+++ /dev/null
-/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
- *
- * This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
- */
-
-/**
- * @file
- * @brief Implements simple sequence numbers for Firm debug info.
- * @author Michael Beck
- * @date 2005
- * @version $Id$
- * @brief
- * Sequence numbers for Firm.
- *
- * A sequence number is an unique number representing a filename
- * and a line number. The number 0 represents empty information.
- * This module is an optional "snap-in" for the Firm debug info.
- * In simple cases it should be possible to use sequence numbers
- * as dbg_info.
- */
-#ifndef FIRM_DEBUG_SEQNUMBERS_H
-#define FIRM_DEBUG_SEQNUMBERS_H
-
-#include "ident.h"
-
-#include "begin.h"
-
-/**
- * @typedef seqno_t
- *
- * An opaque type for a sequence number.
- */
-
-/**
- * Create a new sequence number from a filename and a line number.
- *
- * @param filename a file name
- * @param lineno a line number
- *
- * @return a sequence number for this position.
- */
-FIRM_API seqno_t firm_seqno_enter(const char *filename, unsigned lineno);
-
-/**
- * Create a new sequence number from a filename ident and a line number.
- *
- * @param filename an ident
- * @param lineno a line number
- *
- * @return a sequence number for this position.
- */
-FIRM_API seqno_t firm_seqno_enter_id(ident *filename, unsigned lineno);
-
-/**
- * Retrieve filename and line number from a sequence number.
- *
- * @param seqno a sequence number
- * @param lineno after return contains the line number of this position
- *
- * @return the file name of this position.
- */
-FIRM_API const char *firm_seqno_retrieve(seqno_t seqno, unsigned *lineno);
-
-/**
- * Creates the sequence number pool.
- * Is not called by init_firm(), because the sequence number
- * support is optional. Call firm_seqno_init() after init_firm()
- * if sequence numbers should be used.
- */
-FIRM_API void firm_seqno_init(void);
-
-/**
- * Terminates the sequence number pool.
- * Sequence numbers cannot be resolved anymore.
- * Call this function to terminate the sequence
- * pool.
- */
-FIRM_API void firm_seqno_term(void);
-
-#include "end.h"
-
-#endif
+++ /dev/null
-/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
- *
- * This file is part of libFirm.
- *
- * This file may be distributed and/or modified under the terms of the
- * GNU General Public License version 2 as published by the Free Software
- * Foundation and appearing in the file LICENSE.GPL included in the
- * packaging of this file.
- *
- * Licensees holding valid libFirm Professional Edition licenses may use
- * this file in accordance with the libFirm Commercial License.
- * Agreement provided with the Software.
- *
- * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
- * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE.
- */
-
-/**
- * @file
- * @brief Implements simple sequence numbers for Firm debug info.
- * @author Michael Beck
- * @date 2005
- * @version $Id$
- * @brief
- * Sequence numbers for Firm.
- *
- * A sequence number is an unique number representing a filename
- * and a line number. The number 0 represents empty information.
- * This module is an optional "snap-in" for the Firm debug info.
- */
-#include "config.h"
-
-#include "set.h"
-#include "hashptr.h"
-#include "ident.h"
-#include "seqnumbers.h"
-
-/**
- * A entry in the sequence number table.
- */
-struct sn_entry {
- ident *filename; /**< the filename */
- unsigned lineno; /**< the line number */
-};
-
-static set *seqnos = NULL;
-
-/** hash a seqno entry */
-#define HASH(key) (HASH_PTR((key).filename) ^ (key).lineno)
-
-/**
- * Compare two seqno entries.
- */
-static int seqno_cmp(const void *elt, const void *key, size_t size)
-{
- seqno_t e1 = (seqno_t)elt;
- seqno_t e2 = (seqno_t)key;
- (void) size;
-
- return (e1->filename != e2->filename) | (e1->lineno - e2->lineno);
-}
-
-/*
- * Create a new sequence number from a filename and a line number.
- */
-seqno_t firm_seqno_enter(const char *filename, unsigned lineno)
-{
- struct sn_entry key;
-
- key.filename = new_id_from_str(filename);
- key.lineno = lineno;
-
- return set_insert(seqnos, &key, sizeof(key), HASH(key));
-}
-
-/*
- * Create a new sequence number from a filename ident and a line number.
- */
-seqno_t firm_seqno_enter_id(ident *filename, unsigned lineno)
-{
- struct sn_entry key;
-
- key.filename = filename;
- key.lineno = lineno;
-
- return set_insert(seqnos, &key, sizeof(key), HASH(key));
-}
-
-/**
- * Retrieve filename and line number form a sequence number
- */
-const char *firm_seqno_retrieve(seqno_t seqno, unsigned *lineno)
-{
- if (seqnos && seqno) {
- *lineno = seqno->lineno;
- return get_id_str(seqno->filename);
- }
- *lineno = 0;
- return NULL;
-}
-
-/*
- * Creates the seqno pool.
- */
-void firm_seqno_init(void)
-{
- if (seqnos)
- firm_seqno_term();
-
- seqnos = new_set(seqno_cmp, 8);
-}
-
-/*
- * Terminates the seqno pool.
- * Sequence numbers cannot be resolved anymore.
- */
-void firm_seqno_term(void)
-{
- if (seqnos) {
- del_set(seqnos);
- seqnos = NULL;
- }
-}
projects / libfirm / commitdiff