1 /* -*- c++ -*- */ 2 /* 3 * Copyright © 2010 Intel Corporation 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 */ 24 25 #pragma once 26 #ifndef IR_PRINT_VISITOR_H 27 #define IR_PRINT_VISITOR_H 28 29 #include "ir.h" 30 #include "ir_visitor.h" 31 32 extern "C" { 33 #include "program/symbol_table.h" 34 } 35 36 extern void _mesa_print_ir(exec_list *instructions, 37 struct _mesa_glsl_parse_state *state); 38 39 /** 40 * Abstract base class of visitors of IR instruction trees 41 */ 42 class ir_print_visitor : public ir_visitor { 43 public: 44 ir_print_visitor(); 45 virtual ~ir_print_visitor(); 46 47 void indent(void); 48 49 /** 50 * \name Visit methods 51 * 52 * As typical for the visitor pattern, there must be one \c visit method for 53 * each concrete subclass of \c ir_instruction. Virtual base classes within 54 * the hierarchy should not have \c visit methods. 55 */ 56 /*@{*/ 57 virtual void visit(ir_rvalue *); 58 virtual void visit(ir_variable *); 59 virtual void visit(ir_function_signature *); 60 virtual void visit(ir_function *); 61 virtual void visit(ir_expression *); 62 virtual void visit(ir_texture *); 63 virtual void visit(ir_swizzle *); 64 virtual void visit(ir_dereference_variable *); 65 virtual void visit(ir_dereference_array *); 66 virtual void visit(ir_dereference_record *); 67 virtual void visit(ir_assignment *); 68 virtual void visit(ir_constant *); 69 virtual void visit(ir_call *); 70 virtual void visit(ir_return *); 71 virtual void visit(ir_discard *); 72 virtual void visit(ir_if *); 73 virtual void visit(ir_loop *); 74 virtual void visit(ir_loop_jump *); 75 /*@}*/ 76 77 private: 78 /** 79 * Fetch/generate a unique name for ir_variable. 80 * 81 * GLSL IR permits multiple ir_variables to share the same name. This works 82 * fine until we try to print it, when we really need a unique one. 83 */ 84 const char *unique_name(ir_variable *var); 85 86 /** A mapping from ir_variable * -> unique printable names. */ 87 hash_table *printable_names; 88 _mesa_symbol_table *symbols; 89 90 void *mem_ctx; 91 92 int indentation; 93 }; 94 95 #endif /* IR_PRINT_VISITOR_H */ 96