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-rw-r--r--src/nvim/getchar.c194
1 files changed, 128 insertions, 66 deletions
diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
index 4e42042959..5d4e61d56a 100644
--- a/src/nvim/getchar.c
+++ b/src/nvim/getchar.c
@@ -92,17 +92,15 @@ static int typeahead_char = 0; /* typeahead char that's not flushed */
*/
static int block_redo = FALSE;
-/*
- * Make a hash value for a mapping.
- * "mode" is the lower 4 bits of the State for the mapping.
- * "c1" is the first character of the "lhs".
- * Returns a value between 0 and 255, index in maphash.
- * Put Normal/Visual mode mappings mostly separately from Insert/Cmdline mode.
- */
+// Make a hash value for a mapping.
+// "mode" is the lower 4 bits of the State for the mapping.
+// "c1" is the first character of the "lhs".
+// Returns a value between 0 and 255, index in maphash.
+// Put Normal/Visual mode mappings mostly separately from Insert/Cmdline mode.
#define MAP_HASH(mode, \
c1) (((mode) & \
(NORMAL + VISUAL + SELECTMODE + \
- OP_PENDING)) ? (c1) : ((c1) ^ 0x80))
+ OP_PENDING + TERM_FOCUS)) ? (c1) : ((c1) ^ 0x80))
// Each mapping is put in one of the MAX_MAPHASH hash lists,
// to speed up finding it.
@@ -256,16 +254,17 @@ static void add_buff(buffheader_T *const buf, const char *const s,
return;
}
- if (buf->bh_first.b_next == NULL) { /* first add to list */
+ if (buf->bh_first.b_next == NULL) { // first add to list
buf->bh_space = 0;
buf->bh_curr = &(buf->bh_first);
- } else if (buf->bh_curr == NULL) { /* buffer has already been read */
- EMSG(_("E222: Add to read buffer"));
+ } else if (buf->bh_curr == NULL) { // buffer has already been read
+ IEMSG(_("E222: Add to read buffer"));
return;
- } else if (buf->bh_index != 0)
+ } else if (buf->bh_index != 0) {
memmove(buf->bh_first.b_next->b_str,
- buf->bh_first.b_next->b_str + buf->bh_index,
- STRLEN(buf->bh_first.b_next->b_str + buf->bh_index) + 1);
+ buf->bh_first.b_next->b_str + buf->bh_index,
+ STRLEN(buf->bh_first.b_next->b_str + buf->bh_index) + 1);
+ }
buf->bh_index = 0;
size_t len;
@@ -870,20 +869,15 @@ int ins_typebuf(char_u *str, int noremap, int offset, int nottyped, bool silent)
addlen = (int)STRLEN(str);
- /*
- * Easy case: there is room in front of typebuf.tb_buf[typebuf.tb_off]
- */
if (offset == 0 && addlen <= typebuf.tb_off) {
+ // Easy case: there is room in front of typebuf.tb_buf[typebuf.tb_off]
typebuf.tb_off -= addlen;
memmove(typebuf.tb_buf + typebuf.tb_off, str, (size_t)addlen);
- }
- /*
- * Need to allocate a new buffer.
- * In typebuf.tb_buf there must always be room for 3 * MAXMAPLEN + 4
- * characters. We add some extra room to avoid having to allocate too
- * often.
- */
- else {
+ } else {
+ // Need to allocate a new buffer.
+ // In typebuf.tb_buf there must always be room for 3 * MAXMAPLEN + 4
+ // characters. We add some extra room to avoid having to allocate too
+ // often.
newoff = MAXMAPLEN + 4;
newlen = typebuf.tb_len + addlen + newoff + 4 * (MAXMAPLEN + 4);
if (newlen < 0) { /* string is getting too long */
@@ -1159,14 +1153,16 @@ void alloc_typebuf(void)
*/
void free_typebuf(void)
{
- if (typebuf.tb_buf == typebuf_init)
- EMSG2(_(e_intern2), "Free typebuf 1");
- else
+ if (typebuf.tb_buf == typebuf_init) {
+ internal_error("Free typebuf 1");
+ } else {
xfree(typebuf.tb_buf);
- if (typebuf.tb_noremap == noremapbuf_init)
- EMSG2(_(e_intern2), "Free typebuf 2");
- else
+ }
+ if (typebuf.tb_noremap == noremapbuf_init) {
+ internal_error("Free typebuf 2");
+ } else {
xfree(typebuf.tb_noremap);
+ }
}
/*
@@ -1665,10 +1661,10 @@ static int vgetorpeek(int advance)
}
if (c != NUL && !got_int) {
if (advance) {
- /* KeyTyped = FALSE; When the command that stuffed something
- * was typed, behave like the stuffed command was typed.
