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Switch back to a yacc-based compile_et.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4394 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1998-02-14 23:46:43 +00:00
parent 9f2c081018
commit 3ffe01b45f
6 changed files with 510 additions and 143 deletions
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119
lib/com_err/compile_et.awk
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@@ -1,119 +0,0 @@
# Copyright (c) 1997 Kungliga Tekniska H<>gskolan
# (Royal Institute of Technology, Stockholm, Sweden).
# All rights reserved.
#
# $Id$
#
$1 == "error_table" || $1 == "et" {
name = $2
base = 0
if(NF < 3)
base_str = name
else
base_str = $3
for(i = 1; i <= length(base_str); i++){
base = base * 64 + index("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_", substr(base_str, i, 1))
}
base *= 256
if(base >= 2147483648){ # 0x80000000
base = -(4294967295 - base + 1) # 0xffffffff
}
split(name, x, "\\.")
name=x[1]
c_file = name "_err.c"
h_file = name "_err.h"
h = ""
# gsub("[^a-zA-Z0-9]", "_", H_FILE)
for(i = 1; i <= length(h_file); i++){
c = substr(h_file, i, 1)
if(c ~ /[^a-zA-Z0-9]/)
c = "_"
h = h c
}
H_FILE= "__" h "__"
number = 0
print "/* Generated from " FILENAME " */" > c_file
if(id_str != "")
print id_str > c_file
print "" > c_file
print "#include <stddef.h>" > c_file # NULL
print "#include <error.h>" > c_file
print "#include <" h_file ">" > c_file
print "" > c_file
print "static const char *text[] = {" > c_file
print "/* Generated from " FILENAME " */" > h_file
if(id_str != "")
print id_str > h_file
print "" > h_file
print "#ifndef " H_FILE > h_file
print "#define " H_FILE > h_file
print "" > h_file
print "#include <error.h>" > h_file
print "" > h_file
print "void initialize_" name "_error_table_r(struct error_table**);" > h_file
print "" > h_file
n = "initialize_" name "_error_table"
print "void " n "(void);" > h_file
print "" > h_file
print "#define init_" name "_err_tbl " n > h_file
print "typedef enum " name "_error_number{" > h_file
print "\tERROR_TABLE_BASE_" name " = " base "," > h_file
print "\t" name "_err_base = " base "," > h_file
next
}
$1 == "index" {
newnumber = $2
for(; number < newnumber; number++) {
# printf("\t%s = %d,\n", toupper(name) "_ERROR_" number, base+ number) > h_file
printf("\t/* %3d */ %s,\n", number, "\"Reserved error number " number "\"") > c_file
}
next
}
$1 == "prefix" {
prefix = $2
if(prefix != "")
prefix = prefix "_"
next
}
$1 == "error_code" || $1 == "ec" {
code = $2
split(code, x, ",")
code = prefix x[1]
split($0, x, "\"")
string = x[2]
printf("\t%s = %d,\n", code, number + base) > h_file
printf("\t/* %3d */ \"%s\",\n", number, string) > c_file
number++;
next
}
$1 == "id" {
# sub("id *", "")
for(i = 3; i <= length && substr($0, i, 1) ~ /[ \t]/; i++);
id_str ="/* " substr($0, i, length($0)) " */"
}
END {
print "\tNULL" > c_file
print "};" > c_file
print "" > c_file
printf "void initialize_" name "_error_table_r " > c_file
print "(struct error_table **list)" > c_file
print "{" > c_file
printf " initialize_error_table_r(list, text, " > c_file
print name "_num_errors, ERROR_TABLE_BASE_" name ");" > c_file
print "}" > c_file
print "" > c_file
print "void initialize_" name "_error_table(void)" > c_file
print "{" > c_file
printf " init_error_table(text, ERROR_TABLE_BASE_" name ", " > c_file
print name "_num_errors);" > c_file
print "}" > c_file
print "\t" name "_num_errors = " number > h_file
print "} " name "_error_number;" > h_file
print "" > h_file
print "#endif /* " H_FILE " */" > h_file
}

