removed GNUC constructs

[libfirm] / tools / remove_cpp_comands.perl

diff --git a/tools/remove_cpp_comands.perl b/tools/remove_cpp_comands.perl
index 9f0703c..7597720 100644 (file)
--- a/tools/remove_cpp_comands.perl
+++ b/tools/remove_cpp_comands.perl
@@ -61,12 +61,33 @@ $guardedtypedef = 0;
 $scndlastline = "";
 $lastline = "";
 
+$eat = 0;
+$multiline = 0;
+
 foreach $line (@lines) {
 
-    if (($line =~ /^\#/)   ) {
+    if ($line =~ /\#ifdef __cplusplus/) {
+#       There is extern "C" in firm.h, guarded by #ifdef __cplusplus
+#       crecoder does not grok the extern "C", so remove thses three lines.
+       $eat = 2;
+    } elsif ($eat > 0) {
+       $eat = $eat -1;
+    } elsif ($multiline > 0) {
+        # this line connects a previous one, kill it
+        if ($line =~ /\\$/) {
+          $multiline = 1;
+        } else {
+          $multiline = 0;
+        }
+    } elsif ($line =~ /^\#/) {
        # eat the line
        $scndlastline = $lastline;
        $lastline = $line;
+        if ($line =~ /\\$/) {
+          $multiline = 1;
+        } else {
+          $multiline = 0;
+        }
     } elsif ($openbracket == 1) {
        print TDF "$line";
        if ((index($line, "}") > -1)) {
@@ -99,8 +120,6 @@ foreach $line (@lines) {
                $guardedtypedef = 0;
            }
        }
-    } elsif ($line =~ /extern "C"/) {
-       print OUT "/* extern C */ {";
     } else {
        print OUT "$line";
        $scndlastline = $lastline;