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-rw-r--r--src/core-commands.c3
-rw-r--r--src/qreg-commands.c17
2 files changed, 16 insertions, 4 deletions
diff --git a/src/core-commands.c b/src/core-commands.c
index 8e31ae3..ae51ecc 100644
--- a/src/core-commands.c
+++ b/src/core-commands.c
@@ -639,7 +639,8 @@ teco_state_start_input(teco_machine_main_t *ctx, gunichar chr, GError **error)
.modifier_at = TRUE, .modifier_colon = 1},
['['] = {&teco_state_pushqreg},
- [']'] = {&teco_state_popqreg},
+ [']'] = {&teco_state_popqreg,
+ .modifier_colon = 1},
['G'] = {&teco_state_getqregstring},
['Q'] = {&teco_state_queryqreg,
.modifier_colon = 1},
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.