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Refactor default return values of callbacks of perl/python modules

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See #1424
This commit is contained in:
Alexey Sokolov
2017-12-17 22:03:47 +00:00
parent 79ec016f05
commit ddd3023d5d
5 changed files with 35 additions and 68 deletions
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modules/modperl/codegen.pl
+12 -35
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@@ -45,13 +45,6 @@ print $out <<'EOF';
* Don't change it manually. *
***************************************************************************/
/*#include "module.h"
#include "swigperlrun.h"
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#include "pstring.h"*/
namespace {
template<class T>
struct SvToPtr {
@@ -73,15 +66,8 @@ namespace {
return static_cast<CModule::EModRet>(SvUV(sv));
}
}
/*
#define PSTART dSP; I32 ax; int ret = 0; ENTER; SAVETMPS; PUSHMARK(SP)
#define PCALL(name) PUTBACK; ret = call_pv(name, G_EVAL|G_ARRAY); SPAGAIN; SP -= ret; ax = (SP - PL_stack_base) + 1
#define PEND PUTBACK; FREETMPS; LEAVE
#define PUSH_STR(s) XPUSHs(PString(s).GetSV())
#define PUSH_PTR(type, p) XPUSHs(SWIG_NewInstanceObj(const_cast<type>(p), SWIG_TypeQuery(#type), SWIG_SHADOW))
*/
#define PSTART_IDF(Func) PSTART; XPUSHs(GetPerlObj()); PUSH_STR(#Func)
#define PCALLMOD(Error, Success) PCALL("ZNC::Core::CallModFunc"); if (SvTRUE(ERRSV)) { DEBUG("Perl hook died with: " + PString(ERRSV)); Error; } else { Success; } PEND
#define PCALLMOD(Error, Success) PCALL("ZNC::Core::CallModFunc"); if (SvTRUE(ERRSV)) { DEBUG("Perl hook died with: " + PString(ERRSV)); Error; } else { if (!SvIV(ST(0))) { Error; } Success; } PEND
EOF
@@ -89,30 +75,18 @@ while (<$in>) {
my ($type, $name, $args, $default) = /(\S+)\s+(\w+)\((.*)\)(?:=(\w+))?/ or next;
$type =~ s/(EModRet)/CModule::$1/;
$type =~ s/^\s*(.*?)\s*$/$1/;
unless (defined $default) {
given ($type) {
when ('bool') { $default = 'true' }
when ('CModule::EModRet') { $default = 'CONTINUE' }
when ('CString') { $default = '""' }
when (/\*$/) { $default = "($type)nullptr" }
}
}
my @arg = map {
my ($t, $v) = /^\s*(.*\W)\s*(\w+)\s*$/;
$t =~ s/^\s*(.*?)\s*$/$1/;
my ($tt, $tm) = $t =~ /^(.*?)\s*?(\*|&)?$/;
{type=>$t, var=>$v, base=>$tt, mod=>$tm//''}
} split /,/, $args;
say $out "$type CPerlModule::$name($args) {";
say $out "\t$type result = $default;" if $type ne 'void';
say $out "\tPSTART_IDF($name);";
given ($type) {
when ('CString') { print $out "\tPUSH_STR($default);" }
when (/\*$/) { my $t=$type; $t=~s/^const//; print $out "\tPUSH_PTR($t, $default);" }
when ('void') { print $out "\tmXPUSHi(0);" }
default { print $out "\tmXPUSHi(static_cast<int>($default));" }
unless (defined $default) {
$default = "CModule::$name(" . (join ', ', map { $_->{var} } @arg) . ")";
}
say $out " // Default value";
say $out "$type CPerlModule::$name($args) {";
say $out "\t$type result{};" if $type ne 'void';
say $out "\tPSTART_IDF($name);";
for my $a (@arg) {
given ($a->{type}) {
when (/(vector\s*<\s*(.*)\*\s*>)/) {
@@ -131,9 +105,12 @@ while (<$in>) {
default { say $out "\tmXPUSHi($a->{var});" }
}
}
say $out "\tPCALLMOD(,";
my $x = 0;
say $out "\t\tresult = ".sv($type)."(ST(0));" if $type ne 'void';
say $out "\tPCALLMOD(";
print $out "\t\t";
print $out "result = " if $type ne 'void';
say $out "$default;,";
my $x = 1;
say $out "\t\tresult = ".sv($type)."(ST(1));" if $type ne 'void';
for my $a (@arg) {
$x++;
say $out "\t\t$a->{var} = PString(ST($x));" if $a->{base} eq 'CString' && $a->{mod} eq '&';