diff options
Diffstat (limited to 'src/qreg-commands.c')
| -rw-r--r-- | src/qreg-commands.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/qreg-commands.c b/src/qreg-commands.c index 9407e6c..1d2766f 100644 --- a/src/qreg-commands.c +++ b/src/qreg-commands.c @@ -99,18 +99,29 @@ teco_state_popqreg_got_register(teco_machine_main_t *ctx, teco_qreg_t *qreg, { teco_state_expectqreg_reset(ctx); - return ctx->flags.mode == TECO_MODE_NORMAL && - !teco_qreg_stack_pop(qreg, error) ? NULL : &teco_state_start; + if (ctx->flags.mode > TECO_MODE_NORMAL) + return &teco_state_start; + + if (!teco_machine_main_eval_colon(ctx)) + return !teco_qreg_stack_pop(qreg, error) ? NULL : &teco_state_start; + teco_expressions_push(teco_bool(teco_qreg_stack_pop(qreg, NULL))); + return &teco_state_start; } -/*$ "]" "]q" pop +/*$ "]" "]q" ":]q" pop * ]q -- Restore Q-Register + * :]q -> Success|Failure * * Restore Q-Register <q> by replacing its contents * with the contents of the register saved on top of * the Q-Register push-down stack. * The stack entry is popped. * + * When colon-modified, \fB]\fP returns a success boolean + * (-1) if there was a register to pop. + * If the stack was empty, a failure boolean (0) is returned + * instead of throwing an error. + * * In interactive mode, the original contents of <q> * are not immediately reclaimed but are kept in memory * to support rubbing out the command. |