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8008537: Missing method reference lookup error when unbound search finds a static method
Static-ness check should be applied after member reference resolution Reviewed-by: jjg
This commit is contained in:
Maurizio Cimadamore
parent
85067f7869
commit
f932d844c1
11 changed files with 123 additions and 58 deletions
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@ -2624,7 +2624,34 @@ public class Attr extends JCTree.Visitor {
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that.sym = refSym.baseSymbol();
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that.kind = lookupHelper.referenceKind(that.sym);
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if (desc.getReturnType() == Type.recoveryType) {
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// stop here
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result = that.type = target;
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return;
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}
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if (resultInfo.checkContext.deferredAttrContext().mode == AttrMode.CHECK) {
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if (!that.kind.isUnbound() &&
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that.getMode() == ReferenceMode.INVOKE &&
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TreeInfo.isStaticSelector(that.expr, names) &&
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!that.sym.isStatic()) {
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log.error(that.expr.pos(), "invalid.mref", Kinds.kindName(that.getMode()),
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diags.fragment("non-static.cant.be.ref", Kinds.kindName(refSym), refSym));
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result = that.type = types.createErrorType(target);
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return;
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}
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if (that.kind.isUnbound() &&
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that.getMode() == ReferenceMode.INVOKE &&
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TreeInfo.isStaticSelector(that.expr, names) &&
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that.sym.isStatic()) {
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log.error(that.expr.pos(), "invalid.mref", Kinds.kindName(that.getMode()),
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diags.fragment("static.method.in.unbound.lookup", Kinds.kindName(refSym), refSym));
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result = that.type = types.createErrorType(target);
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return;
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}
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if (that.sym.isStatic() && TreeInfo.isStaticSelector(that.expr, names) &&
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exprType.getTypeArguments().nonEmpty()) {
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//static ref with class type-args
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@ -2649,12 +2676,6 @@ public class Attr extends JCTree.Visitor {
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}
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}
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if (desc.getReturnType() == Type.recoveryType) {
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// stop here
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result = that.type = target;
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return;
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}
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that.sym = refSym.baseSymbol();
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that.kind = lookupHelper.referenceKind(that.sym);
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@ -2661,20 +2661,10 @@ public class Resolve {
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super(referenceTree, name, site, argtypes, typeargtypes, maxPhase);
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}
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protected Symbol lookupReferenceInternal(Env<AttrContext> env, MethodResolutionPhase phase) {
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return findMethod(env, site, name, argtypes, typeargtypes,
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phase.isBoxingRequired(), phase.isVarargsRequired(), syms.operatorNames.contains(name));
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}
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protected Symbol adjustLookupResult(Env<AttrContext> env, Symbol sym) {
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return !TreeInfo.isStaticSelector(referenceTree.expr, names) ||
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sym.kind != MTH ||
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sym.isStatic() ? sym : new StaticError(sym);
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}
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@Override
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final Symbol lookup(Env<AttrContext> env, MethodResolutionPhase phase) {
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return adjustLookupResult(env, lookupReferenceInternal(env, phase));
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return findMethod(env, site, name, argtypes, typeargtypes,
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phase.isBoxingRequired(), phase.isVarargsRequired(), syms.operatorNames.contains(name));
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}
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@Override
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@ -2720,11 +2710,6 @@ public class Resolve {
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}
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}
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@Override
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protected Symbol adjustLookupResult(Env<AttrContext> env, Symbol sym) {
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return sym.kind != MTH || !sym.isStatic() ? sym : new StaticError(sym);
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}
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@Override
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ReferenceLookupHelper unboundLookup() {
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return this;
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@ -1901,6 +1901,10 @@ compiler.err.non-static.cant.be.ref=\
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compiler.misc.non-static.cant.be.ref=\
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non-static {0} {1} cannot be referenced from a static context
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# 0: symbol kind, 1: symbol
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compiler.misc.static.method.in.unbound.lookup=\
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static {0} {1} found in unbound lookup
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## Both arguments ({0}, {1}) are "kindname"s. {0} is a comma-separated list
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## of kindnames (the list should be identical to that provided in source.
