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svn path=/trunk/; revision=16052
This commit is contained in:
Luis Ontanon 2005-09-29 19:56:21 +00:00
parent 598dc71801
commit 2b57849529
2 changed files with 130 additions and 113 deletions
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202
tools/tpg/tpg.pl
View File

@ -52,7 +52,7 @@ my $last_token = '';
$parser->YYData->{DATA}=\$linenum;
my $parser_info = $parser->YYParse(yylex => \&next_token, yyerror => \&error_sub); #yydebug => 0x1f
my $parser_info = $parser->YYParse(yylex => \&next_token, yyerror => \&error_sub);#,yydebug => 0x1f);
die "failed parsing" unless defined $parser_info;
@ -65,6 +65,7 @@ if ($DEBUG > 3) {
my $proto_name = ${$parser_info}{proto_name};
my $upper_name = $proto_name;
$upper_name =~ tr/a-z/A-Z/;
my $global_struct = "$proto_name\_tpg_data";
warn "parser_data_type: ${$parser_info}{pdata}\n" if $DEBUG;
@ -72,74 +73,69 @@ my %exports = %{${$parser_info}{export}};
my $field_num = 0;
my $init_function = "void tpg_$proto_name\_init(void) {\n";
my $tt_type = ${$parser_info}{pdata};
$tt_type =~ s/\n#line.*?\n//ms;
$tt_type =~ s@\n/\*eocode\*/\n@@ms;
my $init_function_hfs = "\n/* initialize hfids */\n";
my $init_function_etts = "\n/* initialize etts */\n";
my $init_function_wanted_decl = "\n/* declare private wanted elements */\n";
my $init_function_wanted = "\n/* initialize wanted elements */\n";
my $callback_definitions = "\n/* callback definitions */\n";
my $datastruct_ett = "\n/* etts */\n";
my $datastruct_hf = "\n/* hfis */\n";
my $datastruct_wanted = "\n/* wanted elems */\n";
my $hfarr = "/* field array */\n#define HF_$upper_name\_PARSER \\\n";
my $ett_arr = "#define ETT_$upper_name\_PARSER \\\n";
for my $fieldname (keys %{${$parser_info}{fields}}) {
my $f = ${${$parser_info}{fields}}{$fieldname};
my $vs = defined ${$f}{vs} ? 'VALS(' . ${$f}{vs}. ')' : "NULL" ;
${$f}{vname} = "$proto_name\_hfis.${$f}{name}" unless defined ${$f}{vname};
${$f}{vname} = "$global_struct.hf_${$f}{name}" unless defined ${$f}{vname};
${$f}{base} = 'BASE_NONE' unless defined ${$f}{base};
${$f}{desc} = '""' unless defined ${$f}{desc};
${$f}{structname} .= "\tint ${$f}{name};\n";
$init_function .= "\t${$f}{vname} = -1;\n";
${$f}{hfi} .= "{ &${$f}{vname}, { ${$f}{pname}, ${$f}{abbr}, ${$f}{type}, ${$f}{base}, $vs, 0x0, ${$f}{desc}, HFILL }},";
$datastruct_hf .= "\tint hf_${$f}{name};\n";
$init_function_hfs .= "\t${$f}{vname} = -1;\n";
$hfarr .= "{ &${$f}{vname}, { ${$f}{pname}, ${$f}{abbr}, ${$f}{type}, ${$f}{base}, $vs, 0x0, ${$f}{desc}, HFILL }},\\\n";
# warn "\nFIELD:$fieldname " . V2P::var2perl($f);
}
my $tt_type = ${$parser_info}{pdata};
$hfarr =~ s/,\\\n$/\n/msi;
$tt_type =~ s/\n#line.*?\n//ms;
$tt_type =~ s@\n/\*eocode\*/\n@@ms;
my $ett_arr = "#define ETT_$upper_name\_PARSER \\\n";
my $ett_decl = '';
my $ett_init = '';
