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authormarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
committermarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
commit807c6931fe683fd844ceec1b023232181e6aae03 (patch)
tree1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/src/glsl/glsl_symbol_table.h
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
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xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/glsl/glsl_symbol_table.h')
-rw-r--r--mesalib/src/glsl/glsl_symbol_table.h247
1 files changed, 126 insertions, 121 deletions
diff --git a/mesalib/src/glsl/glsl_symbol_table.h b/mesalib/src/glsl/glsl_symbol_table.h
index f26de5243..f48e9406e 100644
--- a/mesalib/src/glsl/glsl_symbol_table.h
+++ b/mesalib/src/glsl/glsl_symbol_table.h
@@ -1,121 +1,126 @@
-/* -*- 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 GLSL_SYMBOL_TABLE
-#define GLSL_SYMBOL_TABLE
-
-#include <new>
-
-extern "C" {
-#include "program/symbol_table.h"
-}
-#include "ir.h"
-#include "glsl_types.h"
-
-class symbol_table_entry;
-
-/**
- * Facade class for _mesa_symbol_table
- *
- * Wraps the existing \c _mesa_symbol_table data structure to enforce some
- * type safe and some symbol table invariants.
- */
-struct glsl_symbol_table {
-private:
- static int
- _glsl_symbol_table_destructor (glsl_symbol_table *table)
- {
- table->~glsl_symbol_table();
-
- return 0;
- }
-
-public:
- /* Callers of this talloc-based new need not call delete. It's
- * easier to just talloc_free 'ctx' (or any of its ancestors). */
- static void* operator new(size_t size, void *ctx)
- {
- void *table;
-
- table = talloc_size(ctx, size);
- assert(table != NULL);
-
- talloc_set_destructor(table, (int (*)(void*)) _glsl_symbol_table_destructor);
-
- return table;
- }
-
- /* If the user *does* call delete, that's OK, we will just
- * talloc_free in that case. Here, C++ will have already called the
- * destructor so tell talloc not to do that again. */
- static void operator delete(void *table)
- {
- talloc_set_destructor(table, NULL);
- talloc_free(table);
- }
-
- glsl_symbol_table();
- ~glsl_symbol_table();
-
- unsigned int language_version;
-
- void push_scope();
- void pop_scope();
-
- /**
- * Determine whether a name was declared at the current scope
- */
- bool name_declared_this_scope(const char *name);
-
- /**
- * \name Methods to add symbols to the table
- *
- * There is some temptation to rename all these functions to \c add_symbol
- * or similar. However, this breaks symmetry with the getter functions and
- * reduces the clarity of the intention of code that uses these methods.
- */
- /*@{*/
- bool add_variable(const char *name, ir_variable *v);
- bool add_type(const char *name, const glsl_type *t);
- bool add_function(const char *name, ir_function *f);
- /*@}*/
-
- /**
- * \name Methods to get symbols from the table
- */
- /*@{*/
- ir_variable *get_variable(const char *name);
- const glsl_type *get_type(const char *name);
- ir_function *get_function(const char *name);
- /*@}*/
-
-private:
- symbol_table_entry *get_entry(const char *name);
-
- struct _mesa_symbol_table *table;
- void *mem_ctx;
-};
-
-#endif /* GLSL_SYMBOL_TABLE */
+/* -*- 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 GLSL_SYMBOL_TABLE
+#define GLSL_SYMBOL_TABLE
+
+#include <new>
+
+extern "C" {
+#include "program/symbol_table.h"
+}
+#include "ir.h"
+#include "glsl_types.h"
+
+class symbol_table_entry;
+
+/**
+ * Facade class for _mesa_symbol_table
+ *
+ * Wraps the existing \c _mesa_symbol_table data structure to enforce some
+ * type safe and some symbol table invariants.
+ */
+struct glsl_symbol_table {
+private:
+ static int
+ _glsl_symbol_table_destructor (glsl_symbol_table *table)
+ {
+ table->~glsl_symbol_table();
+
+ return 0;
+ }
+
+public:
+ /* Callers of this talloc-based new need not call delete. It's
+ * easier to just talloc_free 'ctx' (or any of its ancestors). */
+ static void* operator new(size_t size, void *ctx)
+ {
+ void *table;
+
+ table = talloc_size(ctx, size);
+ assert(table != NULL);
+
+ talloc_set_destructor(table, (int (*)(void*)) _glsl_symbol_table_destructor);
+
+ return table;
+ }
+
+ /* If the user *does* call delete, that's OK, we will just
+ * talloc_free in that case. Here, C++ will have already called the
+ * destructor so tell talloc not to do that again. */
+ static void operator delete(void *table)
+ {
+ talloc_set_destructor(table, NULL);
+ talloc_free(table);
+ }
+
+ glsl_symbol_table();
+ ~glsl_symbol_table();
+
+ unsigned int language_version;
+
+ void push_scope();
+ void pop_scope();
+
+ /**
+ * Determine whether a name was declared at the current scope
+ */
+ bool name_declared_this_scope(const char *name);
+
+ /**
+ * \name Methods to add symbols to the table
+ *
+ * There is some temptation to rename all these functions to \c add_symbol
+ * or similar. However, this breaks symmetry with the getter functions and
+ * reduces the clarity of the intention of code that uses these methods.
+ */
+ /*@{*/
+ bool add_variable(ir_variable *v);
+ bool add_type(const char *name, const glsl_type *t);
+ bool add_function(ir_function *f);
+ /*@}*/
+
+ /**
+ * Add an function at global scope without checking for scoping conflicts.
+ */
+ void add_global_function(ir_function *f);
+
+ /**
+ * \name Methods to get symbols from the table
+ */
+ /*@{*/
+ ir_variable *get_variable(const char *name);
+ const glsl_type *get_type(const char *name);
+ ir_function *get_function(const char *name);
+ /*@}*/
+
+private:
+ symbol_table_entry *get_entry(const char *name);
+
+ struct _mesa_symbol_table *table;
+ void *mem_ctx;
+};
+
+#endif /* GLSL_SYMBOL_TABLE */