optimize.h

PL/0源码

//////////////////////////////////////////////////////////////////////////////
//
//  optimize.[h,cc] -- procedures for AST optimization
//
//  Optimization is minimal.  We detect leaf procedures and procedures with
//  no local vars.  Also, constant expressions are evaluated and some loop
//  elimination is done in the form of hard coding constant conditions.
//

#ifndef OPTIMIZE_H
#define OPTIMIZE_H

extern bool evaluate_consts;

syntax_tree_t *optimize_syntax_tree(syntax_tree_t *node);
//  Optimize the abstract syntax tree

#endif