quakeforge/tools/qfcc/include/statements.h

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/*
statement.h
Internal statements
Copyright (C) 2011 Bill Currie <bill@taniwha.org>
Author: Bill Currie <bill@taniwha.org>
Date: 2011/01/18
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef statement_h
#define statement_h
typedef enum {
op_symbol,
op_value,
op_label,
op_temp,
op_pointer,
op_alias,
} op_type_e;
typedef struct operand_s {
struct operand_s *next;
op_type_e op_type;
etype_t type; ///< possibly override symbol's type
int size; ///< for structures
union {
struct symbol_s *symbol;
struct ex_value_s *value;
struct ex_label_s *label;
struct ex_pointer_s *pointer;
struct def_s *def;
struct operand_s *alias;
} o;
} operand_t;
typedef struct statement_s {
struct statement_s *next;
const char *opcode;
operand_t *opa;
operand_t *opb;
operand_t *opc;
struct expr_s *expr; ///< source expression for this statement
} statement_t;
typedef struct sblock_s {
struct sblock_s *next;
struct reloc_s *relocs;
struct ex_label_s *labels;
int offset; ///< offset of first statement of block
int reachable;
statement_t *statements;
statement_t **tail;
} sblock_t;
struct expr_s;
sblock_t *make_statements (struct expr_s *expr);
void print_statement (statement_t *s);
void print_flow (sblock_t *sblock);
#endif//statement_h