- * needed for CTRL-W CTRl-] to open a fold, for example. */
- KeyStuffed = TRUE;
+ // KeyTyped = FALSE; When the command that stuffed something
+ // was typed, behave like the stuffed command was typed.
+ // needed for CTRL-W CTRL-] to open a fold, for example.
+ KeyStuffed = true;
}
if (typebuf.tb_no_abbr_cnt == 0)
typebuf.tb_no_abbr_cnt = 1; /* no abbreviations now */
@@ -1806,7 +1802,7 @@ static int vgetorpeek(int advance)
* <M-a> and then changing 'encoding'. Beware
* that 0x80 is escaped. */
char_u *p1 = mp->m_keys;
- char_u *p2 = mb_unescape(&p1);
+ char_u *p2 = (char_u *)mb_unescape((const char **)&p1);
if (has_mbyte && p2 != NULL && MB_BYTE2LEN(c1) > MB_PTR2LEN(p2))
mlen = 0;
@@ -2537,7 +2533,6 @@ do_map (
bool unique = false;
bool nowait = false;
bool silent = false;
- bool special = false;
bool expr = false;
int noremap;
char_u *orig_rhs;
@@ -2583,12 +2578,9 @@ do_map (
continue;
}
- /*
- * Check for "<special>": accept special keys in <>
- */
+ // Ignore obsolete "<special>" modifier.
if (STRNCMP(keys, "<special>", 9) == 0) {
keys = skipwhite(keys + 9);
- special = true;
continue;
}
@@ -2657,7 +2649,7 @@ do_map (
// needs to be freed later (*keys_buf and *arg_buf).
// replace_termcodes() also removes CTRL-Vs and sometimes backslashes.
if (haskey) {
- keys = replace_termcodes(keys, STRLEN(keys), &keys_buf, true, true, special,
+ keys = replace_termcodes(keys, STRLEN(keys), &keys_buf, true, true, true,
CPO_TO_CPO_FLAGS);
}
orig_rhs = rhs;
@@ -2665,7 +2657,7 @@ do_map (
if (STRICMP(rhs, "<nop>") == 0) { // "<Nop>" means nothing
rhs = (char_u *)"";
} else {
- rhs = replace_termcodes(rhs, STRLEN(rhs), &arg_buf, false, true, special,
+ rhs = replace_termcodes(rhs, STRLEN(rhs), &arg_buf, false, true, true,
CPO_TO_CPO_FLAGS);
}
}
@@ -3245,7 +3237,7 @@ bool map_to_exists(const char *const str, const char *const modechars,
char_u *buf;
char_u *const rhs = replace_termcodes((const char_u *)str, strlen(str), &buf,
- false, true, false,
+ false, true, true,
CPO_TO_CPO_FLAGS);
#define MAPMODE(mode, modechars, chr, modeflags) \
@@ -3374,6 +3366,10 @@ set_context_in_map_cmd (
arg = skipwhite(arg + 8);
continue;
}
+ if (STRNCMP(arg, "<special>", 9) == 0) {
+ arg = skipwhite(arg + 9);
+ continue;
+ }
if (STRNCMP(arg, "<script>", 8) == 0) {
arg = skipwhite(arg + 8);
continue;
@@ -3416,21 +3412,24 @@ int ExpandMappings(regmatch_T *regmatch, int *num_file, char_u ***file)
for (round = 1; round <= 2; ++round) {
count = 0;
- for (i = 0; i < 6; ++i) {
- if (i == 0)
+ for (i = 0; i < 7; i++) {
+ if (i == 0) {
p = (char_u *)"<silent>";
- else if (i == 1)
+ } else if (i == 1) {
p = (char_u *)"<unique>";
- else if (i == 2)
+ } else if (i == 2) {
p = (char_u *)"<script>";
- else if (i == 3)
+ } else if (i == 3) {
p = (char_u *)"<expr>";
- else if (i == 4 && !expand_buffer)
+ } else if (i == 4 && !expand_buffer) {
p = (char_u *)"<buffer>";
- else if (i == 5)
+ } else if (i == 5) {
p = (char_u *)"<nowait>";
- else
+ } else if (i == 6) {
+ p = (char_u *)"<special>";
+ } else {
continue;
+ }
if (vim_regexec(regmatch, p, (colnr_T)0)) {
if (round == 1)
@@ -3916,7 +3915,7 @@ makemap (
c1 = 't';
break;
default:
- EMSG(_("E228: makemap: Illegal mode"));
+ IEMSG(_("E228: makemap: Illegal mode"));
return FAIL;
}
do { /* do this twice if c2 is set, 3 times with c3 */
@@ -3999,12 +3998,10 @@ int put_escstr(FILE *fd, char_u *strstart, int what)
return OK;
}
- for (; *str != NUL; ++str) {
- char_u *p;
-
- /* Check for a multi-byte character, which may contain escaped
- * K_SPECIAL and CSI bytes */
- p = mb_unescape(&str);
+ for (; *str != NUL; str++) {
+ // Check for a multi-byte character, which may contain escaped
+ // K_SPECIAL and CSI bytes.
