osprey/kg++fe/gnu/cppexp.c File Reference

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

Include dependency graph for cppexp.c:

Go to the source code of this file.

Data Types
type	op
type	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   (CPP_LAST_CPP_OP + 1)
#define	CPP_UMINUS   (CPP_LAST_CPP_OP + 2)
#define	SYNTAX_ERROR(msgid)   do { cpp_error (pfile, DL_ERROR, msgid); goto syntax_error; } while(0)
#define	SYNTAX_ERROR2(msgid, arg)   do { cpp_error (pfile, DL_ERROR, msgid, arg); goto syntax_error; } while(0)
#define	NO_L_OPERAND   (1 << 0)
#define	LEFT_ASSOC   (1 << 1)
#define	CHECK_PROMOTION   (1 << 2)
Functions/Subroutines
static bool num_positive	PARAMS ((cpp_num, size_t))
static bool num_greater_eq	PARAMS ((cpp_num, cpp_num, size_t))
static cpp_num num_part_mul	PARAMS ((cpp_num_part, cpp_num_part))
static cpp_num num_unary_op	PARAMS ((cpp_reader *, cpp_num, enum cpp_ttype))
static cpp_num num_binary_op	PARAMS ((cpp_reader *, cpp_num, cpp_num, enum cpp_ttype))
static cpp_num num_mul	PARAMS ((cpp_reader *, cpp_num, cpp_num))
static cpp_num num_lshift	PARAMS ((cpp_num, size_t, size_t))
static cpp_num append_digit	PARAMS ((cpp_num, int, int, size_t))
static cpp_num parse_defined	PARAMS ((cpp_reader *))
static cpp_num eval_token	PARAMS ((cpp_reader *, const cpp_token *))
static struct op *reduce	PARAMS ((cpp_reader *, struct op *, enum cpp_ttype))
static unsigned int interpret_float_suffix	PARAMS ((const uchar *, size_t))
static void check_promotion	PARAMS ((cpp_reader *, const struct op *))
static unsigned int	interpret_float_suffix (uchar *s, size_t len) const
static unsigned int	interpret_int_suffix (uchar *s, size_t len) const
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)
static cpp_num	append_digit (cpp_num num, int digit, int base, size_t precision)
static cpp_num	parse_defined (cpp_reader *pfile)
static cpp_num	eval_token (cpp_reader *pfile, const cpp_token *token)
bool	_cpp_parse_expr (cpp_reader *pfile)
static struct op *	reduce (cpp_reader *pfile, struct op *top, enum cpp_ttype op)
struct op *	_cpp_expand_op_stack (cpp_reader *pfile)
static void	check_promotion (cpp_reader *pfile, const struct op *op)
static cpp_num	num_trim (cpp_num num, size_t precision)
static bool	num_positive (cpp_num num, size_t precision)
cpp_num	cpp_num_sign_extend (cpp_num num, size_t precision)
static cpp_num	num_negate (cpp_num num, size_t precision)
static bool	num_greater_eq (cpp_num pa, cpp_num pb, size_t precision)
static cpp_num	num_bitwise_op (pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
static cpp_num	num_inequality_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
static cpp_num	num_equality_op (pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
static cpp_num	num_rshift (cpp_num num, size_t precision, size_t n)
static cpp_num	num_lshift (cpp_num num, size_t precision, size_t n)
static cpp_num	num_unary_op (cpp_reader *pfile, cpp_num num, enum cpp_ttype op)
static cpp_num	num_binary_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
static cpp_num	num_part_mul (cpp_num_part lhs, cpp_num_part rhs)
static cpp_num	num_mul (cpp_reader *pfile, cpp_num lhs, cpp_num rhs)
static cpp_num	num_div_op (cpp_reader *pfile, cpp_num lhs, cpp_num rhs, enum cpp_ttype op)
Variables
static struct operator	optab []

---

Define Documentation

#define CHECK_PROMOTION   (1 << 2)

Definition at line 654 of file cppexp.c.

Referenced by reduce().

#define CPP_UMINUS   (CPP_LAST_CPP_OP + 2)

Definition at line 80 of file cppexp.c.

Referenced by _cpp_parse_expr(), num_unary_op(), and reduce().

#define CPP_UPLUS   (CPP_LAST_CPP_OP + 1)

Definition at line 79 of file cppexp.c.

Referenced by _cpp_parse_expr(), num_unary_op(), and reduce().

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

Definition at line 35 of file cppexp.c.

#define HIGH_PART

(

num_part

)

(num_part >> (PART_PRECISION / 2))

Definition at line 37 of file cppexp.c.

Referenced by num_part_mul().

#define LEFT_ASSOC   (1 << 1)

Definition at line 653 of file cppexp.c.

Referenced by reduce().

