bgfx/3rdparty/glsl-optimizer/src/glsl/ir_print_visitor.h
2013-03-17 11:29:03 -07:00

96 lines
3.1 KiB
C++

/* -*- c++ -*- */
/*
* Copyright © 2010 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#pragma once
#ifndef IR_PRINT_VISITOR_H
#define IR_PRINT_VISITOR_H
#include "ir.h"
#include "ir_visitor.h"
extern "C" {
#include "program/symbol_table.h"
}
extern void _mesa_print_ir(exec_list *instructions,
struct _mesa_glsl_parse_state *state);
/**
* Abstract base class of visitors of IR instruction trees
*/
class ir_print_visitor : public ir_visitor {
public:
ir_print_visitor();
virtual ~ir_print_visitor();
void indent(void);
/**
* \name Visit methods
*
* As typical for the visitor pattern, there must be one \c visit method for
* each concrete subclass of \c ir_instruction. Virtual base classes within
* the hierarchy should not have \c visit methods.
*/
/*@{*/
virtual void visit(ir_rvalue *);
virtual void visit(ir_variable *);
virtual void visit(ir_function_signature *);
virtual void visit(ir_function *);
virtual void visit(ir_expression *);
virtual void visit(ir_texture *);
virtual void visit(ir_swizzle *);
virtual void visit(ir_dereference_variable *);
virtual void visit(ir_dereference_array *);
virtual void visit(ir_dereference_record *);
virtual void visit(ir_assignment *);
virtual void visit(ir_constant *);
virtual void visit(ir_call *);
virtual void visit(ir_return *);
virtual void visit(ir_discard *);
virtual void visit(ir_if *);
virtual void visit(ir_loop *);
virtual void visit(ir_loop_jump *);
virtual void visit(ir_precision_statement *);
/*@}*/
private:
/**
* Fetch/generate a unique name for ir_variable.
*
* GLSL IR permits multiple ir_variables to share the same name. This works
* fine until we try to print it, when we really need a unique one.
*/
const char *unique_name(ir_variable *var);
/** A mapping from ir_variable * -> unique printable names. */
hash_table *printable_names;
_mesa_symbol_table *symbols;
void *mem_ctx;
int indentation;
};
#endif /* IR_PRINT_VISITOR_H */