author | jlahoda |
Thu, 15 Jun 2017 13:44:42 +0200 | |
changeset 45504 | ea7475564d07 |
parent 45498 | 0848a6cbe2a3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.javac.comp; |
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import com.sun.source.tree.LambdaExpressionTree.BodyKind; |
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import com.sun.tools.javac.code.Flags; |
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import com.sun.tools.javac.code.Symbol; |
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import com.sun.tools.javac.code.Symtab; |
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import com.sun.tools.javac.code.Type; |
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import com.sun.tools.javac.code.Types.FunctionDescriptorLookupError; |
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import com.sun.tools.javac.comp.Attr.ResultInfo; |
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import com.sun.tools.javac.comp.Attr.TargetInfo; |
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import com.sun.tools.javac.comp.Check.CheckContext; |
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import com.sun.tools.javac.comp.DeferredAttr.AttrMode; |
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import com.sun.tools.javac.comp.DeferredAttr.DeferredAttrContext; |
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import com.sun.tools.javac.comp.DeferredAttr.DeferredType; |
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import com.sun.tools.javac.comp.DeferredAttr.DeferredTypeCompleter; |
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import com.sun.tools.javac.comp.DeferredAttr.LambdaReturnScanner; |
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import com.sun.tools.javac.comp.Infer.PartiallyInferredMethodType; |
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import com.sun.tools.javac.comp.Resolve.MethodResolutionPhase; |
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import com.sun.tools.javac.resources.CompilerProperties.Fragments; |
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import com.sun.tools.javac.tree.JCTree; |
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import com.sun.tools.javac.tree.JCTree.JCConditional; |
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import com.sun.tools.javac.tree.JCTree.JCExpression; |
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import com.sun.tools.javac.tree.JCTree.JCLambda; |
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import com.sun.tools.javac.tree.JCTree.JCLambda.ParameterKind; |
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import com.sun.tools.javac.tree.JCTree.JCMemberReference; |
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import com.sun.tools.javac.tree.JCTree.JCMethodInvocation; |
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import com.sun.tools.javac.tree.JCTree.JCNewClass; |
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import com.sun.tools.javac.tree.JCTree.JCParens; |
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import com.sun.tools.javac.tree.JCTree.JCReturn; |
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import com.sun.tools.javac.tree.TreeCopier; |
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import com.sun.tools.javac.tree.TreeInfo; |
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import com.sun.tools.javac.util.Assert; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.DiagnosticSource; |
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import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; |
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import com.sun.tools.javac.util.List; |
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import com.sun.tools.javac.util.ListBuffer; |
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import com.sun.tools.javac.util.Log; |
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import java.util.HashMap; |
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import java.util.LinkedHashMap; |
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import java.util.Map; |
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import java.util.Optional; |
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import java.util.function.Function; |
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import java.util.function.Supplier; |
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|
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import static com.sun.tools.javac.code.TypeTag.ARRAY; |
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import static com.sun.tools.javac.code.TypeTag.DEFERRED; |
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import static com.sun.tools.javac.code.TypeTag.FORALL; |
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import static com.sun.tools.javac.code.TypeTag.METHOD; |
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import static com.sun.tools.javac.code.TypeTag.VOID; |
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|
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/** |
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* This class performs attribution of method/constructor arguments when target-typing is enabled |
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* (source >= 8); for each argument that is potentially a poly expression, this class builds |
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* a rich representation (see {@link ArgumentType} which can then be used for performing fast overload |
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* checks without requiring multiple attribution passes over the same code. |
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* |
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* The attribution strategy for a given method/constructor argument A is as follows: |
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* |
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* - if A is potentially a poly expression (i.e. diamond instance creation expression), a speculative |
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* pass over A is performed; the results of such speculative attribution are then saved in a special |
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* type, so that enclosing overload resolution can be carried by simply checking compatibility against the |
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* type determined during this speculative pass. |
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* |
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* - if A is a standalone expression, regular atributtion takes place. |
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* |
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* To minimize the speculative work, a cache is used, so that already computed argument types |
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* associated with a given unique source location are never recomputed multiple times. |
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*/ |
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public class ArgumentAttr extends JCTree.Visitor { |
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|
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protected static final Context.Key<ArgumentAttr> methodAttrKey = new Context.Key<>(); |
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|
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private final DeferredAttr deferredAttr; |
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private final Attr attr; |
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private final Symtab syms; |
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private final Log log; |
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|
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/** Attribution environment to be used. */ |
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private Env<AttrContext> env; |
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/** Result of method attribution. */ |
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Type result; |
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|
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/** Cache for argument types; behavior is influences by the currrently selected cache policy. */ |
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Map<UniquePos, ArgumentType<?>> argumentTypeCache = new LinkedHashMap<>(); |
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public static ArgumentAttr instance(Context context) { |
