hg: lambda/lambda/langtools: 8012003: Method diagnostics resolution need to be simplified in some cases (original) (raw)
Jonathan Gibbons jonathan.gibbons at oracle.com
Thu Apr 11 11:50:10 PDT 2013
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Nice!
-- Jon
On 04/11/2013 11:30 AM, maurizio.cimadamore at oracle.com wrote:
Changeset: 53cbb85eb634 Author: mcimadamore Date: 2013-04-11 19:26 +0100 URL: http://hg.openjdk.java.net/lambda/lambda/langtools/rev/53cbb85eb634
8012003: Method diagnostics resolution need to be simplified in some cases This patch adds a -Xdiags flag that can be set to either 'verbose' or 'compact' (latter being new default). If 'compact' is chosen, javac will try to simplify complex method resolution diagnostics. Example: Before: Test.java:10: error: method m in class Test cannot be applied to given types; m(()->1); ^ required: Runnable found: ()->1 reason: argument mismatch; bad return type in lambda expression int cannot be converted to void After: Test.java:10: error: incompatible types: bad return type in lambda expression m(()->1); ^ int cannot be converted to void ! src/share/classes/com/sun/tools/javac/comp/Attr.java ! src/share/classes/com/sun/tools/javac/comp/Resolve.java ! src/share/classes/com/sun/tools/javac/main/JavaCompiler.java ! src/share/classes/com/sun/tools/javac/main/Option.java ! src/share/classes/com/sun/tools/javac/resources/compiler.properties ! src/share/classes/com/sun/tools/javac/resources/javac.properties ! src/share/classes/com/sun/tools/javac/util/JCDiagnostic.java ! src/share/classes/com/sun/tools/javac/util/List.java ! src/share/classes/com/sun/tools/javac/util/Log.java + test/tools/javac/Diagnostics/compressed/T8012003a.java + test/tools/javac/Diagnostics/compressed/T8012003a.out + test/tools/javac/Diagnostics/compressed/T8012003b.java + test/tools/javac/Diagnostics/compressed/T8012003b.out + test/tools/javac/Diagnostics/compressed/T8012003c.java + test/tools/javac/Diagnostics/compressed/T8012003c.out + test/tools/javac/diags/examples/CompressedDiags.java ! test/tools/javac/diags/examples/KindnameConstructor.java + test/tools/javac/diags/examples/ProbFoundReqFragment.java ! test/tools/javac/lambda/TargetType66.out
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