1 files changed, 69 insertions, 0 deletions
diff --git a/src/java/org/anarres/cpp/State.java b/src/java/org/anarres/cpp/State.java
new file mode 100644
index 0000000..441e71e
--- /dev/null
+++ b/src/java/org/anarres/cpp/State.java
@@ -0,0 +1,69 @@
+/*
+ * 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;
+
+/* pp */ class State {
+	boolean	parent;
+	boolean	active;
+	boolean	sawElse;
+
+	/* pp */ State() {
+		this.parent = true;
+		this.active = true;
+		this.sawElse = false;
+	}
+
+	/* pp */ State(State parent) {
+		this.parent = parent.isParentActive() && parent.isActive();
+		this.active = true;
+		this.sawElse = false;
+	}
+
+	/* Required for #elif */
+	/* pp */ void setParentActive(boolean b) {
+		this.parent = b;
+	}
+
+	/* pp */ boolean isParentActive() {
+		return parent;
+	}
+
+	/* pp */ void setActive(boolean b) {
+		this.active = b;
+	}
+
+	/* pp */ boolean isActive() {
+		return active;
+	}
+
+	/* pp */ void setSawElse() {
+		sawElse = true;
+	}
+
+	/* pp */ boolean sawElse() {
+		return sawElse;
+	}
+
+	public String toString() {
+		return "parent=" + parent +
+			", active=" + active +
+			", sawelse=" + sawElse;
+	}
+}