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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)])