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#ifndef AST_H
#define AST_H
#include <stdarg.h>
#include "const.h"
#include "semantics.h"
#include "cibic.tab.h"
typedef struct CNode {
enum {
/* Top Level */
PROG,
FUNC_DEF,
DECL, /* declaration */
DECLR, /* declarator */
DECLRS,
INIT_DECLR,
INIT_DECLRS,
INITR, /* initializer */
TYPE_SPEC,
FIELD, /* struct-or-union field */
FIELDS,
PLAIN_DECL,
DECLS,
FUNCS,
TYPEDEF,
/* Statments */
STMT,
/* Expressions */
EXP,
ID, /* identifier */
INT, /* INT_CONST */
CHAR,
STR,
NOP,
COMP_STMTS,
COMP_DECLS,
ARGS,
PARAMS
} type;
union {
int intval;
int subtype;
char *strval;
} rec;
struct {
CType_t type;
CVar_t var;
CVList_t autos;
long const_val;
int is_const;
int offset; /* offset from var */
} ext;
struct CNode *chd, *next;
/* For error reporting */
struct {
int row, col;
} loc;
} CNode;
CNode *cnode_add_loc(CNode *node, YYLTYPE loc);
CNode *cnode_create_ast(CNode *wrapped);
CNode *cnode_create_nop(void);
CNode *cnode_create_general(int type, int subtype, int pnum, va_list ap);
CNode *cnode_list_append(CNode *list, CNode *tail);
CNode *cnode_list_wrap(int type, CNode *list);
CNode *cnode_create_exp(int exp_type, int pnum, ...);
CNode *cnode_create_type_spec(int spec_type, int pnum, ...);
CNode *cnode_create_declr(int declr_type, int pnum, ...);
CNode *cnode_create_stmt(int stmt_type, int pnum, ...);
CNode *cnode_create_initr(int initr_type, CNode *body);
CNode *cnode_create_decl(CNode *type, CNode *init_declrs);
CNode *cnode_create_func(CNode *type, CNode *declr, CNode *stmt);
CNode *cnode_create_init_declr(CNode *declr, CNode *initr);
CNode *cnode_create_struct_field(CNode *type_spec, CNode *declrs);
CNode *cnode_create_plain_decl(CNode *type_spec, CNode *declr);
CNode *cnode_create_typedef(CNode *type, CNode *declrs);
CNode *cnode_create_identifier(char *val);
CNode *cnode_create_int_const(int val);
CNode *cnode_create_char_const(char *val);
CNode *cnode_create_str_const(char *val);
void cnode_debug_print(CNode *ast, int fancy);
extern CNode *ast_root;
extern CNode *null;
#endif
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