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e866619de6
The output can be controlled via --block-dot (not yet documented). The files a named <sourcefile>.<function>.<stage>.dot. Currently, stage will be one of "initial" (after expression to statement conversion), "thread" (after jump threading), "dead" (after dead block removal), "final" (final state before actual code emission).
82 lines
1.9 KiB
C
82 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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*/
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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_alias,
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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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int size; ///< for structures
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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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struct operand_s *alias;
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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, const char *filename);
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#endif//statement_h
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