mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-21 08:29:39 +08:00
Move parse2.pl to parse.pl
We have a SCM, so we don't need to keep old versions of files around.
This commit is contained in:
parent
2fccc881a9
commit
030a2831a8
@ -57,8 +57,8 @@ else
|
||||
@$(missing) flex $< $@
|
||||
endif
|
||||
|
||||
preproc.y: ../../../backend/parser/gram.y parse2.pl ecpg.addons ecpg.header ecpg.tokens ecpg.trailer ecpg.type
|
||||
$(PERL) $(srcdir)/parse2.pl $(srcdir) < $< > $@
|
||||
preproc.y: ../../../backend/parser/gram.y parse.pl ecpg.addons ecpg.header ecpg.tokens ecpg.trailer ecpg.type
|
||||
$(PERL) $(srcdir)/parse.pl $(srcdir) < $< > $@
|
||||
$(PERL) $(srcdir)/check_rules.pl $(srcdir) $<
|
||||
|
||||
ecpg_keywords.o c_keywords.o keywords.o preproc.o parser.o: preproc.h
|
||||
|
@ -3,7 +3,7 @@ ECPG modifies and extends the core grammar in a way that
|
||||
defined in ecpg.tokens, types are defined in ecpg.type
|
||||
2) most tokens from the core grammar are simply converted
|
||||
to literals concatenated together to form the SQL string
|
||||
passed to the server, this is done by parse2.pl.
|
||||
passed to the server, this is done by parse.pl.
|
||||
3) some rules need side-effects, actions are either added
|
||||
or completely overridden (compared to the basic token
|
||||
concatenation) for them, these are defined in ecpg.addons,
|
||||
@ -20,7 +20,7 @@ rules concatenated together. e.g. if gram.y has this:
|
||||
ruleA: tokenA tokenB tokenC {...}
|
||||
then "dumpedtokens" is "ruleAtokenAtokenBtokenC".
|
||||
"postfix" above can be:
|
||||
a) "block" - the automatic rule created by parse2.pl is completely
|
||||
a) "block" - the automatic rule created by parse.pl is completely
|
||||
overridden, the code block has to be written completely as
|
||||
it were in a plain bison grammar
|
||||
b) "rule" - the automatic rule is extended on, so new syntaxes
|
||||
|
@ -1591,7 +1591,7 @@ ECPGCKeywords: S_AUTO { $$ = mm_strdup("auto"); }
|
||||
* CONNECTION can be added back in all_unreserved_keyword, but CURRENT and
|
||||
* INPUT are reserved for ecpg purposes.
|
||||
*
|
||||
* The mentioned exclusions are done by $replace_line settings in parse2.pl.
|
||||
* The mentioned exclusions are done by $replace_line settings in parse.pl.
