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authorShevek <[email protected]>2008-03-21 23:05:04 +0000
committerShevek <[email protected]>2008-03-21 23:05:04 +0000
commit5ff55648127c8a8e1b9829775045af986e37647c (patch)
treeb28209b1efe12824fbdcabd4ee9073e93ca30636 /src/java/org/anarres/cpp/FixedTokenSource.java
parentfca34200881fcaf7b84b4210f7a5f40c8925c4d1 (diff)
move stuff into trunk
Diffstat (limited to 'src/java/org/anarres/cpp/FixedTokenSource.java')
-rw-r--r--src/java/org/anarres/cpp/FixedTokenSource.java67
1 files changed, 67 insertions, 0 deletions
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();
+ }
+}