summaryrefslogtreecommitdiff
path: root/dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java
diff options
context:
space:
mode:
authorbjculkin <bjculkin@WIT-136XG42.wvu-ad.wvu.edu>2017-02-27 10:08:50 -0500
committerbjculkin <bjculkin@WIT-136XG42.wvu-ad.wvu.edu>2017-02-27 10:08:50 -0500
commit79ee129fc0d36ad10bceb942262f2842419c030c (patch)
treed1298fdb8b81726f4b9012d7a29c3029a55a3aa7 /dice-lang/src/bjc/dicelang/ast/optimization/ArithmeticCollapser.java
parentc50a0744269ce22604c0604cc69e6d5e5ce8a3fc (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.java50
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)));
- }
-}