osprey-gcc-4.2.0/libcpp/expr.c File Reference

#include "config.h"
#include "system.h"
#include "cpplib.h"
#include "internal.h"

Include dependency graph for expr.c:

Define Documentation

#define CHECK_PROMOTION (1 << 2)

Definition at line 646 of file expr.c.

#define CPP_UMINUS ((enum cpp_ttype) (CPP_LAST_CPP_OP + 2))

Definition at line 69 of file expr.c.

#define CPP_UPLUS ((enum cpp_ttype) (CPP_LAST_CPP_OP + 1))

Definition at line 68 of file expr.c.

#define HALF_MASK (~(cpp_num_part) 0 >> (PART_PRECISION / 2))

Definition at line 27 of file expr.c.

#define HIGH_PART ( num_part ) (num_part >> (PART_PRECISION / 2))

Definition at line 29 of file expr.c.

#define LEFT_ASSOC (1 << 1)

Definition at line 645 of file expr.c.

#define LOW_PART ( num_part ) (num_part & HALF_MASK)

Definition at line 28 of file expr.c.

#define NO_L_OPERAND (1 << 0)

Definition at line 644 of file expr.c.

#define num_eq	(	num1,
		num2		)	(num1.low == num2.low && num1.high == num2.high)

Definition at line 40 of file expr.c.

#define num_zerop ( num ) ((num.low | num.high) == 0)

Definition at line 39 of file expr.c.

#define PART_PRECISION (sizeof (cpp_num_part) * CHAR_BIT)

Definition at line 26 of file expr.c.

#define SYNTAX_ERROR ( msgid ) do { cpp_error (pfile, CPP_DL_ERROR, msgid); goto syntax_error; } while(0)

Definition at line 73 of file expr.c.

#define SYNTAX_ERROR2	(	msgid,
		arg		)

Value:

do { cpp_error (pfile, CPP_DL_ERROR, msgid, arg); goto syntax_error; } \
  while(0)

Definition at line 75 of file expr.c.

Function Documentation

struct op* _cpp_expand_op_stack ( cpp_reader * pfile ) [read]

Definition at line 988 of file expr.c.

References cpp_reader::op_limit, cpp_reader::op_stack, size_t, xrealloc(), and XRESIZEVEC.

bool _cpp_parse_expr ( cpp_reader * pfile )

Definition at line 700 of file expr.c.

References _cpp_expand_op_stack(), cpp_token::c, CPP_DL_ICE, cpp_error(), cpp_get_token(), cpp_token_as_text(), CPP_UMINUS, CPP_UPLUS, DL_ICE, eval_token(), operator::flags, ISGRAPH, cpp_reader::mi_ind_cmacro, NO_L_OPERAND, num_zerop, op::op, cpp_reader::op_limit, cpp_reader::op_stack, optab, reduce(), lexer_state::skip_eval, cpp_reader::state, SYNTAX_ERROR, SYNTAX_ERROR2, op::token, top, cpp_token::val, and op::value.

static cpp_num append_digit	(	cpp_num	num,
		int	digit,
		int	base,
		size_t	precision
	)			`[static]`

Definition at line 418 of file expr.c.

References cpp_num::high, cpp_num::low, num_eq, num_trim(), overflow, cpp_num::overflow, PART_PRECISION, result, shift, and cpp_num::unsignedp.

static void check_promotion	(	cpp_reader *	pfile,
		const struct op *	op
	)			`[static]`

Definition at line 1002 of file expr.c.

References CPP_DL_WARNING, cpp_error(), CPP_OPTION, cpp_token_as_text(), num_positive(), op::token, cpp_num::unsignedp, and op::value.

unsigned int cpp_classify_number	(	cpp_reader *	pfile,
		const cpp_token *	token
	)

Definition at line 155 of file expr.c.

