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wine/tools/widl/parser.y
Alexandre Julliard c31948a775 widl: Make the function return value a variable.
2011-09-17 16:09:47 +02:00

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%{
/*
* IDL Compiler
*
* Copyright 2002 Ove Kaaven
* Copyright 2006-2008 Robert Shearman
*
* 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>
#include "widl.h"
#include "utils.h"
#include "parser.h"
#include "header.h"
#include "typelib.h"
#include "typegen.h"
#include "expr.h"
#include "typetree.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
#define YYERROR_VERBOSE
static unsigned char pointer_default = RPC_FC_UP;
typedef struct list typelist_t;
struct typenode {
type_t *type;
struct list entry;
};
struct _import_t
{
char *name;
int import_performed;
};
typedef struct _decl_spec_t
{
type_t *type;
attr_list_t *attrs;
enum storage_class stgclass;
} decl_spec_t;
typelist_t incomplete_types = LIST_INIT(incomplete_types);
static void fix_incomplete(void);
static void fix_incomplete_types(type_t *complete_type);
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_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass);
static attr_t *make_attr(enum attr_type type);
static attr_t *make_attrv(enum attr_type type, unsigned int val);
static attr_t *make_attrp(enum attr_type type, void *val);
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 var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
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_list(var_list_t *list, var_list_t *vars);
static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
static declarator_t *make_declarator(var_t *var);
static type_t *make_safearray(type_t *type);
static typelib_t *make_library(const char *name, const attr_list_t *attrs);
static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
static type_t *find_type_or_error(const char *name, int t);
static type_t *find_type_or_error2(char *name, int t);
static var_t *reg_const(var_t *var);
static char *gen_name(void);
static void check_arg_attrs(const var_t *arg);
static void check_statements(const statement_list_t *stmts, int is_inside_library);
static void check_all_user_types(const statement_list_t *stmts);
static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
static attr_list_t *check_enum_attrs(attr_list_t *attrs);
static attr_list_t *check_struct_attrs(attr_list_t *attrs);
static attr_list_t *check_union_attrs(attr_list_t *attrs);
static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
const char *get_attr_display_name(enum attr_type type);
static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
static void check_def(const type_t *t);
static statement_t *make_statement(enum statement_type type);
static statement_t *make_statement_type_decl(type_t *type);
static statement_t *make_statement_reference(type_t *type);
static statement_t *make_statement_declaration(var_t *var);
static statement_t *make_statement_library(typelib_t *typelib);
static statement_t *make_statement_cppquote(const char *str);
static statement_t *make_statement_importlib(const char *str);
static statement_t *make_statement_module(type_t *type);
static statement_t *make_statement_typedef(var_list_t *names);
static statement_t *make_statement_import(const char *str);
static statement_t *make_statement_typedef(var_list_t *names);
static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
%}
%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;
declarator_t *declarator;
declarator_list_t *declarator_list;
statement_t *statement;
statement_list_t *stmt_list;
ifref_t *ifref;
ifref_list_t *ifref_list;
char *str;
UUID *uuid;
unsigned int num;
double dbl;
interface_info_t ifinfo;
typelib_t *typelib;
struct _import_t *import;
struct _decl_spec_t *declspec;
enum storage_class stgclass;
}
%token <str> aIDENTIFIER
%token <str> aKNOWNTYPE
%token <num> aNUM aHEXNUM
%token <dbl> aDOUBLE
%token <str> aSTRING aWSTRING aSQSTRING
%token <uuid> aUUID
%token aEOF
%token SHL SHR
%token MEMBERPTR
%token EQUALITY INEQUALITY
%token GREATEREQUAL LESSEQUAL
%token LOGICALOR LOGICALAND
%token ELLIPSIS
%token tAGGREGATABLE tALLOCATE tANNOTATION 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 tDECODE tDEFAULT tDEFAULTBIND
%token tDEFAULTCOLLELEM
%token tDEFAULTVALUE
%token tDEFAULTVTABLE
%token tDISABLECONSISTENCYCHECK tDISPLAYBIND
%token tDISPINTERFACE
%token tDLLNAME tDOUBLE tDUAL
%token tENABLEALLOCATE tENCODE tENDPOINT
%token tENTRY tENUM tERRORSTATUST
%token tEXPLICITHANDLE tEXTERN
%token tFALSE
%token tFASTCALL tFAULTSTATUS
%token tFLOAT tFORCEALLOCATE
%token tHANDLE
%token tHANDLET
%token tHELPCONTEXT tHELPFILE
%token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
%token tHIDDEN
%token tHYPER tID tIDEMPOTENT
%token tIGNORE tIIDIS
%token tIMMEDIATEBIND
%token tIMPLICITHANDLE
%token tIMPORT tIMPORTLIB
%token tIN tIN_LINE tINLINE
%token tINPUTSYNC
%token tINT tINT3264 tINT64
%token tINTERFACE
%token tLCID
%token tLENGTHIS tLIBRARY
%token tLICENSED tLOCAL
%token tLONG
%token tMAYBE tMESSAGE
%token tMETHODS
%token tMODULE
%token tNOCODE tNONBROWSABLE
%token tNONCREATABLE
%token tNONEXTENSIBLE
%token tNOTIFY tNOTIFYFLAG
%token tNULL
%token tOBJECT tODL tOLEAUTOMATION
%token tOPTIMIZE tOPTIONAL
%token tOUT
%token tPARTIALIGNORE tPASCAL
%token tPOINTERDEFAULT
%token tPROGID tPROPERTIES
%token tPROPGET tPROPPUT tPROPPUTREF
%token tPROXY tPTR
%token tPUBLIC
%token tRANGE
%token tREADONLY tREF
%token tREGISTER tREPRESENTAS
%token tREQUESTEDIT
%token tRESTRICTED
%token tRETVAL
%token tSAFEARRAY
%token tSHORT
%token tSIGNED
%token tSIZEIS tSIZEOF
%token tSMALL
%token tSOURCE
%token tSTATIC
%token tSTDCALL
%token tSTRICTCONTEXTHANDLE
%token tSTRING tSTRUCT
%token tSWITCH tSWITCHIS tSWITCHTYPE
%token tTHREADING tTRANSMITAS
%token tTRUE
%token tTYPEDEF
%token tUIDEFAULT tUNION
%token tUNIQUE
%token tUNSIGNED
%token tUSESGETLASTERROR tUSERMARSHAL tUUID
%token tV1ENUM
%token tVARARG
%token tVERSION tVIPROGID
%token tVOID
%token tWCHAR tWIREMARSHAL
%token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
%type <attr> attribute type_qualifier function_specifier
%type <attr_list> m_attributes attributes attrib_list m_type_qual_list
%type <str_list> str_list
%type <expr> m_expr expr expr_const expr_int_const array m_bitfield
%type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
%type <ifinfo> interfacehdr
%type <stgclass> storage_cls_spec
%type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
%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 typedecl
%type <type> type
%type <ifref> coclass_int
%type <ifref_list> coclass_ints
%type <var> arg ne_union_field union_field s_field case enum declaration
%type <var> funcdef
%type <var_list> m_args arg_list args dispint_meths
%type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
%type <var> m_ident ident
%type <declarator> declarator direct_declarator init_declarator struct_declarator
%type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
%type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
%type <declarator_list> declarator_list struct_declarator_list
%type <type> coclass coclasshdr coclassdef
%type <num> pointer_type threading_type version
%type <str> libraryhdr callconv cppquote importlib import t_ident
%type <uuid> uuid_string
%type <import> import_start
%type <typelib> library_start librarydef
%type <statement> statement typedef
%type <stmt_list> gbl_statements imp_statements int_statements
%left ','
%right '?' ':'
%left LOGICALOR
%left LOGICALAND
%left '|'
%left '^'
%left '&'
%left EQUALITY INEQUALITY
%left '<' '>' LESSEQUAL GREATEREQUAL
%left SHL SHR
%left '-' '+'
%left '*' '/' '%'
%right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
%left '.' MEMBERPTR '[' ']'
%%
input: gbl_statements { fix_incomplete();
check_statements($1, FALSE);
check_all_user_types($1);
write_header($1);
write_id_data($1);
write_proxies($1);
write_client($1);
write_server($1);
write_regscript($1);
write_dlldata($1);
write_local_stubs($1);
}
;
gbl_statements: { $$ = NULL; }
| gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
| gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
| gbl_statements coclass ';' { $$ = $1;
reg_type($2, $2->name, 0);
}
| gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
