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sipify.pl
executable file
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sipify.pl
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#!/usr/bin/env perl
use strict;
use warnings;
use File::Basename;
use File::Spec;
use Getopt::Long;
use YAML::Tiny;
no if $] >= 5.018000, warnings => 'experimental::smartmatch';
use constant PRIVATE => 0;
use constant PROTECTED => 1;
use constant PUBLIC => 2;
use constant STRICT => 10;
use constant UNSTRICT => 11;
use constant MULTILINE_NO => 20;
use constant MULTILINE_METHOD => 21;
use constant MULTILINE_CONDITIONAL_STATEMENT => 22;
use constant CODE_SNIPPET => 30;
use constant CODE_SNIPPET_CPP => 31;
# read arguments
my $debug = 0;
my $sip_output = '';
my $python_output = '';
#my $SUPPORT_TEMPLATE_DOCSTRING = 0;
#die("usage: $0 [-debug] [-template-doc] headerfile\n") unless GetOptions ("debug" => \$debug, "template-doc" => \$SUPPORT_TEMPLATE_DOCSTRING) && @ARGV == 1;
die("usage: $0 [-debug] [-sip_output FILE] [-python_output FILE] headerfile\n")
unless GetOptions ("debug" => \$debug, "sip_output=s" => \$sip_output, "python_output=s" => \$python_output) && @ARGV == 1;
my $headerfile = $ARGV[0];
# read file
open(my $handle, "<", $headerfile) || die "Couldn't open '".$headerfile."' for reading because: ".$!;
chomp(my @INPUT_LINES = <$handle>);
close $handle;
# config
my $cfg_file = File::Spec->catfile( dirname(__FILE__), 'sipify.yaml' );
my $yaml = YAML::Tiny->read( $cfg_file );
my $SIP_CONFIG = $yaml->[0];
# contexts
my $SIP_RUN = 0;
my $HEADER_CODE = 0;
my @ACCESS = (PUBLIC);
my @CLASSNAME = ();
my @DECLARED_CLASSES = ();
my @EXPORTED = (0);
my $MULTILINE_DEFINITION = MULTILINE_NO;
my $ACTUAL_CLASS = '';
my $PYTHON_SIGNATURE = '';
my $INDENT = '';
my $COMMENT = '';
my $COMMENT_PARAM_LIST = 0;
my $COMMENT_LAST_LINE_NOTE_WARNING = 0;
my $COMMENT_CODE_SNIPPET = 0;
my $COMMENT_TEMPLATE_DOCSTRING = 0;
my $GLOB_IFDEF_NESTING_IDX = 0;
my @GLOB_BRACKET_NESTING_IDX = (0);
my $PRIVATE_SECTION_LINE = '';
my $RETURN_TYPE = '';
my $IS_OVERRIDE = 0;
my $IF_FEATURE_CONDITION = '';
my $FOUND_SINCE = 0;
my %QFLAG_HASH;
my $LINE_COUNT = @INPUT_LINES;
my $LINE_IDX = 0;
my $LINE;
my @OUTPUT = ();
my @OUTPUT_PYTHON = ();
sub read_line {
my $new_line = $INPUT_LINES[$LINE_IDX];
$LINE_IDX++;
$debug == 0 or print sprintf('LIN:%d DEPTH:%d ACC:%d BRCK:%d SIP:%d MLT:%d OVR: %d CLSS: %s/%d',
$LINE_IDX,
$#ACCESS,
$ACCESS[$#ACCESS],
$GLOB_BRACKET_NESTING_IDX[$#GLOB_BRACKET_NESTING_IDX],
$SIP_RUN,
$MULTILINE_DEFINITION,
$IS_OVERRIDE,
$ACTUAL_CLASS,
$#CLASSNAME)." :: ".$new_line."\n";
return $new_line;
}
sub write_output {
my ($dbg_code, $out) = @_;
if ($debug == 1){
$dbg_code = sprintf("%d %-4s :: ", $LINE_IDX, $dbg_code);
}
else{
$dbg_code = '';
}
push @OUTPUT, "%If ($IF_FEATURE_CONDITION)\n" if $IF_FEATURE_CONDITION ne '';
push @OUTPUT, $dbg_code.$out;
push @OUTPUT, "%End\n" if $IF_FEATURE_CONDITION ne '';
$IF_FEATURE_CONDITION = '';
}
sub dbg_info {
my $info = $_[0];
if ($debug == 1){
push @OUTPUT, $info."\n";
print $LINE_IDX." ".@ACCESS." ".$SIP_RUN." ".$MULTILINE_DEFINITION." ".$info."\n";
}
}
sub exit_with_error {
die "! Sipify error in $headerfile at line :: $LINE_IDX\n! $_[0]\n";
}
sub sip_header_footer {
my @header_footer = ();
# small hack to turn files src/core/3d/X.h to src/core/./3d/X.h
# otherwise "sip up to date" test fails. This is because the test uses %Include entries
# and over there we have to use ./3d/X.h entries because SIP parser does not allow a number
# as the first letter of a relative path
my $headerfile_x = $headerfile;
$headerfile_x =~ s/src\/core\/3d/src\/core\/.\/3d/;
push @header_footer, "/************************************************************************\n";
