#ifndef LIBCPP_INTERNAL_H
#define LIBCPP_INTERNAL_H
#include "symtab.h"
#include "cpp-id-data.h"
#ifndef HAVE_ICONV_H
#undef HAVE_ICONV
#endif
#if HAVE_ICONV
#include <iconv.h>
#else
#define HAVE_ICONV 0
typedef int iconv_t;
#endif
struct directive;
struct pending_option;
struct op;
struct _cpp_strbuf;
typedef bool (*convert_f) (iconv_t, const unsigned char *, size_t,
struct _cpp_strbuf *);
struct cset_converter
{
convert_f func;
iconv_t cd;
};
#define BITS_PER_CPPCHAR_T (CHAR_BIT * sizeof (cppchar_t))
#define VALID_SIGN(c, prevc) \
(((c) == '+' || (c) == '-') && \
((prevc) == 'e' || (prevc) == 'E' \
|| (((prevc) == 'p' || (prevc) == 'P') \
&& CPP_OPTION (pfile, extended_numbers))))
#define CPP_OPTION(PFILE, OPTION) ((PFILE)->opts.OPTION)
#define CPP_BUFFER(PFILE) ((PFILE)->buffer)
#define CPP_BUF_COLUMN(BUF, CUR) ((CUR) - (BUF)->line_base)
#define CPP_BUF_COL(BUF) CPP_BUF_COLUMN(BUF, (BUF)->cur)
#define CPP_INCREMENT_LINE(PFILE, COLS_HINT) do { \
const struct line_maps *line_table = PFILE->line_table; \
const struct line_map *map = &line_table->maps[line_table->used-1]; \
unsigned int line = SOURCE_LINE (map, line_table->highest_line); \
linemap_line_start (PFILE->line_table, line + 1, COLS_HINT); \
} while (0)
#define CPP_STACK_MAX 200
struct dummy
{
char c;
union
{
double d;
int *p;
} u;
};
#define DEFAULT_ALIGNMENT offsetof (struct dummy, u)
#define CPP_ALIGN2(size, align) (((size) + ((align) - 1)) & ~((align) - 1))
#define CPP_ALIGN(size) CPP_ALIGN2 (size, DEFAULT_ALIGNMENT)
#define _cpp_mark_macro_used(NODE) do { \
if ((NODE)->type == NT_MACRO && !((NODE)->flags & NODE_BUILTIN)) \
(NODE)->value.macro->used = 1; } while (0)
typedef struct _cpp_buff _cpp_buff;
struct _cpp_buff
{
struct _cpp_buff *next;
unsigned char *base, *cur, *limit;
};
extern _cpp_buff *_cpp_get_buff (cpp_reader *, size_t);
extern void _cpp_release_buff (cpp_reader *, _cpp_buff *);
extern void _cpp_extend_buff (cpp_reader *, _cpp_buff **, size_t);
extern _cpp_buff *_cpp_append_extend_buff (cpp_reader *, _cpp_buff *, size_t);
extern void _cpp_free_buff (_cpp_buff *);
extern unsigned char *_cpp_aligned_alloc (cpp_reader *, size_t);
extern unsigned char *_cpp_unaligned_alloc (cpp_reader *, size_t);
#define BUFF_ROOM(BUFF) (size_t) ((BUFF)->limit - (BUFF)->cur)
#define BUFF_FRONT(BUFF) ((BUFF)->cur)
#define BUFF_LIMIT(BUFF) ((BUFF)->limit)
enum include_type {IT_INCLUDE, IT_INCLUDE_PCH, IT_INCLUDE_NEXT, IT_IMPORT, IT_CMDLINE};
union utoken
{
const cpp_token *token;
const cpp_token **ptoken;
};
typedef struct tokenrun tokenrun;
struct tokenrun
{
tokenrun *next, *prev;
cpp_token *base, *limit;
};
#define FIRST(c) ((c)->u.iso.first)
#define LAST(c) ((c)->u.iso.last)
#define CUR(c) ((c)->u.trad.cur)
#define RLIMIT(c) ((c)->u.trad.rlimit)
typedef struct cpp_context cpp_context;
struct cpp_context
{
cpp_context *next, *prev;
union
{
struct
{
union utoken first;
union utoken last;
} iso;
struct
{
const unsigned char *cur;
const unsigned char *rlimit;
} trad;
} u;
_cpp_buff *buff;
cpp_hashnode *macro;
bool direct_p;
bool bol_p;
};
struct lexer_state
{
unsigned char in_directive;
unsigned char directive_wants_padding;
unsigned char skipping;
unsigned char angled_headers;
