/* return the number of char copied to dest. */
int req_readId(REQ_FILE*rf, char* dest, int max)
{
int i;
*dest= '\0';
max= max-1;
i= 0;
req_skipComment(rf);
while(!eos(rf) && isidchar(current(rf)) && (i<max)) {
*(dest++)= current(rf);
i++;
req_readChar(rf);
}
*dest= '\0';
req_skipComment(rf);
return i;
}
/* getid - get an identifier */
static int getid(CsCompiler *c,int ch)
{
int len=1,i;
char *p;
/* get the identifier */
p = c->t_token; *p++ = ch;
while ((ch = getch(c)) != EOF && isidchar(ch)) {
if (++len > TKNSIZE)
CsParseError(c,"identifier too long");
*p++ = ch;
}
c->savedChar = ch;
*p = '\0';
/* check to see if it is a keyword */
for (i = 0; ktab[i].kt_keyword != NULL; ++i)
if (strcmp(ktab[i].kt_keyword,c->t_token) == 0)
return ktab[i].kt_token;
return T_IDENTIFIER;
}
int stdscan(void *private_data, struct tokenval *tv)
{
char ourcopy[MAX_KEYWORD + 1], *r, *s;
(void)private_data; /* Don't warn that this parameter is unused */
stdscan_bufptr = nasm_skip_spaces(stdscan_bufptr);
if (!*stdscan_bufptr)
return tv->t_type = TOKEN_EOS;
/* we have a token; either an id, a number or a char */
if (isidstart(*stdscan_bufptr) ||
(*stdscan_bufptr == '$' && isidstart(stdscan_bufptr[1]))) {
/* now we've got an identifier */
bool is_sym = false;
int token_type;
if (*stdscan_bufptr == '$') {
is_sym = true;
stdscan_bufptr++;
}
r = stdscan_bufptr++;
/* read the entire buffer to advance the buffer pointer but... */
while (isidchar(*stdscan_bufptr))
stdscan_bufptr++;
/* ... copy only up to IDLEN_MAX-1 characters */
tv->t_charptr = stdscan_copy(r, stdscan_bufptr - r < IDLEN_MAX ?
stdscan_bufptr - r : IDLEN_MAX - 1);
if (is_sym || stdscan_bufptr - r > MAX_KEYWORD)
return tv->t_type = TOKEN_ID; /* bypass all other checks */
for (s = tv->t_charptr, r = ourcopy; *s; s++)
*r++ = nasm_tolower(*s);
*r = '\0';
/* right, so we have an identifier sitting in temp storage. now,
* is it actually a register or instruction name, or what? */
token_type = nasm_token_hash(ourcopy, tv);
if (likely(!(tv->t_flag & TFLAG_BRC))) {
/* most of the tokens fall into this case */
return token_type;
} else {
return tv->t_type = TOKEN_ID;
}
} else if (*stdscan_bufptr == '$' && !isnumchar(stdscan_bufptr[1])) {
/*
* It's a $ sign with no following hex number; this must
* mean it's a Here token ($), evaluating to the current
* assembly location, or a Base token ($$), evaluating to
* the base of the current segment.
*/
stdscan_bufptr++;
if (*stdscan_bufptr == '$') {
stdscan_bufptr++;
return tv->t_type = TOKEN_BASE;
}
return tv->t_type = TOKEN_HERE;
} else if (isnumstart(*stdscan_bufptr)) { /* now we've got a number */
bool rn_error;
bool is_hex = false;
bool is_float = false;
bool has_e = false;
char c;
r = stdscan_bufptr;
if (*stdscan_bufptr == '$') {
stdscan_bufptr++;
is_hex = true;
}
for (;;) {
c = *stdscan_bufptr++;
if (!is_hex && (c == 'e' || c == 'E')) {
has_e = true;
if (*stdscan_bufptr == '+' || *stdscan_bufptr == '-') {
/*
* e can only be followed by +/- if it is either a
* prefixed hex number or a floating-point number
*/
is_float = true;
stdscan_bufptr++;
}
} else if (c == 'H' || c == 'h' || c == 'X' || c == 'x') {
is_hex = true;
} else if (c == 'P' || c == 'p') {
is_float = true;
if (*stdscan_bufptr == '+' || *stdscan_bufptr == '-')
stdscan_bufptr++;
} else if (isnumchar(c) || c == '_')
; /* just advance */
else if (c == '.')
is_float = true;
else
break;
}
stdscan_bufptr--; /* Point to first character beyond number */
if (has_e && !is_hex) {
/* 1e13 is floating-point, but 1e13h is not */
is_float = true;
}
if (is_float) {
tv->t_charptr = stdscan_copy(r, stdscan_bufptr - r);
return tv->t_type = TOKEN_FLOAT;
} else {
r = stdscan_copy(r, stdscan_bufptr - r);
tv->t_integer = readnum(r, &rn_error);
stdscan_pop();
if (rn_error) {
/* some malformation occurred */
return tv->t_type = TOKEN_ERRNUM;
}
tv->t_charptr = NULL;
return tv->t_type = TOKEN_NUM;
}
} else if (*stdscan_bufptr == '\'' || *stdscan_bufptr == '"' ||
*stdscan_bufptr == '`') {
/* a quoted string */
char start_quote = *stdscan_bufptr;
tv->t_charptr = stdscan_bufptr;
tv->t_inttwo = nasm_unquote(tv->t_charptr, &stdscan_bufptr);
if (*stdscan_bufptr != start_quote)
return tv->t_type = TOKEN_ERRSTR;
stdscan_bufptr++; /* Skip final quote */
return tv->t_type = TOKEN_STR;
} else if (*stdscan_bufptr == '{') {
/* now we've got a decorator */
int token_len;
stdscan_bufptr = nasm_skip_spaces(stdscan_bufptr);
r = ++stdscan_bufptr;
/*
* read the entire buffer to advance the buffer pointer
* {rn-sae}, {rd-sae}, {ru-sae}, {rz-sae} contain '-' in tokens.
*/
while (isbrcchar(*stdscan_bufptr))
stdscan_bufptr++;
token_len = stdscan_bufptr - r;
/* ... copy only up to DECOLEN_MAX-1 characters */
tv->t_charptr = stdscan_copy(r, token_len < DECOLEN_MAX ?
token_len : DECOLEN_MAX - 1);
stdscan_bufptr = nasm_skip_spaces(stdscan_bufptr);
/* if brace is not closed properly or token is too long */
if ((*stdscan_bufptr != '}') || (token_len > MAX_KEYWORD)) {
nasm_error(ERR_NONFATAL,
"invalid decorator token inside braces");
return tv->t_type = TOKEN_INVALID;
}
stdscan_bufptr++; /* skip closing brace */
for (s = tv->t_charptr, r = ourcopy; *s; s++)
*r++ = nasm_tolower(*s);
*r = '\0';
/* right, so we have a decorator sitting in temp storage. */
nasm_token_hash(ourcopy, tv);
/* handle tokens inside braces */
return stdscan_handle_brace(tv);
} else if (*stdscan_bufptr == ';') {
/* a comment has happened - stay */
return tv->t_type = TOKEN_EOS;
} else if (stdscan_bufptr[0] == '>' && stdscan_bufptr[1] == '>') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_SHR;
} else if (stdscan_bufptr[0] == '<' && stdscan_bufptr[1] == '<') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_SHL;
} else if (stdscan_bufptr[0] == '/' && stdscan_bufptr[1] == '/') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_SDIV;
} else if (stdscan_bufptr[0] == '%' && stdscan_bufptr[1] == '%') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_SMOD;
} else if (stdscan_bufptr[0] == '=' && stdscan_bufptr[1] == '=') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_EQ;
} else if (stdscan_bufptr[0] == '<' && stdscan_bufptr[1] == '>') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_NE;
} else if (stdscan_bufptr[0] == '!' && stdscan_bufptr[1] == '=') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_NE;
} else if (stdscan_bufptr[0] == '<' && stdscan_bufptr[1] == '=') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_LE;
} else if (stdscan_bufptr[0] == '>' && stdscan_bufptr[1] == '=') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_GE;
} else if (stdscan_bufptr[0] == '&' && stdscan_bufptr[1] == '&') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_DBL_AND;
} else if (stdscan_bufptr[0] == '^' && stdscan_bufptr[1] == '^') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_DBL_XOR;
} else if (stdscan_bufptr[0] == '|' && stdscan_bufptr[1] == '|') {
stdscan_bufptr += 2;
return tv->t_type = TOKEN_DBL_OR;
} else /* just an ordinary char */
return tv->t_type = (uint8_t)(*stdscan_bufptr++);
}
/* rtoken - read the next CsToken */
static int rtoken(CsCompiler *c)
{
int ch,ch2;
/* check the next character */
for (;;)
switch (ch = skipspaces(c)) {
case EOF: return T_EOF;
case '\"':
return getstring(c);
case '`':
return getstring(c, '`');
case '\'': return getcharacter(c);
case '<': switch (ch = getch(c)) {
case '=':
return T_LE;
case '<':
if ((ch = getch(c)) == '=')
return T_SHLEQ;
else if( ch == '<' )
{
if ((ch = getch(c)) == '=')
return T_USHLEQ;
c->savedChar = ch;
return T_USHL;
}
c->savedChar = ch;
return T_SHL;
default:
c->savedChar = ch;
return '<';
}
case '=': if ((ch = getch(c)) == '=')
{
if ((ch = getch(c)) == '=')
{
return T_EQ_STRONG;
}
c->savedChar = ch;
return T_EQ;
}
c->savedChar = ch;
return '=';
case '!': if ((ch = getch(c)) == '=')
{
if ((ch = getch(c)) == '=')
{
return T_NE_STRONG;
}
c->savedChar = ch;
return T_NE;
}
c->savedChar = ch;
return '!';
case '>': switch (ch = getch(c)) {
case '=':
return T_GE;
case '>':
if ((ch = getch(c)) == '=')
return T_SHREQ;
else if( ch == '>' )
{
if ((ch = getch(c)) == '=')
return T_USHREQ;
c->savedChar = ch;
return T_USHR;
}
c->savedChar = ch;
return T_SHR;
default:
c->savedChar = ch;
return '>';
}
case '&': switch (ch = getch(c)) {
case '&':
return T_AND;
case '=':
return T_ANDEQ;
default:
c->savedChar = ch;
return '&';
}
case '%': switch (ch = getch(c))
{
case '>':
return getoutputstring(c);
case '=':
return T_REMEQ;
case '~':
return T_RCDR;
default:
c->savedChar = ch;
return '%';
}
case '|': switch (ch = getch(c)) {
case '|':
return T_OR;
case '=':
return T_OREQ;
default:
c->savedChar = ch;
return '|';
}
case '^': if ((ch = getch(c)) == '=')
return T_XOREQ;
c->savedChar = ch;
return '^';
case '+': switch (ch = getch(c)) {
case '+':
return T_INC;
case '=':
return T_ADDEQ;
default:
c->savedChar = ch;
return '+';
}
case '-': switch (ch = getch(c)) {
case '-':
return T_DEC;
case '=':
return T_SUBEQ;
default:
c->savedChar = ch;
return '-';
}
case '~': switch (ch = getch(c)) {
case '/':
return T_CAR;
case '%':
return T_CDR;
default:
c->savedChar = ch;
return '~';
}
case '*': if ((ch = getch(c)) == '=')
return T_MULEQ;
c->savedChar = ch;
return '*';
case '/': switch (ch = getch(c)) {
case '=':
