Added examples for both the shunter and the tree builder

2 files changed, 73 insertions, 0 deletions

diff --git a/BJC-Utils2/src/examples/java/bjc/utils/examples/ShuntTester.java b/BJC-Utils2/src/examples/java/bjc/utils/examples/ShuntTester.java
new file mode 100644
index 0000000..b1d8487
--- /dev/null
+++ b/BJC-Utils2/src/examples/java/bjc/utils/examples/ShuntTester.java
@@ -0,0 +1,26 @@
+package bjc.utils.examples;
+
+import java.util.Scanner;
+
+import bjc.utils.funcdata.FunctionalList;
+import bjc.utils.funcdata.FunctionalStringTokenizer;
+import bjc.utils.parserutils.ShuntingYard;
+
+public class ShuntTester {
+	public static void main(String[] args) {
+		Scanner scn = new Scanner(System.in);
+
+		System.out.print("Enter a expression to shunt: ");
+		String ln = scn.nextLine();
+
+		ShuntingYard<String> yard = new ShuntingYard<>();
+
+		FunctionalList<String> ls = yard.postfix(
+				new FunctionalStringTokenizer(ln).toList((s) -> s),
+				(s) -> s);
+
+		System.out.println(ls.toString());
+
+		scn.close();
+	}
+}
diff --git a/BJC-Utils2/src/examples/java/bjc/utils/examples/TreeConstructTest.java b/BJC-Utils2/src/examples/java/bjc/utils/examples/TreeConstructTest.java
new file mode 100644
index 0000000..1c5c9b2
--- /dev/null
+++ b/BJC-Utils2/src/examples/java/bjc/utils/examples/TreeConstructTest.java
@@ -0,0 +1,47 @@
+package bjc.utils.examples;
+
+import java.util.Scanner;
+import java.util.function.Predicate;
+
+import bjc.utils.funcdata.FunctionalList;
+import bjc.utils.funcdata.FunctionalStringTokenizer;
+import bjc.utils.parserutils.AST;
+import bjc.utils.parserutils.ShuntingYard;
+import bjc.utils.parserutils.TreeConstructor;
+
+public class TreeConstructTest {
+	public static void main(String[] args) {
+		Scanner scn = new Scanner(System.in);
+
+		System.out.print("Enter a expression to parse: ");
+		String ln = scn.nextLine();
+
+		ShuntingYard<String> yard = new ShuntingYard<>();
+
+		FunctionalList<String> ls = yard.postfix(
+				new FunctionalStringTokenizer(ln).toList((s) -> s),
+				(s) -> s);
+
+		System.out.println("Shunted: " + ls.toString());
+
+		AST<String> ast = TreeConstructor.constructTree(ls,
+				new Predicate<String>() {
+					@Override
+					public boolean test(String tok) {
+						switch (tok) {
+							case "+":
+							case "-":
+							case "*":
+							case "/":
+								return true;
+							default:
+								return false;
+						}
+					}
+				});
+
+		System.out.println("AST: " + ast.toString());
+
+		scn.close();
+	}
+}