generate enums.c file (Zack Rusin)
diff --git a/src/mesa/glapi/gl_enums.py b/src/mesa/glapi/gl_enums.py
new file mode 100644
index 0000000..509afec
--- /dev/null
+++ b/src/mesa/glapi/gl_enums.py
@@ -0,0 +1,183 @@
+#!/usr/bin/python2
+# -*- Mode: Python; py-indent-offset: 8 -*-
+
+# (C) Copyright Zack Rusin 2005
+# 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
+# on 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+# IBM 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.
+#
+# Authors:
+# Zack Rusin <zack@kde.org>
+
+from xml.sax import saxutils
+from xml.sax import make_parser
+from xml.sax.handler import feature_namespaces
+
+import license
+import gl_XML
+import sys, getopt
+
+class PrintGlEnums(gl_XML.FilterGLAPISpecBase):
+ name = "gl_enums.py (from Mesa)"
+
+ def __init__(self):
+ gl_XML.FilterGLAPISpecBase.__init__(self)
+ self.license = license.bsd_license_template % ( \
+"""Copyright (C) 1999-2005 Brian Paul All Rights Reserved.""", "BRIAN PAUL")
+
+
+ def printRealHeader(self):
+ print '#include "glheader.h"'
+ print '#include "enums.h"'
+ print '#include "imports.h"'
+ print ''
+ print 'typedef struct {'
+ print ' const char *c;'
+ print ' int n;'
+ print '} enum_elt;'
+ print ''
+ print 'static enum_elt all_enums[] ='
+ print '{'
+ return
+
+ def printRealFooter(self):
+ print """
+};
+
+#define Elements(x) sizeof(x)/sizeof(*x)
+
+typedef int (*cfunc)(const void *, const void *);
+
+static enum_elt **index1;
+static int sorted;
+
+static int compar_name( const enum_elt *a, const enum_elt *b )
+{
+ return _mesa_strcmp(a->c, b->c);
+}
+
+
+/* note the extra level of indirection
+ */
+static int compar_nr( const enum_elt **a, const enum_elt **b )
+{
+ return (*a)->n - (*b)->n;
+}
+
+
+static void sort_enums( void )
+{
+ GLuint i;
+ index1 = (enum_elt **)MALLOC( Elements(all_enums) * sizeof(enum_elt *) );
+ sorted = 1;
+
+ if (!index1)
+ return; /* what else can we do? */
+
+ qsort( all_enums, Elements(all_enums), sizeof(*all_enums),
+ (cfunc) compar_name );
+
+ for (i = 0 ; i < Elements(all_enums) ; i++)
+ index1[i] = &all_enums[i];
+
+ qsort( index1, Elements(all_enums), sizeof(*index1), (cfunc) compar_nr );
+}
+
+
+
+int _mesa_lookup_enum_by_name( const char *symbol )
+{
+ enum_elt tmp;
+ enum_elt *e;
+
+ if (!sorted)
+ sort_enums();
+
+ if (!symbol)
+ return 0;
+
+ tmp.c = symbol;
+ e = (enum_elt *)bsearch( &tmp, all_enums, Elements(all_enums),
+ sizeof(*all_enums), (cfunc) compar_name );
+
+ return e ? e->n : -1;
+}
+
+
+static char token_tmp[20];
+
+const char *_mesa_lookup_enum_by_nr( int nr )
+{
+ enum_elt tmp, *e, **f;
+
+ if (!sorted)
+ sort_enums();
+
+ tmp.n = nr;
+ e = &tmp;
+
+ f = (enum_elt **)bsearch( &e, index1, Elements(all_enums),
+ sizeof(*index1), (cfunc) compar_nr );
+
+ if (f) {
+ return (*f)->c;
+ }
+ else {
+ /* this isn't re-entrant safe, no big deal here */
+ _mesa_sprintf(token_tmp, "0x%x", nr);
+ return token_tmp;
+ }
+}
+"""
+ return
+
+ def printFunctions(self):
+ for enum in self.enums:
+ print ' { "%s", 0x%X },' % (enum.name, enum.value)
+ return
+
+
+def show_usage():
+ print "Usage: %s [-f input_file_name]" % sys.argv[0]
+ sys.exit(1)
+
+if __name__ == '__main__':
+ file_name = "gl_API.xml"
+
+ try:
+ (args, trail) = getopt.getopt(sys.argv[1:], "f:")
+ except Exception,e:
+ show_usage()
+
+ for (arg,val) in args:
+ if arg == "-f":
+ file_name = val
+
+ dh = PrintGlEnums()
+
+ parser = make_parser()
+ parser.setFeature(feature_namespaces, 0)
+ parser.setContentHandler(dh)
+
+ f = open(file_name)
+
+ dh.printHeader()
+ parser.parse(f)
+ dh.printFooter()