Improve enum member parsing and introspection

2008-06-03  Johan Dahlin  <jdahlin@async.com.br>

    * giscanner/Makefile.am:
    * giscanner/ast.py:
    * giscanner/girwriter.py:
    * giscanner/glibast.py:
    * giscanner/glibtransformer.py:
    * giscanner/transformer.py:
    * giscanner/utils.py:
    * tests/parser/Foo-expected.gir:
    Improve enum member parsing and introspection


svn path=/trunk/; revision=283

1 files changed, 53 insertions, 0 deletions

diff --git a/giscanner/utils.py b/giscanner/utils.py
new file mode 100644
index 00000000..488baadd
--- /dev/null
+++ b/giscanner/utils.py
@@ -0,0 +1,53 @@
+# -*- Mode: Python -*-
+# GObject-Introspection - a framework for introspecting GObject libraries
+# Copyright (C) 2008  Johan Dahlin
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+#
+
+import re
+import os
+
+# Copied from h2defs.py
+_upperstr_pat1 = re.compile(r'([^A-Z])([A-Z])')
+_upperstr_pat2 = re.compile(r'([A-Z][A-Z])([A-Z][0-9a-z])')
+_upperstr_pat3 = re.compile(r'^([A-Z])([A-Z])')
+
+def to_underscores(name):
+    """Converts a typename to the equivalent underscores name.
+    This is used to form the type conversion macros and enum/flag
+    name variables"""
+    name = _upperstr_pat1.sub(r'\1_\2', name)
+    name = _upperstr_pat2.sub(r'\1_\2', name)
+    name = _upperstr_pat3.sub(r'\1_\2', name, count=1)
+    return name
+
+_libtool_pat = re.compile("dlname='([A-z0-9\.\-\+]+)'\n")
+
+def resolve_libtool(libname):
+    data = open(libname).read()
+    filename = _libtool_pat.search(data).groups()[0]
+    libname = os.path.join(os.path.dirname(libname),
+                           '.libs', filename)
+    return libname
+
+def strip_common_prefix(first, second):
+    first_underscore = to_underscores(first)
+    for i, c in enumerate(first_underscore.upper()):
+        if c != second[i]:
+            break
+    return second[i:]
+