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mirror of https://github.com/postgres/postgres.git synced 2025-05-08 07:21:33 +03:00

ecpg: remove check_rules.pl.

As noted in the previous commit, check_rules.pl is now entirely
redundant with checks made by parse.pl, or would be if it weren't
for the places where it's wrong.  It's a waste of build cycles
and maintenance effort, so remove it.

Discussion: https://postgr.es/m/2011420.1713493114@sss.pgh.pa.us
This commit is contained in:
Tom Lane 2024-10-14 13:33:41 -04:00
parent 00b0e7204d
commit 293fd24425
3 changed files with 1 additions and 219 deletions

View File

@ -64,8 +64,7 @@ preproc.h: preproc.c
preproc.c: BISONFLAGS += -d preproc.c: BISONFLAGS += -d
preproc.y: ../../../backend/parser/gram.y parse.pl check_rules.pl ecpg.addons ecpg.header ecpg.tokens ecpg.trailer ecpg.type preproc.y: ../../../backend/parser/gram.y parse.pl ecpg.addons ecpg.header ecpg.tokens ecpg.trailer ecpg.type
$(PERL) $(srcdir)/check_rules.pl --srcdir $(srcdir) --parser $<
$(PERL) $(srcdir)/parse.pl --srcdir $(srcdir) --parser $< --output $@ $(PERL) $(srcdir)/parse.pl --srcdir $(srcdir) --parser $< --output $@
# generate keyword headers # generate keyword headers