reg_type($2, $2->name, 0);
}
| gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
| gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
| gbl_statements statement { $$ = append_statement($1, $2); }
;
imp_statements: { $$ = NULL; }
| imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
| imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
| imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
| imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
reg_type($2, $2->name, 0);
}
| imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
| imp_statements statement { $$ = append_statement($1, $2); }
| imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
| imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
;
int_statements: { $$ = NULL; }
| int_statements statement { $$ = append_statement($1, $2); }
;
semicolon_opt:
| ';'
;
statement:
cppquote { $$ = make_statement_cppquote($1); }
| typedecl ';' { $$ = make_statement_type_decl($1); }
| declaration ';' { $$ = make_statement_declaration($1); }
| import { $$ = make_statement_import($1); }
| typedef ';' { $$ = $1; }
;
typedecl:
enumdef
| tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
| structdef
| tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
| uniondef
| tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
| attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
| attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
| attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
;
cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
;
import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
$$ = xmalloc(sizeof(struct _import_t));
$$->name = $2;
$$->import_performed = do_import($2);
if (!$$->import_performed) yychar = aEOF;
}
;
import: import_start imp_statements aEOF { $$ = $1->name;
if ($1->import_performed) pop_import();
free($1);
}
;
importlib: tIMPORTLIB '(' aSTRING ')'
semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
;
libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
;
library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
if (!parse_only) start_typelib($$);
}
;
librarydef: library_start imp_statements '}'
semicolon_opt { $$ = $1;
$$->stmts = $2;
if (!parse_only) end_typelib();
}
;
m_args: { $$ = NULL; }
| args
;
arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
| arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
;
args: arg_list
| arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
;
/* split into two rules to get bison to resolve a tVOID conflict */
arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
error_loc("invalid storage class for function parameter\n");
$$ = declare_var($1, $2, $3, TRUE);
free($2); free($3);
}
| decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
error_loc("invalid storage class for function parameter\n");
$$ = declare_var(NULL, $1, $2, TRUE);
free($1); free($2);
}
;
array: '[' expr ']' { $$ = $2;
if (!$$->is_const)
error_loc("array dimension is not an integer constant\n");
}
| '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
| '[' ']' { $$ = make_expr(EXPR_VOID); }
;
m_attributes: { $$ = NULL; }
| attributes
;
attributes:
'[' attrib_list ']' { $$ = $2; }
;
attrib_list: attribute { $$ = 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); }
| tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
| tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
| tASYNC { $$ = make_attr(ATTR_ASYNC); }
| tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
| tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
| tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
| tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
| tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
| tCODE { $$ = make_attr(ATTR_CODE); }
| tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
| 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); }
| tDECODE { $$ = make_attr(ATTR_DECODE); }
| tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
| tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
| tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
| tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
| tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
| tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
| tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
| tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
| tDUAL { $$ = make_attr(ATTR_DUAL); }
| tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
| tENCODE { $$ = make_attr(ATTR_ENCODE); }
| tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
| tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
| tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
| tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
| tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
| tHANDLE { $$ = make_attr(ATTR_HANDLE); }
| tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
| tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
| tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
| tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
| tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
| tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
| tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
| tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
| tIGNORE { $$ = make_attr(ATTR_IGNORE); }
| tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
| tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
| tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
| tIN { $$ = make_attr(ATTR_IN); }
| tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
| tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
| tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
| tLCID { $$ = make_attr(ATTR_PARAMLCID); }
| tLICENSED { $$ = make_attr(ATTR_LICENSED); }
| tLOCAL { $$ = make_attr(ATTR_LOCAL); }
| tMAYBE { $$ = make_attr(ATTR_MAYBE); }
| tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
| tNOCODE { $$ = make_attr(ATTR_NOCODE); }
| tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
| tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
| tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
| tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
| tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
| tOBJECT { $$ = make_attr(ATTR_OBJECT); }
| tODL { $$ = make_attr(ATTR_ODL); }
| tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
| tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
| tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
| tOUT { $$ = make_attr(ATTR_OUT); }
| tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
| tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
| tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
| tPROPGET { $$ = make_attr(ATTR_PROPGET); }
| tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
| tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
| tPROXY { $$ = make_attr(ATTR_PROXY); }
| tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
| tRANGE '(' expr_int_const ',' expr_int_const ')'
{ expr_list_t *list = append_expr( NULL, $3 );
list = append_expr( list, $5 );
$$ = make_attrp(ATTR_RANGE, list); }
| tREADONLY { $$ = make_attr(ATTR_READONLY); }
| tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
| 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); }
| tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
| tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
| tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
| tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $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); }
| tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
| tWIREMARSHAL '(' type ')' { $$ = 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: tCDECL { $$ = xstrdup("__cdecl"); }
| tFASTCALL { $$ = xstrdup("__fastcall"); }
| tPASCAL { $$ = xstrdup("__pascal"); }
| tSTDCALL { $$ = xstrdup("__stdcall"); }
;
cases: { $$ = NULL; }
| cases case { $$ = append_var( $1, $2 ); }
;
case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
$$ = $4; if (!$$) $$ = make_var(NULL);
$$->attrs = append_attr( $$->attrs, a );
}
| tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
$$ = $3; if (!$$) $$ = make_var(NULL);
$$->attrs = append_attr( $$->attrs, a );
}
;
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);
}
$$ = append_var( $1, $3 );
}
;
enum: ident '=' expr_int_const { $$ = reg_const($1);
$$->eval = $3;
$$->type = type_new_int(TYPE_BASIC_INT, 0);
}
| ident { $$ = reg_const($1);
$$->type = type_new_int(TYPE_BASIC_INT, 0);
}
;
enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
;
m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
| m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
;
m_expr: { $$ = 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); }
| tNULL { $$ = make_exprl(EXPR_NUM, 0); }
| tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
| aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
| aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
| aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
| aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
| expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
| expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
| expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
| expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
| expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
| expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
| expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
| expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
| expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
| expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
| expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
| expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
| expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
| expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
| expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
| expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
| expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
| expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
| expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
| '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
| '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
| '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
| '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
| '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
| '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
| expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
| expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
| '(' decl_spec m_abstract_declarator ')' expr %prec CAST
{ $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
| tSIZEOF '(' decl_spec m_abstract_declarator ')'
{ $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
| expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
| '(' expr ')' { $$ = $2; }
;
expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
| expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
;
expr_int_const: expr { $$ = $1;
if (!$$->is_const)
error_loc("expression is not an integer constant\n");
}
;
expr_const: expr { $$ = $1;
if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
error_loc("expression is not constant\n");
}
;
fields: { $$ = NULL; }
| fields field { $$ = append_var_list($1, $2); }
;
field: m_attributes decl_spec struct_declarator_list ';'
{ const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
check_field_attrs(first, $1);
$$ = set_var_types($1, $2, $3);
}
| m_attributes uniondef ';' { var_t *v = make_var(NULL);
v->type = $2; v->attrs = $1;
$$ = append_var(NULL, v);
}
;
ne_union_field:
s_field ';' { $$ = $1; }
| attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
;
ne_union_fields: { $$ = NULL; }
| ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
;
union_field:
s_field ';' { $$ = $1; }
| ';' { $$ = NULL; }
;
s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
$2, $3, FALSE);
free($3);
}
;
funcdef: declaration { $$ = $1;
if (type_get_type($$->type) != TYPE_FUNCTION)
error_loc("only methods may be declared inside the methods section of a dispinterface\n");
check_function_attrs($$->name, $$->attrs);
}
;
declaration:
attributes decl_spec init_declarator
{ $$ = declare_var($1, $2, $3, FALSE);
free($3);
}
| decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
free($2);
}
;
m_ident: { $$ = NULL; }
| ident
;
t_ident: { $$ = NULL; }
| aIDENTIFIER { $$ = $1; }
| aKNOWNTYPE { $$ = $1; }
;
ident: aIDENTIFIER { $$ = make_var($1); }
/* some "reserved words" used in attributes are also used as field names in some MS IDL files */
| aKNOWNTYPE { $$ = make_var($<str>1); }
;
base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
| tWCHAR { $$ = find_type_or_error($<str>1, 0); }
| int_std
| tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
| tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
| tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
| tFLOAT { $$ = find_type_or_error($<str>1, 0); }
| tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
| tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
| tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
| tHANDLET { $$ = find_type_or_error($<str>1, 0); }
;
m_int:
| tINT
;
int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
| tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
| tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
| tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
| tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
| tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
| tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
| tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
;
coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
| tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
if (type_get_type_detect_alias($$) != TYPE_COCLASS)
error_loc("%s was not declared a coclass at %s:%d\n",
$2, $$->loc_info.input_name,
$$->loc_info.line_number);
}
;
coclasshdr: attributes coclass { $$ = $2;
check_def($$);
$$->attrs = check_coclass_attrs($2->name, $1);
}
;
coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
{ $$ = type_coclass_define($1, $3); }
;
coclass_ints: { $$ = NULL; }
| coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
;
coclass_int:
m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
;
dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
| tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
;
dispinterfacehdr: attributes dispinterface { attr_t *attrs;
$$ = $2;
check_def($$);
attrs = make_attr(ATTR_DISPINTERFACE);
$$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
$$->defined = TRUE;
}
;
dispint_props: tPROPERTIES ':' { $$ = NULL; }
| dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
;
dispint_meths: tMETHODS ':' { $$ = NULL; }
| dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
;
dispinterfacedef: dispinterfacehdr '{'
dispint_props
dispint_meths
'}' { $$ = $1;
type_dispinterface_define($$, $3, $4);
}
| dispinterfacehdr
'{' interface ';' '}' { $$ = $1;
type_dispinterface_define_from_iface($$, $3);
}
;
inherit: { $$ = NULL; }
| ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
;
interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
| tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
;
interfacehdr: attributes interface { $$.interface = $2;
$$.old_pointer_default = pointer_default;
if (is_attr($1, ATTR_POINTERDEFAULT))
pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
check_def($2);
$2->attrs = check_iface_attrs($2->name, $1);
$2->defined = TRUE;
}
;
interfacedef: interfacehdr inherit
'{' int_statements '}' semicolon_opt { $$ = $1.interface;
type_interface_define($$, $2, $4);
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 '}'
semicolon_opt { $$ = $1.interface;
type_interface_define($$, find_type_or_error2($3, 0), $6);
pointer_default = $1.old_pointer_default;
}
| dispinterfacedef semicolon_opt { $$ = $1; }
;
interfacedec:
interface ';' { $$ = $1; }
| dispinterface ';' { $$ = $1; }
;
module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
| tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
;
modulehdr: attributes module { $$ = $2;
$$->attrs = check_module_attrs($2->name, $1);
}
;
moduledef: modulehdr '{' int_statements '}'
semicolon_opt { $$ = $1;
type_module_define($$, $3);
}
;
storage_cls_spec:
tEXTERN { $$ = STG_EXTERN; }
| tSTATIC { $$ = STG_STATIC; }
| tREGISTER { $$ = STG_REGISTER; }
;
function_specifier:
tINLINE { $$ = make_attr(ATTR_INLINE); }
;
type_qualifier:
tCONST { $$ = make_attr(ATTR_CONST); }
;
m_type_qual_list: { $$ = NULL; }
| m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
;
decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
| decl_spec_no_type type m_decl_spec_no_type
{ $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
;
m_decl_spec_no_type: { $$ = NULL; }
| decl_spec_no_type
;
decl_spec_no_type:
type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
| function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
| storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
;
declarator:
'*' m_type_qual_list declarator %prec PPTR
{ $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
| callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
| direct_declarator
;
direct_declarator:
ident { $$ = make_declarator($1); }
| '(' declarator ')' { $$ = $2; }
| direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
| direct_declarator '(' m_args ')' { $$ = $1;
$$->func_type = append_ptrchain_type($$->type, type_new_function($3));
$$->type = NULL;
}
;
/* abstract declarator */
abstract_declarator:
'*' m_type_qual_list m_abstract_declarator %prec PPTR
{ $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
| callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
| abstract_direct_declarator
;
/* abstract declarator without accepting direct declarator */
abstract_declarator_no_direct:
'*' m_type_qual_list m_any_declarator %prec PPTR
{ $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
| callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
;
/* abstract declarator or empty */
m_abstract_declarator: { $$ = make_declarator(NULL); }
| abstract_declarator
;
/* abstract direct declarator */
abstract_direct_declarator:
'(' abstract_declarator_no_direct ')' { $$ = $2; }
| abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
| array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
| '(' m_args ')'
{ $$ = make_declarator(NULL);
$$->func_type = append_ptrchain_type($$->type, type_new_function($2));
$$->type = NULL;
}
| abstract_direct_declarator '(' m_args ')'
{ $$ = $1;
$$->func_type = append_ptrchain_type($$->type, type_new_function($3));
$$->type = NULL;
}
;
/* abstract or non-abstract declarator */
any_declarator:
'*' m_type_qual_list m_any_declarator %prec PPTR
{ $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
| callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
| any_direct_declarator
;
/* abstract or non-abstract declarator without accepting direct declarator */
any_declarator_no_direct:
'*' m_type_qual_list m_any_declarator %prec PPTR
{ $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
| callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
;
/* abstract or non-abstract declarator or empty */
m_any_declarator: { $$ = make_declarator(NULL); }
| any_declarator
;
/* abstract or non-abstract direct declarator. note: direct declarators
* aren't accepted inside brackets to avoid ambiguity with the rule for
* function arguments */
any_direct_declarator:
ident { $$ = make_declarator($1); }
| '(' any_declarator_no_direct ')' { $$ = $2; }
| any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
| array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
| '(' m_args ')'
{ $$ = make_declarator(NULL);
$$->func_type = append_ptrchain_type($$->type, type_new_function($2));
$$->type = NULL;
}
| any_direct_declarator '(' m_args ')'
{ $$ = $1;
$$->func_type = append_ptrchain_type($$->type, type_new_function($3));
$$->type = NULL;
}
;
declarator_list:
declarator { $$ = append_declarator( NULL, $1 ); }
| declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
;
m_bitfield: { $$ = NULL; }
| ':' expr_const { $$ = $2; }
;
struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
if (!$$->bits && !$$->var->name)
error_loc("unnamed fields are not allowed\n");
}
;
struct_declarator_list:
struct_declarator { $$ = append_declarator( NULL, $1 ); }
| struct_declarator_list ',' struct_declarator
{ $$ = append_declarator( $1, $3 ); }
;
init_declarator:
declarator { $$ = $1; }
| declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
;
threading_type:
tAPARTMENT { $$ = THREADING_APARTMENT; }
| tNEUTRAL { $$ = THREADING_NEUTRAL; }
| tSINGLE { $$ = THREADING_SINGLE; }
| tFREE { $$ = THREADING_FREE; }
| tBOTH { $$ = THREADING_BOTH; }
;
pointer_type:
tREF { $$ = RPC_FC_RP; }
| tUNIQUE { $$ = RPC_FC_UP; }
| tPTR { $$ = RPC_FC_FP; }
;
structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
;
type: tVOID { $$ = type_new_void(); }
| aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
| base_type { $$ = $1; }
| enumdef { $$ = $1; }
| tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
| structdef { $$ = $1; }
| tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
| uniondef { $$ = $1; }
| tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
| tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
;
typedef: tTYPEDEF m_attributes decl_spec declarator_list
{ reg_typedefs($3, $4, check_typedef_attrs($2));
$$ = make_statement_typedef($4);
}
;
uniondef: tUNION t_ident '{' ne_union_fields '}'
{ $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
| tUNION t_ident
tSWITCH '(' s_field ')'
m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
;
version:
aNUM { $$ = MAKEVERSION($1, 0); }
| aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
;
%%
static void decl_builtin_basic(const char *name, enum type_basic_type type)
{
type_t *t = type_new_basic(type);
reg_type(t, name, 0);
}
static void decl_builtin_alias(const char *name, type_t *t)
{
reg_type(type_new_alias(t, name), name, 0);
}
void init_types(void)
{
decl_builtin_basic("byte", TYPE_BASIC_BYTE);
decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
decl_builtin_basic("float", TYPE_BASIC_FLOAT);
decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
}
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)
{
attr_t *attr_existing;
if (!attr) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
if (attr_existing->type == attr->type)
{
parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
/* use the last attribute, like MIDL does */
list_remove(&attr_existing->entry);
break;
}
list_add_tail( list, &attr->entry );
return list;
}
static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
{
attr_t *attr;
if (!src) return dst;
LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
if (attr->type == type)
{
list_remove(&attr->entry);
return append_attr(dst, attr);
}
return dst;
}
static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
{
struct list *entry;
if (!old_list) return new_list;
while ((entry = list_head(old_list)))
{
attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
list_remove(entry);
new_list = append_attr(new_list, attr);
}
return new_list;
}
static attr_list_t *dupattrs(const attr_list_t *list)
{
attr_list_t *new_list;
const attr_t *attr;
if (!list) return NULL;
new_list = xmalloc( sizeof(*list) );
list_init( new_list );
LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
{
attr_t *new_attr = xmalloc(sizeof(*new_attr));
*new_attr = *attr;
list_add_tail(new_list, &new_attr->entry);
}
return new_list;
}
static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass)
{
decl_spec_t *declspec = left ? left : right;
if (!declspec)
{
declspec = xmalloc(sizeof(*declspec));
declspec->type = NULL;
declspec->attrs = NULL;
declspec->stgclass = STG_NONE;
}
declspec->type = type;
if (left && declspec != left)
{
declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
if (declspec->stgclass == STG_NONE)
declspec->stgclass = left->stgclass;
else if (left->stgclass != STG_NONE)
error_loc("only one storage class can be specified\n");
assert(!left->type);
free(left);
}
if (right && declspec != right)
{
declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
if (declspec->stgclass == STG_NONE)
declspec->stgclass = right->stgclass;
else if (right->stgclass != STG_NONE)
error_loc("only one storage class can be specified\n");
assert(!right->type);
free(right);
}
declspec->attrs = append_attr(declspec->attrs, attr);
if (declspec->stgclass == STG_NONE)
declspec->stgclass = stgclass;
else if (stgclass != STG_NONE)
error_loc("only one storage class can be specified\n");
