680 lines
16 KiB
Plaintext
680 lines
16 KiB
Plaintext
%{
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/*
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* IDL Compiler
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*
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* Copyright 2002 Ove Kaaven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <ctype.h>
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#include <string.h>
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#ifdef HAVE_ALLOCA_H
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#include <alloca.h>
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#endif
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#include "widl.h"
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#include "utils.h"
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#include "parser.h"
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#include "header.h"
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#if defined(YYBYACC)
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/* Berkeley yacc (byacc) doesn't seem to know about these */
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/* Some *BSD supplied versions do define these though */
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# ifndef YYEMPTY
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# define YYEMPTY (-1) /* Empty lookahead value of yychar */
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# endif
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# ifndef YYLEX
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# define YYLEX yylex()
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# endif
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#elif defined(YYBISON)
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/* Bison was used for original development */
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/* #define YYEMPTY -2 */
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/* #define YYLEX yylex() */
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#else
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/* No yacc we know yet */
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# if !defined(YYEMPTY) || !defined(YYLEX)
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# error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
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# elif defined(__GNUC__) /* gcc defines the #warning directive */
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# warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
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/* #else we just take a chance that it works... */
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# endif
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#endif
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static attr_t *make_attr(int type);
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static attr_t *make_attrv(int type, DWORD val);
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static attr_t *make_attrp(int type, void *val);
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static type_t *make_type(BYTE type, type_t *ref);
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static typeref_t *make_tref(char *name, type_t *ref);
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static typeref_t *uniq_tref(typeref_t *ref);
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static type_t *type_ref(typeref_t *ref);
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static void set_type(var_t *v, typeref_t *ref);
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static var_t *make_var(char *name);
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static func_t *make_func(var_t *def, var_t *args);
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static type_t *reg_type(type_t *type, char *name, int t);
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static type_t *reg_types(type_t *type, var_t *names, int t);
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static type_t *find_type(char *name, int t);
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static type_t *find_type2(char *name, int t);
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static type_t *get_type(BYTE type, char *name, int t);
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static type_t *get_typev(BYTE type, var_t *name, int t);
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#define tsENUM 1
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#define tsSTRUCT 2
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#define tsUNION 3
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static type_t std_int = { "int" };
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%}
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%union {
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attr_t *attr;
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type_t *type;
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typeref_t *tref;
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var_t *var;
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func_t *func;
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char *str;
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int num;
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}
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%token <str> aIDENTIFIER
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%token <str> aKNOWNTYPE
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%token <num> aNUM
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%token <str> aSTRING
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%token <uuid> aUUID
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%token SHL SHR
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%token tAGGREGATABLE tALLOCATE tAPPOBJECT tARRAYS tASYNC tASYNCUUID
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%token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
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%token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
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%token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
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%token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
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%token tDEFAULT
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%token tDOUBLE
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%token tENUM
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%token tEXTERN
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%token tFLOAT
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%token tHYPER
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%token tIIDIS
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%token tIMPORT tIMPORTLIB
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%token tIN tINCLUDE tINLINE
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%token tINT tINT64
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%token tINTERFACE
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%token tLENGTHIS