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ArgumentAttr instance = context.get(methodAttrKey); |
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if (instance == null) |
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instance = new ArgumentAttr(context); |
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return instance; |
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} |
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protected ArgumentAttr(Context context) { |
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context.put(methodAttrKey, this); |
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deferredAttr = DeferredAttr.instance(context); |
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attr = Attr.instance(context); |
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syms = Symtab.instance(context); |
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log = Log.instance(context); |
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} |
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|
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/** |
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* Set the results of method attribution. |
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*/ |
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void setResult(JCExpression tree, Type type) { |
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result = type; |
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if (env.info.isSpeculative) { |
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//if we are in a speculative branch we can save the type in the tree itself |
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//as there's no risk of polluting the original tree. |
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tree.type = result; |
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} |
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} |
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|
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141 |
/** |
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* Checks a type in the speculative tree against a given result; the type can be either a plain |
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* type or an argument type,in which case a more complex check is required. |
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*/ |
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Type checkSpeculative(JCExpression expr, ResultInfo resultInfo) { |
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return checkSpeculative(expr, expr.type, resultInfo); |
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} |
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|
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149 |
/** |
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* Checks a type in the speculative tree against a given result; the type can be either a plain |
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* type or an argument type,in which case a more complex check is required. |
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*/ |
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Type checkSpeculative(DiagnosticPosition pos, Type t, ResultInfo resultInfo) { |
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if (t.hasTag(DEFERRED)) { |
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return ((DeferredType)t).check(resultInfo); |
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} else { |
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return resultInfo.check(pos, t); |
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} |
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} |
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|
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161 |
/** |
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* Returns a local caching context in which argument types can safely be cached without |
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* the risk of polluting enclosing contexts. This is useful when attempting speculative |
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* attribution of potentially erroneous expressions, which could end up polluting the cache. |
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*/ |
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LocalCacheContext withLocalCacheContext() { |
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return new LocalCacheContext(); |
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168 |
} |
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169 |
|
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170 |
/** |
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* Local cache context; this class keeps track of the previous cache and reverts to it |
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* when the {@link LocalCacheContext#leave()} method is called. |
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*/ |
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class LocalCacheContext { |
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Map<UniquePos, ArgumentType<?>> prevCache; |
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176 |
|
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public LocalCacheContext() { |
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this.prevCache = argumentTypeCache; |
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argumentTypeCache = new HashMap<>(); |
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180 |
} |
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181 |
|
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public void leave() { |
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argumentTypeCache = prevCache; |
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184 |
} |
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185 |
} |
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186 |
|
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187 |
/** |
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* Main entry point for attributing an argument with given tree and attribution environment. |
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189 |
*/ |
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Type attribArg(JCTree tree, Env<AttrContext> env) { |
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Env<AttrContext> prevEnv = this.env; |
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try { |
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this.env = env; |
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194 |
tree.accept(this); |
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195 |
return result; |
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196 |
} finally { |
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this.env = prevEnv; |
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198 |
} |
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199 |
} |
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200 |
|
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201 |
@Override |
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202 |
public void visitTree(JCTree that) { |
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203 |
//delegates to Attr |
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204 |
that.accept(attr); |
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205 |
result = attr.result; |
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206 |
} |
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|
207 |
|
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208 |
/** |
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209 |
* Process a method argument; this method takes care of performing a speculative pass over the |
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210 |
* argument tree and calling a well-defined entry point to build the argument type associated |
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211 |
* with such tree. |
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212 |
*/ |
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213 |
@SuppressWarnings("unchecked") |
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214 |
<T extends JCExpression, Z extends ArgumentType<T>> void processArg(T that, Function<T, Z> argumentTypeFactory) { |
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215 |
UniquePos pos = new UniquePos(that); |
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216 |
