process Preprocessor define property

darcs-hash:20041123153032-2eb37-11da784cb023fd2462b46b322dc2cc5295f6158d.gz

diff --git a/src/java/org/ibex/tool/Compiler.java b/src/java/org/ibex/tool/Compiler.java
index 5b14672..8d10ce3 100644 (file)
--- a/src/java/org/ibex/tool/Compiler.java
+++ b/src/java/org/ibex/tool/Compiler.java
@@ -82,14 +82,26 @@ public class Compiler {
     private ClassLoader loader = ClassLoader.getSystemClassLoader();
     private Map loaded = new HashMap();
     private PrintWriter out = new PrintWriter(System.out);
-    private Preprocessor preprocessor = new Preprocessor(null, null, Collections.EMPTY_LIST);
+    private Preprocessor preprocessor;
 
     private Source[] sources;
 
     private File builddir = new File(".");
     private File sourcedir = new File(".");
 
-    public Compiler() { }
+    public Compiler() {
+        List defs = Collections.EMPTY_LIST;
+
+        String define = System.getProperty("org.ibex.tool.preprocessor.define");
+        if (define != null) {
+            defs = new ArrayList();
+            StringTokenizer st = new StringTokenizer(define.toUpperCase(), ",");
+            while (st.hasMoreTokens()) defs.add(st.nextToken().trim());
+        }
+
+        preprocessor = new Preprocessor(null, null, defs);
+    }
+
 
     public void setBuildDir(String dir) { builddir = new File(dir == null ? "." : dir); }
     public void setSourceDir(String dir) { sourcedir = new File(dir == null ? "." : dir); }