glsl: Constify the as_foo functions

Now that they're all implemented using macros, this is trivial.

v2: Remove redundant parenthesis.  Suggested by Curro.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 0284b0278fc0eddf53e9fb19767be07764b36667..b95ba2c761b949b2651ec0d1bcd08c602e7bb151 100644 (file)
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -144,6 +144,11 @@ public:
    /*@{*/
    #define AS_BASE(TYPE)                                \
    class ir_##TYPE *as_##TYPE()                         \
+   {                                                    \
+      assume(this != NULL);                             \
+      return is_##TYPE() ? (ir_##TYPE *) this : NULL;   \
+   }                                                    \
+   const class ir_##TYPE *as_##TYPE() const             \
    {                                                    \
       assume(this != NULL);                             \
       return is_##TYPE() ? (ir_##TYPE *) this : NULL;   \
@@ -159,6 +164,11 @@ public:
    { \
       assume(this != NULL);                                         \
       return ir_type == ir_type_##TYPE ? (ir_##TYPE *) this : NULL; \
+   }                                                                      \
+   const class ir_##TYPE * as_##TYPE() const                              \
+   {                                                                      \
+      assume(this != NULL);                                               \
+      return ir_type == ir_type_##TYPE ? (const ir_##TYPE *) this : NULL; \
    }
    AS_CHILD(variable)
    AS_CHILD(function)