Fix incorrect line number reporting in errors/warnings after parsing macro invocations with parameters given over more than one line.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@12214 626c5289-ae23-0410-ae9c-e8d60b6d4f22

1 files changed, 7 insertions, 0 deletions

diff --git a/Source/Preprocessor/cpp.c b/Source/Preprocessor/cpp.c
index bb56c21d2..23896fc50 100644
--- a/Source/Preprocessor/cpp.c
+++ b/Source/Preprocessor/cpp.c
@@ -1075,10 +1075,14 @@ static DOH *Preprocessor_replace(DOH *s) {
 	  /* See if the macro is defined in the preprocessor symbol table */
 	  DOH *args = 0;
 	  DOH *e;
+	  int macro_additional_lines = 0;
 	  /* See if the macro expects arguments */
 	  if (Getattr(m, kpp_args)) {
 	    /* Yep.  We need to go find the arguments and do a substitution */
+	    int line = Getline(s);
 	    args = find_args(s, 1, id);
+	    macro_additional_lines = Getline(s) - line;
+	    assert(macro_additional_lines >= 0);
 	    if (!Len(args)) {
 	      Delete(args);
 	      args = 0;
@@ -1090,6 +1094,9 @@ static DOH *Preprocessor_replace(DOH *s) {
 	  if (e) {
 	    Append(ns, e);
 	  }
+	  while (macro_additional_lines--) {
+	    Putc('\n', ns);
+	  }
 	  Delete(e);
 	  Delete(args);
 	} else {