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- /* vi:set ts=4 sw=4:
- *
- * VIM - Vi IMproved by Bram Moolenaar
- *
- * Do ":help uganda" in Vim to read copying and usage conditions.
- * Do ":help credits" in Vim to see a list of people who contributed.
- */
-
- /*
- * macros.h: macro definitions for often used code
- */
-
- /*
- * pchar(lp, c) - put character 'c' at position 'lp'
- */
- #define pchar(lp, c) (*(ml_get_buf(curbuf, (lp).lnum, TRUE) + (lp).col) = (c))
-
- /*
- * Position comparisons
- */
- #define lt(a, b) (((a).lnum != (b).lnum) \
- ? ((a).lnum < (b).lnum) : ((a).col < (b).col))
-
- #define ltoreq(a, b) (((a).lnum != (b).lnum) \
- ? ((a).lnum < (b).lnum) : ((a).col <= (b).col))
-
- #define equal(a, b) (((a).lnum == (b).lnum) && ((a).col == (b).col))
-
- /*
- * lineempty() - return TRUE if the line is empty
- */
- #define lineempty(p) (*ml_get(p) == NUL)
-
- /*
- * bufempty() - return TRUE if the current buffer is empty
- */
- #define bufempty() (curbuf->b_ml.ml_line_count == 1 && *ml_get((linenr_t)1) == NUL)
-
- /*
- * On some systems toupper()/tolower() only work on lower/uppercase characters
- */
- #ifdef BROKEN_TOUPPER
- # define TO_UPPER(c) (islower(c) ? toupper(c) : (c))
- # define TO_LOWER(c) (isupper(c) ? tolower(c) : (c))
- #else
- # define TO_UPPER toupper
- # define TO_LOWER tolower
- #endif
-
- #ifdef HAVE_LANGMAP
- /*
- * Adjust chars in a language according to 'langmap' option.
- * NOTE that there is NO overhead if 'langmap' is not set; but even
- * when set we only have to do 2 ifs and an array lookup.
- * Don't apply 'langmap' if the character comes from the Stuff buffer.
- * The do-while is just to ignore a ';' after the macro.
- */
- # define LANGMAP_ADJUST(c, condition) do { \
- if (*p_langmap && (condition) && !KeyStuffed && (c) < 256) \
- c = langmap_mapchar[c]; \
- } while (0)
- #endif
-
- /*
- * isbreak() is used very often if 'linebreak' is set, use a macro to make
- * it work fast.
- */
- #define isbreak(c) (breakat_flags[(char_u)(c)])
-