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widl: Do not write type definitions for types defined in an imported header.

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midl does not, and this would result in redefinition errors.

An equivalent (and arguably a bit more declarative) way to do this would be to
keep track in the parser whether a type or typedef statement is actually a
definition or not, and record that information in the statement_t. However, this
would require passing additional information alongside the type_t from each
relevant bison rule, which would thrash a lot of code.
This commit is contained in:
Elizabeth Figura 2024-03-25 18:37:42 -05:00 committed by Alexandre Julliard
parent 1db2eaf0b3
commit 93d50fd9de
3 changed files with 6 additions and 3 deletions
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6
tools/widl/parser.y
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@ -1359,7 +1359,7 @@ type:
typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
{ $1 = append_attribs($1, $3);
reg_typedefs( @$, $4, $5, check_typedef_attrs( $1 ) );
$$ = make_statement_typedef($5, $4->type->defined);
$$ = make_statement_typedef($5, $4->type->defined && !$4->type->defined_in_import);
}
;
@ -1719,7 +1719,7 @@ static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator
v->declspec.type = decl->type;
v->declspec.qualifier = decl->qualifier;
v->attrs = attrs;
v->is_defined = type->defined;
v->is_defined = type->defined && !type->defined_in_import;
if (is_attr(type->attrs, ATTR_CALLCONV) && !is_func(type))
error_loc("calling convention applied to non-function type\n");
@ -2833,7 +2833,7 @@ static statement_t *make_statement_type_decl(type_t *type)
{
statement_t *stmt = make_statement(STMT_TYPE);
stmt->u.type = type;
stmt->is_defined = type->defined;
stmt->is_defined = type->defined && !type->defined_in_import;
return stmt;
}

2
tools/widl/typetree.c
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@ -536,6 +536,7 @@ static void define_type(type_t *type, const struct location *where)
error_loc("type %s already defined at %s:%d\n", type->name, type->where.input_name, type->where.first_line );
type->defined = TRUE;
type->defined_in_import = parse_only;
type->where = *where;
}
@ -935,6 +936,7 @@ type_t *type_delegate_define(type_t *delegate, attr_list_t *attrs,
iface->details.iface->disp_inherit = NULL;
iface->details.iface->async_iface = NULL;
iface->details.iface->requires = NULL;
define_type(iface, where);
iface->defined = TRUE;
compute_method_indexes(iface);

1
tools/widl/widltypes.h
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@ -523,6 +523,7 @@ struct _type_t {
struct location where;
unsigned int ignore : 1;
unsigned int defined : 1;
unsigned int defined_in_import : 1;
unsigned int written : 1;
unsigned int user_types_registered : 1;
unsigned int tfswrite : 1; /* if the type needs to be written to the TFS */