[Issue 3391] New: gdb: dynamic arrays and associative arrays are not properly printed
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Mon Oct 12 16:08:36 PDT 2009
http://d.puremagic.com/issues/show_bug.cgi?id=3391
Summary: gdb: dynamic arrays and associative arrays are not
properly printed
Product: D
Version: 1.048
Platform: x86
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nobody at puremagic.com
ReportedBy: llucax at gmail.com
--- Comment #0 from Leandro Lucarella <llucax at gmail.com> 2009-10-12 16:08:36 PDT ---
DMD 1.049/2.034
---------------
$ cat -n bug.d
1 version (Tango) alias char[] string;
2 void main(string[] args)
3 {
4 float[2] f;
5 f[0] = 1.45;
6 f[1] = 3.45;
7 int[] i;
8 i ~= 5;
9 i ~= 15;
10 char[string] h;
11 h["foo"] = 'f';
12 h["bar"] = 'b';
13 *(args.ptr + 1_000_000) = "boom";
14 }
$ dmd -gc bug.d
$ gdb --quiet ./bug
Reading symbols from ./bug...done.
(gdb) run 1 2 3
Starting program: ./bug
[Thread debugging using libthread_db enabled]
Program received signal SIGSEGV, Segmentation fault.
0x08049bd2 in _Dmain (args=578452242739232769) at bug.d:13
13 *(args.ptr + 1_000_000) = "boom";
Current language: auto
The current source language is "auto; currently d".
(gdb) print i
$1 = 13246370664958394370
(gdb) print f
$2 = {1.45000005, 3.45000005}
(gdb) print h
$3 = (void *) 0xb7d48fe0
(gdb) print args
$4 = 578452242739232769
LDC does a pretty good job with dynamic arrays (including char[] as strings):
Program received signal SIGSEGV, Segmentation fault.
0x08049718 in _Dmain (args=...) at ./bug.d:13
13 *(args.ptr + 1_000_000) = "boom";
(gdb) print i
$1 = {5, 15}
(gdb) print args
$2 = {"./bug", "1", "2", "3"}
Associative arrays seems to be not very well handled by any current compiler...
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