moved to dvm_svn
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225
projects/dvm_svn/fdvm/trunk/Sage/h/symb.h
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225
projects/dvm_svn/fdvm/trunk/Sage/h/symb.h
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/*********************************************************************/
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/* pC++/Sage++ Copyright (C) 1993 */
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/* Indiana University University of Oregon University of Rennes */
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/*********************************************************************/
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/* VPC Version modified by Jenq-Kuen Lee Nov 15 , 1987 */
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/* Original Filename : symb.h */
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/* New filename : vsymb.h */
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/************************************************************************
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* *
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* hash and symbol table entries *
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* *
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************************************************************************/
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struct hash_entry
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{
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char *ident;
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struct hash_entry *next_entry;
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PTR_SYMB id_attr;
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};
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struct symb {
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int variant;
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int id;
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char *ident;
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struct hash_entry *parent;
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PTR_SYMB outer; /* pointer to symbol in enclosing block */
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PTR_SYMB next_symb; /* pointer to next symbol in same block */
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PTR_SYMB id_list; /* used for making lists of ids */
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PTR_SYMB thread; /* list of all allocated symbol pointers */
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PTR_TYPE type; /* data type of this identifier */
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PTR_BFND scope; /* level at which ident is declared */
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PTR_BLOB ud_chain; /* use_definition chain */
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int attr; /* attributes of the variable */
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int dovar; /* set if used as loop's control variable */
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int decl; /* field that the parser use in keeping track
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of declarations */
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union symb_union {
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PTR_LLND const_value; /* for constants */
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struct { /* for enum-field and record field */
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int tag;
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int offset;
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PTR_SYMB declared_name ; /* used for friend construct */
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PTR_SYMB next;
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PTR_SYMB base_name; /* name of record or enumerated type */
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PTR_LLND restricted_bit ; /* Used by VPC++ for restricted bit number */
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} field;
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struct { /* for variant fields */
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int tag;
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int offset;
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PTR_SYMB next;
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PTR_SYMB base_name;
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PTR_LLND variant_list;
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} variant_field;
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struct { /* for program */
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PTR_SYMB symb_list;
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PTR_LABEL label_list;
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PTR_BFND prog_hedr;
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} prog_decl;
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struct { /* for PROC */
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int seen;
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int num_input, num_output, num_io;
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PTR_SYMB in_list;
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PTR_SYMB out_list;
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PTR_SYMB symb_list;
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int local_size;
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PTR_LABEL label_list;
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PTR_BFND proc_hedr;
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PTR_LLND call_list;
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} proc_decl;
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struct { /* for FUNC */
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int seen;
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int num_input, num_output, num_io;
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PTR_SYMB in_list;
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PTR_SYMB out_list;
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PTR_SYMB symb_list;
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int local_size;
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PTR_LABEL label_list;
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PTR_BFND func_hedr;
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PTR_LLND call_list;
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} func_decl;
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struct { /* for variable declaration */
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int local; /* local or input or output or both param*/
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int num1, num2, num3 ; /*24.02.03*/
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PTR_SYMB next_out; /* for list of output parameters*//*perestanovka c next_out *24.02.03*/
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PTR_SYMB next_in; /* for list of input parameters*/
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int offset;
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int dovar; /* set if being used as DO control var */
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} var_decl;
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struct {
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int seen ;
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int num_input, num_output, num_io ;
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PTR_SYMB in_list ;
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PTR_SYMB out_list ;
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PTR_SYMB symb_list;
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int local_size;
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PTR_LABEL label_list ;
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PTR_BFND func_hedr ;
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PTR_LLND call_list ;
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/* the following information for field */
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int tag ;
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int offset ;
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PTR_SYMB declared_name; /* used for friend construct */
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PTR_SYMB next ;
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PTR_SYMB base_name ;
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/* the following is newly added */
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} member_func ; /* New one for VPC */
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/* an attempt to unify the data structure */
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struct {
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int seen ;
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int num_input, num_output, num_io ;
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PTR_SYMB in_list ;
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PTR_SYMB out_list ;
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PTR_SYMB symb_list;
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int local_size;
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PTR_LABEL label_list ;
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PTR_BFND func_hedr ;
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PTR_LLND call_list ;
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/* the following information for field */
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int tag ;
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int offset ;
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PTR_SYMB declared_name; /* used for friend construct */
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PTR_SYMB next ;
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PTR_SYMB base_name ;
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/* the following is newly added */
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} Template ; /* New one for VPC */
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} entry;
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};
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struct data_type {
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int variant;
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int id;
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int length;
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PTR_TYPE thread; /* list of all allocated symbol pointers */
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PTR_SYMB name; /* type name */
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PTR_BLOB ud_chain; /* use_definition chain */
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union type_union {
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/* no entry needed for T_INT, T_CHAR, T_FLOAT, T_DOUBLE, T_VOID T_BOOL */
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struct { /* for T_SUBRANGE */
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PTR_TYPE base_type; /* = to T_INT, T_CHAR, T_FLOAT */
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PTR_LLND lower, upper;
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} subrange;
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struct { /* for T_ARRAY */
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PTR_TYPE base_type; /* New order */
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int num_dimensions;
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PTR_LLND ranges;
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} ar_decl;
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struct {
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PTR_TYPE base_type ;
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int dummy1;
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PTR_LLND ranges ;
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PTR_LLND kind_len ;
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int dummy3;
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int dummy4;
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int dummy5;
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} Template ; /* for T_DESCRIPT,T_ARRAY,T_FUNCTION,T_POINTER */
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PTR_TYPE base_type; /* for T_LIST */
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struct { /* for T_RECORD or T_ENUM */
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int num_fields;
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int record_size;
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PTR_SYMB first;
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} re_decl;
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/* the following is added fro VPC */
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struct {
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PTR_SYMB symbol;
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PTR_SYMB scope_symbol;
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} derived_type ; /* for type name deriving type */
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struct { /* for class T_CLASS T_UNION T_STRUCT */
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int num_fields;
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int record_size;
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PTR_SYMB first;
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PTR_BFND original_class ;
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PTR_TYPE base_type; /* base type or inherited collection */
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} derived_class ;
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struct { /* for class T_DERIVED_TEMPLATE */
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PTR_SYMB templ_name;
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PTR_LLND args; /* argument list for templ */
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} templ_decl ;
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/* for T_MEMBER_POINTER and */
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struct { /* for class T_DERIVED_COLLECTION */
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PTR_SYMB collection_name;
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PTR_TYPE base_type; /* base type or inherited collection */
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} col_decl ;
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struct { /* for T_DESCRIPT */
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PTR_TYPE base_type ;
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int signed_flag ;
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PTR_LLND ranges ;
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int long_short_flag ;
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int mod_flag ;
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int storage_flag;
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int access_flag;
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} descriptive ;
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} entry;
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};
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#define __SYMB_DEF__
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