#define LOW_PART

(

num_part

)

(num_part & HALF_MASK)

Definition at line 36 of file cppexp.c.

Referenced by num_part_mul().

#define NO_L_OPERAND   (1 << 0)

Definition at line 652 of file cppexp.c.

Referenced by _cpp_parse_expr().

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

Definition at line 48 of file cppexp.c.

Referenced by append_digit(), num_equality_op(), num_inequality_op(), num_lshift(), num_mul(), and num_negate().

#define num_zerop

(

num

)

((num.low | num.high) == 0)

Definition at line 47 of file cppexp.c.

Referenced by _cpp_parse_expr(), num_lshift(), num_mul(), num_negate(), num_unary_op(), and reduce().

#define PART_PRECISION   (sizeof (cpp_num_part) * CHAR_BIT)

Definition at line 34 of file cppexp.c.

Referenced by append_digit(), cpp_interpret_integer(), cpp_num_sign_extend(), eval_token(), num_div_op(), num_lshift(), num_part_mul(), num_positive(), num_rshift(), and num_trim().

#define SYNTAX_ERROR

(

msgid

)

do { cpp_error (pfile, DL_ERROR, msgid); goto syntax_error; } while(0)

Definition at line 84 of file cppexp.c.

Referenced by _cpp_parse_expr(), cpp_classify_number(), and rs6000_pragma_longcall().

#define SYNTAX_ERROR2	(	msgid,
		arg		)	do { cpp_error (pfile, DL_ERROR, msgid, arg); goto syntax_error; } while(0)

Definition at line 86 of file cppexp.c.

Referenced by _cpp_parse_expr(), and cpp_classify_number().

---

Function Documentation

struct op* _cpp_expand_op_stack

(

cpp_reader *

pfile

)

[read]

Definition at line 1007 of file cppexp.c.

Referenced by _cpp_parse_expr().

bool _cpp_parse_expr

(

cpp_reader *

pfile

)

Definition at line 711 of file cppexp.c.

Referenced by do_elif(), and do_if().

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

Definition at line 414 of file cppexp.c.

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

Referenced by cpp_interpret_integer().

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

Definition at line 1023 of file cppexp.c.

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

Referenced by reduce().

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

Definition at line 158 of file cppexp.c.

Referenced by c_lex(), c_lex_with_flags(), and eval_token().

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

Definition at line 325 of file cppexp.c.

Referenced by eval_token(), and interpret_integer().

cpp_num cpp_num_sign_extend	(	cpp_num	num,
		size_t	precision
	)

Definition at line 1083 of file cppexp.c.

Referenced by interpret_integer().

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

Definition at line 537 of file cppexp.c.

References _cpp_test_assertion(), BITS_PER_CPPCHAR_T, cc, cpp_classify_number(), cpp_defined(), cpp_error(), cpp_interpret_charconst(), cpp_interpret_integer(), CPP_N_CATEGORY, CPP_N_FLOATING, CPP_N_IMAGINARY, CPP_N_INTEGER, CPP_N_INVALID, CPP_OPTION, CPP_PEDANTIC, DL_ERROR, DL_PEDWARN, DL_WARNING, DSC, cpp_num::high, cpp_num::low, cpp_token::node, NODE_NAME, num_trim(), cpp_num::overflow, parse_defined(), PART_PRECISION, result, cpp_num::unsignedp, and cpp_token::val.

Referenced by _cpp_parse_expr().

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

Definition at line 93 of file cppexp.c.

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

Referenced by cpp_classify_number().

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

Definition at line 122 of file cppexp.c.

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

Referenced by cpp_classify_number().

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

Definition at line 1348 of file cppexp.c.

References cpp_error(), CPP_OPTION, CPP_PEDANTIC, DL_PEDWARN, cpp_num::high, cpp_num::low, n, num_greater_eq(), num_lshift(), num_negate(), num_positive(), num_rshift(), num_trim(), cpp_num::overflow, result, and cpp_num::unsignedp.

Referenced by num_div_op(), and reduce().

static cpp_num num_bitwise_op	(	pfile	,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			[static]

Definition at line 1153 of file cppexp.c.

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

Referenced by reduce().

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

Definition at line 1516 of file cppexp.c.

References cpp_error(), CPP_OPTION, DL_ERROR, 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, sub, and cpp_num::unsignedp.

Referenced by reduce().

static cpp_num num_equality_op	(	pfile	,
		cpp_num	lhs,
		cpp_num	rhs,
		enum cpp_ttype	op
	)			[static]

Definition at line 1208 of file cppexp.c.

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

Referenced by reduce().

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

Definition at line 1128 of file cppexp.c.

References num_positive().

Referenced by num_binary_op(), num_div_op(), and num_inequality_op().