|
||||
*/
|
||||
all_unreserved_keyword: unreserved_keyword { $$ = $1; }
|
||||
| ECPGunreserved_interval { $$ = $1; }
|
||||
|
File diff suppressed because it is too large
Load Diff
@ -1,648 +0,0 @@
|
||||
#!/usr/bin/perl
|
||||
# src/interfaces/ecpg/preproc/parse2.pl
|
||||
# parser generater for ecpg version 2
|
||||
# call with backend parser as stdin
|
||||
#
|
||||
# Copyright (c) 2007-2011, PostgreSQL Global Development Group
|
||||
#
|
||||
# Written by Mike Aubury <mike.aubury@aubit.com>
|
||||
# Michael Meskes <meskes@postgresql.org>
|
||||
# Andy Colson <andy@squeakycode.net>
|
||||
#
|
||||
# Placed under the same license as PostgreSQL.
|
||||
#
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
no warnings 'uninitialized';
|
||||
|
||||
my $path = shift @ARGV;
|
||||
$path = "." unless $path;
|
||||
|
||||
my $copymode = 0;
|
||||
my $brace_indent = 0;
|
||||
my $yaccmode = 0;
|
||||
my $header_included = 0;
|
||||
my $feature_not_supported = 0;
|
||||
my $tokenmode = 0;
|
||||
|
||||
my(%buff, $infield, $comment, %tokens, %addons );
|
||||
my($stmt_mode, @fields);
|
||||
my($line, $non_term_id);
|
||||
|
||||
|
||||
# some token have to be replaced by other symbols
|
||||
# either in the rule
|
||||
my %replace_token = (
|
||||
'BCONST' => 'ecpg_bconst',
|
||||
'FCONST' => 'ecpg_fconst',
|
||||
'Sconst' => 'ecpg_sconst',
|
||||
'IDENT' => 'ecpg_ident',
|
||||
'PARAM' => 'ecpg_param',
|
||||
);
|
||||
|
||||
# or in the block
|
||||
my %replace_string = (
|
||||
'WITH_TIME' => 'with time',
|
||||
'NULLS_FIRST' => 'nulls first',
|
||||
'NULLS_LAST' => 'nulls last',
|
||||
'TYPECAST' => '::',
|
||||
'DOT_DOT' => '..',
|
||||
'COLON_EQUALS' => ':=',
|
||||
);
|
||||
|
||||
# specific replace_types for specific non-terminals - never include the ':'
|
||||
# ECPG-only replace_types are defined in ecpg-replace_types
|
||||
my %replace_types = (
|
||||
'PrepareStmt' => '<prep>',
|
||||
'opt_array_bounds' => '<index>',
|
||||
|
||||
# "ignore" means: do not create type and rules for this non-term-id
|
||||
'stmtblock' => 'ignore',
|
||||
'stmtmulti' => 'ignore',
|
||||
'CreateAsStmt' => 'ignore',
|
||||
'DeallocateStmt' => 'ignore',
|
||||
'ColId' => 'ignore',
|
||||
'type_function_name' => 'ignore',
|
||||
'ColLabel' => 'ignore',
|
||||
'Sconst' => 'ignore',
|
||||
);
|
||||
|
||||
# these replace_line commands excise certain keywords from the core keyword
|
||||
# lists. Be sure to account for these in ColLabel and related productions.
|
||||
my %replace_line = (
|
||||
'unreserved_keywordCONNECTION' => 'ignore',
|
||||
'unreserved_keywordCURRENT_P' => 'ignore',
|
||||
'unreserved_keywordDAY_P' => 'ignore',
|
||||
'unreserved_keywordHOUR_P' => 'ignore',
|
||||
'unreserved_keywordINPUT_P' => 'ignore',
|
||||
'unreserved_keywordMINUTE_P' => 'ignore',
|
||||
'unreserved_keywordMONTH_P' => 'ignore',
|
||||
'unreserved_keywordSECOND_P' => 'ignore',
|
||||
'unreserved_keywordYEAR_P' => 'ignore',
