mirror of https://gerrit.osmocom.org/asn1c
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
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* Miscellaneous functions necessary for several other modules.
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*/
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#ifndef _ASN1FIX_RETRIEVE_H_
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#define _ASN1FIX_RETRIEVE_H_
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/*
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* Simple search for the label in the descendants of the given node.
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* ERRORS:
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* NULL/ESRCH
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*/
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asn1p_expr_t *asn1f_lookup_child(asn1p_expr_t *tc, const char *name);
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/*
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* Return a module which contain a specified name, as stated in appropriate
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* IMPORTS section of the current module (arg->mod).
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*
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* RETURN VALUES:
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* NULL/ESRCH: The name was not found in IMPORTS section.
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* NULL/EPERM: The name was not found in EXPORTS section of the source module.
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* Also, NULL with errno values defined by asn1f_lookup_module().
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*/
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asn1p_module_t *asn1f_lookup_in_imports(arg_t *arg, const char *name);
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/*
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* Return a module by its name or optional OID.
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*
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* RETURN VALUES:
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* NULL/ENOENT: No module was found by the specified name and oid
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* NULL/ETOOMANYREFS: Several modules are matching the specified name and oid
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*/
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asn1p_module_t *asn1f_lookup_module(arg_t *arg,
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const char *module_name,
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asn1p_oid_t *module_oid);
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/*
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* Return the reference to a destination of the given reference,
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* symbol lookup. Not a recursive function.
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* Optional module reference may be assigned a module in which the
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* particular expr was found.
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*/
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asn1p_expr_t *asn1f_lookup_symbol(arg_t *arg, asn1p_ref_t *ref,
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asn1p_module_t **opt_module_r);
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/*
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* Recursively find the original type for the given expression.
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* i.e.:
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* If the original specification defines
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* v Type1 ::= 5
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* Type1 ::= Type2 (1..5)
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* Type3 ::= Type4 (2..7)
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* Type4 ::= INTEGER (1..10)
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* Then this function, given the the first expression as an argument,
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* would return an expression for Type4.
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* WARNING: No attempts are made to honor constraints at this moment.
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*/
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asn1p_expr_t *asn1f_find_terminal_type(arg_t *arg, asn1p_expr_t *tc,
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asn1p_module_t **opt_module_r);
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/*
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* Recursively find the original value for the given expression.
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* i.e.:
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* If the original specification defines
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* v Type1 ::= value
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* value Type2 ::= value2
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* value2 Type3 ::= 3
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* Then this function will return the expression for value2 if given
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* the v as an argment.
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*/
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asn1p_expr_t *asn1f_find_terminal_value(arg_t *arg, asn1p_expr_t *tc,
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asn1p_module_t **opt_module_r);
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#endif /* _ASN1FIX_RETRIEVE_H_ */
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