From 81a82a13b2465ab7eaacdd66ed1c77edfa325f18 Mon Sep 17 00:00:00 2001
From: Michael Meskes <meskes@postgresql.org>
Date: Fri, 27 Nov 2009 10:00:40 +0000
Subject: [PATCH] Added script to check if all rule re-definition in
ecpg.addons are indeed used in the build process. If not the build process
will stop with an error message.
---
src/interfaces/ecpg/preproc/Makefile | 3 +-
src/interfaces/ecpg/preproc/check_rules.pl | 136 +++++++++++++++++++++
2 files changed, 138 insertions(+), 1 deletion(-)
create mode 100755 src/interfaces/ecpg/preproc/check_rules.pl
diff --git a/src/interfaces/ecpg/preproc/Makefile b/src/interfaces/ecpg/preproc/Makefile
index e33c0e9c32b..493e095544e 100644
--- a/src/interfaces/ecpg/preproc/Makefile
+++ b/src/interfaces/ecpg/preproc/Makefile
@@ -4,7 +4,7 @@
#
# Copyright (c) 1998-2009, PostgreSQL Global Development Group
#
-# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.146 2009/09/02 19:14:14 mha Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.147 2009/11/27 10:00:40 meskes Exp $
#
#-------------------------------------------------------------------------
@@ -54,6 +54,7 @@ endif
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
diff --git a/src/interfaces/ecpg/preproc/check_rules.pl b/src/interfaces/ecpg/preproc/check_rules.pl
new file mode 100755
index 00000000000..73f4486f859
--- /dev/null
+++ b/src/interfaces/ecpg/preproc/check_rules.pl
@@ -0,0 +1,136 @@
+#!/usr/bin/perl
+# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/check_rules.pl,v 1.1 2009/11/27 10:00:40 meskes Exp $
+# test parser generater for ecpg
+# call with backend parser as stdin
+#
+# Copyright (c) 2009, PostgreSQL Global Development Group
+#
+# Written by Michael Meskes <meskes@postgresql.org>
+#
+# Placed under the same license as PostgreSQL.
+#
+
+if (@ARGV) {
+ $path = $ARGV[0];
+ $parser = $ARGV[1];
+}
+
+$[ = 1; # set array base to 1
+
+if ($path eq '') { $path = "."; }
+$filename = $path . "/ecpg.addons";
+
+if ($parser eq '') { $parser = "../../../backend/parser/gram.y"; }
+
+$replace_line{'ExecuteStmtEXECUTEnameexecute_param_clause'} = 'EXECUTE prepared_name execute_param_clause execute_rest';
+$replace_line{'ExecuteStmtCREATEOptTempTABLEcreate_as_targetASEXECUTEnameexecute_param_clause'} = 'CREATE OptTemp TABLE create_as_target AS EXECUTE prepared_name execute_param_clause';
+$replace_line{'PrepareStmtPREPAREnameprep_type_clauseASPreparableStmt'} = 'PREPARE prepared_name prep_type_clause AS PreparableStmt';
+
+$block = '';
+$ret = 0;
+$yaccmod = 0;
+$brace_indent = 0;
+
+open GRAM, $parser or die $!;
+while (<GRAM>) {
+ chomp; # strip record separator
+
+ if (/^%%/) {
+ $yaccmode++;
+ }
+
+ if ($yaccmode != 1) {
+ next;
+ }
+
+ $S = $_;
+ $prec = 0;
+
+ # Make sure any braces are split
+ $S =~ s/{/ { /g;
+ $S =~ s/}/ } /g;
+ # Any comments are split
+ $S =~ s#[/][*]# /* #g;
+ $S =~ s#[*][/]# */ #g;
+
+ # Now split the line into individual fields
+ $n = (@arr = split(' ', $S));
+
+ # Go through each field in turn
+ for ($fieldIndexer = 1; $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}) {
+ $block = &generate_block($replace_line{$block});
+ }
+ $found{$block} = 'found';
+ $block = '';
+ }
+ elsif (($arr[$fieldIndexer] =~ '[A-Za-z0-9]+:') || $arr[$fieldIndexer + 1] eq ':') {
+ $non_term_id = $arr[$fieldIndexer];
+ $non_term_id =~ s/://g;
+ }
+ else {
+ $block = $block . $arr[$fieldIndexer];
+ }
+ }
+}
+
+close GRAM;
+
+open ECPG, $filename or die $!;
+
+line: while (<ECPG>) {
+ chomp; # strip record separator
+ @Fld = split(' ', $_, -1);
+
+ if (!/^ECPG:/) {
+ next line;
+ }
+
+ if ($found{$Fld[2]} ne 'found') {
+ printf $Fld[2] . " is not used for building parser!\n";
+ $ret = 1;
+ }
+}
+
+close ECPG;
+
+exit $ret;
+
+sub generate_block {
+ local($line) = @_;
+ $block = $non_term_id . $line;
+ $block =~ s/ //g;
+ $s = "\\|", $block =~ s/$s//g;
+ return $block;
+}
+
--
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