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glsl: Implement remaining as_foo functions with macros

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The downcast functions for non-leaf classes were previously implemented
"by hand."  Now they are implemented using macros based on the is_foo
functions added in the previous patch.

v2: Remove redundant parenthesis.  Suggested by Curro (on the next
patch).

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Ian Romanick 2015-03-24 09:02:24 -07:00
parent a284c63006
commit 0c4ee62045
1 changed files with 9 additions and 31 deletions
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40
src/glsl/ir.h
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@ -142,39 +142,17 @@ public:
* Additional downcast functions will be added as needed.
*/
/*@{*/
class ir_rvalue *as_rvalue()
{
assume(this != NULL);
if (ir_type == ir_type_dereference_array ||
ir_type == ir_type_dereference_record ||
ir_type == ir_type_dereference_variable ||
ir_type == ir_type_constant ||
ir_type == ir_type_expression ||
ir_type == ir_type_swizzle ||
ir_type == ir_type_texture)
return (class ir_rvalue *) this;
return NULL;
#define AS_BASE(TYPE) \
class ir_##TYPE *as_##TYPE() \
{ \
assume(this != NULL); \
return is_##TYPE() ? (ir_##TYPE *) this : NULL; \
}
class ir_dereference *as_dereference()
{
assume(this != NULL);
if (ir_type == ir_type_dereference_array ||
ir_type == ir_type_dereference_record ||
ir_type == ir_type_dereference_variable)
return (class ir_dereference *) this;
return NULL;
}
class ir_jump *as_jump()
{
assume(this != NULL);
if (ir_type == ir_type_loop_jump ||
ir_type == ir_type_return ||
ir_type == ir_type_discard)
return (class ir_jump *) this;
return NULL;
}
AS_BASE(rvalue)
AS_BASE(dereference)
AS_BASE(jump)
#undef AS_BASE
#define AS_CHILD(TYPE) \
class ir_##TYPE * as_##TYPE() \