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From: jmr@fulcrummicro.com To: gcc-gnats@gcc.gnu.org Subject: java/7298: Can't call method of outer class from inner constructor Date: Fri, 12 Jul 2002 18:46:00 -0000 [thread overview] Message-ID: <200207130140.g6D1e2121411@churchill.internal.avlsi.com> (raw) >Number: 7298 >Category: java >Synopsis: Can't call method of outer class from inner constructor >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: rejects-legal >Submitter-Id: net >Arrival-Date: Fri Jul 12 18:46:00 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Jesse Rosenstock >Release: 3.2 20020710 (experimental) >Organization: >Environment: System: Linux churchill 2.4.3-12 #1 Fri Jun 8 15:05:56 EDT 2001 i686 unknown Architecture: i686 host: i686-pc-linux-gnu build: i686-pc-linux-gnu target: i686-pc-linux-gnu configured with: ./configure --prefix=/home/user/jmr/app/gcc >Description: A method of an outer class cannot be called from the inner class constructor before the constructor for the inner class's superclass has been called. The outer class has been constructed, so this should be allowed. >How-To-Repeat: X.java: public class X { Object f() { return null; } class XX { XX() { this(f()); } XX(Object o) { } } } gcj -v X.java yields: Reading specs from /home/user/jmr/app/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.2/specs Reading specs from /home/user/jmr/app/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.2/../../../libgcj.spec rename spec lib to liborig Configured with: ./configure --prefix=/home/user/jmr/app/gcc Thread model: single gcc version 3.2 20020710 (experimental) /home/user/jmr/app/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.2/jc1 X.java -fno-use-divide-subroutine -fuse-boehm-gc -fnon-call-exceptions -fkeep-inline-functions -quiet -dumpbase X.java -g1 -version -o /tmp/ccZQXE2X.s GNU Java version 3.2 20020710 (experimental) (i686-pc-linux-gnu) compiled by GNU C version 2.96 20000731 (Red Hat Linux 7.1 2.96-85). Class path starts here: /home/user/jmr/gcj_test/inner2/ /home/user/jmr/app/gcc/share/java/libgcj-3.2.jar/ (system) (zip) X.java: In class `X$XX': X.java: In constructor `(X)': X.java:7: error: Can't reference `this' before the superclass constructor has been called. this(f()); ^ 1 error This works with javac. >Fix: This could be worked around by passing a reference to the outer class into the constructor. public class X { Object f() { return null; } class XX { XX(X x) { this(x.f()); } XX(Object o) { } } } >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2002-07-13 1:46 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-07-12 18:46 jmr [this message] 2003-05-12 20:26 Dara Hazeghi
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