Calculates the input while respecting operator precedence, parentheses, etc. Not designed to be useful.
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/* vim: set filetype=c: */
#ifndef _AST_H_
#define _AST_H_
#include "token.h"
#include "token_list.h"
#include "error.h"
typedef struct AST AST;
struct AST {
Token* root;
};
extern void AST_init(AST* obj);
/* Can be called exactly once after AST_init */
extern Result AST_parse_from_TokenList(AST* obj, const TokenList* tokens);
extern long double AST_evaluate(AST* obj);
extern void AST_uninit(AST* obj);
#endif /* _AST_H_ */