1 files changed, 291 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_structs_dump.py b/src/gallium/drivers/i965/brw_structs_dump.py
new file mode 100755
index 0000000000..6dba49ad91
--- /dev/null
+++ b/src/gallium/drivers/i965/brw_structs_dump.py
@@ -0,0 +1,291 @@
+#!/usr/bin/env python
+'''
+Generates dumpers for the i965 state strucutures using pygccxml.
+
+Run as 
+
+  PYTHONPATH=/path/to/pygccxml-1.0.0 python brw_structs_dump.py
+
+Jose Fonseca <jfonseca@vmware.com>
+'''
+
+copyright = '''
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ **************************************************************************/
+ '''
+
+import os
+import sys
+import re
+
+from pygccxml import parser
+from pygccxml import declarations
+
+from pygccxml.declarations import algorithm
+from pygccxml.declarations import decl_visitor
+from pygccxml.declarations import type_traits
+from pygccxml.declarations import type_visitor
+
+
+enums = True
+
+
+def vars_filter(variable):
+    name = variable.name
+    return not re.match('^pad\d*', name) and name != 'dword' 
+
+
+class decl_dumper_t(decl_visitor.decl_visitor_t):
+
+    def __init__(self, stream, instance = '', decl = None):
+        decl_visitor.decl_visitor_t.__init__(self)
+        self.stream = stream
+        self._instance = instance
+        self.decl = decl
+
+    def clone(self):
+        return decl_dumper_t(self.stream, self._instance, self.decl)
+
+    def visit_class(self):
+        class_ = self.decl
+        assert self.decl.class_type in ('struct', 'union')
+
+        for variable in class_.variables(recursive = False):
+            if vars_filter(variable):
+                dump_type(self.stream, self._instance + '.' + variable.name, variable.type)
+
+    def visit_enumeration(self):
+        if enums:
+            self.stream.write('   switch(%s) {\n' % ("(*ptr)" + self._instance,))
+            for name, value in self.decl.values:
+                self.stream.write('   case %s:\n' % (name,))
+                self.stream.write('      debug_printf("\\t\\t%s = %s\\n");\n' % (self._instance, name))
+                self.stream.write('      break;\n')
+            self.stream.write('   default:\n')
+            self.stream.write('      debug_printf("\\t\\t%s = %%i\\n", %s);\n' % (self._instance, "(*ptr)" + self._instance))
+            self.stream.write('      break;\n')
+            self.stream.write('   }\n')
+        else:
+            self.stream.write('   debug_printf("\\t\\t%s = %%i\\n", %s);\n' % (self._instance, "(*ptr)" + self._instance))
+
+
+def dump_decl(stream, instance, decl):
+    dumper = decl_dumper_t(stream, instance, decl)
+    algorithm.apply_visitor(dumper, decl)
+
+
+class type_dumper_t(type_visitor.type_visitor_t):
+
+    def __init__(self, stream, instance, type_):
+        type_visitor.type_visitor_t.__init__(self)
+        self.stream = stream
+        self.instance = instance
+        self.type = type_
+
+    def clone(self):
+        return type_dumper_t(self.instance, self.type)
+
+    def visit_bool(self):
+        self.print_instance('%i')
+        
+    def visit_char(self):
+        #self.print_instance('%i')
+        self.print_instance('0x%x')
+        
+    def visit_unsigned_char(self):
+        #self.print_instance('%u')
+        self.print_instance('0x%x')
+
+    def visit_signed_char(self):
+        #self.print_instance('%i')
+        self.print_instance('0x%x')
+    
+    def visit_wchar(self):
+        self.print_instance('0x%x')
+        
+    def visit_short_int(self):
+        #self.print_instance('%i')
+        self.print_instance('0x%x')
+        
+    def visit_short_unsigned_int(self):
+        #self.print_instance('%u')
+        self.print_instance('0x%x')
+        
+    def visit_int(self):
+        #self.print_instance('%i')
+        self.print_instance('0x%x')
+        
+    def visit_unsigned_int(self):
+        #self.print_instance('%u')
+        self.print_instance('0x%x')
+        
+    def visit_long_int(self):
+        #self.print_instance('%li')
+        self.print_instance('0x%lx')
+        
+    def visit_long_unsigned_int(self):