/* apply attributes to type */
if (type && declspec->attrs)
{
attr_list_t *attrs;
declspec->type = duptype(type, 1);
attrs = dupattrs(type->attrs);
declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
declspec->attrs = NULL;
}
return declspec;
}
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 int 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_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;
}
void clear_all_offsets(void)
{
type_pool_node_t *node;
LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
node->data.typestring_offset = node->data.ptrdesc = 0;
}
static void type_function_add_head_arg(type_t *type, var_t *arg)
{
if (!type->details.function->args)
{
type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
list_init( type->details.function->args );
}
list_add_head( type->details.function->args, &arg->entry );
}
static int is_allowed_range_type(const type_t *type)
{
switch (type_get_type(type))
{
case TYPE_ENUM:
return TRUE;
case TYPE_BASIC:
switch (type_basic_get_type(type))
{
case TYPE_BASIC_INT8:
case TYPE_BASIC_INT16:
case TYPE_BASIC_INT32:
case TYPE_BASIC_INT64:
case TYPE_BASIC_INT:
case TYPE_BASIC_INT3264:
case TYPE_BASIC_BYTE:
case TYPE_BASIC_CHAR:
case TYPE_BASIC_WCHAR:
case TYPE_BASIC_HYPER:
return TRUE;
case TYPE_BASIC_FLOAT:
case TYPE_BASIC_DOUBLE:
case TYPE_BASIC_ERROR_STATUS_T:
case TYPE_BASIC_HANDLE:
return FALSE;
}
return FALSE;
default:
return FALSE;
}
}
static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
{
type_t *ptrchain_type;
if (!ptrchain)
return type;
for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
;
assert(ptrchain_type->type_type == TYPE_POINTER);
ptrchain_type->details.pointer.ref = type;
return ptrchain;
}
static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
int top)
{
var_t *v = decl->var;
expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
int sizeless;
expr_t *dim;
type_t **ptype;
array_dims_t *arr = decl ? decl->array : NULL;
type_t *func_type = decl ? decl->func_type : NULL;
type_t *type = decl_spec->type;
if (is_attr(type->attrs, ATTR_INLINE))
{
if (!func_type)
error_loc("inline attribute applied to non-function type\n");
else
{
type_t *t;
/* move inline attribute from return type node to function node */
for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
;
t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
}
}
/* add type onto the end of the pointers in pident->type */
v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
v->stgclass = decl_spec->stgclass;
v->attrs = attrs;
/* check for pointer attribute being applied to non-pointer, non-array
* type */
if (!arr)
{
int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
const type_t *ptr = NULL;
/* pointer attributes on the left side of the type belong to the function
* pointer, if one is being declared */
type_t **pt = func_type ? &func_type : &v->type;
for (ptr = *pt; ptr && !ptr_attr; )
{
ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
if (!ptr_attr && type_is_alias(ptr))
ptr = type_alias_get_aliasee(ptr);
else
break;
}
if (is_ptr(ptr))
{
if (ptr_attr && ptr_attr != RPC_FC_UP &&
type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
warning_loc_info(&v->loc_info,
"%s: pointer attribute applied to interface "
"pointer type has no effect\n", v->name);
if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
{
/* FIXME: this is a horrible hack to cope with the issue that we
* store an offset to the typeformat string in the type object, but
* two typeformat strings may be written depending on whether the
* pointer is a toplevel parameter or not */
*pt = duptype(*pt, 1);
}
}
else if (ptr_attr)
error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
}
if (is_attr(v->attrs, ATTR_STRING))
{
type_t *t = type;
if (!is_ptr(v->type) && !arr)
error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
v->name);
while (is_ptr(t))
t = type_pointer_get_ref(t);
if (type_get_type(t) != TYPE_BASIC &&
(get_basic_fc(t) != RPC_FC_CHAR &&
get_basic_fc(t) != RPC_FC_BYTE &&
get_basic_fc(t) != RPC_FC_WCHAR))
{
error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
v->name);
}
}
if (is_attr(v->attrs, ATTR_V1ENUM))
{
if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
}
if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
error_loc("'%s': [range] attribute applied to non-integer type\n",
v->name);
ptype = &v->type;
sizeless = FALSE;
if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
{
if (sizeless)
error_loc("%s: only the first array dimension can be unspecified\n", v->name);
if (dim->is_const)
{
if (dim->cval <= 0)
error_loc("%s: array dimension must be positive\n", v->name);
/* FIXME: should use a type_memsize that allows us to pass in a pointer size */
if (0)
{
unsigned int size = type_memsize(v->type);
if (0xffffffffu / size < dim->cval)
error_loc("%s: total array size is too large\n", v->name);
}
}
else
sizeless = TRUE;
*ptype = type_new_array(NULL, *ptype, FALSE,
dim->is_const ? dim->cval : 0,
dim->is_const ? NULL : dim, NULL,
pointer_default);
}
ptype = &v->type;
if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
{
if (dim->type != EXPR_VOID)
{
if (is_array(*ptype))
{
if (!type_array_get_conformance(*ptype) ||
type_array_get_conformance(*ptype)->type != EXPR_VOID)
error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
else
*ptype = type_new_array((*ptype)->name,
type_array_get_element(*ptype), FALSE,
0, dim, NULL, 0);
}
else if (is_ptr(*ptype))
*ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
0, dim, NULL, pointer_default);
else
error_loc("%s: size_is attribute applied to illegal type\n", v->name);
}
if (is_ptr(*ptype))
ptype = &(*ptype)->details.pointer.ref;
else if (is_array(*ptype))
ptype = &(*ptype)->details.array.elem;
else
error_loc("%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)
{
if (is_array(*ptype))
{
*ptype = type_new_array((*ptype)->name,
type_array_get_element(*ptype),
type_array_is_decl_as_ptr(*ptype),
type_array_get_dim(*ptype),
type_array_get_conformance(*ptype),
dim, type_array_get_ptr_default_fc(*ptype));
}
else
error_loc("%s: length_is attribute applied to illegal type\n", v->name);
}
if (is_ptr(*ptype))
ptype = &(*ptype)->details.pointer.ref;
else if (is_array(*ptype))
ptype = &(*ptype)->details.array.elem;
else
error_loc("%s: too many expressions in length_is attribute\n", v->name);
}
/* v->type is currently pointing to the type on the left-side of the
* declaration, so we need to fix this up so that it is the return type of the
* function and make v->type point to the function side of the declaration */
if (func_type)
{
type_t *ft, *t;
type_t *return_type = v->type;
v->type = func_type;
for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
;
assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
ft->details.function->retval = make_var(xstrdup("_RetVal"));
ft->details.function->retval->type = return_type;
/* move calling convention attribute, if present, from pointer nodes to
* function node */
for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
}
else
{
type_t *t;
for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
if (is_attr(t->attrs, ATTR_CALLCONV))
error_loc("calling convention applied to non-function-pointer type\n");
}
if (decl->bits)
v->type = type_new_bitfield(v->type, decl->bits);
return v;
}
static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
{
declarator_t *decl, *next;
var_list_t *var_list = NULL;
LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
{
var_t *var = declare_var(attrs, decl_spec, decl, 0);
var_list = append_var(var_list, var);
free(decl);
}
free(decl_spec);
return var_list;
}
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;
}
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_list_t *append_var_list(var_list_t *list, var_list_t *vars)
{
if (!vars) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_move_tail( list, vars );
return list;
}
var_t *make_var(char *name)
{
var_t *v = xmalloc(sizeof(var_t));
v->name = name;
v->type = NULL;
v->attrs = NULL;
v->eval = NULL;
v->stgclass = STG_NONE;
init_loc_info(&v->loc_info);
return v;
}
static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
{
if (!d) return list;
if (!list) {
list = xmalloc(sizeof(*list));
list_init(list);
}
list_add_tail(list, &d->entry);
return list;
}
