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/*
* Miscellaneous functions necessary for several other modules.
*/
#ifndef _ASN1FIX_RETRIEVE_H_
#define _ASN1FIX_RETRIEVE_H_
/*
* Simple search for the label in the descendants of the given node.
* ERRORS:
* NULL/ESRCH
*/
asn1p_expr_t *asn1f_lookup_child(asn1p_expr_t *tc, const char *name);
/*
* Return a module which contain a specified name, as stated in appropriate
* IMPORTS section of the current module (arg->mod).
*
* RETURN VALUES:
* NULL/ESRCH: The name was not found in IMPORTS section.
* NULL/EPERM: The name was not found in EXPORTS section of the source module.
* Also, NULL with errno values defined by asn1f_lookup_module().
*/
asn1p_module_t *asn1f_lookup_in_imports(arg_t *arg, asn1p_module_t *mod, const char *name);
/*
* Return a module by its name or optional OID.
*
* RETURN VALUES:
* NULL/ENOENT: No module was found by the specified name and oid
* NULL/ETOOMANYREFS: Several modules are matching the specified name and oid
*/
asn1p_module_t *asn1f_lookup_module(arg_t *arg,
const char *module_name,
asn1p_oid_t *module_oid);
/*
* Return the reference to a destination of the given reference,
* symbol lookup. Not a recursive function.
*/
asn1p_expr_t *asn1f_lookup_symbol(arg_t *arg,
asn1p_module_t *mod,
asn1p_ref_t *ref);
/*
* Recursively find the original type for the given expression.
* i.e.:
* If the original specification defines
* v Type1 ::= 5
* Type1 ::= Type2 (1..5)
* Type3 ::= Type4 (2..7)
* Type4 ::= INTEGER (1..10)
* Then this function, given the the first expression as an argument,
* would return an expression for Type4.
* WARNING: No attempts are made to honor constraints at this moment.
*/
asn1p_expr_t *asn1f_find_terminal_type(arg_t *arg, asn1p_expr_t *tc);
/*
* Recursively find the original value for the given expression.
* i.e.:
* If the original specification defines
* v Type1 ::= value
* value Type2 ::= value2
* value2 Type3 ::= 3
* Then this function will return the expression for value2 if given
* the v as an argment.
*/
asn1p_expr_t *asn1f_find_terminal_value(arg_t *arg, asn1p_expr_t *tc);
#endif /* _ASN1FIX_RETRIEVE_H_ */
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