Java Code Examples for org.mozilla.javascript.ast.FunctionNode#getProp()

The following examples show how to use org.mozilla.javascript.ast.FunctionNode#getProp() . 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: IRFactory.java    From JsDroidCmd with Mozilla Public License 2.0 4 votes vote down vote up 
private Node transformFunction(FunctionNode fn) {
    int functionType = fn.getFunctionType();
    int start = decompiler.markFunctionStart(functionType);
    Node mexpr = decompileFunctionHeader(fn);
    int index = currentScriptOrFn.addFunction(fn);

    PerFunctionVariables savedVars = new PerFunctionVariables(fn);
    try {
        // If we start needing to record much more codegen metadata during
        // function parsing, we should lump it all into a helper class.
        Node destructuring = (Node)fn.getProp(Node.DESTRUCTURING_PARAMS);
        fn.removeProp(Node.DESTRUCTURING_PARAMS);

        int lineno = fn.getBody().getLineno();
        ++nestingOfFunction;  // only for body, not params
        Node body = transform(fn.getBody());

        if (!fn.isExpressionClosure()) {
            decompiler.addToken(Token.RC);
        }
        fn.setEncodedSourceBounds(start, decompiler.markFunctionEnd(start));

        if (functionType != FunctionNode.FUNCTION_EXPRESSION && !fn.isExpressionClosure()) {
            // Add EOL only if function is not part of expression
            // since it gets SEMI + EOL from Statement in that case
            decompiler.addToken(Token.EOL);
        }

        if (destructuring != null) {
            body.addChildToFront(new Node(Token.EXPR_VOID,
                                          destructuring, lineno));
        }

        int syntheticType = fn.getFunctionType();
        Node pn = initFunction(fn, index, body, syntheticType);
        if (mexpr != null) {
            pn = createAssignment(Token.ASSIGN, mexpr, pn);
            if (syntheticType != FunctionNode.FUNCTION_EXPRESSION) {
                pn = createExprStatementNoReturn(pn, fn.getLineno());
            }
        }
        return pn;

    } finally {
        --nestingOfFunction;
        savedVars.restore();
    }
}
Example 2
Source File: IRFactory.java    From JsDroidCmd with Mozilla Public License 2.0 4 votes vote down vote up 
private Node transformGenExpr(GeneratorExpression node) {
    Node pn;
    
    FunctionNode fn = new FunctionNode();
    fn.setSourceName(currentScriptOrFn.getNextTempName());
    fn.setIsGenerator();
    fn.setFunctionType(FunctionNode.FUNCTION_EXPRESSION);
    fn.setRequiresActivation();
  
    int functionType = fn.getFunctionType();
    int start = decompiler.markFunctionStart(functionType);
    Node mexpr = decompileFunctionHeader(fn);
    int index = currentScriptOrFn.addFunction(fn);

    PerFunctionVariables savedVars = new PerFunctionVariables(fn);
    try {
        // If we start needing to record much more codegen metadata during
        // function parsing, we should lump it all into a helper class.
        Node destructuring = (Node)fn.getProp(Node.DESTRUCTURING_PARAMS);
        fn.removeProp(Node.DESTRUCTURING_PARAMS);

        int lineno = node.lineno;
        ++nestingOfFunction;  // only for body, not params
        Node body = genExprTransformHelper(node);

        if (!fn.isExpressionClosure()) {
            decompiler.addToken(Token.RC);
        }
        fn.setEncodedSourceBounds(start, decompiler.markFunctionEnd(start));

        if (functionType != FunctionNode.FUNCTION_EXPRESSION && !fn.isExpressionClosure()) {
            // Add EOL only if function is not part of expression
            // since it gets SEMI + EOL from Statement in that case
            decompiler.addToken(Token.EOL);
        }

        if (destructuring != null) {
            body.addChildToFront(new Node(Token.EXPR_VOID,
                                          destructuring, lineno));
        }

        int syntheticType = fn.getFunctionType();
        pn = initFunction(fn, index, body, syntheticType);
        if (mexpr != null) {
            pn = createAssignment(Token.ASSIGN, mexpr, pn);
            if (syntheticType != FunctionNode.FUNCTION_EXPRESSION) {
                pn = createExprStatementNoReturn(pn, fn.getLineno());
            }
        }
    } finally {
        --nestingOfFunction;
        savedVars.restore();
    }
   
    Node call = createCallOrNew(Token.CALL, pn);
    call.setLineno(node.getLineno());
    decompiler.addToken(Token.LP);
    decompiler.addToken(Token.RP);
    return call;
}