--- /dev/null
+/*
+ * A collection of data members of unspecified types.
+ */
+#ifndef ASN1_PARSER_EXPR_H
+#define ASN1_PARSER_EXPR_H
+
+/*
+ * Meta type of the ASN expression.
+ */
+typedef enum asn1p_expr_meta {
+ AMT_INVALID,
+ AMT_TYPE, /* Type1 ::= INTEGER */
+ AMT_TYPEREF, /* Type2 ::= Type1 */
+ AMT_VALUE, /* value1 Type1 ::= 1 */
+ AMT_VALUESET, /* ValueSet Type1 ::= { value1 } */
+ AMT_OBJECT, /* object CLASS ::= {...} */
+ AMT_OBJECTCLASS, /* FUNCTION ::= CLASS {...} */
+ AMT_OBJECTFIELD, /* ... */
+ AMT_EXPR_META_MAX
+} asn1p_expr_meta_e;
+
+/*
+ * ASN type of the expression.
+ */
+typedef enum asn1p_expr_type {
+ /*
+ * Internal types.
+ */
+ A1TC_INVALID, /* Invalid type */
+ A1TC_REFERENCE, /* Reference to the type defined elsewhere */
+ A1TC_EXPORTVAR, /* We're exporting this definition */
+ A1TC_UNIVERVAL, /* A value of an ENUMERATED, INTEGER or BS */
+ A1TC_BITVECTOR, /* A plain collection of bits */
+ A1TC_OPAQUE, /* Opaque data encoded as a bitvector */
+ A1TC_EXTENSIBLE, /* An extension marker "..." */
+ A1TC_COMPONENTS_OF, /* COMPONENTS OF clause */
+ A1TC_VALUESET, /* Value set definition */
+ A1TC_CLASSDEF, /* Information Object Class */
+ A1TC_INSTANCE, /* Instance of Object Class */
+
+ /*
+ * ASN.1 Class field types
+ */
+#define ASN_CLASSFIELD_MASK 0x10 /* Every class field type */
+ A1TC_CLASSFIELD_TFS = ASN_CLASSFIELD_MASK, /* TypeFieldSpec */
+ A1TC_CLASSFIELD_FTVFS, /* FixedTypeValueFieldSpec */
+ A1TC_CLASSFIELD_VTVFS, /* VariableTypeValueFieldSpec */
+ A1TC_CLASSFIELD_FTVSFS, /* FixedTypeValueSetFieldSpec */
+ A1TC_CLASSFIELD_VTVSFS, /* VariableTypeValueSetFieldSpec */
+ A1TC_CLASSFIELD_OFS, /* ObjectFieldSpec */
+ A1TC_CLASSFIELD_OSFS, /* ObjectSetFieldSpec */
+
+ /*
+ * ASN.1 Constructed types
+ */
+#define ASN_CONSTR_MASK 0x20 /* Every constructed type */
+ ASN_CONSTR_SEQUENCE = ASN_CONSTR_MASK, /* SEQUENCE */
+ ASN_CONSTR_CHOICE, /* CHOICE */
+ ASN_CONSTR_SET, /* SET */
+ ASN_CONSTR_SEQUENCE_OF, /* SEQUENCE OF */
+ ASN_CONSTR_SET_OF, /* SET OF */
+ ASN_CONSTR_OPEN_TYPE,
+
+ /*
+ * ASN.1 Basic types
+ */
+#define ASN_BASIC_MASK 0x40 /* Every basic type */
+ ASN_TYPE_ANY = ASN_BASIC_MASK, /* ANY (deprecated) */
+ ASN_BASIC_BOOLEAN,
+ ASN_BASIC_NULL,
+ ASN_BASIC_INTEGER,
+ ASN_BASIC_REAL,
+ ASN_BASIC_ENUMERATED,
+ ASN_BASIC_BIT_STRING,
+ ASN_BASIC_OCTET_STRING,
+ ASN_BASIC_OBJECT_IDENTIFIER,
+ ASN_BASIC_RELATIVE_OID,
+ ASN_BASIC_EXTERNAL,
+ ASN_BASIC_EMBEDDED_PDV,
+ ASN_BASIC_CHARACTER_STRING,
+ ASN_BASIC_UTCTime,
+ ASN_BASIC_GeneralizedTime,
+
+ /*
