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authorbculkin2442 <bjculkin@mix.wvu.edu>2016-10-27 21:56:18 -0400
committerbculkin2442 <bjculkin@mix.wvu.edu>2016-10-27 22:12:47 -0400
commite7413128ff4e376997de6e94e4bea5eca14811ef (patch)
tree0749e270fdb754d04dc223abd95d47436508047f /dice-lang/src/main/java/bjc/dicelang/ast/optimization/ArithmeticCollapser.java
parente13a6981bd278c2cfc3b5ecb2517367b117f7a52 (diff)
Moved examples
Diffstat (limited to 'dice-lang/src/main/java/bjc/dicelang/ast/optimization/ArithmeticCollapser.java')
-rw-r--r--dice-lang/src/main/java/bjc/dicelang/ast/optimization/ArithmeticCollapser.java50
1 files changed, 0 insertions, 50 deletions
diff --git a/dice-lang/src/main/java/bjc/dicelang/ast/optimization/ArithmeticCollapser.java b/dice-lang/src/main/java/bjc/dicelang/ast/optimization/ArithmeticCollapser.java
deleted file mode 100644
index 960fbf7..0000000
--- a/dice-lang/src/main/java/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.funcdata.IList;
-import bjc.utils.funcdata.ITree;
-import bjc.utils.funcdata.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)));
- }
-}