/home/stan/gdb/src/gdb/c-lang.c File Reference

#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "parser-defs.h"
#include "language.h"
#include "c-lang.h"
#include "valprint.h"
#include "macroscope.h"
#include "gdb_assert.h"
#include "charset.h"
#include "gdb_string.h"
#include "demangle.h"
#include "cp-abi.h"
#include "cp-support.h"
#include "gdb_obstack.h"
#include <ctype.h>
#include "exceptions.h"
#include "gdbcore.h"

Go to the source code of this file.

Defines
#define	ADVANCE
Enumerations
enum	c_primitive_types {   c_primitive_type_int, c_primitive_type_long, c_primitive_type_short, c_primitive_type_char,   c_primitive_type_float, c_primitive_type_double, c_primitive_type_void, c_primitive_type_long_long,   c_primitive_type_signed_char, c_primitive_type_unsigned_char, c_primitive_type_unsigned_short, c_primitive_type_unsigned_int,   c_primitive_type_unsigned_long, c_primitive_type_unsigned_long_long, c_primitive_type_long_double, c_primitive_type_complex,   c_primitive_type_double_complex, c_primitive_type_decfloat, c_primitive_type_decdouble, c_primitive_type_declong,   nr_c_primitive_types }
enum	cplus_primitive_types {   cplus_primitive_type_int, cplus_primitive_type_long, cplus_primitive_type_short, cplus_primitive_type_char,   cplus_primitive_type_float, cplus_primitive_type_double, cplus_primitive_type_void, cplus_primitive_type_long_long,   cplus_primitive_type_signed_char, cplus_primitive_type_unsigned_char, cplus_primitive_type_unsigned_short, cplus_primitive_type_unsigned_int,   cplus_primitive_type_unsigned_long, cplus_primitive_type_unsigned_long_long, cplus_primitive_type_long_double, cplus_primitive_type_complex,   cplus_primitive_type_double_complex, cplus_primitive_type_bool, cplus_primitive_type_decfloat, cplus_primitive_type_decdouble,   cplus_primitive_type_declong, nr_cplus_primitive_types }
Functions
void	_initialize_c_language (void)
static const char *	charset_for_string_type (enum c_string_type str_type, struct gdbarch *gdbarch)
static enum c_string_type	classify_type (struct type *elttype, struct gdbarch *gdbarch, const char **encoding)
void	c_emit_char (int c, struct type *type, struct ui_file *stream, int quoter)
void	c_printchar (int c, struct type *type, struct ui_file *stream)
void	c_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string, unsigned int length, const char *user_encoding, int force_ellipses, const struct value_print_options *options)
void	c_get_string (struct value *value, gdb_byte **buffer, int *length, struct type **char_type, const char **charset)
static char *	convert_ucn (char *p, char *limit, const char *dest_charset, struct obstack *output, int length)
static void	emit_numeric_character (struct type *type, unsigned long value, struct obstack *output)
static char *	convert_octal (struct type *type, char *p, char *limit, struct obstack *output)
static char *	convert_hex (struct type *type, char *p, char *limit, struct obstack *output)
static char *	convert_escape (struct type *type, const char *dest_charset, char *p, char *limit, struct obstack *output)
static void	parse_one_string (struct obstack *output, char *data, int len, const char *dest_charset, struct type *type)
struct value *	evaluate_subexp_c (struct type *expect_type, struct expression *exp, int *pos, enum noside noside)
void	c_language_arch_info (struct gdbarch *gdbarch, struct language_arch_info *lai)
static void	cplus_language_arch_info (struct gdbarch *gdbarch, struct language_arch_info *lai)
Variables
struct op_print	c_op_print_tab []
struct exp_descriptor	exp_descriptor_c
struct language_defn	c_language_defn
struct language_defn	cplus_language_defn
struct language_defn	asm_language_defn
struct language_defn	minimal_language_defn

---

Define Documentation

#define ADVANCE

Value:

do {                                            \
    ++p;                                        \
    if (p == limit)                             \
      error (_("Malformed escape sequence"));   \
  } while (0)

Definition at line 450 of file c-lang.c.

