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#pragma once

#include "ast.h"


typedef struct InterRet{
	// Exactly one of ast and errstr is non-NULL. The non-NULL member
	// needs to be free'd.
	AST *ast;
	char *errstr;
} InterRet;

InterRet ir_ast(AST *ast);
InterRet ir_err(char *errstr);
InterRet ir_err_c(const char *errstr);


typedef struct InterState InterState;

InterState* inter_make(void);
void inter_destroy(InterState *is);
void inter_register(InterState *is,const char *name,lambdafunc_t cfunc);
void inter_register_prelude(InterState *is);
InterRet inter_runcode(InterState *is,AST *ast); //updates symbol id's