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compiler.err.unexpected.type=\
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@ -21,9 +21,8 @@
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* questions.
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*/
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// key: compiler.err.prob.found.req
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// key: compiler.misc.non-static.cant.be.ref
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// key: compiler.misc.invalid.mref
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// key: compiler.err.invalid.mref
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class NonStaticCantBeRefFragment {
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@ -0,0 +1,36 @@
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/*
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* Copyright (c) 2013, 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.
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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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// key: compiler.err.invalid.mref
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// key: compiler.misc.static.method.in.unbound.lookup
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class StaticBoundMref {
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interface SAM {
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void m(StaticBoundMref m);
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}
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SAM s = StaticBoundMref::m;
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static void m() { }
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}
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@ -48,19 +48,19 @@ class MethodReference22 {
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}
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static void test2() {
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SAM2 s1 = MethodReference22::m1; //ok
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call2(MethodReference22::m1); //ok
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SAM2 s2 = MethodReference22::m2; //ok
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call2(MethodReference22::m2); //ok
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SAM2 s3 = MethodReference22::m3; //fail
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call2(MethodReference22::m3); //fail
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SAM2 s4 = MethodReference22::m4; //fail
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call2(MethodReference22::m4); //fail
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SAM2 s1 = MethodReference22::m1; //ambiguous
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call2(MethodReference22::m1); //ambiguous
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SAM2 s2 = MethodReference22::m2; //ambiguous
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call2(MethodReference22::m2); //ambiguous
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SAM2 s3 = MethodReference22::m3; //ambiguous
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call2(MethodReference22::m3); //ambiguous
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SAM2 s4 = MethodReference22::m4; //ambiguous
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call2(MethodReference22::m4); //ambiguous
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}
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static void test3() {
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call3(MethodReference22::m1); //ok
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call3(MethodReference22::m2); //ambiguous
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call3(MethodReference22::m1); //fail
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call3(MethodReference22::m2); //ok
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call3(MethodReference22::m3); //ok
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call3(MethodReference22::m4); //fail
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}
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@ -1,11 +1,15 @@
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MethodReference22.java:40:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String)))
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MethodReference22.java:41:9: compiler.err.cant.apply.symbol: kindname.method, call1, MethodReference22.SAM1, @999, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String))))
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MethodReference22.java:46:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String)))
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MethodReference22.java:47:9: compiler.err.cant.apply.symbol: kindname.method, call1, MethodReference22.SAM1, @1270, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))))
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MethodReference22.java:55:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m3(MethodReference22,java.lang.String)))
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MethodReference22.java:56:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1574, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m3(MethodReference22,java.lang.String))))
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MethodReference22.java:40:19: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String))
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MethodReference22.java:41:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String))
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MethodReference22.java:46:19: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))
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MethodReference22.java:47:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))
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MethodReference22.java:51:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m1, kindname.method, m1(MethodReference22,java.lang.String), MethodReference22, kindname.method, m1(java.lang.String), MethodReference22))
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MethodReference22.java:52:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1401, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m1, kindname.method, m1(MethodReference22,java.lang.String), MethodReference22, kindname.method, m1(java.lang.String), MethodReference22)))
