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Allow types to be built from the outside in.

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This is required for C style decl processing.
This commit is contained in:
Bill Currie 2011-02-02 15:07:44 +09:00
parent ac91e9376b
commit 1452da676d
2 changed files with 48 additions and 0 deletions
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12
tools/qfcc/include/type.h
View file

@ -128,6 +128,18 @@ extern struct symtab_s *quaternion_struct;
struct dstring_s;
type_t *new_type (void);
/** Append a type to the end of a type chain.
The type chain must be made up of only field, pointer, function and array
types, as other types do not have auxiliary type fields.
\param type The type chain to which the type will be appended.
\param new The type to be appended. May be any type.
\return The type chain with the type appended at the deepest
level.
*/
type_t *append_type (type_t *type, type_t *new);
type_t *find_type (type_t *new);
void new_typedef (const char *name, type_t *type);
type_t *field_type (type_t *aux);

36
tools/qfcc/source/type.c
View file

@ -120,6 +120,42 @@ new_type (void)
return type;
}
type_t *
append_type (type_t *type, type_t *new)
{
type_t **t = &type;
while (*t) {
switch ((*t)->type) {
case ev_void:
case ev_string:
case ev_float:
case ev_vector:
case ev_entity:
case ev_type_count:
case ev_quat:
case ev_integer:
case ev_short:
internal_error (0, "append to basic type");
case ev_field:
case ev_pointer:
t = &(*t)->t.fldptr.type;
break;
case ev_func:
t = &(*t)->t.func.type;
break;
case ev_invalid:
if ((*t)->ty == ty_array)
t = &(*t)->t.array.type;
else
internal_error (0, "append to object type");
break;
}
}
*t = new;
return type;
}
static int
types_same (type_t *a, type_t *b)
{