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“Oops!!!” when using --target=ast (^…) #6207

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p6rt opened this issue Apr 24, 2017 · 3 comments
Open

“Oops!!!” when using --target=ast (^…) #6207

p6rt opened this issue Apr 24, 2017 · 3 comments
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testneeded

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@p6rt
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p6rt commented Apr 24, 2017

Migrated from rt.perl.org#131206 (status was 'open')

Searchable as RT131206$
@p6rt
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p6rt commented Apr 24, 2017

From @AlexDaniel

Run this​:
perl6 --target=ast -e '^�'

And among normal lines from the output you will see these messages​:

Oops!!! Cannot invoke this object (REPR​: P6opaque; NQPMu)

I don't think it should happen.

Full output here​:

- QAST​::CompUnit :W<?> :UNIT<?>
  [pre_deserialize]
  - QAST​::Stmt
  - QAST​::Stmt
  - QAST​::Op(loadbytecode)
  - QAST​::VM
  [jvm]
  - QAST​::SVal(ModuleLoader.class)
  [moar]
  - QAST​::SVal(ModuleLoader.moarvm)
  - QAST​::Op(callmethod load_module)
  - QAST​::Op(gethllsym)
  - QAST​::SVal(nqp)
  - QAST​::SVal(ModuleLoader)
  - QAST​::SVal(Perl6​::ModuleLoader)
  - QAST​::Op(forceouterctx)
  - QAST​::BVal(2)
  - QAST​::Op(callmethod load_setting)
  - QAST​::Op(getcurhllsym)
  - QAST​::SVal(ModuleLoader)
  - QAST​::SVal(CORE)
  [post_deserialize]
  - QAST​::Stmts
  - QAST​::Op(bind)
  - QAST​::Var(attribute $!do)
  - QAST​::WVal(Block)
  - QAST​::WVal(Code)
  - QAST​::BVal(1)
  - QAST​::Op(bindcurhllsym)
  - QAST​::SVal(GLOBAL)
  - QAST​::WVal(GLOBAL)
  [load]
  - QAST​::Op(call)
  - QAST​::BVal(2)
  [children]
  - QAST​::Block :in_stmt_mod<?> ^â�¦
  - QAST​::Var(local __args__ :decl(param))
  - QAST​::Stmts
  - QAST​::Op(call)
  - QAST​::Block(​:blocktype(declaration_static)) :IN_DECL<mainline> :in_stmt_mod<?> :code_object<?> :outer<?>
  - QAST​::Stmts
  - QAST​::Var(lexical $¢ :decl(contvar))
  - QAST​::Var(lexical $! :decl(contvar))
  - QAST​::Var(lexical $/ :decl(contvar))
  - QAST​::Var(lexical $_ :decl(contvar))
  - QAST​::Var(lexical GLOBALish :decl(static))
  - QAST​::Var(lexical EXPORT :decl(static))
  - QAST​::Var(lexical $?PACKAGE :decl(static))
  - QAST​::Var(lexical :​:?PACKAGE :decl(static))
  - QAST​::Var(lexical $=finish :decl(static))
  - QAST​::Var(lexical $=pod :decl(static))
  [value]
  -
  - QAST​::Var(lexical !UNIT_MARKER :decl(static))
  - QAST​::VM
  [jvm]
  - QAST​::Op(null)
  [moar]
  - QAST​::Op(null)
  [loadlibs]
  - nqp_group nqp_ops perl6_ops bit_ops math_ops trans_ops io_ops obscure_ops os file sys_ops nqp_bigint_ops nqp_dyncall_ops
  - QAST​::Stmts
  - QAST​::Op(bind)
  - QAST​::Var(local ctxsave :decl(var))
  - QAST​::Var(contextual $*CTXSAVE)
  - QAST​::Op(unless)
  - QAST​::Op(isnull)
  - QAST​::Var(local ctxsave)
  - QAST​::Op(if)
  - QAST​::Op(can)
  - QAST​::Var(local ctxsave)
  - QAST​::SVal(ctxsave)
  - QAST​::Op(callmethod ctxsave)
  - QAST​::Var(local ctxsave)
  - QAST​::Stmts
  - QAST​::WVal(Array)
  - QAST​::Stmts <sunk> ^â�¦
  - QAST​::Stmt <sunk final> ^â�¦
  - QAST​::Want <sunk>
  - QAST​::Op(call &prefix​:<^>) <sunk> :statement_id<?> ^
  - QAST​::Op(call &fail) <wanted> â�¦
  - QAST​::Op(callmethod new) <wanted>
  - QAST​::WVal(X​::StubCode) <wanted>
Oops!!! Cannot invoke this object (REPR​: P6opaque; NQPMu)
  - v
  - QAST​::Op(p6sink)
  - QAST​::Op(call &prefix​:<^>) <sunk> :statement_id<?> ^
  - QAST​::Op(call &fail) <wanted> â�¦
  - QAST​::Op(callmethod new) <wanted>
  - QAST​::WVal(X​::StubCode) <wanted>
Oops!!! Cannot invoke this object (REPR​: P6opaque; NQPMu)
  - QAST​::WVal(Nil)

@p6rt
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p6rt commented Mar 10, 2018

From @dogbert17

On Mon, 24 Apr 2017 15​:32​:33 -0700, alex.jakimenko@​gmail.com wrote​:

Run this​:
perl6 --target=ast -e '^�'

And among normal lines from the output you will see these messages​:

Oops!!! Cannot invoke this object (REPR​: P6opaque; NQPMu)

I don't think it should happen.

