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# [[[ HEADER ]]] |
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package RPerl::Operation::Statement::OperatorVoid::Print; |
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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 = 0.004_000; |
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# [[[ OO INHERITANCE ]]] |
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use parent qw(RPerl::Operation::Statement::OperatorVoid); |
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use RPerl::Operation::Statement::OperatorVoid; |
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# [[[ CRITICS ]]] |
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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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# [[[ 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) = @_; |
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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 OperatorVoid::Print->ast_to_rperl__generate(), received $self = ' . "\n" . RPerl::Parser::rperl_ast__dump($self) . "\n" ); |
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my string $self_class = ref $self; |
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if ( $self_class eq 'OperatorVoid_117' ) { # OperatorVoid -> OP01_PRINT OPTIONAL-31 ListElements ';' |
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my string $print = $self->{children}->[0]; |
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my object $stdout_stderr_optional = $self->{children}->[1]; |
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my object $list_elements = $self->{children}->[2]; |
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my string $semicolon = $self->{children}->[3]; |
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# RPerl::diag( 'in OperatorVoid::Print->ast_to_rperl__generate(), have $stdout_stderr_optional = ' . "\n" . RPerl::Parser::rperl_ast__dump($stdout_stderr_optional) . "\n" ); |
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$rperl_source_group->{PMC} .= $print . q{ }; |
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if ( exists $stdout_stderr_optional->{children}->[0] ) { |
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if ( ( $stdout_stderr_optional->{children}->[0]->{attr} ne '{*STDOUT}' ) and ( $stdout_stderr_optional->{children}->[0]->{attr} ne '{*STDERR}' ) ) { |
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die RPerl::Parser::rperl_rule__replace( 'ERROR ECOGEASRP28, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL: output stream ' |
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. $stdout_stderr_optional->{children}->[0]->{attr} |
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. ' found where {*STDOUT} or {*STDERR} expected, dying' ) |
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. "\n"; |
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} |
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# DEV NOTE: STDOUT & STDERR are generated below, they are only grammar tokens, not grammar rules, so they do not get their own classes, the following do not exist: |
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# RPerl::InputOutput::Stderr & RPerl::InputOutput::Stdout |
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$rperl_source_group->{PMC} .= $stdout_stderr_optional->{children}->[0]->{attr} . q{ }; |
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} |
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$rperl_source_subgroup = $list_elements->ast_to_rperl__generate($modes); |
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RPerl::Generator::source_group_append( $rperl_source_group, $rperl_source_subgroup ); |
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$rperl_source_group->{PMC} .= $semicolon . "\n"; |
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} |
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elsif ( $self_class eq 'OperatorVoid_118' ) { # OperatorVoid -> OP01_PRINT FHREF_SYMBOL_BRACES ListElements ';' |
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my string $print = $self->{children}->[0]; |
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my string $fhref_symbol_braces = $self->{children}->[1]; |
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my object $list_elements = $self->{children}->[2]; |
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my string $semicolon = $self->{children}->[3]; |
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$rperl_source_group->{PMC} .= $print . q{ } . $fhref_symbol_braces . q{ }; |
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$rperl_source_subgroup = $list_elements->ast_to_rperl__generate($modes); |
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RPerl::Generator::source_group_append( $rperl_source_group, $rperl_source_subgroup ); |
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$rperl_source_group->{PMC} .= $semicolon . "\n"; |
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} |
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else { |
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die RPerl::Parser::rperl_rule__replace( 'ERROR ECOGEASRP00, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL: Grammar rule ' |
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. $self_class |
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. ' found where OperatorVoid_117 or OperatorVoid_118 expected, dying' ) |
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. "\n"; |
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} |
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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) = @_; |
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my string_hashref $cpp_source_group = { CPP => q{// <<< RP::O::S::OV::P __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__CPPOPS_CPPTYPES = sub { |
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( my object $self, my string_hashref $modes) = @_; |
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my string_hashref $cpp_source_group = { CPP => q{} }; |
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my string_hashref $cpp_source_subgroup; |
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# RPerl::diag( 'in OperatorVoid::Print->ast_to_cpp__generate__CPPOPS_CPPTYPES(), received $self = ' . "\n" . RPerl::Parser::rperl_ast__dump($self) . "\n" ); |
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# NEED FIX PARALLEL: temporarily disabled print operators while inside parallel loop to avoid pluto polycc error |
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if ($modes->{_inside_parallel_loop}) { |
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return $cpp_source_group; |
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} |
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my string $self_class = ref $self; |
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if ( $self_class eq 'OperatorVoid_117' ) { # OperatorVoid -> OP01_PRINT OPTIONAL-31 ListElements ';' |
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my object $stdout_stderr_optional = $self->{children}->[1]; |
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my object $list_elements = $self->{children}->[2]; |
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my string $semicolon = $self->{children}->[3]; |