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MethodReference22.java:53:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m2, kindname.method, m2(MethodReference22,java.lang.String), MethodReference22, kindname.method, m2(java.lang.String), MethodReference22))
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MethodReference22.java:54:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1504, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m2, kindname.method, m2(MethodReference22,java.lang.String), MethodReference22, kindname.method, m2(java.lang.String), MethodReference22)))
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MethodReference22.java:55:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m3, kindname.method, m3(MethodReference22,java.lang.String), MethodReference22, kindname.method, m3(java.lang.String), MethodReference22))
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MethodReference22.java:56:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1607, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m3, kindname.method, m3(MethodReference22,java.lang.String), MethodReference22, kindname.method, m3(java.lang.String), MethodReference22)))
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MethodReference22.java:57:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22))
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MethodReference22.java:58:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1667, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22)))
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MethodReference22.java:63:9: compiler.err.ref.ambiguous: call3, kindname.method, call3(MethodReference22.SAM1), MethodReference22, kindname.method, call3(MethodReference22.SAM2), MethodReference22
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MethodReference22.java:65:9: compiler.err.cant.apply.symbols: kindname.method, call3, @1881,{(compiler.misc.inapplicable.method: kindname.method, MethodReference22, call3(MethodReference22.SAM1), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))))),(compiler.misc.inapplicable.method: kindname.method, MethodReference22, call3(MethodReference22.SAM2), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22))))}
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10 errors
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MethodReference22.java:58:9: compiler.err.cant.apply.symbol: kindname.method, call2, MethodReference22.SAM2, @1710, kindname.class, MethodReference22, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: m4, kindname.method, m4(MethodReference22,java.lang.String), MethodReference22, kindname.method, m4(java.lang.String), MethodReference22)))
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MethodReference22.java:62:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.String))
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MethodReference22.java:65:15: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m4(java.lang.String))
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14 errors
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@ -1,7 +1,7 @@
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MethodReference28.java:31:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, static_m2, java.lang.Integer,java.lang.Integer, int, kindname.class, MethodReference28, (compiler.misc.arg.length.mismatch)))
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MethodReference28.java:32:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, static_m3, java.lang.String, int, kindname.class, MethodReference28, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: int, java.lang.String))))
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MethodReference28.java:33:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, static_m4, java.lang.String[], int, kindname.class, MethodReference28, (compiler.misc.varargs.argument.mismatch: (compiler.misc.inconvertible.types: int, java.lang.String))))
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MethodReference28.java:37:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.Integer)))
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MethodReference28.java:37:19: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, m1(java.lang.Integer))
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MethodReference28.java:38:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m2, java.lang.Integer,java.lang.Integer, int, kindname.class, MethodReference28, (compiler.misc.arg.length.mismatch)))
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MethodReference28.java:39:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m3, java.lang.String, int, kindname.class, MethodReference28, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: int, java.lang.String))))
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MethodReference28.java:40:19: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m4, java.lang.String[], int, kindname.class, MethodReference28, (compiler.misc.varargs.argument.mismatch: (compiler.misc.inconvertible.types: int, java.lang.String))))
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@ -2,6 +2,6 @@ MethodReference51.java:39:21: compiler.err.invalid.mref: kindname.method, (compi
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MethodReference51.java:40:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, f, java.lang.String, int, kindname.class, MethodReference51, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: int, java.lang.String))))
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MethodReference51.java:41:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbols: kindname.method, g, int,{(compiler.misc.inapplicable.method: kindname.method, MethodReference51, g(java.lang.Integer,java.lang.Number), (compiler.misc.arg.length.mismatch)),(compiler.misc.inapplicable.method: kindname.method, MethodReference51, g(java.lang.Number,java.lang.Integer), (compiler.misc.arg.length.mismatch))}))
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MethodReference51.java:42:32: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.ref.ambiguous: g, kindname.method, g(java.lang.Integer,java.lang.Number), MethodReference51, kindname.method, g(java.lang.Number,java.lang.Integer), MethodReference51))
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MethodReference51.java:43:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, h(int)))