+ * ASN.1 String types
+ */
+#define ASN_STRING_KM_MASK 0x100 /* Known multiplier */
+#define ASN_STRING_NKM_MASK 0x200 /* Not a known multiplier */
+#define ASN_STRING_MASK 0x300 /* Every restricted string type */
+ ASN_STRING_IA5String = ASN_STRING_KM_MASK,
+ ASN_STRING_PrintableString,
+ ASN_STRING_VisibleString,
+ ASN_STRING_ISO646String, /* aka VisibleString */
+ ASN_STRING_NumericString,
+ ASN_STRING_UniversalString,
+ ASN_STRING_BMPString,
+ ASN_STRING_UTF8String = ASN_STRING_NKM_MASK,
+ ASN_STRING_GeneralString,
+ ASN_STRING_GraphicString,
+ ASN_STRING_TeletexString,
+ ASN_STRING_T61String,
+ ASN_STRING_VideotexString,
+ ASN_STRING_ObjectDescriptor,
+ ASN_EXPR_TYPE_MAX
+} asn1p_expr_type_e;
+
+#include "asn1p_expr_str.h"
+#include "asn1p_expr2uclass.h"
+
+struct asn1p_module_s; /* Forward declaration */
+struct asn1p_ioc_table_s; /* Forward declaration */
+
+/*
+ * A named collection of types.
+ */
+typedef struct asn1p_expr_s {
+
+ /*
+ * Human readable name.
+ */
+ char *Identifier;
+
+ /*
+ * Meta type of the expression (type, value, value set, etc).
+ */
+ asn1p_expr_meta_e meta_type;
+
+ /*
+ * ASN type of the expression.
+ */
+ asn1p_expr_type_e expr_type;
+
+ /*
+ * Referenced type, defined elsewhere.
+ * (If expr_type == A1TC_REFERENCE)
+ */
+ asn1p_ref_t *reference;
+
+ /*
+ * Constraints for the type.
+ */
+ asn1p_constraint_t *constraints;
+
+ /*
+ * This field is holding the transformed constraints, with all the
+ * parent constraints taken into account.
+ */
+ asn1p_constraint_t *combined_constraints;
+
+ /*
+ * Left hand side parameters for parametrized type declaration
+ * Type{Param1, Param2} ::= SEQUENCE { a Param1, b Param2 }
+ */
+ asn1p_paramlist_t *lhs_params;
+ /*
+ * Right hand type specialization.
+ * Type2 ::= Type{Param1}
+ */
+ struct asn1p_expr_s *rhs_pspecs; /* ->members */
+ /*
+ * If lhs_params is defined, this structure represents all possible
+ * specializations of the parent expression.
+ */
+ struct {
+ struct asn1p_pspec_s {
+ struct asn1p_expr_s *rhs_pspecs;
+ struct asn1p_expr_s *my_clone;
+ } *pspec;
+ int pspecs_count; /* Number of specializations */
+ } specializations;
+ int spec_index; /* -1, or 0-based specialization index in the parent */
+
+ /*
+ * The actual value (DefinedValue or inlined value).
+ */
+ asn1p_value_t *value;
+
+ /*
+ * The WITH SYNTAX clause.
+ */
+ asn1p_wsyntx_t *with_syntax;
+
+ /* Information Object Class table, specific for a class or object set */
+ struct asn1p_ioc_table_s *ioc_table;
+
+ /*
+ * A tag.