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@ -1,202 +0,0 @@
#!/usr/bin/perl
# src/interfaces/ecpg/preproc/check_rules.pl
# test parser generator for ecpg
# call with backend grammar as stdin
#
# Copyright (c) 2009-2024, PostgreSQL Global Development Group
#
# Written by Michael Meskes <meskes@postgresql.org>
# Andy Colson <andy@squeakycode.net>
#
# Placed under the same license as PostgreSQL.
#
# Command line: [-v] [path only to ecpg.addons] [full filename of gram.y]
# -v enables verbose mode... show's some stats... thought it might be interesting
#
# This script loads rule names from gram.y and sets $found{rule} = 1 for each.
# Then it checks to make sure each rule in ecpg.addons was found in gram.y
use strict;
use warnings FATAL => 'all';
use Getopt::Long;
my $srcdir = '.';
my $parser = '../../../backend/parser/gram.y';
my $stamp = '';
my $verbose = 0;
GetOptions(
'srcdir=s' => \$srcdir,
'parser=s' => \$parser,
'stamp=s' => \$stamp,
'verbose' => \$verbose,) or die "wrong arguments";
my $filename = "$srcdir/ecpg.addons";
if ($verbose)
{
print "parser: $parser\n";
print "addons: $filename\n";
}
my %replace_line = (
'ExecuteStmtEXECUTEnameexecute_param_clause' =>
'EXECUTE prepared_name execute_param_clause execute_rest',
'ExecuteStmtCREATEOptTempTABLEcreate_as_targetASEXECUTEnameexecute_param_clauseopt_with_data'
=> 'CREATE OptTemp TABLE create_as_target AS EXECUTE prepared_name execute_param_clause opt_with_data execute_rest',
'ExecuteStmtCREATEOptTempTABLEIF_PNOTEXISTScreate_as_targetASEXECUTEnameexecute_param_clauseopt_with_data'
=> 'CREATE OptTemp TABLE IF_P NOT EXISTS create_as_target AS EXECUTE prepared_name execute_param_clause opt_with_data execute_rest',
'PrepareStmtPREPAREnameprep_type_clauseASPreparableStmt' =>
'PREPARE prepared_name prep_type_clause AS PreparableStmt');
my $block = '';
my $yaccmode = 0;
my $in_rule = 0;
my $brace_indent = 0;
my (@arr, %found);
my $comment = 0;
my $non_term_id = '';
my $cc = 0;
open my $parser_fh, '<', $parser or die $!;
while (<$parser_fh>)
{
if (/^%%/)
{
$yaccmode++;
}
if ($yaccmode != 1)
{
next;
}
chomp; # strip record separator
next if ($_ eq '');
# 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 $n = (@arr = split(' '));
# Go through each field in turn
for (my $fieldIndexer = 0; $fieldIndexer < $n; $fieldIndexer++)
{
if ($arr[$fieldIndexer] eq '*/' && $comment)
{
$comment = 0;
next;
}
elsif ($comment)
{
next;
}
elsif ($arr[$fieldIndexer] eq '/*')
{
# start of a multiline comment
$comment = 1;
next;
}
elsif ($arr[$fieldIndexer] eq '//')
{
next;
}
elsif ($arr[$fieldIndexer] eq '}')
{
$brace_indent--;
next;
}
elsif ($arr[$fieldIndexer] eq '{')
{
$brace_indent++;
next;
}
if ($brace_indent > 0)
{
next;
}
if ($arr[$fieldIndexer] eq ';' || $arr[$fieldIndexer] eq '|')
{
$block = $non_term_id . $block;
if ($replace_line{$block})
{
$block = $non_term_id . $replace_line{$block};
$block =~ tr/ |//d;
}
$found{$block} = 1;
$cc++;
$block = '';
$in_rule = 0 if $arr[$fieldIndexer] eq ';';
}
elsif (
($arr[$fieldIndexer] =~ '[A-Za-z0-9]+:')
|| ( $fieldIndexer + 1 < $n
&& $arr[ $fieldIndexer + 1 ] eq ':'))
{
die "unterminated rule at grammar line $.\n"
if $in_rule;
$in_rule = 1;
$non_term_id = $arr[$fieldIndexer];
$non_term_id =~ tr/://d;
}
else
{
$block = $block . $arr[$fieldIndexer];
}
}
}
die "unterminated rule at end of grammar\n"
if $in_rule;
close $parser_fh;
if ($verbose)
{
print "$cc rules loaded\n";
}
my $ret = 0;
$cc = 0;
open my $ecpg_fh, '<', $filename or die $!;
while (<$ecpg_fh>)
{
if (!/^ECPG:/)
{
next;
}
my @Fld = split(' ', $_, 3);
$cc++;
if (not exists $found{ $Fld[1] })
{
print $Fld[1], " is not used for building parser!\n";
$ret = 1;
}
}
close $ecpg_fh;
if ($verbose)
{
print "$cc rules checked\n";
}
if ($stamp)
{
open my $stampfh, '>', $stamp or die $!;
close $stampfh;
}
exit $ret;

View File

@ -44,20 +44,6 @@ preproc_y = custom_target('preproc.y',
) )
generated_sources += preproc_y generated_sources += preproc_y
check_rules = custom_target('preproc.y.check_rules',
input: [
'../../../backend/parser/gram.y',
ecpg_files,
],
output: 'preproc.y.check_rules',
command: [
perl, files('check_rules.pl'),
'--srcdir', '@CURRENT_SOURCE_DIR@',
'--parser', '@INPUT0@',
'--stamp', '@OUTPUT0@',
],
)
preproc = custom_target('preproc.c', preproc = custom_target('preproc.c',
input: preproc_y, input: preproc_y,
kwargs: bison_kw, kwargs: bison_kw,
@ -68,7 +54,6 @@ ecpg_sources += preproc
c_kwlist = custom_target('c_kwlist_d.h', c_kwlist = custom_target('c_kwlist_d.h',
input: ['c_kwlist.h'], input: ['c_kwlist.h'],
output: ['c_kwlist_d.h'], output: ['c_kwlist_d.h'],
depends: check_rules,
depend_files: gen_kwlist_deps, depend_files: gen_kwlist_deps,
command: [gen_kwlist_cmd, '--varname', 'ScanCKeywords', '--no-case-fold'], command: [gen_kwlist_cmd, '--varname', 'ScanCKeywords', '--no-case-fold'],
) )