/home/stan/gdb/src/gdb/macroexp.c File Reference

#include "defs.h"
#include "gdb_obstack.h"
#include "bcache.h"
#include "macrotab.h"
#include "macroexp.h"
#include "gdb_assert.h"
#include "c-lang.h"

Go to the source code of this file.

Classes
struct	macro_buffer
struct	macro_name_list
Functions
static void	init_buffer (struct macro_buffer *b, int n)
static void	init_shared_buffer (struct macro_buffer *buf, char *addr, int len)
static void	free_buffer (struct macro_buffer *b)
static char *	free_buffer_return_text (struct macro_buffer *b)
static void	cleanup_macro_buffer (void *untyped_buf)
static void	resize_buffer (struct macro_buffer *b, int n)
static void	appendc (struct macro_buffer *b, int c)
static void	appendmem (struct macro_buffer *b, char *addr, int len)
int	macro_is_whitespace (int c)
int	macro_is_digit (int c)
int	macro_is_identifier_nondigit (int c)
static void	set_token (struct macro_buffer *tok, char *start, char *end)
static int	get_comment (struct macro_buffer *tok, char *p, char *end)
static int	get_identifier (struct macro_buffer *tok, char *p, char *end)
static int	get_pp_number (struct macro_buffer *tok, char *p, char *end)
static int	get_character_constant (struct macro_buffer *tok, char *p, char *end)
static int	get_string_literal (struct macro_buffer *tok, char *p, char *end)
static int	get_punctuator (struct macro_buffer *tok, char *p, char *end)
static int	get_token (struct macro_buffer *tok, struct macro_buffer *src)
static void	append_tokens_without_splicing (struct macro_buffer *dest, struct macro_buffer *src)
static void	stringify (struct macro_buffer *dest, const char *arg, int len)
char *	macro_stringify (const char *str)
static int	currently_rescanning (struct macro_name_list *list, const char *name)
static struct macro_buffer *	gather_arguments (const char *name, struct macro_buffer *src, int nargs, int *argc_p)
static void	scan (struct macro_buffer *dest, struct macro_buffer *src, struct macro_name_list *no_loop, macro_lookup_ftype *lookup_func, void *lookup_baton)
static int	find_parameter (const struct macro_buffer *tok, int is_varargs, const struct macro_buffer *va_arg_name, int argc, const char *const *argv)
static void	substitute_args (struct macro_buffer *dest, struct macro_definition *def, int is_varargs, const struct macro_buffer *va_arg_name, int argc, struct macro_buffer *argv, struct macro_name_list *no_loop, macro_lookup_ftype *lookup_func, void *lookup_baton)
static int	expand (const char *id, struct macro_definition *def, struct macro_buffer *dest, struct macro_buffer *src, struct macro_name_list *no_loop, macro_lookup_ftype *lookup_func, void *lookup_baton)
static int	maybe_expand (struct macro_buffer *dest, struct macro_buffer *src_first, struct macro_buffer *src_rest, struct macro_name_list *no_loop, macro_lookup_ftype *lookup_func, void *lookup_baton)
char *	macro_expand (const char *source, macro_lookup_ftype *lookup_func, void *lookup_func_baton)
char *	macro_expand_once (const char *source, macro_lookup_ftype *lookup_func, void *lookup_func_baton)
char *	macro_expand_next (const char **lexptr, macro_lookup_ftype *lookup_func, void *lookup_baton)

---

Function Documentation

static void append_tokens_without_splicing	(	struct macro_buffer *	dest,
		struct macro_buffer *	src
	)		[static]

Definition at line 585 of file macroexp.c.

References _, appendc(), appendmem(), gdb_assert, get_token(), init_shared_buffer(), internal_error(), macro_buffer::last_token, macro_buffer::len, and macro_buffer::text.

Referenced by scan(), and substitute_args().

static void appendc	(	struct macro_buffer *	b,
		int	c
	)		[static]

Definition at line 156 of file macroexp.c.

References macro_buffer::len, resize_buffer(), macro_buffer::size, and macro_buffer::text.

Referenced by append_tokens_without_splicing(), macro_expand(), macro_expand_next(), macro_stringify(), and stringify().

static void appendmem	(	struct macro_buffer *	b,
		char *	addr,
		int	len
	)		[static]

Definition at line 170 of file macroexp.c.

References macro_buffer::len, len, memcpy(), resize_buffer(), macro_buffer::size, and macro_buffer::text.

Referenced by append_tokens_without_splicing(), scan(), and substitute_args().

static void cleanup_macro_buffer

(

void *

untyped_buf

)

[static]

Definition at line 130 of file macroexp.c.

References free_buffer().

Referenced by expand(), macro_expand(), and macro_expand_next().

static int currently_rescanning	(	struct macro_name_list *	list,
		const char *	name
	)		[static]

Definition at line 738 of file macroexp.c.