return T_DIVEQ;
case '/':
while ((ch = getch(c)) != EOF)
if (ch == '\n')
break;
break;
case '*':
ch = ch2 = EOF;
for (; (ch2 = getch(c)) != EOF; ch = ch2)
if (ch == '*' && ch2 == '/')
break;
break;
case '~':
return T_RCAR;
default:
c->savedChar = ch;
return '/';
}
break;
case '.': if ((ch = getch(c)) != EOF && is_digit(ch)) {
c->savedChar = ch;
return getnumber(c,'.');
}
else if (ch == '.') {
c->t_token[0] = '.';
c->t_token[1] = '.';
c->t_token[2] = '\0';
return T_DOTDOT;
}
else {
c->savedChar = ch;
c->t_token[0] = '.';
c->t_token[1] = '\0';
return '.';
}
break;
case 1: return T_DOTDOT;
case '0': switch (ch = getch(c)) {
case 'x':
case 'X':
return getradixnumber(c,16);
case 'b':
case 'B':
return getradixnumber(c,2);
default:
c->savedChar = ch;
if (ch >= '0' && ch <= '7')
return getradixnumber(c,8);
else
return getnumber(c,'0');
}
break;
case '#': return getsymbol(c);
default: if (is_digit(ch))
return getnumber(c,ch);
else if (isidchar(ch))
return getid(c,ch);
else {
c->t_token[0] = ch;
c->t_token[1] = '\0';
return ch;
}
}
}
/* Reads next symbol */
static
void InSymbol(LPIT8 it8)
{
register char *idptr;
register int k;
SYMBOL key;
int sng;
do {
while (isseparator(it8->ch))
NextCh(it8);
if (isfirstidchar(it8->ch)) { /* Identifier */
k = 0;
idptr = it8->id;
do {
if (++k < MAXID) *idptr++ = (char) it8->ch;
NextCh(it8);
} while (isidchar(it8->ch));
*idptr = '\0';
xstrupr(it8->id);
key = BinSrchKey(it8->id);
if (key == SNONE) it8->sy = SIDENT;
else it8->sy = key;
}
else /* Is a number? */
if (isdigit(it8->ch) || it8->ch == '.' || it8->ch == '-' || it8->ch == '+')
{
int sign = 1;
if (it8->ch == '-') {
sign = -1;
NextCh(it8);
}
it8->inum = 0;
it8->sy = SINUM;
while (isdigit(it8->ch))
{
if ((long) it8->inum * 10L > (long) INT_MAX)
{
ReadReal(it8, it8->inum);
it8->sy = SDNUM;
it8->dnum *= sign;
return;
}
it8->inum = it8->inum * 10 + (it8->ch - '0');
NextCh(it8);
}
if (it8->ch == '.') {
ReadReal(it8, it8->inum);
it8->sy = SDNUM;
it8->dnum *= sign;
return;
}
it8 -> inum *= sign;
return;
}
else
switch ((int) it8->ch) {
case '\0':
case '\x1a':
it8->sy = SEOF;
break;
case '\n':
NextCh(it8);
it8->sy = SEOLN;
it8->lineno++;
break;
/* Comment */
case '#':
NextCh(it8);
while (it8->ch && it8->ch != '\n')
NextCh(it8);
it8->sy = SCOMMENT;
break;
/* String. I will support \", \n, \t and \\. */
/* But otherwise I hardly doubt these will be used ... */
case '\'':
case '\"':
idptr = it8->str;
sng = it8->ch;
k = 0;
NextCh(it8);
while (k < MAXSTR && it8->ch != sng) {
if (it8->ch == '\n'|| it8->ch == '\r') k = MAXSTR+1;
else {
if (it8->ch == '\\')
{
NextCh(it8);
switch (it8->ch) {
case 'n': *idptr++ = '\n'; break;
case 'r': *idptr++ = '\r'; break;
case 't': *idptr++ = '\t'; break;
case '\\': *idptr++ = '\\'; break;
default:
*idptr++ = (char) it8->ch;
}
NextCh(it8);
}
else
{
*idptr++ = (char) it8->ch;
NextCh(it8);
}
k++;
}
}
it8->sy = SSTRING;
*idptr = '\0';
NextCh(it8);
break;
default:
it8->sy = SSYNERROR;
NextCh(it8);
}
} while (it8->sy == SCOMMENT);
}
/* Checks whatsever if c is a valid identifier first char. */
static
BOOL isfirstidchar(int c)
{
return !isdigit(c) && isidchar(c);
}
void Macro::expand(OutBuffer *buf, unsigned start, unsigned *pend,
unsigned char *arg, unsigned arglen)
{
#if 0
printf("Macro::expand(buf[%d..%d], arg = '%.*s')\n", start, *pend, arglen, arg);
printf("Buf is: '%.*s'\n", *pend - start, buf->data + start);
#endif
static int nest;
if (nest > 100) // limit recursive expansion
return;
nest++;
unsigned end = *pend;
assert(start <= end);
assert(end <= buf->offset);
/* First pass - replace $0
*/
arg = memdup(arg, arglen);
for (unsigned u = start; u + 1 < end; )
{
unsigned char *p = buf->data; // buf->data is not loop invariant
/* Look for $0, but not $$0, and replace it with arg.
*/
if (p[u] == '$' && (isdigit(p[u + 1]) || p[u + 1] == '+'))
{
if (u > start && p[u - 1] == '$')
{ // Don't expand $$0, but replace it with $0
buf->remove(u - 1, 1);
end--;
u += 1; // now u is one past the closing '1'
continue;
}
unsigned char c = p[u + 1];
int n = (c == '+') ? -1 : c - '0';
unsigned char *marg;
unsigned marglen;
extractArgN(arg, arglen, &marg, &marglen, n);
if (marglen == 0)
{ // Just remove macro invocation
//printf("Replacing '$%c' with '%.*s'\n", p[u + 1], marglen, marg);
buf->remove(u, 2);
end -= 2;
}
else if (c == '+')
{
// Replace '$+' with 'arg'
//printf("Replacing '$%c' with '%.*s'\n", p[u + 1], marglen, marg);
buf->remove(u, 2);
buf->insert(u, marg, marglen);
end += marglen - 2;
// Scan replaced text for further expansion
unsigned mend = u + marglen;
expand(buf, u, &mend, NULL, 0);
end += mend - (u + marglen);
u = mend;
}
else
{
// Replace '$1' with '\xFF{arg\xFF}'
//printf("Replacing '$%c' with '\xFF{%.*s\xFF}'\n", p[u + 1], marglen, marg);
buf->data[u] = 0xFF;
buf->data[u + 1] = '{';
buf->insert(u + 2, marg, marglen);
buf->insert(u + 2 + marglen, "\xFF}", 2);
end += -2 + 2 + marglen + 2;
// Scan replaced text for further expansion
unsigned mend = u + 2 + marglen;
expand(buf, u + 2, &mend, NULL, 0);
end += mend - (u + 2 + marglen);
u = mend;
}
//printf("u = %d, end = %d\n", u, end);
//printf("#%.*s#\n", end, &buf->data[0]);
continue;
}
u++;
}
/* Second pass - replace other macros
*/
for (unsigned u = start; u + 4 < end; )
{
unsigned char *p = buf->data; // buf->data is not loop invariant
/* A valid start of macro expansion is $(c, where c is
* an id start character, and not $$(c.
*/
if (p[u] == '$' && p[u + 1] == '(' && isidstart(p[u + 2]))
{
//printf("\tfound macro start '%c'\n", p[u + 2]);
unsigned char *name = p + u + 2;
unsigned namelen = 0;
unsigned char *marg;
unsigned marglen;
unsigned v;
/* Scan forward to find end of macro name and
* beginning of macro argument (marg).
*/
for (v = u + 2; v < end; v++)
{ unsigned char c = p[v];
if (!isidchar(c))
{ // We've gone past the end of the macro name.
namelen = v - (u + 2);
break;
}
}
v += extractArgN(p + v, end - v, &marg, &marglen, 0);
assert(v <= end);
if (v < end)
{ // v is on the closing ')'
if (u > start && p[u - 1] == '$')
{ // Don't expand $$(NAME), but replace it with $(NAME)
buf->remove(u - 1, 1);
end--;
u = v; // now u is one past the closing ')'
continue;
}
Macro *m = search(name, namelen);
if (m)
{
#if 0
if (m->textlen && m->text[0] == ' ')
{ m->text++;
m->textlen--;
}
#endif
if (m->inuse && marglen == 0)
{ // Remove macro invocation
buf->remove(u, v + 1 - u);
end -= v + 1 - u;
}
else if (m->inuse && arglen == marglen && memcmp(arg, marg, arglen) == 0)
{ // Recursive expansion; just leave in place
}
else
{
//printf("\tmacro '%.*s'(%.*s) = '%.*s'\n", m->namelen, m->name, marglen, marg, m->textlen, m->text);
#if 1
marg = memdup(marg, marglen);
// Insert replacement text
buf->spread(v + 1, 2 + m->textlen + 2);
buf->data[v + 1] = 0xFF;
buf->data[v + 2] = '{';
memcpy(buf->data + v + 3, m->text, m->textlen);
buf->data[v + 3 + m->textlen] = 0xFF;
buf->data[v + 3 + m->textlen + 1] = '}';
end += 2 + m->textlen + 2;
// Scan replaced text for further expansion
m->inuse++;
unsigned mend = v + 1 + 2+m->textlen+2;
expand(buf, v + 1, &mend, marg, marglen);
end += mend - (v + 1 + 2+m->textlen+2);
m->inuse--;
buf->remove(u, v + 1 - u);
end -= v + 1 - u;
u += mend - (v + 1);
#else
// Insert replacement text
buf->insert(v + 1, m->text, m->textlen);
end += m->textlen;
// Scan replaced text for further expansion
m->inuse++;
unsigned mend = v + 1 + m->textlen;
expand(buf, v + 1, &mend, marg, marglen);
end += mend - (v + 1 + m->textlen);
m->inuse--;
buf->remove(u, v + 1 - u);
end -= v + 1 - u;
u += mend - (v + 1);
#endif
mem.free(marg);
//printf("u = %d, end = %d\n", u, end);
//printf("#%.*s#\n", end - u, &buf->data[u]);
continue;
}
}
else
{
// Replace $(NAME) with nothing
buf->remove(u, v + 1 - u);
end -= (v + 1 - u);
continue;
}
}
}
u++;
}
mem.free(arg);
*pend = end;
nest--;
}
void
normal()
{
register u_char c;
long n;
int flag = FALSE;
int type = 0; /* used in some operations to modify type */
int dir = FORWARD; /* search direction */
u_char nchar = NUL;
int finish_op;
linenr_t Prenum1;
char searchbuff[CMDBUFFSIZE]; /* buffer for search string */
FPOS *pos;
register char *ptr;
int command_busy = FALSE;
static linenr_t redo_Quote_nlines;
static int redo_Quote_type;
static long redo_Quote_col;
Prenum = 0;
/*
* If there is an operator pending, then the command we take this time
* will terminate it. Finish_op tells us to finish the operation before
* returning this time (unless the operation was cancelled).
*/
finish_op = (operator != NOP);
if (!finish_op && !yankbuffer)
opnum = 0;
if (vpeekc() == NUL || KeyTyped == TRUE)
premsg(NUL, NUL);
State = NORMAL_BUSY;
c = vgetc();
/* Pick up any leading digits and compute 'Prenum' */
while ((c >= '1' && c <= '9') || (Prenum > 0 && (c == DEL || c == '0')))
{
if (c == DEL)
Prenum /= 10;
else
Prenum = Prenum * 10 + (c - '0');
premsg(' ', NUL);
c = vgetc();
}
/*
* If we're in the middle of an operator (including after entering a yank
* buffer with ") AND we had a count before the
* operator, then that count overrides the current value of Prenum. What
* this means effectively, is that commands like "3dw" get turned into
* "d3w" which makes things fall into place pretty neatly.
* If you give a count before AND after the operator, they are multiplied.
