Rename analyzer-experimental to analyzer_experimental.

pkg/analyzer-experimental/test/generated/test_support.dart

-// This code was auto-generated, is not intended to be edited, and is subject to
-// significant change. Please see the README file for more information.
-
-library engine.test_support;
-
-import 'dart:collection';
-import 'dart:uri';
-import 'package:analyzer-experimental/src/generated/java_core.dart';
-import 'package:analyzer-experimental/src/generated/java_engine.dart';
-import 'package:analyzer-experimental/src/generated/java_junit.dart';
-import 'package:analyzer-experimental/src/generated/source.dart';
-import 'package:analyzer-experimental/src/generated/error.dart';
-import 'package:analyzer-experimental/src/generated/scanner.dart';
-import 'package:analyzer-experimental/src/generated/element.dart' show InterfaceType, MethodElement, PropertyAccessorElement;
-import 'package:unittest/unittest.dart' as _ut;
-
-/**
- * Instances of the class {@code GatheringErrorListener} implement an error listener that collects
- * all of the errors passed to it for later examination.
- */
-class GatheringErrorListener implements AnalysisErrorListener {
-  /**
-   * The source being parsed.
-   */
-  String _rawSource;
-  /**
-   * The source being parsed after inserting a marker at the beginning and end of the range of the
-   * most recent error.
-   */
-  String _markedSource;
-  /**
-   * A list containing the errors that were collected.
-   */
-  List<AnalysisError> _errors = new List<AnalysisError>();
-  /**
-   * A table mapping sources to the line information for the source.
-   */
-  Map<Source, LineInfo> _lineInfoMap = new Map<Source, LineInfo>();
-  /**
-   * An empty array of errors used when no errors are expected.
-   */
-  static List<AnalysisError> _NO_ERRORS = new List<AnalysisError>(0);
-  /**
-   * Initialize a newly created error listener to collect errors.
-   */
-  GatheringErrorListener() : super() {
-    _jtd_constructor_304_impl();
-  }
-  _jtd_constructor_304_impl() {
-  }
-  /**
-   * Initialize a newly created error listener to collect errors.
-   */
-  GatheringErrorListener.con1(String rawSource2) {
-    _jtd_constructor_305_impl(rawSource2);
-  }
-  _jtd_constructor_305_impl(String rawSource2) {
-    this._rawSource = rawSource2;
-    this._markedSource = rawSource2;
-  }
-  /**
-   * Assert that the number of errors that have been gathered matches the number of errors that are
-   * given and that they have the expected error codes and locations. The order in which the errors
-   * were gathered is ignored.
-   * @param errorCodes the errors that should have been gathered
-   * @throws AssertionFailedError if a different number of errors have been gathered than were
-   * expected or if they do not have the same codes and locations
-   */
-  void assertErrors(List<AnalysisError> expectedErrors) {
-    if (_errors.length != expectedErrors.length) {
-      fail(expectedErrors);
-    }
-    List<AnalysisError> remainingErrors = new List<AnalysisError>();
-    for (AnalysisError error in expectedErrors) {
-      remainingErrors.add(error);
-    }
-    for (AnalysisError error in _errors) {
-      if (!foundAndRemoved(remainingErrors, error)) {
-        fail(expectedErrors);
-      }
-    }
-  }
-  /**
-   * Assert that the number of errors that have been gathered matches the number of errors that are
-   * given and that they have the expected error codes. The order in which the errors were gathered
-   * is ignored.
