Mercurial Hosting > luan
changeset 1095:2443152dc2f1
add Luan.hash_code() and Table.hash_value()
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Tue, 21 Feb 2017 20:27:17 -0700 |
| parents | cb4c20fce7d0 |
| children | 5dc601c4ed6d |
| files | src/luan/LuanTable.java src/luan/modules/BasicLuan.java src/luan/modules/Luan.luan src/luan/modules/Table.luan src/luan/modules/TableLuan.java |
| diffstat | 5 files changed, 22 insertions(+), 0 deletions(-) [+] |
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diff -r cb4c20fce7d0 -r 2443152dc2f1 src/luan/LuanTable.java --- a/src/luan/LuanTable.java Tue Jan 24 14:14:43 2017 -0700 +++ b/src/luan/LuanTable.java Tue Feb 21 20:27:17 2017 -0700 @@ -469,4 +469,12 @@ list = null; } + public int hashValue() { + int n = 99; + if( map != null ) + n ^= map.hashCode(); + if( list != null ) + n ^= list.hashCode(); + return n; + } }
diff -r cb4c20fce7d0 -r 2443152dc2f1 src/luan/modules/BasicLuan.java --- a/src/luan/modules/BasicLuan.java Tue Jan 24 14:14:43 2017 -0700 +++ b/src/luan/modules/BasicLuan.java Tue Feb 21 20:27:17 2017 -0700 @@ -240,4 +240,12 @@ return v.getClass().getSimpleName().toLowerCase(); } + public static int hash_code(Object obj) throws LuanException { + if( obj == null ) { + return 0; + } else { + return obj.hashCode(); + } + } + }
diff -r cb4c20fce7d0 -r 2443152dc2f1 src/luan/modules/Luan.luan --- a/src/luan/modules/Luan.luan Tue Jan 24 14:14:43 2017 -0700 +++ b/src/luan/modules/Luan.luan Tue Feb 21 20:27:17 2017 -0700 @@ -12,6 +12,7 @@ Luan.assert_string = BasicLuan.assert_string Luan.assert_table = BasicLuan.assert_table Luan.get_metatable = BasicLuan.get_metatable +Luan.hash_code = BasicLuan.hash_code Luan.ipairs = BasicLuan.ipairs Luan.load = BasicLuan.load Luan.load_file = BasicLuan.load_file
diff -r cb4c20fce7d0 -r 2443152dc2f1 src/luan/modules/Table.luan --- a/src/luan/modules/Table.luan Tue Jan 24 14:14:43 2017 -0700 +++ b/src/luan/modules/Table.luan Tue Feb 21 20:27:17 2017 -0700 @@ -6,6 +6,7 @@ Table.clear = TableLuan.clear Table.concat = TableLuan.concat Table.copy = TableLuan.copy +Table.hash_value = TableLuan.hash_value Table.insert = TableLuan.insert Table.pack = TableLuan.pack Table.remove = TableLuan.remove
diff -r cb4c20fce7d0 -r 2443152dc2f1 src/luan/modules/TableLuan.java --- a/src/luan/modules/TableLuan.java Tue Jan 24 14:14:43 2017 -0700 +++ b/src/luan/modules/TableLuan.java Tue Feb 21 20:27:17 2017 -0700 @@ -112,4 +112,8 @@ tbl.rawClear(); } + public static int hash_value(LuanTable tbl) throws LuanException { + return tbl.hashValue(); + } + }