diff options
Diffstat (limited to 'tree.h')
-rw-r--r-- | tree.h | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -0,0 +1,27 @@ +#ifndef TREE_H +#define TREE_H + +typedef struct parse_tree { + int type; + union { + int ival; /* NUM */ + float rval; /* RNUM */ + char *sval; /* ID */ + int opval; /* RELOP: LT LE GT GE EQ NE + ADDOP: PLUS MINUS OR + MULOP: MUL DIV + */ + } attr; + struct parse_tree *l, *r; +} ptree; + +void aux_tree_print(ptree*, int); +void print_tree(ptree*); + +ptree* mktree(int, ptree*, ptree*); +ptree* mkid(char*); +ptree* mkinum(int); +ptree* mkrnum(float); +ptree* mkop(int, int, ptree*, ptree*); + +#endif |