-   * @param expectedErrorCodes the error codes of the errors that should have been gathered
-   * @throws AssertionFailedError if a different number of errors have been gathered than were
-   * expected
-   */
-  void assertErrors2(List<ErrorCode> expectedErrorCodes) {
-    JavaStringBuilder builder = new JavaStringBuilder();
-    Map<ErrorCode, int> expectedCounts = new Map<ErrorCode, int>();
-    for (ErrorCode code in expectedErrorCodes) {
-      int count = expectedCounts[code];
-      if (count == null) {
-        count = 1;
-      } else {
-        count = count + 1;
-      }
-      expectedCounts[code] = count;
-    }
-    Map<ErrorCode, List<AnalysisError>> errorsByCode = new Map<ErrorCode, List<AnalysisError>>();
-    for (AnalysisError error in _errors) {
-      ErrorCode code = error.errorCode;
-      List<AnalysisError> list = errorsByCode[code];
-      if (list == null) {
-        list = new List<AnalysisError>();
-        errorsByCode[code] = list;
-      }
-      list.add(error);
-    }
-    for (MapEntry<ErrorCode, int> entry in getMapEntrySet(expectedCounts)) {
-      ErrorCode code = entry.getKey();
-      int expectedCount = entry.getValue();
-      int actualCount;
-      List<AnalysisError> list = errorsByCode.remove(code);
-      if (list == null) {
-        actualCount = 0;
-      } else {
-        actualCount = list.length;
-      }
-      if (actualCount != expectedCount) {
-        if (builder.length == 0) {
-          builder.append("Expected ");
-        } else {
-          builder.append("; ");
-        }
-        builder.append(expectedCount);
-        builder.append(" errors of type ");
-        builder.append(code);
-        builder.append(", found ");
-        builder.append(actualCount);
-      }
-    }
-    for (MapEntry<ErrorCode, List<AnalysisError>> entry in getMapEntrySet(errorsByCode)) {
-      ErrorCode code = entry.getKey();
-      List<AnalysisError> actualErrors = entry.getValue();
-      int actualCount = actualErrors.length;
-      if (builder.length == 0) {
-        builder.append("Expected ");
-      } else {
-        builder.append("; ");
-      }
-      builder.append("0 errors of type ");
-      builder.append(code);
-      builder.append(", found ");
-      builder.append(actualCount);
-      builder.append(" (");
-      for (int i = 0; i < actualErrors.length; i++) {
-        AnalysisError error = actualErrors[i];
-        if (i > 0) {
-          builder.append(", ");
-        }
-        builder.append(error.offset);
-      }
-      builder.append(")");
-    }
-    if (builder.length > 0) {
-      JUnitTestCase.fail(builder.toString());
-    }
-  }
-  /**
-   * Assert that the number of errors that have been gathered matches the number of severities that
-   * are given and that there are the same number of errors and warnings as specified by the
-   * argument. The order in which the errors were gathered is ignored.
-   * @param expectedSeverities the severities of the errors that should have been gathered
-   * @throws AssertionFailedError if a different number of errors have been gathered than were
-   * expected
-   */
-  void assertErrors3(List<ErrorSeverity> expectedSeverities) {
-    int expectedErrorCount = 0;
-    int expectedWarningCount = 0;
-    for (ErrorSeverity severity in expectedSeverities) {
-      if (identical(severity, ErrorSeverity.ERROR)) {
-        expectedErrorCount++;
-      } else {
-        expectedWarningCount++;
-      }
-    }
-    int actualErrorCount = 0;
-    int actualWarningCount = 0;
-    for (AnalysisError error in _errors) {
-      if (identical(error.errorCode.errorSeverity, ErrorSeverity.ERROR)) {
-        actualErrorCount++;
-      } else {
-        actualWarningCount++;
-      }
-    }
-    if (expectedErrorCount != actualErrorCount || expectedWarningCount != actualWarningCount) {
-      JUnitTestCase.fail("Expected ${expectedErrorCount} errors and ${expectedWarningCount} warnings, found ${actualErrorCount} errors and ${actualWarningCount} warnings");
-    }
-  }
-  /**
-   * Assert that no errors have been gathered.
-   * @throws AssertionFailedError if any errors have been gathered
-   */
-  void assertNoErrors() {
-    assertErrors(_NO_ERRORS);
-  }
-  /**
-   * Return the errors that were collected.
-   * @return the errors that were collected
-   */
-  List<AnalysisError> get errors => _errors;
-  /**
-   * Return {@code true} if an error with the given error code has been gathered.
-   * @param errorCode the error code being searched for
-   * @return {@code true} if an error with the given error code has been gathered
-   */
-  bool hasError(ErrorCode errorCode4) {
-    for (AnalysisError error in _errors) {
-      if (identical(error.errorCode, errorCode4)) {
-        return true;
-      }
-    }
-    return false;
-  }
-  void onError(AnalysisError error) {
-    if (_rawSource != null) {
-      int left = error.offset;
-      int right = left + error.length - 1;
-      _markedSource = "${_rawSource.substring(0, left)}^${_rawSource.substring(left, right)}^${_rawSource.substring(right)}";
-    }
-    _errors.add(error);
-  }
-  /**
-   * Set the line information associated with the given source to the given information.