*/
if (opnum != 0)
{
if (Prenum)
Prenum *= opnum;
else
Prenum = opnum;
opnum = 0;
}
Prenum1 = (Prenum == 0 ? 1 : Prenum); /* Prenum often defaults to 1 */
premsg(c, NUL);
/*
* get an additional character if we need one
*/
if (strchr("@zZtTfF[]rm'`\"", c) || (c == 'v' && Recording == FALSE))
{
State = NOMAPPING;
nchar = vgetc(); /* no macro mapping for this char */
premsg(c, nchar);
}
flushbuf(); /* flush the premsg() characters onto the screen so we can
see them while the command is being executed */
if (c != 'z') /* the 'z' command gets another character */
{
State = NORMAL;
script_winsize_pp();
}
if (nchar == ESC)
{
CLEAROP;
goto normal_end;
}
switch (c)
{
/*
* 0: Macros
*/
case 'v': /* (stop) recording into a named buffer */
CHECKCLEAROP;
if (!dorecord(nchar))
CLEAROPBEEP;
break;
case '@': /* execute a named buffer */
CHECKCLEAROP;
while (Prenum1--)
if (!doexecbuf(nchar))
{
CLEAROPBEEP;
break;
}
break;
/*
* 1: Screen positioning commands
*/
case CTRL('D'):
flag = TRUE;
case CTRL('U'):
CHECKCLEAROP;
if (Prenum)
p_scroll = (Prenum > Rows - 1) ? Rows - 1 : Prenum;
n = (p_scroll < Rows) ? p_scroll : Rows - 1;
if (flag)
{
scrollup(n);
onedown(n);
}
else
{
scrolldown(n);
oneup(n);
}
updateScreen(VALID);
break;
case CTRL('B'):
case K_SUARROW:
dir = BACKWARD;
case CTRL('F'):
case K_SDARROW:
CHECKCLEAROP;
onepage(dir, Prenum1);
break;
case CTRL('E'):
CHECKCLEAROP;
scrollup(Prenum1);
updateScreen(VALID);
break;
case CTRL('Y'):
CHECKCLEAROP;
scrolldown(Prenum1);
updateScreen(VALID);
break;
case 'z':
CHECKCLEAROP;
if (isdigit(nchar))
{
/*
* we misuse some variables to be able to call premsg()
*/
operator = c;
opnum = Prenum;
Prenum = nchar - '0';
for (;;)
{
premsg(' ', NUL);
nchar = vgetc();
State = NORMAL;
script_winsize_pp();
if (nchar == DEL)
Prenum /= 10;
else if (isdigit(nchar))
Prenum = Prenum * 10 + (nchar - '0');
else if (nchar == CR)
{
set_winsize((int)Columns, (int)Prenum, TRUE);
break;
}
else
{
CLEAROPBEEP;
break;
}
}
operator = NOP;
break;
}
if (Prenum) /* line number given */
{
if (Prenum > line_count)
Curpos.lnum = line_count;
else
Curpos.lnum = Prenum;
}
State = NORMAL;
script_winsize_pp();
switch (nchar)
{
case NL: /* put Curpos at top of screen */
case CR:
Topline = Prenum;
updateScreen(VALID);
break;
case '.': /* put Curspos in middle of screen */
n = Rows / 2;
goto dozcmd;
case '-': /* put Curpos at bottom of screen */
n = Rows - 1;
/* FALLTHROUGH */
dozcmd:
{
register linenr_t lp = Prenum;
register long l = 0;
while ((l < n) && (lp != 0))
{
l += plines(lp);
Topline = lp;
--lp;
}
}
updateScreen(VALID);
break;
default:
CLEAROPBEEP;
}
break;
/*
* 2: Control commands
*/
case ':':
if (Quote.lnum)
goto dooperator;
CHECKCLEAROP;
docmdline(NULL);
break;
case K_HELP:
CHECKCLEAROP;
help();
break;
case CTRL('L'):
CHECKCLEAROP;
updateScreen(CLEAR);
break;
case CTRL('G'):
CHECKCLEAROP;
fileinfo();
break;
case K_CCIRCM: /* shorthand command */
CHECKCLEAROPQ;
if (getaltfile((int)Prenum, (linenr_t)0, TRUE))
emsg(e_noalt);
break;
case 'Z': /* write, if changed, and exit */
CHECKCLEAROPQ;
if (nchar != 'Z')
{
CLEAROPBEEP;
break;
}
stuffReadbuff(":x\n");
break;
case CTRL(']'): /* :ta to current identifier */
CHECKCLEAROPQ;
case '*': /* / to current identifier */
case '#': /* ? to current identifier */
case 'K': /* run program for current identifier */
{
register int col;
ptr = nr2ptr(Curpos.lnum);
col = Curpos.col;
/*
* skip to start of identifier.
*/
while (ptr[col] != NUL && !isidchar(ptr[col]))
++col;
/*
* Back up to start of identifier. This doesn't match the
* real vi but I like it a little better and it shouldn't bother
* anyone.
*/
while (col > 0 && isidchar(ptr[col - 1]))
--col;
if (!isidchar(ptr[col]))
{
CLEAROPBEEP;
break;
}
if (Prenum)
stuffnumReadbuff(Prenum);
switch (c)
{
case '*':
stuffReadbuff("/");
break;
case '#':
stuffReadbuff("?");
break;
case 'K':
stuffReadbuff(":! ");
stuffReadbuff(p_kp);
stuffReadbuff(" ");
break;
default:
stuffReadbuff(":ta ");
}
/*
* Now grab the chars in the identifier
*/
while (isidchar(ptr[col]))
{
stuffReadbuff(mkstr(ptr[col]));
++col;
}
stuffReadbuff("\n");
}
break;
case CTRL('T'): /* backwards in tag stack */
CHECKCLEAROPQ;
dotag("", 2, (int)Prenum1);
break;
/*
* Cursor motions
*/
case 'G':
mtype = MLINE;
setpcmark();
if (Prenum == 0 || Prenum > line_count)
Curpos.lnum = line_count;
else
Curpos.lnum = Prenum;
beginline(TRUE);
break;
case 'H':
case 'M':
if (c == 'M')
n = Rows / 2;
else
n = Prenum;
mtype = MLINE;
Curpos.lnum = Topline;
while (n && onedown((long)1))
--n;
beginline(TRUE);
break;
case 'L':
mtype = MLINE;
Curpos.lnum = Botline - 1;
for (n = Prenum; n && oneup((long)1); n--)
;
beginline(TRUE);
break;
case 'l':
case K_RARROW:
case ' ':
mtype = MCHAR;
mincl = FALSE;
n = Prenum1;
while (n--)
{
if (!oneright())
{
if (operator == NOP)
beep();
else
{
if (lineempty(Curpos.lnum))
CLEAROPBEEP;
else
{
mincl = TRUE;
if (n)
beep();
}
}
break;
}
}
set_want_col = TRUE;
break;
case 'h':
case K_LARROW:
case CTRL('H'):
case DEL:
mtype = MCHAR;
mincl = FALSE;
n = Prenum1;
while (n--)
{
if (!oneleft())
{
if (operator != DELETE && operator != CHANGE)
beep();
else if (Prenum1 == 1)
CLEAROPBEEP;
break;
}
}
set_want_col = TRUE;
break;
case '-':
flag = TRUE;
/* FALLTHROUGH */
case 'k':
case K_UARROW:
case CTRL('P'):
mtype = MLINE;
if (!oneup(Prenum1))
CLEAROPBEEP;
else if (flag)
beginline(TRUE);
break;
case '+':
case CR:
flag = TRUE;
/* FALLTHROUGH */
case 'j':
case K_DARROW:
case CTRL('N'):
case NL:
mtype = MLINE;
if (!onedown(Prenum1))
CLEAROPBEEP;
else if (flag)
beginline(TRUE);
break;
/*
* This is a strange motion command that helps make operators more
* logical. It is actually implemented, but not documented in the
* real 'vi'. This motion command actually refers to "the current
* line". Commands like "dd" and "yy" are really an alternate form of
* "d_" and "y_". It does accept a count, so "d3_" works to delete 3
* lines.
*/
case '_':
lineop:
mtype = MLINE;
if (!onedown((long)(Prenum1 - 1)))
CLEAROPBEEP;
else if (operator != YANK) /* 'Y' does not move cursor */
beginline(TRUE);
break;
case '|':
mtype = MCHAR;
mincl = TRUE;
beginline(FALSE);
if (Prenum > 0)
coladvance((colnr_t)(Prenum - 1));
Curswant = Prenum - 1;
break;
/*
* Word Motions
*/
case 'B':
type = 1;
/* FALLTHROUGH */
case 'b':
case K_SLARROW:
mtype = MCHAR;
mincl = FALSE;
set_want_col = TRUE;
if (bck_word(Prenum1, type))
CLEAROPBEEP;
break;
case 'E':
type = 1;
/* FALLTHROUGH */
case 'e':
mincl = TRUE;
goto dowrdcmd;
case 'W':
type = 1;
/* FALLTHROUGH */
case 'w':
case K_SRARROW:
mincl = FALSE;
flag = TRUE;
/*
* This is a little strange. To match what the real vi does, we
* effectively map 'cw' to 'ce', and 'cW' to 'cE', provided that we are
* not on a space or a TAB. This seems
* impolite at first, but it's really more what we mean when we say
* 'cw'.
*/
if (operator == CHANGE && (n = gcharCurpos()) != ' ' && n != TAB &&
n != NUL)
{
mincl = TRUE;
flag = FALSE;
}
dowrdcmd:
mtype = MCHAR;
set_want_col = TRUE;
if (flag)
n = fwd_word(Prenum1, type);
else
n = end_word(Prenum1, type, operator == CHANGE);
if (n)
{
CLEAROPBEEP;
break;
}
/*
* if we do a 'dw' for the last word in a line, we only delete the rest
* of the line, not joining the two lines.
