boolean> result = shouldCheckReturnValue(enclosingClass, state);
        if (result.isPresent()) {
            return result;
        }
        enclosingClass = enclosingClass.owner;
    }
    return Optional.absent();
}