Full output here​:

- QAST​::CompUnit :W<?> :UNIT<?>
[pre_deserialize]
- QAST​::Stmt
- QAST​::Stmt
- QAST​::Op(loadbytecode)
- QAST​::VM
[jvm]
- QAST​::SVal(ModuleLoader.class)
[moar]
- QAST​::SVal(ModuleLoader.moarvm)
- QAST​::Op(callmethod load_module)
- QAST​::Op(gethllsym)
- QAST​::SVal(nqp)
- QAST​::SVal(ModuleLoader)
- QAST​::SVal(Perl6​::ModuleLoader)
- QAST​::Op(forceouterctx)
- QAST​::BVal(2)
- QAST​::Op(callmethod load_setting)
- QAST​::Op(getcurhllsym)
- QAST​::SVal(ModuleLoader)
- QAST​::SVal(CORE)
[post_deserialize]
- QAST​::Stmts
- QAST​::Op(bind)
- QAST​::Var(attribute $!do)
- QAST​::WVal(Block)
- QAST​::WVal(Code)
- QAST​::BVal(1)
- QAST​::Op(bindcurhllsym)
- QAST​::SVal(GLOBAL)
- QAST​::WVal(GLOBAL)
[load]
- QAST​::Op(call)
- QAST​::BVal(2)
[children]
- QAST​::Block :in_stmt_mod<?> ^â�¦
- QAST​::Var(local __args__ :decl(param))
- QAST​::Stmts
- QAST​::Op(call)
- QAST​::Block(​:blocktype(declaration_static))
:IN_DECL<mainline> :in_stmt_mod<?> :code_object<?> :outer<?>
- QAST​::Stmts
- QAST​::Var(lexical $¢ :decl(contvar))
- QAST​::Var(lexical $! :decl(contvar))
- QAST​::Var(lexical $/ :decl(contvar))
- QAST​::Var(lexical $_ :decl(contvar))
- QAST​::Var(lexical GLOBALish :decl(static))
- QAST​::Var(lexical EXPORT :decl(static))
- QAST​::Var(lexical $?PACKAGE :decl(static))
- QAST​::Var(lexical :​:?PACKAGE :decl(static))
- QAST​::Var(lexical $=finish :decl(static))
- QAST​::Var(lexical $=pod :decl(static))
[value]
-
- QAST​::Var(lexical !UNIT_MARKER :decl(static))
- QAST​::VM
[jvm]
- QAST​::Op(null)
[moar]
- QAST​::Op(null)
[loadlibs]
- nqp_group nqp_ops perl6_ops bit_ops math_ops trans_ops
io_ops obscure_ops os file sys_ops nqp_bigint_ops nqp_dyncall_ops
- QAST​::Stmts
- QAST​::Op(bind)
- QAST​::Var(local ctxsave :decl(var))
- QAST​::Var(contextual $*CTXSAVE)
- QAST​::Op(unless)
- QAST​::Op(isnull)
- QAST​::Var(local ctxsave)
- QAST​::Op(if)
- QAST​::Op(can)
- QAST​::Var(local ctxsave)
- QAST​::SVal(ctxsave)
- QAST​::Op(callmethod ctxsave)
- QAST​::Var(local ctxsave)
- QAST​::Stmts
- QAST​::WVal(Array)
- QAST​::Stmts <sunk> ^â�¦
- QAST​::Stmt <sunk final> ^â�¦
- QAST​::Want <sunk>
- QAST​::Op(call &prefix​:<^>) <sunk> :statement_id<?>
^
- QAST​::Op(call &fail) <wanted> â�¦
- QAST​::Op(callmethod new) <wanted>
- QAST​::WVal(X​::StubCode) <wanted>
Oops!!! Cannot invoke this object (REPR​: P6opaque; NQPMu)
- v
- QAST​::Op(p6sink)
- QAST​::Op(call &prefix​:<^>) <sunk>
:statement_id<?> ^
- QAST​::Op(call &fail) <wanted> â�¦
- QAST​::Op(callmethod new) <wanted>
- QAST​::WVal(X​::StubCode) <wanted>
Oops!!! Cannot invoke this object (REPR​: P6opaque; NQPMu)
- QAST​::WVal(Nil)

Fixed with commit rakudo/rakudo@49dce16

Found by bisectbot++ using​:
bisect​: my $p = run :out, <perl6 --target=ast -e ^â�¦>; say $p.out.slurp-rest.contains​: â��Oopsâ��

Tests should not be added to roast, rather https://github.com/rakudo/rakudo/tree/master/t

@p6rt
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p6rt commented Mar 10, 2018

The RT System itself - Status changed from 'new' to 'open'

@p6rt p6rt added the testneeded label Jan 5, 2020
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