|
||||
'col_name_keywordCHAR_P' => 'ignore',
|
||||
'col_name_keywordINT_P' => 'ignore',
|
||||
'col_name_keywordVALUES' => 'ignore',
|
||||
'reserved_keywordTO' => 'ignore',
|
||||
'reserved_keywordUNION' => 'ignore',
|
||||
|
||||
# some other production rules have to be ignored or replaced
|
||||
'fetch_argsFORWARDopt_from_incursor_name' => 'ignore',
|
||||
'fetch_argsBACKWARDopt_from_incursor_name' => 'ignore',
|
||||
"opt_array_boundsopt_array_bounds'['Iconst']'" => 'ignore',
|
||||
'VariableShowStmtSHOWvar_name' => 'SHOW var_name ecpg_into',
|
||||
'VariableShowStmtSHOWTIMEZONE' => 'SHOW TIME ZONE ecpg_into',
|
||||
'VariableShowStmtSHOWTRANSACTIONISOLATIONLEVEL' => 'SHOW TRANSACTION ISOLATION LEVEL ecpg_into',
|
||||
'VariableShowStmtSHOWSESSIONAUTHORIZATION' => 'SHOW SESSION AUTHORIZATION ecpg_into',
|
||||
'returning_clauseRETURNINGtarget_list' => 'RETURNING target_list ecpg_into',
|
||||
'ExecuteStmtEXECUTEnameexecute_param_clause' => 'EXECUTE prepared_name execute_param_clause execute_rest',
|
||||
'ExecuteStmtCREATEOptTempTABLEcreate_as_targetASEXECUTEnameexecute_param_clause' =>
|
||||
'CREATE OptTemp TABLE create_as_target AS EXECUTE prepared_name execute_param_clause',
|
||||
'PrepareStmtPREPAREnameprep_type_clauseASPreparableStmt' =>
|
||||
'PREPARE prepared_name prep_type_clause AS PreparableStmt',
|
||||
'var_nameColId' => 'ECPGColId',
|
||||
);
|
||||
|
||||
preload_addons();
|
||||
|
||||
main();
|
||||
|
||||
dump_buffer('header');
|
||||
dump_buffer('tokens');
|
||||
dump_buffer('types');
|
||||
dump_buffer('ecpgtype');
|
||||
dump_buffer('orig_tokens');
|
||||
print '%%', "\n";
|
||||
print 'prog: statements;', "\n";
|
||||
dump_buffer('rules');
|
||||
include_file( 'trailer', 'ecpg.trailer' );
|
||||
dump_buffer('trailer');
|
||||
|
||||
sub main
|
||||
{
|
||||
line: while (<>)
|
||||
{
|
||||
if (/ERRCODE_FEATURE_NOT_SUPPORTED/)
|
||||
{
|
||||
$feature_not_supported = 1;
|
||||
next line;
|
||||
}
|
||||
|
||||
chomp;
|
||||
|
||||
# comment out the line below to make the result file match (blank line wise)
|
||||
# the prior version.
|
||||
#next if ($_ eq '');
|
||||
|
||||
# Dump the action for a rule -
|
||||
# stmt_mode indicates if we are processing the 'stmt:'
|
||||
# rule (mode==0 means normal, mode==1 means stmt:)
|
||||
# flds are the fields to use. These may start with a '$' - in
|
||||
# which case they are the result of a previous non-terminal
|
||||
#
|
||||
# if they dont start with a '$' then they are token name
|
||||
#
|
||||
# len is the number of fields in flds...
|
||||
# leadin is the padding to apply at the beginning (just use for formatting)
|
||||
|
||||
if (/^%%/) {
|
||||
$tokenmode = 2;
|
||||
$copymode = 1;
|
||||
$yaccmode++;
|
||||
$infield = 0;
|
||||
}
|
||||
|
||||
my $prec = 0;
|
||||
|
||||
# Make sure any braces are split
|
||||
s/{/ { /g;
|
||||
s/}/ } /g;
|
||||
|
||||
# Any comments are split
|
||||
s|\/\*| /* |g;
|
||||
