From ed9b5ebd17cf1a3cd1a6a4ae608f92823c859138 Mon Sep 17 00:00:00 2001
From: =?utf8?q?G=C3=B6tz=20Lindenmaier?= <goetz@ipd.info.uni-karlsruhe.de>
Date: Tue, 5 Nov 2002 16:47:42 +0000
Subject: [PATCH] Programs to test the jni for firm

[r513]
---
 firmjni/testprograms/Empty.java  | 94 ++++++++++++++++++++++++++++++++
 firmjni/testprograms/Makefile.in | 31 +++++++++++
 2 files changed, 125 insertions(+)
 create mode 100644 firmjni/testprograms/Empty.java
 create mode 100644 firmjni/testprograms/Makefile.in

diff --git a/firmjni/testprograms/Empty.java b/firmjni/testprograms/Empty.java
new file mode 100644
index 000000000..d3e481cbb
--- /dev/null
+++ b/firmjni/testprograms/Empty.java
@@ -0,0 +1,94 @@
+import firmjni.*;
+
+/* Copyright (C) 2002 by Universitaet Karlsruhe
+** All rights reserved.
+**
+** Author: Goetz Lindenmaier
+**
+** This is an example of how to use the JNI interface of Firm.
+**
+*/
+
+/**
+***  An empty Firm program.
+***
+***  This file constructs the ir for the following pseudo-program:
+***
+***  main() {
+***    return;
+***  }
+***
+***
+**/
+class Empty {
+    public static void main (String[] args) {
+	Firm firm = new Firm();
+
+	System.out.println("\nCreating an IR graph: EMPTY...");
+
+	/* init library */
+	Firm.initFirm();
+
+	/** Build type information for the procedure. **/
+
+	/* FIRM was designed for oo languages where all methods beint to a class.
+	 * For imperative languages like C we view a file as a large class containing
+	 * all functions in this file as methods.
+	 * This clas is generated automatically.
+	 */
+	int owner = Irprog.getGlobType();
+
+	/* The type of the method */
+	int name = Ident.idFromStr("main", 4);
+	int proc_main = Type.newTypeMethod(name, 0, 0);
+	/* An entity representing the method.  Owner of the entity is the global class
+	   type mentioned above. */
+	int ent = Entity.newEntity (owner, name, proc_main);
+
+	/** Build code for the procedure. **/
+
+	/* Generates the basic graph for the method represented by entity ent, that
+	 * is, generates start and end blocks and nodes and a first, initial block.
+	 * The constructor needs to know the number of local variables (including
+	 * the arguments) in the method.
+	 */
+	int irg = Irgraph.newIrGraph (ent, 0);
+
+	/* The constructor new_ir_graph() generated a region to place nodes in.
+	 * This region is accessible via the attribut current_block of irg and
+	 * it is not matured.
+	 * Generate the return node into this region. The Return node is needed to
+	 * return at least the memory. */
+	//ir_node *in[0]; /* this is the array containing the return parameters */
+	int []in  = new int[0];
+	int x = Ircons.newReturn (Ircons.getStore(), in.length, in);
+
+	/* Test enumerators */
+	if (Irnode.getIrnModecode(x) != Irmode.irm_X)
+	    System.out.println(" wrong modecode");
+	else
+	    System.out.println(" proper modecode Execution.");
+
+	/* Now we generated all instructions for this block and all its predecessor
+	 * blocks so we can mature it.  (There are not too much.) */
+	Ircons.matureBlock (Irgraph.getIrgCurrentBlock(irg));
+
+	/* This adds the in edge of the end block which originates at the return statement.
+	 * The return node passes controlflow to the end block.  */
+	Ircons.addInEdge (Irgraph.getIrgEndBlock(irg), x);
+	/* Now we can mature the end block as all it's predecessors are known. */
+	Ircons.matureBlock (Irgraph.getIrgEndBlock(irg));
+
+	/* Verify the graph.  Finds some very bad errors in the graph. */
+	//irg_vrfy(irg);
+	Ircons.finalizeCons (irg);
+
+	System.out.println("Done building the graph.  Dumping it.");
+	Irdump.dumpIrBlockGraph (irg);
+	Irdump.dumpAllTypes();
+
+
+	System.out.println("use xvcg to view this graph:");
+	System.out.println("/ben/goetz/bin/xvcg GRAPHNAME\n");
+    }
+}
diff --git a/firmjni/testprograms/Makefile.in b/firmjni/testprograms/Makefile.in
new file mode 100644
index 000000000..893cc77ae
--- /dev/null
+++ b/firmjni/testprograms/Makefile.in
@@ -0,0 +1,31 @@
+# Hey Emacs, this is a -*- makefile -*-
+#
+# libFIRM Project
+#
+# $Id$
+#
+
+top_srcdir := @top_srcdir@
+srcdir = @srcdir@
+topdir = ..
+subdir := testprograms
+
+
+SOURCES := Makefile.in \
+	Empty.java
+
+CLASSPATH += $srcdir
+LD_LIBRARY_PATH += $srcdir/firmjni
+
+
+%.class: %.java
+	javac -d $CLASSPATH $<
+
+
+
+
+
+all:	%.class
+
+run:	%.class
+	java $(<:.class=)
-- 
2.20.1