for my $rulename ( keys %{${$parser_info}{rules}} ) {
my $r = ${${$parser_info}{rules}}{$rulename};
# warn "\nRULE BEFORE:$rulename " . V2P::var2perl($r);
make_rule($r,0);
# warn "\nRULE:$rulename " . V2P::var2perl($r);
# warn "\nRULE AFTER:$rulename " . V2P::var2perl($r);
}
$ett_arr =~ s/,\\\n$//ms;
my $hfarr = "/* field array */\n#define HF_$upper_name\_PARSER \\\n";
my $hfstruct = "struct _$proto_name\_hfis_t {\n";
for my $fieldname (sort keys %{${$parser_info}{fields}}) {
my $f = ${${$parser_info}{fields}}{$fieldname};
$hfarr .= ${$f}{hfi} . "\\\n";
$hfstruct .= ${$f}{structname} ;
for my $rulename (sort keys %{${$parser_info}{rules}} ) {
my $r = ${${$parser_info}{rules}}{$rulename};
$callback_definitions .= "\n\n/* callback definitions for rule $rulename */\n";
$callback_definitions .= ${$r}{before_cb_code} . "\n";
$callback_definitions .= ${$r}{after_cb_def} . "\n";
$init_function_wanted .= ${$r}{definition_code} . "\n\n";
}
$hfstruct .= $ett_decl . "};";
$hfarr =~ s/,\\\n$/\n/msi;
my $c_file = '';
my $h_file = '';
$c_file .= <<"__C_HEAD";
/*
$proto_name-parser.c
automagically generated by $0 from $ARGV
DO NOT MODIFY.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "$proto_name-parser.h"
/* begin %head */
${$parser_info}{head}
/* end %head */
__C_HEAD
$h_file .= <<"__H_HEAD";
my $h_file = <<"__H_HEAD";
/*
$proto_name-parser.h
automagically generated by $0 from $ARGV
@ -155,62 +151,64 @@ $h_file .= <<"__H_HEAD";
${$parser_info}{header_head}
/* end %header_head */
extern void tpg_$proto_name\_init(void);
extern void tpg_${proto_name}_init(void);
struct _${proto_name}_tpg_data_t {
$datastruct_ett
$datastruct_hf
$datastruct_wanted
};
extern struct _${global_struct}_t $global_struct;
$hfarr
$ett_arr
#endif
__H_HEAD
$h_file .= "\n/* hfids export container */\n$hfstruct\n";
$h_file .= "\n/* hfids container */\nextern struct _$proto_name\_hfis_t $proto_name\_hfis;\n\n";
$h_file .= $hfarr . "\n\n" . $ett_arr ."\n\n";
my $c_file = <<"__C_FILE";
/*
$proto_name-parser.c
automagically generated by $0 from $ARGV
DO NOT MODIFY.
*/
$c_file .= "\n/* hfids container */\nstruct _$proto_name\_hfis_t $proto_name\_hfis;\n\n";
$h_file .= "/* parser declarations */\n";
$c_file .= "/* parser declarations */\n";
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
for my $rulename (sort keys %{${$parser_info}{rules}} ) {
my $r = ${${$parser_info}{rules}}{$rulename};
if (exists $exports{$rulename}) {
$h_file .= ${$r}{declaration_code};
} else {
$c_file .= ${$r}{declaration_code};
}
}
#include "$proto_name-parser.h"
$c_file .= "\n\n/* parser definitions */\n";
/* begin %head */
${$parser_info}{head}
/* end %head */
for my $rulename (sort keys %{${$parser_info}{rules}} ) {
my $r = ${${$parser_info}{rules}}{$rulename};
$c_file .= "\n\n/* definitions for rule $rulename */\n";
$c_file .= ${$r}{before_cb_code} . "\n";