*/
if (operator == DELETE && Prenum1 == 1 && startop.lnum != Curpos.lnum)
{
Curpos = startop;
while (oneright())
;
mincl = TRUE;
}
break;
case '$':
mtype = MCHAR;
mincl = TRUE;
Curswant = 29999; /* so we stay at the end */
if (!onedown((long)(Prenum1 - 1)))
{
CLEAROPBEEP;
break;
}
if (Quote_block)
updateScreen(NOT_VALID);
break;
case '^':
flag = TRUE;
/* FALLTHROUGH */
case '0':
mtype = MCHAR;
mincl = TRUE;
beginline(flag);
break;
/*
* 4: Searches
*/
case '?':
case '/':
if (!getcmdline(c, (u_char *)searchbuff))
{
CLEAROP;
break;
}
mtype = MCHAR;
mincl = FALSE;
set_want_col = TRUE;
n = dosearch(c == '/' ? FORWARD : BACKWARD, searchbuff, FALSE, Prenum1);
if (n == 0)
CLEAROPBEEP;
else if (n == 2)
mtype = MLINE;
break;
case 'N':
flag = 1;
case 'n':
mtype = MCHAR;
mincl = FALSE;
set_want_col = TRUE;
if (!dosearch(0, NULL, flag, Prenum1))
CLEAROPBEEP;
break;
/*
* Character searches
*/
case 'T':
dir = BACKWARD;
/* FALLTHROUGH */
case 't':
type = 1;
goto docsearch;
case 'F':
dir = BACKWARD;
/* FALLTHROUGH */
case 'f':
docsearch:
mtype = MCHAR;
mincl = TRUE;
set_want_col = TRUE;
if (!searchc(nchar, dir, type, Prenum1))
{
CLEAROPBEEP;
}
break;
case ',':
flag = 1;
/* FALLTHROUGH */
case ';':
dir = flag;
goto docsearch; /* nchar == NUL, thus repeat previous search */
/*
* section or C function searches
*/
case '[':
dir = BACKWARD;
/* FALLTHROUGH */
case ']':
mtype = MLINE;
set_want_col = TRUE;
flag = '{';
if (nchar != c)
{
if (nchar == '[' || nchar == ']')
flag = '}';
else
{
CLEAROPBEEP;
break;
}
}
if (dir == FORWARD && operator != NOP) /* e.g. y]] searches for '}' */
flag = '}';
if (!findpar(dir, Prenum1, flag))
{
CLEAROPBEEP;
}
break;
case '%':
mincl = TRUE;
if (Prenum) /* {cnt}% : goto {cnt} percentage in file */
{
if (Prenum > 100)
CLEAROPBEEP;
else
{
mtype = MLINE;
setpcmark();
Curpos.lnum = line_count * Prenum / 100;
Curpos.col = 0;
}
}
else /* % : go to matching paren */
{
mtype = MCHAR;
if ((pos = showmatch()) == NULL)
CLEAROPBEEP;
else
{
setpcmark();
Curpos = *pos;
set_want_col = TRUE;
}
}
break;
case '(':
dir = BACKWARD;
/* FALLTHROUGH */
case ')':
mtype = MCHAR;
if (c == ')')
mincl = FALSE;
else
mincl = TRUE;
set_want_col = TRUE;
if (!findsent(dir, Prenum1))
CLEAROPBEEP;
break;
case '{':
dir = BACKWARD;
/* FALLTHROUGH */
case '}':
mtype = MCHAR;
mincl = FALSE;
set_want_col = TRUE;
if (!findpar(dir, Prenum1, NUL))
CLEAROPBEEP;
break;
/*
* 5: Edits
*/
case '.':
CHECKCLEAROPQ;
if (!start_redo(Prenum))
CLEAROPBEEP;
break;
case 'u':
if (Quote.lnum)
goto dooperator;
case K_UNDO:
CHECKCLEAROPQ;
u_undo((int)Prenum1);
set_want_col = TRUE;
break;
case CTRL('R'):
CHECKCLEAROPQ;
u_redo((int)Prenum1);
set_want_col = TRUE;
break;
case 'U':
if (Quote.lnum)
goto dooperator;
CHECKCLEAROPQ;
u_undoline();
set_want_col = TRUE;
break;
case 'r':
if (Quote.lnum)
{
c = 'c';
goto dooperator;
}
CHECKCLEAROPQ;
n = strlen(nr2ptr(Curpos.lnum)) - Curpos.col;
if (n < Prenum1) /* not enough characters to replace */
{
CLEAROPBEEP;
break;
}
prep_redo(Prenum1, 'r', NUL, nchar);
stuffnumReadbuff(Prenum1);
stuffReadbuff("R");
stuffReadbuff(mkstr(nchar));
stuffReadbuff("\033");
break;
case 'J':
if (Quote.lnum) /* join the quoted lines */
{
if (Curpos.lnum > Quote.lnum)
{
Prenum = Curpos.lnum - Quote.lnum + 1;
Curpos.lnum = Quote.lnum;
}
else
Prenum = Quote.lnum - Curpos.lnum + 1;
Quote.lnum = 0;
}
CHECKCLEAROP;
if (Prenum <= 1)
Prenum = 2; /* default for join is two lines! */
if (Curpos.lnum + Prenum - 1 > line_count) /* beyond last line */
{
CLEAROPBEEP;
break;
}
prep_redo(Prenum, 'J', NUL, NUL);
dodojoin(Prenum, TRUE, TRUE);
break;
case 'P':
dir = BACKWARD;
/* FALLTHROUGH */
case 'p':
CHECKCLEAROPQ;
prep_redo(Prenum, c, NUL, NUL);
doput(dir, Prenum1);
break;
case CTRL('A'): /* add to number */
case CTRL('S'): /* subtract from number */
CHECKCLEAROPQ;
{
register int col;
char buf[30];
int hex; /* 'x' or 'X': hexadecimal; '0': octal */
static int hexupper = FALSE; /* 0xABC */
ptr = nr2ptr(Curpos.lnum);
col = Curpos.col;
/* first check if we are on a hexadecimal number */
while (col > 0 && isxdigit(ptr[col]))
--col;
if (col > 0 && toupper(ptr[col]) == 'X' && ptr[col - 1] == '0' && isxdigit(ptr[col + 1]))
--col; /* found hexadecimal number */
else
{
/* first search forward and then backward for start of number */
col = Curpos.col;
while (ptr[col] != NUL && !isdigit(ptr[col]))
++col;
while (col > 0 && isdigit(ptr[col - 1]))
--col;
}
if (isdigit(ptr[col]) && u_saveCurpos())
{
set_want_col = TRUE;
prep_redo(Prenum1, c, NUL, NUL);
if (ptr[col] != '0')
hex = 0; /* decimal */
else
{
hex = toupper(ptr[col + 1]); /* assume hexadecimal */
if (hex != 'X' || !isxdigit(ptr[col + 2]))
{
if (isdigit(hex))
hex = '0'; /* octal */
else
hex = 0; /* 0 by itself is decimal */
}
}
if (!hex && col > 0 && ptr[col - 1] == '-')
--col;
ptr += col;
if (hex == '0')
sscanf(ptr, "%lo", &n);
else if (hex)
sscanf(ptr, "%lx", &n); /* "%X" doesn't work! */
else
n = atol(ptr);
if (c == CTRL('A'))
n += Prenum1;
else
n -= Prenum1;
if (hex == 'X') /* skip the '0x' */
col += 2;
Curpos.col = col;
do /* delete the old number */
{
if (isalpha(c))
{
if (isupper(c))
hexupper = TRUE;
else
hexupper = FALSE;
}
delchar(FALSE);
c = gcharCurpos();
}
while (hex ? (hex == '0' ? c >= '0' && c <= '7' : isxdigit(c)) : isdigit(c));
if (hex == '0')
sprintf(buf, "0%lo", n);
else if (hexupper)
sprintf(buf, "%lX", n);
else if (hex)
sprintf(buf, "%lx", n);
else
sprintf(buf, "%ld", n);
insstr(buf); /* insert the new number */
--Curpos.col;
updateline();
}
else
beep();
}
break;
/*
* 6: Inserts
*/
case 'A':
set_want_col = TRUE;
while (oneright())
;
/* FALLTHROUGH */
case 'a':
CHECKCLEAROPQ;
/* Works just like an 'i'nsert on the next character. */
if (u_saveCurpos())
{
if (!lineempty(Curpos.lnum))
incCurpos();
startinsert(c, FALSE, Prenum1);
command_busy = TRUE;
}
break;
case 'I':
beginline(TRUE);
/* FALLTHROUGH */
case 'i':
CHECKCLEAROPQ;
if (u_saveCurpos())
{
startinsert(c, FALSE, Prenum1);
command_busy = TRUE;
}
break;
case 'o':
if (Quote.lnum) /* switch start and end of quote */
{
Prenum = Quote.lnum;
Quote.lnum = Curpos.lnum;
Curpos.lnum = Prenum;
n = Quote.col;
Quote.col = Curpos.col;
Curpos.col = n;
break;
}
CHECKCLEAROP;
if (u_save(Curpos.lnum, (linenr_t)(Curpos.lnum + 1)) && Opencmd(FORWARD, TRUE))
{
startinsert('o', TRUE, Prenum1);
command_busy = TRUE;
}
break;
case 'O':
CHECKCLEAROPQ;
if (u_save((linenr_t)(Curpos.lnum - 1), Curpos.lnum) && Opencmd(BACKWARD, TRUE))
{
startinsert('O', TRUE, Prenum1);
command_busy = TRUE;
}
break;
case 'R':
if (Quote.lnum)
{
c = 'c';
Quote.col = QUOTELINE;
goto dooperator;
}
CHECKCLEAROPQ;
if (u_saveCurpos())
{
startinsert('R', FALSE, Prenum1);
command_busy = TRUE;
}
break;
/*
* 7: Operators
*/
case '~': /* swap case */
/*
* if tilde is not an operator and Quoting is off: swap case
* of a single character
*/
if (!p_to && !Quote.lnum)
{
CHECKCLEAROPQ;
if (lineempty(Curpos.lnum))
{
CLEAROPBEEP;
break;
}
prep_redo(Prenum, '~', NUL, NUL);
if (!u_saveCurpos())
break;
for (; Prenum1 > 0; --Prenum1)
{
if (gcharCurpos() == NUL)
break;
swapchar(&Curpos);
incCurpos();
}
set_want_col = TRUE;
CHANGED;
updateline();
break;
}
/*FALLTHROUGH*/
case 'd':
case 'c':
case 'y':
case '>':
case '<':
case '!':
case '=':
case 'V':
dooperator:
n = strchr(opchars, c) - opchars + 1;
if (n == operator) /* double operator works on lines */
goto lineop;
CHECKCLEAROP;
if (Prenum != 0)
opnum = Prenum;
startop = Curpos;
operator = n;
break;
/*
* 8: Abbreviations
*/
/* when quoting the next commands are operators */
case 'S':
case 'Y':
case 'D':
case 'C':
case 'x':
case 'X':
case 's':
if (Quote.lnum)
{
static char trans[] = "ScYyDdCcxdXdsc";
if (isupper(c)) /* uppercase means linewise */
Quote.col = QUOTELINE;
c = *(strchr(trans, c) + 1);
goto dooperator;
}
case '&':
CHECKCLEAROPQ;
if (Prenum)
stuffnumReadbuff(Prenum);
if (c == 'S')
{
beginline((int)p_ai);
substituting = TRUE;
}
else if (c == 'Y' && p_ye)
c = 'Z';
{
static char *(ar[9]) = {"dl", "dh", "d$", "c$", "cl", "c$", "yy", "y$", ":s\r"};
static char *str = "xXDCsSYZ&";
stuffReadbuff(ar[strchr(str, c) - str]);
}
break;
/*
* 9: Marks
*/
case 'm':
CHECKCLEAROP;
if (!setmark(nchar))
CLEAROPBEEP;
break;
case '\'':
flag = TRUE;
/* FALLTHROUGH */
case '`':
pos = getmark(nchar, (operator == NOP));
if (pos == (FPOS *)-1) /* jumped to other file */
{
if (flag)
beginline(TRUE);
break;
}
if (pos != NULL)
setpcmark();
cursormark:
if (pos == NULL)
CLEAROPBEEP;
else
{
Curpos = *pos;
if (flag)
beginline(TRUE);
}
mtype = flag ? MLINE : MCHAR;
mincl = FALSE; /* ignored if not MCHAR */
set_want_col = TRUE;
break;
case CTRL('O'): /* goto older pcmark */
Prenum1 = -Prenum1;
/* FALLTHROUGH */
case CTRL('I'): /* goto newer pcmark */
CHECKCLEAROPQ;
pos = movemark((int)Prenum1);
if (pos == (FPOS *)-1) /* jump to other file */
{
set_want_col = TRUE;
break;
}
goto cursormark;
/*
* 10. Buffer setting
*/
case '"':
CHECKCLEAROP;
if (isalnum(nchar) || nchar == '.')
{
yankbuffer = nchar;
opnum = Prenum; /* remember count before '"' */
}
else
CLEAROPBEEP;
break;
/*
* 11. Quoting
*/
case 'q':
case 'Q':
case CTRL('Q'):
CHECKCLEAROP;
Quote_block = FALSE;
if (Quote.lnum) /* stop quoting */
{
Quote.lnum = 0;
updateScreen(NOT_VALID); /* delete the inversion */
}
else /* start quoting */
{
Quote = Curpos;
if (c == 'Q') /* linewise */
Quote.col = QUOTELINE;
else if (c == CTRL('Q')) /* blockwise */
Quote_block = TRUE;
updateline(); /* start the inversion */
}
break;
/*
* 12. Suspend
*/
case CTRL('Z'):
CLEAROP;
Quote.lnum = 0; /* stop quoting */
stuffReadbuff(":st!\r"); /* no autowrite */
break;
/*
* The end
*/
case ESC:
if (Quote.lnum)
{
Quote.lnum = 0; /* stop quoting */
updateScreen(NOT_VALID);
}
default: /* not a known command */
CLEAROPBEEP;
break;
} /* end of switch on command character */
/*
* if we didn't start or finish an operator, reset yankbuffer, unless we
* need it later.
