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#ifndef TREE_H
#define TREE_H
#include <stdlib.h>
typedef struct TREE {
enum TREE_TYPE {
TREE_TYPE_LINT,
TREE_TYPE_LSTR,
TREE_TYPE_TAG,
TREE_TYPE_DARG,
TREE_TYPE_CARG,
TREE_TYPE_DEF,
TREE_TYPE_CAL,
} type;
union TREE_DATA{
/* literal integer */
struct TREE_DATA_LINT {
int val;
} lint;
/* literal string */
struct TREE_DATA_LSTR {
size_t len;
char* val;
} lstr;
/* tags */
struct TREE_DATA_TAG {
char* val;
struct TREE_DATA_TAG* nxt;
} tag;
/* definition arguments */
struct TREE_DATA_DARG {
struct TREE_DATA_TAG* tag;
struct TREE_DATA_DARG* nxt;
} darg;
/* call arguments */
struct TREE_DATA_CARG {
struct TREE* val;
struct TREE_DATA_CARG* nxt;
} carg;
/* definitions */
struct TREE_DATA_DEF {
struct TREE_DATA_TAG* tag;
struct TREE_DATA_DARG* arg;
struct TREE* val;
} def;
/* calls */
struct TREE_DATA_CAL {
char* target;
struct TREE_DATA_CARG* arg;
} cal;
} data;
} tree_t;
tree_t* tree_init(int type);
void tree_destroy(tree_t* tree);
#endif
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