-   * @param source the source with which the line information is associated
-   * @param lineStarts the line start information to be associated with the source
-   */
-  void setLineInfo(Source source, List<int> lineStarts) {
-    _lineInfoMap[source] = new LineInfo(lineStarts);
-  }
-  /**
-   * Set the line information associated with the given source to the given information.
-   * @param source the source with which the line information is associated
-   * @param lineInfo the line information to be associated with the source
-   */
-  void setLineInfo2(Source source, LineInfo lineInfo) {
-    _lineInfoMap[source] = lineInfo;
-  }
-  /**
-   * Return {@code true} if the two errors are equivalent.
-   * @param firstError the first error being compared
-   * @param secondError the second error being compared
-   * @return {@code true} if the two errors are equivalent
-   */
-  bool equals(AnalysisError firstError, AnalysisError secondError) => identical(firstError.errorCode, secondError.errorCode) && firstError.offset == secondError.offset && firstError.length == secondError.length && equals3(firstError.source, secondError.source);
-  /**
-   * Return {@code true} if the two sources are equivalent.
-   * @param firstSource the first source being compared
-   * @param secondSource the second source being compared
-   * @return {@code true} if the two sources are equivalent
-   */
-  bool equals3(Source firstSource, Source secondSource) {
-    if (firstSource == null) {
-      return secondSource == null;
-    } else if (secondSource == null) {
-      return false;
-    }
-    return firstSource == secondSource;
-  }
-  /**
-   * Assert that the number of errors that have been gathered matches the number of errors that are
-   * given and that they have the expected error codes. The order in which the errors were gathered
-   * is ignored.
-   * @param errorCodes the errors that should have been gathered
-   * @throws AssertionFailedError with
-   */
-  void fail(List<AnalysisError> expectedErrors) {
-    PrintStringWriter writer = new PrintStringWriter();
-    writer.print("Expected ");
-    writer.print(expectedErrors.length);
-    writer.print(" errors:");
-    for (AnalysisError error in expectedErrors) {
-      Source source11 = error.source;
-      LineInfo lineInfo = _lineInfoMap[source11];
-      writer.println();
-      if (lineInfo == null) {
-        int offset10 = error.offset;
-        writer.printf("  %s %s (%d..%d)", [source11 == null ? "" : source11.shortName, error.errorCode, offset10, offset10 + error.length]);
-      } else {
-        LineInfo_Location location = lineInfo.getLocation(error.offset);
-        writer.printf("  %s %s (%d, %d/%d)", [source11 == null ? "" : source11.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length]);
-      }
-    }
-    writer.println();
-    writer.print("found ");
-    writer.print(_errors.length);
-    writer.print(" errors:");
-    for (AnalysisError error in _errors) {
-      Source source12 = error.source;
-      LineInfo lineInfo = _lineInfoMap[source12];
-      writer.println();
-      if (lineInfo == null) {
-        int offset11 = error.offset;
-        writer.printf("  %s %s (%d..%d): %s", [source12 == null ? "" : source12.shortName, error.errorCode, offset11, offset11 + error.length, error.message]);
-      } else {
-        LineInfo_Location location = lineInfo.getLocation(error.offset);
-        writer.printf("  %s %s (%d, %d/%d): %s", [source12 == null ? "" : source12.shortName, error.errorCode, location.lineNumber, location.columnNumber, error.length, error.message]);
-      }
-    }
-    JUnitTestCase.fail(writer.toString());
-  }
-  /**
-   * Search through the given list of errors for an error that is equal to the target error. If one
-   * is found, remove it from the list and return {@code true}, otherwise return {@code false}without modifying the list.
-   * @param errors the errors through which we are searching
-   * @param targetError the error being searched for
-   * @return {@code true} if the error is found and removed from the list
-   */
-  bool foundAndRemoved(List<AnalysisError> errors, AnalysisError targetError) {
-    for (AnalysisError error in errors) {
-      if (equals(error, targetError)) {
-        errors.remove(error);
-        return true;
-      }
-    }
-    return true;
-  }
-}
-/**
- * The class {@code EngineTestCase} defines utility methods for making assertions.
- */
-class EngineTestCase extends JUnitTestCase {
-  static int _PRINT_RANGE = 6;
-  /**
-   * Assert that the tokens in the actual stream of tokens have the same types and lexemes as the
-   * tokens in the expected stream of tokens. Note that this does not assert anything about the
-   * offsets of the tokens (although the lengths will be equal).
