From e024d6cab3b07ac2033630aac54e94d6494d8c5e Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Sun, 7 Nov 2010 23:44:00 +0100
Subject: Fix PCPP 'define' case; Keep PCPP output file if 'debug' ; GlueGen
 uses PCPP in same thread via File.

Fix PCPP 'define' case
------------------------
A recursive define like:
    #define LALA ((int)1)
    #define LILI LALA
was streamed out of PCPP, even though such 'macro defines' like
    #define LILI ((int)1)
are disabled due to the parsers inability to digg those.

Added test on macro definition for replaced values.

GlueGen uses PCPP in same thread via File
------------------------------------------
To ease debugging we call PCPP from the same thread
and use normal temp files as i/o.

Keep PCPP output file if 'debug'
---------------------------------
Keep temp outfile if debug is enabled
---
 src/java/com/jogamp/gluegen/GlueGen.java | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

(limited to 'src/java/com/jogamp/gluegen/GlueGen.java')

diff --git a/src/java/com/jogamp/gluegen/GlueGen.java b/src/java/com/jogamp/gluegen/GlueGen.java
index 719d54c..f24d0b2 100644
--- a/src/java/com/jogamp/gluegen/GlueGen.java
+++ b/src/java/com/jogamp/gluegen/GlueGen.java
@@ -107,23 +107,24 @@ public class GlueGen implements GlueEmitterControls {
             final PipedInputStream ppIn = new PipedInputStream();
             final PipedOutputStream ppOut = new PipedOutputStream(ppIn);
 
+            File out = File.createTempFile("PCPPTemp", ".pcpp");
+            FileOutputStream outStream = new FileOutputStream(out);
+
+            if(debug) {
+                System.err.println("PCPP output at (persistent): " + out.getAbsolutePath());
+            } else {
+                out.deleteOnExit();
+            }
+
             preprocessor = new PCPP(includePaths, debug, copyPCPPOutput2Stderr);
-            preprocessor.setOut(ppOut);
+            preprocessor.setOut(outStream);
 
-            new Thread("PCPP") {
+            preprocessor.run(reader, filename);
+            outStream.flush();
 
-                @Override
-                public void run() {
-                    try {
-                        preprocessor.run(reader, filename);
-                        ppOut.close();
-                    } catch (IOException e) {
-                        throw new RuntimeException(e);
-                    }
-                }
-            }.start();
+            FileInputStream inStream = new FileInputStream(out);
+            DataInputStream dis = new DataInputStream(inStream);
 
-            DataInputStream dis = new DataInputStream(ppIn);
             GnuCLexer lexer = new GnuCLexer(dis);
             lexer.setTokenObjectClass(CToken.class.getName());
             lexer.initialize();
-- 
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