$c_file .= ${$r}{after_cb_def} . "\n";
$c_file .= ${$r}{definition_code} . "\n\n";
}
/* hfids container */
struct _${proto_name}_tpg_data_t $global_struct;
$h_file .= <<"__H_TAIL";
$callback_definitions
/* end callback definitions */
/* begin %header_tail */
${$parser_info}{header_tail}
/* end %header_tail */
#endif /* _H_$upper_name\_PARSER */
__H_TAIL
$c_file .= <<"__C_TAIL";
$init_function
$ett_init
void tpg_$proto_name\_init(void) {
$init_function_wanted_decl
$init_function_hfs
$init_function_etts
$init_function_wanted
}
/* begin %tail */
${$parser_info}{tail}
/* end %tail */
__C_TAIL
__C_FILE
my $c_buf = '';
my $c_line = 3;
@ -275,17 +273,16 @@ sub make_rule {
if ($dd == 0) {
my %VARS = ();
if (exists $exports{${$r}{name}}) {
${$r}{definition_code} = 'extern ';
${$r}{declaration_code} = '' ;
} else {
${$r}{definition_code} = 'static ';
${$r}{declaration_code} = 'static ';
}
${$code} .= "tvbparse_wanted_t* wanted_$proto_name\_${$r}{name}(void) {\n\treturn ";
${$r}{declaration_code} .= "tvbparse_wanted_t* wanted_$proto_name\_${$r}{name}(void);\n";
if ( exists $exports{${$r}{name}}) {
${$code} = "\t$global_struct.";
$datastruct_wanted .= "\ttvbparse_wanted_t* wanted_$proto_name\_${$r}{name};\n"
} else {
${$code} = "\t";
$init_function_wanted_decl .= "\tstatic tvbparse_wanted_t* wanted_$proto_name\_${$r}{name};\n"
}
${$code} .= "wanted_$proto_name\_${$r}{name} = ";
$VARS{"TT_DATA"} = "TPG_DATA(tpg,$tt_type)" if defined $tt_type;
@ -364,9 +361,11 @@ sub make_rule {
${$code} .= $indent . "tvbparse_casestring($rule_id,$control,$wd_data,$before_fn,$after_fn)";
} elsif (${$r}{type} eq 'named') {
${$code} .= $indent . "wanted_$proto_name\_$control()";
if(exists $exports{$control}) {
${$code} .= $indent . "tvbparse_handle(&$global_struct.wanted_$proto_name\_$control)";
} else {
${$code} .= $indent . "tvbparse_handle(&wanted_$proto_name\_$control)";
}
} elsif (${$r}{type} eq 'seq') {
${$code} .= $indent . "tvbparse_set_seq($rule_id,$wd_data,$before_fn,$after_fn,\n";
@ -392,9 +391,12 @@ sub make_rule {
${$code} .= $indent . " NULL)"
} elsif (${$r}{type} eq 'until') {
${$r}{inc_mode} = 'TP_UNTIL_SPEND' unless defined ${$r}{inc_mode};
${$code} .= $indent ."tvbparse_until(0,$wd_data,$before_fn,$after_fn,\n";
$dd++;
${$code} .= $indent_more . make_rule(${$r}{subrule},$dd) . ", FALSE)";
${$code} .= $indent_more . make_rule(${$r}{subrule},$dd) . ", ${$r}{inc_mode})";
$dd--;
}
@ -404,7 +406,7 @@ sub make_rule {
}
if ($dd == 0) {
${$code} .= ";\n}\n";
${$code} .= ";\n";
# warn "RULE::${$r}{name} " . V2P::var2perl($r);
}
@ -456,10 +458,10 @@ sub make_tree_code {
$root_var = "root_$fieldname";
${$head} .= "\tproto_item* $root_var;\n\n";
${$body} .= "\t$root_var = ";
$ett_arr .= "\t&$proto_name\_hfis.ett_$fieldname,\\\n";
$ett_decl .= "\tguint ett_$fieldname; \n";
$ett_init .= "\t$proto_name\_hfis.ett_$fieldname = -1;\n";
