diff options
| author | bjculkin <bjculkin@WIT-136XG42.wvu-ad.wvu.edu> | 2017-02-27 10:08:50 -0500 |
|---|---|---|
| committer | bjculkin <bjculkin@WIT-136XG42.wvu-ad.wvu.edu> | 2017-02-27 10:08:50 -0500 |
| commit | 79ee129fc0d36ad10bceb942262f2842419c030c (patch) | |
| tree | d1298fdb8b81726f4b9012d7a29c3029a55a3aa7 /dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java | |
| parent | c50a0744269ce22604c0604cc69e6d5e5ce8a3fc (diff) | |
Pacakge reorganization
Diffstat (limited to 'dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java')
| -rw-r--r-- | dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java b/dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java deleted file mode 100644 index 69cc379..0000000 --- a/dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java +++ /dev/null @@ -1,50 +0,0 @@ -package bjc.dicelang.ast.optimization; - -import java.util.function.BinaryOperator; - -import bjc.utils.data.ITree; -import bjc.utils.funcdata.IList; -import bjc.utils.data.Tree; - -import bjc.dicelang.ast.DiceASTUtils; -import bjc.dicelang.ast.nodes.DiceASTType; -import bjc.dicelang.ast.nodes.IDiceASTNode; -import bjc.dicelang.ast.nodes.ILiteralDiceNode; -import bjc.dicelang.ast.nodes.IntegerLiteralNode; -import bjc.dicelang.ast.nodes.OperatorDiceNode; - -class ArithmeticCollapser { - private BinaryOperator<Integer> reducer; - private OperatorDiceNode type; - - public ArithmeticCollapser(BinaryOperator<Integer> reducr, - OperatorDiceNode typ) { - reducer = reducr; - this.type = typ; - } - - public ITree<IDiceASTNode> collapse( - IList<ITree<IDiceASTNode>> children) { - boolean allConstant = children.allMatch((subtree) -> { - return subtree.transformHead((node) -> { - if (node.getType() == DiceASTType.LITERAL) { - return ((ILiteralDiceNode) node).canOptimize(); - } - - return false; - }); - }); - - if (!allConstant) { - return new Tree<>(type, children); - } - - int initState = DiceASTUtils.literalToInteger(children.first()); - - return children.tail().reduceAux(initState, - (currentNode, state) -> { - return reducer.apply(state, - DiceASTUtils.literalToInteger(currentNode)); - }, (state) -> new Tree<>(new IntegerLiteralNode(state))); - } -} |
