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widl: Make sure that string types are always written out by write_string_tfs and not write_simple_pointer. 

This is because write_string_tfs has support for the full range of 
string types, write_simple_pointer doesn't have access to the var 
attributes which are needed to properly detect strings, and 
write_string_tfs sets the typestring offset to after the pointer is 
written and write_remoting_arg depends on this.
This commit is contained in:
Rob Shearman 2008-03-27 14:05:45 +00:00 committed by Alexandre Julliard
parent f4a9619364
commit f8ea9ec163
1 changed files with 32 additions and 31 deletions
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63
tools/widl/typegen.c
View File

@ -58,6 +58,9 @@ static size_t write_struct_tfs(FILE *file, type_t *type, const char *name, unsig
static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
const char *name, int write_ptr, unsigned int *tfsoff);
static const var_t *find_array_or_string_in_struct(const type_t *type);
static size_t write_string_tfs(FILE *file, const attr_list_t *attrs,
type_t *type,
const char *name, unsigned int *typestring_offset);
const char *string_of_type(unsigned char type)
{
@ -981,27 +984,13 @@ static unsigned int write_nonsimple_pointer(FILE *file, const type_t *type, size
return 4;
}
static unsigned char conf_string_type_of_char_type(unsigned char t)
{
switch (t)
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
return RPC_FC_C_CSTRING;
case RPC_FC_WCHAR:
return RPC_FC_C_WSTRING;
}
error("string_type_of_char_type: unrecognized type %d\n", t);
return 0;
}
static unsigned int write_simple_pointer(FILE *file, const type_t *type)
{
unsigned char fc
= is_string_type(type->attrs, type)
? conf_string_type_of_char_type(type->ref->type)
: type->ref->type;
unsigned char fc = type->ref->type;
/* for historical reasons, write_simple_pointer also handled string types,
* but no longer does. catch bad uses of the function with this check */
if (is_string_type(type->attrs, type))
error("write_simple_pointer: can't handle type %s which is a string type\n", type->name);
print_file(file, 2, "0x%02x, 0x8,\t/* %s [simple_pointer] */\n",
type->type, string_of_type(type->type));
print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
@ -1202,7 +1191,12 @@ static int write_no_repeat_pointer_descriptions(
*typestring_offset += 6;
if (is_ptr(type))
write_pointer_tfs(file, type, typestring_offset);
{
if (is_string_type(type->attrs, type))
write_string_tfs(file, NULL, type, NULL, typestring_offset);
else
write_pointer_tfs(file, type, typestring_offset);
}
else
{
unsigned absoff = type->typestring_offset;
@ -1268,7 +1262,9 @@ static int write_pointer_description_offsets(
}
*typestring_offset += 4;
if (processed(type->ref) || is_base_type(type->ref->type))
if (is_string_type(attrs, type))
write_string_tfs(file, NULL, type, NULL, typestring_offset);
else if (processed(type->ref) || is_base_type(type->ref->type))
write_pointer_tfs(file, type, typestring_offset);
else
error("write_pointer_description_offsets: type format string unknown\n");
@ -1535,18 +1531,18 @@ int is_declptr(const type_t *t)
static size_t write_string_tfs(FILE *file, const attr_list_t *attrs,
type_t *type,
const char *name, unsigned int *typestring_offset,
int toplevel)
const char *name, unsigned int *typestring_offset)
{
size_t start_offset;
unsigned char rtype;
if (toplevel && is_declptr(type))
if (is_declptr(type))
{
unsigned char flag = is_conformant_array(type) ? 0 : RPC_FC_P_SIMPLEPOINTER;
int pointer_type = is_ptr(type) ? type->type : get_attrv(attrs, ATTR_POINTERTYPE);
if (!pointer_type)
pointer_type = RPC_FC_RP;
print_start_tfs_comment(file, type, *typestring_offset);
print_file(file, 2,"0x%x, 0x%x,\t/* %s%s */\n",
pointer_type, flag, string_of_type(pointer_type),
flag ? " [simple_pointer]" : "");
@ -1828,7 +1824,7 @@ static size_t write_struct_tfs(FILE *file, type_t *type,
if (array && !processed(array->type))
array_offset
= is_attr(array->attrs, ATTR_STRING)
? write_string_tfs(file, array->attrs, array->type, array->name, tfsoff, FALSE)
? write_string_tfs(file, array->attrs, array->type, array->name, tfsoff)
: write_array_tfs(file, array->attrs, array->type, array->name, tfsoff);
corroff = *tfsoff;
@ -1891,7 +1887,12 @@ static size_t write_struct_tfs(FILE *file, type_t *type,
{
type_t *ft = f->type;
if (is_ptr(ft))
write_pointer_tfs(file, ft, tfsoff);
{
if (is_string_type(f->attrs, ft))
write_string_tfs(file, f->attrs, ft, f->name, tfsoff);
else
write_pointer_tfs(file, ft, tfsoff);
}
else if (!ft->declarray && is_conformant_array(ft))
{
unsigned int absoff = ft->typestring_offset;
@ -2182,7 +2183,7 @@ static size_t write_typeformatstring_var(FILE *file, int indent, const func_t *f
}
if (is_string_type(var->attrs, type))
return write_string_tfs(file, var->attrs, type, var->name, typeformat_offset, TRUE);
return write_string_tfs(file, var->attrs, type, var->name, typeformat_offset);
if (is_array(type))
{
@ -2286,6 +2287,10 @@ static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *ty
{
write_user_tfs(file, type, tfsoff);
}
else if (is_string_type(attrs, type))
{
write_string_tfs(file, attrs, type, name, tfsoff);
}
else if (is_ptr(type))
{
type_t *ref = type->ref;
@ -2307,10 +2312,6 @@ static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *ty
retmask |= 1;
}
}
else if (last_array(type) && is_attr(attrs, ATTR_STRING))
{
write_string_tfs(file, attrs, type, name, tfsoff, FALSE);
}
else if (type->declarray && is_conformant_array(type))
; /* conformant arrays and strings are handled specially */
else if (is_array(type))