d6e817751e
Add an -L option for additional listing information. Currently supported is -Le, which emits each line after processing through the preprocessor, and -Lm, which displays each single-line macro defined or undefined. NASM doesn't preserve the names of unused arguments, nor does it have any technical reason to do so. Instead of adding complexity to save them, make unnamed parameters official by specifying an empty string in the argument list. This has the additional advantage that () is now simply considered a single empty argument, which means that NASM should now properly handle things like: %define myreg() eax mov edx,myreg() ... similar to how the C preprocessor allows an empty macro argument list which is distinct from a macro with no arguments whatsoever. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
93 lines
3.3 KiB
C
93 lines
3.3 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2018 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* strlist.h - list of unique, ordered strings
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*/
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#ifndef NASM_STRLIST_H
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#define NASM_STRLIST_H
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#include "compiler.h"
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#include "nasmlib.h"
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#include "hashtbl.h"
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struct strlist_entry {
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struct strlist_entry *next;
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size_t offset;
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size_t size;
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intorptr pvt;
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char str[1];
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};
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struct strlist {
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struct hash_table hash;
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struct strlist_entry *head, **tailp;
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size_t nstr, size;
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bool uniq;
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};
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static inline const struct strlist_entry *
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strlist_head(const struct strlist *list)
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{
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return list ? list->head : NULL;
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}
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static inline struct strlist_entry *strlist_tail(struct strlist *list)
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{
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if (!list || !list->head)
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return NULL;
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return container_of(list->tailp, struct strlist_entry, next);
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}
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static inline size_t strlist_count(const struct strlist *list)
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{
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return list ? list->nstr : 0;
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}
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static inline size_t strlist_size(const struct strlist *list)
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{
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return list ? list->size : 0;
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}
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struct strlist safe_alloc *strlist_alloc(bool uniq);
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const struct strlist_entry * never_null strlist_add(struct strlist *list, const char *str);
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const struct strlist_entry * printf_func(2, 3) never_null
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strlist_printf(struct strlist *list, const char *fmt, ...);
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const struct strlist_entry * never_null
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strlist_vprintf(struct strlist *list, const char *fmt, va_list ap);
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const struct strlist_entry *
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strlist_find(const struct strlist *list, const char *str);
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void * safe_alloc strlist_linearize(const struct strlist *list, char sep);
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void strlist_write(const struct strlist *list, const char *sep, FILE *f);
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void strlist_free(struct strlist **listp);
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#define strlist_for_each(p,h) list_for_each((p), strlist_head(h))
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#endif /* NASM_STRLIST_H */
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