1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* -*- c++ -*- */ 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright © 2010 Intel Corporation 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the next 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * paragraph) shall be included in all copies or substantial portions of the 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software. 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DEALINGS IN THE SOFTWARE. 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#pragma once 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifndef GLSL_SYMBOL_TABLE 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define GLSL_SYMBOL_TABLE 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include <new> 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgextern "C" { 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "program/symbol_table.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "ir.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "glsl_types.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgclass symbol_table_entry; 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Facade class for _mesa_symbol_table 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Wraps the existing \c _mesa_symbol_table data structure to enforce some 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * type safe and some symbol table invariants. 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct glsl_symbol_table { 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgprivate: 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org static void 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _glsl_symbol_table_destructor (glsl_symbol_table *table) 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org table->~glsl_symbol_table(); 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgpublic: 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Callers of this ralloc-based new need not call delete. It's 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * easier to just ralloc_free 'ctx' (or any of its ancestors). */ 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org static void* operator new(size_t size, void *ctx) 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *table; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org table = ralloc_size(ctx, size); 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(table != NULL); 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ralloc_set_destructor(table, (void (*)(void*)) _glsl_symbol_table_destructor); 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return table; 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* If the user *does* call delete, that's OK, we will just 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ralloc_free in that case. Here, C++ will have already called the 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * destructor so tell ralloc not to do that again. */ 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org static void operator delete(void *table) 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org { 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ralloc_set_destructor(table, NULL); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ralloc_free(table); 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org glsl_symbol_table(); 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ~glsl_symbol_table(); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned int language_version; 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void push_scope(); 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void pop_scope(); 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Determine whether a name was declared at the current scope 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool name_declared_this_scope(const char *name); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \name Methods to add symbols to the table 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * There is some temptation to rename all these functions to \c add_symbol 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * or similar. However, this breaks symmetry with the getter functions and 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * reduces the clarity of the intention of code that uses these methods. 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*@{*/ 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool add_variable(ir_variable *v); 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool add_type(const char *name, const glsl_type *t); 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool add_function(ir_function *f); 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org bool add_uniform_block(struct gl_uniform_block *u); 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*@}*/ 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Add an function at global scope without checking for scoping conflicts. 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void add_global_function(ir_function *f); 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /** 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \name Methods to get symbols from the table 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*@{*/ 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ir_variable *get_variable(const char *name); 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const glsl_type *get_type(const char *name); 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ir_function *get_function(const char *name); 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /*@}*/ 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgprivate: 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org symbol_table_entry *get_entry(const char *name); 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct _mesa_symbol_table *table; 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org void *mem_ctx; 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org}; 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* GLSL_SYMBOL_TABLE */ 126