s|\*\/| */ |g;
|
||||
|
||||
# Now split the line into individual fields
|
||||
my @arr = split(' ');
|
||||
|
||||
if ( $arr[0] eq '%token' && $tokenmode == 0 )
|
||||
{
|
||||
$tokenmode = 1;
|
||||
include_file( 'tokens', 'ecpg.tokens' );
|
||||
}
|
||||
elsif ( $arr[0] eq '%type' && $header_included == 0 )
|
||||
{
|
||||
include_file( 'header', 'ecpg.header' );
|
||||
include_file( 'ecpgtype', 'ecpg.type' );
|
||||
$header_included = 1;
|
||||
}
|
||||
|
||||
if ( $tokenmode == 1 )
|
||||
{
|
||||
my $str = '';
|
||||
my $prior = '';
|
||||
for my $a (@arr)
|
||||
{
|
||||
if ( $a eq '/*' )
|
||||
{
|
||||
$comment++;
|
||||
next;
|
||||
}
|
||||
if ( $a eq '*/' )
|
||||
{
|
||||
$comment--;
|
||||
next;
|
||||
}
|
||||
if ($comment)
|
||||
{
|
||||
next;
|
||||
}
|
||||
if ( substr( $a, 0, 1 ) eq '<' ) {
|
||||
next;
|
||||
|
||||
# its a type
|
||||
}
|
||||
$tokens{ $a } = 1;
|
||||
|
||||
$str = $str . ' ' . $a;
|
||||
if ( $a eq 'IDENT' && $prior eq '%nonassoc' )
|
||||
{
|
||||
# add two more tokens to the list
|
||||
$str = $str . "\n%nonassoc CSTRING\n%nonassoc UIDENT";
|
||||
}
|
||||
$prior = $a;
|
||||
}
|
||||
add_to_buffer( 'orig_tokens', $str );
|
||||
next line;
|
||||
}
|
||||
|
||||
# Dont worry about anything if we're not in the right section of gram.y
|
||||
if ( $yaccmode != 1 )
|
||||
{
|
||||
next line;
|
||||
}
|
||||
|
||||
|
||||
# Go through each field in turn
|
||||
for (my $fieldIndexer = 0 ; $fieldIndexer < scalar(@arr) ; $fieldIndexer++ )
|
||||
{
|
||||
if ( $arr[$fieldIndexer] eq '*/' && $comment )
|
||||
{
|
||||
$comment = 0;
|
||||
next;
|
||||
}
|
||||
elsif ($comment)
|
||||
{
|
||||
next;
|
||||
}
|
||||
elsif ( $arr[$fieldIndexer] eq '/*' )
|
||||
{
|
||||
# start of a multiline comment
|
||||
$comment = 1;
|
||||
next;
|
||||
}
|
||||
elsif ( $arr[$fieldIndexer] eq '//' )
|
||||
{
|
||||
next line;
|
||||
}
|
||||
elsif ( $arr[$fieldIndexer] eq '}' )
|
||||
{
|
||||
$brace_indent--;
|
||||
next;
|
||||
}
|
||||
elsif ( $arr[$fieldIndexer] eq '{' )
|
||||
{
|
||||
$brace_indent++;
|
||||
next;
|
||||
}
|
||||
|
||||
if ( $brace_indent > 0 )
|
||||
{
|
||||
next;
|
||||
}
|
||||
if ( $arr[$fieldIndexer] eq ';' )
|
||||
{
|
||||
if ($copymode)
|
||||
{
|
||||
if ( $infield )
|
||||
{
|
||||
dump_line( $stmt_mode, \@fields );
|
||||
}
|
||||
add_to_buffer( 'rules', ";\n\n" );
|
||||
}
|
||||
else
|
||||
{
|
||||
$copymode = 1;
|
||||
}
|
||||
@fields = ();
|
||||
$infield = 0;
|
||||
$line = '';
|
||||
next;
|
||||
}
|
||||
|
||||
if ( $arr[$fieldIndexer] eq '|' )
|
||||
{
|
||||
if ($copymode)
|
||||
{
|
||||
if ( $infield )
|
||||
{
|
||||
$infield = $infield + dump_line( $stmt_mode, \@fields );
|
||||
}
|
||||
if ( $infield > 1 )
|
||||
{
|
||||
$line = '| ';
|
||||
}
|
||||
}
|
||||
@fields = ();
|
||||
next;
|
||||
}
|
||||
|
||||
if ( exists $replace_token{ $arr[$fieldIndexer] } )
|
||||
{
|
||||
$arr[$fieldIndexer] = $replace_token{ $arr[$fieldIndexer] };