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# RPerl::diag( 'in OperatorVoid::Print->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $stdout_stderr_optional = ' . "\n" . RPerl::Parser::rperl_ast__dump($stdout_stderr_optional) . "\n" ); |
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# RPerl::diag( 'in OperatorVoid::Print->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $list_elements = ' . "\n" . RPerl::Parser::rperl_ast__dump($list_elements) . "\n" ); |
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if ( exists $stdout_stderr_optional->{children}->[0] ) { |
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if ( $stdout_stderr_optional->{children}->[0]->{attr} eq '{*STDOUT}' ) { |
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# DEV NOTE, CORRELATION #rp100: C++ cout w/ double-less-than << input list separators is equivalent to Perl print w/ comma separators |
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# $cpp_source_group->{CPP} .= 'cout << '; |
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$cpp_source_group->{CPP} .= 'print '; |
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} |
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elsif ( $stdout_stderr_optional->{children}->[0]->{attr} eq '{*STDERR}' ) { |
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# DEV NOTE, CORRELATION #rp101: C++ cerr w/ double-less-than << input list separators is equivalent to Perl print {*STDERR} w/ comma separators |
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# $cpp_source_group->{CPP} .= 'cerr << '; |
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$cpp_source_group->{CPP} .= 'prerr '; |
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} |
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else { |
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die RPerl::Parser::rperl_rule__replace( 'ERROR ECOGEASCP28, CODE GENERATOR, ABSTRACT SYNTAX TO C++: output stream ' |
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. $stdout_stderr_optional->{children}->[0]->{attr} |
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. ' found where {*STDOUT} or {*STDERR} expected, dying' ) |
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. "\n"; |
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} |
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} |
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else { |
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# $cpp_source_group->{CPP} .= 'cout << '; |
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$cpp_source_group->{CPP} .= 'print '; |
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} |
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# DEV NOTE: always use endl instead of "\n" for cout, because Perl immediately flushes buffers on STDOUT newline characters |
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# http://perl.plover.com/FAQs/Buffering.html |
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# When a filehandle is attached to the terminal, as STDOUT is here, it is in line buffered mode by default. |
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# A filehandle in line buffered mode has two special properties: It's flushed automatically whenever you print a newline character to it, |
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# and it's flushed automatically whenever you read from the terminal. |
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# save to stack of saved flags, when needed |
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if ((exists $modes->{_inside_print_operator}) and (defined $modes->{_inside_print_operator})) { |
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if ((not exists $modes->{_inside_print_operator_saved}) or (not defined $modes->{_inside_print_operator_saved})) { |
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$modes->{_inside_print_operator_saved} = []; |
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} |
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push @{$modes->{_inside_print_operator_saved}}, $modes->{_inside_print_operator}; |
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} |
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$modes->{_inside_print_operator} = 1; |
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$cpp_source_subgroup = $list_elements->ast_to_cpp__generate__CPPOPS_CPPTYPES($modes); |
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RPerl::Generator::source_group_append( $cpp_source_group, $cpp_source_subgroup ); |
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# replace closing "\n" with endl |
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if ((substr $cpp_source_group->{CPP}, -4, 4) eq q{"\n"}) { |
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# if (0) { |
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substr $cpp_source_group->{CPP}, -4, 4, q{}; |
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$cpp_source_group->{CPP} .= 'endl'; |
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} |
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$cpp_source_group->{CPP} .= $semicolon . "\n"; |
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# restore from stack of saved flags, when needed |
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delete $modes->{_inside_print_operator}; |
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if ((exists $modes->{_inside_print_operator_saved}) and (defined $modes->{_inside_print_operator_saved}) and (scalar $modes->{_inside_print_operator_saved})) { |
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$modes->{_inside_print_operator} = pop @{$modes->{_inside_print_operator_saved}}; |
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if (not scalar $modes->{_inside_print_operator_saved}) { delete $modes->{_inside_print_operator_saved}; } |
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} |
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} |
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elsif ( $self_class eq 'OperatorVoid_118' ) { # OperatorVoid -> OP01_PRINT FHREF_SYMBOL_BRACES ListElements ';' |
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$cpp_source_group->{CPP} .= '// <<< RP::O::S::OV::P __DUMMY_SOURCE_CODE CPPOPS_CPPTYPES >>>' . "\n"; |
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} |
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else { |
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die RPerl::Parser::rperl_rule__replace( 'ERROR ECOGEASCP00, CODE GENERATOR, ABSTRACT SYNTAX TO C++: Grammar rule ' |
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. $self_class |
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. ' found where OperatorVoid_117 or OperatorVoid_118 expected, dying' ) |
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. "\n"; |
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} |
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# RPerl::diag( 'in OperatorVoid::Print->ast_to_cpp__generate__CPPOPS_CPPTYPES(), about to return $cpp_source_group = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_group) . "\n" ); |
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return $cpp_source_group; |
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}; |
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1; # end of class |