+ const char *p = mb_unescape((const char **)&str);
if (p != NULL) {
while (*p != NUL)
if (fputc(*p++, fd) < 0)
@@ -4160,8 +4157,7 @@ void add_map(char_u *map, int mode)
}
// Translate an internal mapping/abbreviation representation into the
-// corresponding external one recognized by :map/:abbrev commands;
-// respects the current B/k/< settings of 'cpoption'.
+// corresponding external one recognized by :map/:abbrev commands.
//
// This function is called when expanding mappings/abbreviations on the
// command-line, and for building the "Ambiguous mapping..." error message.
@@ -4181,7 +4177,6 @@ static char_u * translate_mapping (
ga_init(&ga, 1, 40);
bool cpo_bslash = !(cpo_flags&FLAG_CPO_BSLASH);
- bool cpo_special = !(cpo_flags&FLAG_CPO_SPECI);
for (; *str; ++str) {
int c = *str;
@@ -4194,7 +4189,7 @@ static char_u * translate_mapping (
}
if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) {
- if (expmap && cpo_special) {
+ if (expmap) {
ga_clear(&ga);
return NULL;
}
@@ -4205,8 +4200,8 @@ static char_u * translate_mapping (
}
str += 2;
}
- if (IS_SPECIAL(c) || modifiers) { /* special key */
- if (expmap && cpo_special) {
+ if (IS_SPECIAL(c) || modifiers) { // special key
+ if (expmap) {
ga_clear(&ga);
return NULL;
}
@@ -4216,7 +4211,7 @@ static char_u * translate_mapping (
}
if (c == ' ' || c == '\t' || c == Ctrl_J || c == Ctrl_V
- || (c == '<' && !cpo_special) || (c == '\\' && !cpo_bslash)) {
+ || (c == '\\' && !cpo_bslash)) {
ga_append(&ga, cpo_bslash ? Ctrl_V : '\\');
}
@@ -4252,3 +4247,70 @@ mapblock_T *get_maphash(int index, buf_T *buf)
return (buf == NULL) ? maphash[index] : buf->b_maphash[index];
}
+
+/// Get command argument for <Cmd> key
+char_u * getcmdkeycmd(int promptc, void *cookie, int indent)
+{
+ garray_T line_ga;
+ int c1 = -1, c2;
+ int cmod = 0;
+ bool aborted = false;
+
+ ga_init(&line_ga, 1, 32);
+
+ no_mapping++;
+
+ got_int = false;
+ while (c1 != NUL && !aborted) {
+ ga_grow(&line_ga, 32);
+
+ if (vgetorpeek(false) == NUL) {
+ // incomplete <Cmd> is an error, because there is not much the user
+ // could do in this state.
+ EMSG(e_cmdmap_err);
+ aborted = true;
+ break;
+ }
+
+ // Get one character at a time.
+ c1 = vgetorpeek(true);
+ // Get two extra bytes for special keys
+ if (c1 == K_SPECIAL) {
+ c1 = vgetorpeek(true); // no mapping for these chars
+ c2 = vgetorpeek(true);
+ if (c1 == KS_MODIFIER) {
+ cmod = c2;
+ continue;
+ }
+ c1 = TO_SPECIAL(c1, c2);
+ }
+
+
+ if (got_int) {
+ aborted = true;
+ } else if (c1 == '\r' || c1 == '\n') {
+ c1 = NUL; // end the line
+ } else if (c1 == ESC) {
+ aborted = true;
+ } else if (c1 == K_COMMAND) {
+ // special case to give nicer error message
+ EMSG(e_cmdmap_repeated);
+ aborted = true;
+ } else if (IS_SPECIAL(c1)) {
+ EMSG2(e_cmdmap_key, get_special_key_name(c1, cmod));
+ aborted = true;
+ } else {
+ ga_append(&line_ga, (char)c1);
+ }
+
+ cmod = 0;
+ }
+
+ no_mapping--;
+
+ if (aborted) {
+ ga_clear(&line_ga);
+ }
+
+ return (char_u *)line_ga.ga_data;
+}