diff options
Diffstat (limited to 'mesalib/src/glsl/ir_import_prototypes.cpp')
-rw-r--r-- | mesalib/src/glsl/ir_import_prototypes.cpp | 244 |
1 files changed, 122 insertions, 122 deletions
diff --git a/mesalib/src/glsl/ir_import_prototypes.cpp b/mesalib/src/glsl/ir_import_prototypes.cpp index 3585bf6b2..03d40bb68 100644 --- a/mesalib/src/glsl/ir_import_prototypes.cpp +++ b/mesalib/src/glsl/ir_import_prototypes.cpp @@ -1,122 +1,122 @@ -/* - * 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. - */ - -/** - * \file ir_import_prototypes.cpp - * Import function prototypes from one IR tree into another. - * - * \author Ian Romanick - */ -#include "ir.h" -#include "glsl_symbol_table.h" - -/** - * Visitor used to import function prototypes - * - * Normally the \c clone method of either \c ir_function or - * \c ir_function_signature could be used. However, we don't want a complete - * clone of the \c ir_function_signature. We want everything \b except the - * body of the function. - */ -class import_prototype_visitor : public ir_hierarchical_visitor { -public: - /** - */ - import_prototype_visitor(exec_list *list, glsl_symbol_table *symbols, - void *mem_ctx) - { - this->mem_ctx = mem_ctx; - this->list = list; - this->symbols = symbols; - this->function = NULL; - } - - virtual ir_visitor_status visit_enter(ir_function *ir) - { - assert(this->function == NULL); - - this->function = this->symbols->get_function(ir->name); - if (!this->function) { - this->function = new(this->mem_ctx) ir_function(ir->name); - - list->push_tail(this->function); - - /* Add the new function to the symbol table. - */ - this->symbols->add_function(this->function); - } - return visit_continue; - } - - virtual ir_visitor_status visit_leave(ir_function *ir) - { - (void) ir; - assert(this->function != NULL); - - this->function = NULL; - return visit_continue; - } - - ir_visitor_status visit_enter(ir_function_signature *ir) - { - assert(this->function != NULL); - - ir_function_signature *copy = ir->clone_prototype(mem_ctx, NULL); - - this->function->add_signature(copy); - - /* Do not process child nodes of the ir_function_signature. There can - * never be any nodes inside the ir_function_signature that we care - * about. Instead continue with the next sibling. - */ - return visit_continue_with_parent; - } - -private: - exec_list *list; - ir_function *function; - glsl_symbol_table *symbols; - void *mem_ctx; -}; - - -/** - * Import function prototypes from one IR tree into another - * - * \param source Source instruction stream containing functions whose - * prototypes are to be imported - * \param dest Destination instruction stream where new \c ir_function and - * \c ir_function_signature nodes will be stored - * \param symbols Symbol table where new functions will be stored - * \param mem_ctx ralloc memory context used for new allocations - */ -void -import_prototypes(const exec_list *source, exec_list *dest, - glsl_symbol_table *symbols, void *mem_ctx) -{ - import_prototype_visitor v(dest, symbols, mem_ctx); - - /* Making source be const is just extra documentation. - */ - v.run(const_cast<exec_list *>(source)); -} +/*
+ * 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.
+ */
+
+/**
+ * \file ir_import_prototypes.cpp
+ * Import function prototypes from one IR tree into another.
+ *
+ * \author Ian Romanick
+ */
+#include "ir.h"
+#include "glsl_symbol_table.h"
+
+/**
+ * Visitor used to import function prototypes
+ *
+ * Normally the \c clone method of either \c ir_function or
+ * \c ir_function_signature could be used. However, we don't want a complete
+ * clone of the \c ir_function_signature. We want everything \b except the
+ * body of the function.
+ */
+class import_prototype_visitor : public ir_hierarchical_visitor {
+public:
+ /**
+ */
+ import_prototype_visitor(exec_list *list, glsl_symbol_table *symbols,
+ void *mem_ctx)
+ {
+ this->mem_ctx = mem_ctx;
+ this->list = list;
+ this->symbols = symbols;
+ this->function = NULL;
+ }
+
+ virtual ir_visitor_status visit_enter(ir_function *ir)
+ {
+ assert(this->function == NULL);
+
+ this->function = this->symbols->get_function(ir->name);
+ if (!this->function) {
+ this->function = new(this->mem_ctx) ir_function(ir->name);
+
+ list->push_tail(this->function);
+
+ /* Add the new function to the symbol table.
+ */
+ this->symbols->add_function(this->function);
+ }
+ return visit_continue;
+ }
+
+ virtual ir_visitor_status visit_leave(ir_function *ir)
+ {
+ (void) ir;
+ assert(this->function != NULL);
+
+ this->function = NULL;
+ return visit_continue;
+ }
+
+ ir_visitor_status visit_enter(ir_function_signature *ir)
+ {
+ assert(this->function != NULL);
+
+ ir_function_signature *copy = ir->clone_prototype(mem_ctx, NULL);
+
+ this->function->add_signature(copy);
+
+ /* Do not process child nodes of the ir_function_signature. There can
+ * never be any nodes inside the ir_function_signature that we care
+ * about. Instead continue with the next sibling.
+ */
+ return visit_continue_with_parent;
+ }
+
+private:
+ exec_list *list;
+ ir_function *function;
+ glsl_symbol_table *symbols;
+ void *mem_ctx;
+};
+
+
+/**
+ * Import function prototypes from one IR tree into another
+ *
+ * \param source Source instruction stream containing functions whose
+ * prototypes are to be imported
+ * \param dest Destination instruction stream where new \c ir_function and
+ * \c ir_function_signature nodes will be stored
+ * \param symbols Symbol table where new functions will be stored
+ * \param mem_ctx ralloc memory context used for new allocations
+ */
+void
+import_prototypes(const exec_list *source, exec_list *dest,
+ glsl_symbol_table *symbols, void *mem_ctx)
+{
+ import_prototype_visitor v(dest, symbols, mem_ctx);
+
+ /* Making source be const is just extra documentation.
+ */
+ v.run(const_cast<exec_list *>(source));
+}
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