Referenced by convert_escape().

---

Enumeration Type Documentation

enum c_primitive_types

Enumerator:

c_primitive_type_int
c_primitive_type_long
c_primitive_type_short
c_primitive_type_char
c_primitive_type_float
c_primitive_type_double
c_primitive_type_void
c_primitive_type_long_long
c_primitive_type_signed_char
c_primitive_type_unsigned_char
c_primitive_type_unsigned_short
c_primitive_type_unsigned_int
c_primitive_type_unsigned_long
c_primitive_type_unsigned_long_long
c_primitive_type_long_double
c_primitive_type_complex
c_primitive_type_double_complex
c_primitive_type_decfloat
c_primitive_type_decdouble
c_primitive_type_declong
nr_c_primitive_types

Definition at line 743 of file c-lang.c.

enum cplus_primitive_types

Enumerator:

cplus_primitive_type_int
cplus_primitive_type_long
cplus_primitive_type_short
cplus_primitive_type_char
cplus_primitive_type_float
cplus_primitive_type_double
cplus_primitive_type_void
cplus_primitive_type_long_long
cplus_primitive_type_signed_char
cplus_primitive_type_unsigned_char
cplus_primitive_type_unsigned_short
cplus_primitive_type_unsigned_int
cplus_primitive_type_unsigned_long
cplus_primitive_type_unsigned_long_long
cplus_primitive_type_long_double
cplus_primitive_type_complex
cplus_primitive_type_double_complex
cplus_primitive_type_bool
cplus_primitive_type_decfloat
cplus_primitive_type_decdouble
cplus_primitive_type_declong
nr_cplus_primitive_types

Definition at line 852 of file c-lang.c.

---

Function Documentation

void _initialize_c_language

(

void

)

void c_emit_char	(	int	c,
		struct type *	type,
		struct ui_file *	stream,
		int	quoter
	)

Definition at line 148 of file c-lang.c.

References classify_type(), encoding, generic_emit_char(), and get_type_arch().

void c_get_string	(	struct value *	value,
		gdb_byte **	buffer,
		int *	length,
		struct type **	char_type,
		const char **	charset
	)

Definition at line 237 of file c-lang.c.

References _, c_textual_element_type(), check_typedef(), classify_type(), error(), extract_unsigned_integer(), gdbarch_byte_order(), get_discrete_bounds(), get_type_arch(), type::length, LONGEST, lval_internalvar, make_cleanup(), memcpy(), memory_error(), not_lval, read_string(), TYPE_CODE, TYPE_CODE_ARRAY, TYPE_CODE_PTR, TYPE_CODE_RANGE, TYPE_FIELD_TYPE, TYPE_LENGTH, TYPE_NFIELDS, TYPE_TARGET_TYPE, type_to_string(), value_as_address(), value_contents(), VALUE_LVAL, value_type(), xfree(), and xmalloc().

void c_language_arch_info	(	struct gdbarch *	gdbarch,
		struct language_arch_info *	lai
	)

Definition at line 768 of file c-lang.c.

References language_arch_info::bool_type_default, builtin_type::builtin_char, builtin_type::builtin_complex, builtin_type::builtin_decdouble, builtin_type::builtin_decfloat, builtin_type::builtin_declong, builtin_type::builtin_double, builtin_type::builtin_double_complex, builtin_type::builtin_float, builtin_type::builtin_int, builtin_type::builtin_long, builtin_type::builtin_long_double, builtin_type::builtin_long_long, builtin_type::builtin_short, builtin_type::builtin_signed_char, builtin_type(), builtin_type::builtin_unsigned_char, builtin_type::builtin_unsigned_int, builtin_type::builtin_unsigned_long, builtin_type::builtin_unsigned_long_long, builtin_type::builtin_unsigned_short, builtin_type::builtin_void, c_primitive_type_char, c_primitive_type_complex, c_primitive_type_decdouble, c_primitive_type_decfloat, c_primitive_type_declong, c_primitive_type_double, c_primitive_type_double_complex, c_primitive_type_float, c_primitive_type_int, c_primitive_type_long, c_primitive_type_long_double, c_primitive_type_long_long, c_primitive_type_short, c_primitive_type_signed_char, c_primitive_type_unsigned_char, c_primitive_type_unsigned_int, c_primitive_type_unsigned_long, c_primitive_type_unsigned_long_long, c_primitive_type_unsigned_short, c_primitive_type_void, GDBARCH_OBSTACK_CALLOC, nr_c_primitive_types, language_arch_info::primitive_type_vector, and language_arch_info::string_char_type.