-   * @param expectedStream the head of the stream of tokens that were expected
-   * @param actualStream the head of the stream of tokens that were actually found
-   * @throws AssertionFailedError if the two streams of tokens are not the same
-   */
-  static void assertAllMatch(Token expectedStream, Token actualStream) {
-    Token left = expectedStream;
-    Token right = actualStream;
-    while (left.type != TokenType.EOF && right.type != TokenType.EOF) {
-      assertMatches(left, right);
-      left = left.next;
-      right = right.next;
-    }
-  }
-  /**
-   * Assert that the array of actual values contain exactly the same values as those in the array of
-   * expected value, with the exception that the order of the elements is not required to be the
-   * same.
-   * @param expectedValues the values that are expected to be found
-   * @param actualValues the actual values that are being compared against the expected values
-   */
-  static void assertEqualsIgnoreOrder(List<Object> expectedValues, List<Object> actualValues) {
-    JUnitTestCase.assertNotNull(actualValues);
-    int expectedLength = expectedValues.length;
-    JUnitTestCase.assertEquals(expectedLength, actualValues.length);
-    List<bool> found = new List<bool>.filled(expectedLength, false);
-    for (int i = 0; i < expectedLength; i++) {
-      found[i] = false;
-    }
-    for (Object actualValue in actualValues) {
-      bool wasExpected = false;
-      for (int i = 0; i < expectedLength; i++) {
-        if (!found[i] && expectedValues[i] == actualValue) {
-          found[i] = true;
-          wasExpected = true;
-          break;
-        }
-      }
-      if (!wasExpected) {
-        JUnitTestCase.fail("The actual value ${actualValue} was not expected");
-      }
-    }
-  }
-  /**
-   * Assert that a given String is equal to an expected value.
-   * @param expected the expected String value
-   * @param actual the actual String value
-   */
-  static void assertEqualString(String expected, String actual) {
-    if (actual == null || expected == null) {
-      if (identical(actual, expected)) {
-        return;
-      }
-      if (actual == null) {
-        JUnitTestCase.assertTrueMsg("Content not as expected: is 'null' expected: ${expected}", false);
-      } else {
-        JUnitTestCase.assertTrueMsg("Content not as expected: expected 'null' is: ${actual}", false);
-      }
-    }
-    int diffPos = getDiffPos(expected, actual);
-    if (diffPos != -1) {
-      int diffAhead = Math.max(0, diffPos - _PRINT_RANGE);
-      int diffAfter = Math.min(actual.length, diffPos + _PRINT_RANGE);
-      String diffStr = "${actual.substring(diffAhead, diffPos)}^${actual.substring(diffPos, diffAfter)}";
-      String message = "Content not as expected: is\n${actual}\nDiffers at pos ${diffPos}: ${diffStr}\nexpected:\n${expected}";
-      JUnitTestCase.assertEqualsMsg(message, expected, actual);
-    }
-  }
-  /**
-   * Assert that the given list is non-{@code null} and has exactly expected elements.
-   * @param list the list being tested
-   * @param expectedElements the expected elements
-   * @throws AssertionFailedError if the list is {@code null} or does not have the expected elements
-   */
-  static void assertExactElements(List<Object> list, List<Object> expectedElements) {
-    int expectedSize = expectedElements.length;
-    if (list == null) {
-      JUnitTestCase.fail("Expected list of size ${expectedSize}; found null");
-    }
-    if (list.length != expectedSize) {
-      JUnitTestCase.fail("Expected list of size ${expectedSize}; contained ${list.length} elements");
-    }
-    for (int i = 0; i < expectedElements.length; i++) {
-      Object element = list[i];
-      Object expectedElement = expectedElements[i];
-      if (!element == expectedElement) {
-        JUnitTestCase.fail("Expected ${expectedElement} at [${i}]; found ${element}");
-      }
-    }
-  }
-  /**
-   * Assert that the given array is non-{@code null} and has exactly expected elements.
-   * @param array the array being tested
-   * @param expectedElements the expected elements
-   * @throws AssertionFailedError if the array is {@code null} or does not have the expected
-   * elements
-   */
-  static void assertExactElements2(List<Object> array, List<Object> expectedElements) {
-    int expectedSize = expectedElements.length;
-    if (array == null) {
-      JUnitTestCase.fail("Expected array of size ${expectedSize}; found null");
-    }
-    if (array.length != expectedSize) {
-      JUnitTestCase.fail("Expected array of size ${expectedSize}; contained ${array.length} elements");
-    }
-    for (int i = 0; i < expectedElements.length; i++) {
-      Object element = array[0];
-      Object expectedElement = expectedElements[i];
-      if (!element == expectedElement) {
-        JUnitTestCase.fail("Expected ${expectedElement} at [${i}]; found ${element}");
-      }
-    }
-  }
-  /**
-   * Assert that the given list is non-{@code null} and has exactly expected elements.
