From 5ff55648127c8a8e1b9829775045af986e37647c Mon Sep 17 00:00:00 2001
From: Shevek <shevek@anarres.org>
Date: Fri, 21 Mar 2008 23:05:04 +0000
Subject: move stuff into trunk

---
 src/java/org/anarres/cpp/FixedTokenSource.java | 67 ++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/java/org/anarres/cpp/FixedTokenSource.java

(limited to 'src/java/org/anarres/cpp/FixedTokenSource.java')

diff --git a/src/java/org/anarres/cpp/FixedTokenSource.java b/src/java/org/anarres/cpp/FixedTokenSource.java
new file mode 100644
index 0000000..d123f89
--- /dev/null
+++ b/src/java/org/anarres/cpp/FixedTokenSource.java
@@ -0,0 +1,67 @@
+/*
+ * Anarres C Preprocessor
+ * Copyright (C) 2007 Shevek
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+package org.anarres.cpp;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.PushbackReader;
+import java.io.Reader;
+import java.io.StringReader;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Iterator;
+
+/* pp */ class FixedTokenSource extends Source {
+	private static final Token	EOF =
+			new Token(Token.EOF, "<ts-eof>");
+
+	private List<Token>	tokens;
+	private int			idx;
+
+	/* pp */ FixedTokenSource(Token... tokens) {
+		this.tokens = Arrays.asList(tokens);
+		this.idx = 0;
+	}
+
+	/* pp */ FixedTokenSource(List<Token> tokens) {
+		this.tokens = tokens;
+		this.idx = 0;
+	}
+
+	public Token token()
+						throws IOException,
+								LexerException {
+		if (idx >= tokens.size())
+			return EOF;
+		return tokens.get(idx++);
+	}
+
+	public String toString() {
+		StringBuilder	buf = new StringBuilder();
+		buf.append("constant token stream " + tokens);
+		Source	parent = getParent();
+		if (parent != null)
+			buf.append(" in ").append(String.valueOf(parent));
+		return buf.toString();
+	}
+}
-- 
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