172
lib/com_err/compile_et.c Normal file
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/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "compile_et.h"
RCSID("$Id$");
#include <roken.h>
#include "parse.h"
int numerror;
extern FILE *yyin;
FILE *c_file, *h_file;
extern void yyparse(void);
long base;
int number;
char *prefix;
char *id_str;
char name[128];
char Basename[128];
#ifdef YYDEBUG
extern int yydebug = 1;
#endif
char *filename;
char hfn[128];
char cfn[128];
char fn[128];
void prologue()
{
char *p;
snprintf(fn, sizeof(fn), "__%s__", hfn);
for(p = fn; *p; p++)
if(!isalnum(*p))
*p = '_';
fprintf(c_file, "/* Generated from %s */\n", filename);
if(id_str)
fprintf(c_file, "/* %s */\n", id_str);
fprintf(c_file, "\n");
fprintf(c_file, "#include <stddef.h>\n");
fprintf(c_file, "#include <com_right.h>\n");
fprintf(c_file, "#include <%s>\n", hfn);
fprintf(c_file, "\n");
fprintf(c_file, "static const char *text[] = {\n");
fprintf(h_file, "/* Generated from %s */\n", filename);
if(id_str)
fprintf(h_file, "/* %s */\n", id_str);
fprintf(h_file, "\n");
fprintf(h_file, "#ifndef %s\n", fn);
fprintf(h_file, "#define %s\n", fn);
fprintf(h_file, "\n");
fprintf(h_file, "#include <com_right.h>\n");
fprintf(h_file, "\n");
fprintf(h_file,
"void initialize_%s_error_table_r(struct error_table**);\n",
name);
fprintf(h_file, "\n");
fprintf(h_file, "void initialize_%s_error_table(void);\n", name);
fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n",
name, name);
fprintf(h_file, "\n");
fprintf(h_file, "typedef enum %s_error_number{\n", name);
fprintf(h_file, "\tERROR_TABLE_BASE_%s = %ld,\n", name, base);
fprintf(h_file, "\t%s_err_base = %ld,\n", name, base);
}
int
main(int argc, char **argv)
{
char *p;
set_progname(argv[0]);
if(argc != 2) {
fprintf(stderr, "Usage: %s error_table\n", __progname);
exit(1);
}
filename = argv[1];
yyin = fopen(filename, "r");
if(yyin == NULL)
err(1, "%s", filename);
p = strrchr(argv[1], '/');
if(p)
p++;
else
p = argv[1];
strncpy(Basename, p, sizeof(Basename));
Basename[sizeof(Basename) - 1] = '\0';
Basename[strcspn(Basename, "._")] = '\0';
snprintf(hfn, sizeof(hfn), "%s_err.h", Basename);
h_file = fopen(hfn, "w");
snprintf(cfn, sizeof(cfn), "%s_err.c", Basename);
c_file = fopen(cfn, "w");
yyparse();
fprintf(c_file, "\tNULL\n");
fprintf(c_file, "};\n");
fprintf(c_file, "\n");
fprintf(c_file,
"void initialize_%s_error_table_r(struct error_table **list)\n",
name);
fprintf(c_file, "{\n");
fprintf(c_file,
" initialize_error_table_r(list, text, "
"%s_num_errors, ERROR_TABLE_BASE_%s);\n", name, name);
fprintf(c_file, "}\n");
fprintf(c_file, "\n");
fprintf(c_file, "void initialize_%s_error_table(void)\n", name);
fprintf(c_file, "{\n");
fprintf(c_file,
" init_error_table(text, ERROR_TABLE_BASE_%s, "
"%s_num_errors);\n", name, name);
fprintf(c_file, "}\n");
fprintf(h_file, "\t%s_num_errors = %d\n", name, number);
fprintf(h_file, "} %s_error_number;\n", name);
fprintf(h_file, "\n");
fprintf(h_file, "#endif /* %s */\n", fn);
fclose(h_file);
fclose(c_file);
if(numerror)
return 1;
return 0;
}

63
lib/com_err/compile_et.h Normal file
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/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $Id$ */
#ifndef __COMPILE_ET_H__
#define __COMPILE_ET_H__
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
extern FILE *c_file;
extern FILE *h_file;
extern long base;
extern int number;
extern char *prefix;
extern char name[128];
extern char *id_str;
extern char *filename;
extern int numerror;
#endif /* __COMPILE_ET_H__ */

