-/* fold.c */
-fold_t *fold_init (parser_t *);
-void fold_cleanup (fold_t *);
-ast_expression *fold_constgen_float (fold_t *, qcfloat_t, bool);
-ast_expression *fold_constgen_vector(fold_t *, vec3_t);
-ast_expression *fold_constgen_string(fold_t *, const char *, bool);
-bool fold_generate (fold_t *, ir_builder *);
-ast_expression *fold_op (fold_t *, const oper_info *, ast_expression **);
-ast_expression *fold_intrin (fold_t *, const char *, ast_expression **);
-
-ast_expression *fold_binary (lex_ctx_t ctx, int, ast_expression *, ast_expression *);
-int fold_cond_ifthen (ir_value *, ast_function *, ast_ifthen *);
-int fold_cond_ternary (ir_value *, ast_function *, ast_ternary *);
-