unsigned char in_expression;
unsigned char save_comments;
unsigned char va_args_ok;
unsigned char poisoned_ok;
unsigned char prevent_expansion;
unsigned char parsing_args;
unsigned char discarding_output;
unsigned int skip_eval;
unsigned char in_deferred_pragma;
unsigned char pragma_allow_expansion;
unsigned char in_diagnostic;
};
struct spec_nodes
{
cpp_hashnode *n_defined;
cpp_hashnode *n_true;
cpp_hashnode *n_false;
cpp_hashnode *n__VA_ARGS__;
};
typedef struct _cpp_line_note _cpp_line_note;
struct _cpp_line_note
{
const unsigned char *pos;
unsigned int type;
};
struct cpp_buffer
{
const unsigned char *cur;
const unsigned char *line_base;
const unsigned char *next_line;
const unsigned char *buf;
const unsigned char *rlimit;
_cpp_line_note *notes;
unsigned int cur_note;
unsigned int notes_used;
unsigned int notes_cap;
struct cpp_buffer *prev;
struct _cpp_file *file;
const unsigned char *timestamp;
struct if_stack *if_stack;
bool need_line;
unsigned int warned_cplusplus_comments : 1;
unsigned int from_stage3 : 1;
unsigned int return_at_eof : 1;
unsigned char sysp;
struct cpp_dir dir;
struct cset_converter input_cset_desc;
};
struct cpp_reader
{
cpp_buffer *buffer;
cpp_buffer *overlaid_buffer;
struct lexer_state state;
struct line_maps *line_table;
source_location directive_line;
_cpp_buff *a_buff;
_cpp_buff *u_buff;
_cpp_buff *free_buffs;
struct cpp_context base_context;
struct cpp_context *context;
const struct directive *directive;
cpp_token directive_result;
struct cpp_dir *quote_include;
struct cpp_dir *bracket_include;
struct cpp_dir no_search_path;
struct _cpp_file *all_files;
struct _cpp_file *main_file;
bool is_main_file;
struct htab *file_hash;
struct htab *dir_hash;
struct file_hash_entry *file_hash_entries;
unsigned int file_hash_entries_allocated, file_hash_entries_used;
bool quote_ignores_source_dir;
bool seen_once_only;
const cpp_hashnode *mi_cmacro;
const cpp_hashnode *mi_ind_cmacro;
bool mi_valid;
cpp_token *cur_token;
tokenrun base_run, *cur_run;
unsigned int lookaheads;
cpp_token *beg_eincl, *end_eincl;
tokenrun base_eincl, *cur_eincl;
bool have_eincl;
unsigned int keep_tokens;
unsigned int errors;
unsigned char *macro_buffer;
unsigned int macro_buffer_len;
struct cset_converter narrow_cset_desc;
struct cset_converter wide_cset_desc;
const unsigned char *date;
const unsigned char *time;
cpp_token avoid_paste;
cpp_token eof;
struct deps *deps;
struct obstack hash_ob;
struct obstack buffer_ob;
struct pragma_entry *pragmas;
struct cpp_callbacks cb;
struct ht *hash_table;
struct op *op_stack, *op_limit;
struct cpp_options opts;
struct spec_nodes spec_nodes;
bool our_hashtable;
struct
{
unsigned char *base;
unsigned char *limit;
unsigned char *cur;
source_location first_line;
} out;
const unsigned char *saved_cur, *saved_rlimit, *saved_line_base;
struct cpp_savedstate *savedstate;
};
#define _dollar_ok(x) ((x) == '$' && CPP_OPTION (pfile, dollars_in_ident))
#define is_idchar(x) (ISIDNUM(x) || _dollar_ok(x))
#define is_numchar(x) ISIDNUM(x)
#define is_idstart(x) (ISIDST(x) || _dollar_ok(x))
#define is_numstart(x) ISDIGIT(x)
#define is_hspace(x) ISBLANK(x)
#define is_vspace(x) IS_VSPACE(x)
#define is_nvspace(x) IS_NVSPACE(x)