+ */
+ struct asn1p_type_tag_s {
+ enum {
+ TC_NOCLASS,
+ TC_UNIVERSAL,
+ TC_APPLICATION,
+ TC_CONTEXT_SPECIFIC,
+ TC_PRIVATE,
+ } tag_class;
+ enum {
+ TM_DEFAULT,
+ TM_IMPLICIT,
+ TM_EXPLICIT,
+ } tag_mode;
+ asn1c_integer_t tag_value;
+ } tag;
+
+ struct asn1p_expr_marker_s {
+ enum asn1p_expr_marker_e {
+ EM_NOMARK,
+ EM_INDIRECT = 0x01, /* 00001 Represent as pointer */
+ EM_OMITABLE = 0x02, /* 00010 May be absent in encoding */
+ EM_OPTIONAL = 0x07, /* 00111 Optional member */
+ EM_DEFAULT = 0x0F, /* 01111 default_value */
+ EM_UNRECURSE = 0x10, /* 10000 Use safe naming */
+ } flags;
+ asn1p_value_t *default_value; /* For EM_DEFAULT case */
+ } marker;
+ int unique; /* UNIQUE */
+ int ref_cnt; /* reference count */
+
+ /*
+ * Whether automatic tagging may be applied for subtypes.
+ */
+ int auto_tags_OK;
+
+ /*
+ * Members of the constructed type.
+ */
+ TQ_HEAD(struct asn1p_expr_s) members;
+
+ /*
+ * Next expression in the list.
+ */
+ TQ_ENTRY(struct asn1p_expr_s) next;
+
+ struct asn1p_expr_s *parent_expr; /* optional */
+
+ struct asn1p_module_s *module; /* Defined in module */
+
+ /*
+ * Line number where this structure is defined in the original
+ * grammar source.
+ */
+ int _lineno;
+
+ /*
+ * Marks are used for various purposes.
+ * Here are some predefined ones.
+ */
+ enum {
+ TM_NOMARK = 0,
+ TM_RECURSION = (1<<0), /* Used to break recursion */
+ TM_BROKEN = (1<<1), /* A warning was already issued */
+ TM_PERFROMCT = (1<<2), /* PER FROM() constraint tables emitted */
+ TM_NAMECLASH = (1<<3), /* Name clash found, need to add module name to resolve */
+ TM_NAMEGIVEN = (1<<4) /* The expression has already yielded a name */
+ } _mark;
+
+ /*
+ * Some tags used by the compiler.
+ */
+ int _anonymous_type; /* This type is unnamed */
+ int _type_unique_index; /* A per top-level-type unique index */
+ int _type_referenced; /* This type is referenced from another place */
+
+ /*
+ * Opaque data may be attached to this structure,
+ * probably by compiler.
+ */
+ void *data;
+ void (*data_free)(void *data);
+} asn1p_expr_t;
+
+
+/*
+ * Constructor and destructor.
+ */
+asn1p_expr_t *asn1p_expr_new(int _lineno, struct asn1p_module_s *);
+asn1p_expr_t *asn1p_expr_clone(asn1p_expr_t *, int skip_extensions);
+asn1p_expr_t *asn1p_expr_clone_with_resolver(asn1p_expr_t *,
+ asn1p_expr_t *(*resolver)(asn1p_expr_t *to_resolve, void *resolver_arg),
+ void *resolver_arg);
+void asn1p_expr_add(asn1p_expr_t *to, asn1p_expr_t *what);
+void asn1p_expr_add_many(asn1p_expr_t *to, asn1p_expr_t *from_what);
+asn1p_expr_t *asn1p_lookup_child(asn1p_expr_t *tc, const char *name);
+int asn1p_expr_compare(const asn1p_expr_t *, const asn1p_expr_t *);
+void asn1p_expr_free(asn1p_expr_t *expr);
+void asn1p_expr_set_source(asn1p_expr_t *, asn1p_module_t *, int lineno);
+
+asn1p_paramlist_t *asn1p_get_namespace(asn1p_expr_t *);
+
+#define TAG2STRING_BUFFER_SIZE 64 /* buf should be at least this big */
+const char *asn1p_tag2string(const struct asn1p_type_tag_s *tag, char *opt_buf);
+
+#define MODULE_NAME_OF(expr) \
+ ((!expr) ? "" : \
+ (!(expr->_mark & TM_NAMECLASH) ? "" : \
+ (!expr->module ? "" : expr->module->ModuleName))), \
+ ((!expr) ? "" : \
+ (!(expr->_mark & TM_NAMECLASH) ? "" : "_"))
+
+#endif /* ASN1_PARSER_EXPR_H */
Code Review / com / asn1c.git / blobdiff