1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/com/jogamp/gluegen/jcpp/Argument.java b/src/main/java/com/jogamp/gluegen/jcpp/Argument.java
new file mode 100644
index 0000000..bccddcb
--- /dev/null
+++ b/src/main/java/com/jogamp/gluegen/jcpp/Argument.java
@@ -0,0 +1,75 @@
+/*
+ * Anarres C Preprocessor
+ * Copyright (c) 2007-2008, Shevek
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied.  See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+package com.jogamp.gluegen.jcpp;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import javax.annotation.Nonnull;
+
+/**
+ * A macro argument.
+ *
+ * This encapsulates a raw and preprocessed token stream.
+ */
+/* pp */ class Argument extends ArrayList<Token> {
+
+    private List<Token> expansion;
+
+    public Argument() {
+        this.expansion = null;
+    }
+
+    public void addToken(@Nonnull Token tok) {
+        add(tok);
+    }
+
+    /* pp */ void expand(@Nonnull Preprocessor p)
+            throws IOException,
+            LexerException {
+        /* Cache expansion. */
+        if (expansion == null) {
+            this.expansion = p.expand(this);
+            // System.out.println("Expanded arg " + this);
+        }
+    }
+
+    @Nonnull
+    public Iterator<Token> expansion() {
+        return expansion.iterator();
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder buf = new StringBuilder();
+        buf.append("Argument(");
+        // buf.append(super.toString());
+        buf.append("raw=[ ");
+        for (int i = 0; i < size(); i++)
+            buf.append(get(i).getText());
+        buf.append(" ];expansion=[ ");
+        if (expansion == null)
+            buf.append("null");
+        else
+            for (Token token : expansion)
+                buf.append(token.getText());
+        buf.append(" ])");
+        return buf.toString();
+    }
+
+}