static declarator_t *make_declarator(var_t *var)
{
declarator_t *d = xmalloc(sizeof(*d));
d->var = var ? var : make_var(NULL);
d->type = NULL;
d->func_type = NULL;
d->array = NULL;
d->bits = NULL;
return d;
}
static type_t *make_safearray(type_t *type)
{
return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
NULL, NULL, RPC_FC_RP);
}
static typelib_t *make_library(const char *name, const attr_list_t *attrs)
{
typelib_t *typelib = xmalloc(sizeof(*typelib));
typelib->name = xstrdup(name);
typelib->attrs = attrs;
list_init( &typelib->importlibs );
return typelib;
}
#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];
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;
if ((t == tsSTRUCT || t == tsUNION))
fix_incomplete_types(type);
return type;
}
static int is_incomplete(const type_t *t)
{
return !t->defined &&
(type_get_type_detect_alias(t) == TYPE_STRUCT ||
type_get_type_detect_alias(t) == TYPE_UNION ||
type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
}
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 (type_is_alias(t) && is_incomplete(t)) {
type_t *ot = type_alias_get_aliasee(t);
fix_type(ot);
if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
type_get_type_detect_alias(ot) == TYPE_UNION ||
type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
t->details.structure = ot->details.structure;
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);
list_remove(&tn->entry);
free(tn);
}
}
static void fix_incomplete_types(type_t *complete_type)
{
struct typenode *tn, *next;
LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
{
if (type_is_equal(complete_type, tn->type))
{
tn->type->details.structure = complete_type->details.structure;
list_remove(&tn->entry);
free(tn);
}
}
}
static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
{
const declarator_t *decl;
type_t *type = decl_spec->type;
/* 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 hence the public attribute. */
if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
type_get_type_detect_alias(type) == TYPE_STRUCT ||
type_get_type_detect_alias(type) == TYPE_UNION ||
type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
!type->name && !parse_only)
{
if (! is_attr(attrs, ATTR_PUBLIC))
attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
type->name = gen_name();
}
else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
{
if (decl->var->name) {
type_t *cur;
var_t *name;
cur = find_type(decl->var->name, 0);
if (cur)
error_loc("%s: redefinition error; original definition was at %s:%d\n",
cur->name, cur->loc_info.input_name,
cur->loc_info.line_number);
name = declare_var(attrs, decl_spec, decl, 0);
cur = type_new_alias(name->type, name->name);
cur->attrs = attrs;
if (is_incomplete(cur))
add_incomplete(cur);
reg_type(cur, cur->name, 0);
}
}
return type;
}
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;
return cur ? cur->type : NULL;
}
static type_t *find_type_or_error(const char *name, int t)
{
type_t *type = find_type(name, t);
if (!type) {
error_loc("type '%s' not found\n", name);
return NULL;
}
return type;
}
static type_t *find_type_or_error2(char *name, int t)
{
type_t *tp = find_type_or_error(name, t);
free(name);
return tp;
}
int is_type(const char *name)
{
return find_type(name, 0) != NULL;
}
type_t *get_type(enum type_type type, char *name, int t)
{
type_t *tp;
if (name) {
tp = find_type(name, t);
if (tp) {
free(name);
return tp;
}
}
tp = make_type(type);
tp->name = name;
if (!name) return tp;
return reg_type(tp, name, t);
}
/***** 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;
}
var_t *find_const(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 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;
}
struct allowed_attr
{
unsigned int dce_compatible : 1;
unsigned int acf : 1;
unsigned int on_interface : 1;
unsigned int on_function : 1;
unsigned int on_arg : 1;
unsigned int on_type : 1;
unsigned int on_enum : 1;
unsigned int on_struct : 1;
unsigned int on_union : 1;
unsigned int on_field : 1;
unsigned int on_library : 1;
unsigned int on_dispinterface : 1;
unsigned int on_module : 1;
unsigned int on_coclass : 1;
const char *display_name;
};
struct allowed_attr allowed_attr[] =
{
/* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
/* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
/* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
/* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
/* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
/* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
/* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
/* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
/* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
/* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
/* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
/* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
/* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
/* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
/* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
/* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
/* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
/* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
/* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
/* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
/* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
/* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
/* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
/* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
/* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
/* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
/* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
/* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
/* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
/* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
/* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
/* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
/* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
/* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
/* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
/* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
/* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
/* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
/* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
/* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
/* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
/* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
/* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
/* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
/* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
/* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
/* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
/* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
/* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
/* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
/* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
/* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
/* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
/* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
/* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
/* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
/* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
/* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
/* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
/* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
/* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
/* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
/* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
/* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
/* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
/* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
/* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
/* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
/* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
/* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
/* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
/* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
/* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
/* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
/* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
/* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
/* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
/* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
/* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
/* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
/* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
/* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
/* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
/* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
/* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
/* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
/* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
/* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
/* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
/* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
/* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
/* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
/* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
/* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
/* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
/* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
/* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
/* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
/* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "version" },
/* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
/* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
};
const char *get_attr_display_name(enum attr_type type)
{
return allowed_attr[type].display_name;
}
static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_interface)
error_loc("inapplicable attribute %s for interface %s\n",
allowed_attr[attr->type].display_name, name);
if (attr->type == ATTR_IMPLICIT_HANDLE)
{
const var_t *var = attr->u.pval;
if (type_get_type( var->type) == TYPE_BASIC &&
type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
continue;
if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
continue;
error_loc("attribute %s requires a handle type in interface %s\n",
allowed_attr[attr->type].display_name, name);
}
}
return attrs;
}
static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_function)
error_loc("inapplicable attribute %s for function %s\n",
allowed_attr[attr->type].display_name, name);
}
return attrs;
}
static void check_arg_attrs(const var_t *arg)
{
const attr_t *attr;
if (arg->attrs)
{
LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_arg)
error_loc("inapplicable attribute %s for argument %s\n",
allowed_attr[attr->type].display_name, arg->name);
}
}
}
static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_type)
error_loc("inapplicable attribute %s for typedef\n",
allowed_attr[attr->type].display_name);
}
return attrs;
}
static attr_list_t *check_enum_attrs(attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_enum)
error_loc("inapplicable attribute %s for enum\n",
allowed_attr[attr->type].display_name);
}
return attrs;
}
static attr_list_t *check_struct_attrs(attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_struct)
error_loc("inapplicable attribute %s for struct\n",
allowed_attr[attr->type].display_name);
}
return attrs;
}
static attr_list_t *check_union_attrs(attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_union)
error_loc("inapplicable attribute %s for union\n",
allowed_attr[attr->type].display_name);
}
return attrs;
}
static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_field)
error_loc("inapplicable attribute %s for field %s\n",
allowed_attr[attr->type].display_name, name);
}
return attrs;
}
static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_library)
error_loc("inapplicable attribute %s for library %s\n",
allowed_attr[attr->type].display_name, name);
}
return attrs;
}
static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_dispinterface)
error_loc("inapplicable attribute %s for dispinterface %s\n",
allowed_attr[attr->type].display_name, name);
}
return attrs;
}
static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_module)
error_loc("inapplicable attribute %s for module %s\n",
allowed_attr[attr->type].display_name, name);
}
return attrs;
}
static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
{
const attr_t *attr;
if (!attrs) return attrs;
LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
{
if (!allowed_attr[attr->type].on_coclass)
error_loc("inapplicable attribute %s for coclass %s\n",
allowed_attr[attr->type].display_name, name);
}
return attrs;
}
static int is_allowed_conf_type(const type_t *type)
{
switch (type_get_type(type))
{
case TYPE_ENUM:
return TRUE;
case TYPE_BASIC:
switch (type_basic_get_type(type))
{
case TYPE_BASIC_INT8:
case TYPE_BASIC_INT16:
case TYPE_BASIC_INT32:
case TYPE_BASIC_INT64:
case TYPE_BASIC_INT:
case TYPE_BASIC_CHAR:
case TYPE_BASIC_HYPER:
case TYPE_BASIC_BYTE:
case TYPE_BASIC_WCHAR:
return TRUE;
default:
return FALSE;
}
case TYPE_ALIAS:
/* shouldn't get here because of type_get_type call above */
assert(0);
/* fall through */
case TYPE_STRUCT:
case TYPE_UNION:
case TYPE_ENCAPSULATED_UNION:
case TYPE_ARRAY:
case TYPE_POINTER:
case TYPE_VOID:
case TYPE_MODULE:
case TYPE_COCLASS:
case TYPE_FUNCTION:
case TYPE_INTERFACE:
case TYPE_BITFIELD:
return FALSE;
}
return FALSE;
}
static int is_ptr_guid_type(const type_t *type)
{
/* first, make sure it is a pointer to something */
if (!is_ptr(type)) return FALSE;
/* second, make sure it is a pointer to something of size sizeof(GUID),
* i.e. 16 bytes */
return (type_memsize(type_pointer_get_ref(type)) == 16);
}
static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
{
expr_t *dim;
struct expr_loc expr_loc;
expr_loc.v = arg;
expr_loc.attr = attr_name;
if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
{
if (dim->type != EXPR_VOID)
{
const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
if (!is_allowed_conf_type(expr_type))
error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
attr_name);
}
}
}
static void check_remoting_fields(const var_t *var, type_t *type);
/* checks that properties common to fields and arguments are consistent */
static void check_field_common(const type_t *container_type,
const char *container_name, const var_t *arg)
{
type_t *type = arg->type;
int more_to_do;
const char *container_type_name;
const char *var_type;
switch (type_get_type(container_type))
{
case TYPE_STRUCT:
container_type_name = "struct";
var_type = "field";
break;
case TYPE_UNION:
container_type_name = "union";
var_type = "arm";
break;
case TYPE_ENCAPSULATED_UNION:
container_type_name = "encapsulated union";
var_type = "arm";
break;
case TYPE_FUNCTION:
container_type_name = "function";
var_type = "parameter";
break;
default:
/* should be no other container types */
assert(0);
return;
}
if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
(is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
error_loc_info(&arg->loc_info,
"string and length_is specified for argument %s are mutually exclusive attributes\n",
arg->name);
if (is_attr(arg->attrs, ATTR_SIZEIS))
{
expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
}
if (is_attr(arg->attrs, ATTR_LENGTHIS))
{
expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
}
if (is_attr(arg->attrs, ATTR_IIDIS))
{
struct expr_loc expr_loc;
expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
if (expr->type != EXPR_VOID)
{
const type_t *expr_type;
expr_loc.v = arg;
expr_loc.attr = "iid_is";
expr_type = expr_resolve_type(&expr_loc, container_type, expr);
if (!expr_type || !is_ptr_guid_type(expr_type))
error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
}
}
if (is_attr(arg->attrs, ATTR_SWITCHIS))
{
struct expr_loc expr_loc;
expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
if (expr->type != EXPR_VOID)
{
const type_t *expr_type;
expr_loc.v = arg;
expr_loc.attr = "switch_is";
expr_type = expr_resolve_type(&expr_loc, container_type, expr);
if (!expr_type || !is_allowed_conf_type(expr_type))
error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
expr_loc.attr);
}
}
do
{
more_to_do = FALSE;
switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
{
case TGT_STRUCT:
case TGT_UNION:
check_remoting_fields(arg, type);
break;
case TGT_INVALID:
