Remove backends.

compiler/java/com/google/dart/compiler/backend/js/ast/JsFunction.java

Index: compiler/java/com/google/dart/compiler/backend/js/ast/JsFunction.java
diff --git a/compiler/java/com/google/dart/compiler/backend/js/ast/JsFunction.java b/compiler/java/com/google/dart/compiler/backend/js/ast/JsFunction.java
deleted file mode 100644
index 956f114e4772c11dabd2bd2f577d74c1fe0ad71a..0000000000000000000000000000000000000000
--- a/compiler/java/com/google/dart/compiler/backend/js/ast/JsFunction.java
+++ /dev/null
@@ -1,225 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-package com.google.dart.compiler.backend.js.ast;
-
-import com.google.dart.compiler.common.SourceInfo;
-import com.google.dart.compiler.common.Symbol;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Represents a JavaScript function expression.
- */
-public final class JsFunction extends JsLiteral implements HasName {
-
-  private static void trace(String title, String code) {
-    System.out.println("---------------------------");
-    System.out.println(title + ":");
-    System.out.println("---------------------------");
-    System.out.println(code);
-  }
-
-  protected JsBlock body;
-  protected final List<JsParameter> params = new ArrayList<JsParameter>();
-  protected final JsScope scope;
-  private boolean artificiallyRescued;
-  private boolean executeOnce;
-  private boolean fromDart;
-  private JsFunction impliedExecute;
-  private JsName name;
-  private boolean trace = false;
-  private boolean traceFirst = true;
-  private boolean hoisted = false;
-  private boolean constructor = false;
-
-  /**
-   * Creates an anonymous function.
-   */
-  public JsFunction(JsScope parent) {
-    this(parent, null, false);
-  }
-
-  /**
-   * Creates a function that is not derived from Dart source.
-   */
-  public JsFunction(JsScope parent, JsName name) {
-    this(parent, name, false);
-  }
-
-  /**
-   * Creates a named function, possibly derived from Dart source.
-   */
-  public JsFunction(JsScope parent, JsName name, boolean fromDart) {
-    assert (parent != null);
-    this.fromDart = fromDart;
-    setName(name);
-    String scopeName = (name == null) ? "<anonymous>" : name.getIdent();
-    scopeName = "function " + scopeName;
-    this.scope = new JsScope(parent, scopeName);
-  }
-
-  public JsBlock getBody() {
-    return body;
-  }
-
-  /**
-   * If true, this indicates that only the first invocation of the function will
-   * have any effects. Subsequent invocations may be considered to be no-op
-   * calls whose return value is ignored.
-   */
-  public boolean getExecuteOnce() {
-    return executeOnce;
-  }
-
-  public JsFunction getImpliedExecute() {
-    return impliedExecute;
-  }
-
-  @Override
-  public JsName getName() {
-    return name;
-  }
-
-  @Override
-  public Symbol getSymbol() {
-    return name;
-  }
-
-  public List<JsParameter> getParameters() {
-    return params;
-  }
-
-  public JsScope getScope() {
-    return scope;
-  }
-
-  @Override
-  public boolean hasSideEffects() {
-    // If there's a name, the name is assigned to.
-    return name != null;
-  }
-
-  public boolean isArtificiallyRescued() {
-    return artificiallyRescued;
-  }
-
-  @Override
-  public boolean isBooleanFalse() {
-    return false;
-  }
-
-  @Override
-  public boolean isBooleanTrue() {
-    return true;
-  }
-
-  @Override
-  public boolean isDefinitelyNotNull() {
-    return true;
-  }
-
-  @Override
-  public boolean isDefinitelyNull() {
-    return false;
-  }
-
-  public boolean isFromDart() {
-    return fromDart;
-  }
-
-  public void setArtificiallyRescued(boolean rescued) {
-    this.artificiallyRescued = rescued;
-  }
-
-  public void setBody(JsBlock body) {
-    this.body = body;
-  }
-
-  public void setExecuteOnce(boolean executeOnce) {
-    this.executeOnce = executeOnce;
-  }
-
-  public void setFromDart(boolean fromDart) {
-    this.fromDart = fromDart;
-  }
-
-  public void setImpliedExecute(JsFunction impliedExecute) {
-    this.impliedExecute = impliedExecute;
-  }
-
-  public void setName(JsName name) {
-    this.name = name;
-    if (name != null) {
-      if (isFromDart()) {
-        name.setStaticRef(this);
-      }
-    }
-  }
-
-  public void setTrace() {
-    this.trace = true;
-  }
-
-  @Override
-  public void traverse(JsVisitor v, JsContext ctx) {
-    String before = null;
-    if (trace && v instanceof JsModVisitor) {
-      before = this.toSource();
-      if (traceFirst) {
-        traceFirst = false;
-        trace("SCRIPT INITIAL", before);
-      }
-    }
-    if (v.visit(this, ctx)) {
-      v.acceptWithInsertRemove(params);
-      body = v.accept(body);
-    }
-    v.endVisit(this, ctx);
-    if (trace && v instanceof JsModVisitor) {
-      String after = this.toSource();
-      if (!after.equals(before)) {
-        String title = v.getClass().getSimpleName();
-        trace(title, after);
-      }
-    }
-  }
-
-  public void setHoisted() {
-    hoisted = true;
-  }
-
-  /** Whether the function has been hoisted */
-  public boolean isHoisted() {
-    return hoisted;
-  }
-
-  /**
-   * Rebase the function to a new scope.
-   * @param newScopeParent The scope to add the function to.
-   */
-  public void rebaseScope(JsScope newScopeParent) {
-    this.scope.rebase(newScopeParent);
-  }
-
-  @Override
-  public JsFunction setSourceRef(SourceInfo info) {
-    super.setSourceRef(info);
-    return this;
-  }
-
-  public boolean isConstructor() {
-    return this.constructor;
-  }
-
-  public boolean setIsConstructor(boolean constructor) {
-    return this.constructor = constructor;
-  }
-
-  @Override
-  public NodeKind getKind() {
-    return NodeKind.FUNCTION;
-  }
-}