${$r}{ett} = "$proto_name\_hfis.ett_$fieldname";
$ett_arr .= "\t&$global_struct.ett_$fieldname,\\\n";
$datastruct_ett .= "\tguint ett_$fieldname; \n";
$init_function_etts .= "\t$global_struct.ett_$fieldname = -1;\n";
${$r}{ett} = "$global_struct.ett_$fieldname";
} else {
${$body} .= "\t";
}
@ -534,7 +536,7 @@ sub tokenizer {
[ '\[\^((\\\\\\]|[^\\]])*)\]', sub { [ 'NOTCHARS', $_[0] ] }],
[ '\[((\\\\\\]|[^\\]])*)\]', sub { [ 'CHARS', $_[0] ] }],
[ '"((\\\\"|[^"])*)"', sub { [ 'DQUOTED', $_[0] ] }],
[ '(\%[a-z_]+|\%[A-Z][A-Z-]*|\=|\.\.\.|\.|\:|\;|\(|\)|\{|\}|\+|\*|\?|\<|\>|\|)', sub { [ $_[0], $_[0] ] }],
[ '(\%[a-z_]+|\%[A-Z][A-Z-]*|\&|\=|\.\.\.|\.|\:|\;|\(|\)|\{|\}|\+|\*|\?|\<|\>|\|)', sub { [ $_[0], $_[0] ] }],
]
}

41
tools/tpg/tpg.yp
View File

@ -116,8 +116,18 @@ statement:
;
rule_statement:
'%rule' LOWERCASE '=' rule '.' rule_body {
my $r = hj($_[4],$_[6]);
'%sequence' LOWERCASE '=' sequence_rule '.' qualification rule_body {
my $r = hj($_[4],hj($_[6],$_[7]));
${$r}{name} = $_[2];
$r;
}
| '%choice' LOWERCASE '=' choice_rule '.' qualification rule_body {
my $r = hj($_[4],hj($_[6],$_[7]));
${$r}{name} = $_[2];
$r;
}
| '%rule' LOWERCASE '=' complete_rule '.' rule_body {
my $r = hj($_[4],hj($_[6],$_[6]));
${$r}{name} = $_[2];
$r;
}
@ -155,18 +165,12 @@ tree:
| '%root' LOWERCASE {$_[2]}
;
rule:
complete_rule
| sequence {{subrules=>$_[1],type=>'seq'}};
complete_rule:
base_rule cardinality qualification {hj($_[1],hj($_[2],$_[3]))}
;
base_rule:
'(' sequence ')' { {subrules=>$_[2],type=>'seq'}}
| '(' choice ')' {{subrules=>$_[2],type=>'choice'}}
| until_rule
| CHARS {{control=>chars_control($_[1]),type=>'chars'}}
| NOTCHARS {{control=>chars_control($_[1]),type=>'not_chars'}}
@ -176,17 +180,28 @@ base_rule:
;
until_rule:
'...' qualification '{' rule '}' { @{$_[2]}{'type','subrule'} = ('until',$_[4]); $_[2] }
'...' qualification '(' base_rule include_mode ')' { @{$_[2]}{'type','subrule','inc_mode'} = ('until',$_[4],$_[5]); $_[2] }
;
include_mode:
#empty { 'TP_UNTIL_SPEND' }
| '%spend' { 'TP_UNTIL_SPEND' }
| '%include' { 'TP_UNTIL_INCLUDE' }
| '%leave' { 'TP_UNTIL_LEAVE' }
;
choice_rule: choice {{subrules=>$_[1],type=>'choice'}} ;
choice:
complete_rule '|' complete_rule { [$_[1],$_[3]] }
| choice '|' complete_rule { push @{$_[1]}, $_[3]; $_[1] }
;
sequence_rule: sequence { {subrules=>$_[1],type=>'seq'}} ;
sequence:
complete_rule complete_rule { [$_[1],$_[2]] }
| sequence complete_rule { push @{$_[1]}, $_[2]; $_[1] }
complete_rule { [$_[1]] }
| sequence '&' complete_rule { push @{$_[1]}, $_[3]; $_[1] }
;
cardinality:
@ -249,8 +264,8 @@ export_statement:
;
exports:
exports LOWERCASE { ${$_[1]}{$_[2]} = undef; $_[1] }
| LOWERCASE { my $e = {}; ${$e}{$_[1]} = undef; $e }
exports LOWERCASE { ${$_[1]}{$_[2]} = 1; $_[1] }
| LOWERCASE { my $e = {}; ${$e}{$_[1]} = 1; $e }
;
value_string_statement: