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Diffstat (limited to 'lib/Language/Elna/SymbolTable.hs')
| -rw-r--r-- | lib/Language/Elna/SymbolTable.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Language/Elna/SymbolTable.hs b/lib/Language/Elna/SymbolTable.hs index ba2e41f..f1c6534 100644 --- a/lib/Language/Elna/SymbolTable.hs +++ b/lib/Language/Elna/SymbolTable.hs @@ -2,6 +2,7 @@ module Language.Elna.SymbolTable ( Info(..) , ParameterInfo(..) , SymbolTable + , empty , enter , lookup , symbolTable @@ -31,6 +32,9 @@ symbolTable = SymbolTable $ HashMap.fromList , ("int", TypeInfo intType) ] +empty :: SymbolTable +empty = SymbolTable HashMap.empty + enter :: Identifier -> Info -> SymbolTable -> SymbolTable enter identifier info (SymbolTable table) = SymbolTable $ HashMap.insert identifier info table |