RetryOutsideRescue.java

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package org.netbeans.modules.ruby.hints;

import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.prefs.Preferences;
import javax.swing.JComponent;
import org.jrubyparser.ast.Node;
import org.jrubyparser.ast.NodeType;
import org.netbeans.modules.csl.api.Hint;
import org.netbeans.modules.csl.api.HintFix;
import org.netbeans.modules.csl.api.HintSeverity;
import org.netbeans.modules.csl.api.OffsetRange;
import org.netbeans.modules.csl.api.RuleContext;
import org.netbeans.modules.csl.spi.ParserResult;
import org.netbeans.modules.ruby.AstPath;
import org.netbeans.modules.ruby.AstUtilities;
import org.netbeans.modules.ruby.RubyUtils;
import org.netbeans.modules.ruby.hints.infrastructure.RubyAstRule;
import org.netbeans.modules.ruby.hints.infrastructure.RubyRuleContext;
import org.netbeans.modules.ruby.lexer.LexUtilities;
import org.openide.util.NbBundle;

/**
 * Warn Ruby 1.9 change which disallows retry outside of the rescue-portion
 * 
 * @author Tor Norbye
 */
public class RetryOutsideRescue extends RubyAstRule {

    public Set<NodeType> getKinds() {
        return Collections.singleton(NodeType.RETRYNODE);
    }

    public void run(RubyRuleContext context, List<Hint> result) {
        Node node = context.node;
        AstPath path = context.path;
        ParserResult info = context.parserResult;

        if (!path.contains(NodeType.RESCUEBODYNODE)) {
            OffsetRange range = AstUtilities.getNameRange(node);

            range = LexUtilities.getLexerOffsets(info, range);
            if (range != OffsetRange.NONE) {
                String displayName = NbBundle.getMessage(ConvertConditionals.class, "RetryOutsideRescueMsg");
                Hint desc = new Hint(this, displayName, RubyUtils.getFileObject(info), range, Collections.<HintFix>emptyList(), 100);
                result.add(desc);
            }
        }
    }

    public String getId() {
        return "RetryOutsideRescue"; // NOI18N
    }

    public String getDescription() {
        return NbBundle.getMessage(ConvertConditionals.class, "RetryOutsideRescueDesc");
    }

    public boolean getDefaultEnabled() {
        return true;
    }

    public JComponent getCustomizer(Preferences node) {
        return null;
    }

    public boolean appliesTo(RuleContext context) {
        return true;
    }

    public String getDisplayName() {
        return NbBundle.getMessage(ConvertConditionals.class, "RetryOutsideRescue");
    }

    public boolean showInTasklist() {
        return true;
    }

    public HintSeverity getDefaultSeverity() {
        return HintSeverity.WARNING;
    }
}