-   * @param set the list being tested
-   * @param expectedElements the expected elements
-   * @throws AssertionFailedError if the list is {@code null} or does not have the expected elements
-   */
-  static void assertExactElements3(Set<Object> set, List<Object> expectedElements) {
-    int expectedSize = expectedElements.length;
-    if (set == null) {
-      JUnitTestCase.fail("Expected list of size ${expectedSize}; found null");
-    }
-    if (set.length != expectedSize) {
-      JUnitTestCase.fail("Expected list of size ${expectedSize}; contained ${set.length} elements");
-    }
-    for (int i = 0; i < expectedElements.length; i++) {
-      Object expectedElement = expectedElements[i];
-      if (!set.contains(expectedElement)) {
-        JUnitTestCase.fail("Expected ${expectedElement} in set${set}");
-      }
-    }
-  }
-  /**
-   * Assert that the given object is an instance of the expected class.
-   * @param expectedClass the class that the object is expected to be an instance of
-   * @param object the object being tested
-   * @return the object that was being tested
-   * @throws Exception if the object is not an instance of the expected class
-   */
-  static Object assertInstanceOf(Type expectedClass, Object object) {
-    if (!isInstanceOf(object, expectedClass)) {
-      JUnitTestCase.fail("Expected instance of ${expectedClass.toString()}, found ${(object == null ? "null" : object.runtimeType.toString())}");
-    }
-    return object as Object;
-  }
-  /**
-   * Assert that the given array is non-{@code null} and has the expected number of elements.
-   * @param expectedLength the expected number of elements
-   * @param array the array being tested
-   * @throws AssertionFailedError if the array is {@code null} or does not have the expected number
-   * of elements
-   */
-  static void assertLength(int expectedLength, List<Object> array) {
-    if (array == null) {
-      JUnitTestCase.fail("Expected array of length ${expectedLength}; found null");
-    } else if (array.length != expectedLength) {
-      JUnitTestCase.fail("Expected array of length ${expectedLength}; contained ${array.length} elements");
-    }
-  }
-  /**
-   * Assert that the actual token has the same type and lexeme as the expected token. Note that this
-   * does not assert anything about the offsets of the tokens (although the lengths will be equal).
-   * @param expectedToken the token that was expected
-   * @param actualToken the token that was found
-   * @throws AssertionFailedError if the two tokens are not the same
-   */
-  static void assertMatches(Token expectedToken, Token actualToken) {
-    JUnitTestCase.assertEquals(expectedToken.type, actualToken.type);
-    if (expectedToken is KeywordToken) {
-      assertInstanceOf(KeywordToken, actualToken);
-      JUnitTestCase.assertEquals(((expectedToken as KeywordToken)).keyword, ((actualToken as KeywordToken)).keyword);
-    } else if (expectedToken is StringToken) {
-      assertInstanceOf(StringToken, actualToken);
-      JUnitTestCase.assertEquals(((expectedToken as StringToken)).lexeme, ((actualToken as StringToken)).lexeme);
-    }
-  }
-  /**
-   * Assert that the given list is non-{@code null} and has the expected number of elements.
-   * @param expectedSize the expected number of elements
-   * @param list the list being tested
-   * @throws AssertionFailedError if the list is {@code null} or does not have the expected number
-   * of elements
-   */
-  static void assertSize(int expectedSize, List<Object> list) {
-    if (list == null) {
-      JUnitTestCase.fail("Expected list of size ${expectedSize}; found null");
-    } else if (list.length != expectedSize) {
-      JUnitTestCase.fail("Expected list of size ${expectedSize}; contained ${list.length} elements");
-    }
-  }
-  /**
-   * Assert that the given map is non-{@code null} and has the expected number of elements.