24
lib/com_err/compile_et.in
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@@ -1,24 +0,0 @@
#!/bin/sh
# $Id$
while :; do
case "$1" in
-lang*)
shift
shift
;;
-debug)
shift
;;
*)
break
;;
esac
done
for i do
@awk@ '
#awksrc
' "$i"
done

119
lib/com_err/lex.l Normal file
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%{
/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "compile_et.h"
#include "parse.h"
RCSID("$Id$");
static unsigned lineno = 1;
void error_message(char *, ...);
int getstring(void);
%}
%%
et { return ET; }
error_table { return ET; }
ec { return EC; }
error_code { return EC; }
prefix { return PREFIX; }
index { return INDEX; }
id { return ID; }
end { return END; }
[0-9]+ { yylval.number = atoi(yytext); return NUMBER; }
#[^\n]* ;
[ \t] ;
\n { lineno++; }
\" { return getstring(); }
[a-zA-Z0-9_]+ { yylval.string = strdup(yytext); return STRING; }
. { return *yytext; }
%%
#ifndef yywrap /* XXX */
int
yywrap ()
{
return 1;
}
#endif
int
getstring(void)
{
char x[128];
int i = 0;
int c;
int quote = 0;
while((c = getc(yyin)) != EOF){
if(quote) {
x[i++] = c;
quote = 0;
continue;
}
if(c == '\n'){
error_message("unterminated string");
lineno++;
break;
}
if(c == '\\'){
quote++;
continue;
}
if(c == '\"')
break;
x[i++] = c;
}
x[i] = '\0';
yylval.string = strdup(x);
return STRING;
}
void
error_message (char *format, ...)
{
va_list args;
va_start (args, format);
fprintf (stderr, "%s:%d: ", filename, lineno);
vfprintf (stderr, format, args);
va_end (args);
numerror++;
}

156
lib/com_err/parse.y Normal file
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%{
/*
* Copyright (c) 1998 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Kungliga Tekniska
* H<>gskolan and its contributors.
*
* 4. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "compile_et.h"
RCSID("$Id$");
void yyerror (char *s);
long name2number(const char *str);
%}
%union {
char *string;
int number;
}
%token ET INDEX PREFIX EC ID END
%token <string> STRING
%token <number> NUMBER
%%
file : /* */
| statements
;
statements : statement
| statements statement
;
statement : ET STRING
{
base = name2number($2);
strncpy(name, $2, sizeof(name));
name[sizeof(name) - 1] = '\0';
free($2);
prologue();
}
| ET STRING STRING
{
base = name2number($2);
strncpy(name, $3, sizeof(name));
name[sizeof(name) - 1] = '\0';
free($2);
free($3);
prologue();
}
| INDEX NUMBER
{
for(; number < $2; number++) {
/*
fprintf(h_file, "\t%s_ERROR_%d = %d,\n",
name, number, base + number);
*/
fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n",
number, name, number);
}
}
| PREFIX STRING
{
prefix = realloc(prefix, strlen($2) + 2);
strcpy(prefix, $2);
strcat(prefix, "_");
free($2);
}
| PREFIX
{
prefix = realloc(prefix, 1);
*prefix = '\0';
}
| EC STRING ',' STRING
{
fprintf(h_file, "\t%s%s = %d,\n",
prefix ? prefix : "", $2, number + base);
fprintf(c_file, "\t/* %03d */ \"%s\",\n", number, $4);
free($2);
free($4);
number++;
}
| ID STRING
{
id_str = $2;
}
| END
{
return;
}
;
%%
long
name2number(const char *str)
{
const char *p;
long base = 0;
const char *x = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz0123456789_";
if(strlen(str) > 4) {
yyerror("table name too long");
return 0;
}
for(p = str; *p; p++){
char *q = strchr(x, *p);
if(q == NULL) {
yyerror("invalid character in table name");
return 0;
}
base = (base << 6) + (q - x) + 1;
}
base <<= 8;
if(base > 0x7fffffff)
base = -(0xffffffff - base + 1);
return base;
}
void
yyerror (char *s)
{
error_message ("%s\n", s);
}