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%token tLOCAL
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%token tLONG
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%token tOBJECT tODL tOLEAUTOMATION
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%token tOUT
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%token tPOINTERDEFAULT
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%token tREF
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%token tSHORT
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%token tSIGNED
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%token tSIZEIS tSIZEOF
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%token tSTDCALL
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%token tSTRING tSTRUCT
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%token tSWITCH tSWITCHIS tSWITCHTYPE
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%token tTYPEDEF
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%token tUNION
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%token tUNIQUE
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%token tUNSIGNED
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%token tUUID
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%token tV1ENUM
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%token tVERSION
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%token tVOID
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%token tWCHAR tWIREMARSHAL
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/* used in attr_t */
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%token tPOINTERTYPE
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%type <attr> m_attributes attributes attrib_list attribute
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%type <type> inherit interface interfacedef
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%type <type> base_type int_std
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%type <type> enumdef structdef typedef uniondef
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%type <tref> type
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%type <var> m_args no_args args arg
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%type <var> fields field
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%type <var> m_ident t_ident ident p_ident pident pident_list
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%type <func> funcdef statements
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%type <num> expr pointer_type
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%left ','
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%left '|'
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%left '&'
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%left '-' '+'
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%left '*' '/'
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%left SHL SHR
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%right CAST
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%right PPTR
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%right NEG
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%%
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statements: { $$ = NULL; }
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| statements funcdef ';' { LINK($2, $1); $$ = $2; }
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| statements statement
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;
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statement: ';' {}
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| constdef {}
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| cppquote {}
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| enumdef ';' { if (!parse_only) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n"); } }
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| externdef ';' {}
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| import {}
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| interface ';' {}
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| interfacedef {}
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| structdef ';' { if (!parse_only) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n"); } }
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| typedef ';' {}
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| uniondef ';' { if (!parse_only) { write_type(header, $1, NULL, NULL); fprintf(header, ";\n"); } }
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;
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cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only) fprintf(header, "%s\n", $3); }
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;
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import: tIMPORT aSTRING ';' { do_import($2); }
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;
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m_args: { $$ = NULL; }
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| args
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;
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no_args: tVOID { $$ = NULL; }
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;
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args: arg
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| args ',' arg { LINK($3, $1); $$ = $3; }
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| no_args
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;
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/* split into two rules to get bison to resolve a tVOID conflict */
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arg: attributes type pident array { $$ = $3;
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set_type($$, $2);
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$$->attrs = $1; /* FIXME: array */
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}
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| type pident array { $$ = $2;
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set_type($$, $1); /* FIXME: array */
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}
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;
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aexprs:
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| aexpr_list
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;
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aexpr_list: aexpr
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| aexprs ',' aexpr
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;
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aexpr: aNUM {}
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| aIDENTIFIER {}
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| aexpr '|' aexpr
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| aexpr '&' aexpr
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| aexpr '+' aexpr
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| aexpr '-' aexpr
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| aexpr '*' aexpr
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| aexpr '/' aexpr
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| '-' aexpr %prec NEG