processArg(that, () -> { |
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217 |
T speculativeTree = (T)deferredAttr.attribSpeculative(that, env, attr.new MethodAttrInfo() { |
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218 |
@Override |
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protected boolean needsArgumentAttr(JCTree tree) { |
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return !new UniquePos(tree).equals(pos); |
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221 |
} |
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222 |
}); |
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return argumentTypeFactory.apply(speculativeTree); |
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224 |
}); |
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225 |
} |
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226 |
|
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227 |
/** |
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228 |
* Process a method argument; this method allows the caller to specify a custom speculative attribution |
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229 |
* logic (this is used e.g. for lambdas). |
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230 |
*/ |
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231 |
@SuppressWarnings("unchecked") |
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232 |
<T extends JCExpression, Z extends ArgumentType<T>> void processArg(T that, Supplier<Z> argumentTypeFactory) { |
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UniquePos pos = new UniquePos(that); |
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234 |
Z cached = (Z)argumentTypeCache.get(pos); |
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235 |
if (cached != null) { |
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236 |
//dup existing speculative type |
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setResult(that, cached.dup(that, env)); |
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238 |
} else { |
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Z res = argumentTypeFactory.get(); |
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argumentTypeCache.put(pos, res); |
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setResult(that, res); |
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242 |
} |
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243 |
} |
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244 |
|
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245 |
@Override |
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public void visitParens(JCParens that) { |
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processArg(that, speculativeTree -> new ParensType(that, env, speculativeTree)); |
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248 |
} |
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249 |
|
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250 |
@Override |
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251 |
public void visitConditional(JCConditional that) { |
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252 |
processArg(that, speculativeTree -> new ConditionalType(that, env, speculativeTree)); |
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253 |
} |
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254 |
|
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255 |
@Override |
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256 |
public void visitReference(JCMemberReference tree) { |
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257 |
//perform arity-based check |
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258 |
Env<AttrContext> localEnv = env.dup(tree); |
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259 |
JCExpression exprTree; |
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exprTree = (JCExpression)deferredAttr.attribSpeculative(tree.getQualifierExpression(), localEnv, |
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261 |
attr.memberReferenceQualifierResult(tree), |
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262 |
withLocalCacheContext()); |
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263 |
JCMemberReference mref2 = new TreeCopier<Void>(attr.make).copy(tree); |
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mref2.expr = exprTree; |
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265 |
Symbol lhsSym = TreeInfo.symbol(exprTree); |
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266 |
localEnv.info.selectSuper = lhsSym != null && lhsSym.name == lhsSym.name.table.names._super; |
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267 |
Symbol res = |
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268 |
attr.rs.getMemberReference(tree, localEnv, mref2, |
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269 |
exprTree.type, tree.name); |
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270 |
if (!res.kind.isResolutionError()) { |
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271 |
tree.sym = res; |
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272 |
} |
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273 |
if (res.kind.isResolutionTargetError() || |
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274 |
res.type != null && res.type.hasTag(FORALL) || |
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275 |
(res.flags() & Flags.VARARGS) != 0 || |
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276 |
(TreeInfo.isStaticSelector(exprTree, tree.name.table.names) && |
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277 |
exprTree.type.isRaw() && !exprTree.type.hasTag(ARRAY))) { |
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278 |
tree.setOverloadKind(JCMemberReference.OverloadKind.OVERLOADED); |
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279 |
} else { |
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tree.setOverloadKind(JCMemberReference.OverloadKind.UNOVERLOADED); |
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281 |
} |
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282 |
//return a plain old deferred type for this |
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283 |
setResult(tree, deferredAttr.new DeferredType(tree, env)); |
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284 |
} |
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285 |
|
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286 |
@Override |
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287 |
public void visitLambda(JCLambda that) { |
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288 |
if (that.paramKind == ParameterKind.EXPLICIT) { |
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289 |
//if lambda is explicit, we can save info in the corresponding argument type |
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290 |
processArg(that, () -> { |
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|
291 |
JCLambda speculativeLambda = |
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|
292 |
deferredAttr.attribSpeculativeLambda(that, env, attr.methodAttrInfo); |
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293 |
return new ExplicitLambdaType(that, env, speculativeLambda); |
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294 |
}); |
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295 |
} else { |
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296 |
//otherwise just use a deferred type |
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297 |
setResult(that, deferredAttr.new DeferredType(that, env)); |
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|
298 |
} |
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|
299 |
} |
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|
300 |
|
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|
301 |
@Override |
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|
302 |
public void visitApply(JCMethodInvocation that) { |
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|
303 |
if (that.getTypeArguments().isEmpty()) { |
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|
304 |
processArg(that, speculativeTree -> new ResolvedMethodType(that, env, speculativeTree)); |
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|
305 |
} else { |
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|
306 |
//not a poly expression, just call Attr |
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|
307 |
setResult(that, attr.attribTree(that, env, attr.unknownExprInfo)); |
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|
