that need to be visible across files. It's called cpphash.h for
historical reasons. */
-#ifndef __GCC_CPPHASH__
-#define __GCC_CPPHASH__
+#ifndef GCC_CPPHASH_H
+#define GCC_CPPHASH_H
-struct directive; /* These are deliberately incomplete. */
-struct htab;
+#include "hashtable.h"
+
+struct directive; /* Deliberately incomplete. */
/* Test if a sign is valid within a preprocessing number. */
#define VALID_SIGN(c, prevc) \
#define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
#define CPP_BUFFER(PFILE) ((PFILE)->buffer)
-#define CPP_BUF_LINE(BUF) ((BUF)->lineno)
#define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base + (BUF)->col_adjust)
#define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
#define CPP_STACK_MAX 200
/* Memory pools. */
-#define ALIGN(size, align) (((size) + ((align) - 1)) & ~((align) - 1))
+#define POOL_ALIGN(size, align) (((size) + ((align) - 1)) & ~((align) - 1))
#define POOL_FRONT(p) ((p)->cur->front)
#define POOL_LIMIT(p) ((p)->cur->limit)
#define POOL_BASE(p) ((p)->cur->base)
#define POOL_SIZE(p) ((p)->cur->limit - (p)->cur->base)
#define POOL_ROOM(p) ((p)->cur->limit - (p)->cur->front)
#define POOL_USED(p) ((p)->cur->front - (p)->cur->base)
-#define POOL_COMMIT(p, len) do {((p)->cur->front += ALIGN (len, (p)->align));\
+#define POOL_COMMIT(p, len) do {\
+ ((p)->cur->front += POOL_ALIGN (len, (p)->align));\
if ((p)->cur->front > (p)->cur->limit) abort ();} while (0)
typedef struct cpp_chunk cpp_chunk;
unsigned int locks;
};
-/* List of directories to look for include files in. */
-struct file_name_list
+/* List of directories to look for include files in. */
+struct search_path
{
- struct file_name_list *next;
- struct file_name_list *alloc; /* for the cache of
- current directory entries */
- char *name;
- unsigned int nlen;
+ struct search_path *next;
+
+ /* NOTE: NAME may not be null terminated for the case of the current
+ file's directory! */
+ const char *name;
+ unsigned int len;
/* We use these to tell if the directory mentioned here is a duplicate
- of an earlier directory on the search path. */
+ of an earlier directory on the search path. */
ino_t ino;
dev_t dev;
- /* If the following is nonzero, it is a C-language system include
- directory. */
+ /* Non-zero if it is a system include directory. */
int sysp;
- /* Mapping of file names for this directory.
- Only used on MS-DOS and related platforms. */
+ /* Mapping of file names for this directory. Only used on MS-DOS
+ and related platforms. */
struct file_name_map *name_map;
};
-/* Multiple-include optimisation. */
-enum mi_state {MI_FAILED = 0, MI_OUTSIDE};
-enum mi_ind {MI_IND_NONE = 0, MI_IND_NOT};
+/* #include types. */
+enum include_type {IT_INCLUDE, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE};
typedef struct toklist toklist;
struct toklist
/* Nonzero if first token on line is CPP_HASH. */
unsigned char in_directive;
+ /* True if we are skipping a failed conditional group. */
+ unsigned char skipping;
+
/* Nonzero if in a directive that takes angle-bracketed headers. */
unsigned char angled_headers;
{
cpp_hashnode *n_L; /* L"str" */
cpp_hashnode *n_defined; /* defined operator */
+ cpp_hashnode *n_true; /* C++ keyword true */
+ cpp_hashnode *n_false; /* C++ keyword false */
cpp_hashnode *n__Pragma; /* _Pragma operator */
cpp_hashnode *n__STRICT_ANSI__; /* STDC_0_IN_SYSTEM_HEADERS */
cpp_hashnode *n__CHAR_UNSIGNED__; /* plain char is unsigned */
/* Filename specified with #line command. */
const char *nominal_fname;
- /* Actual directory of this file, used only for "" includes */
- struct file_name_list *actual_dir;
-
/* Pointer into the include table. Used for include_next and
to record control macros. */
struct include_file *inc;
/* Token column position adjustment owing to tabs in whitespace. */
unsigned int col_adjust;
- /* Line number at line_base (above). */
- unsigned int lineno;
+ /* The line of the buffer that we return to after a #include.
