Annotation of src/usr.bin/vim/macros.h, Revision 1.1
1.1 ! downsj 1: /* $OpenBSD$ */
! 2: /* vi:set ts=4 sw=4:
! 3: *
! 4: * VIM - Vi IMproved by Bram Moolenaar
! 5: *
! 6: * Do ":help uganda" in Vim to read copying and usage conditions.
! 7: * Do ":help credits" in Vim to see a list of people who contributed.
! 8: */
! 9:
! 10: /*
! 11: * macros.h: macro definitions for often used code
! 12: */
! 13:
! 14: /*
! 15: * pchar(lp, c) - put character 'c' at position 'lp'
! 16: */
! 17: #define pchar(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c))
! 18:
! 19: /*
! 20: * Position comparisons
! 21: */
! 22: #define lt(a, b) (((a).lnum != (b).lnum) \
! 23: ? ((a).lnum < (b).lnum) : ((a).col < (b).col))
! 24:
! 25: #define ltoreq(a, b) (((a).lnum != (b).lnum) \
! 26: ? ((a).lnum < (b).lnum) : ((a).col <= (b).col))
! 27:
! 28: #define equal(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col))
! 29:
! 30: /*
! 31: * lineempty() - return TRUE if the line is empty
! 32: */
! 33: #define lineempty(p) (*ml_get(p) == NUL)
! 34:
! 35: /*
! 36: * bufempty() - return TRUE if the current buffer is empty
! 37: */
! 38: #define bufempty() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_t)1) == NUL)
! 39:
! 40: /*
! 41: * On some systems toupper()/tolower() only work on lower/uppercase characters
! 42: */
! 43: #ifdef BROKEN_TOUPPER
! 44: # define TO_UPPER(c) (islower(c) ? toupper(c) : (c))
! 45: # define TO_LOWER(c) (isupper(c) ? tolower(c) : (c))
! 46: #else
! 47: # define TO_UPPER toupper
! 48: # define TO_LOWER tolower
! 49: #endif
! 50:
! 51: #ifdef HAVE_LANGMAP
! 52: /*
! 53: * Adjust chars in a language according to 'langmap' option.
! 54: * NOTE that there is NO overhead if 'langmap' is not set; but even
! 55: * when set we only have to do 2 ifs and an array lookup.
! 56: * Don't apply 'langmap' if the character comes from the Stuff buffer.
! 57: * The do-while is just to ignore a ';' after the macro.
! 58: */
! 59: # define LANGMAP_ADJUST(c, condition) do { \
! 60: if (*p_langmap && (condition) && !KeyStuffed && (c) < 256) \
! 61: c = langmap_mapchar[c]; \
! 62: } while (0)
! 63: #endif
! 64:
! 65: /*
! 66: * isbreak() is used very often if 'linebreak' is set, use a macro to make
! 67: * it work fast.
! 68: */
! 69: #define isbreak(c) (breakat_flags[(char_u)(c)])