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# [[[ DOCUMENTATION ]]] |
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# http://perldoc.perl.org/functions/return.html |
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# SUPPORTED: return EXPR |
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# SUPPORTED: return |
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# [[[ HEADER ]]] |
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package RPerl::Operation::Statement::OperatorVoid::Named::Return; |
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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 = 0.002_010; |
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# [[[ OO INHERITANCE ]]] |
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# NEED FIX: is not a Grammar Rule so should not inherit from OperatorVoid, need create Grammar Production class |
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use parent qw(RPerl::Operation::Statement::OperatorVoid::Named); |
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use RPerl::Operation::Statement::OperatorVoid::Named; |
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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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## no critic qw(ProhibitConstantPragma ProhibitMagicNumbers) # USER DEFAULT 3: allow constants |
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# [[[ CONSTANTS ]]] |
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use constant NAME_PERLOPS_PERLTYPES => my string $TYPED_NAME_PERLOPS_PERLTYPES = 'return'; |
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use constant NAME_CPPOPS_PERLTYPES => my string $TYPED_NAME_CPPOPS_PERLTYPES = 'return'; |
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use constant NAME_CPPOPS_CPPTYPES => my string $TYPED_NAME_CPPOPS_CPPTYPES = 'return'; |
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# DEV NOTE: ARGUMENTS_MIN of 0 can be ignored, no such thing as negative number of args! |
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use constant ARGUMENTS_MIN => my integer $TYPED_ARGUMENTS_MIN = 0; # call 'return;' for all subroutines which return void |
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use constant ARGUMENTS_MAX => my integer $TYPED_ARGUMENTS_MAX = 1; # call 'return @{[ELEM0, ELEM1, ...]};' for all subroutines which return an array; disallow return(ELEM0, ELEM1, ...) multiple return values |
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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, |
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my string_hashref $modes, |
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my object $operator_void_named) |
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= @_; |
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my string_hashref $rperl_source_group = { PMC => q{} }; |
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_rperl__generate(), received $self = ' . "\n" . RPerl::Parser::rperl_ast__dump($self) . "\n" ); |
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_rperl__generate(), received $operator_void_named = ' . "\n" . RPerl::Parser::rperl_ast__dump($operator_void_named) . "\n" ); |
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if ( ref $operator_void_named eq 'OperatorVoid_119' ) { # OperatorVoid -> OP01_NAMED_VOID_SCOLON |
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$rperl_source_group->{PMC} .= $operator_void_named->{children}->[0]; # name semicolon |
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} |
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elsif ( ref $operator_void_named eq 'OperatorVoid_120' ) { # OperatorVoid -> OP01_NAMED_VOID_LPAREN OPTIONAL-32 ')' ';' |
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# DEV NOTE: if $arguments_optional is empty, will generate 'return();' which perltidy will change to 'return ();', both return undef, not empty array, so it's okay |
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$rperl_source_group->{PMC} |
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.= $operator_void_named->{children}->[0]; # name lparen |
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my object $arguments_optional = $operator_void_named->{children}->[1]; |
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if ( exists $arguments_optional->{children}->[0] ) { |
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my object $arguments = $arguments_optional->{children}->[0]; |
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my integer $argument_count = $arguments->length(); |
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if ( $argument_count > ARGUMENTS_MAX() ) { |
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die |
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'ERROR ECOGEASRP03, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL:' |
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. "\n" |
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. 'Argument count ' |
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. $argument_count |
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. ' exceeds maximum argument limit ' |
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. ARGUMENTS_MAX() |
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. ' for operator ' . q{'} |
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. NAME_PERLOPS_PERLTYPES() . q{'} |
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. ', dying' . "\n"; |
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} |
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_rperl__generate(), have $arguments = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments) . "\n" ); |
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if ((( ref $arguments->{children}->[0] ) eq 'ListElement_191' ) and ( exists $arguments->{children}->[0]->{children}->[0] )) |
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{ |
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my object $arguments_subexpression = $arguments->{children}->[0]->{children}->[0]; |