void c_printchar	(	int	c,
		struct type *	type,
		struct ui_file *	stream
	)

Definition at line 158 of file c-lang.c.

References C_CHAR, C_CHAR_16, C_CHAR_32, C_WIDE_CHAR, classify_type(), fputc_filtered(), get_type_arch(), and LA_EMIT_CHAR.

Referenced by dwarf2_compute_name().

void c_printstr	(	struct ui_file *	stream,
		struct type *	type,
		const gdb_byte *	string,
		unsigned int	length,
		const char *	user_encoding,
		int	force_ellipses,
		const struct value_print_options *	options
	)

Definition at line 191 of file c-lang.c.

References C_CHAR, C_STRING, C_STRING_16, C_STRING_32, C_WIDE_STRING, classify_type(), encoding, fputs_filtered(), generic_printstr(), and get_type_arch().

static const char* charset_for_string_type	(	enum c_string_type	str_type,
		struct gdbarch *	gdbarch
	)		[static]

Definition at line 46 of file c-lang.c.

References _, C_CHAR, C_STRING, C_STRING_16, C_STRING_32, C_WIDE_STRING, gdbarch_byte_order(), internal_error(), target_charset(), and target_wide_charset().

Referenced by classify_type(), and evaluate_subexp_c().

static enum c_string_type classify_type	(	struct type *	elttype,
		struct gdbarch *	gdbarch,
		const char **	encoding
	)		[static]

Definition at line 78 of file c-lang.c.

References C_CHAR, C_CHAR_16, C_CHAR_32, C_WIDE_CHAR, charset_for_string_type(), check_typedef(), CHECK_TYPEDEF, name, TYPE_CODE, TYPE_CODE_CHAR, TYPE_CODE_TYPEDEF, TYPE_NAME, and TYPE_TARGET_TYPE.

Referenced by c_emit_char(), c_get_string(), c_printchar(), and c_printstr().

static char* convert_escape	(	struct type *	type,
		const char *	dest_charset,
		char *	p,
		char *	limit,
		struct obstack *	output
	)		[static]

Definition at line 465 of file c-lang.c.

References _, ADVANCE, convert_hex(), convert_octal(), convert_ucn(), error(), and type::length.

Referenced by parse_one_string().

static char* convert_hex	(	struct type *	type,
		char *	p,
		char *	limit,
		struct obstack *	output
	)		[static]

Definition at line 434 of file c-lang.c.

References emit_numeric_character(), and host_hex_value().

Referenced by convert_escape().

static char* convert_octal	(	struct type *	type,
		char *	p,
		char *	limit,
		struct obstack *	output
	)		[static]

Definition at line 409 of file c-lang.c.

References emit_numeric_character(), and host_hex_value().

Referenced by convert_escape().

static char* convert_ucn	(	char *	p,
		char *	limit,
		const char *	dest_charset,
		struct obstack *	output,
		int	length
	)		[static]

Definition at line 367 of file c-lang.c.

References convert_between_encodings(), host_hex_value(), and translit_none.

Referenced by convert_escape().

static void cplus_language_arch_info	(	struct gdbarch *	gdbarch,
		struct language_arch_info *	lai
	)		[static]

Definition at line 878 of file c-lang.c.