308 |
} |
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|
309 |
} |
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|
310 |
|
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|
311 |
@Override |
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|
312 |
public void visitNewClass(JCNewClass that) { |
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|
313 |
if (TreeInfo.isDiamond(that)) { |
55d136799f79
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|
314 |
processArg(that, speculativeTree -> new ResolvedConstructorType(that, env, speculativeTree)); |
55d136799f79
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mcimadamore
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|
315 |
} else { |
55d136799f79
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mcimadamore
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|
316 |
//not a poly expression, just call Attr |
55d136799f79
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|
317 |
setResult(that, attr.attribTree(that, env, attr.unknownExprInfo)); |
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|
318 |
} |
55d136799f79
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|
319 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
320 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
321 |
/** |
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|
322 |
* An argument type is similar to a plain deferred type; the most important difference is that |
55d136799f79
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mcimadamore
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|
323 |
* the completion logic associated with argument types allows speculative attribution to be skipped |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
324 |
* during overload resolution - that is, an argument type always has enough information to |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
325 |
* perform an overload check without the need of calling back to Attr. This extra information |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
326 |
* is typically stored in the form of a speculative tree. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
327 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
328 |
abstract class ArgumentType<T extends JCExpression> extends DeferredType implements DeferredTypeCompleter { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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changeset
|
329 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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changeset
|
330 |
/** The speculative tree carrying type information. */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
331 |
T speculativeTree; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
332 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
333 |
/** Types associated with this argument (one type per possible target result). */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
334 |
Map<ResultInfo, Type> speculativeTypes; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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diff
changeset
|
335 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
336 |
public ArgumentType(JCExpression tree, Env<AttrContext> env, T speculativeTree, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
337 |
deferredAttr.super(tree, env); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
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|
338 |
this.speculativeTree = speculativeTree; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
339 |
this.speculativeTypes = speculativeTypes; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
340 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
341 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
342 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
343 |
final DeferredTypeCompleter completer() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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diff
changeset
|
344 |
return this; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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changeset
|
345 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
346 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
347 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
348 |
final public Type complete(DeferredType dt, ResultInfo resultInfo, DeferredAttrContext deferredAttrContext) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
349 |
Assert.check(dt == this); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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changeset
|
350 |
if (deferredAttrContext.mode == AttrMode.SPECULATIVE) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
351 |
Type t = (resultInfo.pt == Type.recoveryType) ? |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
352 |
deferredAttr.basicCompleter.complete(dt, resultInfo, deferredAttrContext) : |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
353 |
overloadCheck(resultInfo, deferredAttrContext); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
354 |
speculativeTypes.put(resultInfo, t); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
355 |
return t; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
356 |
} else { |
32911
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8137269: Add better support for local caching in ArgumentAttr
mcimadamore
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|
357 |
if (!env.info.isSpeculative) { |
32709
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8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
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|
358 |
argumentTypeCache.remove(new UniquePos(dt.tree)); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
359 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
360 |
return deferredAttr.basicCompleter.complete(dt, resultInfo, deferredAttrContext); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
361 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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diff
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|
362 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
363 |
|
55d136799f79
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mcimadamore
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|
364 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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|
365 |
Type speculativeType(Symbol msym, MethodResolutionPhase phase) { |
38512
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8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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35417
diff
changeset
|
366 |
if (pertinentToApplicability) { |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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|
367 |
for (Map.Entry<ResultInfo, Type> _entry : speculativeTypes.entrySet()) { |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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|
368 |
DeferredAttrContext deferredAttrContext = _entry.getKey().checkContext.deferredAttrContext(); |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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|
369 |
if (deferredAttrContext.phase == phase && deferredAttrContext.msym == msym) { |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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|
370 |
return _entry.getValue(); |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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diff
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|
371 |
} |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
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diff
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|
372 |
} |
38512
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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|
373 |
return Type.noType; |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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diff
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|
374 |
} else { |
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
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diff
changeset
|
375 |
return super.speculativeType(msym, phase); |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
376 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
377 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
378 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
