6569633: Varargs: parser error when varargs element type is an array

Mon, 24 Jan 2011 15:45:24 +0000

author
mcimadamore
date
Mon, 24 Jan 2011 15:45:24 +0000
changeset 831
812c6251ea78
parent 830
02e6e7dd1a64
child 832
57e3b9bc7fb8

6569633: Varargs: parser error when varargs element type is an array
Summary: explicit error message when old-style array syntax is mixed with varargs
Reviewed-by: jjg

src/share/classes/com/sun/tools/javac/parser/JavacParser.java file | annotate | diff | comparison | revisions
src/share/classes/com/sun/tools/javac/resources/compiler.properties file | annotate | diff | comparison | revisions
test/tools/javac/diags/examples/VarargsAndOldArraySyntax.java file | annotate | diff | comparison | revisions
test/tools/javac/varargs/6569633/T6569633.java file | annotate | diff | comparison | revisions
test/tools/javac/varargs/6569633/T6569633.out file | annotate | diff | comparison | revisions
     1.1 --- a/src/share/classes/com/sun/tools/javac/parser/JavacParser.java	Mon Jan 24 15:45:06 2011 +0000
     1.2 +++ b/src/share/classes/com/sun/tools/javac/parser/JavacParser.java	Mon Jan 24 15:45:24 2011 +0000
     1.3 @@ -2168,8 +2168,11 @@
     1.4      JCVariableDecl variableDeclaratorId(JCModifiers mods, JCExpression type) {
     1.5          int pos = S.pos();
     1.6          Name name = ident();
     1.7 -        if ((mods.flags & Flags.VARARGS) == 0)
     1.8 -            type = bracketsOpt(type);
     1.9 +        if ((mods.flags & Flags.VARARGS) != 0 &&
    1.10 +                S.token() == LBRACKET) {
    1.11 +            log.error(S.pos(), "varargs.and.old.array.syntax");
    1.12 +        }
    1.13 +        type = bracketsOpt(type);
    1.14          return toP(F.at(pos).VarDef(mods, name, type, null));
    1.15      }
    1.16  
     2.1 --- a/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Mon Jan 24 15:45:06 2011 +0000
     2.2 +++ b/src/share/classes/com/sun/tools/javac/resources/compiler.properties	Mon Jan 24 15:45:24 2011 +0000
     2.3 @@ -266,6 +266,8 @@
     2.4      hexadecimal numbers must contain at least one hexadecimal digit
     2.5  compiler.err.invalid.meth.decl.ret.type.req=\
     2.6      invalid method declaration; return type required
     2.7 +compiler.err.varargs.and.old.array.syntax=\
     2.8 +    legacy array notation not allowed on variable-arity parameter
     2.9  
    2.10  compiler.err.label.already.in.use=\
    2.11      label {0} already in use
     3.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     3.2 +++ b/test/tools/javac/diags/examples/VarargsAndOldArraySyntax.java	Mon Jan 24 15:45:24 2011 +0000
     3.3 @@ -0,0 +1,28 @@
     3.4 +/*
     3.5 + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
     3.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3.7 + *
     3.8 + * This code is free software; you can redistribute it and/or modify it
     3.9 + * under the terms of the GNU General Public License version 2 only, as
    3.10 + * published by the Free Software Foundation.
    3.11 + *
    3.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    3.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    3.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    3.15 + * version 2 for more details (a copy is included in the LICENSE file that
    3.16 + * accompanied this code).
    3.17 + *
    3.18 + * You should have received a copy of the GNU General Public License version
    3.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    3.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    3.21 + *
    3.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    3.23 + * or visit www.oracle.com if you need additional information or have any
    3.24 + * questions.
    3.25 + */
    3.26 +
    3.27 +// key: compiler.err.varargs.and.old.array.syntax
    3.28 +
    3.29 +class VarargsAndOldArraySyntax {
    3.30 +    void  m1 (Integer... i[]) { }
    3.31 +}
     4.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     4.2 +++ b/test/tools/javac/varargs/6569633/T6569633.java	Mon Jan 24 15:45:24 2011 +0000
     4.3 @@ -0,0 +1,13 @@
     4.4 +/*
     4.5 + * @test /nodynamiccopyright/
     4.6 + * @bug     6569633
     4.7 + * @author mcimadamore
     4.8 + * @summary  Varargs: parser error when varargs element type is an array
     4.9 + * @compile/fail/ref=T6569633.out -XDrawDiagnostics T6569633.java
    4.10 + */
    4.11 +
    4.12 +class T6569633 {
    4.13 +    void  m1 (Integer... i[]) { }
    4.14 +    void  m2 (Integer[]... i) { }
    4.15 +    void  m3 (Integer[]... i[]) { }
    4.16 +}
     5.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     5.2 +++ b/test/tools/javac/varargs/6569633/T6569633.out	Mon Jan 24 15:45:24 2011 +0000
     5.3 @@ -0,0 +1,3 @@
     5.4 +T6569633.java:10:27: compiler.err.varargs.and.old.array.syntax
     5.5 +T6569633.java:12:29: compiler.err.varargs.and.old.array.syntax
     5.6 +2 errors

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