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parser.c (struct cp_token): Use enum bitfields.

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2003-08-26  Dan Nicolaescu  <dann@ics.uci.edu>

	* parser.c (struct cp_token): Use enum bitfields.
	(CP_TOKEN_BLOCK_NUM_TOKENS): Make sure cp_token_block fits in a
	512B allocation unit.
	(cp_parser_token_tree_map_node): Use enum bitfields.

From-SVN: r70837
This commit is contained in:
Dan Nicolaescu 2003-08-27 00:49:19 +00:00 committed by Zack Weinberg
parent 82ba99d59e
commit 522df48884
2 changed files with 28 additions and 20 deletions
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7
gcc/cp/ChangeLog
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@ -1,3 +1,10 @@
2003-08-26 Dan Nicolaescu <dann@ics.uci.edu>
* parser.c (struct cp_token): Use enum bitfields.
(CP_TOKEN_BLOCK_NUM_TOKENS): Make sure cp_token_block fits in a
512B allocation unit.
(cp_parser_token_tree_map_node): Use enum bitfields.
2003-08-26 Nathan Sidwell <nathan@codesourcery.com>
PR c++/11871

17
gcc/cp/parser.c
View File

@ -68,19 +68,20 @@
typedef struct cp_token GTY (())
{
/* The kind of token. */
enum cpp_ttype type;
/* The value associated with this token, if any. */
tree value;
enum cpp_ttype type : 8;
/* If this token is a keyword, this value indicates which keyword.
Otherwise, this value is RID_MAX. */
enum rid keyword;
enum rid keyword : 8;
/* The value associated with this token, if any. */
tree value;
/* The location at which this token was found. */
location_t location;
} cp_token;
/* The number of tokens in a single token block. */
/* The number of tokens in a single token block.
Computed so that cp_token_block fits in a 512B allocation unit. */
#define CP_TOKEN_BLOCK_NUM_TOKENS 32
#define CP_TOKEN_BLOCK_NUM_TOKENS ((512 - 3*sizeof (char*))/sizeof (cp_token))
/* A group of tokens. These groups are chained together to store
large numbers of tokens. (For example, a token block is created
@ -1062,9 +1063,9 @@ typedef enum cp_parser_declarator_kind
typedef struct cp_parser_token_tree_map_node
{
/* The token type. */
enum cpp_ttype token_type;
enum cpp_ttype token_type : 8;
/* The corresponding tree code. */
enum tree_code tree_type;
enum tree_code tree_type : 8;
} cp_parser_token_tree_map_node;
/* A complete map consists of several ordinary entries, followed by a