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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.
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
// vim: ts=4 sw=4 expandtab ft=c
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// Copyright (C) 1998-2006 The University of Melbourne.
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// Copyright (C) 2014, 2016, 2018 The Mercury team.
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// This file is distributed under the terms specified in COPYING.LIB.
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#include "mercury_std.h"
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#include "mercury_types.h"
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#include "mercury_trace.h"
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#include "mercury_trace_completion.h"
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#ifndef MERCURY_TRACE_CMDS_H
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#define MERCURY_TRACE_CMDS_H
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typedef enum {
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KEEP_INTERACTING,
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STOP_INTERACTING
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} MR_Next;
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typedef MR_Next MR_TraceCmdFunc(char **words, int word_count,
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MR_TraceCmdInfo *cmd, MR_EventInfo *event_info,
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MR_Code **jumpaddr);
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// We keep a table of the available commands. The information we have about
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// each command is stored in a value of type MR_TraceCmdTableEntry.
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//
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// The name of the command itself is stored in the name field; the category
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// field contains name of the category to which the command belongs,
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// e.g. "browsing".
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//
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// The code that the command loop should execute to handle a command of a given
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// type is the function pointed to by the function field.
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//
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// Some commands take fixed strings as arguments. The arg_strings field
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// is a NULL terminated array of those strings, or NULL if there are
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// no fixed strings.
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//
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// The arg_completer field contains the address of a function for more
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// arbitrary completion, e.g. on predicate names. This field should not be
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// null; if the command cannot use a completion function, the field should
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// contain MR_trace_null_completer.
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typedef struct
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{
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const char *MR_cmd_category;
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const char *MR_cmd_name;
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MR_TraceCmdFunc *MR_cmd_function;
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const char *const *MR_cmd_arg_strings;
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const MR_MakeCompleter MR_cmd_arg_completer;
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} MR_TraceCmdTableEntry;
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#endif // MERCURY_TRACE_CMDS_H
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