#1702: Cannot resume dead coroutine
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Reporter: hanekomu | Type: bug
Status: new | Priority: normal
Milestone: | Component: none
Version: 2.5.0 | Severity: medium
Keywords: | Lang:
Patch: | Platform:
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Comment(by mikehh):
just to confirm this
I extracted the example from the pir book - chapter 6:
{{{
# example from pir book - chapter 6
#
.sub 'MyCoro'
.yield(1)
.yield(2)
.yield(3)
.return(4)
.end
.sub 'main' :main
$I0 = MyCoro() # 1
$I0 = MyCoro() # 2
$I0 = MyCoro() # 3
$I0 = MyCoro() # 4
$I0 = MyCoro() # 1
$I0 = MyCoro() # 2
$I0 = MyCoro() # 3
$I0 = MyCoro() # 4
$I0 = MyCoro() # 1
$I0 = MyCoro() # 2
$I0 = MyCoro() # 3
$I0 = MyCoro() # 4
.end
}}}
I ran it against my latest parrot build - r47979 - Ubuntu 9.10 amd64 (g++
with --optimize)
{{{
m...@mhb-desktop:~/parrot$ parrot -t test_coroutine.pir
0010 set_args PC10
0012 set P0, PC7 P0=PMCNULL
PC7=Coroutine=PMC(0x10cf3f0)
0015 invokecc P0
P0=Coroutine=PMC(0x10cf3f0)
0000 set_returns PC1 (1), 1
0003 yield
0017 get_results PC8 (1), I0
PC8=FixedIntegerArray=PMC(0x11140d0) I0=0
001a set_args PC10
001c set P1, PC7 P1=PMCNULL
PC7=Coroutine=PMC(0x10cf3f0)
001f invokecc P1
P1=Coroutine=PMC(0x10cf3f0)
0004 set_returns PC1 (1), 2
0007 yield
0021 get_results PC8 (1), I0
PC8=FixedIntegerArray=PMC(0x11140d0) I0=1
0024 set_args PC10
0026 set P2, PC7 P2=PMCNULL
PC7=Coroutine=PMC(0x10cf3f0)
0029 invokecc P2
P2=Coroutine=PMC(0x10cf3f0)
0008 set_returns PC1 (1), 3
000b yield
002b get_results PC8 (1), I0
PC8=FixedIntegerArray=PMC(0x11140d0) I0=2
002e set_args PC10
0030 set P3, PC7 P3=PMCNULL
PC7=Coroutine=PMC(0x10cf3f0)
0033 invokecc P3
P3=Coroutine=PMC(0x10cf3f0)
000c set_returns PC1 (1), 4
000f returncc
0017 get_results PC8 (1), I0
PC8=FixedIntegerArray=PMC(0x11140d0) I0=3
001a set_args PC10
001c set P1, PC7
P1=Coroutine=PMC(0x10cf3f0) PC7=Coroutine=PMC(0x10cf3f0)
001f invokecc P1
P1=Coroutine=PMC(0x10cf3f0)
Cannot resume dead coroutine.
current instr.: 'main' pc 33 (test_coroutine.pir:12)
FileHandle objects (like stdout and stderr)are about to be closed, so
clearing trace flags.
}}}
--
Ticket URL: <https://trac.parrot.org/parrot/ticket/1702#comment:1>
Parrot <https://trac.parrot.org/parrot/>
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