diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/parser.cpp | 45 | ||||
| -rw-r--r-- | src/ring.cpp | 10 | ||||
| -rw-r--r-- | src/ring.h | 1 |
3 files changed, 41 insertions, 15 deletions
diff --git a/src/parser.cpp b/src/parser.cpp index 98eeba8..5d78aaf 100644 --- a/src/parser.cpp +++ b/src/parser.cpp @@ -2245,35 +2245,50 @@ StateECommand::custom(gchar chr) /*$ * [bool]EX -- Exit program * -EX + * :EX * - * Exits \*(ST. - * It is one of the few commands that is not executed - * immediately both in batch and interactive mode. + * Exits \*(ST, or rather requests program termination + * at the end of the top-level macro. + * Therefore instead of exiting immediately which + * could be annoying in interactive mode, EX will + * result in program termination only when the command line + * is terminated. + * This allows EX to be rubbed out and used in macros. + * The usual command to exit \*(ST in interactive mode + * is thus \(lqEX\fB$$\fP\(rq. * In batch mode EX will exit the program if control - * reaches the end of the munged file, preventing - * interactive mode editing. - * In interactive mode, EX will request an exit that - * is performed on command line termination - * (i.e. after \fB$$\fP). + * reaches the end of the munged file \(em instead of + * starting up interactive mode. * * If any buffer is dirty (modified), EX will yield * an error. - * When specifying <bool> as a Failure condition - * boolean, EX will exit unconditionally. + * When specifying <bool> as a success/truth condition + * boolean, EX will not check whether there are modified + * buffers and will always succeed. * If <bool> is omitted, the sign prefix is implied * (1 or -1). - * In other words \(lq-EX\(rq will always succeed. + * In other words \(lq-EX\fB$$\fP\(rq is the usual + * interactive command sequence to discard all unsaved + * changes and exit. + * + * When colon-modified, <bool> is ignored and EX + * will instead immediately save all modified buffers \(em + * this can of course be reversed using rubout. + * \(lq:EX\fB$$\fP\(rq is thus the usual interactive + * command sequence to exit while saving all modified + * buffers. */ /** @bug what if changing file after EX? will currently still exit */ case 'X': BEGIN_EXEC(&States::start); - if (IS_FAILURE(expressions.pop_num_calc()) && - ring.is_any_dirty()) + if (eval_colon()) + ring.save_all_dirty_buffers(); + else if (IS_FAILURE(expressions.pop_num_calc()) && + ring.is_any_dirty()) throw Error("Modified buffers exist"); - undo.push_var<bool>(quit_requested); - quit_requested = true; + undo.push_var(quit_requested) = true; break; default: diff --git a/src/ring.cpp b/src/ring.cpp index fcaea3a..fb10552 100644 --- a/src/ring.cpp +++ b/src/ring.cpp @@ -160,6 +160,16 @@ Ring::is_any_dirty(void) return false; } +void +Ring::save_all_dirty_buffers(void) +{ + Buffer *cur; + + TAILQ_FOREACH(cur, &head, buffers) + if (cur->dirty && cur->filename) + cur->save(); +} + bool Ring::edit(tecoInt id) { @@ -190,6 +190,7 @@ public: void dirtify(void); bool is_any_dirty(void); + void save_all_dirty_buffers(void); bool edit(tecoInt id); void edit(const gchar *filename); |