Files
libgtop/sysdeps/guile/guile.pl
1999-12-05 14:55:18 +00:00

326 lines
8.7 KiB
Perl

#!/usr/bin/perl
require 'guile_types.pl';
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 $_;
}
print '/* guile.c */';
print "/* This is a generated file. Please modify `guile.pl' */";
print '';
print '#include "guile.h"';
print '#include "structures.h"';
print '';
$feature_count = 0;
$smob_count = 0;
$smobs{$smob_count++} = 'glibtop';
open FEATURESDEF, $ARGV[1] or
die "open ($ARGV[1]): $!";
while (<FEATURESDEF>) {
chop; # strip record separator
if (/^[^\#]/) {
&make_output ($_);
}
}
close FEATURESDEF;
open STRUCTDEF, $ARGV[2] or
die "open ($ARGV[2]): $!";
while (<STRUCTDEF>) {
chop; # strip record separator
if (/^[^\#]/) {
&parse_structure_def ($_);
}
}
close STRUCTDEF;
$init_smobs_code = sprintf
(qq[\tscm_glibtop_smob_tags [GLIBTOP_STRUCTURE_GLIBTOP] = scm_make_smob_type\n\t\t("glibtop", sizeof (glibtop));\n]);
for ($nr = 0; $nr < $smob_count; $nr++) {
$smob = $smobs{$nr};
$init_smobs_code .= sprintf
(qq[\tscm_glibtop_smob_tags [GLIBTOP_STRUCTURE_%s] = scm_make_smob_type\n\t\t("%s", sizeof (%s));\n],
toupper($smob), $smob, $smob);
}
open OUTPUT, "> $ARGV[3]" or
die "open ($ARGV [3]): $!";
select OUTPUT;
print qq[/* structures.h */];
print qq[/* This is a generated file. Please modify \`guile.pl\' */];
print '';
print qq[\#ifndef __GLIBTOP_STRUCTURES_H__];
print qq[\#define __GLIBTOP_STRUCTURES_H__];
print '';
print qq[\#include <glibtop.h>];
print '';
print qq[BEGIN_LIBGTOP_DECLS];
print '';
for ($nr = 0; $nr < $smob_count; $nr++) {
$smob = $smobs{$nr};
printf (qq[\#define %-40s\t%d\n], 'GLIBTOP_STRUCTURE_'.&toupper($smob), $nr);
}
print '';
printf (qq[\#define %-40s\t%d\n], 'GLIBTOP_MAX_STRUCTURES', $smob_count);
print '';
print qq[END_LIBGTOP_DECLS];
print '';
print qq[\#endif /* __GLIBTOP_STRUCTURES_H__ */];
close OUTPUT;
select STDOUT;
print qq[void\n];
print qq[glibtop_boot_guile (void)\n];
print '{';
print qq[#ifndef SCM_MAGIC_SNARFER\n];
print qq[#include "guile.x"\n];
print qq[#endif\n\n];
print $init_smobs_code;
print '';
printf qq[\tglibtop_boot_guile_main ();];
print '}';
sub make_output {
local($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;
$feature_field{$feature_count} = $feature;
$feature_count = $feature_count + 1;
$smobs{$smob_count++} = sprintf (qq[glibtop_%s], $feature);
$total_nr_params = 0;
$temp_string_count = 0;
$have_count_var = 0;
$pre_call_code = '';
$post_call_code = '';
$local_var_decl_code = sprintf (qq[\tglibtop_%s %s;\n], $feature, $feature);
$local_var_decl_code .= sprintf (qq[\tSCM smob_answer;\n]);
$local_var_decl_code .= sprintf (qq[\tglibtop *server;\n]);
$call_param = '';
$param_decl = '';
$nr_params = (@params = split(/:/, $param_def, 9999));
for ($param = 1; $param <= $nr_params; $param++) {
$list = $params[$param];
$type = $params[$param];
$type =~ s/\(.*//;
$list =~ s/^.*\(//;
$list =~ s/\)$//;
$count = (@fields = split(/,/, $list, 9999));
$total_nr_params = $total_nr_params + $count;
for ($field = 1; $field <= $count; $field++) {
if ($param_decl ne '') {
$param_decl = $param_decl . ', ';
}
$param_decl = $param_decl . 'SCM ' . $fields[$field];
if ($type eq 'string') {
$local_var_decl_code .= sprintf
(qq[\tchar *_LIBGTOP_TEMP_str%d;\n], ++$temp_string_count);
$pre_call_code .= sprintf
(qq[\t_LIBGTOP_TEMP_str%d = gh_scm2newstr (%s, NULL);\n],
$temp_string_count, $fields[$field]);
$post_call_code .= sprintf
(qq[\tfree (_LIBGTOP_TEMP_str%d);\n], $temp_string_count);
$call_param .= sprintf
(qq[, _LIBGTOP_TEMP_str%d], $temp_string_count);
} else {
$call_param .= sprintf
(qq[, %s (%s)], $typeinfo->{$type}->[1], $fields[$field]);
}
}
}
if (!($param_decl eq '')) {
$param_decl = ', '.$param_decl;
}
$nr_params_field{$feature} = $total_nr_params;
$feature_name = $feature;
$feature_name =~ s/_/-/;
$field_list_code = '';
$init_server_code = sprintf