|
||||
}
|
||||
|
||||
# Are we looking at a declaration of a non-terminal ?
|
||||
if ( ( $arr[$fieldIndexer] =~ /[A-Za-z0-9]+:/ )
|
||||
|| $arr[ $fieldIndexer + 1 ] eq ':' )
|
||||
{
|
||||
$non_term_id = $arr[$fieldIndexer];
|
||||
$non_term_id =~ tr/://d;
|
||||
|
||||
if ( not defined $replace_types{$non_term_id} )
|
||||
{
|
||||
$replace_types{$non_term_id} = '<str>';
|
||||
$copymode = 1;
|
||||
}
|
||||
elsif ( $replace_types{$non_term_id} eq 'ignore' )
|
||||
{
|
||||
$copymode = 0;
|
||||
$line = '';
|
||||
next line;
|
||||
}
|
||||
$line = $line . ' ' . $arr[$fieldIndexer];
|
||||
|
||||
# Do we have the : attached already ?
|
||||
# If yes, we'll have already printed the ':'
|
||||
if ( !( $arr[$fieldIndexer] =~ '[A-Za-z0-9]+:' ) )
|
||||
{
|
||||
# Consume the ':' which is next...
|
||||
$line = $line . ':';
|
||||
$fieldIndexer++;
|
||||
}
|
||||
|
||||
# Special mode?
|
||||
if ( $non_term_id eq 'stmt' )
|
||||
{
|
||||
$stmt_mode = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
$stmt_mode = 0;
|
||||
}
|
||||
my $tstr = '%type ' . $replace_types{$non_term_id} . ' ' . $non_term_id;
|
||||
add_to_buffer( 'types', $tstr );
|
||||
|
||||
if ($copymode)
|
||||
{
|
||||
add_to_buffer( 'rules', $line );
|
||||
}
|
||||
$line = '';
|
||||
@fields = ();
|
||||
$infield = 1;
|
||||
next;
|
||||
}
|
||||
elsif ($copymode) {
|
||||
$line = $line . ' ' . $arr[$fieldIndexer];
|
||||
}
|
||||
if ( $arr[$fieldIndexer] eq '%prec' )
|
||||
{
|
||||
$prec = 1;
|
||||
next;
|
||||
}
|
||||
|
||||
if ( $copymode
|
||||
&& !$prec
|
||||
&& !$comment
|
||||
&& length( $arr[$fieldIndexer] )
|
||||
&& $infield )
|
||||
{
|
||||
if (
|
||||
$arr[$fieldIndexer] ne 'Op'
|
||||
&& ( $tokens{ $arr[$fieldIndexer] } > 0 || $arr[$fieldIndexer] =~ /'.+'/ )
|
||||
|| $stmt_mode == 1
|
||||
)
|
||||
{
|
||||
my $S;
|
||||
if ( exists $replace_string{ $arr[$fieldIndexer] } )
|
||||
{
|
||||
$S = $replace_string{ $arr[$fieldIndexer] };
|
||||
}
|
||||
else
|
||||
{
|
||||
$S = $arr[$fieldIndexer];
|
||||
}
|
||||
$S =~ s/_P//g;
|
||||
$S =~ tr/'//d;
|
||||
if ( $stmt_mode == 1 )
|
||||
{
|
||||
push(@fields, $S);
|
||||
}
|
||||
else
|
||||
{
|
||||
push(@fields, lc($S));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
push(@fields, '$' . (scalar(@fields)+1));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