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| '*' aexpr %prec PPTR
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| '(' type ')' aexpr %prec CAST
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| '(' aexpr ')'
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| tSIZEOF '(' type ')'
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;
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array:
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| '[' aexprs ']'
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| '[' '*' ']'
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;
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m_attributes: { $$ = NULL; }
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| attributes
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;
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attributes:
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m_attributes '[' attrib_list ']' { LINK_LAST($3, $1); $$ = $3; }
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;
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attrib_list: attribute
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| attrib_list ',' attribute { LINK_SAFE($3, $1); $$ = $3; /* FIXME: don't use SAFE */ }
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;
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attribute:
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tASYNC { $$ = make_attr(tASYNC); }
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| tCALLAS '(' ident ')' { $$ = make_attrp(tCALLAS, $3); }
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| tCASE '(' expr_list ')' { $$ = NULL; }
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| tCONTEXTHANDLE { $$ = NULL; }
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| tCONTEXTHANDLENOSERIALIZE { $$ = NULL; }
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| tCONTEXTHANDLESERIALIZE { $$ = NULL; }
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| tDEFAULT { $$ = make_attr(tDEFAULT); }
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| tIIDIS '(' ident ')' { $$ = make_attrp(tIIDIS, $3); }
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| tIN { $$ = make_attr(tIN); }
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| tLENGTHIS '(' aexprs ')' { $$ = NULL; }
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| tLOCAL { $$ = make_attr(tLOCAL); }
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| tOBJECT { $$ = make_attr(tOBJECT); }
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| tOLEAUTOMATION { $$ = make_attr(tOLEAUTOMATION); }
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| tOUT { $$ = make_attr(tOUT); }
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| tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(tPOINTERDEFAULT, $3); }
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| tSIZEIS '(' aexprs ')' { $$ = NULL; }
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| tSTRING { $$ = make_attr(tSTRING); }
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| tSWITCHIS '(' aexpr ')' { $$ = NULL; }
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| tSWITCHTYPE '(' type ')' { $$ = NULL; }
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| tUUID '(' aUUID ')' { $$ = NULL; }
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| tV1ENUM { $$ = make_attr(tV1ENUM); }
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| tVERSION '(' version ')' { $$ = NULL; }
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| tWIREMARSHAL '(' type ')' { $$ = make_attrp(tWIREMARSHAL, type_ref($3)); }
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| pointer_type { $$ = make_attrv(tPOINTERTYPE, $1); }
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;
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callconv:
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| tSTDCALL
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;
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cases:
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| cases case
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;
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case: tCASE expr ':' field
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| tDEFAULT ':' field
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;
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constdef: tCONST type ident '=' expr
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;
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enums:
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| enum_list ','
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| enum_list
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;
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enum_list: enum
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| enum_list ',' enum
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;
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enum: ident '=' expr {}
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| ident {}
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;
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enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_SHORT /* FIXME */, $2, tsENUM);
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$$->defined = TRUE;
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}
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;
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expr_list: expr {}
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| expr_list ',' expr {}
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;
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expr: aNUM
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| aIDENTIFIER {}
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| expr '|' expr {}
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| expr SHL expr {}
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| expr SHR expr {}
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| '-' expr %prec NEG {}
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;
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externdef: tEXTERN tCONST type ident
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;
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fields: { $$ = NULL; }
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| fields field { LINK($2, $1); $$ = $2; }
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;
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field: m_attributes type pident array ';' { $$ = $3; set_type($$, $2); $$->attrs = $1; /* FIXME: array */ }
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| m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
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| attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
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| ';' { $$ = NULL; }
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;
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funcdef:
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m_attributes type callconv pident
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'(' m_args ')' { set_type($4, $2);
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$4->attrs = $1;
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$$ = make_func($4, $6);
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}
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;
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m_ident: { $$ = NULL; }
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| ident
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;
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t_ident: { $$ = NULL; }
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| aIDENTIFIER { $$ = make_var($1); }
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| aKNOWNTYPE { $$ = make_var($1); }
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;
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ident: aIDENTIFIER { $$ = make_var($1); }
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;
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base_type: tBYTE { $$ = make_type(RPC_FC_BYTE, NULL); }
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| tCHAR { $$ = make_type(RPC_FC_CHAR, NULL); }
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| tUNSIGNED tCHAR { $$ = make_type(RPC_FC_CHAR, NULL); }
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| tWCHAR { $$ = make_type(RPC_FC_WCHAR, NULL); }
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| int_std
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| tSIGNED int_std { $$ = $2; /* FIXME */ }
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| tUNSIGNED int_std { $$ = $2; /* FIXME */ }
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| tFLOAT { $$ = make_type(RPC_FC_FLOAT, NULL); }
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| tDOUBLE { $$ = make_type(RPC_FC_DOUBLE, NULL); }
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| tBOOLEAN { $$ = make_type(RPC_FC_BYTE, NULL); /* ? */ }
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;
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m_int:
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| tINT
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;
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int_std: tINT { $$ = make_type(RPC_FC_LONG, &std_int); } /* win32 only */
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| tSHORT m_int { $$ = make_type(RPC_FC_SHORT, NULL); }
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| tLONG m_int { $$ = make_type(RPC_FC_LONG, NULL); }
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| tHYPER m_int { $$ = make_type(RPC_FC_HYPER, NULL); }
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| tINT64 { $$ = make_type(RPC_FC_HYPER, NULL); }
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;
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inherit: { $$ = NULL; }
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| ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
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;
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interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); if (!parse_only) write_forward($$); }
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| tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); if (!parse_only) write_forward($$); }
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;
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interfacedef: attributes interface inherit
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'{' statements '}' { $$ = $2;
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if ($$->defined) yyerror("multiple definition error\n");
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$$->ref = $3;
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$$->attrs = $1;
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$$->funcs = $5;
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$$->defined = TRUE;
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if (!parse_only) write_interface($$);
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}
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;
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p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
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| tCONST p_ident { $$ = $2; }
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;
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pident: ident
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| p_ident
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| '(' pident ')' { $$ = $2; }
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;
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pident_list:
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pident
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| pident_list ',' pident { LINK($3, $1); $$ = $3; }
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;
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pointer_type:
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tREF { $$ = RPC_FC_RP; }
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| tUNIQUE { $$ = RPC_FC_UP; }
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;
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structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
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$$->fields = $4;
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$$->defined = TRUE;
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}
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;
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type: tVOID { $$ = make_tref(NULL, make_type(0, NULL)); }
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| aKNOWNTYPE { $$ = make_tref($1, find_type($1, 0)); }
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| base_type { $$ = make_tref(NULL, $1); }
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| tCONST type { $$ = uniq_tref($2); $$->ref->is_const = TRUE; }
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| enumdef { $$ = make_tref(NULL, $1); }
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| tENUM aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsENUM)); }
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| structdef { $$ = make_tref(NULL, $1); }
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| tSTRUCT aIDENTIFIER { $$ = make_tref(NULL, get_type(RPC_FC_STRUCT, $2, tsSTRUCT)); }
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| uniondef { $$ = make_tref(NULL, $1); }
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| tUNION aIDENTIFIER { $$ = make_tref(NULL, find_type2($2, tsUNION)); }
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;
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typedef: tTYPEDEF m_attributes type pident_list { typeref_t *tref = uniq_tref($3);
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$4->tname = tref->name;
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tref->name = NULL;
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$$ = type_ref(tref);
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$$->attrs = $2;
