From fe1771360b47a8b7202cf0ee296d89ad9b4adf37 Mon Sep 17 00:00:00 2001
From: adam <adam@megacz.com>
Date: Sun, 11 Jan 2009 00:17:12 -0500
Subject: [PATCH] add edu.berkeley.sbp.misc.TestAstGenerator

darcs-hash:20090111051712-5007d-4d8ff8077006c7c6b8b6ccc04f3541dd35fce9e5.gz
---
 Makefile                                        |    3 ++
 src/edu/berkeley/sbp/misc/TestAstGenerator.java |   34 +++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 src/edu/berkeley/sbp/misc/TestAstGenerator.java

diff --git a/Makefile b/Makefile
index 55c7365..c3642cf 100644
--- a/Makefile
+++ b/Makefile
@@ -21,6 +21,9 @@ demo: edu.berkeley.sbp.jar
 demo2: edu.berkeley.sbp.jar
 	$(java) -cp $< edu.berkeley.sbp.misc.Demo2
 
+ast: edu.berkeley.sbp.jar
+	$(java) -cp $< edu.berkeley.sbp.misc.TestAstGenerator tests/math.g
+
 regress:
 	make boot
 	rm edu.berkeley.sbp.jar
diff --git a/src/edu/berkeley/sbp/misc/TestAstGenerator.java b/src/edu/berkeley/sbp/misc/TestAstGenerator.java
new file mode 100644
index 0000000..4ccbdc7
--- /dev/null
+++ b/src/edu/berkeley/sbp/misc/TestAstGenerator.java
@@ -0,0 +1,34 @@
+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
+
+package edu.berkeley.sbp.misc;
+
+import edu.berkeley.sbp.*;
+import edu.berkeley.sbp.chr.*;
+import edu.berkeley.sbp.misc.*;
+import edu.berkeley.sbp.meta.*;
+import edu.berkeley.sbp.util.*;
+import java.util.*;
+import java.io.*;
+
+public class TestAstGenerator {
+
+    public static GrammarAST.ImportResolver resolver = new GrammarAST.ImportResolver() {
+            public InputStream getImportStream(String importname) {
+                try {
+                    return new FileInputStream("tests/"+importname);
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        };
+
+    public static void main(String[] s) throws Exception {
+
+        Parser metaGrammarParser   = new CharParser(GrammarAST.getMetaGrammar());
+        Tree<String> parsedGrammar = metaGrammarParser.parse(new CharInput(new FileInputStream(s[0]))).expand1();
+        PrintWriter pw = new PrintWriter(System.out);
+        GrammarAST.emitCode(pw, parsedGrammar, "Expr", resolver);
+        pw.flush();
+    }
+
+}
-- 
1.7.10.4