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cf94095eb7
wine/tools/widl/parser.y
Rob Shearman 15af19c6ec widl: Add support for strict context handles.
2008-01-07 12:32:21 +01:00

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%{
/*
* IDL Compiler
*
* Copyright 2002 Ove Kaaven
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include <string.h>
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "typelib.h"
#include "typegen.h"
#if defined(YYBYACC)
/* Berkeley yacc (byacc) doesn't seem to know about these */
/* Some *BSD supplied versions do define these though */
# ifndef YYEMPTY
# define YYEMPTY (-1) /* Empty lookahead value of yychar */
# endif
# ifndef YYLEX
# define YYLEX yylex()
# endif
#elif defined(YYBISON)
/* Bison was used for original development */
/* #define YYEMPTY -2 */
/* #define YYLEX yylex() */
#else
/* No yacc we know yet */
# if !defined(YYEMPTY) || !defined(YYLEX)
# error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
# elif defined(__GNUC__) /* gcc defines the #warning directive */
# warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
/* #else we just take a chance that it works... */
# endif
#endif
unsigned char pointer_default = RPC_FC_UP;
typedef struct list typelist_t;
struct typenode {
type_t *type;
struct list entry;
};
typelist_t incomplete_types = LIST_INIT(incomplete_types);
static void add_incomplete(type_t *t);
static void fix_incomplete(void);
static str_list_t *append_str(str_list_t *list, char *str);
static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
static attr_t *make_attr(enum attr_type type);
static attr_t *make_attrv(enum attr_type type, unsigned long val);
static attr_t *make_attrp(enum attr_type type, void *val);
static expr_t *make_expr(enum expr_type type);
static expr_t *make_exprl(enum expr_type type, long val);
static expr_t *make_exprd(enum expr_type type, double val);
static expr_t *make_exprs(enum expr_type type, char *val);
static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr);
static expr_t *make_expr1(enum expr_type type, expr_t *expr);
static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
static type_t *make_type(unsigned char type, type_t *ref);
static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr, int top);
static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
static ifref_t *make_ifref(type_t *iface);
static var_list_t *append_var(var_list_t *list, var_t *var);
static var_t *make_var(char *name);
static pident_list_t *append_pident(pident_list_t *list, pident_t *p);
static pident_t *make_pident(var_t *var);
static func_list_t *append_func(func_list_t *list, func_t *func);
static func_t *make_func(var_t *def, var_list_t *args);
static type_t *make_class(char *name);
static type_t *make_safearray(type_t *type);
static type_t *make_builtin(char *name);
static type_t *make_int(int sign);
static type_t *reg_type(type_t *type, const char *name, int t);
static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
static type_t *find_type(const char *name, int t);
static type_t *find_type2(char *name, int t);
static type_t *get_type(unsigned char type, char *name, int t);
static type_t *get_typev(unsigned char type, var_t *name, int t);
static int get_struct_type(var_list_t *fields);
static var_t *reg_const(var_t *var);
static var_t *find_const(char *name, int f);
static void write_libid(const char *name, const attr_list_t *attr);
static void write_clsid(type_t *cls);
static void write_diid(type_t *iface);
static void write_iid(type_t *iface);
static int compute_method_indexes(type_t *iface);
static char *gen_name(void);
static void process_typedefs(var_list_t *names);
static void check_arg(var_t *arg);
static void check_all_user_types(ifref_list_t *ifaces);
#define tsENUM 1
#define tsSTRUCT 2
#define tsUNION 3
%}
%union {
attr_t *attr;
attr_list_t *attr_list;
str_list_t *str_list;
expr_t *expr;
expr_list_t *expr_list;
array_dims_t *array_dims;
type_t *type;
var_t *var;
var_list_t *var_list;
pident_t *pident;
pident_list_t *pident_list;
func_t *func;
func_list_t *func_list;
ifref_t *ifref;
ifref_list_t *ifref_list;
char *str;
UUID *uuid;
unsigned int num;
double dbl;
interface_info_t ifinfo;
}
%token <str> aIDENTIFIER
%token <str> aKNOWNTYPE
%token <num> aNUM aHEXNUM
%token <dbl> aDOUBLE
%token <str> aSTRING
%token <uuid> aUUID
%token aEOF
%token SHL SHR
%token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
%token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
%token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
%token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
%token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
%token tDEFAULT
%token tDEFAULTCOLLELEM
%token tDEFAULTVALUE
%token tDEFAULTVTABLE
%token tDISPLAYBIND
%token tDISPINTERFACE
%token tDLLNAME tDOUBLE tDUAL
%token tENDPOINT
%token tENTRY tENUM tERRORSTATUST
%token tEXPLICITHANDLE tEXTERN
%token tFALSE
%token tFLOAT
%token tHANDLE
%token tHANDLET
%token tHELPCONTEXT tHELPFILE
%token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
%token tHIDDEN
%token tHYPER tID tIDEMPOTENT
%token tIIDIS
%token tIMMEDIATEBIND
%token tIMPLICITHANDLE
%token tIMPORT tIMPORTLIB
%token tIN tINLINE
%token tINPUTSYNC
%token tINT tINT64
%token tINTERFACE
%token tLCID
%token tLENGTHIS tLIBRARY
%token tLOCAL
%token tLONG
%token tMETHODS
%token tMODULE
%token tNONBROWSABLE
%token tNONCREATABLE
%token tNONEXTENSIBLE
%token tOBJECT tODL tOLEAUTOMATION
%token tOPTIONAL
%token tOUT
%token tPOINTERDEFAULT
%token tPROPERTIES
%token tPROPGET tPROPPUT tPROPPUTREF
%token tPTR
%token tPUBLIC
%token tRANGE
%token tREADONLY tREF
%token tREQUESTEDIT
%token tRESTRICTED
%token tRETVAL
%token tSAFEARRAY
%token tSHORT
%token tSIGNED
%token tSINGLE
%token tSIZEIS tSIZEOF
%token tSMALL
%token tSOURCE
%token tSTDCALL
%token tSTRICTCONTEXTHANDLE
%token tSTRING tSTRUCT
%token tSWITCH tSWITCHIS tSWITCHTYPE
%token tTRANSMITAS
%token tTRUE
%token tTYPEDEF
%token tUNION
%token tUNIQUE
%token tUNSIGNED
%token tUUID
%token tV1ENUM
%token tVARARG
%token tVERSION