References c, CPP_DL_ERROR, CPP_DL_PEDWARN, CPP_DL_WARNING, cpp_error(), CPP_N_DECIMAL, CPP_N_DFLOAT, CPP_N_FLOATING, CPP_N_HEX, CPP_N_IMAGINARY, CPP_N_INTEGER, CPP_N_INVALID, CPP_N_LARGE, CPP_N_OCTAL, CPP_N_SMALL, CPP_N_UNSIGNED, CPP_N_WIDTH, CPP_OPTION, CPP_PEDANTIC, cpp_sys_macro_p(), CPP_WTRADITIONAL, DL_ERROR, DL_PEDWARN, DL_WARNING, hex_value, interpret_float_suffix(), interpret_int_suffix(), ISDIGIT, ISXDIGIT, cpp_string::len, result, str, cpp_token::str, SYNTAX_ERROR, SYNTAX_ERROR2, cpp_string::text, uchar, cpp_token::val, and warn_long_long.

cpp_num cpp_interpret_integer	(	cpp_reader *	pfile,
		const cpp_token *	token,
		unsigned int	type
	)

Definition at line 332 of file expr.c.

References append_digit(), base, c, CPP_DL_PEDWARN, CPP_DL_WARNING, cpp_error(), CPP_N_HEX, CPP_N_OCTAL, CPP_N_RADIX, CPP_N_UNSIGNED, CPP_OPTION, DL_PEDWARN, DL_WARNING, end, hex_value, cpp_num::high, lexer_state::in_directive, ISDIGIT, ISXDIGIT, cpp_string::len, cpp_num::low, max, num_positive(), cpp_num::overflow, overflow, p, PART_PRECISION, result, cpp_reader::state, cpp_token::str, cpp_string::text, uchar, cpp_num::unsignedp, and cpp_token::val.

cpp_num cpp_num_sign_extend	(	cpp_num	num,
		size_t	precision
	)

Definition at line 1056 of file expr.c.

References cpp_num::high, cpp_num::low, PART_PRECISION, and cpp_num::unsignedp.

static cpp_num eval_token	(	cpp_reader *	pfile,
		const cpp_token *	token
	)			`[static]`

static unsigned int interpret_float_suffix	(	const uchar *	s,
		size_t	len
	)			`[static]`

Definition at line 83 of file expr.c.

References CPP_N_DFLOAT, CPP_N_IMAGINARY, CPP_N_LARGE, CPP_N_MEDIUM, CPP_N_SMALL, d, f, and i.

static unsigned int interpret_int_suffix	(	const uchar *	s,
		size_t	len
	)			`[static]`

Definition at line 121 of file expr.c.

References CPP_N_IMAGINARY, CPP_N_LARGE, CPP_N_MEDIUM, CPP_N_SMALL, CPP_N_UNSIGNED, and i.

static cpp_num num_binary_op	(	cpp_reader *	pfile,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			`[static]`

Definition at line 1303 of file expr.c.

References CPP_DL_PEDWARN, cpp_error(), CPP_OPTION, CPP_PEDANTIC, cpp_num::high, cpp_num::low, n, num_lshift(), num_negate(), num_positive(), num_rshift(), num_trim(), cpp_num::overflow, result, lexer_state::skip_eval, cpp_reader::state, and cpp_num::unsignedp.

static cpp_num num_bitwise_op	(	cpp_reader *pfile	ATTRIBUTE_UNUSED,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			`[static]`

Definition at line 1120 of file expr.c.

References cpp_num::high, cpp_num::low, cpp_num::overflow, and cpp_num::unsignedp.

static cpp_num num_bitwise_op	(	cpp_reader *	,
		cpp_num	,
		cpp_num	,
		enum	cpp_ttype
	)			`[static]`

static cpp_num num_div_op	(	cpp_reader *	pfile,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			`[static]`

Definition at line 1450 of file expr.c.

References CPP_DL_ERROR, cpp_error(), CPP_OPTION, cpp_num::high, i, cpp_num::low, negate, num_binary_op(), num_greater_eq(), num_lshift(), num_negate(), num_positive(), cpp_num::overflow, PART_PRECISION, result, lexer_state::skip_eval, cpp_reader::state, sub, and cpp_num::unsignedp.

static cpp_num num_equality_op	(	cpp_reader *pfile	ATTRIBUTE_UNUSED,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			`[static]`

Definition at line 1171 of file expr.c.

References eq, cpp_num::high, cpp_num::low, num_eq, cpp_num::overflow, and cpp_num::unsignedp.

static cpp_num num_equality_op	(	cpp_reader *	,
		cpp_num	,
		cpp_num	,
		enum	cpp_ttype
	)			`[static]`

static bool num_greater_eq	(	cpp_num	pa,
		cpp_num	pb,
		size_t	precision
	)			`[static]`

Definition at line 1097 of file expr.c.

