Files
libgtop/sysdeps/guile/guile.awk
1998-12-09 12:06:16 +00:00

221 lines
6.9 KiB
Awk

BEGIN {
print "/* guile.c */";
print "/* This is a generated file. Please modify `guile.awk' */";
print "";
print "#include <glibtop.h>";
print "#include <glibtop/xmalloc.h>";
print "#include <glibtop/sysdeps.h>";
print "#include <glibtop/union.h>";
print "";
print "#include <guile/gh.h>";
print "";
convert["long"] = "gh_long2scm ";
convert["ulong"] = "gh_ulong2scm ";
convert["double"] = "gh_double2scm";
convert["str"] = "gh_str02scm ";
convert["char"] = "gh_char2scm ";
backconv["int"] = "gh_scm2long";
backconv["pid_t"] = "gh_scm2ulong";
backconv["long"] = "gh_scm2long";
backconv["ulong"] = "gh_scm2ulong";
backconv["unsigned"] = "gh_scm2ulong";
feature_count = 0;
}
function make_output(line) {
split (line, line_fields, /\|/);
retval = line_fields[1];
element_def = line_fields[3];
feature = line_fields[2];
param_def = line_fields[4];
sub(/^@/,"",feature);
features[feature] = feature;
feature_field[feature_count] = feature;
feature_count = feature_count+1;
total_nr_params = 0;
if (param_def == "string") {
call_param = ", gh_scm2newstr( "line_fields[5]", NULL)";
param_decl = "SCM "line_fields[5];
total_nr_params = 1;
} else {
call_param = "";
param_decl = "";
nr_params = split (param_def, params, /:/);
for (param = 1; param <= nr_params; param++) {
list = params[param];
type = params[param];
sub(/\(.*/, "", type);
sub(/^.*\(/, "", list); sub(/\)$/, "", list);
count = split (list, fields, /,/);
total_nr_params = total_nr_params + count;
for (field = 1; field <= count; field++) {
if (param_decl != "")
param_decl = param_decl", ";
param_decl = param_decl"SCM "fields[field];
call_param = call_param", "backconv[type]" ("fields[field]")";
}
}
if (param_decl == "")
param_decl = "void";
}
nr_params_field[feature] = total_nr_params;
feature_name = feature; sub(/_/,"-",feature_name);
output = "SCM_PROC (s_"feature", \"glibtop-get-"feature_name"\",";
output = output" "nr_params_field[feature]", 0, 0, ";
output = output"glibtop_guile_get_"feature");\n\n";
output = output"static SCM\nglibtop_guile_get_"feature" ("param_decl")\n{\n";
output = output"\tglibtop_"feature" "feature";\n";
if (retval != "void")
output = output"\t"retval" retval;\n";
if (feature ~ /^(proc(list|_map|_args))|mountlist$/)
output = output"\tunsigned i;\n";
if (feature ~ /^proc_args$/) {
output = output"\tSCM list, scm_args, args_list;\n";
output = output"\tchar *start;\n\n";
} else {
output = output"\tSCM list;\n\n";
}
if (retval != "void")
prefix="retval = ";
else
prefix="";
output = output"\t"prefix"glibtop_get_"feature" (&"feature""call_param");\n\n";
output = output"\tlist = gh_list (gh_ulong2scm ("feature".flags),\n\t\t\t";
nr_elements = split (element_def, elements, /:/);
for (element = 1; element <= nr_elements; element++) {
list = elements[element];
type = elements[element];
sub(/\(.*/, "", type);
sub(/^.*\(/, "", list); sub(/\)$/, "", list);
count = split (list, fields, /,/);
for (field = 1; field <= count; field++) {
if (fields[field] ~ /^(\w+)\[([0-9]+)\]$/) {
split(fields[field], field_parts, /\[/);
fields[field] = field_parts[1];
sub(/\]/, "", field_parts[2]);
number = field_parts[2];
output = output"gh_list\n\t\t\t(";
for (nr = 0; nr < number; nr++) {
