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New script to create `structures.h' which will be used in language

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1999-12-05  Martin Baulig  <martin@home-of-linux.org>

	* lib/structures.pl: New script to create `structures.h' which will
	be used in language bindings code.
This commit is contained in:
Martin Baulig
1999-12-05 16:14:09 +00:00
committed by Martin Baulig
parent 4dccb636e2
commit 117af5f59b
4 changed files with 119 additions and 2 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
1999-12-05 Martin Baulig <martin@home-of-linux.org>
* lib/structures.pl: New script to create `structures.h' which will
be used in language bindings code.
1999-12-05 Martin Baulig <martin@home-of-linux.org> 1999-12-05 Martin Baulig <martin@home-of-linux.org>
* features.def: Use `pointer(<type>)' as return value for functions * features.def: Use `pointer(<type>)' as return value for functions

1
lib/.cvsignore
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@@ -5,3 +5,4 @@ Makefile.in
libgtop.la libgtop.la
*.lo *.lo
lib.c lib.c
structures.h

11
lib/Makefile.am
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@@ -10,13 +10,20 @@ libgtop_la_SOURCES = init.c open.c close.c command.c read.c \
libgtop_la_LDFLAGS = $(LT_VERSION_INFO) libgtop_la_LDFLAGS = $(LT_VERSION_INFO)
BUILT_SOURCES = lib.c BUILT_SOURCES = lib.c structures.h
lib.c: lib.pl $(top_builddir)/config.h $(top_srcdir)/features.def $(top_srcdir)/scripts/c_types.pl lib.c: lib.pl $(top_builddir)/config.h $(top_srcdir)/features.def $(top_srcdir)/scripts/c_types.pl
$(PERL) -I $(top_srcdir)/scripts $(srcdir)/lib.pl < $(top_srcdir)/features.def > lib-t $(PERL) -I $(top_srcdir)/scripts $(srcdir)/lib.pl < $(top_srcdir)/features.def > lib-t
mv lib-t lib.c mv lib-t lib.c
structures.h: structures.pl $(top_builddir)/config.h \
$(top_srcdir)/features.def $(top_srcdir)/structures.def
$(PERL) -I $(top_srcdir)/scripts $(srcdir)/structures.pl \
$(top_srcdir)/features.def $(top_srcdir)/structures.def \
structures.h > tmp-s
mv tmp-s structures.h
EXTRA_DIST = lib.pl EXTRA_DIST = lib.pl
CLEANFILES = lib.c CLEANFILES = $(BUILT_SOURCES)

104
lib/structures.pl Normal file
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@@ -0,0 +1,104 @@
#!/usr/bin/perl
die "Usage: $0 features.def structures.def" unless $#ARGV == 2;
$[ = 1; # set array base to 1
$, = ' '; # set output field separator
$\ = "\n"; # set output record separator
sub toupper {
local($_) = @_;
tr/a-z/A-Z/;
return $_;
}
sub tolower {
local($_) = @_;
tr/A-Z/a-z/;
return $_;
}
$structures{$structure_count++} = 'glibtop';
open FEATURESDEF, $ARGV[1] or
die "open ($ARGV[1]): $!";
while (<FEATURESDEF>) {
chop; # strip record separator
if (/^[^\#]/) {
&parse_features_def ($_);
}
}
close FEATURESDEF;
open STRUCTDEF, $ARGV[2] or
die "open ($ARGV[2]): $!";
while (<STRUCTDEF>) {
chop; # strip record separator
if (/^[^\#]/) {
&parse_structure_def ($_);
}
}
close STRUCTDEF;
$init_structures_code = sprintf
(qq[\tscm_glibtop_structure_tags [GLIBTOP_STRUCTURE_GLIBTOP] = scm_make_structure_type\n\t\t("glibtop", sizeof (glibtop));\n]);
for ($nr = 0; $nr < $structure_count; $nr++) {
$structure = $structures{$nr};
$init_structures_code .= sprintf
(qq[\tscm_glibtop_structure_tags [GLIBTOP_STRUCTURE_%s] = scm_make_structure_type\n\t\t("%s", sizeof (%s));\n],
toupper($structure), $structure, $structure);
}
print qq[/* structures.h */];
print qq[/* This is a generated file. Please modify \`guile.pl\' */];
print '';
print qq[\#ifndef __GLIBTOP_STRUCTURES_H__];
print qq[\#define __GLIBTOP_STRUCTURES_H__];
print '';
print qq[\#include <glibtop.h>];
print '';
print qq[BEGIN_LIBGTOP_DECLS];
print '';
for ($nr = 0; $nr < $structure_count; $nr++) {
$structure = $structures{$nr};
printf (qq[\#define %-40s\t%d\n], 'GLIBTOP_STRUCTURE_'.&toupper($structure), $nr);
}
print '';
printf (qq[\#define %-40s\t%d\n], 'GLIBTOP_MAX_STRUCTURES', $structure_count);
print '';
print qq[END_LIBGTOP_DECLS];
print '';
print qq[\#endif /* __GLIBTOP_STRUCTURES_H__ */];
sub parse_features_def {
local($line) = @_;
@line_fields = split(/\|/, $line, 9999);
$retval = $line_fields[1];
$element_def = $line_fields[3];
$feature = $line_fields[2];
$param_def = $line_fields[4];
$feature =~ s/^@//;
$features{$feature} = $feature;
$structures{$structure_count++} = $feature;
}
sub parse_structure_def {
local($line) = @_;
@line_fields = split(/\|/, $line, 9999);
$name = $line_fields[1];
$structures{$structure_count++} = $name;
}