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More progress on CGrammar.pm
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Pragmatic Software
parent
ca91e34a25
commit
6641bc3cf2
@ -13,8 +13,8 @@ use warnings;
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# These are set automatically by the build/commit script
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use constant {
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BUILD_NAME => "PBot",
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BUILD_REVISION => 619,
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BUILD_DATE => "2014-06-07",
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BUILD_REVISION => 620,
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BUILD_DATE => "2014-06-08",
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};
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1;
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@ -81,7 +81,8 @@ open my $fh, '>', 'code.c' or die "Could not write code: $!";
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print $fh $code;
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close $fh;
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my ($ret, $result) = execute(10, "gcc -std=c89 -pedantic -Werror -Wno-unused -fsyntax-only -fno-diagnostics-show-option -fno-diagnostics-show-caret code.c");
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#my ($ret, $result) = execute(10, "gcc -std=c89 -pedantic -Werror -Wno-unused -fsyntax-only -fno-diagnostics-show-option -fno-diagnostics-show-caret code.c");
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my ($ret, $result) = execute(10, "gcc -std=gnu89 -Werror -Wno-unused -fsyntax-only -fno-diagnostics-show-option -fno-diagnostics-show-caret code.c");
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if(not $force and $ret != 0) {
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$output = $result;
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@ -162,9 +163,9 @@ close $fh;
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$output = `./c2eng.pl code2eng.c` if not defined $output;
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if(not $has_function and not $has_main) {
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$output =~ s/Let 'main' be a function taking no parameters and returning int.\s*To perform the function:\s*//;
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$output =~ s/Let .main. be a function taking no parameters and returning int.\s*To perform the function:\s*//;
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$output =~ s/\s*Return 0.\s*$//;
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$output =~ s/\s*Return 0.\s*End of function 'main'.\s*//;
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$output =~ s/\s*Return 0.\s*End of function .main..\s*//;
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$output =~ s/\s*Do nothing.\s*$//;
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$output =~ s/^\s*(.)/\U$1/;
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}
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@ -13,8 +13,8 @@
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# etc
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{
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my @defined_types = ('FILE');
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my ($basic, $add_on, @basics, $rule_context, $rule_name, @macros, $array_size);
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my @defined_types = ('`FILE`');
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my ($basic, @basics, $rule_name, @macros);
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}
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startrule:
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@ -43,8 +43,6 @@ preproc:
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| pragma
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| preproc_conditional[matchrule => $arg{matchrule}]
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{ $return = $item[-1]; }
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| '#' /^.*\n/
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{ print STDERR "Unknown CPP directive $item[-1]\n"; $return = ""; }
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definition:
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<skip: '[ \t]*'> /\n*/ macro_definition
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@ -183,8 +181,8 @@ function_definition:
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my $return_type = $item{declarator};
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my $name = $item{declarator};
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$name =~ s/^.*?'/'/;
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$return_type =~ s/\'.*\'//;
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$name =~ s/^.*?`/`/;
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$return_type =~ s/`.*`//;
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if ($return_type =~ /\w/ ) {
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$return_type .= "to a ";
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@ -430,7 +428,7 @@ assignment_operator:
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'='
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{
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if ($arg{context} eq 'statement') {
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$return = ['Assign to', ' the value' ] ;
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$return = ['Assign to', ' the value' ];
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} else {
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$return = ', which is assigned to be ';
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}
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@ -602,7 +600,7 @@ declaration:
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declaration_specifiers init_declarator_list(?) ';'
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{
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# This whole thing needs to be re-written to parse declarations inside-out.
