Java Code Examples for org.mozilla.javascript.ast.ScriptNode#getType()

The following examples show how to use org.mozilla.javascript.ast.ScriptNode#getType() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: NodeTransformer.java    From JsDroidCmd with Mozilla Public License 2.0 6 votes vote down vote up 
private void transformCompilationUnit(ScriptNode tree, boolean inStrictMode)
{
    loops = new ObjArray();
    loopEnds = new ObjArray();

    // to save against upchecks if no finally blocks are used.
    hasFinally = false;

    // Flatten all only if we are not using scope objects for block scope
    boolean createScopeObjects = tree.getType() != Token.FUNCTION ||
                              ((FunctionNode)tree).requiresActivation();
    tree.flattenSymbolTable(!createScopeObjects);

    //uncomment to print tree before transformation
    if (Token.printTrees) System.out.println(tree.toStringTree(tree));
    transformCompilationUnit_r(tree, tree, tree, createScopeObjects,
                               inStrictMode);
}
Example 2
Source File: NodeTransformer.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
private void transformCompilationUnit(ScriptNode tree)
{
    loops = new ObjArray();
    loopEnds = new ObjArray();

    // to save against upchecks if no finally blocks are used.
    hasFinally = false;

    // Flatten all only if we are not using scope objects for block scope
    boolean createScopeObjects = tree.getType() != Token.FUNCTION ||
                              ((FunctionNode)tree).requiresActivation();
    tree.flattenSymbolTable(!createScopeObjects);

    //uncomment to print tree before transformation
    if (Token.printTrees) System.out.println(tree.toStringTree(tree));
    boolean inStrictMode = tree instanceof AstRoot &&
                           ((AstRoot)tree).isInStrictMode();
    transformCompilationUnit_r(tree, tree, tree, createScopeObjects,
                               inStrictMode);
}
Example 3
Source File: OptTransformer.java    From JsDroidCmd with Mozilla Public License 2.0 4 votes vote down vote up 
private void detectDirectCall(Node node, ScriptNode tree)
{
    if (tree.getType() == Token.FUNCTION) {
        Node left = node.getFirstChild();

        // count the arguments
        int argCount = 0;
        Node arg = left.getNext();
        while (arg != null) {
            arg = arg.getNext();
            argCount++;
        }

        if (argCount == 0) {
            OptFunctionNode.get(tree).itsContainsCalls0 = true;
        }

        /*
         * Optimize a call site by converting call("a", b, c) into :
         *
         *  FunctionObjectFor"a" <-- instance variable init'd by constructor
         *
         *  // this is a DIRECTCALL node
         *  fn = GetProp(tmp = GetBase("a"), "a");
         *  if (fn == FunctionObjectFor"a")
         *      fn.call(tmp, b, c)
         *  else
         *      ScriptRuntime.Call(fn, tmp, b, c)
         */
        if (possibleDirectCalls != null) {
            String targetName = null;
            if (left.getType() == Token.NAME) {
                targetName = left.getString();
            } else if (left.getType() == Token.GETPROP) {
                targetName = left.getFirstChild().getNext().getString();
            } else if (left.getType() == Token.GETPROPNOWARN) {
                throw Kit.codeBug();
            }
            if (targetName != null) {
                OptFunctionNode ofn;
                ofn = possibleDirectCalls.get(targetName);
                if (ofn != null
                    && argCount == ofn.fnode.getParamCount()
                    && !ofn.fnode.requiresActivation())
                {
                    // Refuse to directCall any function with more
                    // than 32 parameters - prevent code explosion
                    // for wacky test cases
                    if (argCount <= 32) {
                        node.putProp(Node.DIRECTCALL_PROP, ofn);
                        if (!ofn.isTargetOfDirectCall()) {
                            int index = directCallTargets.size();
                            directCallTargets.add(ofn);
                            ofn.setDirectTargetIndex(index);
                        }
                    }
                }
            }
        }
    }
}
Example 4
Source File: OptTransformer.java    From astor with GNU General Public License v2.0 4 votes vote down vote up 
private void detectDirectCall(Node node, ScriptNode tree)
{
    if (tree.getType() == Token.FUNCTION) {
        Node left = node.getFirstChild();

        // count the arguments
        int argCount = 0;
        Node arg = left.getNext();
        while (arg != null) {
            arg = arg.getNext();
            argCount++;
        }

        if (argCount == 0) {
            OptFunctionNode.get(tree).itsContainsCalls0 = true;
        }

        /*
         * Optimize a call site by converting call("a", b, c) into :
         *
         *  FunctionObjectFor"a" <-- instance variable init'd by constructor
         *
         *  // this is a DIRECTCALL node
         *  fn = GetProp(tmp = GetBase("a"), "a");
         *  if (fn == FunctionObjectFor"a")
         *      fn.call(tmp, b, c)
         *  else
         *      ScriptRuntime.Call(fn, tmp, b, c)
         */
        if (possibleDirectCalls != null) {
            String targetName = null;
            if (left.getType() == Token.NAME) {
                targetName = left.getString();
            } else if (left.getType() == Token.GETPROP) {
                targetName = left.getFirstChild().getNext().getString();
            } else if (left.getType() == Token.GETPROPNOWARN) {
                throw Kit.codeBug();
            }
            if (targetName != null) {
                OptFunctionNode ofn;
                ofn = possibleDirectCalls.get(targetName);
                if (ofn != null
                    && argCount == ofn.fnode.getParamCount()
                    && !ofn.fnode.requiresActivation())
                {
                    // Refuse to directCall any function with more
                    // than 32 parameters - prevent code explosion
                    // for wacky test cases
                    if (argCount <= 32) {
                        node.putProp(Node.DIRECTCALL_PROP, ofn);
                        if (!ofn.isTargetOfDirectCall()) {
                            int index = directCallTargets.size();
                            directCallTargets.add(ofn);
                            ofn.setDirectTargetIndex(index);
                        }
                    }
                }
            }
        }
    }
}