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# look inside nested parenthesis-as-subexpressions, always length 1 so no need to check length |
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while ((ref $arguments_subexpression) eq 'SubExpression_143') { # RPerl::Operation::Expression::SubExpression::Parenthesis |
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$arguments_subexpression = $arguments_subexpression->{children}->[1]; |
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} |
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if (( ref $arguments_subexpression ) eq 'SubExpression_140' ) { |
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die 'ERROR ECOGEASRP04, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL:' . "\n" . 'Attempt to return dereferenced array, please return arrayref instead, dying' . "\n"; |
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} |
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elsif (( ref $arguments_subexpression ) eq 'SubExpression_142' ) { |
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die 'ERROR ECOGEASRP05, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL:' . "\n" . 'Attempt to return dereferenced hash, please return hashref instead, dying' . "\n"; |
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} |
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} |
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my string_hashref $rperl_source_subgroup |
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= $arguments->ast_to_rperl__generate( $modes, $self ); |
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RPerl::Generator::source_group_append( $rperl_source_group, |
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$rperl_source_subgroup ); |
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} |
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$rperl_source_group->{PMC} .= $operator_void_named->{children}->[2] |
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. $operator_void_named->{children}->[3]; # rparen semicolon |
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} |
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elsif ( ref $operator_void_named eq 'OperatorVoid_121' ) { # OperatorVoid -> OP01_NAMED_VOID ListElements ';' |
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$rperl_source_group->{PMC} |
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.= $operator_void_named->{children}->[0] . q{ }; # name |
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my object $arguments = $operator_void_named->{children}->[1]; |
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my integer $argument_count = $arguments->length(); |
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if ( $argument_count > ARGUMENTS_MAX() ) { |
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die |
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'ERROR ECOGEASRP03, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL:' |
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. "\n" |
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. 'Argument count ' |
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. $argument_count |
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. ' exceeds maximum argument limit ' |
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. ARGUMENTS_MAX() |
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. ' for operator ' . q{'} |
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. NAME_PERLOPS_PERLTYPES() . q{'} |
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. ', dying' . "\n"; |
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} |
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_rperl__generate(), have $arguments = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments) . "\n" ); |
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if ((( ref $arguments->{children}->[0] ) eq 'ListElement_191' ) and ( exists $arguments->{children}->[0]->{children}->[0] )) |
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{ |
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my object $arguments_subexpression = $arguments->{children}->[0]->{children}->[0]; |
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# look inside nested parenthesis-as-subexpressions, always length 1 so no need to check length |
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while ((ref $arguments_subexpression) eq 'SubExpression_143') { # RPerl::Operation::Expression::SubExpression::Parenthesis |
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$arguments_subexpression = $arguments_subexpression->{children}->[1]; |
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} |
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if (( ref $arguments_subexpression ) eq 'SubExpression_140' ) { |
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die 'ERROR ECOGEASRP04, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL:' . "\n" . 'Attempt to return dereferenced array, please return arrayref instead, dying' . "\n"; |
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} |
121
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elsif (( ref $arguments_subexpression ) eq 'SubExpression_142' ) { |
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die 'ERROR ECOGEASRP05, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL:' . "\n" . 'Attempt to return dereferenced hash, please return hashref instead, dying' . "\n"; |
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} |
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} |
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my string_hashref $rperl_source_subgroup |
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= $arguments->ast_to_rperl__generate( $modes, $self ); |
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RPerl::Generator::source_group_append( $rperl_source_group, |
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$rperl_source_subgroup ); |
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$rperl_source_group->{PMC} .= $operator_void_named->{children}->[2]; # semicolon |
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} |