push @header_footer, " * This file has been generated automatically from *\n";
push @header_footer, " * *\n";
push @header_footer, sprintf " * %-*s *\n", 68, $headerfile_x;
push @header_footer, " * *\n";
push @header_footer, " * Do not edit manually ! Edit header and run scripts/sipify.pl again *\n";
push @header_footer, " ************************************************************************/\n";
return @header_footer;
}
sub python_header {
my @header = ();
my $headerfile_x = $headerfile;
$headerfile_x =~ s/src\/core\/3d/src\/core\/.\/3d/;
push @header, "# The following has been generated automatically from ";
push @header, sprintf "%s\n", $headerfile_x;
return @header;
}
sub processDoxygenLine {
my $line = $_[0];
# detect code snippet
if ( $line =~ m/\\code(\{\.(\w+)\})?/ ) {
my $codelang = "";
$codelang = " $2" if (defined $2);
$COMMENT_CODE_SNIPPET = CODE_SNIPPET;
$COMMENT_CODE_SNIPPET = CODE_SNIPPET_CPP if ($codelang =~ m/cpp/ );
$codelang =~ s/py/python/;
return "\n" if ( $COMMENT_CODE_SNIPPET == CODE_SNIPPET_CPP );
return ".. code-block::$codelang\n\n";
}
if ( $line =~ m/\\endcode/ ) {
$COMMENT_CODE_SNIPPET = 0;
return "\n";
}
if ($COMMENT_CODE_SNIPPET != 0){
if ( $COMMENT_CODE_SNIPPET == CODE_SNIPPET_CPP ){
return "";
} else {
if ( $line ne ''){
return " $line\n";
} else {
return "\n";
}
}
}
# remove prepending spaces
$line =~ s/^\s+//g;
# remove \a formatting
$line =~ s/\\a (.+?)\b/``$1``/g;
# replace :: with . (changes c++ style namespace/class directives to Python style)
$line =~ s/::/./g;
# replace nullptr with None (nullptr means nothing to Python devs)
$line =~ s/\bnullptr\b/None/g;
if ( $line eq '*' ) {
$line = '';
}
# if inside multi-line parameter, ensure additional lines are indented
if ($line ne '') {
if ( $line !~ m/^\s*[\\:]+(param|note|since|return|deprecated|warning)/ ) {
$line = "$INDENT$line";
}
}
else
{
$INDENT = '';
}
# replace \returns with :return:
if ( $line =~ m/\\return(s)?/ ){
$line =~ s/\s*\\return(s)?\s*/\n:return: /;
# remove any trailing spaces, will be present now for empty 'returns' tags
$line =~ s/\s*$//g;
$INDENT = ' 'x( index($line,':',4) + 1);
}
# params
if ( $line =~ m/\\param / ){
$line =~ s/\s*\\param\s+(\w+)\b\s*/:param $1: /g;
# remove any trailing spaces, will be present now for empty 'param' tags
$line =~ s/\s*$//g;
$INDENT = ' 'x( index($line,':',2) + 2);
if ( $line =~ m/^:param/ ){
if ( $COMMENT_PARAM_LIST == 0 )
{
$line = "\n$line";
}
$COMMENT_PARAM_LIST = 1;
$COMMENT_LAST_LINE_NOTE_WARNING = 0;
}
}
if ( $line =~ m/^\s*[\\@]brief/){
$line =~ s/[\\@]brief\s*//;
if ( $FOUND_SINCE eq 1 ) {
exit_with_error("$headerfile\:\:$LINE_IDX Since annotation must come after brief")
}
$FOUND_SINCE = 0;
if ( $line =~ m/^\s*$/ ){
return "";
}
}
if ( $line =~ m/[\\@](ingroup|class)/ ) {
$INDENT = '';
return "";
}
if ( $line =~ m/\\since .*?([\d\.]+)/i ) {
$INDENT = '';
$FOUND_SINCE = 1;
return "\n.. versionadded:: $1\n";
}
if ( $line =~ m/\\deprecated(.*)/i ) {
$INDENT = '';
return "\n.. deprecated::$1\n";
}
# create links in see also
if ( $line =~ m/\\see +(\w+(\.\w+)*)(\([^()]*\))?/ ) {
my $seealso = $1;
my $seeline = '';
dbg_info("see also: $seealso");
if ( $seealso =~ m/^Qgs[A-Z]\w+(\([^()]*\))?$/ ) {
dbg_info("\\see py:class");
$seeline = ":py:class:`$seealso`";
}
elsif ( $seealso =~ m/^(Qgs[A-Z]\w+)\.(\w+)(\([^()]*\))?$/ ) {
dbg_info("\\see py:func with param");
$seeline = ":py:func:`$1.$2`";
}
elsif ( $seealso =~ m/^[a-z]\w+(\([^()]*\))?$/ ) {
dbg_info("\\see py:func");
$seeline = ":py:func:`$seealso`";
}
if ( $line =~ m/^\s*\\see/ ){
if ( $seeline ne ''){
return "\n.. seealso:: $seeline\n";
} else {
return "\n.. seealso:: $seealso\n";
}
} else {
if ( $seeline ne ''){
$line =~ s/\\see +(\w+(\.\w+)*(\(\))?)/$seeline/;
} else {
