kotlin-fork/compiler/tests/org/jetbrains/jet/JetTestUtils.java

package org.jetbrains.jet;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.jet.lang.diagnostics.Diagnostic;
import org.jetbrains.jet.lang.diagnostics.Severity;
import org.jetbrains.jet.lang.diagnostics.UnresolvedReferenceDiagnostic;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.BindingTrace;
import org.jetbrains.jet.util.slicedmap.ReadOnlySlice;
import org.jetbrains.jet.util.slicedmap.WritableSlice;

import java.util.Collection;

/**
 * @author abreslav
 */
public class JetTestUtils {
    public static final BindingTrace DUMMY_TRACE = new BindingTrace() {


        @Override
        public BindingContext getBindingContext() {
            return new BindingContext() {

                @Override
                public Collection<Diagnostic> getDiagnostics() {
                    throw new UnsupportedOperationException(); // TODO
                }

                @Override
                public <K, V> V get(ReadOnlySlice<K, V> slice, K key) {
                    return DUMMY_TRACE.get(slice, key);
                }
            };
        }

        @Override
        public <K, V> void record(WritableSlice<K, V> slice, K key, V value) {
        }

        @Override
        public <K> void record(WritableSlice<K, Boolean> slice, K key) {
        }

        @Override
        public <K, V> V get(ReadOnlySlice<K, V> slice, K key) {
            if (slice == BindingContext.PROCESSED) return (V) Boolean.FALSE;
            return null;
        }

        @Override
        public void report(@NotNull Diagnostic diagnostic) {
            if (diagnostic instanceof UnresolvedReferenceDiagnostic) {
                UnresolvedReferenceDiagnostic unresolvedReferenceDiagnostic = (UnresolvedReferenceDiagnostic) diagnostic;
                throw new IllegalStateException("Unresolved: " + unresolvedReferenceDiagnostic.getPsiElement().getText());
            }
        }
    };

    public static BindingTrace DUMMY_EXCEPTION_ON_ERROR_TRACE = new BindingTrace() {
            @Override
            public BindingContext getBindingContext() {
                return new BindingContext() {
                    @Override
                    public Collection<Diagnostic> getDiagnostics() {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public <K, V> V get(ReadOnlySlice<K, V> slice, K key) {
                        return DUMMY_EXCEPTION_ON_ERROR_TRACE.get(slice, key);
                    }
                };
            }

            @Override
            public <K, V> void record(WritableSlice<K, V> slice, K key, V value) {
            }

            @Override
            public <K> void record(WritableSlice<K, Boolean> slice, K key) {
            }

            @Override
            public <K, V> V get(ReadOnlySlice<K, V> slice, K key) {
                return null;
            }

            @Override
            public void report(@NotNull Diagnostic diagnostic) {
                if (diagnostic.getSeverity() == Severity.ERROR) {
                    throw new IllegalStateException(diagnostic.getMessage());
                }
            }
        };
}