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else { |
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die RPerl::Parser::rperl_rule__replace( |
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'ERROR ECOGEASRP00, CODE GENERATOR, ABSTRACT SYNTAX TO RPERL: Grammar rule ' |
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. ( ref $operator_void_named ) |
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. ' found where OperatorVoid_119, OperatorVoid_120, or OperatorVoid_121 expected, dying' |
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) . "\n"; |
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} |
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139
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$rperl_source_group->{PMC} .= "\n"; |
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return $rperl_source_group; |
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}; |
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143
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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 |
146
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= { CPP => |
147
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q{// <<< RP::O::S::OV::N::R __DUMMY_SOURCE_CODE CPPOPS_PERLTYPES >>>} |
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. "\n" }; |
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150
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#... |
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return $cpp_source_group; |
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}; |
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154
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# DEV NOTE: PERLOPS_PERLTYPES & CPPOPS_CPPTYPES code generation are exactly equivalent |
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our string_hashref::method $ast_to_cpp__generate__CPPOPS_CPPTYPES = sub { |
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( my object $self, |
157
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my string_hashref $modes, |
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my object $operator_void_named) |
159
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= @_; |
160
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my string_hashref $cpp_source_group = { CPP => q{} }; |
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162
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_cpp__generate__CPPOPS_CPPTYPES(), received $self = ' . "\n" . RPerl::Parser::rperl_ast__dump($self) . "\n" ); |
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_cpp__generate__CPPOPS_CPPTYPES(), received $operator_void_named = ' . "\n" . RPerl::Parser::rperl_ast__dump($operator_void_named) . "\n" ); |
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165
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if ( ref $operator_void_named eq 'OperatorVoid_119' ) { # OperatorVoid -> OP01_NAMED_VOID_SCOLON |
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$cpp_source_group->{CPP} .= $operator_void_named->{children}->[0]; # name semicolon |
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} |
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elsif ( ref $operator_void_named eq 'OperatorVoid_120' ) { # OperatorVoid -> OP01_NAMED_VOID_LPAREN OPTIONAL-32 ')' ';' |
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170
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# DEV NOTE: if $arguments_optional is empty, will generate 'return();' which perltidy will change to 'return ();', both return undef, not empty array, so it's okay |
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$cpp_source_group->{CPP} |
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.= $operator_void_named->{children}->[0]; # name lparen |
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my object $arguments_optional = $operator_void_named->{children}->[1]; |
174
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if ( exists $arguments_optional->{children}->[0] ) { |
175
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my object $arguments = $arguments_optional->{children}->[0]; |
176
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my integer $argument_count = $arguments->length(); |
177
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if ( $argument_count > ARGUMENTS_MAX() ) { |
178
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die |
179
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|
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|
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'ERROR ECOGEASCP03, CODE GENERATOR, ABSTRACT SYNTAX TO C++:' |
180
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|
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|
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. "\n" |
181
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. 'Argument count ' |
182
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|
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. $argument_count |
183
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|
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. ' exceeds maximum argument limit ' |
184
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|
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|
|
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. ARGUMENTS_MAX() |
185
|
|
|
|
|
|
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. ' for operator ' . q{'} |
186
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|
|
|
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. NAME_PERLOPS_PERLTYPES() . q{'} |
187
|
|
|
|
|
|
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. ', dying' . "\n"; |
188
|
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|
|
|
|
} |
189
|
|
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|
|
|
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# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $arguments = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments) . "\n" ); |
190
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|