*/
if (!finish_op && !operator && strchr("\"DCYSsXx", c) == NULL)
yankbuffer = 0;
/*
* If an operation is pending, handle it...
*/
if ((Quote.lnum || finish_op) && operator != NOP)
{
if (operator != YANK && !Quote.lnum) /* can't redo yank */
{
prep_redo(Prenum, opchars[operator - 1], c, nchar);
if (c == '/' || c == '?') /* was a search */
{
AppendToRedobuff(searchbuff);
AppendToRedobuff(NL_STR);
}
}
if (redo_Quote_busy)
{
startop = Curpos;
Curpos.lnum += redo_Quote_nlines - 1;
switch (redo_Quote_type)
{
case 'Q': Quote.col = QUOTELINE;
break;
case CTRL('Q'):
Quote_block = TRUE;
break;
case 'q':
if (redo_Quote_nlines <= 1)
Curpos.col += redo_Quote_col;
else
Curpos.col = redo_Quote_col;
break;
}
if (redo_Quote_col == 29999)
{
Curswant = 29999;
coladvance(29999);
}
}
else if (Quote.lnum)
startop = Quote;
if (lt(startop, Curpos))
{
endop = Curpos;
Curpos = startop;
}
else
{
endop = startop;
startop = Curpos;
}
nlines = endop.lnum - startop.lnum + 1;
if (Quote.lnum || redo_Quote_busy)
{
if (Quote_block) /* block mode */
{
startvcol = getvcol(&startop, 2);
n = getvcol(&endop, 2);
if (n < startvcol)
startvcol = n;
/* if '$' was used, get endvcol from longest line */
if (Curswant == 29999)
{
Curpos.col = 29999;
endvcol = 0;
for (Curpos.lnum = startop.lnum; Curpos.lnum <= endop.lnum; ++Curpos.lnum)
if ((n = getvcol(&Curpos, 3)) > endvcol)
endvcol = n;
Curpos = startop;
}
else if (redo_Quote_busy)
endvcol = startvcol + redo_Quote_col;
else
{
endvcol = getvcol(&startop, 3);
n = getvcol(&endop, 3);
if (n > endvcol)
endvcol = n;
}
coladvance(startvcol);
}
/*
* prepare to redo quoting: this is based on the size
* of the quoted text
*/
if (operator != YANK) /* can't redo yank */
{
prep_redo(0L, 'q', opchars[operator - 1], NUL);
if (Quote_block)
redo_Quote_type = CTRL('Q');
else if (Quote.col == QUOTELINE)
redo_Quote_type = 'Q';
else
redo_Quote_type = 'q';
if (Curswant == 29999)
redo_Quote_col = 29999;
else if (Quote_block)
redo_Quote_col = endvcol - startvcol;
else if (nlines > 1)
redo_Quote_col = endop.col;
else
redo_Quote_col = endop.col - startop.col;
redo_Quote_nlines = nlines;
}
mincl = TRUE;
if (Quote.col == QUOTELINE)
mtype = MLINE;
else
mtype = MCHAR;
redo_Quote_busy = FALSE;
/*
* Switch quoting off now, so screen updating does
* not show inverted text when the screen is redrawn.
* With YANK and sometimes with COLON there is no screen redraw, so
* it is done here to remove the inverted part.
*/
Quote.lnum = 0;
if (operator == YANK || operator == COLON)
updateScreen(NOT_VALID);
}
set_want_col = 1;
if (!mincl && !equal(startop, endop))
oneless = 1;
else
oneless = 0;
switch (operator)
{
case LSHIFT:
case RSHIFT:
adjust_lnum();
doshift(operator);
break;
case DELETE:
dodelete();
break;
case YANK:
doyank(FALSE);
break;
case CHANGE:
dochange();
break;
case FILTER:
AppendToRedobuff("!\n"); /* strange but necessary */
case INDENT:
case COLON:
adjust_lnum();
sprintf(IObuff, ":%ld,%ld", (long)startop.lnum, (long)endop.lnum);
stuffReadbuff(IObuff);
if (operator != COLON)
stuffReadbuff("!");
if (operator == INDENT)
{
stuffReadbuff(p_ep);
stuffReadbuff("\n");
}
/* docmdline() does the rest */
break;
case TILDE:
case UPPER:
case LOWER:
dotilde();
break;
case FORMAT:
adjust_lnum();
doformat();
break;
default:
CLEAROPBEEP;
}
operator = NOP;
Quote_block = FALSE;
yankbuffer = 0;
}
normal_end:
premsg(-1, NUL);
if (restart_edit && operator == NOP && Quote.lnum == 0 && !command_busy && stuff_empty() && yankbuffer == 0)
startinsert(NUL, FALSE, 1L);
}
void
normal()
{
register int c;
long n;
int flag = FALSE;
int flag2 = FALSE;
int type = 0; /* type of operation */
int dir = FORWARD; /* search direction */
int nchar = NUL;
int finish_op;
linenr_t Prenum1;
char_u searchbuff[CMDBUFFSIZE];/* buffer for search string */
FPOS *pos = NULL; /* init for gcc */
register char_u *ptr;
int command_busy = FALSE;
static int didwarn = FALSE; /* warned for broken inversion */
int modified = FALSE; /* changed current buffer */
int ctrl_w = FALSE; /* got CTRL-W command */
/* the visual area is remembered for reselection */
static linenr_t resel_Visual_nlines; /* number of lines */
static int resel_Visual_type = 0; /* type 'v', 'V' or CTRL-V */
static colnr_t resel_Visual_col; /* number of columns or end column */
/* the visual area is remembered for redo */
static linenr_t redo_Visual_nlines; /* number of lines */
static int redo_Visual_type = 0; /* type 'v', 'V' or CTRL-V */
static colnr_t redo_Visual_col; /* number of columns or end column */
static long redo_Visual_Prenum; /* Prenum for operator */
Prenum = 0;
/*
* If there is an operator pending, then the command we take this time
* will terminate it. Finish_op tells us to finish the operation before
* returning this time (unless the operation was cancelled).
*/
finish_op = (operator != NOP);
if (!finish_op && !yankbuffer)
opnum = 0;
if (p_sc && (vpeekc() == NUL || KeyTyped == TRUE))
premsg(NUL, NUL);
State = NORMAL_BUSY;
c = vgetc();
getcount:
/* Pick up any leading digits and compute 'Prenum' */
while ((c >= '1' && c <= '9') || (Prenum != 0 && (c == DEL || c == '0')))
{
if (c == DEL)
Prenum /= 10;
else
Prenum = Prenum * 10 + (c - '0');
if (Prenum < 0) /* got too large! */
Prenum = 999999999;
premsg(ctrl_w ? Ctrl('W') : ' ', NUL);
c = vgetc();
}
/*
* If we got CTRL-W there may be a/another count
*/
if (c == Ctrl('W') && !ctrl_w)
{
ctrl_w = TRUE;
opnum = Prenum; /* remember first count */
Prenum = 0;
State = ONLYKEY; /* no mapping for nchar, but keys */
premsg(c, NUL);
c = vgetc(); /* get next character */
goto getcount; /* jump back */
}
/*
* If we're in the middle of an operator (including after entering a yank
* buffer with ") AND we had a count before the
* operator, then that count overrides the current value of Prenum. What
* this means effectively, is that commands like "3dw" get turned into
* "d3w" which makes things fall into place pretty neatly.
* If you give a count before AND after the operator, they are multiplied.
*/
if (opnum != 0)
{
if (Prenum)
Prenum *= opnum;
else
Prenum = opnum;
opnum = 0;
}
Prenum1 = (Prenum == 0 ? 1 : Prenum); /* Prenum often defaults to 1 */
premsg(c, NUL);
/*
* get an additional character if we need one
* for CTRL-W we already got it when looking for a count
*/
if (ctrl_w)
{
nchar = c;
c = Ctrl('W');
premsg(c, nchar);
}
else if (strchr("@zZtTfF[]mg'`\"", c) || (c == 'q' && !Recording && !Exec_reg) ||
(c == 'r' && !VIsual.lnum))
{
State = NOMAPPING;
nchar = vgetc(); /* no macro mapping for this char */
premsg(c, nchar);
}
if (p_sc)
flushbuf(); /* flush the premsg() characters onto the screen so we can
see them while the command is being executed */
/*
* For commands that don't get another character we can put the State back to
* NORMAL and check for a window size change.
*/
if (STRCHR("z:/?", c) == NULL)
State = NORMAL;
if (nchar == ESC)
{
CLEAROP;
goto normal_end;
}
switch (c)
{
/*
* 0: Macros
*/
case 'q': /* (stop) recording into a named register */
CHECKCLEAROP;
/* command is ignored while executing a register */
if (!Exec_reg && dorecord(nchar) == FAIL)
CLEAROPBEEP;
break;
case '@': /* execute a named buffer */
CHECKCLEAROP;
while (Prenum1--)
{
if (doexecbuf(nchar) == FAIL)
{
CLEAROPBEEP;
break;
}
}
break;
/*
* 1: Screen positioning commands
*/
case Ctrl('D'):
flag = TRUE;
case Ctrl('U'):
CHECKCLEAROP;
if (Prenum)
curwin->w_p_scroll = (Prenum > curwin->w_height) ? curwin->w_height : Prenum;
n = (curwin->w_p_scroll <= curwin->w_height) ? curwin->w_p_scroll : curwin->w_height;
if (flag)
{
curwin->w_topline += n;
if (curwin->w_topline > curbuf->b_ml.ml_line_count)
curwin->w_topline = curbuf->b_ml.ml_line_count;
comp_Botline(curwin); /* compute curwin->w_botline */
(void)onedown(n);
}
else
{
if (n >= curwin->w_cursor.lnum)
n = curwin->w_cursor.lnum - 1;
Prenum1 = curwin->w_cursor.lnum - n;
scrolldown(n);
if (Prenum1 < curwin->w_cursor.lnum)
curwin->w_cursor.lnum = Prenum1;
}
beginline(TRUE);
updateScreen(VALID);
break;
case Ctrl('B'):
case K_SUARROW:
dir = BACKWARD;
case Ctrl('F'):
case K_SDARROW:
CHECKCLEAROP;
(void)onepage(dir, Prenum1);
break;
case Ctrl('E'):
CHECKCLEAROP;
scrollup(Prenum1);
/* We may have moved to another line -- webb */
coladvance(curwin->w_curswant);
updateScreen(VALID);
break;
case Ctrl('Y'):
CHECKCLEAROP;
scrolldown(Prenum1);
/* We may have moved to another line -- webb */
coladvance(curwin->w_curswant);
updateScreen(VALID);
break;
case 'z':
CHECKCLEAROP;
if (isdigit(nchar))
{
/*
* we misuse some variables to be able to call premsg()
*/
operator = c;
opnum = Prenum;
Prenum = nchar - '0';
for (;;)
{
premsg(' ', NUL);
nchar = vgetc();
State = NORMAL;
if (nchar == DEL)
Prenum /= 10;
else if (isdigit(nchar))
Prenum = Prenum * 10 + (nchar - '0');
else if (nchar == CR)
{
win_setheight((int)Prenum);
break;
}
else
{
CLEAROPBEEP;
break;
}
}
operator = NOP;
break;
}
if (Prenum && Prenum != curwin->w_cursor.lnum) /* line number given */
{
setpcmark();
if (Prenum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
else
curwin->w_cursor.lnum = Prenum;
}
State = NORMAL; /* for updateScreen() */
switch (nchar)
{
case NL: /* put curwin->w_cursor at top of screen */
case CR:
beginline(TRUE);
case 't':
curwin->w_topline = curwin->w_cursor.lnum;
break;
case '.': /* put curwin->w_cursor in middle of screen */
case 'z':
n = (curwin->w_height + plines(curwin->w_cursor.lnum)) / 2;
goto dozcmd;
case '-': /* put curwin->w_cursor at bottom of screen */
case 'b':
n = curwin->w_height;
/* FALLTHROUGH */
dozcmd:
{
register linenr_t lp = curwin->w_cursor.lnum;
register long l = plines(lp);
do
{
curwin->w_topline = lp;
if (--lp == 0)
break;
l += plines(lp);
} while (l <= n);
}
if (nchar != 'z' && nchar != 'b')
beginline(TRUE);
break;
case Ctrl('S'): /* ignore CTRL-S and CTRL-Q to avoid problems */
case Ctrl('Q'): /* with terminals that use xon/xoff */
break;
default:
CLEAROPBEEP;
}
updateScreen(VALID);
break;
/*
* 2: Control commands
*/
case ':':
if (VIsual.lnum)
goto dooperator;
CHECKCLEAROP;
/*
* translate "count:" into ":.,.+(count - 1)"
*/
if (Prenum)
{
stuffReadbuff((char_u *)".");
if (Prenum > 1)
{
stuffReadbuff((char_u *)",.+");
stuffnumReadbuff((long)Prenum - 1L);
}
}
docmdline(NULL);
modified = TRUE;
break;
case K_HELP:
CHECKCLEAROP;
help();
break;
case Ctrl('L'):
CHECKCLEAROP;
updateScreen(CLEAR);
break;
case Ctrl('G'):
CHECKCLEAROP;
fileinfo(did_cd || Prenum); /* print full name if count given or :cd used */
break;
case K_CCIRCM: /* CTRL-^, short for ":e #" */
CHECKCLEAROPQ;
(void)buflist_getfile((int)Prenum, (linenr_t)0, TRUE);
break;
case 'Z': /* write, if changed, and exit */
CHECKCLEAROPQ;
if (nchar != 'Z')
{
CLEAROPBEEP;
break;
}
stuffReadbuff((char_u *)":x\n");
break;
case Ctrl(']'): /* :ta to current identifier */
CHECKCLEAROPQ;
case '*': /* / to current identifier or string */
case '#': /* ? to current identifier or string */
case 'K': /* run program for current identifier */
{
register int col;
register int i;
/*
* if i == 0: try to find an identifier
* if i == 1: try to find any string
*/
ptr = ml_get(curwin->w_cursor.lnum);
for (i = 0; i < 2; ++i)
{
/*
* skip to start of identifier/string
*/
col = curwin->w_cursor.col;
while (ptr[col] != NUL &&
(i == 0 ? !isidchar(ptr[col]) : iswhite(ptr[col])))
++col;
/*
* Back up to start of identifier/string. This doesn't match the
* real vi but I like it a little better and it shouldn't bother
* anyone.
