From 3ea63f3951dd8e1c624966d6966ea8ca0e359b09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sat, 11 Apr 2015 10:39:46 +0200
Subject: Eliminate global state for repetition of last modification

---
 config.def.h |  8 ++++----
 editor.c     |  1 +
 editor.h     |  1 +
 vis.c        | 20 ++++++++++----------
 4 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/config.def.h b/config.def.h
index aa079d7..4e7b5da 100644
--- a/config.def.h
+++ b/config.def.h
@@ -572,8 +572,8 @@ static void vis_mode_insert_input(const char *str, size_t len) {
 	static size_t oldpos = EPOS;
 	size_t pos = window_cursor_get(vis->win->win);
 	if (pos != oldpos)
-		buffer_truncate(&buffer_repeat);
-	buffer_append(&buffer_repeat, str, len);
+		buffer_truncate(&vis->buffer_repeat);
+	buffer_append(&vis->buffer_repeat, str, len);
 	oldpos = pos + len;
 	action_reset(&action_prev);
 	action_prev.op = &ops[OP_REPEAT_INSERT];
@@ -594,8 +594,8 @@ static void vis_mode_replace_input(const char *str, size_t len) {
 	static size_t oldpos = EPOS;
 	size_t pos = window_cursor_get(vis->win->win);
 	if (pos != oldpos)
-		buffer_truncate(&buffer_repeat);
-	buffer_append(&buffer_repeat, str, len);
+		buffer_truncate(&vis->buffer_repeat);
+	buffer_append(&vis->buffer_repeat, str, len);
 	oldpos = pos + len;
 	action_reset(&action_prev);
 	action_prev.op = &ops[OP_REPEAT_REPLACE];
diff --git a/editor.c b/editor.c
index 244c568..7b0c7b2 100644
--- a/editor.c
+++ b/editor.c
@@ -411,6 +411,7 @@ void editor_free(Editor *ed) {
 	ed->ui->free(ed->ui);
 	map_free(ed->cmds);
 	map_free(ed->options);
+	buffer_free(&ed->buffer_repeat);
 	free(ed);
 }
 
diff --git a/editor.h b/editor.h
index 771f8f8..81d2c73 100644
--- a/editor.h
+++ b/editor.h
@@ -123,6 +123,7 @@ struct Editor {
 	bool autoindent;                  /* whether indentation should be copied from previous line on newline */
 	Map *cmds;                        /* ":"-commands, used for unique prefix queries */
 	Map *options;                     /* ":set"-options */
+	Buffer buffer_repeat;             /* holds data to repeat last insertion/replacement */
 };
 
 Editor *editor_new(Ui*);
diff --git a/vis.c b/vis.c
index e4c618a..fe42677 100644
--- a/vis.c
+++ b/vis.c
@@ -157,7 +157,6 @@ static Mode *mode_prev;     /* previsouly active user mode */
 static Mode *mode_before_prompt; /* user mode which was active before entering prompt */
 static Action action;       /* current action which is in progress */
 static Action action_prev;  /* last operator action used by the repeat '.' key */
-static Buffer buffer_repeat;/* repeat last modification i.e. insertion/replacement */
 
 /** operators */
 static void op_change(OperatorContext *c);
@@ -686,19 +685,20 @@ static void op_join(OperatorContext *c) {
 }
 
 static void op_repeat_insert(OperatorContext *c) {
-	if (!buffer_repeat.len)
+	size_t len = vis->buffer_repeat.len;
+	if (!len)
 		return;
-	editor_insert(vis, c->pos, buffer_repeat.data, buffer_repeat.len);
-	window_cursor_to(vis->win->win, c->pos + buffer_repeat.len);
+	editor_insert(vis, c->pos, vis->buffer_repeat.data, len);
+	window_cursor_to(vis->win->win, c->pos + len);
 }
 
 static void op_repeat_replace(OperatorContext *c) {
-	if (!buffer_repeat.len)
+	size_t chars = 0, len = vis->buffer_repeat.len;
+	if (!len)
 		return;
-
-	size_t chars = 0;
-	for (size_t i = 0; i < buffer_repeat.len; i++) {
-		if (ISUTF8(buffer_repeat.data[i]))
+	const char *data = vis->buffer_repeat.data;
+	for (size_t i = 0; i < len; i++) {
+		if (ISUTF8(data[i]))
 			chars++;
 	}
 
@@ -878,7 +878,7 @@ static void replace(const Arg *arg) {
 	size_t pos = window_cursor_get(vis->win->win);
 	action_reset(&action_prev);
 	action_prev.op = &ops[OP_REPEAT_REPLACE];
-	buffer_put(&buffer_repeat, k.str, strlen(k.str));
+	buffer_put(&vis->buffer_repeat, k.str, strlen(k.str));
 	editor_delete_key(vis);
 	editor_insert_key(vis, k.str, strlen(k.str));
 	text_snapshot(vis->win->text->data);
-- 
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