#define is_space(x) IS_SPACE_OR_NUL(x)
#if HAVE_DESIGNATED_INITIALIZERS
extern const unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
#else
extern unsigned char _cpp_trigraph_map[UCHAR_MAX + 1];
#endif
#define CPP_IN_SYSTEM_HEADER(PFILE) ((PFILE)->line_table && (PFILE)->line_table->maps && (PFILE)->line_table->maps->sysp)
static inline int cpp_in_system_header (cpp_reader *);
static inline int
cpp_in_system_header (cpp_reader *pfile)
{
return pfile->buffer ? pfile->buffer->sysp : 0;
}
#define CPP_PEDANTIC(PF) CPP_OPTION (PF, pedantic)
#define CPP_WTRADITIONAL(PF) CPP_OPTION (PF, warn_traditional)
extern int _cpp_begin_message (cpp_reader *, int,
source_location, unsigned int);
extern void _cpp_free_definition (cpp_hashnode *);
extern bool _cpp_create_definition (cpp_reader *, cpp_hashnode *);
extern void _cpp_pop_context (cpp_reader *);
extern void _cpp_push_text_context (cpp_reader *, cpp_hashnode *,
const unsigned char *, size_t);
extern bool _cpp_save_parameter (cpp_reader *, cpp_macro *, cpp_hashnode *);
extern bool _cpp_arguments_ok (cpp_reader *, cpp_macro *, const cpp_hashnode *,
unsigned int);
extern const unsigned char *_cpp_builtin_macro_text (cpp_reader *,
cpp_hashnode *);
extern int _cpp_warn_if_unused_macro (cpp_reader *, cpp_hashnode *, void *);
extern void _cpp_push_token_context (cpp_reader *, cpp_hashnode *,
const cpp_token *, unsigned int);
extern void _cpp_init_hashtable (cpp_reader *, hash_table *);
extern void _cpp_destroy_hashtable (cpp_reader *);
typedef struct _cpp_file _cpp_file;
extern _cpp_file *_cpp_find_file (cpp_reader *, const char *, cpp_dir *,
bool, int);
extern bool _cpp_find_failed (_cpp_file *);
extern void _cpp_mark_file_once_only (cpp_reader *, struct _cpp_file *);
extern void _cpp_fake_include (cpp_reader *, const char *);
extern bool _cpp_stack_file (cpp_reader *, _cpp_file*, bool);
extern bool _cpp_stack_include (cpp_reader *, const char *, int,
enum include_type);
extern int _cpp_compare_file_date (cpp_reader *, const char *, int);
extern void _cpp_report_missing_guards (cpp_reader *);
extern void _cpp_init_files (cpp_reader *);
extern void _cpp_cleanup_files (cpp_reader *);
extern void _cpp_pop_file_buffer (cpp_reader *, struct _cpp_file *);
extern bool _cpp_save_file_entries (cpp_reader *pfile, FILE *f);
extern bool _cpp_read_file_entries (cpp_reader *, FILE *);
extern struct stat *_cpp_get_file_stat (_cpp_file *);
extern bool _cpp_parse_expr (cpp_reader *);
extern struct op *_cpp_expand_op_stack (cpp_reader *);
extern void _cpp_process_line_notes (cpp_reader *, int);
extern void _cpp_clean_line (cpp_reader *);
extern bool _cpp_get_fresh_line (cpp_reader *);
extern bool _cpp_skip_block_comment (cpp_reader *);
extern cpp_token *_cpp_temp_token (cpp_reader *);
extern const cpp_token *_cpp_lex_token (cpp_reader *);
extern cpp_token *_cpp_lex_direct (cpp_reader *);
extern int _cpp_equiv_tokens (const cpp_token *, const cpp_token *);
extern void _cpp_init_tokenrun (tokenrun *, unsigned int);
extern tokenrun *_cpp_next_tokenrun (tokenrun *);
extern void _cpp_maybe_push_include_file (cpp_reader *);
extern int _cpp_test_assertion (cpp_reader *, unsigned int *);
