Mercurial > vim
diff src/ops.c @ 7447:ad432f8f68fb v7.4.1027
commit https://github.com/vim/vim/commit/887c1fea4a114e7170091942d0446c8882701b5b
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jan 2 17:56:35 2016 +0100
patch 7.4.1027
Problem: No support for binary numbers.
Solution: Add "bin" to nrformats. (Jason Schulz)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Sat, 02 Jan 2016 18:00:05 +0100 |
| parents | 4c5f53a60543 |
| children | a49163681559 |
line wrap: on
line diff
--- a/src/ops.c +++ b/src/ops.c @@ -5379,7 +5379,7 @@ do_addsub(command, Prenum1, g_cmd) int col; char_u *buf1; char_u buf2[NUMBUFLEN]; - int hex; /* 'X' or 'x': hex; '0': octal */ + int pre; /* 'X'/'x': hex; '0': octal; 'B'/'b': bin */ static int hexupper = FALSE; /* 0xABC */ unsigned long n; unsigned long offset = 0; /* line offset for Ctrl_V mode */ @@ -5390,6 +5390,7 @@ do_addsub(command, Prenum1, g_cmd) int todel; int dohex; int dooct; + int dobin; int doalp; int firstdigit; int subtract; @@ -5403,9 +5404,13 @@ do_addsub(command, Prenum1, g_cmd) int did_change = FALSE; pos_T t = curwin->w_cursor; int maxlen = 0; + int pos = 0; + int bit = 0; + int bits = sizeof(unsigned long) * 8; dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ + dobin = (vim_strchr(curbuf->b_p_nf, 'b') != NULL); /* "Bin" */ doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ /* @@ -5454,17 +5459,45 @@ do_addsub(command, Prenum1, g_cmd) ptr = ml_get_curline(); RLADDSUBFIX(ptr); + if (dobin) + while (col > 0 && vim_isbdigit(ptr[col])) + --col; + if (dohex) while (col > 0 && vim_isxdigit(ptr[col])) --col; - if ( dohex + + if ( dobin + && dohex + && ! ((col > 0 + && (ptr[col] == 'X' + || ptr[col] == 'x') + && ptr[col - 1] == '0' + && vim_isxdigit(ptr[col + 1])))) + { + + /* In case of binary/hexadecimal pattern overlap match, rescan */ + + col = curwin->w_cursor.col; + + while (col > 0 && vim_isdigit(ptr[col])) + col--; + } + + if (( dohex && col > 0 && (ptr[col] == 'X' || ptr[col] == 'x') && ptr[col - 1] == '0' - && vim_isxdigit(ptr[col + 1])) + && vim_isxdigit(ptr[col + 1])) || + ( dobin + && col > 0 + && (ptr[col] == 'B' + || ptr[col] == 'b') + && ptr[col - 1] == '0' + && vim_isbdigit(ptr[col + 1]))) { - /* Found hexadecimal number, move to its start. */ + /* Found hexadecimal or binary number, move to its start. */ --col; } else @@ -5609,11 +5642,14 @@ do_addsub(command, Prenum1, g_cmd) : curwin->w_cursor.col - col + 1); } - vim_str2nr(ptr + col, &hex, &length, dooct, dohex, NULL, &n, - maxlen); - - /* ignore leading '-' for hex and octal numbers */ - if (hex && negative) + vim_str2nr(ptr + col, &pre, &length, + 0 + (dobin ? STR2NR_BIN : 0) + + (dooct ? STR2NR_OCT : 0) + + (dohex ? STR2NR_HEX : 0), + NULL, &n, maxlen); + + /* ignore leading '-' for hex and octal and bin numbers */ + if (pre && negative) { ++col; --length; @@ -5634,7 +5670,7 @@ do_addsub(command, Prenum1, g_cmd) n += (unsigned long)Prenum1; /* handle wraparound for decimal numbers */ - if (!hex) + if (!pre) { if (subtract) { @@ -5706,25 +5742,37 @@ do_addsub(command, Prenum1, g_cmd) { *ptr++ = '-'; } - if (hex) + if (pre) { *ptr++ = '0'; --length; } - if (hex == 'x' || hex == 'X') + if (pre == 'b' || pre == 'B' || + pre == 'x' || pre == 'X') { - *ptr++ = hex; + *ptr++ = pre; --length; } /* * Put the number characters in buf2[]. */ - if (hex == 0) + if (pre == 'b' || pre == 'B') + { + /* leading zeros */ + for (bit = bits; bit > 0; bit--) + if ((n >> (bit - 1)) & 0x1) break; + + for (pos = 0; bit > 0; bit--) + buf2[pos++] = ((n >> (bit - 1)) & 0x1) ? '1' : '0'; + + buf2[pos] = '\0'; + } + else if (pre == 0) sprintf((char *)buf2, "%lu", n); - else if (hex == '0') + else if (pre == '0') sprintf((char *)buf2, "%lo", n); - else if (hex && hexupper) + else if (pre && hexupper) sprintf((char *)buf2, "%lX", n); else sprintf((char *)buf2, "%lx", n); @@ -5736,7 +5784,7 @@ do_addsub(command, Prenum1, g_cmd) * Don't do this when * the result may look like an octal number. */ - if (firstdigit == '0' && !(dooct && hex == 0)) + if (firstdigit == '0' && !(dooct && pre == 0)) while (length-- > 0) *ptr++ = '0'; *ptr = NUL; @@ -6359,7 +6407,7 @@ get_reg_type(regname, reglen) #endif if (regname != NUL && !valid_yank_reg(regname, FALSE)) - return MAUTO; + return MAUTO; get_yank_register(regname, FALSE);