JavaScript: Open-source extractor.

javascript/extractor/src/com/semmle/ts/ast/NonNullAssertion.java

@@ -0,0 +1,26 @@
+package com.semmle.ts.ast;
+
+import com.semmle.js.ast.Expression;
+import com.semmle.js.ast.SourceLocation;
+import com.semmle.js.ast.Visitor;
+
+/**
+ * A TypeScript expression of form <tt>E!</tt>, asserting that <tt>E</tt> is not null.
+ */
+public class NonNullAssertion extends Expression {
+	private final Expression expression;
+
+	public NonNullAssertion(SourceLocation loc, Expression expression) {
+		super("NonNullAssertion", loc);
+		this.expression = expression;
+	}
+
+	public Expression getExpression() {
+		return expression;
+	}
+
+	@Override
+	public <C, R> R accept(Visitor<C, R> v, C c) {
+		return v.visit(this, c);
+	}
+}