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https://github.com/libretro/scummvm.git
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88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
#ifdef HAVE_READLINE
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#include "debugrl.h"
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// A lot of this was ripped straight from the readline fileman.c example.
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char *_debugger_commands[] = {
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"help",
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"quit",
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"go",
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"actor",
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"scripts",
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"exit",
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(char *)NULL
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};
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// forwards decls
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char **scumm_debugger_completion(const char *text, int start, int end);
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char *scumm_debugger_command_generator(const char *text, int state);
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void initialize_readline()
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{
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/* Allow conditional parsing of the ~/.inputrc file. */
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rl_readline_name = "scummvm";
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/* Tell the completer that we want a crack first. */
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rl_attempted_completion_function = scumm_debugger_completion;
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}
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char **scumm_debugger_completion(const char *text, int start, int end)
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{
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char **matches;
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matches = (char **)NULL;
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// If this word is at the start of the line, then it is a command
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// to complete.
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if (start == 0) {
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matches = rl_completion_matches(text, scumm_debugger_command_generator);
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} else {
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// At some stage it'd be nice to have symbolic actor name completion
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// or something similarly groovy. Not right now though.
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}
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// This just makes sure that readline doesn't try to use its default
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// completer, which uses filenames in the current dir, if we can't find
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// a match, since filenames don't have much use in the debuger :)
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// There's probably a nice way to do this once, rather than every time.
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rl_attempted_completion_over = 1;
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return (matches);
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}
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/* Generator function for command completion. STATE lets us know whether
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to start from scratch; without any state (i.e. STATE == 0), then we
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start at the top of the list. */
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char *scumm_debugger_command_generator(const char *text, int state)
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{
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static int list_index, len;
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char *name;
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/* If this is a new word to complete, initialize now. This includes
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saving the length of TEXT for efficiency, and initializing the index
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variable to 0. */
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if (!state) {
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list_index = 0;
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len = strlen(text);
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}
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/* Return the next name which partially matches from the command list. */
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while (name = _debugger_commands[list_index]) {
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list_index++;
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if (strncmp(name, text, len) == 0)
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//return (dupstr(name));
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return strdup(name);
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}
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/* If no names matched, then return NULL. */
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return ((char *)NULL);
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}
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#endif /* HAVE_READLINE */
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