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my @init_list = @{$item{'init_declarator_list(?)'}->[0]};
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my @init_list = defined $item{'init_declarator_list(?)'}->[0] ? @{$item{'init_declarator_list(?)'}->[0]} : ('');
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my $init_declaration_list;
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if ($item{declaration_specifiers} =~ s/type definition of //) {
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@ -616,8 +614,7 @@ declaration:
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$return = "Let $init_declaration_list be another name for $item{declaration_specifiers}.\n";
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# add to defined types, removing single-quotes
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push @defined_types, map { s/'//g; $_ } @init_list;
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push @defined_types, @init_list;
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} else {
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my $and = @init_list > 1 ? ' and' : '';
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@ -632,7 +629,11 @@ declaration:
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$match_prefix = undef;
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}
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$return .= $name;
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if(length $name) {
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$return .= $name;
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} else {
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$return .= 'there';
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}
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for(my $i = 0; $i < @init_list; $i++) {
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my ($prefix, $name) = split / ([^ ]+)$/, $init_list[$i];
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@ -681,8 +682,8 @@ init_declarator:
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} else {
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$return = "initialized to $init as ";
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}
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$return .= $item{declarator};
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}
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$return .= $item{declarator};
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}
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initializer:
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@ -751,7 +752,6 @@ postfix_expression:
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push @basics, $basic;
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$basic = $item{primary_expression};
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$add_on = 0 ;
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$return = $item{primary_expression};
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1;
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}
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@ -940,7 +940,7 @@ primary_expression:
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| string
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| identifier
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{
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$return = "`$item{identifier}`";
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$return = "$item{identifier}";
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}
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declarator:
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@ -952,9 +952,9 @@ direct_declarator:
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identifier[context => 'direct_declarator'] array_declarator(s?)
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{
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if(@{$item{'array_declarator(s?)'}}) {
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$return = join('', @{$item{'array_declarator(s?)'}}) . "'$item{identifier}'";
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$return = join('', @{$item{'array_declarator(s?)'}}) . "$item{identifier}";
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} else {
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$return = "'$item{identifier}'";
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$return = "$item{identifier}";
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}
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}
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| '(' declarator ')' array_declarator(s)
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@ -978,9 +978,9 @@ array_declarator:
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( '[' assignment_expression(?) ']'
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{
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if (@{$item{'assignment_expression(?)'}}) {
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$array_size = 'size '. join('',@{$item{'assignment_expression(?)'}}) . ' ';
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$return = 'size '. join('',@{$item{'assignment_expression(?)'}}) . ' ';
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} else {
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$array_size = 'unspecified size ';
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$return = 'unspecified size ';
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}
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}
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)(s?)
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@ -1161,13 +1161,14 @@ struct_or_union_specifier:
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comment(?) struct_or_union identifier(?) '{' struct_declaration_list '}'
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{
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my $identifier = join('',@{$item{'identifier(?)'}});
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$return = join('',@{$item{'comment(?)'}}) . $item{struct_or_union} ;
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if ($identifier) { $return .= ", called $identifier, "; }
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$return .= "which contains the following:\n" . $item{struct_declaration_list};
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$return = join('',@{$item{'comment(?)'}}) . $item{struct_or_union};
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if ($identifier) { $return .= " tagged $identifier"; }
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$return .= " which contains the following:\n" . $item{struct_declaration_list};
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}
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| struct_or_union identifier
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{
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$return = "the $item{struct_or_union} $item{identifier}";
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$item{struct_or_union} =~ s/^(a|an)/the/;
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$return = "$item{struct_or_union} $item{identifier}";
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}
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struct_declaration_list:
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@ -1186,7 +1187,8 @@ struct_declaration_list:
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}
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struct_declaration:
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comment(?) specifier_qualifier_list struct_declarator_list ';'
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specifier_qualifier_list ';'
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| comment(?) specifier_qualifier_list struct_declarator_list ';'
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{ $return = join('', @{$item{'comment(?)'}}) . $item{specifier_qualifier_list} . ' ' . $item{struct_declarator_list}; }
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type_name:
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@ -1196,6 +1198,8 @@ type_name:
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specifier_qualifier_list:
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type_specifier specifier_qualifier_list(?)
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{ $return = $item{type_specifier} . join('', @{$item{'specifier_qualifier_list(?)'}}); }
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| type_specifier
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{ $return = $item{type_specifier}; }
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struct_declarator_list:
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struct_declarator
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@ -1210,7 +1214,9 @@ struct_declarator:
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struct_or_union:
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comment(?) ('struct'
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{ $return = 'a structure'; }
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| 'an union') comment(?)
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| 'union'
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{ $return = 'an union'; }
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) comment(?)
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{
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shift @item;
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foreach (@item) {
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@ -1317,6 +1323,7 @@ integer_constant:
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identifier_word:
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/[a-z_\$][a-z0-9_]*/i
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{ $return = "`$item[-1]`"; }
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string:
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/".*?[^\"]"/ # FIXME: doesn't handle escaped quotes
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