References cpp_num::high, cpp_num::low, num_positive(), and cpp_num::unsignedp.

static cpp_num num_inequality_op	(	cpp_reader *	pfile,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			`[static]`

Definition at line 1149 of file expr.c.

References CPP_OPTION, cpp_num::high, cpp_num::low, num_eq, num_greater_eq(), cpp_num::overflow, and cpp_num::unsignedp.

static cpp_num num_lshift	(	cpp_num	num,
		size_t	precision,
		size_t	n
	)			`[static]`

Definition at line 1228 of file expr.c.

References cpp_num::high, cpp_num::low, num_eq, num_rshift(), num_trim(), num_zerop, cpp_num::overflow, PART_PRECISION, and cpp_num::unsignedp.

static cpp_num num_mul	(	cpp_reader *	pfile,
		cpp_num	lhs,
		cpp_num	rhs
	)			`[static]`

Definition at line 1400 of file expr.c.

References CPP_OPTION, cpp_num::high, cpp_num::low, negate, num_eq, num_negate(), num_part_mul(), num_positive(), num_trim(), num_zerop, overflow, cpp_num::overflow, result, and cpp_num::unsignedp.

static cpp_num num_negate	(	cpp_num	num,
		size_t	precision
	)			`[static]`

Definition at line 1080 of file expr.c.

References copy, cpp_num::high, cpp_num::low, num_eq, num_trim(), num_zerop, cpp_num::overflow, and cpp_num::unsignedp.

static cpp_num num_part_mul	(	cpp_num_part	lhs,
		cpp_num_part	rhs
	)			`[static]`

Definition at line 1369 of file expr.c.

References cpp_num::high, HIGH_PART, cpp_num::low, LOW_PART, cpp_num::overflow, PART_PRECISION, result, and cpp_num::unsignedp.

static bool num_positive	(	cpp_num	num,
		size_t	precision
	)			`[static]`

Definition at line 1042 of file expr.c.

References cpp_num::high, cpp_num::low, and PART_PRECISION.

static cpp_num num_rshift	(	cpp_num	num,
		size_t	precision,
		size_t	n
	)			`[static]`

Definition at line 1187 of file expr.c.

References cpp_num::high, cpp_num::low, num_positive(), num_trim(), cpp_num::overflow, PART_PRECISION, cpp_num::unsignedp, and x.

static cpp_num num_trim	(	cpp_num	num,
		size_t	precision
	)			`[static]`

Definition at line 1022 of file expr.c.

References cpp_num::high, cpp_num::low, and PART_PRECISION.

static cpp_num num_unary_op	(	cpp_reader *	pfile,
		cpp_num	num,
		enum cpp_ttype	op
	)			`[static]`

Definition at line 1268 of file expr.c.

References CPP_DL_WARNING, cpp_error(), CPP_OPTION, CPP_UMINUS, CPP_UPLUS, CPP_WTRADITIONAL, cpp_num::high, cpp_num::low, num_negate(), num_trim(), num_zerop, cpp_num::overflow, lexer_state::skip_eval, cpp_reader::state, and cpp_num::unsignedp.

static cpp_num parse_defined ( cpp_reader * pfile ) [static]

Definition at line 467 of file expr.c.

References _cpp_mark_macro_used, cpp_reader::context, CPP_DL_ERROR, CPP_DL_WARNING, cpp_error(), cpp_get_token(), CPP_PEDANTIC, cpp_token_as_text(), cpp_token::flags, cpp_num::high, cpp_num::low, cpp_reader::mi_ind_cmacro, NAMED_OP, node, cpp_token::node, NT_MACRO, cpp_num::overflow, lexer_state::prevent_expansion, result, cpp_reader::state, token, cpp_num::unsignedp, and cpp_token::val.

static struct op * reduce	(	cpp_reader *	pfile,
		struct op *	top,
		enum cpp_ttype	op
	)			`[static, read]`

Definition at line 846 of file expr.c.