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

Definition at line 1184 of file cppexp.c.

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

Referenced by reduce().

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

Definition at line 1268 of file cppexp.c.

References num_eq, num_rshift(), num_trim(), num_zerop, and PART_PRECISION.

Referenced by num_binary_op(), and num_div_op().

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

Definition at line 1464 of file cppexp.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.

Referenced by reduce().

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

Definition at line 1109 of file cppexp.c.

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

Referenced by num_binary_op(), num_div_op(), num_mul(), and num_unary_op().

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

Definition at line 1433 of file cppexp.c.

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

Referenced by num_mul().

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

Definition at line 1067 of file cppexp.c.

References PART_PRECISION.

Referenced by check_promotion(), cpp_interpret_integer(), num_binary_op(), num_div_op(), num_greater_eq(), num_mul(), and num_rshift().

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

Definition at line 1226 of file cppexp.c.

References num_positive(), num_trim(), and PART_PRECISION.

Referenced by num_binary_op(), and num_lshift().

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

Definition at line 1045 of file cppexp.c.

References PART_PRECISION.

Referenced by append_digit(), eval_token(), num_binary_op(), num_lshift(), num_mul(), num_negate(), num_rshift(), and num_unary_op().

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

Definition at line 1310 of file cppexp.c.

References cpp_error(), CPP_OPTION, CPP_UMINUS, CPP_UPLUS, CPP_WTRADITIONAL, DL_WARNING, cpp_num::high, cpp_num::low, num_negate(), num_trim(), num_zerop, cpp_num::overflow, and cpp_num::unsignedp.

Referenced by reduce().

static void check_promotion PARAMS

(

(cpp_reader *, const struct op *)

)

[static]

static unsigned int interpret_float_suffix PARAMS

(

(const uchar *, size_t)

)

[static]

static struct op* reduce PARAMS

(

(cpp_reader *, struct op *, enum cpp_ttype)

)

[static, read]

static cpp_num eval_token PARAMS

(

(cpp_reader *, const cpp_token *)

)

[static]

static cpp_num parse_defined PARAMS

(

(cpp_reader *)

)

[static]

static cpp_num append_digit PARAMS

(

(cpp_num, int, int, size_t)

)

[static]

static cpp_num num_lshift PARAMS

(

(cpp_num, size_t, size_t)

)

[static]

static cpp_num num_mul PARAMS

(

(cpp_reader *, cpp_num, cpp_num)

)

[static]

static cpp_num num_binary_op PARAMS

(

(cpp_reader *, cpp_num, cpp_num, enum cpp_ttype)

)

[static]

static cpp_num num_unary_op PARAMS

(

(cpp_reader *, cpp_num, enum cpp_ttype)

)

[static]

static cpp_num num_part_mul PARAMS

(

(cpp_num_part, cpp_num_part)

)

[static]

static bool num_greater_eq PARAMS

(

(cpp_num, cpp_num, size_t)

)

[static]

static bool num_positive PARAMS

(

(cpp_num, size_t)

)

[static]

static cpp_num parse_defined

(

cpp_reader *

pfile

)

[static]

Definition at line 466 of file cppexp.c.

References _cpp_mark_macro_used, cpp_error(), cpp_get_token(), CPP_PEDANTIC, cpp_token_as_text(), DL_ERROR, DL_WARNING, cpp_token::flags, cpp_num::high, cpp_num::low, NAMED_OP, node, cpp_token::node, NT_MACRO, cpp_num::overflow, result, token, cpp_num::unsignedp, and cpp_token::val.

Referenced by eval_token().

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

Definition at line 860 of file cppexp.c.

References check_promotion(), CHECK_PROMOTION, cpp_error(), CPP_LAST_CPP_OP, CPP_OPTION, CPP_UMINUS, CPP_UPLUS, DL_ERROR, DL_ICE, DL_PEDWARN, 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, cpp_num::unsignedp, and op::value.

Referenced by _cpp_parse_expr(), and Simd_Vectorize_Scalar_Reduction().

---

Variable Documentation

struct operator optab[] [static]

Referenced by _cpp_parse_expr(), expand_builtin_int_roundingfn(), expand_builtin_mathfn(), expand_builtin_mathfn_2(), expand_builtin_mathfn_3(), expand_divmod(), expand_expr(), expand_expr_real_1(), expand_increment(), expand_mult_highpart(), expand_mult_highpart_optab(), expand_vector_operations_1(), gimplify_omp_atomic_fetch_op(), gt_ggc_mx_optab(), ix86_expand_int_movcc(), noce_emit_move_insn(), optimize_bitfield_assignment_op(), pj_output_rval(), reduce(), vect_create_epilog_for_reduction(), vect_pattern_recog_1(), vectorizable_operation(), and vectorizable_reduction().