output = output""convert[type]" ("feature"."fields[field]" ["nr"]),\n\t\t\t ";
}
output = output"SCM_UNDEFINED),\n\t\t\t";
} else {
output = output""convert[type]" ("feature"."fields[field]"),\n\t\t\t";
}
}
}
output = output"SCM_UNDEFINED);\n";
print output;
if (feature ~ /^proclist$/) {
print "\tif (retval == NULL)";
print "\t\treturn list;";
print "";
print "\tfor (i = 0; i < proclist.number; i++)";
print "\t\tlist = scm_append";
print "\t\t\t(gh_list (list,";
print "\t\t\t\t gh_list (gh_ulong2scm ((unsigned long) retval [i])),";
print "\t\t\t\t SCM_UNDEFINED));";
print "";
print "\tglibtop_free (retval);\n";
}
if (feature ~ /^proc_map$/) {
print "\tif (retval == NULL)";
print "\t\treturn list;";
print "";
print "\tfor (i = 0; i < proc_map.number; i++) {";
print "\t\tglibtop_map_entry *entry = &(retval [i]);";
print "\t\tSCM scm_entry = gh_list";
print "\t\t\t(gh_ulong2scm ((unsigned long) entry->flags),";
print "\t\t\t gh_ulong2scm ((unsigned long) entry->start),";
print "\t\t\t gh_ulong2scm ((unsigned long) entry->end),";
print "\t\t\t gh_ulong2scm ((unsigned long) entry->offset),";
print "\t\t\t gh_ulong2scm ((unsigned long) entry->perm),";
print "\t\t\t gh_ulong2scm ((unsigned long) entry->inode),";
print "\t\t\t gh_ulong2scm ((unsigned long) entry->device),";
print "\t\t\t gh_str02scm (entry->filename), SCM_UNDEFINED);";
print "\t\tSCM entry_list = gh_list (scm_entry, SCM_UNDEFINED);\n";
print "\t\tlist = scm_append (gh_list (list, entry_list, SCM_UNDEFINED));";
print "\t};\n";
print "\tglibtop_free (retval);\n";
};
if (feature ~ /^proc_args$/) {
print "\tif (retval == NULL)";
print "\t\treturn list;";
print "";
print "\tstart = retval;";
print "\tscm_args = gh_list (SCM_UNDEFINED);\n";
print "\tfor (i = 0; i <= proc_args.size; i++) {";
print "\t\tSCM arg_list;\n";
print "\t\tif (retval [i]) continue;\n";
print "\t\targ_list = gh_list (gh_str02scm (start), SCM_UNDEFINED);";
print "\t\tscm_args = scm_append";
print "\t\t\t(gh_list (scm_args, arg_list, SCM_UNDEFINED));\n;";
print "\t\tstart = &(retval [i+1]);";
print "\t};\n";
print "\targs_list = gh_list (scm_args, SCM_UNDEFINED);";
print "\tlist = scm_append (gh_list (list, args_list, SCM_UNDEFINED));\n";
print "\tglibtop_free (retval);\n";
}
if (feature ~ /^mountlist$/) {
print "\tif (retval == NULL)";
print "\t\treturn list;";
print "";
print "\tfor (i = 0; i < mountlist.number; i++) {";
print "\t\tglibtop_mountentry *entry = &(retval [i]);";
print "\t\tSCM scm_entry = gh_list";
print "\t\t\t(gh_ulong2scm ((unsigned long) entry->dev),";
print "\t\t\t gh_str02scm (entry->devname),";
print "\t\t\t gh_str02scm (entry->mountdir),";
print "\t\t\t gh_str02scm (entry->type), SCM_UNDEFINED);";
print "\t\tSCM entry_list = gh_list (scm_entry, SCM_UNDEFINED);\n";
print "\t\tlist = scm_append (gh_list (list, entry_list, SCM_UNDEFINED));";
print "\t};\n";
print "\tglibtop_free (retval);\n";
};
print "\treturn list;";
print "}";
print "";
}
/^[^#]/ { make_output($0) }
END {
sep=""
sysdeps="void|sysdeps|ulong(";
for(nr = 0; nr < feature_count; nr++) {
sysdeps = sysdeps""sep""feature_field[nr];
sep=",";
}
sysdeps=sysdeps")";
make_output(sysdeps);
print "void";
print "glibtop_boot_guile (void)";
print "{";
print "#include \"guile.x\"";
print "}";
}