1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/bjc/rgens/parser/RGrammarLogging.java b/src/main/java/bjc/rgens/parser/RGrammarLogging.java
new file mode 100644
index 0000000..4dba117
--- /dev/null
+++ b/src/main/java/bjc/rgens/parser/RGrammarLogging.java
@@ -0,0 +1,50 @@
+package bjc.rgens.parser;
+
+/**
+ * Handle logging in a centralized way, so as to allow easier collation of the
+ * output.
+ *
+ * @author Ben Culkin
+ */
+public final class RGrammarLogging {
+	public static void log(String msg, Object... vars) {
+		System.err.printf(msg, vars);
+	}
+
+	public static void logline(String msg, Object... vars) {
+		log(msg + "\n", vars);
+	}
+
+	public static void error(Exception ex, String msg, Object... vars) {
+		logline("ERROR: " + msg, vars);
+
+		ex.printStackTrace();
+
+		logline("");
+		logline("");
+	}
+
+	public static void perf(String msg, Object... vars) {
+		logline("\tPERF: " + msg, vars);
+	}
+
+	public static void info(String msg, Object... vars) {
+		logline("INFO: " + msg, vars);
+	}
+
+	public static void trace(String msg, Object... vars) {
+		logline("\t\tTRACE: " + msg, vars);
+	}
+
+	public static void warn(String msg, Object... vars) {
+		logline("WARN: " + msg, vars);
+	}
+
+	public static void debug(String msg, Object... vars) {
+		logline("\tDEBUG: " + msg, vars);
+	}
+
+	public static void fine(String msg, Object... vars) {
+		logline("\t\tFINE: " + msg, vars);
+	}
+}