%token tVOID
%token tWCHAR tWIREMARSHAL
%type <attr> attribute
%type <attr_list> m_attributes attributes attrib_list
%type <str_list> str_list
%type <expr> m_expr expr expr_const
%type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
%type <array_dims> array array_list
%type <ifinfo> interfacehdr
%type <type> inherit interface interfacedef interfacedec
%type <type> dispinterface dispinterfacehdr dispinterfacedef
%type <type> module modulehdr moduledef
%type <type> base_type int_std
%type <type> enumdef structdef uniondef
%type <type> type
%type <ifref> coclass_int
%type <ifref_list> gbl_statements coclass_ints
%type <var> arg field s_field case enum constdef externdef
%type <var_list> m_args no_args args fields cases enums enum_list dispint_props
%type <var> m_ident t_ident ident
%type <pident> p_ident pident
%type <pident_list> pident_list
%type <func> funcdef
%type <func_list> int_statements dispint_meths
%type <type> coclass coclasshdr coclassdef
%type <num> pointer_type version
%type <str> libraryhdr
%type <uuid> uuid_string
%left ','
%right '?' ':'
%left '|'
%left '&'
%left '-' '+'
%left '*' '/'
%left SHL SHR
%right '~'
%right CAST
%right PPTR
%right NEG
%right ADDRESSOF
%%
input: gbl_statements { fix_incomplete();
check_all_user_types($1);
write_proxies($1);
write_client($1);
write_server($1);
write_dlldata($1);
}
;
gbl_statements: { $$ = NULL; }
| gbl_statements interfacedec { $$ = $1; }
| gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
| gbl_statements coclass ';' { $$ = $1;
reg_type($2, $2->name, 0);
if (!parse_only && do_header) write_coclass_forward($2);
}
| gbl_statements coclassdef { $$ = $1;
add_typelib_entry($2);
reg_type($2, $2->name, 0);
if (!parse_only && do_header) write_coclass_forward($2);
}
| gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
| gbl_statements librarydef { $$ = $1; }
| gbl_statements statement { $$ = $1; }
;
imp_statements: {}
| imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
| imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
| imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
| imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
reg_type($2, $2->name, 0);
if (!parse_only && do_header) write_coclass_forward($2);
}
| imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
| imp_statements statement {}
| imp_statements importlib {}
;
int_statements: { $$ = NULL; }
| int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
| int_statements statement { $$ = $1; }
;
statement: ';' {}
| constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
| cppquote {}
| enumdef ';' { if (!parse_only && do_header) {
write_type_def_or_decl(header, $1, FALSE, NULL);
fprintf(header, ";\n\n");
}
}
| externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
| import {}
| structdef ';' { if (!parse_only && do_header) {
write_type_def_or_decl(header, $1, FALSE, NULL);
fprintf(header, ";\n\n");
}
}
| typedef ';' {}
| uniondef ';' { if (!parse_only && do_header) {
write_type_def_or_decl(header, $1, FALSE, NULL);
fprintf(header, ";\n\n");
}
}
;
cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
;
import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
if (!do_import($2)) yychar = aEOF; }
;
import: import_start imp_statements aEOF {}
;
importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
;
libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
;
library_start: attributes libraryhdr '{' { start_typelib($2, $1);
if (!parse_only && do_header) write_library($2, $1);
if (!parse_only && do_idfile) write_libid($2, $1);
}
;
librarydef: library_start imp_statements '}' { end_typelib(); }
;
m_args: { $$ = NULL; }
| args
;
no_args: tVOID { $$ = NULL; }
;
args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
| args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
| no_args
;
/* split into two rules to get bison to resolve a tVOID conflict */
arg: attributes type pident array { $$ = $3->var;
$$->attrs = $1;
set_type($$, $2, $3->ptr_level, $4, TRUE);
free($3);
}
| type pident array { $$ = $2->var;
set_type($$, $1, $2->ptr_level, $3, TRUE);
free($2);
}
| attributes type pident '(' m_args ')' { $$ = $3->var;
$$->attrs = $1;
set_type($$, $2, $3->ptr_level - 1, NULL, TRUE);
free($3);
$$->args = $5;
}
| type pident '(' m_args ')' { $$ = $2->var;
set_type($$, $1, $2->ptr_level - 1, NULL, TRUE);
free($2);
$$->args = $4;
}
;
array: { $$ = NULL; }
| '[' array_list ']' { $$ = $2; }
| '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
;
array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
| array_list ',' expr { $$ = append_array( $1, $3 ); }
| array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
;
m_attributes: { $$ = NULL; }
| attributes
;
attributes:
'[' attrib_list ']' { $$ = $2;
if (!$$)
error_loc("empty attribute lists unsupported\n");
}
;
attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
| attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
| attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
;
str_list: aSTRING { $$ = append_str( NULL, $1 ); }
| str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
;
attribute: { $$ = NULL; }
| tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
| tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
| tASYNC { $$ = make_attr(ATTR_ASYNC); }
| tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
| tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
| tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
| tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
| tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
| tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
| tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
| tCONTROL { $$ = make_attr(ATTR_CONTROL); }
| tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
| tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
| tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
| tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
| tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
| tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
| tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
| tDUAL { $$ = make_attr(ATTR_DUAL); }
| tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
| tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
| tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
| tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
| tHANDLE { $$ = make_attr(ATTR_HANDLE); }
| tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
| tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
| tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
| tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
| tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
| tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
| tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
| tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
| tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
| tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
| tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
| tIN { $$ = make_attr(ATTR_IN); }
| tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
| tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
| tLOCAL { $$ = make_attr(ATTR_LOCAL); }
| tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
| tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
| tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
| tOBJECT { $$ = make_attr(ATTR_OBJECT); }
| tODL { $$ = make_attr(ATTR_ODL); }
| tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
| tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
| tOUT { $$ = make_attr(ATTR_OUT); }
| tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
| tPROPGET { $$ = make_attr(ATTR_PROPGET); }
| tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
| tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
| tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
| tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
list = append_expr( list, $5 );
$$ = make_attrp(ATTR_RANGE, list); }
| tREADONLY { $$ = make_attr(ATTR_READONLY); }
| tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
| tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
| tRETVAL { $$ = make_attr(ATTR_RETVAL); }
| tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
| tSOURCE { $$ = make_attr(ATTR_SOURCE); }
| tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
| tSTRING { $$ = make_attr(ATTR_STRING); }
| tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
| tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
| tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
| tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
| tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
| tVARARG { $$ = make_attr(ATTR_VARARG); }
| tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
| tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
| pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
;
uuid_string:
aUUID
| aSTRING { if (!is_valid_uuid($1))
error_loc("invalid UUID: %s\n", $1);
$$ = parse_uuid($1); }
;
callconv:
| tSTDCALL
;
cases: { $$ = NULL; }
| cases case { $$ = append_var( $1, $2 ); }
;
case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
$$ = $4; if (!$$) $$ = make_var(NULL);
$$->attrs = append_attr( $$->attrs, a );
}
| tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
$$ = $3; if (!$$) $$ = make_var(NULL);
$$->attrs = append_attr( $$->attrs, a );
}
;
constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
set_type($$, $2, 0, NULL, FALSE);
$$->eval = $5;
}
;
enums: { $$ = NULL; }
| enum_list ',' { $$ = $1; }
| enum_list
;
enum_list: enum { if (!$1->eval)
$1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
$$ = append_var( NULL, $1 );
}
| enum_list ',' enum { if (!$3->eval)
{
var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
$3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
}
$$ = append_var( $1, $3 );
}
;
enum: ident '=' expr_const { $$ = reg_const($1);
$$->eval = $3;
$$->type = make_int(0);
}
| ident { $$ = reg_const($1);
$$->type = make_int(0);
}
;
enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
$$->kind = TKIND_ENUM;
$$->fields = $4;
$$->defined = TRUE;
if(in_typelib)
add_typelib_entry($$);
}
;
m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
| m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
;
/*
exprs: { $$ = make_expr(EXPR_VOID); }
| expr_list
;
expr_list: expr
| expr_list ',' expr { LINK($3, $1); $$ = $3; }
;
*/
m_expr: { $$ = make_expr(EXPR_VOID); }
| expr
;
expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
| aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
| aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
| tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
| tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
| aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
| expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
| expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
| expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
| expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
| expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
| expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
| expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
| expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
| expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
| '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
| '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
| '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
| '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
| '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
| tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
| '(' expr ')' { $$ = $2; }
;
expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
| expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
;
expr_const: expr { $$ = $1;
if (!$$->is_const)
error_loc("expression is not constant\n");
}
;
externdef: tEXTERN tCONST type ident { $$ = $4;
set_type($$, $3, 0, NULL, FALSE);
}
;
