public JsFunction mapFunction(Node fnNode) throws JsParserException { int nodeType = fnNode.getType(); assert nodeType == TokenStream.FUNCTION : "Expected function node, got: " + TokenStream.tokenToName(nodeType); Node fromFnNameNode = fnNode.getFirstChild(); Node fromParamNode = fnNode.getFirstChild().getNext().getFirstChild(); Node fromBodyNode = fnNode.getFirstChild().getNext().getNext(); JsFunction toFn = scopeContext.enterFunction(); // Decide the function's name, if any. // String fnNameIdent = fromFnNameNode.getString(); if (fnNameIdent != null && fnNameIdent.length() > 0) { scopeContext.globalNameFor(fnNameIdent); } while (fromParamNode != null) { String fromParamName = fromParamNode.getString(); JsName name = scopeContext.localNameFor(fromParamName); toFn.getParameters().add(new JsParameter(name)); fromParamNode = fromParamNode.getNext(); } // Map the function's body. // JsBlock toBody = mapBlock(fromBodyNode); toFn.setBody(toBody); scopeContext.exitFunction(); return toFn; }