379 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
380 |
JCTree speculativeTree(DeferredAttrContext deferredAttrContext) { |
38512
c71e1cdd6674
8154180: Regression: stuck expressions do not behave correctly
mcimadamore
parents:
35417
diff
changeset
|
381 |
return pertinentToApplicability ? speculativeTree : super.speculativeTree(deferredAttrContext); |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
382 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
383 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
384 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
385 |
* Performs an overload check against a given target result. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
386 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
387 |
abstract Type overloadCheck(ResultInfo resultInfo, DeferredAttrContext deferredAttrContext); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
388 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
389 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
390 |
* Creates a copy of this argument type with given tree and environment. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
391 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
392 |
abstract ArgumentType<T> dup(T tree, Env<AttrContext> env); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
393 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
394 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
395 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
396 |
* Argument type for parenthesized expression. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
397 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
398 |
class ParensType extends ArgumentType<JCParens> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
399 |
ParensType(JCExpression tree, Env<AttrContext> env, JCParens speculativeParens) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
400 |
this(tree, env, speculativeParens, new HashMap<>()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
401 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
402 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
403 |
ParensType(JCExpression tree, Env<AttrContext> env, JCParens speculativeParens, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
404 |
super(tree, env, speculativeParens, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
405 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
406 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
407 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
408 |
Type overloadCheck(ResultInfo resultInfo, DeferredAttrContext deferredAttrContext) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
409 |
return checkSpeculative(speculativeTree.expr, resultInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
410 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
411 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
412 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
413 |
ArgumentType<JCParens> dup(JCParens tree, Env<AttrContext> env) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
414 |
return new ParensType(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
415 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
416 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
417 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
418 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
419 |
* Argument type for conditionals. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
420 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
421 |
class ConditionalType extends ArgumentType<JCConditional> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
422 |
ConditionalType(JCExpression tree, Env<AttrContext> env, JCConditional speculativeCond) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
423 |
this(tree, env, speculativeCond, new HashMap<>()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
424 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
425 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
426 |
ConditionalType(JCExpression tree, Env<AttrContext> env, JCConditional speculativeCond, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
427 |
super(tree, env, speculativeCond, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
428 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
429 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
430 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
431 |
Type overloadCheck(ResultInfo resultInfo, DeferredAttrContext deferredAttrContext) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
432 |
ResultInfo localInfo = resultInfo.dup(attr.conditionalContext(resultInfo.checkContext)); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
433 |
if (speculativeTree.isStandalone()) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
434 |
return localInfo.check(speculativeTree, speculativeTree.type); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
435 |
} else if (resultInfo.pt.hasTag(VOID)) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
436 |
//this means we are returning a poly conditional from void-compatible lambda expression |
45504
ea7475564d07
8170326: Inconsistencies between code, compiler.properties and comments
jlahoda
parents:
45498
diff
changeset
|
437 |
resultInfo.checkContext.report(tree, attr.diags.fragment(Fragments.ConditionalTargetCantBeVoid)); |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
438 |
return attr.types.createErrorType(resultInfo.pt); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
439 |
} else { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
440 |
//poly |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
441 |
checkSpeculative(speculativeTree.truepart, localInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
442 |
checkSpeculative(speculativeTree.falsepart, localInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
443 |
return localInfo.pt; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
444 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
445 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
446 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
447 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
448 |
ArgumentType<JCConditional> dup(JCConditional tree, Env<AttrContext> env) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
449 |
return new ConditionalType(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
450 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
451 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
452 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
453 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
454 |
* Argument type for explicit lambdas. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
455 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
456 |
class ExplicitLambdaType extends ArgumentType<JCLambda> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
457 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
458 |
/** List of argument types (lazily populated). */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
459 |
Optional<List<Type>> argtypes = Optional.empty(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
460 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
461 |
/** List of return expressions (lazily populated). */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
462 |
Optional<List<JCReturn>> returnExpressions = Optional.empty(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
463 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
464 |
ExplicitLambdaType(JCLambda originalLambda, Env<AttrContext> env, JCLambda speculativeLambda) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
465 |
this(originalLambda, env, speculativeLambda, new HashMap<>()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
466 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
467 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
468 |
ExplicitLambdaType(JCLambda originalLambda, Env<AttrContext> env, JCLambda speculativeLambda, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
469 |
super(originalLambda, env, speculativeLambda, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
470 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
471 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
472 |
/** Compute argument types (if needed). */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
473 |
List<Type> argtypes() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
474 |
return argtypes.orElseGet(() -> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
475 |