# append a file onto a buffer.
|
||||
# Arguments: buffer_name, filename (without path)
|
||||
sub include_file
|
||||
{
|
||||
my ($buffer, $filename) = @_;
|
||||
my $full = "$path/$filename";
|
||||
open(my $fh, '<', $full) or die;
|
||||
while ( <$fh> )
|
||||
{
|
||||
chomp;
|
||||
add_to_buffer( $buffer, $_ );
|
||||
}
|
||||
close($fh);
|
||||
}
|
||||
|
||||
sub include_addon
|
||||
{
|
||||
my($buffer, $block, $fields, $stmt_mode) = @_;
|
||||
my $rec = $addons{$block};
|
||||
return 0 unless $rec;
|
||||
|
||||
if ( $rec->{type} eq 'rule' )
|
||||
{
|
||||
dump_fields( $stmt_mode, $fields, ' { ' );
|
||||
}
|
||||
elsif ( $rec->{type} eq 'addon' )
|
||||
{
|
||||
add_to_buffer( 'rules', ' { ' );
|
||||
}
|
||||
|
||||
#add_to_buffer( $stream, $_ );
|
||||
#We have an array to add to the buffer, we'll add it ourself instead of
|
||||
#calling add_to_buffer, which does not know about arrays
|
||||
|
||||
push( @{ $buff{$buffer} }, @{ $rec->{lines} } );
|
||||
|
||||
if ( $rec->{type} eq 'addon' )
|
||||
{
|
||||
dump_fields( $stmt_mode, $fields, '' );
|
||||
}
|
||||
|
||||
|
||||
# if we added something (ie there are lines in our array), return 1
|
||||
return 1 if (scalar(@{ $rec->{lines} }) > 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
# include_addon does this same thing, but does not call this
|
||||
# sub... so if you change this, you need to fix include_addon too
|
||||
# Pass: buffer_name, string_to_append
|
||||
sub add_to_buffer
|
||||
{
|
||||
push( @{ $buff{$_[0]} }, "$_[1]\n" );
|
||||
}
|
||||
|
||||
sub dump_buffer
|
||||
{
|
||||
my($buffer) = @_;
|
||||
print '/* ', $buffer, ' */',"\n";
|
||||
my $ref = $buff{$buffer};
|
||||
print @$ref;
|
||||
}
|
||||
|
||||
sub dump_fields
|
||||
{
|
||||
my ( $mode, $flds, $ln ) = @_;
|
||||
my $len = scalar(@$flds);
|
||||
|
||||
if ( $mode == 0 )
|
||||
{
|
||||
#Normal
|
||||
add_to_buffer( 'rules', $ln );
|
||||
if ( $feature_not_supported == 1 )
|
||||
{
|
||||
# we found an unsupported feature, but we have to
|
||||
# filter out ExecuteStmt: CREATE OptTemp TABLE ...
|
||||
# because the warning there is only valid in some situations
|
||||
if ( $flds->[0] ne 'create' || $flds->[2] ne 'table' )
|
||||
{
|
||||
add_to_buffer( 'rules',
|
||||
'mmerror(PARSE_ERROR, ET_WARNING, "unsupported feature will be passed to server");'
|
||||
);
|
||||
}
|
||||
$feature_not_supported = 0;
|
||||
}
|
||||
|
||||
if ( $len == 0 )
|
||||
{
|
||||
# We have no fields ?
|
||||
add_to_buffer( 'rules', ' $$=EMPTY; }' );
|
||||
}
|
||||
else
|
||||
{
|
||||
# Go through each field and try to 'aggregate' the tokens
|
||||
# into a single 'mm_strdup' where possible
|
||||
my @flds_new;
|
||||
my $str;
|
||||
for ( my $z = 0 ; $z < $len ; $z++ )
|
||||
{
|
||||
if ( substr( $flds->[$z], 0, 1 ) eq '$' )
|
||||
{
|
||||
push(@flds_new, $flds->[$z]);
|
||||
next;
|
||||
}
|
||||
|
||||
$str = $flds->[$z];
|
||||
|
||||
while (1)
|
||||
{
|
||||
if ( $z >= $len - 1 || substr( $flds->[ $z + 1 ], 0, 1 ) eq '$' )
|
||||
{
|
||||
# We're at the end...
|
||||
push(@flds_new, "mm_strdup(\"$str\")");
|
||||
last;
|
||||
}
|
||||
$z++;
|
||||
$str = $str . ' ' . $flds->[$z];
