[gobject-introspection] scanner: handle unsigned properly for type of defined size

[Tomeu Vizoso <tomeuv src gnome org>]

commit 8b4d1acc40c03ddb0255b6a9f10ee5d731b39016
Author: Alban Browaeys <prahal yahoo com>
Date:   Fri Jun 29 04:38:04 2012 +0200

    scanner: handle unsigned properly for type of defined size

 giscanner/transformer.py               |   18 +++++++++++++++++-
 tests/scanner/Regress-1.0-expected.gir |    5 +++++
 tests/scanner/regress.h                |    1 +
 3 files changed, 23 insertions(+), 1 deletions(-)
---
diff --git a/giscanner/transformer.py b/giscanner/transformer.py
index 26c7793..6afad88 100644
--- a/giscanner/transformer.py
+++ b/giscanner/transformer.py
@@ -723,7 +723,23 @@ raise ValueError."""
                 typeval = self._create_type_from_base(symbol.base_type)
             else:
                 typeval = ast.TYPE_INT
-            value = '%d' % (symbol.const_int, )
+            unaliased = typeval
+            self._resolve_type_from_ctype(unaliased)
+            if typeval.target_giname and typeval.ctype:
+                target = self.lookup_giname(typeval.target_giname)
+                target = self.resolve_aliases(target)
+                if isinstance(target, ast.Type):
+                    unaliased = target
+            if unaliased == ast.TYPE_UINT64:
+                value = str(symbol.const_int % 2**64)
+            elif unaliased == ast.TYPE_UINT32:
+                value = str(symbol.const_int % 2**32)
+            elif unaliased == ast.TYPE_UINT16:
+                value = str(symbol.const_int % 2**16)
+            elif unaliased == ast.TYPE_UINT8:
+                value = str(symbol.const_int % 2**16)
+            else:
+                value = str(symbol.const_int)
         elif symbol.const_double is not None:
             typeval = ast.TYPE_DOUBLE
             value = '%f' % (symbol.const_double, )
diff --git a/tests/scanner/Regress-1.0-expected.gir b/tests/scanner/Regress-1.0-expected.gir
index 43258f2..9b773fb 100644
--- a/tests/scanner/Regress-1.0-expected.gir
+++ b/tests/scanner/Regress-1.0-expected.gir
@@ -44,6 +44,11 @@ and/or use gtk-doc annotations.  -->
               c:type="REGRESS_DOUBLE_CONSTANT">
       <type name="gdouble" c:type="gdouble"/>
     </constant>
+    <constant name="GUINT64_CONSTANT"
+              value="18446744073709551615"
+              c:type="REGRESS_GUINT64_CONSTANT">
+      <type name="guint64" c:type="guint64"/>
+    </constant>
     <constant name="G_GINT64_CONSTANT"
               value="1000"
               c:type="REGRESS_G_GINT64_CONSTANT">
diff --git a/tests/scanner/regress.h b/tests/scanner/regress.h
index 0c071f5..ce5d1dc 100644
--- a/tests/scanner/regress.h
+++ b/tests/scanner/regress.h
@@ -260,6 +260,7 @@ GQuark regress_atest_error_quark (void);
 #define REGRESS_STRING_CONSTANT "Some String"
 #define REGRESS_Mixed_Case_Constant 4423
 #define REGRESS_G_GINT64_CONSTANT (G_GINT64_CONSTANT (1000))
+#define REGRESS_GUINT64_CONSTANT ((guint64) -1)
 
 /* structures */
 typedef struct _RegressTestStructA RegressTestStructA;