+ Strictly this is redundant, since it can be calculated from the
+ line maps, but it is clearest to save it here. */
+ unsigned int return_to_line;
+
+ /* Contains PREV_WHITE and/or AVOID_LPASTE. */
+ unsigned char saved_flags;
/* Because of the way the lexer works, -Wtrigraphs can sometimes
warn twice for the same trigraph. This helps prevent that. */
buffers. */
unsigned char from_stage3;
- /* Temporary storage for pfile->skipping whilst in a directive. */
- unsigned char was_skipping;
-
/* 1 = system header file, 2 = C system header file used for C++. */
unsigned char sysp;
containing files that matches the current status. */
unsigned char include_stack_listed;
+ /* Nonzero means that the directory to start searching for ""
+ include files has been calculated and stored in "dir" below. */
+ unsigned char search_cached;
+
+ /* At EOF, a buffer is automatically popped. If RETURN_AT_EOF is
+ true, a CPP_EOF token is then returned. Otherwise, the next
+ token from the enclosing buffer is returned. */
+ bool return_at_eof;
+
/* Buffer type. */
ENUM_BITFIELD (cpp_buffer_type) type : 8;
+
+ /* The directory of the this buffer's file. Its NAME member is not
+ allocated, so we don't need to worry about freeing it. */
+ struct search_path dir;
};
/* A cpp_reader encapsulates the "state" of a pre-processor run.
/* Lexer state. */
struct lexer_state state;
+ /* Source line tracking. */
+ struct line_maps line_maps;
+ struct line_map *map;
+ unsigned int line;
+
/* The position of the last lexed token and last lexed directive. */
cpp_lexer_pos lexer_pos;
cpp_lexer_pos directive_pos;
+ unsigned int directive_line;
/* Memory pools. */
cpp_pool ident_pool; /* For all identifiers, and permanent
const struct directive *directive;
/* Multiple inlcude optimisation. */
- enum mi_state mi_state;
- enum mi_ind mi_if_not_defined;
- unsigned int mi_lexed;
const cpp_hashnode *mi_cmacro;
const cpp_hashnode *mi_ind_cmacro;
+ bool mi_valid;
/* Token lookahead. */
struct cpp_lookahead *la_read; /* Read from this lookahead. */
/* Current depth in #include directives. */
unsigned int include_depth;
- /* Hash table of macros and assertions. See cpphash.c. */
- struct htab *hashtab;
-
/* Tree of other included files. See cppfiles.c. */
struct splay_tree_s *all_include_files;
- /* Chain of `actual directory' file_name_list entries, for ""
- inclusion. */
- struct file_name_list *actual_dirs;
-
/* Current maximum length of directory names in the search path
for include files. (Altered as we get more of them.) */
unsigned int max_include_len;
/* Obstack holding all macro hash nodes. This never shrinks.
See cpphash.c */
- struct obstack *hash_ob;
+ struct obstack hash_ob;
/* Obstack holding buffer and conditional structures. This is a
- real stack. See cpplib.c */
- struct obstack *buffer_ob;
+ real stack. See cpplib.c. */
+ struct obstack buffer_ob;
/* Pragma table - dynamic, because a library user can add to the
list of recognized pragmas. */
/* Call backs. */
struct cpp_callbacks cb;
+ /* Identifier hash table. */
+ struct ht *hash_table;
+
/* User visible options. */
struct cpp_options opts;
preprocessor. */
struct spec_nodes spec_nodes;
- /* We're printed a warning recommending against using #import. */
- unsigned char import_warning;
+ /* Whether to print our version number. Done this way so
+ we don't get it twice for -v -version. */
+ unsigned char print_version;
- /* True after cpp_start_read completes. Used to inhibit some
- warnings while parsing the command line. */
- unsigned char done_initializing;
-
- /* True if we are skipping a failed conditional group. */
- unsigned char skipping;
+ /* Whether cpplib owns the hashtable. */
+ unsigned char our_hashtable;
};
/* Character classes. Based on the more primitive macros in safe-ctype.h.
