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authorMichal Krol <mjkrol@gmail.org>2006-01-30 14:48:42 +0000
committerMichal Krol <mjkrol@gmail.org>2006-01-30 14:48:42 +0000
commit9dc8bce88e84322171e16be190f2e430dee986ac (patch)
treeb9cdc26a56e1eb7847d457e8c91c498538838d4b /src/mesa/shader/slang/slang_compile_function.c
parentb2006a40eb22899d38cd31691640555228e36975 (diff)
Split slang_compile.c into several smaller files - it was just too big.
Minor fixes and cosmetic changes.
Diffstat (limited to 'src/mesa/shader/slang/slang_compile_function.c')
-rw-r--r--src/mesa/shader/slang/slang_compile_function.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_compile_function.c b/src/mesa/shader/slang/slang_compile_function.c
new file mode 100644
index 0000000000..970c6faef0
--- /dev/null
+++ b/src/mesa/shader/slang/slang_compile_function.c
@@ -0,0 +1,133 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
+ *
+ * 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 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
+ * BRIAN PAUL 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 slang_compile_function.c
+ * slang front-end compiler
+ * \author Michal Krol
+ */
+
+#include "imports.h"
+#include "slang_utility.h"
+#include "slang_compile_variable.h"
+#include "slang_compile_struct.h"
+#include "slang_compile_operation.h"
+#include "slang_compile_function.h"
+
+/* slang_function */
+
+int slang_function_construct (slang_function *func)
+{
+ func->kind = slang_func_ordinary;
+ if (!slang_variable_construct (&func->header))
+ return 0;
+ func->parameters = (slang_variable_scope *) slang_alloc_malloc (sizeof (slang_variable_scope));
+ if (func->parameters == NULL)
+ {
+ slang_variable_destruct (&func->header);
+ return 0;
+ }
+ if (!slang_variable_scope_construct (func->parameters))
+ {
+ slang_alloc_free (func->parameters);
+ slang_variable_destruct (&func->header);
+ return 0;
+ }
+ func->param_count = 0;
+ func->body = NULL;
+ func->address = ~0;
+ return 1;
+}
+
+void slang_function_destruct (slang_function *func)
+{
+ slang_variable_destruct (&func->header);
+ slang_variable_scope_destruct (func->parameters);
+ slang_alloc_free (func->parameters);
+ if (func->body != NULL)
+ {
+ slang_operation_destruct (func->body);
+ slang_alloc_free (func->body);
+ }
+}
+
+/* slang_function_scope */
+
+int slang_function_scope_construct (slang_function_scope *scope)
+{
+ scope->functions = NULL;
+ scope->num_functions = 0;
+ scope->outer_scope = NULL;
+ return 1;
+}
+
+void slang_function_scope_destruct (slang_function_scope *scope)
+{
+ unsigned int i;
+
+ for (i = 0; i < scope->num_functions; i++)
+ slang_function_destruct (scope->functions + i);
+ slang_alloc_free (scope->functions);
+}
+
+int slang_function_scope_find_by_name (slang_function_scope *funcs, const char *name, int all_scopes)
+{
+ unsigned int i;
+
+ for (i = 0; i < funcs->num_functions; i++)
+ if (slang_string_compare (name, funcs->functions[i].header.name) == 0)
+ return 1;
+ if (all_scopes && funcs->outer_scope != NULL)
+ return slang_function_scope_find_by_name (funcs->outer_scope, name, 1);
+ return 0;
+}
+
+slang_function *slang_function_scope_find (slang_function_scope *funcs, slang_function *fun,
+ int all_scopes)
+{
+ unsigned int i;
+
+ for (i = 0; i < funcs->num_functions; i++)
+ {
+ slang_function *f = funcs->functions + i;
+ unsigned int j;
+
+ if (slang_string_compare (fun->header.name, f->header.name) != 0)
+ continue;
+ if (fun->param_count != f->param_count)
+ continue;
+ for (j = 0; j < fun->param_count; j++)
+ {
+ if (!slang_type_specifier_equal (&fun->parameters->variables[j].type.specifier,
+ &f->parameters->variables[j].type.specifier))
+ break;
+ }
+ if (j == fun->param_count)
+ return f;
+ }
+ if (all_scopes && funcs->outer_scope != NULL)
+ return slang_function_scope_find (funcs->outer_scope, fun, 1);
+ return NULL;
+}
+