*/
while (col > 0 && (i == 0 ? isidchar(ptr[col - 1]) :
(!iswhite(ptr[col - 1]) && !isidchar(ptr[col - 1]))))
--col;
/*
* if identifier found or not '*' or '#' command, stop searching
*/
if (isidchar(ptr[col]) || (c != '*' && c != '#'))
break;
}
/*
* did't find an identifier of string
*/
if (ptr[col] == NUL || (!isidchar(ptr[col]) && i == 0))
{
CLEAROPBEEP;
break;
}
if (Prenum)
stuffnumReadbuff(Prenum);
switch (c)
{
case '*':
stuffReadbuff((char_u *)"/");
goto sow;
case '#':
stuffReadbuff((char_u *)"?");
sow: if (i == 0)
stuffReadbuff((char_u *)"\\<");
break;
case 'K':
stuffReadbuff((char_u *)":! ");
stuffReadbuff(p_kp);
stuffReadbuff((char_u *)" ");
break;
default:
stuffReadbuff((char_u *)":ta ");
}
/*
* Now grab the chars in the identifier
*/
while (i == 0 ? isidchar(ptr[col]) :
(ptr[col] != NUL && !iswhite(ptr[col])))
{
stuffcharReadbuff(ptr[col]);
++col;
}
if ((c == '*' || c == '#') && i == 0)
stuffReadbuff((char_u *)"\\>");
stuffReadbuff((char_u *)"\n");
}
break;
case Ctrl('T'): /* backwards in tag stack */
CHECKCLEAROPQ;
dotag((char_u *)"", 2, (int)Prenum1);
break;
/*
* Cursor motions
*/
case 'G':
mtype = MLINE;
setpcmark();
if (Prenum == 0 || Prenum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
else
curwin->w_cursor.lnum = Prenum;
beginline(TRUE);
break;
case 'H':
case 'M':
if (c == 'M')
n = (curwin->w_height - curwin->w_empty_rows) / 2;
else
n = Prenum;
mtype = MLINE;
setpcmark();
curwin->w_cursor.lnum = curwin->w_topline;
while (n && onedown((long)1) == OK)
--n;
beginline(TRUE);
break;
case 'L':
mtype = MLINE;
setpcmark();
curwin->w_cursor.lnum = curwin->w_botline - 1;
for (n = Prenum; n && oneup((long)1) == OK; n--)
;
beginline(TRUE);
break;
case 'l':
case K_RARROW:
case ' ':
mtype = MCHAR;
mincl = FALSE;
n = Prenum1;
while (n--)
{
if (oneright() == FAIL)
{
/* space wraps to next line if 'whichwrap' bit 1 set */
/* 'l' wraps to next line if 'whichwrap' bit 2 set */
/* CURS_RIGHT wraps to next line if 'whichwrap' bit 3 set */
if (((c == ' ' && (p_ww & 2)) ||
(c == 'l' && (p_ww & 4)) ||
(c == K_RARROW && (p_ww & 8))) &&
curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
{
++curwin->w_cursor.lnum;
curwin->w_cursor.col = 0;
curwin->w_set_curswant = TRUE;
continue;
}
if (operator == NOP)
beep();
else
{
if (lineempty(curwin->w_cursor.lnum))
CLEAROPBEEP;
else
{
mincl = TRUE;
if (n)
beep();
}
}
break;
}
}
break;
case Ctrl('H'):
case 'h':
case K_LARROW:
case DEL:
mtype = MCHAR;
mincl = FALSE;
n = Prenum1;
while (n--)
{
if (oneleft() == FAIL)
{
/* backspace and del wrap to previous line if 'whichwrap'
* bit 0 set */
/* 'h' wraps to previous line if 'whichwrap' bit 2 set */
/* CURS_LEFT wraps to previous line if 'whichwrap' bit 3 set */
if ((((c == Ctrl('H') || c == DEL) && (p_ww & 1)) ||
(c == 'h' && (p_ww & 4)) ||
(c == K_LARROW && (p_ww & 8))) &&
curwin->w_cursor.lnum > 1)
{
--(curwin->w_cursor.lnum);
coladvance(MAXCOL);
curwin->w_set_curswant = TRUE;
continue;
}
else if (operator != DELETE && operator != CHANGE)
beep();
else if (Prenum1 == 1)
CLEAROPBEEP;
break;
}
}
break;
case '-':
flag = TRUE;
/* FALLTHROUGH */
case 'k':
case K_UARROW:
case Ctrl('P'):
mtype = MLINE;
if (oneup(Prenum1) == FAIL)
CLEAROPBEEP;
else if (flag)
beginline(TRUE);
break;
case '+':
case CR:
flag = TRUE;
/* FALLTHROUGH */
case 'j':
case K_DARROW:
case Ctrl('N'):
case NL:
mtype = MLINE;
if (onedown(Prenum1) == FAIL)
CLEAROPBEEP;
else if (flag)
beginline(TRUE);
break;
/*
* This is a strange motion command that helps make operators more
* logical. It is actually implemented, but not documented in the
* real 'vi'. This motion command actually refers to "the current
* line". Commands like "dd" and "yy" are really an alternate form of
* "d_" and "y_". It does accept a count, so "d3_" works to delete 3
* lines.
*/
case '_':
lineop:
mtype = MLINE;
if (onedown((long)(Prenum1 - 1)) == FAIL)
CLEAROPBEEP;
if (operator != YANK) /* 'Y' does not move cursor */
beginline(TRUE);
break;
case '|':
mtype = MCHAR;
mincl = TRUE;
beginline(FALSE);
if (Prenum > 0)
coladvance((colnr_t)(Prenum - 1));
curwin->w_curswant = (colnr_t)(Prenum - 1);
/* keep curswant at the column where we wanted to go, not where
we ended; differs is line is too short */
curwin->w_set_curswant = FALSE;
break;
/*
* Word Motions
*/
case 'B':
type = 1;
/* FALLTHROUGH */
case 'b':
case K_SLARROW:
mtype = MCHAR;
mincl = FALSE;
curwin->w_set_curswant = TRUE;
if (bck_word(Prenum1, type))
CLEAROPBEEP;
break;
case 'E':
type = 1;
/* FALLTHROUGH */
case 'e':
mincl = TRUE;
goto dowrdcmd;
case 'W':
type = 1;
/* FALLTHROUGH */
case 'w':
case K_SRARROW:
mincl = FALSE;
flag = TRUE;
/*
* This is a little strange. To match what the real vi does, we
* effectively map 'cw' to 'ce', and 'cW' to 'cE', provided that we are
* not on a space or a TAB. This seems
* impolite at first, but it's really more what we mean when we say
* 'cw'.
* Another strangeness: When standing on the end of a word "ce" will
* change until the end of the next wordt, but "cw" will change only
* one character! This is done by setting type to 2.
*/
if (operator == CHANGE && (n = gchar_cursor()) != ' ' && n != TAB &&
n != NUL)
{
mincl = TRUE;
flag = FALSE;
flag2 = TRUE;
}
dowrdcmd:
mtype = MCHAR;
curwin->w_set_curswant = TRUE;
if (flag)
n = fwd_word(Prenum1, type, operator != NOP);
else
n = end_word(Prenum1, type, flag2);
if (n)
{
CLEAROPBEEP;
break;
}
#if 0
/*
* If we do a 'dw' for the last word in a line, we only delete the rest
* of the line, not joining the two lines, unless the current line is empty.
*/
if (operator == DELETE && Prenum1 == 1 &&
curbuf->b_startop.lnum != curwin->w_cursor.lnum && !lineempty(startop.lnum))
{
curwin->w_cursor = curbuf->b_startop;
while (oneright() == OK)
;
mincl = TRUE;
}
#endif
break;
case '$':
mtype = MCHAR;
mincl = TRUE;
curwin->w_curswant = MAXCOL; /* so we stay at the end */
if (onedown((long)(Prenum1 - 1)) == FAIL)
{
CLEAROPBEEP;
break;
}
break;
case '^':
flag = TRUE;
/* FALLTHROUGH */
case '0':
mtype = MCHAR;
mincl = FALSE;
beginline(flag);
break;
/*
* 4: Searches
*/
case '?':
case '/':
if (!getcmdline(c, searchbuff))
{
CLEAROP;
break;
}
mtype = MCHAR;
mincl = FALSE;
curwin->w_set_curswant = TRUE;
n = dosearch(c, searchbuff, FALSE, Prenum1, TRUE, TRUE);
if (n == 0)
CLEAROP;
else if (n == 2)
mtype = MLINE;
break;
case 'N':
flag = 1;
case 'n':
mtype = MCHAR;
mincl = FALSE;
curwin->w_set_curswant = TRUE;
if (!dosearch(0, NULL, flag, Prenum1, TRUE, TRUE))
CLEAROP;
break;
/*
* Character searches
*/
case 'T':
dir = BACKWARD;
/* FALLTHROUGH */
case 't':
type = 1;
goto docsearch;
case 'F':
dir = BACKWARD;
/* FALLTHROUGH */
case 'f':
docsearch:
mtype = MCHAR;
if (dir == BACKWARD)
mincl = FALSE;
else
mincl = TRUE;
curwin->w_set_curswant = TRUE;
if (!searchc(nchar, dir, type, Prenum1))
CLEAROPBEEP;
break;
case ',':
flag = 1;
/* FALLTHROUGH */
case ';':
dir = flag;
goto docsearch; /* nchar == NUL, thus repeat previous search */
/*
* section or C function searches
*/
case '[':
dir = BACKWARD;
/* FALLTHROUGH */
case ']':
mtype = MCHAR;
mincl = FALSE;
/*
* "[f" or "]f" : Edit file under the cursor (same as "gf")
*/
if ((c == ']' || c == '[') && nchar == 'f')
goto gotofile;
/*
* "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
*/
if ((c == '[' && (nchar == '{' || nchar == '(')) ||
((c == ']' && (nchar == '}' || nchar == ')'))))
{
FPOS old_pos;
old_pos = curwin->w_cursor;
while (Prenum1--)
{
if ((pos = showmatch(nchar)) == NULL)
{
CLEAROPBEEP;
break;
}
curwin->w_cursor = *pos;
}
curwin->w_cursor = old_pos;
if (pos != NULL)
{
setpcmark();
curwin->w_cursor = *pos;
curwin->w_set_curswant = TRUE;
}
break;
}
/*
* "[[", "[]", "]]" and "][": move to start or end of function
*/
if (nchar == '[' || nchar == ']')
{
if (nchar == c) /* "]]" or "[[" */
flag = '{';
else
flag = '}'; /* "][" or "[]" */
curwin->w_set_curswant = TRUE;
/*
* Imitate strange vi behaviour: When using "]]" with an operator we
* also stop at '}'.
