diff options
Diffstat (limited to 'src/syntax.h')
| -rw-r--r-- | src/syntax.h | 51 |
1 files changed, 2 insertions, 49 deletions
diff --git a/src/syntax.h b/src/syntax.h index 9eaf553f2e5..48146572d19 100644 --- a/src/syntax.h +++ b/src/syntax.h @@ -128,56 +128,9 @@ extern Lisp_Object syntax_temp; : Qnil)) #endif -/* Then there are seven single-bit flags that have the following meanings: - 1. This character is the first of a two-character comment-start sequence. - 2. This character is the second of a two-character comment-start sequence. - 3. This character is the first of a two-character comment-end sequence. - 4. This character is the second of a two-character comment-end sequence. - 5. This character is a prefix, for backward-prefix-chars. - 6. see below - 7. This character is part of a nestable comment sequence. - Note that any two-character sequence whose first character has flag 1 - and whose second character has flag 2 will be interpreted as a comment start. - bit 6 is used to discriminate between two different comment styles. - Languages such as C++ allow two orthogonal syntax start/end pairs - and bit 6 is used to determine whether a comment-end or Scommentend - ends style a or b. Comment start sequences can start style a or b. - Style a is always the default. - */ - -/* These macros extract a particular flag for a given character. */ - -#define SYNTAX_COMSTART_FIRST(c) ((SYNTAX_WITH_FLAGS (c) >> 16) & 1) - -#define SYNTAX_COMSTART_SECOND(c) ((SYNTAX_WITH_FLAGS (c) >> 17) & 1) - -#define SYNTAX_COMEND_FIRST(c) ((SYNTAX_WITH_FLAGS (c) >> 18) & 1) - -#define SYNTAX_COMEND_SECOND(c) ((SYNTAX_WITH_FLAGS (c) >> 19) & 1) - -#define SYNTAX_PREFIX(c) ((SYNTAX_WITH_FLAGS (c) >> 20) & 1) - -#define SYNTAX_COMMENT_STYLE(c) ((SYNTAX_WITH_FLAGS (c) >> 21) & 1) - -#define SYNTAX_COMMENT_NESTED(c) ((SYNTAX_WITH_FLAGS (c) >> 22) & 1) - -/* These macros extract specific flags from an integer - that holds the syntax code and the flags. */ - -#define SYNTAX_FLAGS_COMSTART_FIRST(flags) (((flags) >> 16) & 1) - -#define SYNTAX_FLAGS_COMSTART_SECOND(flags) (((flags) >> 17) & 1) - -#define SYNTAX_FLAGS_COMEND_FIRST(flags) (((flags) >> 18) & 1) - -#define SYNTAX_FLAGS_COMEND_SECOND(flags) (((flags) >> 19) & 1) - -#define SYNTAX_FLAGS_PREFIX(flags) (((flags) >> 20) & 1) - -#define SYNTAX_FLAGS_COMMENT_STYLE(flags) (((flags) >> 21) & 1) - -#define SYNTAX_FLAGS_COMMENT_NESTED(flags) (((flags) >> 22) & 1) +/* Whether the syntax of the character C has the prefix flag set. */ +extern int syntax_prefix_flag_p (int c); /* This array, indexed by a character, contains the syntax code which that character signifies (as a char). For example, |