$line =~s/\\see/see/;
}
}
}
else
{
# create links in plain text too (less performant)
if ( $line =~ m/\b(Qgs[A-Z]\w+)\b(\.?$|[^\w]{2})/) {
if ( defined $ACTUAL_CLASS && $1 !~ $ACTUAL_CLASS ) {
$line =~ s/\b(Qgs[A-Z]\w+)\b(\.?$|[^\w]{2})/:py:class:`$1`$2/g;
}
}
$line =~ s/\b(Qgs[A-Z]\w+\.[a-z]\w+\(\))(\.|\b|$)/:py:func:`$1`/g;
}
if ( $line =~ m/[\\@]note (.*)/ ) {
$COMMENT_LAST_LINE_NOTE_WARNING = 1;
$INDENT = '';
return "\n.. note::\n\n $1\n";
}
if ( $line =~ m/[\\@]warning (.*)/ ) {
$INDENT = '';
$COMMENT_LAST_LINE_NOTE_WARNING = 1;
return "\n.. warning::\n\n $1\n";
}
if ( $line !~ m/^\s*$/ ){
if ( $COMMENT_LAST_LINE_NOTE_WARNING == 1 ){
dbg_info("prepend spaces for multiline warning/note xx$line");
$line = " $line";
}
} else {
$COMMENT_LAST_LINE_NOTE_WARNING = 0;
}
return "$line\n";
}
sub detect_and_remove_following_body_or_initializerlist {
# https://regex101.com/r/ZaP3tC/8
my $python_signature = '';
do {no warnings 'uninitialized';
if ( $LINE =~ m/^(\s*)?((?:(?:explicit|static|const|unsigned|virtual)\s+)*)(([\w:]+(<.*?>)?\s+[*&]?)?(~?\w+|(\w+::)?operator.{1,2})\s*\(([\w=()\/ ,&*<>."-]|::)*\)( +(?:const|SIP_[\w_]+?))*)\s*((\s*[:,]\s+\w+\(.*\))*\s*\{.*\}\s*(?:SIP_[\w_]+)?;?|(?!;))(\s*\/\/.*)?$/
|| $LINE =~ m/SIP_SKIP\s*(?!;)\s*(\/\/.*)?$/
|| $LINE =~ m/^\s*class.*SIP_SKIP/ ){
dbg_info("remove constructor definition, function bodies, member initializing list");
my $newline = "$1$2$3;";
$python_signature = remove_following_body_or_initializerlist() unless $LINE =~ m/{.*}(\s*SIP_\w+)*\s*(\/\/.*)?$/;
$LINE = $newline;
}
};
return $python_signature;
}
sub remove_following_body_or_initializerlist {
my $python_signature = '';
do {no warnings 'uninitialized';
dbg_info("remove constructor definition, function bodies, member initializing list");
my $line = read_line();
# python signature
if ($line =~ m/^\s*\[\s*(\w+\s*)?\(/){
dbg_info("python signature detected");
my $nesting_index = 0;
while ($LINE_IDX < $LINE_COUNT){
$nesting_index += $line =~ tr/\[//;
$nesting_index -= $line =~ tr/\]//;
if ($nesting_index == 0){
if ($line =~ m/^(.*);\s*(\/\/.*)?$/){
$line = $1; # remove semicolon (added later)
$python_signature .= "\n$line";
return $python_signature;
}
last;
}
$python_signature .= "\n$line";
$line = read_line();
}
}
# member initializing list
while ( $line =~ m/^\s*[:,]\s+([\w<>]|::)+\(.*?\)/){
dbg_info("member initializing list");
$line = read_line();
}
# body
if ( $line =~ m/^\s*\{/ ){
my $nesting_index = 0;
while ($LINE_IDX < $LINE_COUNT){
dbg_info(" remove body");
$nesting_index += $line =~ tr/\{//;
$nesting_index -= $line =~ tr/\}//;
if ($nesting_index == 0){
last;
}
$line = read_line();
}
}
};
return $python_signature;
}
sub fix_annotations {
my $line = $_[0];
# printed annotations
$line =~ s/\/\/\s*SIP_ABSTRACT\b/\/Abstract\//;
$line =~ s/\bSIP_ABSTRACT\b/\/Abstract\//;
$line =~ s/\bSIP_ALLOWNONE\b/\/AllowNone\//;
$line =~ s/\bSIP_ARRAY\b/\/Array\//g;
$line =~ s/\bSIP_ARRAYSIZE\b/\/ArraySize\//g;
$line =~ s/\bSIP_DEPRECATED\b/\/Deprecated\//g;
$line =~ s/\bSIP_CONSTRAINED\b/\/Constrained\//g;
$line =~ s/\bSIP_EXTERNAL\b/\/External\//g;
$line =~ s/\bSIP_FACTORY\b/\/Factory\//;
$line =~ s/\bSIP_IN\b/\/In\//g;
$line =~ s/\bSIP_INOUT\b/\/In,Out\//g;
$line =~ s/\bSIP_KEEPREFERENCE\b/\/KeepReference\//;
$line =~ s/\bSIP_NODEFAULTCTORS\b/\/NoDefaultCtors\//;
$line =~ s/\bSIP_OUT\b/\/Out\//g;
$line =~ s/\bSIP_RELEASEGIL\b/\/ReleaseGIL\//;
$line =~ s/\bSIP_TRANSFER\b/\/Transfer\//g;
$line =~ s/\bSIP_TRANSFERBACK\b/\/TransferBack\//;
$line =~ s/\bSIP_TRANSFERTHIS\b/\/TransferThis\//;
$line =~ s/SIP_PYNAME\(\s*(\w+)\s*\)/\/PyName=$1\//;
$line =~ s/SIP_VIRTUALERRORHANDLER\(\s*(\w+)\s*\)/\/VirtualErrorHandler=$1\//;
$line =~ s/SIP_THROW\(\s*(\w+)\s*\)/throw\( $1 \)/;
# combine multiple annotations
# https://regex101.com/r/uvCt4M/4
do {no warnings 'uninitialized';
$line =~ s/\/([\w,]+(=\w+)?)\/\s*\/([\w,]+(=\w+)?)\//\/$1,$3\//;
(! $3) or dbg_info("combine multiple annotations -- works only for 2");
};
# unprinted annotations
$line =~ s/(\w+)(\<(?>[^<>]|(?2))*\>)?\s+SIP_PYALTERNATIVETYPE\(\s*\'?([^()']+)(\(\s*(?:[^()]++|(?2))*\s*\))?\'?\s*\)/$3/g;
$line =~ s/=\s+[^=]*?\s+SIP_PYARGDEFAULT\(\s*\'?([^()']+)(\(\s*(?:[^()]++|(?2))*\s*\))?\'?\s*\)/= $1/g;
# remove argument
if ($line =~ m/SIP_PYARGREMOVE/){
dbg_info("remove arg");
if ( $MULTILINE_DEFINITION != MULTILINE_NO ){
my $prev_line = pop(@OUTPUT) =~ s/\n$//r;
# update multi line status
my $parenthesis_balance = 0;
$parenthesis_balance += $prev_line =~ tr/\(//;
$parenthesis_balance -= $prev_line =~ tr/\)//;
if ($parenthesis_balance == 1){
$MULTILINE_DEFINITION = MULTILINE_NO;
}
# concat with above line to bring previous commas
$line =~ s/^\s+//;
$line = "$prev_line $line\n";
}
# see https://regex101.com/r/5iNptO/4
$line =~ s/(?<coma>, +)?(const )?(\w+)(\<(?>[^<>]|(?4))*\>)?\s+[\w&*]+\s+SIP_PYARGREMOVE( = [^()]*(\(\s*(?:[^()]++|(?6))*\s*\))?)?(?(<coma>)|,?)//g;
$line =~ s/\(\s+\)/()/;
}
$line =~ s/SIP_FORCE//;
$line =~ s/SIP_DOC_TEMPLATE//;
$line =~ s/\s+;$/;/;
return $line;
}
sub fix_constants {
my $line = $_[0];
$line =~ s/\bstd::numeric_limits<double>::max\(\)/DBL_MAX/;
$line =~ s/\bstd::numeric_limits<double>::lowest\(\)/-DBL_MAX/;
$line =~ s/\bstd::numeric_limits<double>::epsilon\(\)/DBL_EPSILON/;
return $line;
}
# detect a comment block, return 1 if found
# if STRICT comment block shall begin at beginning of line (no code in front)
sub detect_comment_block{
my %args = ( strict_mode => STRICT, @_ );
# dbg_info("detect comment strict:" . $args{strict_mode} );
$COMMENT_PARAM_LIST = 0;
$INDENT = '';
$COMMENT_CODE_SNIPPET = 0;
$COMMENT_LAST_LINE_NOTE_WARNING = 0;
$FOUND_SINCE = 0;
if ( $LINE =~ m/^\s*\/\*/ || $args{strict_mode} == UNSTRICT && $LINE =~ m/\/\*/ ){
dbg_info("found comment block");
do {no warnings 'uninitialized';
$COMMENT = processDoxygenLine( $LINE =~ s/^\s*\/\*(\*)?(.*?)\n?$/$2/r );
};
$COMMENT =~ s/^\s*$//;
while ($LINE !~ m/\*\/\s*(\/\/.*?)?$/){
$LINE = read_line();
$COMMENT .= processDoxygenLine( $LINE =~ s/\s*\*?(.*?)(\/)?\n?$/$1/r );
}
$COMMENT =~ s/\n\s+\n/\n\n/;
$COMMENT =~ s/\n{3,}/\n\n/;
$COMMENT =~ s/\n+$//;
return 1;
}
return 0;
}
# Detect if line is a non method member declaration
# https://regex101.com/r/gUBZUk/14
sub detect_non_method_member{
return 1 if $LINE =~ m/^\s*(?:template\s*<\w+>\s+)?(?:(const|mutable|static|friend|unsigned)\s+)*\w+(::\w+)?(<([\w<> *&,()]|::)+>)?(,?\s+\*?\w+( = (-?\d+(\.\d+)?|((QMap|QList)<[^()]+>\(\))|(\w+::)*\w+(\([^()]?\))?)|\[\d+\])?)+;/;
return 0;
}
# write some code in front of line to know where the output comes from
$debug == 0 or push @OUTPUT, "CODE SIP_RUN MultiLine\n";
# main loop
while ($LINE_IDX < $LINE_COUNT){
$PYTHON_SIGNATURE = '';
$ACTUAL_CLASS = $CLASSNAME[$#CLASSNAME] unless $#CLASSNAME < 0;
$LINE = read_line();
if ( $LINE =~ m/^\s*(#define )?+SIP_IF_MODULE\(.*\)$/ ){
dbg_info('skipping SIP include condition macro');
next;
}
if ($LINE =~ m/^\s*SIP_FEATURE\( (\w+) \)(.*)$/){
write_output("SF1", "%Feature $1$2\n");
next;
}
if ($LINE =~ m/^\s*SIP_IF_FEATURE\( (\!?\w+) \)(.*)$/){
write_output("SF2", "%If ($1)$2\n");
next;
}
if ($LINE =~ m/^\s*SIP_CONVERT_TO_SUBCLASS_CODE(.*)$/){
$LINE = "%ConvertToSubClassCode$1";
# do not go next, let run the "do not process SIP code"
}
if ($LINE =~ m/^\s*SIP_VIRTUAL_CATCHER_CODE(.*)$/){
$LINE = "%VirtualCatcherCode$1";
# do not go next, let run the "do not process SIP code"
}
if ($LINE =~ m/^\s*SIP_END(.*)$/){
write_output("SEN", "%End$1\n");
next;
}
if ( $LINE =~ s/SIP_WHEN_FEATURE\(\s*(.*?)\s*\)// ){
dbg_info('found SIP_WHEN_FEATURE');
$IF_FEATURE_CONDITION = $1;
}
# do not process SIP code %XXXCode
if ( $SIP_RUN == 1 && $LINE =~ m/^ *% *(VirtualErrorHandler|MappedType|Type(?:Header)?Code|Module(?:Header)?Code|Convert(?:From|To)(?:Type|SubClass)Code|MethodCode)(.*)?$/ ){
$LINE = "%$1$2";
$COMMENT = '';
dbg_info("do not process SIP code");
while ( $LINE !~ m/^ *% *End/ ){
write_output("COD", $LINE."\n");
$LINE = read_line();
$LINE =~ s/^ *% *(VirtualErrorHandler|MappedType|Type(?:Header)?Code|Module(?:Header)?Code|Convert(?:From|To)(?:Type|SubClass)Code|MethodCode)(.*)?$/%$1$2/;
$LINE =~ s/^\s*SIP_END(.*)$/%End$1/;
}
$LINE =~ s/^\s*% End/%End/;
write_output("COD", $LINE."\n");
next;
}
# Skip preprocessor stuff
if ($LINE =~ m/^\s*#/){
# skip #if 0 blocks
if ( $LINE =~ m/^\s*#if (0|defined\(Q_OS_WIN\))/){
dbg_info("skipping #if $1 block");
my $nesting_index = 0;
while ($LINE_IDX < $LINE_COUNT){
$LINE = read_line();
if ( $LINE =~ m/^\s*#if(def)?\s+/ ){
$nesting_index++;
}
elsif ( $nesting_index == 0 && $LINE =~ m/^\s*#(endif|else)/ ){
$COMMENT = '';
last;
}
elsif ( $nesting_index != 0 && $LINE =~ m/^\s*#(endif)/ ){
$nesting_index--;
}
}
next;
}
if ( $LINE =~ m/^\s*#ifdef SIP_RUN/){
$SIP_RUN = 1;
if ($ACCESS[$#ACCESS] == PRIVATE){
dbg_info("writing private content");
write_output("PRV1", $PRIVATE_SECTION_LINE."\n") if $PRIVATE_SECTION_LINE ne '';
$PRIVATE_SECTION_LINE = '';
}
next;
}
if ( $SIP_RUN == 1 ){
if ( $LINE =~ m/^\s*#endif/ ){
if ( $GLOB_IFDEF_NESTING_IDX == 0 ){
$SIP_RUN = 0;
next;
}
else {
$GLOB_IFDEF_NESTING_IDX--;
}
}
if ( $LINE =~ m/^\s*#if(def)?\s+/ ){
$GLOB_IFDEF_NESTING_IDX++;
}
# if there is an else at this level, code will be ignored i.e. not SIP_RUN
if ( $LINE =~ m/^\s*#else/ && $GLOB_IFDEF_NESTING_IDX == 0){
while ($LINE_IDX < $LINE_COUNT){
$LINE = read_line();
if ( $LINE =~ m/^\s*#if(def)?\s+/ ){
$GLOB_IFDEF_NESTING_IDX++;
}
elsif ( $LINE =~ m/^\s*#endif/ ){
if ( $GLOB_IFDEF_NESTING_IDX == 0 ){
$COMMENT = '';
$SIP_RUN = 0;
last;
}
else {
$GLOB_IFDEF_NESTING_IDX--;
}
}
}
next;
}
}
elsif ( $LINE =~ m/^\s*#ifndef SIP_RUN/){
# code is ignored here
while ($LINE_IDX < $LINE_COUNT){
$LINE = read_line();
if ( $LINE =~ m/^\s*#if(def)?\s+/ ){
$GLOB_IFDEF_NESTING_IDX++;
}
elsif ( $LINE =~ m/^\s*#else/ && $GLOB_IFDEF_NESTING_IDX == 0 ){
# code here will be printed out
if ($ACCESS[$#ACCESS] == PRIVATE){
dbg_info("writing private content");
write_output("PRV2", $PRIVATE_SECTION_LINE."\n") if $PRIVATE_SECTION_LINE ne '';
$PRIVATE_SECTION_LINE = '';
}
$SIP_RUN = 1;
last;
}
elsif ( $LINE =~ m/^\s*#endif/ ){
if ( $GLOB_IFDEF_NESTING_IDX == 0 ){
$COMMENT = '';
$SIP_RUN = 0;
last;
}
else {
$GLOB_IFDEF_NESTING_IDX--;
}
}
}
next;
}
else {
next;
}
}
# TYPE HEADER CODE
if ( $HEADER_CODE && $SIP_RUN == 0 ){
$HEADER_CODE = 0;
write_output("HCE", "%End\n");
}
# Skip forward declarations
if ($LINE =~ m/^\s*(class|struct) \w+(?<external> *SIP_EXTERNAL)?;\s*(\/\/.*)?$/){
if ($+{external}){
dbg_info('do not skip external forward declaration');
$COMMENT = '';
}
else
{
dbg_info('skipping forward declaration');
next;
}
}
# skip friends
if ( $LINE =~ m/^\s*friend class \w+/ ){
next;
}
# insert metaoject for Q_GADGET
if ($LINE =~ m/^\s*Q_GADGET\b.*?$/){
if ($LINE !~ m/SIP_SKIP/){
dbg_info('Q_GADGET');
write_output("HCE", " public:\n");
write_output("HCE", " static const QMetaObject staticMetaObject;\n\n");
}
next;
}
# insert in python output (python/module/__init__.py)
if ($LINE =~ m/Q_(ENUM|FLAG)\(\s*(\w+)\s*\)/ ){
if ($LINE !~ m/SIP_SKIP/){
my $is_flag = $1 eq 'FLAG' ? 1 : 0;
my $enum_helper = "$ACTUAL_CLASS.$2.baseClass = $ACTUAL_CLASS";
dbg_info("Q_ENUM/Q_FLAG $enum_helper");
if ($python_output ne ''){
if ($enum_helper ne ''){
push @OUTPUT_PYTHON, "$enum_helper\n";
if ($is_flag == 1){
# SIP seems to introduce the flags in the module rather than in the class itself
# as a dirty hack, inject directly in module, hopefully we don't have flags with the same name....
push @OUTPUT_PYTHON, "$2 = $ACTUAL_CLASS # dirty hack since SIP seems to introduce the flags in module\n";
}
}
}
}
next;
}
# Skip Q_OBJECT, Q_PROPERTY, Q_ENUM etc.
if ($LINE =~ m/^\s*Q_(OBJECT|ENUMS|ENUM|FLAG|PROPERTY|DECLARE_METATYPE|DECLARE_TYPEINFO|NOWARN_DEPRECATED_(PUSH|POP))\b.*?$/){
next;
}
# SIP_SKIP
if ( $LINE =~ m/SIP_SKIP|SIP_PYTHON_OPERATOR_/ ){
dbg_info('SIP SKIP!');
# if multiline definition, remove previous lines
if ( $MULTILINE_DEFINITION != MULTILINE_NO){
dbg_info('SIP_SKIP with MultiLine');
my $opening_line = '';
while ( $opening_line !~ m/^[^()]*\(([^()]*\([^()]*\)[^()]*)*[^()]*$/){
$opening_line = pop(@OUTPUT);
$#OUTPUT >= 0 or exit_with_error('could not reach opening definition');
}
dbg_info("removed multiline definition of SIP_SKIP method");
$MULTILINE_DEFINITION = MULTILINE_NO;
}
# also skip method body if there is one
detect_and_remove_following_body_or_initializerlist();
# line skipped, go to next iteration
if ($LINE =~ m/SIP_PYTHON_OPERATOR_(\w+)\(\s*(\w+)\s*\)/ ){
my $pyop = "${ACTUAL_CLASS}.__" . lc($1) . "__ = lambda self: self.$2()";
dbg_info("PYTHON OPERATOR $pyop");
if ($python_output ne ''){
push @OUTPUT_PYTHON, "$pyop\n";
}
}
$COMMENT = '';
next;
}
# Detect comment block
if (detect_comment_block()){
next;
}
if ( $LINE =~ m/^\s*struct(\s+\w+_EXPORT)?\s+\w+$/ ) {
dbg_info(" going to struct => public");
push @CLASSNAME, $CLASSNAME[$#CLASSNAME]; # fake new class since struct has considered similarly
push @ACCESS, PUBLIC;
push @EXPORTED, $EXPORTED[-1];
push @GLOB_BRACKET_NESTING_IDX, 0;
}
# class declaration started
# https://regex101.com/r/6FWntP/10
if ( $LINE =~ m/^(\s*class)\s+([A-Z]+_EXPORT\s+)?(\w+)(\s*\:\s*(public|protected|private)\s+\w+(< *(\w|::)+ *>)?(::\w+(<\w+>)?)*(,\s*(public|protected|private)\s+\w+(< *(\w|::)+ *>)?(::\w+(<\w+>)?)*)*)?(?<annot>\s*\/?\/?\s*SIP_\w+)?\s*?(\/\/.*|(?!;))$/ ){
dbg_info("class definition started");
push @ACCESS, PUBLIC;
push @EXPORTED, 0;
push @GLOB_BRACKET_NESTING_IDX, 0;
my @template_inheritance_template = ();
my @template_inheritance_class = ();
do {no warnings 'uninitialized';
push @CLASSNAME, $3;
if ($#CLASSNAME == 0){
# might be worth to add in-class classes later on
# in case of a tamplate based class declaration
# based on an in-class and in the same file
push @DECLARED_CLASSES, $CLASSNAME[$#CLASSNAME];
}
dbg_info("class: ".$CLASSNAME[$#CLASSNAME]);
if ($LINE =~ m/\b[A-Z]+_EXPORT\b/ || $#CLASSNAME != 0 || $INPUT_LINES[$LINE_IDX-2] =~ m/^\s*template</){
# class should be exported except those not at top level or template classes
# if class is not exported, then its methods should be (checked whenever leaving out the class)
$EXPORTED[-1]++;
}
};
$LINE = "$1 $3";
# Inheritance
if ($4){
my $m = $4;
$m =~ s/public +(\w+, *)*(Ui::\w+,? *)+//g; # remove Ui::xxx public inheritance as the namespace is causing troubles
$m =~ s/public +//g;
$m =~ s/[,:]?\s*private +\w+(::\w+)?//g;
# detect template based inheritance
while ($m =~ /[,:]\s+((?!QList)\w+)< *((\w|::)+) *>/g){
dbg_info("template class");
push @template_inheritance_template, $1;
push @template_inheritance_class, $2;
}
$m =~ s/(\b(?!QList)\w+)< *((?:\w|::)+) *>/$1${2}Base/g; # use the typeded as template inheritance
$m =~ s/(\w+)< *((?:\w|::)+) *>//g; # remove remaining templates
$m =~ s/([:,])\s*,/$1/g;
$m =~ s/(\s*[:,])?\s*$//;
$LINE .= $m;
}
if (defined $+{annot})
{
$LINE .= "$+{annot}";
$LINE = fix_annotations($LINE);
}
$LINE .= "\n{\n";
if ( $COMMENT !~ m/^\s*$/ ){
$LINE .= "%Docstring\n$COMMENT\n%End\n";
}
$LINE .= "\n%TypeHeaderCode\n#include \"" . basename($headerfile) . "\"";
# for template based inheritance, add a typedef to define the base type
# add it to the class and to the TypeHeaderCode
# also include the template header
# see https://www.riverbankcomputing.com/pipermail/pyqt/2015-May/035893.html
while ( @template_inheritance_template ) {
my $tpl = pop @template_inheritance_template;
my $cls = pop @template_inheritance_class;
$LINE = "\ntypedef $tpl<$cls> ${tpl}${cls}Base;\n\n$LINE";
if ( not $tpl ~~ @DECLARED_CLASSES ){
my $tpl_header = lc $tpl . ".h";
if ( exists $SIP_CONFIG->{class_headerfile}->{$tpl} ){
$tpl_header = $SIP_CONFIG->{class_headerfile}->{$tpl};
}
$LINE .= "\n#include \"" . $tpl_header . "\"";
}
$LINE .= "\ntypedef $tpl<$cls> ${tpl}${cls}Base;";
}
if ( PRIVATE ~~ @ACCESS && $#ACCESS != 0){
# do not write anything in PRIVATE context and not top level
dbg_info("skipping class in private context");
next;
}
$ACCESS[$#ACCESS] = PRIVATE; # private by default
write_output("CLS", "$LINE\n");
# Skip opening curly bracket, incrementing hereunder
my $skip = read_line();
$skip =~ m/^\s*{\s*$/ or exit_with_error("expecting { after class definition");
$GLOB_BRACKET_NESTING_IDX[$#GLOB_BRACKET_NESTING_IDX]++;
$COMMENT = '';
$HEADER_CODE = 1;
$ACCESS[$#ACCESS] = PRIVATE;
next;
}
# bracket balance in class/struct tree
if ($SIP_RUN == 0){
my $bracket_balance = 0;
$bracket_balance += $LINE =~ tr/\{//;
$bracket_balance -= $LINE =~ tr/\}//;
if ($bracket_balance != 0){
$GLOB_BRACKET_NESTING_IDX[$#GLOB_BRACKET_NESTING_IDX] += $bracket_balance;
if ($GLOB_BRACKET_NESTING_IDX[$#GLOB_BRACKET_NESTING_IDX] == 0){
dbg_info(" going up in class/struct tree");
if ($#ACCESS > 0){
pop(@GLOB_BRACKET_NESTING_IDX);
pop(@ACCESS);
exit_with_error("Class $CLASSNAME[$#CLASSNAME] should be exported with appropriate [LIB]_EXPORT macro. If this should not be available in python, wrap it in a `#ifndef SIP_RUN` block.")
if $EXPORTED[-1] == 0 and not $CLASSNAME[$#CLASSNAME] ~~ $SIP_CONFIG->{no_export_macro};
pop @EXPORTED;
}
pop(@CLASSNAME);
if ($#ACCESS == 0){
dbg_info("reached top level");
# top level should stasy public
$ACCESS[$#ACCESS] = PUBLIC;
}
$COMMENT = '';
$RETURN_TYPE = '';
$PRIVATE_SECTION_LINE = '';
}
dbg_info("new bracket balance: @GLOB_BRACKET_NESTING_IDX");
}
}
# Private members (exclude SIP_RUN)
if ( $LINE =~ m/^\s*private( slots)?:/ ){
$ACCESS[$#ACCESS] = PRIVATE;
$PRIVATE_SECTION_LINE = $LINE;
$COMMENT = '';
dbg_info("going private");
next;
}
elsif ( $LINE =~ m/^\s*(public( slots)?|signals):.*$/ ){
dbg_info("going public");
$ACCESS[$#ACCESS] = PUBLIC;
$COMMENT = '';
}
elsif ( $LINE =~ m/^\s*(protected)( slots)?:.*$/ ){
dbg_info("going protected");
$ACCESS[$#ACCESS] = PROTECTED;
$COMMENT = '';
}
elsif ( $ACCESS[$#ACCESS] == PRIVATE && $LINE =~ m/SIP_FORCE/){
dbg_info("private with SIP_FORCE");
write_output("PRV3", $PRIVATE_SECTION_LINE."\n") if $PRIVATE_SECTION_LINE ne '';
$PRIVATE_SECTION_LINE = '';
}
elsif ( PRIVATE ~~ @ACCESS && $SIP_RUN == 0 ) {
$COMMENT = '';
next;
}
# Skip operators
if ( $ACCESS[$#ACCESS] != PRIVATE && $LINE =~ m/operator(=|<<|>>|->)\s*\(/ ){