extern int _cpp_handle_directive (cpp_reader *, int);
extern void _cpp_define_builtin (cpp_reader *, const char *);
extern char ** _cpp_save_pragma_names (cpp_reader *);
extern void _cpp_restore_pragma_names (cpp_reader *, char **);
extern void _cpp_do__Pragma (cpp_reader *);
extern void _cpp_init_directives (cpp_reader *);
extern void _cpp_init_internal_pragmas (cpp_reader *);
extern void _cpp_do_file_change (cpp_reader *, enum lc_reason, const char *,
unsigned int, unsigned int);
extern void _cpp_pop_buffer (cpp_reader *);
extern bool _cpp_scan_out_logical_line (cpp_reader *, cpp_macro *);
extern bool _cpp_read_logical_line_trad (cpp_reader *);
extern void _cpp_overlay_buffer (cpp_reader *pfile, const unsigned char *,
size_t);
extern void _cpp_remove_overlay (cpp_reader *);
extern bool _cpp_create_trad_definition (cpp_reader *, cpp_macro *);
extern bool _cpp_expansions_different_trad (const cpp_macro *,
const cpp_macro *);
extern unsigned char *_cpp_copy_replacement_text (const cpp_macro *,
unsigned char *);
extern size_t _cpp_replacement_text_len (const cpp_macro *);
struct normalize_state
{
cppchar_t previous;
unsigned char prev_class;
enum cpp_normalize_level level;
};
#define INITIAL_NORMALIZE_STATE { 0, 0, normalized_KC }
#define NORMALIZE_STATE_RESULT(st) ((st)->level)
#define NORMALIZE_STATE_UPDATE_IDNUM(st) \
((st)->previous = 0, (st)->prev_class = 0)
extern cppchar_t _cpp_valid_ucn (cpp_reader *, const unsigned char **,
const unsigned char *, int,
struct normalize_state *state);
extern void _cpp_destroy_iconv (cpp_reader *);
extern unsigned char *_cpp_convert_input (cpp_reader *, const char *,
unsigned char *, size_t, size_t,
off_t *);
extern const char *_cpp_default_encoding (void);
extern cpp_hashnode * _cpp_interpret_identifier (cpp_reader *pfile,
const unsigned char *id,
size_t len);
#define DSC(str) (const unsigned char *)str, sizeof str - 1
static inline int ustrcmp (const unsigned char *, const unsigned char *);
static inline int ustrncmp (const unsigned char *, const unsigned char *,
size_t);
static inline size_t ustrlen (const unsigned char *);
static inline unsigned char *uxstrdup (const unsigned char *);
static inline unsigned char *ustrchr (const unsigned char *, int);
static inline int ufputs (const unsigned char *, FILE *);
static inline int ustrcspn (const unsigned char *, const char *);
static inline int
ustrcmp (const unsigned char *s1, const unsigned char *s2)
{
return strcmp ((const char *)s1, (const char *)s2);
}
static inline int
ustrncmp (const unsigned char *s1, const unsigned char *s2, size_t n)
{
return strncmp ((const char *)s1, (const char *)s2, n);
}
static inline int
ustrcspn (const unsigned char *s1, const char *s2)
{
return strcspn ((const char *)s1, s2);
}
static inline size_t
ustrlen (const unsigned char *s1)
{
return strlen ((const char *)s1);
}
static inline unsigned char *
uxstrdup (const unsigned char *s1)
{
return (unsigned char *) xstrdup ((const char *)s1);
}
static inline unsigned char *
ustrchr (const unsigned char *s1, int c)
{
return (unsigned char *) strchr ((const char *)s1, c);
}
static inline int
ufputs (const unsigned char *s, FILE *f)
{
return fputs ((const char *)s, f);
}
#endif