List<Type> res = TreeInfo.types(speculativeTree.params); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
476 |
argtypes = Optional.of(res); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
477 |
return res; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
478 |
}); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
479 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
480 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
481 |
/** Compute return expressions (if needed). */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
482 |
List<JCReturn> returnExpressions() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
483 |
return returnExpressions.orElseGet(() -> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
484 |
final List<JCReturn> res; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
485 |
if (speculativeTree.getBodyKind() == BodyKind.EXPRESSION) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
486 |
res = List.of(attr.make.Return((JCExpression)speculativeTree.body)); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
487 |
} else { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
488 |
ListBuffer<JCReturn> returnExpressions = new ListBuffer<>(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
489 |
new LambdaReturnScanner() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
490 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
491 |
public void visitReturn(JCReturn tree) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
492 |
returnExpressions.add(tree); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
493 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
494 |
}.scan(speculativeTree.body); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
495 |
res = returnExpressions.toList(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
496 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
497 |
returnExpressions = Optional.of(res); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
498 |
return res; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
499 |
}); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
500 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
501 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
502 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
503 |
Type overloadCheck(ResultInfo resultInfo, DeferredAttrContext deferredAttrContext) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
504 |
try { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
505 |
//compute target-type; this logic could be shared with Attr |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
506 |
TargetInfo targetInfo = attr.getTargetInfo(speculativeTree, resultInfo, argtypes()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
507 |
Type lambdaType = targetInfo.descriptor; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
508 |
Type currentTarget = targetInfo.target; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
509 |
//check compatibility |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
510 |
checkLambdaCompatible(lambdaType, resultInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
511 |
return currentTarget; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
512 |
} catch (FunctionDescriptorLookupError ex) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
513 |
resultInfo.checkContext.report(null, ex.getDiagnostic()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
514 |
return null; //cannot get here |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
515 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
516 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
517 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
518 |
/** Check lambda against given target result */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
519 |
private void checkLambdaCompatible(Type descriptor, ResultInfo resultInfo) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
520 |
CheckContext checkContext = resultInfo.checkContext; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
521 |
ResultInfo bodyResultInfo = attr.lambdaBodyResult(speculativeTree, descriptor, resultInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
522 |
for (JCReturn ret : returnExpressions()) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
523 |
Type t = getReturnType(ret); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
524 |
if (speculativeTree.getBodyKind() == BodyKind.EXPRESSION || !t.hasTag(VOID)) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
525 |
checkSpeculative(ret.expr, t, bodyResultInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
526 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
527 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
528 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
529 |
attr.checkLambdaCompatible(speculativeTree, descriptor, checkContext); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
530 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
531 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
532 |
/** Get the type associated with given return expression. */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
533 |
Type getReturnType(JCReturn ret) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
534 |
if (ret.expr == null) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
535 |
return syms.voidType; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
536 |
} else { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
537 |
return ret.expr.type; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
538 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
539 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
540 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
541 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
542 |
ArgumentType<JCLambda> dup(JCLambda tree, Env<AttrContext> env) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
543 |
return new ExplicitLambdaType(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
544 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
545 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
546 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
547 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
548 |
* Argument type for methods/constructors. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
549 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
550 |
abstract class ResolvedMemberType<E extends JCExpression> extends ArgumentType<E> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
551 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
552 |
public ResolvedMemberType(JCExpression tree, Env<AttrContext> env, E speculativeMethod, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
553 |
super(tree, env, speculativeMethod, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
554 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
555 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
556 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
557 |
Type overloadCheck(ResultInfo resultInfo, DeferredAttrContext deferredAttrContext) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
558 |
Type mtype = methodType(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
559 |
ResultInfo localInfo = resultInfo(resultInfo); |
45498
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
560 |
Type t; |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
561 |
if (mtype != null && mtype.hasTag(METHOD) && mtype.isPartial()) { |
45498
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
562 |
//poly invocation |
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
563 |
t = ((PartiallyInferredMethodType)mtype).check(localInfo); |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
564 |
} else { |
45498
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
565 |
//standalone invocation |
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
566 |
t = localInfo.check(tree.pos(), speculativeTree.type); |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
567 |
} |
45498
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
568 |
speculativeTypes.put(localInfo, t); |
0848a6cbe2a3
8175794: Type inference regression after JDK-8078093
vromero
parents:
44571
diff
changeset
|
569 |
return t; |
32709
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
570 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
571 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
572 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
573 |
* Get the result info to be used for performing an overload check. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