*/
if (!findpar(dir, Prenum1, flag,
(operator != NOP && dir == FORWARD && flag == '{')))
CLEAROPBEEP;
break;
}
/*
* "[p" and "]p": put with indent adjustment
*/
if (nchar == 'p')
{
doput((c == ']') ? FORWARD : BACKWARD, Prenum1, TRUE);
modified = TRUE;
break;
}
/*
* end of '[' and ']': not a valid nchar
*/
CLEAROPBEEP;
break;
case '%':
mincl = TRUE;
if (Prenum) /* {cnt}% : goto {cnt} percentage in file */
{
if (Prenum > 100)
CLEAROPBEEP;
else
{
mtype = MLINE;
setpcmark();
/* round up, so CTRL-G will give same value */
curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count * Prenum + 99) / 100;
beginline(TRUE);
}
}
else /* % : go to matching paren */
{
mtype = MCHAR;
if ((pos = showmatch(NUL)) == NULL)
CLEAROPBEEP;
else
{
setpcmark();
curwin->w_cursor = *pos;
curwin->w_set_curswant = TRUE;
}
}
break;
case '(':
dir = BACKWARD;
/* FALLTHROUGH */
case ')':
mtype = MCHAR;
if (c == ')')
mincl = FALSE;
else
mincl = TRUE;
curwin->w_set_curswant = TRUE;
if (!findsent(dir, Prenum1))
CLEAROPBEEP;
break;
case '{':
dir = BACKWARD;
/* FALLTHROUGH */
case '}':
mtype = MCHAR;
mincl = FALSE;
curwin->w_set_curswant = TRUE;
if (!findpar(dir, Prenum1, NUL, FALSE))
CLEAROPBEEP;
break;
/*
* 5: Edits
*/
case '.':
CHECKCLEAROPQ;
if (start_redo(Prenum) == FAIL)
CLEAROPBEEP;
modified = TRUE;
break;
case 'u':
if (VIsual.lnum)
goto dooperator;
case K_UNDO:
CHECKCLEAROPQ;
u_undo((int)Prenum1);
curwin->w_set_curswant = TRUE;
modified = TRUE;
break;
case Ctrl('R'):
CHECKCLEAROPQ;
u_redo((int)Prenum1);
curwin->w_set_curswant = TRUE;
modified = TRUE;
break;
case 'U':
if (VIsual.lnum)
goto dooperator;
CHECKCLEAROPQ;
u_undoline();
curwin->w_set_curswant = TRUE;
modified = TRUE;
break;
case 'r':
if (VIsual.lnum)
{
c = 'c';
goto dooperator;
}
CHECKCLEAROPQ;
ptr = ml_get_cursor();
if (STRLEN(ptr) < (unsigned)Prenum1) /* not enough characters to replace */
{
CLEAROPBEEP;
break;
}
/*
* Replacing with a line break or tab is done by edit(), because it
* is complicated.
* Other characters are done below to avoid problems with things like
* CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
*/
if (nchar == '\r' || nchar == '\n' || nchar == '\t')
{
prep_redo(Prenum1, 'r', nchar, NUL);
stuffnumReadbuff(Prenum1);
stuffcharReadbuff('R');
stuffcharReadbuff(nchar);
stuffcharReadbuff(ESC);
break;
}
if (nchar == Ctrl('V')) /* get another character */
{
c = Ctrl('V');
nchar = get_literal(&type);
if (type) /* typeahead */
stuffcharReadbuff(type);
}
else
c = NUL;
prep_redo(Prenum1, 'r', c, nchar);
if (!u_save_cursor()) /* save line for undo */
break;
/*
* Get ptr again, because u_save will have released the line.
* At the same time we let know that the line will be changed.
*/
ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE) + curwin->w_cursor.col;
curwin->w_cursor.col += Prenum1 - 1;
while (Prenum1--) /* replace the characters */
*ptr++ = nchar;
curwin->w_set_curswant = TRUE;
CHANGED;
updateline();
modified = TRUE;
break;
case 'J':
if (VIsual.lnum) /* join the visual lines */
{
if (curwin->w_cursor.lnum > VIsual.lnum)
{
Prenum = curwin->w_cursor.lnum - VIsual.lnum + 1;
curwin->w_cursor.lnum = VIsual.lnum;
}
else
Prenum = VIsual.lnum - curwin->w_cursor.lnum + 1;
VIsual.lnum = 0;
}
CHECKCLEAROP;
if (Prenum <= 1)
Prenum = 2; /* default for join is two lines! */
if (curwin->w_cursor.lnum + Prenum - 1 > curbuf->b_ml.ml_line_count) /* beyond last line */
{
CLEAROPBEEP;
break;
}
prep_redo(Prenum, 'J', NUL, NUL);
dodojoin(Prenum, TRUE, TRUE);
modified = TRUE;
break;
case 'P':
dir = BACKWARD;
/* FALLTHROUGH */
case 'p':
CHECKCLEAROPQ;
prep_redo(Prenum, c, NUL, NUL);
doput(dir, Prenum1, FALSE);
modified = TRUE;
break;
case Ctrl('A'): /* add to number */
case Ctrl('X'): /* subtract from number */
CHECKCLEAROPQ;
if (doaddsub((int)c, Prenum1) == OK)
prep_redo(Prenum1, c, NUL, NUL);
modified = TRUE;
break;
/*
* 6: Inserts
*/
case 'A':
curwin->w_set_curswant = TRUE;
while (oneright() == OK)
;
/* FALLTHROUGH */
case 'a':
CHECKCLEAROPQ;
/* Works just like an 'i'nsert on the next character. */
if (u_save_cursor())
{
if (!lineempty(curwin->w_cursor.lnum))
inc_cursor();
startinsert(c, FALSE, Prenum1);
modified = TRUE;
command_busy = TRUE;
}
break;
case 'I':
beginline(TRUE);
/* FALLTHROUGH */
case 'i':
CHECKCLEAROPQ;
if (u_save_cursor())
{
startinsert(c, FALSE, Prenum1);
modified = TRUE;
command_busy = TRUE;
}
break;
case 'o':
if (VIsual.lnum) /* switch start and end of visual */
{
Prenum = VIsual.lnum;
VIsual.lnum = curwin->w_cursor.lnum;
curwin->w_cursor.lnum = Prenum;
if (VIsual.col != VISUALLINE)
{
n = VIsual.col;
VIsual.col = curwin->w_cursor.col;
curwin->w_cursor.col = (int)n;
curwin->w_set_curswant = TRUE;
}
break;
}
CHECKCLEAROP;
if (u_save(curwin->w_cursor.lnum, (linenr_t)(curwin->w_cursor.lnum + 1)) &&
Opencmd(FORWARD, TRUE, TRUE))
{
startinsert('o', TRUE, Prenum1);
modified = TRUE;
command_busy = TRUE;
}
break;
case 'O':
CHECKCLEAROPQ;
if (u_save((linenr_t)(curwin->w_cursor.lnum - 1), curwin->w_cursor.lnum) && Opencmd(BACKWARD, TRUE, TRUE))
{
startinsert('O', TRUE, Prenum1);
modified = TRUE;
command_busy = TRUE;
}
break;
case 'R':
if (VIsual.lnum)
{
c = 'c';
VIsual.col = VISUALLINE;
goto dooperator;
}
CHECKCLEAROPQ;
if (u_save_cursor())
{
startinsert('R', FALSE, Prenum1);
modified = TRUE;
command_busy = TRUE;
}
break;
/*
* 7: Operators
*/
case '~': /* swap case */
/*
* if tilde is not an operator and Visual is off: swap case
* of a single character
*/
if (!p_to && !VIsual.lnum)
{
CHECKCLEAROPQ;
if (lineempty(curwin->w_cursor.lnum))
{
CLEAROPBEEP;
break;
}
prep_redo(Prenum, '~', NUL, NUL);
if (!u_save_cursor())
break;
for (; Prenum1 > 0; --Prenum1)
{
if (gchar_cursor() == NUL)
break;
swapchar(&curwin->w_cursor);
inc_cursor();
}
curwin->w_set_curswant = TRUE;
CHANGED;
updateline();
modified = TRUE;
break;
}
/*FALLTHROUGH*/
case 'd':
case 'c':
case 'y':
case '>':
case '<':
case '!':
case '=':
case 'Q':
dooperator:
n = STRCHR(opchars, c) - opchars + 1;
if (n == operator) /* double operator works on lines */
goto lineop;
CHECKCLEAROP;
if (Prenum != 0)
opnum = Prenum;
curbuf->b_startop = curwin->w_cursor;
operator = (int)n;
break;
/*
* 8: Abbreviations
*/
/* when Visual the next commands are operators */
case 'S':
case 'Y':
case 'D':
case 'C':
case 'x':
case 'X':
case 's':
if (VIsual.lnum)
{
static char_u trans[] = "ScYyDdCcxdXdsc";
if (isupper(c) && !Visual_block) /* uppercase means linewise */
VIsual.col = VISUALLINE;
c = *(STRCHR(trans, c) + 1);
goto dooperator;
}
case '&':
CHECKCLEAROPQ;
if (Prenum)
stuffnumReadbuff(Prenum);
if (c == 'Y' && p_ye)
c = 'Z';
{
static char_u *(ar[9]) = {(char_u *)"dl", (char_u *)"dh", (char_u *)"d$", (char_u *)"c$", (char_u *)"cl", (char_u *)"cc", (char_u *)"yy", (char_u *)"y$", (char_u *)":s\r"};
static char_u *str = (char_u *)"xXDCsSYZ&";
stuffReadbuff(ar[(int)(STRCHR(str, c) - str)]);
}
break;
/*
* 9: Marks
*/
case 'm':
CHECKCLEAROP;
if (setmark(nchar) == FAIL)
CLEAROPBEEP;
break;
case '\'':
flag = TRUE;
/* FALLTHROUGH */
case '`':
pos = getmark(nchar, (operator == NOP));
if (pos == (FPOS *)-1) /* jumped to other file */
{
if (flag)
beginline(TRUE);
break;
}
if (pos != NULL)
setpcmark();
cursormark:
if (pos == NULL || pos->lnum == 0)
CLEAROPBEEP;
else
{
curwin->w_cursor = *pos;
if (flag)
beginline(TRUE);
}
mtype = flag ? MLINE : MCHAR;
mincl = FALSE; /* ignored if not MCHAR */
curwin->w_set_curswant = TRUE;
break;
case Ctrl('O'): /* goto older pcmark */
Prenum1 = -Prenum1;
/* FALLTHROUGH */
case Ctrl('I'): /* goto newer pcmark */
CHECKCLEAROPQ;
pos = movemark((int)Prenum1);
if (pos == (FPOS *)-1) /* jump to other file */
{
curwin->w_set_curswant = TRUE;
break;
}
goto cursormark;
/*
* 10. Buffer setting
*/
case '"':
CHECKCLEAROP;
if (nchar != NUL && is_yank_buffer(nchar, FALSE))
{
yankbuffer = nchar;
opnum = Prenum; /* remember count before '"' */
}
else
CLEAROPBEEP;
break;
/*
* 11. Visual
*/
case 'v':
case 'V':
case Ctrl('V'):
CHECKCLEAROP;
Visual_block = FALSE;
/* stop Visual */
if (VIsual.lnum)
{
VIsual.lnum = 0;
updateScreen(NOT_VALID); /* delete the inversion */
}
/* start Visual */
else
{
if (!didwarn && set_highlight('v') == FAIL)/* cannot highlight */
{
EMSG("Warning: terminal cannot highlight");
didwarn = TRUE;
}
if (Prenum) /* use previously selected part */
{
if (!resel_Visual_type) /* there is none */
{
beep();
break;
}
VIsual = curwin->w_cursor;
if (resel_Visual_nlines > 1)
curwin->w_cursor.lnum += resel_Visual_nlines * Prenum - 1;
switch (resel_Visual_type)
{
case 'V': VIsual.col = VISUALLINE;
break;
case Ctrl('V'):
Visual_block = TRUE;
break;
case 'v':
if (resel_Visual_nlines <= 1)
curwin->w_cursor.col += resel_Visual_col * Prenum - 1;
else
curwin->w_cursor.col = resel_Visual_col;
break;
}
if (resel_Visual_col == MAXCOL)
{
curwin->w_curswant = MAXCOL;
coladvance(MAXCOL);
}
else if (Visual_block)
coladvance((colnr_t)(curwin->w_virtcol + resel_Visual_col * Prenum - 1));
curs_columns(TRUE); /* recompute w_virtcol */
updateScreen(NOT_VALID); /* show the inversion */
}
else
{
VIsual = curwin->w_cursor;
if (c == 'V') /* linewise */
VIsual.col = VISUALLINE;
else if (c == Ctrl('V')) /* blockwise */
Visual_block = TRUE;
updateline(); /* start the inversion */
}
}
break;
/*
* 12. Suspend
*/
case Ctrl('Z'):
CLEAROP;
VIsual.lnum = 0; /* stop Visual */
stuffReadbuff((char_u *)":st\r"); /* with autowrite */
break;
/*
* 13. Window commands
*/
case Ctrl('W'):
CHECKCLEAROP;
do_window(nchar, Prenum); /* everything is in window.c */
break;
/*
* 14. extended commands (starting with 'g')
*/
case 'g':
switch (nchar)
{
/*
* "gf": goto file, edit file under cursor
* "]f" and "[f": can also be used.
