MethodCallExpr.java revision 2611838bffef5a009ca71e3e9e59a93f29b098ed
1d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar/* 2d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * Copyright (C) 2015 The Android Open Source Project 3d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * 4d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * Licensed under the Apache License, Version 2.0 (the "License"); 5d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * you may not use this file except in compliance with the License. 6d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * You may obtain a copy of the License at 7d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * 8d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * http://www.apache.org/licenses/LICENSE-2.0 9d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * 10d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * Unless required by applicable law or agreed to in writing, software 11d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * distributed under the License is distributed on an "AS IS" BASIS, 12d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * See the License for the specific language governing permissions and 14d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar * limitations under the License. 15d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar */ 16d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 17fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountpackage android.databinding.tool.expr; 18d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 19fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountimport android.databinding.tool.reflection.Callable; 20fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountimport android.databinding.tool.reflection.Callable.Type; 21fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountimport android.databinding.tool.reflection.ModelAnalyzer; 22fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountimport android.databinding.tool.reflection.ModelClass; 23fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountimport android.databinding.tool.reflection.ModelMethod; 24fead9ca09b117136b35bc5bf137340a754f9edddGeorge Mountimport android.databinding.tool.util.L; 25d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 26d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyarimport java.util.ArrayList; 27d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyarimport java.util.Arrays; 28d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyarimport java.util.List; 29019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyarimport static android.databinding.tool.reflection.Callable.STATIC; 30019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyarimport static android.databinding.tool.reflection.Callable.DYNAMIC; 31019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyarimport static android.databinding.tool.reflection.Callable.CAN_BE_INVALIDATED; 32019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyar 33d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 34d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyarpublic class MethodCallExpr extends Expr { 35d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar final String mName; 36d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 37e6c6d3bf4fac3fa11c5780cfd3bc14cdb0caaea1George Mount Callable mGetter; 38d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 392611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar static List<Expr> concat(Expr e, List<Expr> list) { 402611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar List<Expr> merged = new ArrayList<>(); 412611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar merged.add(e); 422611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar merged.addAll(list); 432611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar return merged; 442611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar } 452611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar 46d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar MethodCallExpr(Expr target, String name, List<Expr> args) { 472611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar super(concat(target, args)); 48d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar mName = name; 49d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 50d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 51d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar @Override 5218243f6f1b7527272ef4feccdf4327d80d9f2241George Mount public void updateExpr(ModelAnalyzer modelAnalyzer) { 5318243f6f1b7527272ef4feccdf4327d80d9f2241George Mount resolveType(modelAnalyzer); 5418243f6f1b7527272ef4feccdf4327d80d9f2241George Mount super.updateExpr(modelAnalyzer); 5518243f6f1b7527272ef4feccdf4327d80d9f2241George Mount } 5618243f6f1b7527272ef4feccdf4327d80d9f2241George Mount 5718243f6f1b7527272ef4feccdf4327d80d9f2241George Mount @Override 5879fc7f3727815ab35bb1bb2e060bfb7db3176eedGeorge Mount protected ModelClass resolveType(ModelAnalyzer modelAnalyzer) { 59d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar if (mGetter == null) { 60895b618d9c6e3deb56465d0759cda57f50c46214Yigit Boyar List<ModelClass> args = new ArrayList<ModelClass>(); 617920e17f7b501d5792e7e3250e9dbb69eca86adeGeorge Mount for (Expr expr : getArgs()) { 62d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar args.add(expr.getResolvedType()); 63d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 6418243f6f1b7527272ef4feccdf4327d80d9f2241George Mount 6518243f6f1b7527272ef4feccdf4327d80d9f2241George Mount Expr target = getTarget(); 66a70fed6415aa1e8bbbe929aee776402ac3b81c86George Mount boolean isStatic = target instanceof StaticIdentifierExpr; 67fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount ModelMethod method = target.getResolvedType().getMethod(mName, args, isStatic); 68fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount if (method == null) { 69fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount String message = "cannot find method '" + mName + "' in class " + 70fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount target.getResolvedType().toJavaCode(); 71fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount IllegalArgumentException e = new IllegalArgumentException(message); 72fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount L.e(e, "cannot find method %s in class %s", mName, 73fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount target.getResolvedType().toJavaCode()); 74fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount throw e; 75fa9fe12980ef1103fabe33bf5ff0e2f53042a204George Mount } 76ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar if (!isStatic && method.isStatic()) { 77ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar // found a static method on an instance. Use class instead 78ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar target.getParents().remove(this); 79ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar getChildren().remove(target); 80ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar StaticIdentifierExpr staticId = getModel() 81ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar .staticIdentifierFor(target.getResolvedType()); 82ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar getChildren().add(staticId); 83ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar staticId.getParents().add(this); 84ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar // make sure we update this in case we access it below 85ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar target = getTarget(); 86ec2f3896c21a504b464bf591cdb45b62692b6760Yigit Boyar } 87019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyar int flags = DYNAMIC; 88019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyar if (method.isStatic()) { 89019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyar flags |= STATIC; 90019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyar } 91019c36b97c7c172ac03997f6bf170e65b2ed7fe4Yigit Boyar mGetter = new Callable(Type.METHOD, method.getName(), method.getReturnType(args), flags); 92d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 93d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar return mGetter.resolvedType; 94d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 95d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 96d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar @Override 97d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar protected List<Dependency> constructDependencies() { 98dc69f49d687ec036947f26a9bf9025a305de0721Yigit Boyar final List<Dependency> dependencies = constructDynamicChildrenDependencies(); 99dc69f49d687ec036947f26a9bf9025a305de0721Yigit Boyar for (Dependency dependency : dependencies) { 1007920e17f7b501d5792e7e3250e9dbb69eca86adeGeorge Mount if (dependency.getOther() == getTarget()) { 101dc69f49d687ec036947f26a9bf9025a305de0721Yigit Boyar dependency.setMandatory(true); 102dc69f49d687ec036947f26a9bf9025a305de0721Yigit Boyar } 103dc69f49d687ec036947f26a9bf9025a305de0721Yigit Boyar } 104dc69f49d687ec036947f26a9bf9025a305de0721Yigit Boyar return dependencies; 105d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 106d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 107d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar @Override 108d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar protected String computeUniqueKey() { 1092611838bffef5a009ca71e3e9e59a93f29b098edYigit Boyar return join(getTarget().computeUniqueKey(), mName, 1107920e17f7b501d5792e7e3250e9dbb69eca86adeGeorge Mount super.computeUniqueKey()); 111d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 112d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 113d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar public Expr getTarget() { 1147920e17f7b501d5792e7e3250e9dbb69eca86adeGeorge Mount return getChildren().get(0); 115d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 116d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 117d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar public String getName() { 118d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar return mName; 119d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 120d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 121d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar public List<Expr> getArgs() { 1227920e17f7b501d5792e7e3250e9dbb69eca86adeGeorge Mount return getChildren().subList(1, getChildren().size()); 123d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 124d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar 125e6c6d3bf4fac3fa11c5780cfd3bc14cdb0caaea1George Mount public Callable getGetter() { 126d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar return mGetter; 127d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar } 128d7af42b29ddf22f0068f7496c5ac6f4f34b543b6Yigit Boyar} 129