References check_promotion(), CHECK_PROMOTION, CPP_DL_ERROR, CPP_DL_ICE, CPP_DL_PEDWARN, cpp_error(), CPP_LAST_CPP_OP, CPP_OPTION, CPP_UMINUS, CPP_UPLUS, operator::flags, cpp_num::high, LEFT_ASSOC, cpp_num::low, num_binary_op(), num_bitwise_op(), num_div_op(), num_equality_op(), num_inequality_op(), num_mul(), num_unary_op(), num_zerop, op::op, optab, cpp_num::overflow, operator::prio, lexer_state::skip_eval, cpp_reader::state, cpp_num::unsignedp, and op::value.

Variable Documentation

struct cpp_operator optab[] [static]


Data Types
type	op
type	cpp_operator
Defines
#define	PART_PRECISION (sizeof (cpp_num_part) * CHAR_BIT)
#define	HALF_MASK (~(cpp_num_part) 0 >> (PART_PRECISION / 2))
#define	LOW_PART(num_part) (num_part & HALF_MASK)
#define	HIGH_PART(num_part) (num_part >> (PART_PRECISION / 2))
#define	num_zerop(num) ((num.low \| num.high) == 0)
#define	num_eq(num1, num2) (num1.low == num2.low && num1.high == num2.high)
#define	CPP_UPLUS ((enum cpp_ttype) (CPP_LAST_CPP_OP + 1))
#define	CPP_UMINUS ((enum cpp_ttype) (CPP_LAST_CPP_OP + 2))
#define	SYNTAX_ERROR(msgid) do { cpp_error (pfile, CPP_DL_ERROR, msgid); goto syntax_error; } while(0)
#define	SYNTAX_ERROR2(msgid, arg)
#define	NO_L_OPERAND (1 << 0)
#define	LEFT_ASSOC (1 << 1)
#define	CHECK_PROMOTION (1 << 2)
Functions/Subroutines
static bool	num_positive (cpp_num, size_t)
static bool	num_greater_eq (cpp_num, cpp_num, size_t)
static cpp_num	num_trim (cpp_num, size_t)
static cpp_num	num_part_mul (cpp_num_part, cpp_num_part)
static cpp_num	num_unary_op (cpp_reader *, cpp_num, enum cpp_ttype)
static cpp_num	num_binary_op (cpp_reader *, cpp_num, cpp_num, enum cpp_ttype)
static cpp_num	num_negate (cpp_num, size_t)
static cpp_num	num_bitwise_op (cpp_reader *, cpp_num, cpp_num, enum cpp_ttype)
static cpp_num	num_inequality_op (cpp_reader *, cpp_num, cpp_num, enum cpp_ttype)
static cpp_num	num_equality_op (cpp_reader *, cpp_num, cpp_num, enum cpp_ttype)
static cpp_num	num_mul (cpp_reader *, cpp_num, cpp_num)
static cpp_num	num_div_op (cpp_reader *, cpp_num, cpp_num, enum cpp_ttype)
static cpp_num	num_lshift (cpp_num, size_t, size_t)
static cpp_num	num_rshift (cpp_num, size_t, size_t)
static cpp_num	append_digit (cpp_num, int, int, size_t)
static cpp_num	parse_defined (cpp_reader *)
static cpp_num	eval_token (cpp_reader , const cpp_token )
static struct op *	reduce (cpp_reader , struct op , enum cpp_ttype)
static unsigned int	interpret_float_suffix (const uchar *, size_t)
static unsigned int	interpret_int_suffix (const uchar *, size_t)
static void	check_promotion (cpp_reader , const struct op )
unsigned int	cpp_classify_number (cpp_reader pfile, const cpp_token token)
cpp_num	cpp_interpret_integer (cpp_reader pfile, const cpp_token token, unsigned int type)
bool	_cpp_parse_expr (cpp_reader *pfile)
struct op *	_cpp_expand_op_stack (cpp_reader *pfile)
cpp_num	cpp_num_sign_extend (cpp_num num, size_t precision)
static cpp_num	num_bitwise_op (cpp_reader *pfile ATTRIBUTE_UNUSED, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
static cpp_num	num_equality_op (cpp_reader *pfile ATTRIBUTE_UNUSED, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
Variables
static struct cpp_operator	optab []

osprey-gcc-4.2.0/libcpp/expr.c File Reference

Data Types

Defines

Functions/Subroutines

Variables

Define Documentation

Function Documentation

Variable Documentation