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Changes to m4/m4/m4module.h,v
From: |
Eric Blake |
Subject: |
Changes to m4/m4/m4module.h,v |
Date: |
Tue, 23 Jan 2007 14:28:24 +0000 |
CVSROOT: /sources/m4
Module name: m4
Changes by: Eric Blake <ericb> 07/01/23 14:28:23
Index: m4/m4module.h
===================================================================
RCS file: /sources/m4/m4/m4/m4module.h,v
retrieving revision 1.104
retrieving revision 1.105
diff -u -b -r1.104 -r1.105
--- m4/m4module.h 13 Jan 2007 13:55:37 -0000 1.104
+++ m4/m4module.h 23 Jan 2007 14:28:22 -0000 1.105
@@ -355,30 +355,32 @@
extern bool m4_is_syntax_single_comments (m4_syntax_table *);
extern bool m4_is_syntax_macro_escaped (m4_syntax_table *);
-/* These are values to be assigned to syntax table entries, although they
- are bit masks for fast categorisation in m4__next_token(), only one
- value per syntax table entry is allowed. */
+/* These are values to be assigned to syntax table entries. Although
+ they are bit masks for fast categorization in m4__next_token(),
+ only one value per syntax table entry is allowed. The enumeration
+ is currently sorted in order of parsing precedence. */
enum {
- M4_SYNTAX_OTHER = (1 << 0),
- M4_SYNTAX_IGNORE = (1 << 1),
- M4_SYNTAX_SPACE = (1 << 2),
- M4_SYNTAX_OPEN = (1 << 3),
- M4_SYNTAX_CLOSE = (1 << 4),
- M4_SYNTAX_COMMA = (1 << 5),
- M4_SYNTAX_DOLLAR = (1 << 6),
- M4_SYNTAX_ACTIVE = (1 << 7),
- M4_SYNTAX_ESCAPE = (1 << 8),
- M4_SYNTAX_ASSIGN = (1 << 9),
- M4_SYNTAX_ALPHA = (1 << 10),
- M4_SYNTAX_NUM = (1 << 11),
- M4_SYNTAX_LQUOTE = (1 << 12),
- M4_SYNTAX_BCOMM = (1 << 13),
+ M4_SYNTAX_IGNORE = 0,
+ M4_SYNTAX_ESCAPE = 1 << 0,
+ M4_SYNTAX_ALPHA = 1 << 1,
+ M4_SYNTAX_LQUOTE = 1 << 2,
+ M4_SYNTAX_BCOMM = 1 << 3,
+ M4_SYNTAX_OTHER = 1 << 4,
+ M4_SYNTAX_NUM = 1 << 5,
+ M4_SYNTAX_DOLLAR = 1 << 6,
+ M4_SYNTAX_LBRACE = 1 << 7,
+ M4_SYNTAX_RBRACE = 1 << 8,
+ M4_SYNTAX_SPACE = 1 << 9,
+ M4_SYNTAX_ACTIVE = 1 << 10,
+ M4_SYNTAX_OPEN = 1 << 11,
+ M4_SYNTAX_CLOSE = 1 << 12,
+ M4_SYNTAX_COMMA = 1 << 13,
/* These values are bit masks to OR with categories above, a syntax entry
may have any number of these in addition to a maximum of one of the
values above. */
- M4_SYNTAX_RQUOTE = (1 << 14),
- M4_SYNTAX_ECOMM = (1 << 15),
+ M4_SYNTAX_RQUOTE = 1 << 14,
+ M4_SYNTAX_ECOMM = 1 << 15
};
#define M4_SYNTAX_MASKS (M4_SYNTAX_RQUOTE | M4_SYNTAX_ECOMM)