574 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
575 |
abstract ResultInfo resultInfo(ResultInfo resultInfo); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
576 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
577 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
578 |
* Get the method type to be used for performing an overload check. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
579 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
580 |
abstract Type methodType(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
581 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
582 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
583 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
584 |
* Argument type for methods. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
585 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
586 |
class ResolvedMethodType extends ResolvedMemberType<JCMethodInvocation> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
587 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
588 |
public ResolvedMethodType(JCExpression tree, Env<AttrContext> env, JCMethodInvocation speculativeTree) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
589 |
this(tree, env, speculativeTree, new HashMap<>()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
590 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
591 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
592 |
public ResolvedMethodType(JCExpression tree, Env<AttrContext> env, JCMethodInvocation speculativeTree, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
593 |
super(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
594 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
595 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
596 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
597 |
ResultInfo resultInfo(ResultInfo resultInfo) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
598 |
return resultInfo; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
599 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
600 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
601 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
602 |
Type methodType() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
603 |
return speculativeTree.meth.type; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
604 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
605 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
606 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
607 |
ArgumentType<JCMethodInvocation> dup(JCMethodInvocation tree, Env<AttrContext> env) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
608 |
return new ResolvedMethodType(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
609 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
610 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
611 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
612 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
613 |
* Argument type for constructors. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
614 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
615 |
class ResolvedConstructorType extends ResolvedMemberType<JCNewClass> { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
616 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
617 |
public ResolvedConstructorType(JCExpression tree, Env<AttrContext> env, JCNewClass speculativeTree) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
618 |
this(tree, env, speculativeTree, new HashMap<>()); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
619 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
620 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
621 |
public ResolvedConstructorType(JCExpression tree, Env<AttrContext> env, JCNewClass speculativeTree, Map<ResultInfo, Type> speculativeTypes) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
622 |
super(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
623 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
624 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
625 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
626 |
ResultInfo resultInfo(ResultInfo resultInfo) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
627 |
return resultInfo.dup(attr.diamondContext(speculativeTree, speculativeTree.clazz.type.tsym, resultInfo.checkContext)); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
628 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
629 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
630 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
631 |
Type methodType() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
632 |
return (speculativeTree.constructorType != null) ? |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
633 |
speculativeTree.constructorType.baseType() : syms.errType; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
634 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
635 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
636 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
637 |
ArgumentType<JCNewClass> dup(JCNewClass tree, Env<AttrContext> env) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
638 |
return new ResolvedConstructorType(tree, env, speculativeTree, speculativeTypes); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
639 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
640 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
641 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
642 |
/** |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
643 |
* An instance of this class represents a unique position in a compilation unit. A unique |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
644 |
* position is made up of (i) a unique position in a source file (char offset) and (ii) |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
645 |
* a source file info. |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
646 |
*/ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
647 |
class UniquePos { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
648 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
649 |
/** Char offset. */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
650 |
int pos; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
651 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
652 |
/** Source info. */ |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
653 |
DiagnosticSource source; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
654 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
655 |
UniquePos(JCTree tree) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
656 |
this.pos = tree.pos; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
657 |
this.source = log.currentSource(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
658 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
659 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
660 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
661 |
public int hashCode() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
662 |
return pos << 16 + source.hashCode(); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
663 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
664 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
665 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
666 |
public boolean equals(Object obj) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
667 |
if (obj instanceof UniquePos) { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
668 |
UniquePos that = (UniquePos)obj; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
669 |
return pos == that.pos && source == that.source; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
670 |
} else { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
671 |
return false; |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
672 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
673 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
674 |
|
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
675 |
@Override |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
676 |
public String toString() { |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
677 |
return source.getFile().getName() + " @ " + source.getLineNumber(pos); |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
678 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
679 |
} |
55d136799f79
8078093: Severe compiler performance regression Java 7 to 8 for nested method invocations
mcimadamore
parents:
diff
changeset
|
680 |
} |