References language_arch_info::bool_type_default, language_arch_info::bool_type_symbol, builtin_type::builtin_bool, builtin_type::builtin_char, builtin_type::builtin_complex, builtin_type::builtin_decdouble, builtin_type::builtin_decfloat, builtin_type::builtin_declong, builtin_type::builtin_double, builtin_type::builtin_double_complex, builtin_type::builtin_float, builtin_type::builtin_int, builtin_type::builtin_long, builtin_type::builtin_long_double, builtin_type::builtin_long_long, builtin_type::builtin_short, builtin_type::builtin_signed_char, builtin_type(), builtin_type::builtin_unsigned_char, builtin_type::builtin_unsigned_int, builtin_type::builtin_unsigned_long, builtin_type::builtin_unsigned_long_long, builtin_type::builtin_unsigned_short, builtin_type::builtin_void, cplus_primitive_type_bool, cplus_primitive_type_char, cplus_primitive_type_complex, cplus_primitive_type_decdouble, cplus_primitive_type_decfloat, cplus_primitive_type_declong, cplus_primitive_type_double, cplus_primitive_type_double_complex, cplus_primitive_type_float, cplus_primitive_type_int, cplus_primitive_type_long, cplus_primitive_type_long_double, cplus_primitive_type_long_long, cplus_primitive_type_short, cplus_primitive_type_signed_char, cplus_primitive_type_unsigned_char, cplus_primitive_type_unsigned_int, cplus_primitive_type_unsigned_long, cplus_primitive_type_unsigned_long_long, cplus_primitive_type_unsigned_short, cplus_primitive_type_void, GDBARCH_OBSTACK_CALLOC, nr_cplus_primitive_types, language_arch_info::primitive_type_vector, and language_arch_info::string_char_type.

static void emit_numeric_character	(	struct type *	type,
		unsigned long	value,
		struct obstack *	output
	)		[static]

Definition at line 393 of file c-lang.c.

References pack_long(), and TYPE_LENGTH.

Referenced by convert_hex(), and convert_octal().

struct value* evaluate_subexp_c	(	struct type *	expect_type,
		struct expression *	exp,
		int *	pos,
		enum noside noside
	)		[read]

Definition at line 549 of file c-lang.c.

References _, allocate_value(), BYTES_TO_EXP_ELEM, C_CHAR, C_STRING, C_STRING_16, C_STRING_32, C_WIDE_STRING, charset_for_string_type(), check_typedef(), do_cleanups(), expression::elts, error(), EVAL_SKIP, evaluate_subexp_standard(), expression::gdbarch, get_discrete_bounds(), internal_error(), expression::language_defn, language_string_char_type(), len, exp_element::longconst, LONGEST, longest_to_int(), lookup_typename(), make_cleanup_obstack_free(), memcpy(), exp_element::opcode, parse_one_string(), exp_element::string, type, TYPE_CODE, TYPE_CODE_ARRAY, TYPE_CODE_CHAR, TYPE_CODE_INT, TYPE_INDEX_TYPE, TYPE_LENGTH, TYPE_TARGET_TYPE, unpack_long(), value_contents_raw(), value_cstring(), and value_from_longest().

Referenced by evaluate_subexp_opencl().

static void parse_one_string	(	struct obstack *	output,
		char *	data,
		int	len,
		const char *	dest_charset,
		struct type *	type
	)		[static]

Definition at line 518 of file c-lang.c.

References convert_between_encodings(), convert_escape(), host_charset(), len, p, and translit_none.

Referenced by evaluate_subexp_c().

---

Variable Documentation

struct language_defn asm_language_defn

Definition at line 975 of file c-lang.c.

struct language_defn c_language_defn

Definition at line 811 of file c-lang.c.

struct op_print c_op_print_tab[]

Definition at line 708 of file c-lang.c.

struct language_defn cplus_language_defn

Definition at line 934 of file c-lang.c.

struct exp_descriptor exp_descriptor_c

Initial value:

 
{
  print_subexp_standard,
  operator_length_standard,
  operator_check_standard,
  op_name_standard,
  dump_subexp_body_standard,
  evaluate_subexp_c
}

Definition at line 801 of file c-lang.c.

struct language_defn minimal_language_defn

Definition at line 1021 of file c-lang.c.