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