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ir_hierarchical_visitor: Add generic callback functionality

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This commit is contained in:
Ian Romanick 2010-06-22 18:37:12 -07:00
parent 53cdb7e51d
commit 7c09576a97
2 changed files with 72 additions and 16 deletions
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70
ir_hierarchical_visitor.cpp
View file

@ -24,38 +24,54 @@
#include "ir.h"
#include "ir_hierarchical_visitor.h"
ir_hierarchical_visitor::ir_hierarchical_visitor()
{
this->callback = NULL;
this->data = NULL;
}
ir_visitor_status
ir_hierarchical_visitor::visit(ir_variable *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit(ir_constant *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit(ir_loop_jump *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit(ir_dereference_variable *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_loop *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -69,7 +85,9 @@ ir_hierarchical_visitor::visit_leave(ir_loop *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_function_signature *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -83,7 +101,9 @@ ir_hierarchical_visitor::visit_leave(ir_function_signature *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_function *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -97,7 +117,9 @@ ir_hierarchical_visitor::visit_leave(ir_function *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_expression *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -111,7 +133,9 @@ ir_hierarchical_visitor::visit_leave(ir_expression *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_texture *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -125,7 +149,9 @@ ir_hierarchical_visitor::visit_leave(ir_texture *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_swizzle *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -139,7 +165,9 @@ ir_hierarchical_visitor::visit_leave(ir_swizzle *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_dereference_array *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -153,7 +181,9 @@ ir_hierarchical_visitor::visit_leave(ir_dereference_array *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_dereference_record *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -167,7 +197,9 @@ ir_hierarchical_visitor::visit_leave(ir_dereference_record *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_assignment *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -181,7 +213,9 @@ ir_hierarchical_visitor::visit_leave(ir_assignment *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_call *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -195,7 +229,9 @@ ir_hierarchical_visitor::visit_leave(ir_call *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_return *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}
@ -209,7 +245,9 @@ ir_hierarchical_visitor::visit_leave(ir_return *ir)
ir_visitor_status
ir_hierarchical_visitor::visit_enter(ir_if *ir)
{
(void) ir;
if (this->callback != NULL)
this->callback(ir, this->data);
return visit_continue;
}

18
ir_hierarchical_visitor.h
View file

@ -76,6 +76,8 @@ enum ir_visitor_status {
class ir_hierarchical_visitor {
public:
ir_hierarchical_visitor();
/**
* \name Visit methods for leaf-node classes
*/
@ -136,6 +138,22 @@ public:
* Utility function to process a linked list of instructions with a visitor
*/
void run(struct exec_list *instructions);
protected:
/**
* Callback function that is invoked on entry to 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 execpt one.
*/
void (*callback)(class ir_instruction *ir, void *data);
/**
* Extra data parameter passed to the per-node callback function
*/
void *data;
};
#endif /* IR_HIERARCHICAL_VISITOR_H */