-   * @param expectedSize the expected number of elements
-   * @param map the map being tested
-   * @throws AssertionFailedError if the map is {@code null} or does not have the expected number of
-   * elements
-   */
-  static void assertSize2(int expectedSize, Map<Object, Object> map) {
-    if (map == null) {
-      JUnitTestCase.fail("Expected map of size ${expectedSize}; found null");
-    } else if (map.length != expectedSize) {
-      JUnitTestCase.fail("Expected map of size ${expectedSize}; contained ${map.length} elements");
-    }
-  }
-  /**
-   * Convert the given array of lines into a single source string.
-   * @param lines the lines to be merged into a single source string
-   * @return the source string composed of the given lines
-   */
-  static String createSource(List<String> lines) {
-    PrintStringWriter writer = new PrintStringWriter();
-    for (String line in lines) {
-      writer.printlnObject(line);
-    }
-    return writer.toString();
-  }
-  /**
-   * Calculate the offset where the given strings differ.
-   * @param str1 the first String to compare
-   * @param str2 the second String to compare
-   * @return the offset at which the strings differ (or <code>-1</code> if they do not)
-   */
-  static int getDiffPos(String str1, String str2) {
-    int len1 = Math.min(str1.length, str2.length);
-    int diffPos = -1;
-    for (int i = 0; i < len1; i++) {
-      if (str1.codeUnitAt(i) != str2.codeUnitAt(i)) {
-        diffPos = i;
-        break;
-      }
-    }
-    if (diffPos == -1 && str1.length != str2.length) {
-      diffPos = len1;
-    }
-    return diffPos;
-  }
-  /**
-   * Return the getter in the given type with the given name. Inherited getters are ignored.
-   * @param type the type in which the getter is declared
-   * @param getterName the name of the getter to be returned
-   * @return the property accessor element representing the getter with the given name
-   */
-  PropertyAccessorElement getGetter(InterfaceType type, String getterName) {
-    for (PropertyAccessorElement accessor in type.element.accessors) {
-      if (accessor.isGetter() && accessor.name == getterName) {
-        return accessor;
-      }
-    }
-    JUnitTestCase.fail("Could not find getter named ${getterName} in ${type.name}");
-    return null;
-  }
-  /**
-   * Return the method in the given type with the given name. Inherited methods are ignored.
-   * @param type the type in which the method is declared
-   * @param methodName the name of the method to be returned
-   * @return the method element representing the method with the given name
-   */
-  MethodElement getMethod(InterfaceType type, String methodName) {
-    for (MethodElement method in type.element.methods) {
-      if (method.name == methodName) {
-        return method;
-      }
-    }
-    JUnitTestCase.fail("Could not find method named ${methodName} in ${type.name}");
-    return null;
-  }
-  static dartSuite() {
-    _ut.group('EngineTestCase', () {
-    });
-  }
-}
-main() {
-}
-
-class TestSource implements Source {
-  bool operator ==(Object object) {
-    return this == object;
-  }
-  void getContents(Source_ContentReceiver receiver) {
-    throw new UnsupportedOperationException();
-  }
-  String get fullName {
-    throw new UnsupportedOperationException();
-  }
-  String get shortName {
-    throw new UnsupportedOperationException();
-  }
-  String get encoding {
-    throw new UnsupportedOperationException();
-  }
-  int get modificationStamp {
-    throw new UnsupportedOperationException();
-  }
-  bool exists() => true;
-  bool isInSystemLibrary() {
-    throw new UnsupportedOperationException();
-  }
-  Source resolve(String uri) {
-    throw new UnsupportedOperationException();
-  }
-  Source resolveRelative(Uri uri) {
-    throw new UnsupportedOperationException();
-  }
-}
-
-/**
- * Wrapper around [Function] which should be called with [target] and [arguments].
- */
-class MethodTrampoline {
-  int parameterCount;
-  Function trampoline;
-  MethodTrampoline(this.parameterCount, this.trampoline);
-  Object invoke(target, List arguments) {
-    if (arguments.length != parameterCount) {
-      throw new IllegalArgumentException("${arguments.length} != $parameterCount");
-    }
-    switch (parameterCount) {
-      case 0:
-        return trampoline(target);
-      case 1:
-        return trampoline(target, arguments[0]);
-      case 2:
-        return trampoline(target, arguments[0], arguments[1]);
-      case 3:
-        return trampoline(target, arguments[0], arguments[1], arguments[2]);
-      case 4:
-        return trampoline(target, arguments[0], arguments[1], arguments[2], arguments[3]);
-      default:
-        throw new IllegalArgumentException("Not implemented for > 4 arguments");
-    }
-  }
-}