fields: { $$ = NULL; }
| fields field { $$ = append_var( $1, $2 ); }
;
field: s_field ';' { $$ = $1; }
| m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
| attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
| ';' { $$ = NULL; }
;
s_field: m_attributes type pident array { $$ = $3->var;
$$->attrs = $1;
set_type($$, $2, $3->ptr_level, $4, FALSE);
free($3);
}
;
funcdef:
m_attributes type callconv pident
'(' m_args ')' { var_t *v = $4->var;
v->attrs = $1;
set_type(v, $2, $4->ptr_level, NULL, FALSE);
free($4);
$$ = make_func(v, $6);
if (is_attr(v->attrs, ATTR_IN)) {
error_loc("inapplicable attribute [in] for function '%s'\n",$$->def->name);
}
}
;
m_ident: { $$ = NULL; }
| ident
;
t_ident: { $$ = NULL; }
| aIDENTIFIER { $$ = make_var($1); }
| aKNOWNTYPE { $$ = make_var($1); }
;
ident: aIDENTIFIER { $$ = make_var($1); }
/* some "reserved words" used in attributes are also used as field names in some MS IDL files */
| aKNOWNTYPE { $$ = make_var($<str>1); }
;
base_type: tBYTE { $$ = make_builtin($<str>1); }
| tWCHAR { $$ = make_builtin($<str>1); }
| int_std
| tSIGNED int_std { $$ = $2; $$->sign = 1; }
| tUNSIGNED int_std { $$ = $2; $$->sign = -1;
switch ($$->type) {
case RPC_FC_CHAR: break;
case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
case RPC_FC_HYPER:
if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
{
$$ = alias($$, "MIDL_uhyper");
$$->sign = 0;
}
break;
default: break;
}
}
| tUNSIGNED { $$ = make_int(-1); }
| tFLOAT { $$ = make_builtin($<str>1); }
| tSINGLE { $$ = duptype(find_type("float", 0), 1); }
| tDOUBLE { $$ = make_builtin($<str>1); }
| tBOOLEAN { $$ = make_builtin($<str>1); }
| tERRORSTATUST { $$ = make_builtin($<str>1); }
| tHANDLET { $$ = make_builtin($<str>1); }
;
m_int:
| tINT
;
int_std: tINT { $$ = make_builtin($<str>1); }
| tSHORT m_int { $$ = make_builtin($<str>1); }
| tSMALL { $$ = make_builtin($<str>1); }
| tLONG m_int { $$ = make_builtin($<str>1); }
| tHYPER m_int { $$ = make_builtin($<str>1); }
| tINT64 { $$ = make_builtin($<str>1); }
| tCHAR { $$ = make_builtin($<str>1); }
;
coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
| tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
if ($$->defined) error_loc("multiple definition error\n");
if ($$->kind != TKIND_COCLASS) error_loc("%s was not declared a coclass\n", $2);
}
;
coclasshdr: attributes coclass { $$ = $2;
$$->attrs = $1;
if (!parse_only && do_header)
write_coclass($$);
if (!parse_only && do_idfile)
write_clsid($$);
}
;
coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
$$->ifaces = $3;
$$->defined = TRUE;
}
;
coclass_ints: { $$ = NULL; }
| coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
;
coclass_int:
m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
;
dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
| tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
;
dispinterfacehdr: attributes dispinterface { attr_t *attrs;
$$ = $2;
if ($$->defined) error_loc("multiple definition error\n");
attrs = make_attr(ATTR_DISPINTERFACE);
$$->attrs = append_attr( $1, attrs );
$$->ref = find_type("IDispatch", 0);
if (!$$->ref) error_loc("IDispatch is undefined\n");
$$->defined = TRUE;
if (!parse_only && do_header) write_forward($$);
}
;
dispint_props: tPROPERTIES ':' { $$ = NULL; }
| dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
;
dispint_meths: tMETHODS ':' { $$ = NULL; }
| dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
;
dispinterfacedef: dispinterfacehdr '{'
dispint_props
dispint_meths
'}' { $$ = $1;
$$->fields = $3;
$$->funcs = $4;
if (!parse_only && do_header) write_dispinterface($$);
if (!parse_only && do_idfile) write_diid($$);
}
| dispinterfacehdr
'{' interface ';' '}' { $$ = $1;
$$->fields = $3->fields;
$$->funcs = $3->funcs;
if (!parse_only && do_header) write_dispinterface($$);
if (!parse_only && do_idfile) write_diid($$);
}
;
inherit: { $$ = NULL; }
| ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
;
interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
| tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
;
interfacehdr: attributes interface { $$.interface = $2;
$$.old_pointer_default = pointer_default;
if (is_attr($1, ATTR_POINTERDEFAULT))
pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
if ($2->defined) error_loc("multiple definition error\n");
$2->attrs = $1;
$2->defined = TRUE;
if (!parse_only && do_header) write_forward($2);
}
;
interfacedef: interfacehdr inherit
'{' int_statements '}' { $$ = $1.interface;
$$->ref = $2;
$$->funcs = $4;
compute_method_indexes($$);
if (!parse_only && do_header) write_interface($$);
if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
if (!parse_only && do_idfile) write_iid($$);
pointer_default = $1.old_pointer_default;
}
/* MIDL is able to import the definition of a base class from inside the
* definition of a derived class, I'll try to support it with this rule */
| interfacehdr ':' aIDENTIFIER
'{' import int_statements '}' { $$ = $1.interface;
$$->ref = find_type2($3, 0);
if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
$$->funcs = $6;
compute_method_indexes($$);
if (!parse_only && do_header) write_interface($$);
if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
if (!parse_only && do_idfile) write_iid($$);
pointer_default = $1.old_pointer_default;
}
| dispinterfacedef { $$ = $1; }
;
interfacedec:
interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
| dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
;
module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
| tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
;
modulehdr: attributes module { $$ = $2;
$$->attrs = $1;
}
;
moduledef: modulehdr '{' int_statements '}' { $$ = $1;
$$->funcs = $3;
/* FIXME: if (!parse_only && do_header) write_module($$); */
}
;
p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
| tCONST p_ident { $$ = $2; /* FIXME */ }
;
pident: ident { $$ = make_pident($1); }
| p_ident
| '(' pident ')' { $$ = $2; }
;
pident_list:
pident { $$ = append_pident( NULL, $1 ); }
| pident_list ',' pident { $$ = append_pident( $1, $3 ); }
;
pointer_type:
tREF { $$ = RPC_FC_RP; }
| tUNIQUE { $$ = RPC_FC_UP; }
| tPTR { $$ = RPC_FC_FP; }
;
structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
/* overwrite RPC_FC_STRUCT with a more exact type */
$$->type = get_struct_type( $4 );
$$->kind = TKIND_RECORD;
$$->fields = $4;
$$->defined = TRUE;
if(in_typelib)
add_typelib_entry($$);
}
;
type: tVOID { $$ = duptype(find_type("void", 0), 1); }
| aKNOWNTYPE { $$ = find_type($1, 0); }
| base_type { $$ = $1; }
| tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
| enumdef { $$ = $1; }
| tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
| structdef { $$ = $1; }
| tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
| uniondef { $$ = $1; }
| tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
| tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
;
typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
process_typedefs($4);
}
;
uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
$$->kind = TKIND_UNION;
$$->fields = $4;
$$->defined = TRUE;
}
| tUNION t_ident
tSWITCH '(' s_field ')'
m_ident '{' cases '}' { var_t *u = $7;
$$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
$$->kind = TKIND_UNION;
if (!u) u = make_var( xstrdup("tagged_union") );
u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
u->type->kind = TKIND_UNION;
u->type->fields = $9;
u->type->defined = TRUE;
$$->fields = append_var( $$->fields, $5 );
$$->fields = append_var( $$->fields, u );
$$->defined = TRUE;
}
;
version:
aNUM { $$ = MAKEVERSION($1, 0); }
| aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
;
%%
static void decl_builtin(const char *name, unsigned char type)
{
type_t *t = make_type(type, NULL);
t->name = xstrdup(name);
reg_type(t, name, 0);
}
static type_t *make_builtin(char *name)
{
/* NAME is strdup'd in the lexer */
type_t *t = duptype(find_type(name, 0), 0);
t->name = name;
return t;
}
static type_t *make_int(int sign)
{
type_t *t = duptype(find_type("int", 0), 1);
t->sign = sign;
if (sign < 0)
t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
return t;
}
void init_types(void)
{
decl_builtin("void", 0);
decl_builtin("byte", RPC_FC_BYTE);
decl_builtin("wchar_t", RPC_FC_WCHAR);
decl_builtin("int", RPC_FC_LONG); /* win32 */
decl_builtin("short", RPC_FC_SHORT);
decl_builtin("small", RPC_FC_SMALL);
decl_builtin("long", RPC_FC_LONG);
decl_builtin("hyper", RPC_FC_HYPER);
decl_builtin("__int64", RPC_FC_HYPER);
decl_builtin("char", RPC_FC_CHAR);
decl_builtin("float", RPC_FC_FLOAT);
decl_builtin("double", RPC_FC_DOUBLE);
decl_builtin("boolean", RPC_FC_BYTE);
decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
}
static str_list_t *append_str(str_list_t *list, char *str)
{
struct str_list_entry_t *entry;
if (!str) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
entry = xmalloc( sizeof(*entry) );
entry->str = str;
list_add_tail( list, &entry->entry );
return list;
}
static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
{
if (!attr) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &attr->entry );
return list;
}
static attr_t *make_attr(enum attr_type type)
{
attr_t *a = xmalloc(sizeof(attr_t));
a->type = type;
a->u.ival = 0;
return a;
}
static attr_t *make_attrv(enum attr_type type, unsigned long val)
{
attr_t *a = xmalloc(sizeof(attr_t));
a->type = type;
a->u.ival = val;
return a;
}
static attr_t *make_attrp(enum attr_type type, void *val)
{
attr_t *a = xmalloc(sizeof(attr_t));
a->type = type;
a->u.pval = val;
return a;
}
static expr_t *make_expr(enum expr_type type)
{
expr_t *e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = NULL;
e->u.lval = 0;
e->is_const = FALSE;
e->cval = 0;
return e;
}
static expr_t *make_exprl(enum expr_type type, long val)
{
expr_t *e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = NULL;
e->u.lval = val;
e->is_const = FALSE;
/* check for numeric constant */
if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
/* make sure true/false value is valid */
assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
e->is_const = TRUE;
e->cval = val;
}
return e;
}
static expr_t *make_exprd(enum expr_type type, double val)
{
expr_t *e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = NULL;
e->u.dval = val;
e->is_const = TRUE;
e->cval = val;
return e;
}
static expr_t *make_exprs(enum expr_type type, char *val)
{
expr_t *e;
e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = NULL;
e->u.sval = val;
e->is_const = FALSE;
/* check for predefined constants */
if (type == EXPR_IDENTIFIER) {
var_t *c = find_const(val, 0);
if (c) {
e->u.sval = c->name;
free(val);
e->is_const = TRUE;
e->cval = c->eval->cval;
}
}
return e;
}
static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
{
expr_t *e;
e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = expr;
e->u.tref = tref;
e->is_const = FALSE;
/* check for cast of constant expression */
if (type == EXPR_SIZEOF) {
switch (tref->type) {
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_SMALL:
case RPC_FC_USMALL:
e->is_const = TRUE;
e->cval = 1;
break;
case RPC_FC_WCHAR:
case RPC_FC_USHORT:
case RPC_FC_SHORT:
e->is_const = TRUE;
e->cval = 2;
break;
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_FLOAT:
case RPC_FC_ERROR_STATUS_T:
e->is_const = TRUE;
e->cval = 4;
break;
case RPC_FC_HYPER:
case RPC_FC_DOUBLE:
e->is_const = TRUE;
e->cval = 8;
break;
}
}
if (type == EXPR_CAST && expr->is_const) {
e->is_const = TRUE;
e->cval = expr->cval;
}
return e;
}
static expr_t *make_expr1(enum expr_type type, expr_t *expr)
{
expr_t *e;
if (type == EXPR_ADDRESSOF && expr->type != EXPR_IDENTIFIER)
error("address-of operator applied to invalid expression\n");
e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = expr;
e->u.lval = 0;
e->is_const = FALSE;
/* check for compile-time optimization */
if (expr->is_const) {
e->is_const = TRUE;
switch (type) {
case EXPR_NEG:
e->cval = -expr->cval;
break;
case EXPR_NOT:
e->cval = ~expr->cval;
break;
default:
e->is_const = FALSE;
break;
}
}
return e;
}
static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
{
expr_t *e;
e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = expr1;
e->u.ext = expr2;
e->is_const = FALSE;
/* check for compile-time optimization */
if (expr1->is_const && expr2->is_const) {
e->is_const = TRUE;
switch (type) {
case EXPR_ADD:
e->cval = expr1->cval + expr2->cval;
break;
case EXPR_SUB:
e->cval = expr1->cval - expr2->cval;
break;
case EXPR_MUL:
e->cval = expr1->cval * expr2->cval;
break;
case EXPR_DIV:
e->cval = expr1->cval / expr2->cval;
break;
case EXPR_OR:
e->cval = expr1->cval | expr2->cval;
break;
case EXPR_AND:
e->cval = expr1->cval & expr2->cval;
break;
case EXPR_SHL:
e->cval = expr1->cval << expr2->cval;
break;
case EXPR_SHR:
e->cval = expr1->cval >> expr2->cval;
break;
default:
e->is_const = FALSE;
break;
}
}
return e;
}
static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
{
expr_t *e;
e = xmalloc(sizeof(expr_t));
e->type = type;
e->ref = expr1;
e->u.ext = expr2;
e->ext2 = expr3;
e->is_const = FALSE;
/* check for compile-time optimization */
if (expr1->is_const && expr2->is_const && expr3->is_const) {
e->is_const = TRUE;
switch (type) {
case EXPR_COND:
e->cval = expr1->cval ? expr2->cval : expr3->cval;
break;
default:
e->is_const = FALSE;
break;
}
}
return e;
}
static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
{
if (!expr) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &expr->entry );
return list;
}
static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
{
if (!expr) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &expr->entry );
return list;
}
static struct list type_pool = LIST_INIT(type_pool);
typedef struct
{
type_t data;
struct list link;
} type_pool_node_t;
type_t *alloc_type(void)
{
type_pool_node_t *node = xmalloc(sizeof *node);
list_add_tail(&type_pool, &node->link);
return &node->data;
}
void set_all_tfswrite(int val)
{
type_pool_node_t *node;
LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
node->data.tfswrite = val;
}
static type_t *make_type(unsigned char type, type_t *ref)
{
type_t *t = alloc_type();
t->name = NULL;
t->kind = TKIND_PRIMITIVE;
t->type = type;
t->ref = ref;
t->attrs = NULL;
t->orig = NULL;
t->funcs = NULL;
t->fields = NULL;
t->ifaces = NULL;
t->dim = 0;
t->size_is = NULL;
t->length_is = NULL;
t->typestring_offset = 0;
t->ptrdesc = 0;
t->declarray = FALSE;
t->ignore = (parse_only != 0);
t->is_const = FALSE;
t->sign = 0;
t->defined = FALSE;
t->written = FALSE;
t->user_types_registered = FALSE;
t->tfswrite = FALSE;
t->typelib_idx = -1;
return t;
}
static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr,
int top)
{
expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
int ptr_type = ptr_attr;
int sizeless, has_varconf;
expr_t *dim;
type_t *atype, **ptype;
v->type = type;
if (!ptr_type && top)
ptr_type = RPC_FC_RP;
for ( ; 0 < ptr_level; --ptr_level)
{
v->type = make_type(pointer_default, v->type);
if (ptr_level == 1 && ptr_type && !arr)
{
v->type->type = ptr_type;
ptr_type = 0;
}
}
if (ptr_type && !arr)
{
if (is_ptr(v->type))
{
if (v->type->type != ptr_type)
{
v->type = duptype(v->type, 1);
v->type->type = ptr_type;
}
}
else if (!arr && ptr_attr)
error("%s: pointer attribute applied to non-pointer type\n", v->name);
}
sizeless = FALSE;
if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
{
if (sizeless)
error("%s: only the first array dimension can be unspecified\n", v->name);
if (dim->is_const)
{
unsigned int align = 0;
size_t size = type_memsize(v->type, &align);
if (dim->cval <= 0)
error("%s: array dimension must be positive\n", v->name);
if (0xffffffffuL / size < (unsigned long) dim->cval)
error("%s: total array size is too large\n", v->name);
else if (0xffffuL < size * dim->cval)
v->type = make_type(RPC_FC_LGFARRAY, v->type);
else
v->type = make_type(RPC_FC_SMFARRAY, v->type);
}
else
{
sizeless = TRUE;
v->type = make_type(RPC_FC_CARRAY, v->type);
}
v->type->declarray = TRUE;
v->type->dim = dim->cval;
}
ptype = &v->type;
has_varconf = FALSE;
if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
{
if (dim->type != EXPR_VOID)
{
has_varconf = TRUE;
atype = *ptype = duptype(*ptype, 0);
if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
error("%s: cannot specify size_is for a fixed sized array\n", v->name);
if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
error("%s: size_is attribute applied to illegal type\n", v->name);
atype->type = RPC_FC_CARRAY;
atype->size_is = dim;
}
ptype = &(*ptype)->ref;
if (*ptype == NULL)
error("%s: too many expressions in size_is attribute\n", v->name);
}
ptype = &v->type;
if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
{
if (dim->type != EXPR_VOID)
{
has_varconf = TRUE;
atype = *ptype = duptype(*ptype, 0);
if (atype->type == RPC_FC_SMFARRAY)
atype->type = RPC_FC_SMVARRAY;
else if (atype->type == RPC_FC_LGFARRAY)
atype->type = RPC_FC_LGVARRAY;
else if (atype->type == RPC_FC_CARRAY)
atype->type = RPC_FC_CVARRAY;
else
error("%s: length_is attribute applied to illegal type\n", v->name);
atype->length_is = dim;
}
ptype = &(*ptype)->ref;
if (*ptype == NULL)
error("%s: too many expressions in length_is attribute\n", v->name);
}
if (has_varconf && !last_array(v->type))
{
ptype = &v->type;
for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
{
*ptype = duptype(*ptype, 0);
(*ptype)->type = RPC_FC_BOGUS_ARRAY;
}
}
if (is_array(v->type))
{
const type_t *rt = v->type->ref;
if (is_user_type(rt))
v->type->type = RPC_FC_BOGUS_ARRAY;
else
switch (rt->type)
{
case RPC_FC_BOGUS_STRUCT:
case RPC_FC_NON_ENCAPSULATED_UNION:
case RPC_FC_ENCAPSULATED_UNION:
case RPC_FC_ENUM16:
v->type->type = RPC_FC_BOGUS_ARRAY;
break;
/* FC_RP should be above, but widl overuses these, and will break things. */
case RPC_FC_UP:
case RPC_FC_RP:
if (rt->ref->type == RPC_FC_IP)
v->type->type = RPC_FC_BOGUS_ARRAY;
break;
}
}
}
static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
{
if (!iface) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &iface->entry );
return list;
}
static ifref_t *make_ifref(type_t *iface)
{
ifref_t *l = xmalloc(sizeof(ifref_t));
l->iface = iface;
l->attrs = NULL;
return l;
}