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MethodReference51.java:43:21: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, h(int))
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MethodReference51.java:44:21: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.not.def.access.class.intf.cant.access: j(int), MethodReference51.Foo))
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6 errors
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@ -29,10 +29,24 @@ class TargetType60 {
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void m012(String s) { }
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void m012(String s1, String s2) { }
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void n0() { }
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void n1(String s) { }
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void n2(TargetType60 rec, String s2) { }
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void n01() { }
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void n01(String s) { }
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void n012() { }
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void n012(String s) { }
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void n012(TargetType60 rec, String s2) { }
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static String g(Sam0 s) { return null; }
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static <U> U g(Sam1<U> s) { return null; }
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static <U> U g(Sam2<U,String> s) { return null; }
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static <U> U u(Sam1<U> s) { return null; }
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static <U> U u(Sam2<U,String> s) { return null; }
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void testBound() {
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String s1 = g(this::m0); //ok - resolves to g(Sam0)
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String s2 = g(this::m1); //ok - resolves to g(Sam1)
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@ -42,10 +56,10 @@ class TargetType60 {
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}
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static void testUnbound() {
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TargetType60 s1 = g(TargetType60::m0); //ok - resolves to g(Sam1)
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TargetType60 s2 = g(TargetType60::m1); //ok - resolves to g(Sam2)
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TargetType60 s3 = g(TargetType60::m2); //none is applicable
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TargetType60 s4 = g(TargetType60::m01);//ambiguous (g(Sam1), g(Sam2) apply)
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TargetType60 s5 = g(TargetType60::m012);//ambiguous (g(Sam1), g(Sam2) apply)
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TargetType60 s1 = u(TargetType60::n0); //ok - resolves to u(Sam1)
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TargetType60 s2 = u(TargetType60::n1); //ambiguous (u(Sam1), u(Sam2) apply)
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TargetType60 s3 = u(TargetType60::n2); //none is applicable
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TargetType60 s4 = u(TargetType60::n01);//ambiguous (u(Sam1), u(Sam2) apply)
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TargetType60 s5 = u(TargetType60::n012);//ambiguous (u(Sam1), u(Sam2) apply)
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}
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}
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@ -1,6 +1,8 @@
|
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TargetType60.java:40:21: compiler.err.ref.ambiguous: g, kindname.method, g(TargetType60.Sam0), TargetType60, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60
|
||||
TargetType60.java:41:21: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
TargetType60.java:47:27: compiler.err.cant.apply.symbols: kindname.method, g, @1304,{(compiler.misc.inapplicable.method: kindname.method, TargetType60, g(TargetType60.Sam0), (compiler.misc.no.conforming.assignment.exists: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, m2, java.lang.String,java.lang.String, compiler.misc.no.args, kindname.class, TargetType60, (compiler.misc.arg.length.mismatch))))),(compiler.misc.inapplicable.method: kindname.method, TargetType60, <U>g(TargetType60.Sam1<U>), (compiler.misc.infer.no.conforming.assignment.exists: U, (compiler.misc.incompatible.arg.types.in.mref))),(compiler.misc.inapplicable.method: kindname.method, TargetType60, <U>g(TargetType60.Sam2<U,java.lang.String>), (compiler.misc.infer.no.conforming.assignment.exists: U, (compiler.misc.incompatible.arg.types.in.mref)))}
|
||||
TargetType60.java:48:27: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
TargetType60.java:49:27: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
5 errors
|
||||
TargetType60.java:54:21: compiler.err.ref.ambiguous: g, kindname.method, g(TargetType60.Sam0), TargetType60, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60
|
||||
TargetType60.java:55:21: compiler.err.ref.ambiguous: g, kindname.method, <U>g(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>g(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
TargetType60.java:60:27: compiler.err.ref.ambiguous: u, kindname.method, <U>u(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>u(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
TargetType60.java:60:28: compiler.err.prob.found.req: (compiler.misc.infer.no.conforming.assignment.exists: U, (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, n1, java.lang.String, TargetType60, kindname.class, TargetType60, (compiler.misc.no.conforming.assignment.exists: (compiler.misc.inconvertible.types: TargetType60, java.lang.String)))))
|
||||
TargetType60.java:61:29: compiler.err.invalid.mref: kindname.method, (compiler.misc.non-static.cant.be.ref: kindname.method, n2(TargetType60,java.lang.String))
|
||||
TargetType60.java:62:27: compiler.err.ref.ambiguous: u, kindname.method, <U>u(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>u(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
TargetType60.java:63:27: compiler.err.ref.ambiguous: u, kindname.method, <U>u(TargetType60.Sam1<U>), TargetType60, kindname.method, <U>u(TargetType60.Sam2<U,java.lang.String>), TargetType60
|
||||
7 errors
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue