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# [[[ HEADER ]]] |
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package RPerl::CodeBlock::Subroutine; |
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use strict; |
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use warnings; |
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use RPerl::AfterSubclass; |
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our $VERSION = 0.012_000; |
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## no critic qw(ProhibitUselessNoCritic ProhibitMagicNumbers RequireCheckedSyscalls) # USER DEFAULT 1: allow numeric values & print operator |
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## no critic qw(RequireInterpolationOfMetachars) # USER DEFAULT 2: allow single-quoted control characters & sigils |
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## no critic qw(Capitalization ProhibitMultiplePackages ProhibitReusedNames) # SYSTEM DEFAULT 3: allow multiple & lower case package names |
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BEGIN { |
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package # hide from PAUSE indexing |
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string_hashref::method; |
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use strict; |
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use warnings; |
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1; |
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package # hide from PAUSE indexing |
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string::method; |
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use strict; |
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use warnings; |
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1; |
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# DEV NOTE, CORRELATION #rp003: method types reside in Subroutine.pm, which is a sub-type of Subroutine.pm, causing the need to have this special BEGIN block |
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# to enable the *::method types, and Class.pm's INIT block symbol table entry generator needs us to switch back into the primary package so we have |
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# that happen in the following line, which furthermore triggers the need to avoid re-defining class accessor/mutator methods; how to fix? |
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package RPerl::CodeBlock::Subroutine; |
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use strict; |
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use warnings; |
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1; |
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} |
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# [[[ OO INHERITANCE ]]] |
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use parent qw(RPerl::CodeBlock); |
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use RPerl::CodeBlock; |
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# [[[ OO PROPERTIES ]]] |
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our hashref $properties = {}; |
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# [[[ SUBROUTINES & OO METHODS ]]] |
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our string_hashref::method $ast_to_rperl__generate = sub { |
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( my object $self, my string_hashref $modes) = @ARG; |
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my string_hashref $rperl_source_group = { PMC => q{} }; |
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my string_hashref $rperl_source_subgroup; |
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# RPerl::diag( 'in Subroutine->ast_to_rperl__generate(), received $self = ' . "\n" . RPerl::Parser::rperl_ast__dump($self) . "\n" ); |
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# unwrap Subroutine_48 from SubroutineOrMethod_76, only if needed |
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if ((ref $self) eq 'SubroutineOrMethod_76') { $self = $self->{children}->[0]; } |
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if ( ( ref $self ) ne 'Subroutine_48' ) { |
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die RPerl::Parser::rperl_rule__replace( |
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'ERROR ECOGEASRP00, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL: Grammar rule ' . ( ref $self ) . ' found where Subroutine_48 expected, dying' ) |
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. "\n"; |
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} |
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# RPerl::diag( 'in Subroutine->ast_to_rperl__generate(), have possibly-unwrapped $self = ' . "\n" . RPerl::Parser::rperl_ast__dump($self) . "\n" ); |
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my string $our = $self->{children}->[0]; |
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my string $return_type = $self->{children}->[1]; |
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my string $name = $self->{children}->[2]; |
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my string $equal_sub = $self->{children}->[3]; |
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my object $arguments_optional = $self->{children}->[4]; |
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my object $operations_star = $self->{children}->[5]; |
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my string $right_brace = $self->{children}->[6]; |
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my string $semicolon = $self->{children}->[7]; |
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if ((substr $name, 1, 1) eq '_') { |
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die 'ERROR ECOGEASRP08, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL: subroutine name ' . ($name) |
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. ' must not start with underscore, dying' . "\n"; |
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} |
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# CREATE SYMBOL TABLE ENTRY |
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$modes->{_symbol_table}->{_subroutine} = $name; # set current subroutine/method |
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$modes->{_symbol_table}->{$modes->{_symbol_table}->{_namespace}}->{_global}->{$name} = {isa => 'RPerl::CodeBlock::Subroutine', type => $return_type}; # create individual symtab entry |
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# NEED UPGRADE, CORRELATION #rp035: allow multi-line subroutines & other code blocks, where they would be less than 160 chars if on a single line |
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# DEV NOTE: no newline appended in the next line, all newlines removed from subroutine body via regex replacement after foreach loop below, |
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# thus allowing for single-line subroutines as well as multi-line subroutines, at the control of Perl::Tidy |
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$rperl_source_group->{PMC} .= $our . q{ } . $return_type->{children}->[0] . q{ } . $name . q{ } . $equal_sub; |
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if ( exists $arguments_optional->{children}->[0] ) { |
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$rperl_source_subgroup = $arguments_optional->{children}->[0]->ast_to_rperl__generate($modes); |
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RPerl::Generator::source_group_append( $rperl_source_group, $rperl_source_subgroup ); |
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} |
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foreach my object $operation ( @{ $operations_star->{children} } ) { |
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$rperl_source_subgroup = $operation->ast_to_rperl__generate($modes); |
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RPerl::Generator::source_group_append( $rperl_source_group, $rperl_source_subgroup ); |
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} |
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$rperl_source_group->{PMC} =~ s/\n/\ /gxms; |
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$rperl_source_group->{PMC} .= $right_brace . $semicolon . "\n\n"; |
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return $rperl_source_group; |
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}; |
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our string_hashref::method $ast_to_cpp__generate__CPPOPS_PERLTYPES = sub { |
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( my object $self, my string_hashref $modes) = @ARG; |
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my string_hashref $cpp_source_group = { CPP => q{// <<< RP::CB::S __DUMMY_SOURCE_CODE CPPOPS_PERLTYPES >>>} . "\n" }; |
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#... |
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return $cpp_source_group; |
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}; |
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our string_hashref::method $ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES = sub { |
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( my object $self, my string_hashref $modes) = @ARG; |
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# RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), received $modes->{_symbol_table} = ' . "\n" . Dumper($modes->{_symbol_table}) . "\n"); |
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my string_hashref $cpp_source_group = { H => q{} }; |
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# unwrap Subroutine_48 from SubroutineOrMethod_76, only if needed |
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if ((ref $self) eq 'SubroutineOrMethod_76') { $self = $self->{children}->[0]; } |
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my string $return_type = $self->{children}->[1]->{children}->[0]; |
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my string $name = $self->{children}->[2]; |
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my object $arguments_optional = $self->{children}->[4]; |
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#RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), have $arguments_optional = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments_optional) . "\n" ); |
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#RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), have $return_type = ' . "\n" . RPerl::Parser::rperl_ast__dump($return_type) . "\n" ); |
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substr $name, 0, 1, q{}; # remove leading $ sigil |
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my string_arrayref $arguments = []; |
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if ((substr $name, 0, 1) eq '_') { |
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die 'ERROR ECOGEASCP08, CODE GENERATOR, ABSTRACT SYNTAX TO C++: subroutine name ' . ($name) |
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. ' must not start with underscore, dying' . "\n"; |
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} |
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# CREATE SYMBOL TABLE ENTRY |
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$modes->{_symbol_table}->{_subroutine} = $name; # set current subroutine/method |
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$modes->{_symbol_table}->{$modes->{_symbol_table}->{_namespace}}->{_global}->{$name} = {isa => 'RPerl::CodeBlock::Subroutine', type => $return_type}; # create individual symtab entry |
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$return_type = RPerl::Generator::type_convert_perl_to_cpp($return_type, 1); # $pointerify_classes = 1 |
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$modes->{_symbol_table}->{$modes->{_symbol_table}->{_namespace}}->{_global}->{$name}->{type_cpp} = $return_type; # add converted C++ type to symtab entry |
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# DEV NOTE, CORRELATION #rp022: must prefix subroutine names with namespace-underscores to simulate Perl's behavior of not exporting subroutines by default |
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my string $namespace_underscores = q{}; |
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if ((exists $modes->{_symbol_table}->{_namespace}) and (defined $modes->{_symbol_table}->{_namespace})) { |
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$namespace_underscores = $modes->{_symbol_table}->{_namespace}; |
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$namespace_underscores =~ s/:/_/gxms; |
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} |
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$cpp_source_group->{H} .= $return_type . q{ } . $namespace_underscores . $name . '('; |
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147
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if ( exists $arguments_optional->{children}->[0] ) { |
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my object $cpp_source_subgroup = $arguments_optional->{children}->[0]->ast_to_cpp__generate__CPPOPS_CPPTYPES($modes); |
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150
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# RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), have $cpp_source_subgroup = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_subgroup) . "\n" ); |
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# DEV NOTE: don't use RPerl::Generator::source_group_append() due to cross-wiring H-from-CPP below |
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$cpp_source_group->{H} .= $cpp_source_subgroup->{CPP}; |
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if ( ( exists $cpp_source_subgroup->{H_INCLUDES} ) and ( defined $cpp_source_subgroup->{H_INCLUDES} ) ) { |
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$cpp_source_group->{H_INCLUDES} .= $cpp_source_subgroup->{H_INCLUDES}; |
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} |
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} |
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158
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$cpp_source_group->{H} .= ');'; |
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return $cpp_source_group; |
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}; |
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162
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our string_hashref::method $ast_to_cpp__generate__CPPOPS_CPPTYPES = sub { |
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( my object $self, my string_hashref $modes) = @ARG; |
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my string_hashref $cpp_source_group = { CPP => q{} }; |
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166
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# unwrap Subroutine_48 from SubroutineOrMethod_76, only if needed |
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if ((ref $self) eq 'SubroutineOrMethod_76') { $self = $self->{children}->[0]; } |
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my string $return_type = $self->{children}->[1]->{children}->[0]; |
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my string $name = $self->{children}->[2]; |
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my object $arguments_optional = $self->{children}->[4]; |
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my object $operations_star = $self->{children}->[5]; |
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174
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substr $name, 0, 1, q{}; # remove leading $ sigil |
175
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my string_arrayref $arguments = []; |
176
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my object $cpp_source_subgroup; |
177
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178
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#RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), have $arguments_optional = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments_optional) . "\n" ); |
179
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#RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), have $return_type = ' . "\n" . RPerl::Parser::rperl_ast__dump($return_type) . "\n" ); |
180
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181
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$return_type = RPerl::Generator::type_convert_perl_to_cpp($return_type, 1); # $pointerify_classes = 1 |
182
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183
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# DEV NOTE: must prefix subroutine names with namespace-underscores to simulate Perl's behavior of not exporting subroutines by default |
184
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my string $namespace_underscores = q{}; |
185
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if ((exists $modes->{_symbol_table}->{_namespace}) and (defined $modes->{_symbol_table}->{_namespace})) { |
186
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$namespace_underscores = $modes->{_symbol_table}->{_namespace}; |
187
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$namespace_underscores =~ s/:/_/gxms; |
188
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} |
189
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$cpp_source_group->{CPP} .= $return_type . q{ } . $namespace_underscores . $name . '('; |
190
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191
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if ( exists $arguments_optional->{children}->[0] ) { |
192
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$cpp_source_subgroup = $arguments_optional->{children}->[0]->ast_to_cpp__generate__CPPOPS_CPPTYPES($modes); |
193
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194
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# RPerl::diag( 'in Subroutine->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $cpp_source_subgroup = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_subgroup) . "\n" ); |
195
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RPerl::Generator::source_group_append( $cpp_source_group, $cpp_source_subgroup ); |
196
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} |
197
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198
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$cpp_source_group->{CPP} .= ') {' . "\n"; |
199
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my string $CPP_saved = $cpp_source_group->{CPP}; |
200
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$cpp_source_group->{CPP} = q{}; |
201
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202
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foreach my object $operation ( @{ $operations_star->{children} } ) { |
203
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204
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# RPerl::diag( 'in Subroutine->ast_to_cpp__generate_declaration__CPPOPS_CPPTYPES(), have $operation = ' . "\n" . RPerl::Parser::rperl_ast__dump($operation) . "\n" ); |
205
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# disable *_CHECK() and *_CHECKTRACE() data checking routines in CPPOPS_CPPTYPES mode, this is instead handled in xs_unpack_*() called by typemap.rperl |
206
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if (( exists $operation->{children}->[0]->{children}->[0]->{children}->[0] ) |
207
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and ( ( ( substr $operation->{children}->[0]->{children}->[0]->{children}->[0], -6, 6 ) eq '_CHECK' ) |
208
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or ( ( substr $operation->{children}->[0]->{children}->[0]->{children}->[0], -11, 11 ) eq '_CHECKTRACE' ) ) |
209
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) |
210
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{ |
211
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next; |
212
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} |
213
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$cpp_source_subgroup = $operation->ast_to_cpp__generate__CPPOPS_CPPTYPES($modes); |
214
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215
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# RPerl::diag( 'in Subroutine->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $cpp_source_subgroup = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_subgroup) . "\n" ); |
216
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RPerl::Generator::source_group_append( $cpp_source_group, $cpp_source_subgroup ); |
217
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} |
218
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219
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# COMPILE-TIME OPTIMIZATION #02: declare all loop iterators at top of subroutine/method to avoid re-declarations in nested loops |
220
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if ((exists $modes->{_loop_iterators}) and (defined $modes->{_loop_iterators})) { |
221
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foreach my string $loop_iterator_symbol (sort keys %{$modes->{_loop_iterators}}) { |
222
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$CPP_saved .= $modes->{_loop_iterators}->{$loop_iterator_symbol} . q{ } . $loop_iterator_symbol . ';' . "\n"; |
223
|
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|
} |
224
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|
delete $modes->{_loop_iterators}; |
225
|
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} |
226
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|
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227
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|
$CPP_saved .= $cpp_source_group->{CPP}; |
228
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|
$cpp_source_group->{CPP} = $CPP_saved; |
229
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230
|
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|
$cpp_source_group->{CPP} .= '}'; |
231
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232
|
|
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|
return $cpp_source_group; |
233
|
|
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|
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|
}; |
234
|
|
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235
|
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|
our string_hashref::method $ast_to_cpp__generate_shims__CPPOPS_CPPTYPES = sub { |
236
|
|
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|
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|
|
( my object $self, my string_hashref $modes) = @ARG; |
237
|
|
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|
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|
|
# RPerl::diag( 'in Subroutine->ast_to_cpp__generate_shims__CPPOPS_CPPTYPES(), received $modes->{_symbol_table} = ' . "\n" . Dumper($modes->{_symbol_table}) . "\n"); |
238
|
|
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|
|
|
|
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239
|
|
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|
my string_hashref $cpp_source_group = { CPP => q{} }; |
240
|
|
|
|
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|
|
my object $cpp_source_subgroup = undef; |
241
|
|
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242
|
|
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|
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|
|
# unwrap Subroutine_48 from SubroutineOrMethod_76, only if needed |
243
|
|
|
|
|
|
|
if ((ref $self) eq 'SubroutineOrMethod_76') { $self = $self->{children}->[0]; } |
244
|
|
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|
|
|
|
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245
|
|
|
|
|
|
|
# my string $return_type = $self->{children}->[1]->{children}->[0]; # SHIM SUBS DEPRECATED IN FAVOR OF MACROS |
246
|
|
|
|
|
|
|
my string $name = $self->{children}->[2]; |
247
|
|
|
|
|
|
|
my object $arguments_optional = $self->{children}->[4]; |
248
|
|
|
|
|
|
|
|
249
|
|
|
|
|
|
|
#RPerl::diag( 'in Subroutine->ast_to_cpp__generate_shims__CPPOPS_CPPTYPES(), have $arguments_optional = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments_optional) . "\n" ); |
250
|
|
|
|
|
|
|
#RPerl::diag( 'in Subroutine->ast_to_cpp__generate_shims__CPPOPS_CPPTYPES(), have $return_type = ' . "\n" . RPerl::Parser::rperl_ast__dump($return_type) . "\n" ); |
251
|
|
|
|
|
|
|
|
252
|
|
|
|
|
|
|
substr $name, 0, 1, q{}; # remove leading $ sigil |
253
|
|
|
|
|
|
|
|
254
|
|
|
|
|
|
|
if ((substr $name, 0, 1) eq '_') { |
255
|
|
|
|
|
|
|
die 'ERROR ECOGEASCP08, CODE GENERATOR, ABSTRACT SYNTAX TO C++: subroutine name ' . ($name) |
256
|
|
|
|
|
|
|
. ' must not start with underscore, dying' . "\n"; |
257
|
|
|
|
|
|
|
} |
258
|
|
|
|
|
|
|
|
259
|
|
|
|
|
|
|
# DEV NOTE, CORRELATION #rp022: must create shims to un-prefix subroutine names with namespace-underscores to un-simulate Perl's behavior of not exporting subroutines by default |
260
|
|
|
|
|
|
|
my string $namespace_colons = q{}; |
261
|
|
|
|
|
|
|
my string $namespace_underscores = q{}; |
262
|
|
|
|
|
|
|
if ((exists $modes->{_symbol_table}->{_namespace}) and (defined $modes->{_symbol_table}->{_namespace})) { |
263
|
|
|
|
|
|
|
$namespace_colons = $modes->{_symbol_table}->{_namespace}; |
264
|
|
|
|
|
|
|
$namespace_underscores = $namespace_colons; |
265
|
|
|
|
|
|
|
$namespace_underscores =~ s/:/_/gxms; |
266
|
|
|
|
|
|
|
} |
267
|
|
|
|
|
|
|
|
268
|
|
|
|
|
|
|
# DEV NOTE: only generate PMC output file in dynamic (default) subcompile mode |
269
|
|
|
|
|
|
|
if ($modes->{subcompile} eq 'DYNAMIC') { |
270
|
|
|
|
|
|
|
# hard-coded example, PMC subroutine |
271
|
|
|
|
|
|
|
#undef &RPerl::Algorithm::Sort::Bubble::integer_bubblesort; |
272
|
|
|
|
|
|
|
#*RPerl::Algorithm::Sort::Bubble::integer_bubblesort = sub { return main::RPerl__Algorithm__Sort__Bubble__integer_bubblesort(@ARG); }; |
273
|
|
|
|
|
|
|
$cpp_source_group->{PMC} = 'undef &' . $namespace_colons . $name . ';'. "\n"; |
274
|
|
|
|
|
|
|
$cpp_source_group->{PMC} .= '*' . $namespace_colons . $name . ' = sub { return main::' . $namespace_underscores . $name . '(@ARG); };'; |
275
|
|
|
|
|
|
|
} |
276
|
|
|
|
|
|
|
|
277
|
|
|
|
|
|
|
=DEPRECATED IN FAVOR OF MACROS |
278
|
|
|
|
|
|
|
# hard-coded example, CPP subroutine |
279
|
|
|
|
|
|
|
# void display_pi_digits(integer n) { return MathPerl__Geometry__PiDigits__display_pi_digits(n); } |
280
|
|
|
|
|
|
|
|
281
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= $return_type . q{ } . $name . '('; |
282
|
|
|
|
|
|
|
|
283
|
|
|
|
|
|
|
if ( exists $arguments_optional->{children}->[0] ) { |
284
|
|
|
|
|
|
|
$cpp_source_subgroup = $arguments_optional->{children}->[0]->ast_to_cpp__generate__CPPOPS_CPPTYPES($modes); |
285
|
|
|
|
|
|
|
|
286
|
|
|
|
|
|
|
# RPerl::diag( 'in Subroutine->ast_to_cpp__generate_shims__CPPOPS_CPPTYPES(), have $cpp_source_subgroup = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_subgroup) . "\n" ); |
287
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= $cpp_source_subgroup->{CPP}; |
288
|
|
|
|
|
|
|
} |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= ') ' . ' { return ' . $namespace_underscores . $name . '('; |
291
|
|
|
|
|
|
|
|
292
|
|
|
|
|
|
|
# remove type declarations from arguments when passing from shim to real subroutine |
293
|
|
|
|
|
|
|
if (defined $cpp_source_subgroup) { |
294
|
|
|
|
|
|
|
# split on commas, split again on space, discard types, join names on space, join again on commas, append |
295
|
|
|
|
|
|
|
my string_arrayref $split_arguments = [ split ', ', $cpp_source_subgroup->{CPP} ]; |
296
|
|
|
|
|
|
|
my string_arrayref $typeless_arguments = []; |
297
|
|
|
|
|
|
|
foreach my string $argument (@{$split_arguments}) { |
298
|
|
|
|
|
|
|
my string_arrayref $split_argument = [ split /[ ]/xms, $argument ]; |
299
|
|
|
|
|
|
|
push @{$typeless_arguments}, $split_argument->[1]; |
300
|
|
|
|
|
|
|
} |
301
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= ( join ', ', @{$typeless_arguments} ); |
302
|
|
|
|
|
|
|
} |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= '); }'; |
305
|
|
|
|
|
|
|
=cut |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
# hard-coded example, CPP macro |
308
|
|
|
|
|
|
|
# #define display_pi_digits(n) MathPerl__Geometry__PiDigits__display_pi_digits(n) |
309
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= '#define ' . $name . '('; |
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
if ( exists $arguments_optional->{children}->[0] ) { |
312
|
|
|
|
|
|
|
$cpp_source_subgroup = $arguments_optional->{children}->[0]->ast_to_cpp__generate__CPPOPS_CPPTYPES($modes); |
313
|
|
|
|
|
|
|
} |
314
|
|
|
|
|
|
|
|
315
|
|
|
|
|
|
|
# remove type declarations from arguments |
316
|
|
|
|
|
|
|
my string $typeless_arguments_joined = q{}; |
317
|
|
|
|
|
|
|
if (defined $cpp_source_subgroup) { |
318
|
|
|
|
|
|
|
# split on commas, split again on space, discard types, join names on space, join again on commas, append |
319
|
|
|
|
|
|
|
my string_arrayref $split_arguments = [ split ', ', $cpp_source_subgroup->{CPP} ]; |
320
|
|
|
|
|
|
|
my string_arrayref $typeless_arguments = []; |
321
|
|
|
|
|
|
|
foreach my string $argument (@{$split_arguments}) { |
322
|
|
|
|
|
|
|
my string_arrayref $split_argument = [ split /[ ]/xms, $argument ]; |
323
|
|
|
|
|
|
|
push @{$typeless_arguments}, $split_argument->[1]; |
324
|
|
|
|
|
|
|
} |
325
|
|
|
|
|
|
|
$typeless_arguments_joined = ( join ', ', @{$typeless_arguments} ); |
326
|
|
|
|
|
|
|
} |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= $typeless_arguments_joined . ') ' . $namespace_underscores . $name . '(' . $typeless_arguments_joined . ')'; |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
return $cpp_source_group; |
331
|
|
|
|
|
|
|
}; |
332
|
|
|
|
|
|
|
|
333
|
|
|
|
|
|
|
1; # end of class |