|
||||
}
|
||||
}
|
||||
|
||||
# So - how many fields did we end up with ?
|
||||
$len = scalar(@flds_new);
|
||||
if ( $len == 1 )
|
||||
{
|
||||
# Straight assignement
|
||||
$str = ' $$ = ' . $flds_new[0] . ';';
|
||||
add_to_buffer( 'rules', $str );
|
||||
}
|
||||
else
|
||||
{
|
||||
# Need to concatenate the results to form
|
||||
# our final string
|
||||
$str = ' $$ = cat_str(' . $len . ',' . join(',', @flds_new) . ');';
|
||||
add_to_buffer( 'rules', $str );
|
||||
}
|
||||
add_to_buffer( 'rules', '}' );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
# we're in the stmt: rule
|
||||
if ($len)
|
||||
{
|
||||
# or just the statement ...
|
||||
add_to_buffer( 'rules', ' { output_statement($1, 0, ECPGst_normal); }' );
|
||||
}
|
||||
else
|
||||
{
|
||||
add_to_buffer( 'rules', ' { $$ = NULL; }' );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
sub dump_line
|
||||
{
|
||||
my($stmt_mode, $fields) = @_;
|
||||
my $block = $non_term_id . $line;
|
||||
$block =~ tr/ |//d;
|
||||
my $rep = $replace_line{$block};
|
||||
if ($rep)
|
||||
{
|
||||
if ($rep eq 'ignore' )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
if ( index( $line, '|' ) != -1 )
|
||||
{
|
||||
$line = '| ' . $rep;
|
||||
}
|
||||
else
|
||||
{
|
||||
$line = $rep;
|
||||
}
|
||||
$block = $non_term_id . $line;
|
||||
$block =~ tr/ |//d;
|
||||
}
|
||||
add_to_buffer( 'rules', $line );
|
||||
my $i = include_addon( 'rules', $block, $fields, $stmt_mode);
|
||||
if ( $i == 0 )
|
||||
{
|
||||
dump_fields( $stmt_mode, $fields, ' { ' );
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
=top
|
||||
load addons into cache
|
||||
%addons = {
|
||||
stmtClosePortalStmt => { 'type' => 'block', 'lines' => [ "{", "if (INFORMIX_MODE)" ..., "}" ] },
|
||||
stmtViewStmt => { 'type' => 'rule', 'lines' => [ "| ECPGAllocateDescr", ... ] }
|
||||
}
|
||||
|
||||
=cut
|
||||
sub preload_addons
|
||||
{
|
||||
my $filename = $path . "/ecpg.addons";
|
||||
open(my $fh, '<', $filename) or die;
|
||||
# there may be multple lines starting ECPG: and then multiple lines of code.
|
||||
# the code need to be add to all prior ECPG records.
|
||||
my (@needsRules, @code, $record);
|
||||
# there may be comments before the first ECPG line, skip them
|
||||
my $skip = 1;
|
||||
while ( <$fh> )
|
||||
{
|
||||
if (/^ECPG:\s(\S+)\s?(\w+)?/)
|
||||
{
|
||||
$skip = 0;
|
||||
if (@code)
|
||||
{
|
||||
for my $x (@needsRules)
|
||||
{
|
||||
push(@{ $x->{lines} }, @code);
|
||||
}
|
||||
@code = ();
|
||||
@needsRules = ();
|
||||
}
|
||||
$record = {};
|
||||
$record->{type} = $2;
|
||||
$record->{lines} = [];
|
||||
if (exists $addons{$1}) { die "Ga! there are dups!\n"; }
|
||||
$addons{$1} = $record;
|
||||
push(@needsRules, $record);
|
||||
}
|
||||
else
|
||||
{
|
||||
next if $skip;
|
||||
push(@code, $_);
|
||||
}
|
||||
}
|
||||
close($fh);
|
||||
if (@code)
|
||||
{
|
||||
for my $x (@needsRules)
|
||||
{
|
||||
push(@{ $x->{lines} }, @code);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user