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widl: Disallow qualified types in expressions. 

MIDL WinRT mode only supports a limited subset of original IDL syntax
anyway, and this will save some conflicts when removing the lexer trick
for namespaces.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-02-08 09:30:45 +01:00 committed by Alexandre Julliard
parent 47a256c648
commit f5b7a76b28
1 changed files with 18 additions and 6 deletions
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24
tools/widl/parser.y
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@ -279,7 +279,7 @@ static typelib_t *current_typelib;
%type <stgclass> storage_cls_spec
%type <type_qualifier> type_qualifier m_type_qual_list
%type <function_specifier> function_specifier
%type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
%type <declspec> decl_spec unqualified_decl_spec decl_spec_no_type m_decl_spec_no_type
%type <type> inherit interface interfacedef
%type <type> interfaceref
%type <type> dispinterface dispinterfacedef
@ -287,7 +287,7 @@ static typelib_t *current_typelib;
%type <str> namespacedef
%type <type> base_type int_std
%type <type> enumdef structdef uniondef typedecl
%type <type> type qualified_type
%type <type> type unqualified_type qualified_type
%type <ifref> class_interface
%type <ifref_list> class_interfaces
%type <var> arg ne_union_field union_field s_field case enum enum_member declaration
@ -763,9 +763,9 @@ expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
| '*' expr %prec PPTR { $$ = 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
| '(' unqualified_decl_spec m_abstract_declarator ')' expr %prec CAST
{ $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
| tSIZEOF '(' decl_spec m_abstract_declarator ')'
| tSIZEOF '(' unqualified_decl_spec m_abstract_declarator ')'
{ $$ = 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; }
@ -1005,6 +1005,12 @@ decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, STG_NON
{ $$ = make_decl_spec($2, $1, $3, STG_NONE, 0, 0); }
;
unqualified_decl_spec: unqualified_type m_decl_spec_no_type
{ $$ = make_decl_spec($1, $2, NULL, STG_NONE, 0, 0); }
| decl_spec_no_type unqualified_type m_decl_spec_no_type
{ $$ = make_decl_spec($2, $1, $3, STG_NONE, 0, 0); }
;
m_decl_spec_no_type: { $$ = NULL; }
| decl_spec_no_type
;
@ -1146,8 +1152,8 @@ pointer_type:
structdef: tSTRUCT m_typename '{' fields '}' { $$ = type_new_struct($2, current_namespace, TRUE, $4); }
;
type: tVOID { $$ = type_new_void(); }
| qualified_type { $$ = $1; }
unqualified_type:
tVOID { $$ = type_new_void(); }
| base_type { $$ = $1; }
| enumdef { $$ = $1; }
| tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
@ -1156,6 +1162,12 @@ type: tVOID { $$ = type_new_void(); }
| uniondef { $$ = $1; }
| tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
| tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
| aKNOWNTYPE { $$ = find_type_or_error(current_namespace, $1); }
;
type:
unqualified_type
| namespace_pfx typename { $$ = find_type_or_error($1, $2); }
;
typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list