4 #define TREENULL (struct treenode *)NULL
5 #define TREESIZE (sizeof(struct treenode))
6 #define TREECAST struct treenode *
9 typedef struct burm_state *STATEPTR_TYPE;
13 O_RET=1, O_NULL, O_SUB, O_MUL,
14 O_OR=5, O_LESS, O_EQ, O_ID, O_ADD,
15 O_NUM=10, O_FIELD, O_MTWO, O_MFOUR, O_MEIGHT,
16 O_MONE=15, O_ASSIGN, O_IF, O_BOOL, O_CALL,
17 O_ARG=20, O_NOTHING, O_EXPR
20 static char *o_names[] = {
21 "", "O_RET", "O_NULL", "O_SUB", "O_MUL",
22 "O_OR", "O_LESS", "O_EQ", "O_ID", "O_ADD",
23 "O_NUM", "O_FIELD", "O_MTWO", "O_MFOUR", "O_MEIGHT",
24 "O_MONE", "O_ASSIGN", "O_IF", "O_BOOL", "O_CALL",
25 "O_ARG", "O_NOTHING", "O_EXPR"
30 struct treenode *kids[2];
35 struct treenode *parent;
43 typedef struct treenode *treenodep;
45 #define NODEPTR_TYPE treenodep
46 #define OP_LABEL(p) ((p)->op)
47 #define LEFT_CHILD(p) ((p)->kids[0])
48 #define RIGHT_CHILD(p) ((p)->kids[1])
49 #define STATE_LABEL(p) ((p)->label)
52 struct treenode *new_node(int op, struct treenode *l, struct treenode *r);
53 struct treenode *new_number(long val);
54 struct treenode *new_param(int op, char *name, struct treenode *l, struct treenode *r, int param_index);
55 struct treenode *new_field(char *name, struct treenode *l, struct treenode *r, int soffset);
56 struct treenode *new_call(char *name, struct treenode *l, struct treenode *r, int paramges, int vars);
57 struct treenode *new_arg(struct treenode *l, struct treenode *r, int soffset);
58 struct treenode *new_nothing(void);
59 void write_tree(struct treenode *node, int ident);
60 void just_calls(struct treenode *node);