dbg_info("skip operator");
detect_and_remove_following_body_or_initializerlist();
next;
}
# save comments and do not print them, except in SIP_RUN
if ( $SIP_RUN == 0 ){
if ( $LINE =~ m/^\s*\/\// ){
if ($LINE =~ m/^\s*\/\/\!\s*(.*?)\n?$/){
$COMMENT_PARAM_LIST = 0;
$INDENT = '';
$COMMENT_LAST_LINE_NOTE_WARNING = 0;
$COMMENT = processDoxygenLine( $1 );
$COMMENT =~ s/\n+$//;
}
elsif ($INPUT_LINES[$LINE_IDX-1] !~ m/\*\/.*/) {
$COMMENT = '';
}
next;
}
}
# Enum declaration
if ( $LINE =~ m/^\s*enum\s+\w+.*?$/ ){
write_output("ENU1", "$LINE\n");
if ($LINE =~ m/\{((\s*\w+)(\s*=\s*[\w\s\d<|]+.*?)?(,?))+\s*\}/){
# one line declaration
$LINE !~ m/=/ or exit_with_error("spify.pl does not handle enum one liners with value assignment. Use multiple lines instead.");
next;
}
else
{
$LINE = read_line();
$LINE =~ m/^\s*\{\s*$/ or exit_with_error('Unexpected content: enum should be followed by {');
write_output("ENU2", "$LINE\n");
while ($LINE_IDX < $LINE_COUNT){
$LINE = read_line();
if (detect_comment_block()){
next;
}
if ($LINE =~ m/\};/){
last;
}
do {no warnings 'uninitialized';
my $enum_decl = $LINE =~ s/(\s*\w+)(\s+SIP_\w+(?:\([^()]+\))?)?(?:\s*=\s*(?:[\w\s\d|+-]|::|<<)+.*?)?(,?).*$/$1$2$3/r;
$enum_decl = fix_annotations($enum_decl);
write_output("ENU3", "$enum_decl\n");
};
detect_comment_block(strict_mode => UNSTRICT);
}
write_output("ENU4", "$LINE\n");
# enums don't have Docstring apparently
$COMMENT = '';
next;
}
}
$IS_OVERRIDE = 1 if ( $LINE =~ m/\boverride\b/);
# keyword fixes
do {no warnings 'uninitialized';
$LINE =~ s/^(\s*template\s*<)(?:class|typename) (\w+>)(.*)$/$1$2$3/;
$LINE =~ s/\s*\boverride\b//;
$LINE =~ s/\s*\bextern \b//;
$LINE =~ s/\s*\bMAYBE_UNUSED \b//;
$LINE =~ s/\s*\bNODISCARD \b//;
$LINE =~ s/\s*\bQ_DECL_DEPRECATED\b//;
$LINE =~ s/^(\s*)?(const )?(virtual |static )?inline /$1$2$3/;
$LINE =~ s/\bconstexpr\b/const/;
$LINE =~ s/\bnullptr\b/0/g;
$LINE =~ s/\s*=\s*default\b//g;
};
if( $LINE =~ /\b\w+_EXPORT\b/ ) {
$EXPORTED[-1]++;
$LINE =~ s/\b\w+_EXPORT\s+//g;
}
# skip non-method member declaration in non-public sections
if ( $SIP_RUN != 1 &&
$ACCESS[$#ACCESS] != PUBLIC &&
detect_non_method_member() == 1){
dbg_info("skip non-method member declaration in non-public sections");
next;
}
# remove static const value assignment
# https://regex101.com/r/DyWkgn/6
do {no warnings 'uninitialized';
$LINE !~ m/^\s*const static \w+/ or exit_with_error("const static should be written static const in $CLASSNAME[$#CLASSNAME]");
$LINE =~ s/^(?<staticconst> *(?<static>static )?const \w+(?:<(?:[\w<>, ]|::)+>)? \w+)(?: = [^()]+?(\((?:[^()]++|(?3))*\))?[^()]*?)?(?<endingchar>[|;]) *(\/\/.*?)?$/$1;/;
$COMMENT = '' if (defined $+{staticconst} && ! defined $+{static});
if ( defined $+{endingchar} && $+{endingchar} =~ m/\|/ ){
dbg_info("multiline const static assignment");
my $skip = '';
while ( $skip !~ m/;\s*(\/\/.*?)?$/ ){
$skip = read_line();
}
}
};
# remove struct member assignment
if ( $SIP_RUN != 1 && $ACCESS[$#ACCESS] == PUBLIC && $LINE =~ m/^(\s*\w+[\w<> *&:,]* \*?\w+) = [\-\w\:\.]+(\([^()]*\))?\s*;/ ){
dbg_info("remove struct member assignment");
$LINE = "$1;";
}
# catch Q_DECLARE_FLAGS
if ( $LINE =~ m/^(\s*)Q_DECLARE_FLAGS\(\s*(.*?)\s*,\s*(.*?)\s*\)\s*$/ ){
my $ACTUAL_CLASS = $CLASSNAME[$#CLASSNAME];
dbg_info("Declare flags: $ACTUAL_CLASS");
$LINE = "$1typedef QFlags<${ACTUAL_CLASS}::$3> $2;\n";
$QFLAG_HASH{"${ACTUAL_CLASS}::$2"} = "${ACTUAL_CLASS}::$3";
}