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|
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|
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if ((( ref $arguments->{children}->[0] ) eq 'ListElement_191' ) and ( exists $arguments->{children}->[0]->{children}->[0] )) |
191
|
|
|
|
|
|
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{ |
192
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|
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my object $arguments_subexpression = $arguments->{children}->[0]->{children}->[0]; |
193
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|
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|
|
|
|
# look inside nested parenthesis-as-subexpressions, always length 1 so no need to check length |
194
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|
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|
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while ((ref $arguments_subexpression) eq 'SubExpression_143') { # RPerl::Operation::Expression::SubExpression::Parenthesis |
195
|
|
|
|
|
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|
$arguments_subexpression = $arguments_subexpression->{children}->[1]; |
196
|
|
|
|
|
|
|
} |
197
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|
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|
|
|
|
if (( ref $arguments_subexpression ) eq 'SubExpression_140' ) { |
198
|
|
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|
|
|
|
die 'ERROR ECOGEASCP04, CODE GENERATOR, ABSTRACT SYNTAX TO C++:' . "\n" . 'Attempt to return dereferenced array, please return arrayref instead, dying' . "\n"; |
199
|
|
|
|
|
|
|
} |
200
|
|
|
|
|
|
|
elsif (( ref $arguments_subexpression ) eq 'SubExpression_142' ) { |
201
|
|
|
|
|
|
|
die 'ERROR ECOGEASCP05, CODE GENERATOR, ABSTRACT SYNTAX TO C++:' . "\n" . 'Attempt to return dereferenced hash, please return hashref instead, dying' . "\n"; |
202
|
|
|
|
|
|
|
} |
203
|
|
|
|
|
|
|
} |
204
|
|
|
|
|
|
|
my string_hashref $cpp_source_subgroup |
205
|
|
|
|
|
|
|
= $arguments->ast_to_cpp__generate__CPPOPS_CPPTYPES( $modes, $self ); |
206
|
|
|
|
|
|
|
# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $cpp_source_subgroup = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_subgroup) . "\n" ); |
207
|
|
|
|
|
|
|
RPerl::Generator::source_group_append( $cpp_source_group, |
208
|
|
|
|
|
|
|
$cpp_source_subgroup ); |
209
|
|
|
|
|
|
|
} |
210
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= $operator_void_named->{children}->[2] |
211
|
|
|
|
|
|
|
. $operator_void_named->{children}->[3]; # rparen semicolon |
212
|
|
|
|
|
|
|
} |
213
|
|
|
|
|
|
|
elsif ( ref $operator_void_named eq 'OperatorVoid_121' ) { # OperatorVoid -> OP01_NAMED_VOID ListElements ';' |
214
|
|
|
|
|
|
|
$cpp_source_group->{CPP} |
215
|
|
|
|
|
|
|
.= $operator_void_named->{children}->[0] . q{ }; # name |
216
|
|
|
|
|
|
|
my object $arguments = $operator_void_named->{children}->[1]; |
217
|
|
|
|
|
|
|
my integer $argument_count = $arguments->length(); |
218
|
|
|
|
|
|
|
if ( $argument_count > ARGUMENTS_MAX() ) { |
219
|
|
|
|
|
|
|
die |
220
|
|
|
|
|
|
|
'ERROR ECOGEASCP03, CODE GENERATOR, ABSTRACT SYNTAX TO C++:' |
221
|
|
|
|
|
|
|
. "\n" |
222
|
|
|
|
|
|
|
. 'Argument count ' |
223
|
|
|
|
|
|
|
. $argument_count |
224
|
|
|
|
|
|
|
. ' exceeds maximum argument limit ' |
225
|
|
|
|
|
|
|
. ARGUMENTS_MAX() |
226
|
|
|
|
|
|
|
. ' for operator ' . q{'} |
227
|
|
|
|
|
|
|
. NAME_PERLOPS_PERLTYPES() . q{'} |
228
|
|
|
|
|
|
|
. ', dying' . "\n"; |
229
|
|
|
|
|
|
|
} |
230
|
|
|
|
|
|
|
# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $arguments = ' . "\n" . RPerl::Parser::rperl_ast__dump($arguments) . "\n" ); |
231
|
|
|
|
|
|
|
if ((( ref $arguments->{children}->[0] ) eq 'ListElement_191' ) and ( exists $arguments->{children}->[0]->{children}->[0] )) |
232
|
|
|
|
|
|
|
{ |
233
|
|
|
|
|
|
|
my object $arguments_subexpression = $arguments->{children}->[0]->{children}->[0]; |
234
|
|
|
|
|
|
|
# look inside nested parenthesis-as-subexpressions, always length 1 so no need to check length |
235
|
|
|
|
|
|
|
while ((ref $arguments_subexpression) eq 'SubExpression_143') { # RPerl::Operation::Expression::SubExpression::Parenthesis |
236
|
|
|
|
|
|
|
$arguments_subexpression = $arguments_subexpression->{children}->[1]; |
237
|
|
|
|
|
|
|
} |
238
|
|
|
|
|
|
|
if (( ref $arguments_subexpression ) eq 'SubExpression_140' ) { |
239
|
|
|
|
|
|
|
die 'ERROR ECOGEASCP04, CODE GENERATOR, ABSTRACT SYNTAX TO C++:' . "\n" . 'Attempt to return dereferenced array, please return arrayref instead, dying' . "\n"; |
240
|
|
|
|
|
|
|
} |
241
|
|
|
|
|
|
|
elsif (( ref $arguments_subexpression ) eq 'SubExpression_142' ) { |
242
|
|
|
|
|
|
|
die 'ERROR ECOGEASCP05, CODE GENERATOR, ABSTRACT SYNTAX TO C++:' . "\n" . 'Attempt to return dereferenced hash, please return hashref instead, dying' . "\n"; |
243
|
|
|
|
|
|
|
} |
244
|
|
|
|
|
|
|
} |
245
|
|
|
|
|
|
|
my string_hashref $cpp_source_subgroup |
246
|
|
|
|
|
|
|
= $arguments->ast_to_cpp__generate__CPPOPS_CPPTYPES( $modes, $self ); |
247
|
|
|
|
|
|
|
# RPerl::diag( 'in OperatorVoid::Named::Return->ast_to_cpp__generate__CPPOPS_CPPTYPES(), have $cpp_source_subgroup = ' . "\n" . RPerl::Parser::rperl_ast__dump($cpp_source_subgroup) . "\n" ); |
248
|
|
|
|
|
|
|
RPerl::Generator::source_group_append( $cpp_source_group, |
249
|
|
|
|
|
|
|
$cpp_source_subgroup ); |
250
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= $operator_void_named->{children}->[2]; # semicolon |
251
|
|
|
|
|
|
|
} |
252
|
|
|
|
|
|
|
else { |
253
|
|
|
|
|
|
|
die RPerl::Parser::rperl_rule__replace( |
254
|
|
|
|
|
|
|
'ERROR ECOGEASCP00, CODE GENERATOR, ABSTRACT SYNTAX TO C++: Grammar rule ' |
255
|
|
|
|
|
|
|
. ( ref $operator_void_named ) |
256
|
|
|
|
|
|
|
. ' found where OperatorVoid_119, OperatorVoid_120, or OperatorVoid_121 expected, dying' |
257
|
|
|
|
|
|
|
) . "\n"; |
258
|
|
|
|
|
|
|
} |
259
|
|
|
|
|
|
|
|
260
|
|
|
|
|
|
|
$cpp_source_group->{CPP} .= "\n"; |
261
|
|
|
|
|
|
|
return $cpp_source_group; |
262
|
|
|
|
|
|
|
}; |
263
|
|
|
|
|
|
|
|
264
|
|
|
|
|
|
|
1; # end of class |