| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.royale.compiler.internal.codegen.typedefs.utils; |
| |
| import java.util.HashMap; |
| |
| import org.apache.royale.compiler.internal.codegen.typedefs.reference.BaseReference; |
| import org.apache.royale.compiler.internal.codegen.typedefs.reference.ClassReference; |
| import org.apache.royale.compiler.internal.codegen.typedefs.reference.ConstantReference; |
| import org.apache.royale.compiler.internal.codegen.typedefs.reference.ReferenceModel; |
| |
| import com.google.javascript.rhino.JSTypeExpression; |
| import com.google.javascript.rhino.jstype.JSType; |
| import com.google.javascript.rhino.jstype.NamedType; |
| import com.google.javascript.rhino.jstype.UnionType; |
| |
| public class JSTypeUtils |
| { |
| public static String toClassTypeString(ClassReference reference) |
| { |
| String type = getJsType(reference.getModel(), reference.getComment().getBaseType()).toString(); |
| return type; |
| } |
| |
| public static String toParamTypeString(BaseReference reference, String paramName) |
| { |
| JSTypeExpression expression = reference.getComment().getParameterType(paramName); |
| if (expression == null) |
| return "Object"; |
| |
| //most, if not all, types defined with @typedef don't actually exist in |
| //JS, so they cannot be instantiated. if a function uses one of these |
| //types for a parameter, that function will be impossible to call! |
| //we need to fall back to Object instead. |
| JSType jsType = getJsType(reference.getModel(), expression); |
| if(jsType instanceof NamedType) |
| { |
| ClassReference typeDef = reference.getModel().getTypeDefReference(jsType.getDisplayName()); |
| if(typeDef != null) |
| { |
| return "Object"; |
| } |
| } |
| |
| String type = toTypeExpressionString(reference, expression); |
| type = transformType(type); |
| |
| return type; |
| } |
| |
| public static String toReturnTypeString(BaseReference reference) |
| { |
| JSTypeExpression expression = reference.getComment().getReturnType(); |
| if (expression == null) |
| return "void"; |
| |
| String type = toTypeExpressionString(reference, expression); |
| type = transformType(type); |
| |
| return type; |
| } |
| |
| public static String toFieldTypeString(BaseReference reference) |
| { |
| JSTypeExpression expression = reference.getComment().getType(); |
| if (expression == null) |
| return "Object"; |
| |
| String type = toTypeExpressionString(reference, expression); |
| type = transformType(type); |
| |
| return type; |
| } |
| |
| public static String toEnumTypeString(BaseReference reference) |
| { |
| JSTypeExpression enumParameterType = reference.getComment().getEnumParameterType(); |
| String overrideStringType = transformType(reference.getModel().evaluate(enumParameterType).toAnnotationString()); |
| |
| return overrideStringType; |
| } |
| |
| public static String toConstantTypeString(ConstantReference reference) |
| { |
| JSTypeExpression expression = reference.getComment().getType(); |
| if (expression == null) |
| return "Object"; |
| |
| String type = toTypeExpressionString(reference, expression); |
| type = transformType(type); |
| |
| return type; |
| } |
| |
| //-------------------------------------------------------------------------- |
| |
| public static String transformType(String type) |
| { |
| // a comment in the type might contain |, so strip the comment first |
| String typeWithoutComment = type; |
| int startIndex = typeWithoutComment.indexOf(" /*"); |
| if (startIndex != -1) |
| { |
| int endIndex = typeWithoutComment.indexOf("*/", startIndex); |
| if (endIndex != -1) |
| { |
| typeWithoutComment = typeWithoutComment.substring(0, startIndex) + |
| typeWithoutComment.substring(endIndex + 2); |
| } |
| } |
| // XXX This is an error but, needs to be reduced in @param union |
| if (typeWithoutComment.indexOf("|") != -1) |
| return "Object"; |
| |
| HashMap<String, String> map = new HashMap<String, String>(); |
| map.put("?", "Object /* ? */"); |
| map.put("*", "*"); |
| map.put("string", "String"); |
| map.put("number", "Number"); |
| map.put("boolean", "Boolean"); |
| map.put("undefined", "Object /* undefined */"); |
| map.put("null", "Object /* null */"); |
| |
| if (map.containsKey(type)) |
| return map.get(type); |
| |
| return type; |
| } |
| |
| private static String toTypeExpressionString(BaseReference reference, JSTypeExpression expression) |
| { |
| JSType jsType = getJsType(reference.getModel(), expression); |
| String type = toTypeString(jsType); |
| return type; |
| } |
| |
| private static String toTypeString(JSType jsType) |
| { |
| String type = jsType.toString(); |
| |
| if (jsType.isFunctionType()) |
| { |
| return "Function /* " + type + " */"; |
| } |
| else if (jsType.isRecordType()) |
| { |
| return "Object /* " + type + " */"; |
| } |
| else if (type.equals("None")) |
| { |
| return "* /* " + type + " */"; |
| } |
| else |
| { |
| if (type.indexOf("Array<") == 0) |
| { |
| return "Array"; |
| } |
| else if (type.indexOf("Object<") == 0) |
| { |
| return "Object"; |
| } |
| } |
| |
| return type; |
| } |
| |
| private static JSType getJsType(ReferenceModel model, JSTypeExpression typeExpression) |
| { |
| JSType jsType = model.evaluate(typeExpression); |
| |
| if (jsType.isUnionType()) |
| { |
| UnionType ut = (UnionType) jsType; |
| JSType jsType2 = ut.restrictByNotNullOrUndefined(); |
| |
| if (!jsType2.isUnionType()) |
| jsType = jsType2; |
| } |
| |
| ClassReference typeDef = model.getTypeDefReference(jsType.getDisplayName()); |
| if (typeDef != null) |
| { |
| JSTypeExpression typeDefTypeExpression = typeDef.getComment().getTypedefType(); |
| if (typeDefTypeExpression != null) |
| { |
| JSType typeDefJSType = getJsType(model, typeDefTypeExpression); |
| if (typeDefJSType.isFunctionType()) |
| { |
| // I'm not sure what the implications would be when |
| // returning the JSType for any typedef, so I'm limiting it |
| // to function typedefs for now. this should be |
| // revisited eventually. -JT |
| jsType = typeDefJSType; |
| } |
| } |
| } |
| |
| return jsType; |
| } |
| } |