References macro_name_list::name, and macro_name_list::next.

Referenced by maybe_expand().

static int expand	(	const char *	id,
		struct macro_definition *	def,
		struct macro_buffer *	dest,
		struct macro_buffer *	src,
		struct macro_name_list *	no_loop,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_baton
	)		[static]

Definition at line 1179 of file macroexp.c.

References _, macro_definition::argc, macro_definition::argv, cleanup_macro_buffer(), do_cleanups(), error(), free_current_contents(), gather_arguments(), init_buffer(), init_shared_buffer(), internal_error(), macro_buffer::len, len, macro_function_like, macro_object_like, make_cleanup(), macro_name_list::name, macro_name_list::next, null_cleanup(), macro_definition::replacement, scan(), substitute_args(), and macro_buffer::text.

Referenced by maybe_expand().

static int find_parameter	(	const struct macro_buffer *	tok,
		int	is_varargs,
		const struct macro_buffer *	va_arg_name,
		int	argc,
		const char *const *	argv
	)		[static]

Definition at line 924 of file macroexp.c.

References macro_buffer::is_identifier, macro_buffer::len, memcmp(), and macro_buffer::text.

Referenced by substitute_args().

static void free_buffer

(

struct macro_buffer *

b

)

[static]

Definition at line 109 of file macroexp.c.

References gdb_assert, macro_buffer::shared, macro_buffer::size, macro_buffer::text, and xfree().

Referenced by cleanup_macro_buffer().

static char* free_buffer_return_text

(

struct macro_buffer *

b

)

[static]

Definition at line 120 of file macroexp.c.

References gdb_assert, macro_buffer::shared, macro_buffer::size, and macro_buffer::text.

Referenced by macro_stringify().

static struct macro_buffer* gather_arguments	(	const char *	name,
		struct macro_buffer *	src,
		int	nargs,
		int *	argc_p
	)		[static, read]

Definition at line 788 of file macroexp.c.

References _, discard_cleanups(), error(), free_current_contents(), get_token(), init_shared_buffer(), macro_buffer::last_token, macro_buffer::len, make_cleanup(), set_token(), macro_buffer::text, xmalloc(), and xrealloc().

Referenced by expand().

static int get_character_constant	(	struct macro_buffer *	tok,
		char *	p,
		char *	end
	)		[static]

Definition at line 328 of file macroexp.c.

References _, c_parse_escape(), error(), gdb_assert_not_reached, and set_token().

Referenced by get_token().

static int get_comment	(	struct macro_buffer *	tok,
		char *	p,
		char *	end
	)		[static]

Definition at line 225 of file macroexp.c.

References _, error(), and set_token().

Referenced by get_token().

static int get_identifier	(	struct macro_buffer *	tok,
		char *	p,
		char *	end
	)		[static]

Definition at line 267 of file macroexp.c.

References macro_buffer::is_identifier, macro_is_digit(), macro_is_identifier_nondigit(), and set_token().

Referenced by get_token().

static int get_pp_number	(	struct macro_buffer *	tok,
		char *	p,
		char *	end
	)		[static]

Definition at line 289 of file macroexp.c.

References macro_is_digit(), macro_is_identifier_nondigit(), set_token(), and strchr().

Referenced by get_token().

static int get_punctuator	(	struct macro_buffer *	tok,
		char *	p,
		char *	end
	)		[static]

Definition at line 439 of file macroexp.c.

References len, memcmp(), and set_token().

Referenced by get_token().

static int get_string_literal	(	struct macro_buffer *	tok,
		char *	p,
		char *	end
	)		[static]

Definition at line 389 of file macroexp.c.

References _, c_parse_escape(), error(), gdb_assert_not_reached, and set_token().

Referenced by get_token().

static int get_token	(	struct macro_buffer *	tok,
		struct macro_buffer *	src
	)		[static]

Definition at line 500 of file macroexp.c.

References gdb_assert, get_character_constant(), get_comment(), get_identifier(), get_pp_number(), get_punctuator(), get_string_literal(), macro_buffer::len, macro_is_whitespace(), p, set_token(), macro_buffer::shared, and macro_buffer::text.

Referenced by append_tokens_without_splicing(), gather_arguments(), macro_expand_next(), scan(), and substitute_args().

static void init_buffer	(	struct macro_buffer *	b,
		int	n
	)		[static]

Definition at line 81 of file macroexp.c.

References macro_buffer::last_token, macro_buffer::len, macro_buffer::shared, macro_buffer::size, macro_buffer::text, and xmalloc().

Referenced by expand(), macro_expand(), macro_expand_next(), and macro_stringify().

static void init_shared_buffer	(	struct macro_buffer *	buf,
		char *	addr,
		int	len
	)		[static]

Definition at line 97 of file macroexp.c.