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if (!parse_only) write_typedef($$, $4);
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reg_types($$, $4, 0);
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}
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;
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uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
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$$->fields = $4;
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$$->defined = TRUE;
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}
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| tUNION t_ident
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tSWITCH '(' type ident ')'
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m_ident '{' cases '}' { $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
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$$->defined = TRUE;
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}
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;
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version:
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aNUM {}
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| aNUM '.' aNUM {}
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;
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%%
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static attr_t *make_attr(int type)
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{
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attr_t *a = xmalloc(sizeof(attr_t));
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a->type = type;
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a->u.ival = 0;
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return a;
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}
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static attr_t *make_attrv(int type, DWORD val)
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{
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attr_t *a = xmalloc(sizeof(attr_t));
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a->type = type;
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a->u.ival = val;
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return a;
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}
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static attr_t *make_attrp(int type, void *val)
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{
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attr_t *a = xmalloc(sizeof(attr_t));
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a->type = type;
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a->u.pval = val;
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return a;
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}
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static type_t *make_type(BYTE type, type_t *ref)
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{
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type_t *t = xmalloc(sizeof(type_t));
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t->name = NULL;
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t->type = type;
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t->ref = ref;
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t->rname = NULL;
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t->attrs = NULL;
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t->funcs = NULL;
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t->fields = NULL;
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t->ignore = parse_only;
|
|
t->is_const = FALSE;
|
|
t->defined = FALSE;
|
|
t->written = FALSE;
|
|
INIT_LINK(t);
|
|
return t;
|
|
}
|
|
|
|
static typeref_t *make_tref(char *name, type_t *ref)
|
|
{
|
|
typeref_t *t = xmalloc(sizeof(typeref_t));
|
|
t->name = name;
|
|
t->ref = ref;
|
|
t->uniq = ref ? 0 : 1;
|
|
return t;
|
|
}
|
|
|
|
static typeref_t *uniq_tref(typeref_t *ref)
|
|
{
|
|
typeref_t *t = ref;
|
|
type_t *tp;
|
|
if (t->uniq) return t;
|
|
tp = make_type(0, t->ref);
|
|
tp->name = t->name;
|
|
t->name = NULL;
|
|
t->ref = tp;
|
|
t->uniq = 1;
|
|
return t;
|
|
}
|
|
|
|
static type_t *type_ref(typeref_t *ref)
|
|
{
|
|
type_t *t = ref->ref;
|
|
if (ref->name) free(ref->name);
|
|
free(ref);
|
|
return t;
|
|
}
|
|
|
|
static void set_type(var_t *v, typeref_t *ref)
|
|
{
|
|
v->type = ref->ref;
|
|
v->tname = ref->name;
|
|
ref->name = NULL;
|
|
free(ref);
|
|
}
|
|
|
|
static var_t *make_var(char *name)
|
|
{
|
|
var_t *v = xmalloc(sizeof(var_t));
|
|
v->name = name;
|
|
v->ptr_level = 0;
|
|
v->type = NULL;
|
|
v->tname = NULL;
|
|
v->attrs = NULL;
|
|
INIT_LINK(v);
|
|
return v;
|
|
}
|
|
|
|
static func_t *make_func(var_t *def, var_t *args)
|
|
{
|
|
func_t *f = xmalloc(sizeof(func_t));
|
|
f->def = def;
|
|
f->args = args;
|
|
f->ignore = parse_only;
|
|
f->idx = -1;
|
|
INIT_LINK(f);
|
|
return f;
|
|
}
|
|
|
|
struct rtype {
|
|
char *name;
|
|
type_t *type;
|
|
int t;
|
|
struct rtype *next;
|
|
};
|
|
|
|
struct rtype *first;
|
|
|
|
static type_t *reg_type(type_t *type, char *name, int t)
|
|
{
|
|
struct rtype *nt;
|
|
if (!name) {
|
|
yyerror("registering named type without name\n");
|
|
return type;
|
|
}
|
|
nt = xmalloc(sizeof(struct rtype));
|
|
nt->name = name;
|
|
nt->type = type;
|
|
nt->t = t;
|
|
nt->next = first;
|
|
first = nt;
|
|
return type;
|
|
}
|
|
|
|
static type_t *reg_types(type_t *type, var_t *names, int t)
|
|
{
|
|
type_t *ptr = type;
|
|
int ptrc = 0;
|
|
|
|
while (names) {
|
|
var_t *next = NEXT_LINK(names);
|
|
if (names->name) {
|
|
type_t *cur = ptr;
|
|
int cptr = names->ptr_level;
|
|
if (cptr > ptrc) {
|
|
while (cptr > ptrc) {
|
|
cur = ptr = make_type(RPC_FC_FP, cur); /* FIXME: pointer type from attrs? */
|
|
ptrc++;
|
|
}
|
|
} else {
|
|
while (cptr < ptrc) {
|
|
cur = cur->ref;
|
|
cptr++;
|
|
}
|
|
}
|
|
reg_type(cur, names->name, t);
|
|
}
|
|
free(names);
|
|
names = next;
|
|
}
|
|
return type;
|
|
}
|
|
|
|
static type_t *find_type(char *name, int t)
|
|
{
|
|
struct rtype *cur = first;
|
|
while (cur && (cur->t != t || strcmp(cur->name, name)))
|
|
cur = cur->next;
|
|
if (!cur) {
|
|
yyerror("type %s not found\n", name);
|
|
return NULL;
|
|
}
|
|
return cur->type;
|
|
}
|
|
|
|
static type_t *find_type2(char *name, int t)
|
|
{
|
|
type_t *tp = find_type(name, t);
|
|
free(name);
|
|
return tp;
|
|
}
|
|
|
|
int is_type(const char *name)
|
|
{
|
|
struct rtype *cur = first;
|
|
while (cur && (cur->t || strcmp(cur->name, name)))
|
|
cur = cur->next;
|
|
if (cur) return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
static type_t *get_type(BYTE type, char *name, int t)
|
|
{
|
|
struct rtype *cur = NULL;
|
|
type_t *tp;
|
|
if (name) {
|
|
cur = first;
|
|
while (cur && (cur->t != t || strcmp(cur->name, name)))
|
|
cur = cur->next;
|
|
}
|
|
if (cur) {
|
|
free(name);
|
|
return cur->type;
|
|
}
|
|
tp = make_type(type, NULL);
|
|
tp->name = name;
|
|
if (!name) return tp;
|
|
return reg_type(tp, name, t);
|
|
}
|
|
|
|
static type_t *get_typev(BYTE type, var_t *name, int t)
|
|
{
|
|
char *sname = NULL;
|
|
if (name) {
|
|
sname = name->name;
|
|
free(name);
|
|
}
|
|
return get_type(type, sname, t);
|
|
}
|