{
const char *reason = "is invalid";
switch (type_get_type(type))
{
case TYPE_VOID:
reason = "cannot derive from void *";
break;
case TYPE_FUNCTION:
reason = "cannot be a function pointer";
break;
case TYPE_BITFIELD:
reason = "cannot be a bit-field";
break;
case TYPE_COCLASS:
reason = "cannot be a class";
break;
case TYPE_INTERFACE:
reason = "cannot be a non-pointer to an interface";
break;
case TYPE_MODULE:
reason = "cannot be a module";
break;
default:
break;
}
error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
var_type, arg->name, container_type_name, container_name, reason);
break;
}
case TGT_CTXT_HANDLE:
case TGT_CTXT_HANDLE_POINTER:
if (type_get_type(container_type) != TYPE_FUNCTION)
error_loc_info(&arg->loc_info,
"%s \'%s\' of %s \'%s\' cannot be a context handle\n",
var_type, arg->name, container_type_name,
container_name);
break;
case TGT_STRING:
{
const type_t *t = type;
while (is_ptr(t))
t = type_pointer_get_ref(t);
if (is_aliaschain_attr(t, ATTR_RANGE))
warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
break;
}
case TGT_POINTER:
type = type_pointer_get_ref(type);
more_to_do = TRUE;
break;
case TGT_ARRAY:
type = type_array_get_element(type);
more_to_do = TRUE;
break;
case TGT_USER_TYPE:
case TGT_IFACE_POINTER:
case TGT_BASIC:
case TGT_ENUM:
case TGT_RANGE:
/* nothing to do */
break;
}
} while (more_to_do);
}
static void check_remoting_fields(const var_t *var, type_t *type)
{
const var_t *field;
const var_list_t *fields = NULL;
type = type_get_real_type(type);
if (type->checked)
return;
type->checked = TRUE;
if (type_get_type(type) == TYPE_STRUCT)
{
if (type_is_complete(type))
fields = type_struct_get_fields(type);
else
error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
}
else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
fields = type_union_get_cases(type);
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
if (field->type) check_field_common(type, type->name, field);
}
/* checks that arguments for a function make sense for marshalling and unmarshalling */
static void check_remoting_args(const var_t *func)
{
const char *funcname = func->name;
const var_t *arg;
if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
{
const type_t *type = arg->type;
/* check that [out] parameters have enough pointer levels */
if (is_attr(arg->attrs, ATTR_OUT))
{
switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
{
case TGT_BASIC:
case TGT_ENUM:
case TGT_RANGE:
case TGT_STRUCT:
case TGT_UNION:
case TGT_CTXT_HANDLE:
case TGT_USER_TYPE:
error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
break;
case TGT_IFACE_POINTER:
error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
break;
case TGT_STRING:
if (is_array(type))
{
/* needs conformance or fixed dimension */
if (type_array_has_conformance(type) &&
type_array_get_conformance(type)->type != EXPR_VOID) break;
if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
}
if (is_attr( arg->attrs, ATTR_IN )) break;
error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
break;
case TGT_INVALID:
/* already error'd before we get here */
case TGT_CTXT_HANDLE_POINTER:
case TGT_POINTER:
case TGT_ARRAY:
/* OK */
break;
}
}
check_field_common(func->type, funcname, arg);
}
if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
{
var_t var;
var = *func;
var.type = type_function_get_rettype(func->type);
var.name = xstrdup("return value");
check_field_common(func->type, funcname, &var);
free(var.name);
}
}
static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
{
unsigned char explicit_fc, implicit_fc;
/* check for a defined binding handle */
if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
{
/* no explicit handle specified so add
* "[in] handle_t IDL_handle" as the first parameter to the
* function */
var_t *idl_handle = make_var(xstrdup("IDL_handle"));
idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
idl_handle->type = find_type_or_error("handle_t", 0);
type_function_add_head_arg(func->type, idl_handle);
}
}
static void check_functions(const type_t *iface, int is_inside_library)
{
const statement_t *stmt;
if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
{
STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
{
var_t *func = stmt->u.var;
add_explicit_handle_if_necessary(iface, func);
}
}
if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
{
STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
{
const var_t *func = stmt->u.var;
if (!is_attr(func->attrs, ATTR_LOCAL))
check_remoting_args(func);
}
}
}
static void check_statements(const statement_list_t *stmts, int is_inside_library)
{
const statement_t *stmt;
if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
{
if (stmt->type == STMT_LIBRARY)
check_statements(stmt->u.lib->stmts, TRUE);
else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
check_functions(stmt->u.type, is_inside_library);
}
}
static void check_all_user_types(const statement_list_t *stmts)
{
const statement_t *stmt;
if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
{
if (stmt->type == STMT_LIBRARY)
check_all_user_types(stmt->u.lib->stmts);
else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
!is_local(stmt->u.type->attrs))
{
const statement_t *stmt_func;
STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
const var_t *func = stmt_func->u.var;
check_for_additional_prototype_types(func->type->details.function->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';
}
static statement_t *make_statement(enum statement_type type)
{
statement_t *stmt = xmalloc(sizeof(*stmt));
stmt->type = type;
return stmt;
}
static statement_t *make_statement_type_decl(type_t *type)
{
statement_t *stmt = make_statement(STMT_TYPE);
stmt->u.type = type;
return stmt;
}
static statement_t *make_statement_reference(type_t *type)
{
statement_t *stmt = make_statement(STMT_TYPEREF);
stmt->u.type = type;
return stmt;
}
static statement_t *make_statement_declaration(var_t *var)
{
statement_t *stmt = make_statement(STMT_DECLARATION);
stmt->u.var = var;
if (var->stgclass == STG_EXTERN && var->eval)
warning("'%s' initialised and declared extern\n", var->name);
if (is_const_decl(var))
{
if (var->eval)
reg_const(var);
}
else if (type_get_type(var->type) == TYPE_FUNCTION)
check_function_attrs(var->name, var->attrs);
else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
error_loc("instantiation of data is illegal\n");
return stmt;
}
static statement_t *make_statement_library(typelib_t *typelib)
{
statement_t *stmt = make_statement(STMT_LIBRARY);
stmt->u.lib = typelib;
return stmt;
}
static statement_t *make_statement_cppquote(const char *str)
{
statement_t *stmt = make_statement(STMT_CPPQUOTE);
stmt->u.str = str;
return stmt;
}
static statement_t *make_statement_importlib(const char *str)
{
statement_t *stmt = make_statement(STMT_IMPORTLIB);
stmt->u.str = str;
return stmt;
}
static statement_t *make_statement_import(const char *str)
{
statement_t *stmt = make_statement(STMT_IMPORT);
stmt->u.str = str;
return stmt;
}
static statement_t *make_statement_module(type_t *type)
{
statement_t *stmt = make_statement(STMT_MODULE);
stmt->u.type = type;
return stmt;
}
static statement_t *make_statement_typedef(declarator_list_t *decls)
{
declarator_t *decl, *next;
statement_t *stmt;
type_list_t **type_list;
if (!decls) return NULL;
stmt = make_statement(STMT_TYPEDEF);
stmt->u.type_list = NULL;
type_list = &stmt->u.type_list;
LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
{
var_t *var = decl->var;
type_t *type = find_type_or_error(var->name, 0);
*type_list = xmalloc(sizeof(type_list_t));
(*type_list)->type = type;
(*type_list)->next = NULL;
type_list = &(*type_list)->next;
free(decl);
free(var);
}
return stmt;
}
static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
{
if (!stmt) return list;
if (!list)
{
list = xmalloc( sizeof(*list) );
list_init( list );
}
list_add_tail( list, &stmt->entry );
return list;
}
void init_loc_info(loc_info_t *i)
{
i->input_name = input_name ? input_name : "stdin";
i->line_number = line_number;
i->near_text = parser_text;
}
static void check_def(const type_t *t)
{
if (t->defined)
error_loc("%s: redefinition error; original definition was at %s:%d\n",
t->name, t->loc_info.input_name, t->loc_info.line_number);
}
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