Fix #21: Allow including absolute files.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/main/java/org/anarres/cpp/Preprocessor.java b/src/main/java/org/anarres/cpp/Preprocessor.java
index 8b1ddcc..5dacc91 100644
--- a/src/main/java/org/anarres/cpp/Preprocessor.java
+++ b/src/main/java/org/anarres/cpp/Preprocessor.java
@@ -1150,6 +1150,16 @@ public class Preprocessor implements Closeable {
             @Nonnull String name, boolean quoted, boolean next)
             throws IOException,
             LexerException {
+        if (name.startsWith("/")) {
+            VirtualFile file = filesystem.getFile(name);
+            if (include(file))
+                return;
+            StringBuilder buf = new StringBuilder();
+            buf.append("File not found: ").append(name);
+            error(line, 0, buf.toString());
+            return;
+        }
+
         VirtualFile pdir = null;
         if (quoted) {
             if (parent != null) {