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| author | bculkin2442 <bjculkin@mix.wvu.edu> | 2016-03-28 08:47:23 -0400 |
|---|---|---|
| committer | bculkin2442 <bjculkin@mix.wvu.edu> | 2016-03-28 08:47:23 -0400 |
| commit | 62e94ef994a59e87543445bb3c0ce0a37017a70a (patch) | |
| tree | dfa1a488d3929e3f93e2a91669cdaf97c6d707f3 /dice-lang/src/main/java/bjc/dicelang/ast/OperatorDiceNode.java | |
| parent | 78d9c539e25f16fd15f06c2b2c48c0ad37a21540 (diff) | |
Renamed packages to suit updated project
Diffstat (limited to 'dice-lang/src/main/java/bjc/dicelang/ast/OperatorDiceNode.java')
| -rw-r--r-- | dice-lang/src/main/java/bjc/dicelang/ast/OperatorDiceNode.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/dice-lang/src/main/java/bjc/dicelang/ast/OperatorDiceNode.java b/dice-lang/src/main/java/bjc/dicelang/ast/OperatorDiceNode.java new file mode 100644 index 0000000..45c3d58 --- /dev/null +++ b/dice-lang/src/main/java/bjc/dicelang/ast/OperatorDiceNode.java @@ -0,0 +1,81 @@ +package bjc.dicelang.ast; + +// The following classes need to be changed upon addition of a new operator +// 1. DiceASTExpression +// 2. DiceASTFlattener +// 3. DiceASTParser +/** + * A node that represents an operator + * + * @author ben + * + */ +public enum OperatorDiceNode implements IDiceASTNode { + /** + * Represents adding two nodes + */ + ADD, + /** + * Represents assigning one node to another + */ + ASSIGN, + /** + * Representings combining two node values together + */ + COMPOUND, + /** + * Represents dividing two nodes + */ + DIVIDE, + /** + * Represents using one node a variable number of times + */ + GROUP, + /** + * Represents multiplying two nodes + */ + MULTIPLY, + /** + * Represents subtracting two nodes + */ + SUBTRACT; + + /** + * Create a operator node from a string + * + * @param s + * The string to convert to a node + * @return The operator corresponding to the node + */ + public static OperatorDiceNode fromString(String s) { + switch (s) { + case ":=": + return ASSIGN; + case "+": + return ADD; + case "-": + return SUBTRACT; + case "*": + return MULTIPLY; + case "/": + return DIVIDE; + case "d": + return GROUP; + case "c": + return COMPOUND; + default: + throw new IllegalArgumentException( + s + " is not a valid operator node"); + } + } + + /* + * (non-Javadoc) + * + * @see bjc.utils.dice.ast.IDiceASTNode#isOperator() + */ + @Override + public boolean isOperator() { + return true; + } +} |