(qq[\tSCM_ASSERT ((SCM_FALSEP (server_smob) ||\n\t\t (SCM_NIMP (server_smob)\n\t\t && (SCM_CAR (server_smob) ==\n\t\t\t scm_glibtop_smob_tags [GLIBTOP_STRUCTURE_GLIBTOP]))),\n\t\t server_smob, SCM_ARG1, "glibtop-get-%s");\n\n], $feature_name);
$init_server_code .= sprintf
(qq[\tserver = SCM_FALSEP (server_smob) ? glibtop_global_server :\n\t\t(glibtop *) SCM_SMOB_DATA (server_smob);\n\n]);
$scm_proc_code = sprintf
(qq[SCM_PROC (s_%s, "glibtop-get-%s", %d, 0, 0, glibtop_guile_get_%s);],
$feature, $feature_name, $nr_params_field{$feature}+1, $feature);
$func_decl_code = sprintf
(qq[static SCM\nglibtop_guile_get_%s (SCM server_smob%s)], $feature, $param_decl);
if ($retval =~ /^(array|pointer)\((.*)\)$/) {
$retval_type = "$2 *";
} elsif ($retval eq 'retval') {
$retval_type = 'int';
} else {
$retval_type = $retval;
}
if ($retval ne 'void') {
$local_var_decl_code .= sprintf (qq[\t%s retval;\n], $retval_type);
}
if ($retval ne 'void') {
$prefix = 'retval = ';
} else {
$prefix = '';
}
$libgtop_call_code = sprintf
(qq[\t%sglibtop_get_%s_l (server, &%s%s);\n\n], $prefix, $feature,
$feature, $call_param);
if ($retval eq 'retval') {
$check_retval_code = sprintf
(qq[\tif (retval < 0)\n\t\treturn SCM_BOOL_F;\n]);
} else {
$check_retval_code = '';
}
$make_smob_code = sprintf
(qq[\tsmob_answer = scm_make_smob\n\t\t(scm_glibtop_smob_tags [GLIBTOP_STRUCTURE_GLIBTOP_%s]);\n], toupper($feature));
$make_smob_code .= sprintf
(qq[\t*(glibtop_%s *) SCM_SMOB_DATA (smob_answer) = %s;\n\n],
$feature, $feature);
if ($retval =~ /^(array|pointer)\((.*)\)$/) {
$array_type = $2; $which_type = $1;
$local_var_decl_code .= sprintf (qq[\tSCM smob_array;\n]);
$local_var_decl_code .= sprintf (qq[\tint i;\n]);
$make_array_code = sprintf
(qq[\tsmob_array = scm_make_vector (SCM_MAKINUM (%s.number), %s);\n],
$feature, 'SCM_BOOL_F');
$make_array_code .= sprintf
(qq[\tfor (i = 0; i < %s.number; i++) \{\n], $feature);
if ($which_type eq 'array') {
$make_array_code .= sprintf
(qq[\t\tSCM _smob;\n\n], $feature);
$make_array_code .= sprintf
(qq[\t\t_smob = scm_make_smob\n\t\t\t(scm_glibtop_smob_tags\n\t\t\t [GLIBTOP_STRUCTURE_%s]);\n], toupper($array_type));
$make_array_code .= sprintf
(qq[\t\t*(%s *) SCM_SMOB_DATA (_smob) = retval [i];\n], $array_type);
$make_array_code .= sprintf
(qq[\t\tscm_vector_set_x (smob_array, SCM_MAKINUM (i), _smob);\n]);
} else {
$make_array_code .= sprintf
(qq[\t\tscm_vector_set_x (smob_array, SCM_MAKINUM (i),\n\t\t\t\t %s (retval [i]));\n],
$typeinfo->{$array_type}->[0]);
}
$make_array_code .= "\t}\n\n";
$return_smob_code = $make_array_code;
$return_smob_code .= sprintf
(qq[\treturn scm_cons (smob_array, smob_answer);]);
} else {
$return_smob_code = sprintf
(qq[\treturn smob_answer;]);
}
$nr_elements = (@elements = split(/:/, $element_def, 9999));
for ($element = 1; $element <= $nr_elements; $element++) {
$list = $elements[$element];
$type = $elements[$element];
$type =~ s/\(.*//;
$list =~ s/^.*\(//;
$list =~ s/\)$//;
$count = (@fields = split(/,/, $list, 9999));
for ($field = 1; $field <= $count; $field++) {
if ($fields[$field] =~ /^(\w+)\[([^\]]+)\]$/) {
@field_parts = split(/\[/, $fields[$field], 9999);
$fields[$field] = $field_parts[1];
$field_parts[2] =~ s/\]//;
$field_name = $field_parts[0];
} else {
$field_name = $fields[$field];
}
$field_list_code .= sprintf
(qq[gh_symbol2scm ("%s"), \\\n\t\t\t\t], $field_name);
}
}
$scm_fields_code = sprintf
(qq[SCM_GLOBAL_VCELL_INIT (s_%s_names, "glibtop-fields-%s", \\\n\t\t gh_list (%sSCM_UNDEFINED));],
$feature, $feature_name, $field_list_code);
$total = sprintf ("%s\n\n%s\n\n%s\n{\n%s\n\n%s\n%s\n%s%s\n\n%s\n%s\n%s\n%s\n}\n",
$scm_proc_code, $scm_fields_code, $func_decl_code,
$local_var_decl_code, $init_server_code,
$pre_call_code, $libgtop_call_code, $post_call_code,
$check_retval_code, $make_smob_code, $return_smob_code);
print $total;
}
sub parse_structure_def {
local($line) = @_;
@line_fields = split(/\|/, $line, 9999);
$name = $line_fields[1];
$smobs{$smob_count++} = $name;
}