References macro_buffer::last_token, macro_buffer::len, len, macro_buffer::shared, macro_buffer::size, and macro_buffer::text.

Referenced by append_tokens_without_splicing(), expand(), gather_arguments(), macro_expand(), macro_expand_next(), set_token(), and substitute_args().

char* macro_expand	(	const char *	source,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_func_baton
	)

Definition at line 1411 of file macroexp.c.

References appendc(), cleanup_macro_buffer(), discard_cleanups(), init_buffer(), init_shared_buffer(), macro_buffer::last_token, make_cleanup(), scan(), and macro_buffer::text.

Referenced by macro_expand_command().

char* macro_expand_next	(	const char **	lexptr,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_baton
	)

Definition at line 1443 of file macroexp.c.

References appendc(), cleanup_macro_buffer(), discard_cleanups(), do_cleanups(), get_token(), init_buffer(), init_shared_buffer(), macro_buffer::last_token, make_cleanup(), maybe_expand(), and macro_buffer::text.

Referenced by lex_one_token().

char* macro_expand_once	(	const char *	source,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_func_baton
	)

Definition at line 1434 of file macroexp.c.

References _, and error().

Referenced by macro_expand_once_command().

int macro_is_digit

(

int

c

)

Definition at line 198 of file macroexp.c.

Referenced by extract_identifier(), get_identifier(), and get_pp_number().

int macro_is_identifier_nondigit

(

int

c

)

Definition at line 205 of file macroexp.c.

Referenced by extract_identifier(), get_identifier(), and get_pp_number().

int macro_is_whitespace

(

int

c

)

Definition at line 187 of file macroexp.c.

Referenced by get_token(), skip_ws(), and stringify().

char* macro_stringify

(

const char *

str

)

Definition at line 703 of file macroexp.c.

References appendc(), free_buffer_return_text(), init_buffer(), len, and stringify().

Referenced by fixup_definition().

static int maybe_expand	(	struct macro_buffer *	dest,
		struct macro_buffer *	src_first,
		struct macro_buffer *	src_rest,
		struct macro_name_list *	no_loop,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_baton
	)		[static]

Definition at line 1318 of file macroexp.c.

References currently_rescanning(), do_cleanups(), expand(), gdb_assert, macro_buffer::is_identifier, macro_buffer::len, make_cleanup(), memcpy(), macro_buffer::shared, macro_buffer::text, xfree(), and xmalloc().

Referenced by macro_expand_next(), and scan().

static void resize_buffer	(	struct macro_buffer *	b,
		int	n
	)		[static]

Definition at line 139 of file macroexp.c.

References gdb_assert, macro_buffer::shared, macro_buffer::size, macro_buffer::text, and xrealloc().

Referenced by appendc(), and appendmem().

static void scan	(	struct macro_buffer *	dest,
		struct macro_buffer *	src,
		struct macro_name_list *	no_loop,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_baton
	)		[static]

Definition at line 1368 of file macroexp.c.

References append_tokens_without_splicing(), appendmem(), gdb_assert, get_token(), macro_buffer::last_token, macro_buffer::len, maybe_expand(), macro_buffer::shared, and macro_buffer::text.

Referenced by attach_fields_to_type(), expand(), find_toplevel_char(), gnu_write_inferior(), int_to_threadref(), longlong_hexchars(), macro_expand(), remove_qualifiers(), skip_quoted_chars(), substitute_args(), and threadref_to_int().

static void set_token	(	struct macro_buffer *	tok,
		char *	start,
		char *	end
	)		[static]

Definition at line 214 of file macroexp.c.

References init_shared_buffer(), macro_buffer::is_identifier, and macro_buffer::last_token.

Referenced by gather_arguments(), get_character_constant(), get_comment(), get_identifier(), get_pp_number(), get_punctuator(), get_string_literal(), and get_token().

static void stringify	(	struct macro_buffer *	dest,
		const char *	arg,
		int	len
	)		[static]

Definition at line 657 of file macroexp.c.

References appendc(), macro_buffer::last_token, macro_buffer::len, len, and macro_is_whitespace().

Referenced by macro_stringify(), and substitute_args().

static void substitute_args	(	struct macro_buffer *	dest,
		struct macro_definition *	def,
		int	is_varargs,
		const struct macro_buffer *	va_arg_name,
		int	argc,
		struct macro_buffer *	argv,
		struct macro_name_list *	no_loop,
		macro_lookup_ftype *	lookup_func,
		void *	lookup_baton
	)		[static]

Definition at line 961 of file macroexp.c.

References _, append_tokens_without_splicing(), appendmem(), macro_definition::argc, macro_definition::argv, error(), find_parameter(), gdb_assert, get_token(), init_shared_buffer(), macro_buffer::last_token, macro_buffer::len, len, memcmp(), macro_definition::replacement, scan(), stringify(), and macro_buffer::text.

Referenced by expand().