/* Macros. */
-#define CPP_PREV_BUFFER(BUFFER) ((BUFFER)->prev)
#define CPP_PRINT_DEPS(PFILE) CPP_OPTION (PFILE, print_deps)
#define CPP_IN_SYSTEM_HEADER(PFILE) \
(CPP_BUFFER (PFILE) && CPP_BUFFER (PFILE)->sysp)
#define CPP_PEDANTIC(PF) CPP_OPTION (PF, pedantic)
#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
-/* Hash step. The hash calculation is duplicated in cpp_lookup and
- parse_name. */
-#define HASHSTEP(r, c) ((r) * 67 + (c - 113));
-
/* In cpperror.c */
-enum error_type { WARNING = 0, PEDWARN, ERROR, FATAL, ICE };
+enum error_type { WARNING = 0, WARNING_SYSHDR, PEDWARN, ERROR, FATAL, ICE };
extern int _cpp_begin_message PARAMS ((cpp_reader *, enum error_type,
const char *, const cpp_lexer_pos *));
const cpp_lexer_pos *));
/* In cpphash.c */
-extern void _cpp_init_hashtable PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_hashtable PARAMS ((cpp_reader *));
-extern cpp_hashnode *_cpp_lookup_with_hash PARAMS ((cpp_reader*, size_t,
- unsigned int));
+extern void _cpp_init_hashtable PARAMS ((cpp_reader *, hash_table *));
+extern void _cpp_destroy_hashtable PARAMS ((cpp_reader *));
/* In cppfiles.c */
extern void _cpp_fake_include PARAMS ((cpp_reader *, const char *));
extern void _cpp_never_reread PARAMS ((struct include_file *));
-extern void _cpp_simplify_pathname PARAMS ((char *));
+extern char *_cpp_simplify_pathname PARAMS ((char *));
extern int _cpp_read_file PARAMS ((cpp_reader *, const char *));
-extern void _cpp_execute_include PARAMS ((cpp_reader *,
- const cpp_token *, int, int));
+extern int _cpp_execute_include PARAMS ((cpp_reader *,
+ const cpp_token *,
+ enum include_type));
extern int _cpp_compare_file_date PARAMS ((cpp_reader *,
const cpp_token *));
extern void _cpp_report_missing_guards PARAMS ((cpp_reader *));
extern int _cpp_handle_directive PARAMS ((cpp_reader *, int));
extern void _cpp_define_builtin PARAMS ((cpp_reader *, const char *));
extern void _cpp_do__Pragma PARAMS ((cpp_reader *));
-extern void _cpp_init_stacks PARAMS ((cpp_reader *));
-extern void _cpp_cleanup_stacks PARAMS ((cpp_reader *));
+extern void _cpp_init_directives PARAMS ((cpp_reader *));
extern void _cpp_init_internal_pragmas PARAMS ((cpp_reader *));
-extern void _cpp_do_file_change PARAMS ((cpp_reader *, enum cpp_fc_reason,
- const char *, unsigned int));
+extern void _cpp_do_file_change PARAMS ((cpp_reader *, enum lc_reason,
+ unsigned int));
+extern void _cpp_pop_buffer PARAMS ((cpp_reader *));
/* Utility routines and macros. */
#define DSC(str) (const U_CHAR *)str, sizeof str - 1
return fputs ((const char *)s, f);
}
-#endif
+#endif /* ! GCC_CPPHASH_H */
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