[gobject-introspection] Include proper filename and lineno in doc warning

[Johan Dahlin <johan src gnome org>]

commit 2f6638b2c15aee49b08784f13bd5f945466f97a7
Author: Johan Dahlin <johan gnome org>
Date:   Sun Sep 19 12:14:26 2010 -0300

    Include proper filename and lineno in doc warning

 giscanner/maintransformer.py   |    4 +++-
 tests/warn/unknown-parameter.h |    6 +++---
 2 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/giscanner/maintransformer.py b/giscanner/maintransformer.py
index 242cb46..2bf2102 100644
--- a/giscanner/maintransformer.py
+++ b/giscanner/maintransformer.py
@@ -611,9 +611,11 @@ usage is void (*_gtk_reserved1)(void);"""
                 text = ', should be one of %s' % (
                 ', '.join(repr(p) for p in allparams), )
 
+            tag = block.get(doc_name)
             message.warn(
                 '%s: unknown parameter %r in documentation comment%s' % (
-                block.name, doc_name, text))
+                block.name, doc_name, text),
+                [(block.filename, tag.lineno, -1)])
 
     def _apply_annotations_callable(self, node, chain, block):
         self._apply_annotations_annotated(node, block)
diff --git a/tests/warn/unknown-parameter.h b/tests/warn/unknown-parameter.h
index d1fc776..8d68dbb 100644
--- a/tests/warn/unknown-parameter.h
+++ b/tests/warn/unknown-parameter.h
@@ -7,7 +7,7 @@
  */
 void test_param_mismatch(int *out);
 
-// EXPECT:: Warning: Test: test_param_mismatch: unknown parameter 'wrong_name' in documentation comment, should be 'out'
+// EXPECT:5: Warning: Test: test_param_mismatch: unknown parameter 'wrong_name' in documentation comment, should be 'out'
 
 /**
  * test_param_mismatch2:
@@ -16,7 +16,7 @@ void test_param_mismatch(int *out);
  */
 void test_param_mismatch2(int a, int *out2);
 
-// EXPECT:: Warning: Test: test_param_mismatch2: unknown parameter 'wrong_name2' in documentation comment, should be one of 'a', 'out2'
+// EXPECT:14: Warning: Test: test_param_mismatch2: unknown parameter 'wrong_name2' in documentation comment, should be one of 'a', 'out2'
 
 /**
  * test_param_missing:
@@ -25,7 +25,7 @@ void test_param_mismatch2(int a, int *out2);
  */
 void test_param_missing(void);
 
-// EXPECT:: Warning: Test: test_param_missing: unknown parameter 'missing' in documentation comment
+// EXPECT:23: Warning: Test: test_param_missing: unknown parameter 'missing' in documentation comment
 
 
 /**