JavaScript: Open-source extractor.

javascript/extractor/src/com/semmle/js/ast/Identifier.java

@@ -0,0 +1,45 @@
+package com.semmle.js.ast;
+
+import com.semmle.ts.ast.INodeWithSymbol;
+import com.semmle.ts.ast.ITypeExpression;
+
+/**
+ * An identifier.
+ *
+ * Identifiers can either be variable declarations (like <code>x</code> in <code>var x;</code>),
+ * variable references (like <code>x</code> in <code>x = 42</code>), property names
+ * (like <code>f</code> in <code>e.f</code>), statement labels (like <code>l</code> in
+ * <code>l: while(true);</code>), or statement label references (like <code>l</code> in
+ * <code>break l;</code>).
+ */
+public class Identifier extends Expression implements IPattern, ITypeExpression, INodeWithSymbol {
+	private final String name;
+	private int symbol = -1;
+
+	public Identifier(SourceLocation loc, String name) {
+		super("Identifier", loc);
+		this.name = name;
+	}
+
+	@Override
+	public <Q, A> A accept(Visitor<Q, A> v, Q q) {
+		return v.visit(this, q);
+	}
+
+	/**
+	 * The name of this identifier.
+	 */
+	public String getName() {
+		return name;
+	}
+
+	@Override
+	public int getSymbol() {
+		return symbol;
+	}
+
+	@Override
+	public void setSymbol(int symbol) {
+		this.symbol = symbol;
+	}
+}