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d465fa53cb
Discussion of these changes can be found on the Mercury developers
mailing list archives from June 2018.
COPYING.LIB:
Add a special linking exception to the LGPL.
*:
Update references to COPYING.LIB.
Clean up some minor errors that have accumulated in copyright
messages.
74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
// vim: ts=4 sw=4 expandtab ft=c
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// Copyright (C) 1998,2000-2002, 2006 The University of Melbourne.
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// Copyright (C) 2015-2016, 2018 The Mercury team.
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// This file is distributed under the terms specified in COPYING.LIB.
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// mercury_trace_alias.h
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//
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// Defines the interface of the alias system for the internal debugger.
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#ifndef MERCURY_TRACE_ALIAS_H
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#define MERCURY_TRACE_ALIAS_H
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#include "mercury_std.h" // for MR_bool
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#include <stdio.h>
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#include "mercury_trace_completion.h"
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typedef struct {
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char *MR_alias_name;
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char **MR_alias_words;
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int MR_alias_word_count;
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} MR_Alias;
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// Add an alias with the given name and expansion to the list.
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// The name, the words in the expansion and the array of pointers to the
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// expansion will all be copied, so their storage can be released
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// when MR_trace_add_alias returns.
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//
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// Overwrites any previous alias with the same name.
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extern void MR_trace_add_alias(char *name, char **words,
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int word_count);
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// Remove the given alias from the list. Returns MR_FALSE if there is no
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// such alias, and MR_TRUE if there was such an alias and the removal was
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// successful.
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extern MR_bool MR_trace_remove_alias(const char *name);
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// Looks up whether the given alias exists. If yes, returns MR_TRUE, and
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// sets *words_ptr to point to a vector of words forming the alias expansion,
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// and *word_count_ptr to the number of words in the expansion. If no,
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// returns MR_FALSE.
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extern MR_bool MR_trace_lookup_alias(const char *name,
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char ***words_ptr, int *word_count_ptr);
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// Print the alias of the given name, if it exists, and an error message
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// if it does not.
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extern void MR_trace_print_alias(FILE *fp, const char *name);
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// Print all the aliases to the given file. If mdb_command_format is MR_TRUE,
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// print them in a form that, when sourced from mdb , recreate the aliases.
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// Otherwise, print the aliases in a format that is nice for humans to read.
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extern void MR_trace_print_all_aliases(FILE *fp,
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MR_bool mdb_command_format);
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// If the main command in *words[0] MR_trace_expand_aliases is an alias, then
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// expand the alias. Words, word_max and word_count should form a resizeable
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// array of words, in the sense of mercury_array_macros.h.
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extern void MR_trace_expand_aliases(char ***words, int *word_max,
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int *word_count);
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// A Readline completer for aliases.
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extern MR_CompleterList
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*MR_trace_alias_completer(const char *word,
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size_t word_length);
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#endif // MERCURY_TRACE_ALIAS_H
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