diff options
Diffstat (limited to 'mesalib/src/glsl/ir_hierarchical_visitor.h')
| -rw-r--r-- | mesalib/src/glsl/ir_hierarchical_visitor.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/mesalib/src/glsl/ir_hierarchical_visitor.h b/mesalib/src/glsl/ir_hierarchical_visitor.h index bc89a04d8..faa52fd79 100644 --- a/mesalib/src/glsl/ir_hierarchical_visitor.h +++ b/mesalib/src/glsl/ir_hierarchical_visitor.h @@ -163,14 +163,29 @@ public: * \warning * Visitor classes derived from \c ir_hierarchical_visitor \b may \b not * invoke this function. This can be used, for example, to cause the - * callback to be invoked on every node type execpt one. + * callback to be invoked on every node type except one. */ - void (*callback)(class ir_instruction *ir, void *data); + void (*callback_enter)(class ir_instruction *ir, void *data); /** - * Extra data parameter passed to the per-node callback function + * Callback function that is invoked on exit of each node visited. + * + * \warning + * Visitor classes derived from \c ir_hierarchical_visitor \b may \b not + * invoke this function. This can be used, for example, to cause the + * callback to be invoked on every node type except one. + */ + void (*callback_leave)(class ir_instruction *ir, void *data); + + /** + * Extra data parameter passed to the per-node callback_enter function + */ + void *data_enter; + + /** + * Extra data parameter passed to the per-node callback_leave function */ - void *data; + void *data_leave; /** * Currently in the LHS of an assignment? @@ -181,8 +196,10 @@ public: }; void visit_tree(ir_instruction *ir, - void (*callback)(class ir_instruction *ir, void *data), - void *data); + void (*callback_enter)(class ir_instruction *ir, void *data), + void *data_enter, + void (*callback_leave)(class ir_instruction *ir, void *data) = NULL, + void *data_leave = NULL); ir_visitor_status visit_list_elements(ir_hierarchical_visitor *v, exec_list *l, bool statement_list = true); |