+        #self.print_instance('%lu')
+        self.print_instance('%0xlx')
+        
+    def visit_long_long_int(self):
+        #self.print_instance('%lli')
+        self.print_instance('%0xllx')
+        
+    def visit_long_long_unsigned_int(self):
+        #self.print_instance('%llu')
+        self.print_instance('0x%llx')
+        
+    def visit_float(self):
+        self.print_instance('%f')
+        
+    def visit_double(self):
+        self.print_instance('%f')
+        
+    def visit_array(self):
+        for i in range(type_traits.array_size(self.type)):
+            dump_type(self.stream, self.instance + '[%i]' % i, type_traits.base_type(self.type))
+
+    def visit_pointer(self):
+        self.print_instance('%p')
+
+    def visit_declarated(self):
+        #stream.write('decl = %r\n' % self.type.decl_string)
+        decl = type_traits.remove_declarated(self.type)
+        dump_decl(self.stream, self.instance, decl)
+
+    def print_instance(self, format):
+        self.stream.write('   debug_printf("\\t\\t%s = %s\\n", %s);\n' % (self.instance, format, "(*ptr)" + self.instance))
+
+
+
+def dump_type(stream, instance, type_):
+    type_ = type_traits.remove_alias(type_)
+    visitor = type_dumper_t(stream, instance, type_)
+    algorithm.apply_visitor(visitor, type_)
+
+
+def dump_struct_interface(stream, class_, suffix = ';'):
+    name = class_.name
+    assert name.startswith('brw_');
+    name = name[:4] + 'dump_' + name[4:]
+    stream.write('void\n')
+    stream.write('%s(const struct %s *ptr)%s\n' % (name, class_.name, suffix))
+
+
+def dump_struct_implementation(stream, decls, class_):
+    dump_struct_interface(stream, class_, suffix = '')
+    stream.write('{\n')
+    dump_decl(stream, '', class_)
+    stream.write('}\n')
+    stream.write('\n')
+
+
+def dump_header(stream):
+    stream.write(copyright.strip() + '\n')
+    stream.write('\n')
+    stream.write('/**\n')
+    stream.write(' * @file\n')
+    stream.write(' * Dump i965 data structures.\n')
+    stream.write(' *\n')
+    stream.write(' * Generated automatically from brw_structs.h by brw_structs_dump.py.\n')
+    stream.write(' */\n')
+    stream.write('\n')
+
+
+def dump_interfaces(decls, global_ns, names):
+    stream = open('brw_structs_dump.h', 'wt')
+    
+    dump_header(stream)
+    
+    stream.write('#ifndef BRW_STRUCTS_DUMP_H\n')
+    stream.write('#define BRW_STRUCTS_DUMP_H\n')
+    stream.write('\n')
+    
+    for name in names:
+        stream.write('struct %s;\n' % (name,))
+    stream.write('\n')
+
+    for name in names:
+        (class_,) = global_ns.classes(name = name)
+        dump_struct_interface(stream, class_)
+        stream.write('\n')
+    stream.write('\n')
+
+    stream.write('#endif /* BRW_STRUCTS_DUMP_H */\n')
+
+
+def dump_implementations(decls, global_ns, names):
+    stream = open('brw_structs_dump.c', 'wt')
+    
+    dump_header(stream)
+
+    stream.write('#include "util/u_debug.h"\n')
+    stream.write('\n')
+    stream.write('#include "brw_types.h"\n')
+    stream.write('#include "brw_structs.h"\n')
+    stream.write('#include "brw_structs_dump.h"\n')
+    stream.write('\n')
+
+    for name in names:
+        (class_,) = global_ns.classes(name = name)
+        dump_struct_implementation(stream, decls, class_)
+
+
+def decl_filter(decl):
+    '''Filter the declarations we're interested in'''
+    name = decl.name
+    return name.startswith('brw_') and name not in ('brw_instruction',) 
+
+
+def main():
+
+    config = parser.config_t(
+        include_paths = [
+            '../../include',
+        ],
+        compiler = 'gcc',
+    )
+
+    headers = [
+        'brw_types.h', 
+        'brw_structs.h', 
+    ]
+
+    decls = parser.parse(headers, config, parser.COMPILATION_MODE.ALL_AT_ONCE)
+    global_ns = declarations.get_global_namespace(decls)
+
+    names = []
+    for class_ in global_ns.classes(decl_filter):
+        names.append(class_.name)
+    names.sort()
+
+    dump_interfaces(decls, global_ns, names)
+    dump_implementations(decls, global_ns, names)
+
+
+if __name__ == '__main__':
+    main()