static var_list_t *append_var(var_list_t *list, var_t *var)
{
if (!var) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &var->entry );
return list;
}
static var_t *make_var(char *name)
{
var_t *v = xmalloc(sizeof(var_t));
v->name = name;
v->type = NULL;
v->args = NULL;
v->attrs = NULL;
v->eval = NULL;
return v;
}
static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
{
if (!p) return list;
if (!list) {
list = xmalloc(sizeof(*list));
list_init(list);
}
list_add_tail(list, &p->entry);
return list;
}
static pident_t *make_pident(var_t *var)
{
pident_t *p = xmalloc(sizeof(*p));
p->var = var;
p->ptr_level = 0;
return p;
}
static func_list_t *append_func(func_list_t *list, func_t *func)
{
if (!func) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &func->entry );
return list;
}
static func_t *make_func(var_t *def, var_list_t *args)
{
func_t *f = xmalloc(sizeof(func_t));
f->def = def;
f->args = args;
f->ignore = parse_only;
f->idx = -1;
return f;
}
static type_t *make_class(char *name)
{
type_t *c = make_type(0, NULL);
c->name = name;
c->kind = TKIND_COCLASS;
return c;
}
static type_t *make_safearray(type_t *type)
{
type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
sa->ref = type;
return make_type(pointer_default, sa);
}
#define HASHMAX 64
static int hash_ident(const char *name)
{
const char *p = name;
int sum = 0;
/* a simple sum hash is probably good enough */
while (*p) {
sum += *p;
p++;
}
return sum & (HASHMAX-1);
}
/***** type repository *****/
struct rtype {
const char *name;
type_t *type;
int t;
struct rtype *next;
};
struct rtype *type_hash[HASHMAX];
static type_t *reg_type(type_t *type, const char *name, int t)
{
struct rtype *nt;
int hash;
if (!name) {
error_loc("registering named type without name\n");
return type;
}
hash = hash_ident(name);
nt = xmalloc(sizeof(struct rtype));
nt->name = name;
nt->type = type;
nt->t = t;
nt->next = type_hash[hash];
type_hash[hash] = nt;
return type;
}
static int is_incomplete(const type_t *t)
{
return !t->defined && (is_struct(t->type) || is_union(t->type));
}
static void add_incomplete(type_t *t)
{
struct typenode *tn = xmalloc(sizeof *tn);
tn->type = t;
list_add_tail(&incomplete_types, &tn->entry);
}
static void fix_type(type_t *t)
{
if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
type_t *ot = t->orig;
fix_type(ot);
t->fields = ot->fields;
t->defined = ot->defined;
}
}
static void fix_incomplete(void)
{
struct typenode *tn, *next;
LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
fix_type(tn->type);
free(tn);
}
}
static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
{
type_t *ptr = type;
const pident_t *pident;
int ptrc = 0;
int is_str = is_attr(attrs, ATTR_STRING);
unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
if (is_str)
{
type_t *t = type;
unsigned char c;
while (is_ptr(t))
t = t->ref;
c = t->type;
if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
{
pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
pident->var->name);
}
}
/* We must generate names for tagless enum, struct or union.
Typedef-ing a tagless enum, struct or union means we want the typedef
to be included in a library whether it has other attributes or not,
hence the public attribute. */
if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
|| type->kind == TKIND_UNION) && ! type->name && ! parse_only)
{
if (! is_attr(attrs, ATTR_PUBLIC))
attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
type->name = gen_name();
}
LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
{
var_t *name = pident->var;
if (name->name) {
type_t *cur = ptr;
int cptr = pident->ptr_level;
if (cptr > ptrc) {
while (cptr > ptrc) {
cur = ptr = make_type(pointer_default, cur);
ptrc++;
}
} else {
while (cptr < ptrc) {
cur = cur->ref;
cptr++;
}
}
cur = alias(cur, name->name);
cur->attrs = attrs;
if (ptr_type)
{
if (is_ptr(cur))
cur->type = ptr_type;
else
error_loc("'%s': pointer attribute applied to non-pointer type\n",
cur->name);
}
else if (is_str && ! is_ptr(cur))
error_loc("'%s': [string] attribute applied to non-pointer type\n",
cur->name);
if (is_incomplete(cur))
add_incomplete(cur);
reg_type(cur, cur->name, 0);
}
}
return type;
}
static type_t *find_type(const char *name, int t)
{
struct rtype *cur = type_hash[hash_ident(name)];
while (cur && (cur->t != t || strcmp(cur->name, name)))
cur = cur->next;
if (!cur) {
error_loc("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 = type_hash[hash_ident(name)];
while (cur && (cur->t || strcmp(cur->name, name)))
cur = cur->next;
if (cur) return TRUE;
return FALSE;
}
static type_t *get_type(unsigned char type, char *name, int t)
{
struct rtype *cur = NULL;
type_t *tp;
if (name) {
cur = type_hash[hash_ident(name)];
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(unsigned char type, var_t *name, int t)
{
char *sname = NULL;
if (name) {
sname = name->name;
free(name);
}
return get_type(type, sname, t);
}
static int get_struct_type(var_list_t *fields)
{
int has_pointer = 0;
int has_conformance = 0;
int has_variance = 0;
var_t *field;
if (get_padding(fields))
return RPC_FC_BOGUS_STRUCT;
if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
{
type_t *t = field->type;
if (is_user_type(t))
return RPC_FC_BOGUS_STRUCT;
if (is_ptr(t))
{
do
t = t->ref;
while (is_ptr(t));
switch (t->type)
{
case RPC_FC_IP:
case RPC_FC_ENCAPSULATED_UNION:
case RPC_FC_NON_ENCAPSULATED_UNION:
case RPC_FC_BOGUS_STRUCT:
return RPC_FC_BOGUS_STRUCT;
}
has_pointer = 1;
continue;
}
if (field->type->declarray)
{
if (is_string_type(field->attrs, field->type))
{
if (is_conformant_array(field->type))
has_conformance = 1;
has_variance = 1;
continue;
}
if (is_array(field->type->ref))
return RPC_FC_BOGUS_STRUCT;
if (is_conformant_array(field->type))
{
has_conformance = 1;
if (field->type->declarray && list_next(fields, &field->entry))
error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
field->name);
}
if (field->type->length_is)
has_variance = 1;
t = field->type->ref;
}
switch (t->type)
{
/*
* RPC_FC_BYTE, RPC_FC_STRUCT, etc
* Simple types don't effect the type of struct.
* A struct containing a simple struct is still a simple struct.
* So long as we can block copy the data, we return RPC_FC_STRUCT.
*/
case 0: /* void pointer */
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_SMALL:
case RPC_FC_USMALL:
case RPC_FC_WCHAR:
case RPC_FC_SHORT:
case RPC_FC_USHORT:
case RPC_FC_LONG:
case RPC_FC_ULONG:
case RPC_FC_INT3264:
case RPC_FC_UINT3264:
case RPC_FC_HYPER:
case RPC_FC_FLOAT:
case RPC_FC_DOUBLE:
case RPC_FC_STRUCT:
case RPC_FC_ENUM16:
case RPC_FC_ENUM32:
break;
case RPC_FC_RP:
case RPC_FC_UP:
case RPC_FC_FP:
case RPC_FC_OP:
case RPC_FC_CARRAY:
case RPC_FC_CVARRAY:
case RPC_FC_BOGUS_ARRAY:
has_pointer = 1;
break;
/*
* Propagate member attributes
* a struct should be at least as complex as its member
*/
case RPC_FC_CVSTRUCT:
has_conformance = 1;
has_variance = 1;
has_pointer = 1;
break;
case RPC_FC_CPSTRUCT:
has_conformance = 1;
if (list_next( fields, &field->entry ))
error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
field->name);
has_pointer = 1;
break;
case RPC_FC_CSTRUCT:
has_conformance = 1;
if (list_next( fields, &field->entry ))
error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
field->name);
break;
case RPC_FC_PSTRUCT:
has_pointer = 1;
break;
default:
error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
/* fallthru - treat it as complex */
/* as soon as we see one of these these members, it's bogus... */
case RPC_FC_ENCAPSULATED_UNION:
case RPC_FC_NON_ENCAPSULATED_UNION:
case RPC_FC_BOGUS_STRUCT:
return RPC_FC_BOGUS_STRUCT;
}
}
if( has_variance )
{
if ( has_conformance )
return RPC_FC_CVSTRUCT;
else
return RPC_FC_BOGUS_STRUCT;
}
if( has_conformance && has_pointer )
return RPC_FC_CPSTRUCT;
if( has_conformance )
return RPC_FC_CSTRUCT;
if( has_pointer )
return RPC_FC_PSTRUCT;
return RPC_FC_STRUCT;
}
/***** constant repository *****/
struct rconst {
char *name;
var_t *var;
struct rconst *next;
};
struct rconst *const_hash[HASHMAX];
static var_t *reg_const(var_t *var)
{
struct rconst *nc;
int hash;
if (!var->name) {
error_loc("registering constant without name\n");
return var;
}
hash = hash_ident(var->name);
nc = xmalloc(sizeof(struct rconst));
nc->name = var->name;
nc->var = var;
nc->next = const_hash[hash];
const_hash[hash] = nc;
return var;
}
static var_t *find_const(char *name, int f)
{
struct rconst *cur = const_hash[hash_ident(name)];
while (cur && strcmp(cur->name, name))
cur = cur->next;
if (!cur) {
if (f) error_loc("constant '%s' not found\n", name);
return NULL;
}
return cur->var;
}
static void write_libid(const char *name, const attr_list_t *attr)
{
const UUID *uuid = get_attrp(attr, ATTR_UUID);
write_guid(idfile, "LIBID", name, uuid);
}
static void write_clsid(type_t *cls)
{
const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
write_guid(idfile, "CLSID", cls->name, uuid);
}
static void write_diid(type_t *iface)
{
const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
write_guid(idfile, "DIID", iface->name, uuid);
}
static void write_iid(type_t *iface)
{
const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
write_guid(idfile, "IID", iface->name, uuid);
}
static int compute_method_indexes(type_t *iface)
{
int idx;
func_t *f;
if (iface->ref)
idx = compute_method_indexes(iface->ref);
else
idx = 0;
if (!iface->funcs)
return idx;
LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
if (! is_callas(f->def->attrs))
f->idx = idx++;
return idx;
}
static char *gen_name(void)
{
static const char format[] = "__WIDL_%s_generated_name_%08lX";
static unsigned long n = 0;
static const char *file_id;
static size_t size;
char *name;
if (! file_id)
{
char *dst = dup_basename(input_name, ".idl");
file_id = dst;
for (; *dst; ++dst)
if (! isalnum((unsigned char) *dst))
*dst = '_';
size = sizeof format - 7 + strlen(file_id) + 8;
}
name = xmalloc(size);
sprintf(name, format, file_id, n++);
return name;
}
static void process_typedefs(pident_list_t *pidents)
{
pident_t *pident, *next;
if (!pidents) return;
LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
{
var_t *var = pident->var;
type_t *type = find_type(var->name, 0);
if (! parse_only && do_header)
write_typedef(type);
if (in_typelib && type->attrs)
add_typelib_entry(type);
free(pident);
free(var);
}
}
static void check_arg(var_t *arg)
{
type_t *t = arg->type;
if (t->type == 0 && ! is_var_ptr(arg))
error_loc("argument '%s' has void type\n", arg->name);
}
static void check_all_user_types(ifref_list_t *ifrefs)
{
const ifref_t *ifref;
const func_t *f;
if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry)
{
const func_list_t *fs = ifref->iface->funcs;
if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
check_for_user_types_and_context_handles(f->args);
}
}
int is_valid_uuid(const char *s)
{
int i;
for (i = 0; i < 36; ++i)
if (i == 8 || i == 13 || i == 18 || i == 23)
{
if (s[i] != '-')
return FALSE;
}
else
if (!isxdigit(s[i]))
return FALSE;
return s[i] == '\0';
}
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