*/
case 'f':
gotofile:
ptr = file_name_at_cursor();
/* do autowrite if necessary */
if (curbuf->b_changed && curbuf->b_nwindows <= 1 && !p_hid)
autowrite(curbuf);
if (ptr != NULL)
{
setpcmark();
stuffReadbuff((char_u *) ":e ");
stuffReadbuff(ptr);
stuffReadbuff((char_u *) "\n");
free(ptr);
}
else
CLEAROPBEEP;
break;
/*
* "gs": goto sleep
*/
case 's': while (Prenum1-- && !got_int)
{
sleep(1);
breakcheck();
}
break;
default: CLEAROPBEEP;
break;
}
break;
/*
* The end
*/
case ESC:
if (VIsual.lnum)
{
VIsual.lnum = 0; /* stop Visual */
updateScreen(NOT_VALID);
CLEAROP; /* don't beep */
break;
}
/* Don't drop through and beep if we are canceling a command: */
else if (operator != NOP || opnum || Prenum || yankbuffer)
{
CLEAROP; /* don't beep */
break;
}
/* FALLTHROUGH */
default: /* not a known command */
CLEAROPBEEP;
break;
} /* end of switch on command character */
/*
* if we didn't start or finish an operator, reset yankbuffer, unless we
* need it later.
*/
if (!finish_op && !operator && strchr("\"DCYSsXx.", c) == NULL)
yankbuffer = 0;
/*
* If an operation is pending, handle it...
*/
if ((VIsual.lnum || finish_op) && operator != NOP)
{
if (operator != YANK && !VIsual.lnum) /* can't redo yank */
{
prep_redo(Prenum, opchars[operator - 1], c, nchar);
if (c == '/' || c == '?') /* was a search */
{
AppendToRedobuff(searchbuff);
AppendToRedobuff(NL_STR);
}
}
if (redo_Visual_busy)
{
curbuf->b_startop = curwin->w_cursor;
curwin->w_cursor.lnum += redo_Visual_nlines - 1;
switch (redo_Visual_type)
{
case 'V': VIsual.col = VISUALLINE;
break;
case Ctrl('V'):
Visual_block = TRUE;
break;
case 'v':
if (redo_Visual_nlines <= 1)
curwin->w_cursor.col += redo_Visual_col - 1;
else
curwin->w_cursor.col = redo_Visual_col;
break;
}
if (redo_Visual_col == MAXCOL)
{
curwin->w_curswant = MAXCOL;
coladvance(MAXCOL);
}
Prenum = redo_Visual_Prenum;
if (Prenum == 0)
Prenum1 = 1L;
else
Prenum1 = Prenum;
}
else if (VIsual.lnum)
curbuf->b_startop = VIsual;
if (lt(curbuf->b_startop, curwin->w_cursor))
{
curbuf->b_endop = curwin->w_cursor;
curwin->w_cursor = curbuf->b_startop;
}
else
{
curbuf->b_endop = curbuf->b_startop;
curbuf->b_startop = curwin->w_cursor;
}
nlines = curbuf->b_endop.lnum - curbuf->b_startop.lnum + 1;
if (VIsual.lnum || redo_Visual_busy)
{
if (Visual_block) /* block mode */
{
startvcol = getvcol(curwin, &(curbuf->b_startop), 2);
n = getvcol(curwin, &(curbuf->b_endop), 2);
if (n < startvcol)
startvcol = (colnr_t)n;
/* if '$' was used, get endvcol from longest line */
if (curwin->w_curswant == MAXCOL)
{
curwin->w_cursor.col = MAXCOL;
endvcol = 0;
for (curwin->w_cursor.lnum = curbuf->b_startop.lnum; curwin->w_cursor.lnum <= curbuf->b_endop.lnum; ++curwin->w_cursor.lnum)
if ((n = getvcol(curwin, &curwin->w_cursor, 3)) > endvcol)
endvcol = (colnr_t)n;
curwin->w_cursor = curbuf->b_startop;
}
else if (redo_Visual_busy)
endvcol = startvcol + redo_Visual_col - 1;
else
{
endvcol = getvcol(curwin, &(curbuf->b_startop), 3);
n = getvcol(curwin, &(curbuf->b_endop), 3);
if (n > endvcol)
endvcol = (colnr_t)n;
}
coladvance(startvcol);
}
/*
* prepare to reselect and redo Visual: this is based on the size
* of the Visual text
*/
if (Visual_block)
resel_Visual_type = Ctrl('V');
else if (VIsual.col == VISUALLINE)
resel_Visual_type = 'V';
else
resel_Visual_type = 'v';
if (curwin->w_curswant == MAXCOL)
resel_Visual_col = MAXCOL;
else if (Visual_block)
resel_Visual_col = endvcol - startvcol + 1;
else if (nlines > 1)
resel_Visual_col = curbuf->b_endop.col;
else
resel_Visual_col = curbuf->b_endop.col - curbuf->b_startop.col + 1;
resel_Visual_nlines = nlines;
if (operator != YANK && operator != COLON) /* can't redo yank and : */
{
prep_redo(0L, 'v', opchars[operator - 1], NUL);
redo_Visual_type = resel_Visual_type;
redo_Visual_col = resel_Visual_col;
redo_Visual_nlines = resel_Visual_nlines;
redo_Visual_Prenum = Prenum;
}
/*
* Mincl defaults to TRUE.
* If endop is on a NUL (empty line) mincl becomes FALSE
* This makes "d}P" and "v}dP" work the same.
*/
mincl = TRUE;
if (VIsual.col == VISUALLINE)
mtype = MLINE;
else
{
mtype = MCHAR;
if (*ml_get_pos(&(curbuf->b_endop)) == NUL)
mincl = FALSE;
}
redo_Visual_busy = FALSE;
/*
* Switch Visual off now, so screen updating does
* not show inverted text when the screen is redrawn.
* With YANK and sometimes with COLON and FILTER there is no screen
* redraw, so it is done here to remove the inverted part.
*/
VIsual.lnum = 0;
if (operator == YANK || operator == COLON || operator == FILTER)
updateScreen(NOT_VALID);
}
else if (operator == LSHIFT || operator == RSHIFT)
Prenum1 = 1L; /* if not visual mode: shift one indent */
curwin->w_set_curswant = 1;
/* no_op is set when start and end are the same */
no_op = (mtype == MCHAR && !mincl && equal(curbuf->b_startop, curbuf->b_endop));
/*
* If the end of an operator is in column one while mtype is MCHAR and mincl
* is FALSE, we put endop after the last character in the previous line.
* If startop is on or before the first non-blank in the line, the operator
* becomes linewise (strange, but that's the way vi does it).
*/
if (mtype == MCHAR && mincl == FALSE && curbuf->b_endop.col == 0 && nlines > 1)
{
--nlines;
--curbuf->b_endop.lnum;
if (inindent())
mtype = MLINE;
else
{
curbuf->b_endop.col = STRLEN(ml_get(curbuf->b_endop.lnum));
if (curbuf->b_endop.col)
{
--curbuf->b_endop.col;
mincl = TRUE;
}
}
}
switch (operator)
{
case LSHIFT:
case RSHIFT:
doshift(operator, TRUE, (int)Prenum1);
modified = TRUE;
break;
case DELETE:
if (!no_op)
{
dodelete();
modified = TRUE;
}
break;
case YANK:
if (!no_op)
(void)doyank(FALSE);
break;
case CHANGE:
dochange();
modified = TRUE;
command_busy = TRUE;
break;
case FILTER:
bangredo = TRUE; /* dobang() will put cmd in redo buffer */
case INDENT:
case COLON:
dofilter:
sprintf((char *)IObuff, ":%ld,%ld", (long)curbuf->b_startop.lnum, (long)curbuf->b_endop.lnum);
stuffReadbuff(IObuff);
if (operator != COLON)
stuffReadbuff((char_u *)"!");
if (operator == INDENT)
{
stuffReadbuff(p_ep);
stuffReadbuff((char_u *)"\n");
}
else if (operator == FORMAT)
{
stuffReadbuff(p_fp);
stuffReadbuff((char_u *)"\n");
}
/* docmdline() does the rest */
break;
case TILDE:
case UPPER:
case LOWER:
if (!no_op)
{
dotilde();
modified = TRUE;
}
break;
case FORMAT:
if (*p_fp != NUL)
goto dofilter; /* use external command */
doformat(); /* use internal function */
modified = TRUE;
break;
default:
CLEAROPBEEP;
}
operator = NOP;
Visual_block = FALSE;
yankbuffer = 0;
}
normal_end:
premsg(-1, NUL);
if (restart_edit && operator == NOP && VIsual.lnum == 0 && !command_busy && stuff_empty() && yankbuffer == 0)
{
startinsert(restart_edit, FALSE, 1L);
modified = TRUE;
}
checkpcmark(); /* check if we moved since setting pcmark */
/*
* TEMPORARY: update the other windows for the current buffer if modified
*/
if (modified)
{
WIN *wp;
for (wp = firstwin; wp; wp = wp->w_next)
if (wp != curwin && wp->w_buffer == curbuf)
{
cursor_off();
wp->w_redr_type = NOT_VALID;
win_update(wp);
}
}
}
