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generator: fix possible unhandled KeyNotFoundException (regression)

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This regression surfaced after 82a957bc9d [1],
when many collections were migrated to generic collections. HashTables
simply return null when queried for certain key, while Dictionary objects
throw KeyNotFoundException.

The regression could be noticed, more particularly, when trying to
compile the gtk3 branch of the gudevsharp project [2].

[1] 82a957bc9d
[2] https://github.com/mono/gudev-sharp/commits/gtk3
This commit is contained in:
Andrés G. Aragoneses 2013-08-23 22:06:29 +02:00
parent 4046a4c4bd
commit 9327d7d085
1 changed files with 6 additions and 1 deletions
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7
generator/SymbolTable.cs
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@ -214,7 +214,12 @@ namespace GtkSharp.Generation {
IGeneratable cur_type = null;
while (types.TryGetValue (type, out cur_type) && cur_type is AliasGen) {
IGeneratable igen = cur_type as AliasGen;
types [type] = types [igen.Name];
IGeneratable new_type;
if (!types.TryGetValue (igen.Name, out new_type))
new_type = null;
types [type] = new_type;
type = igen.Name;
}