[gcc r12-4469] gcc-changelog: update error message location

[gcc r12-4469] gcc-changelog: update error message location

[Martin Liska]

https://gcc.gnu.org/g:85ce673378e7091ce603b033fac213a9d0d1f83a

commit r12-4469-g85ce673378e7091ce603b033fac213a9d0d1f83a
Author: Martin Liska <mliska@suse.cz>
Date:   Mon Oct 18 10:44:11 2021 +0200

    gcc-changelog: update error message location
    
    contrib/ChangeLog:
    
            * gcc-changelog/git_commit.py: Update location of
            'bad parentheses wrapping'.
            * gcc-changelog/test_email.py: Test it.

Diff:
---
 contrib/gcc-changelog/git_commit.py | 14 +++++++-------
 contrib/gcc-changelog/test_email.py |  1 +
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/contrib/gcc-changelog/git_commit.py b/contrib/gcc-changelog/git_commit.py
index f26dc3b4135..cf29f761964 100755
--- a/contrib/gcc-changelog/git_commit.py
+++ b/contrib/gcc-changelog/git_commit.py
@@ -217,7 +217,7 @@ class ChangeLogEntry:
         self.lines = []
         self.files = []
         self.file_patterns = []
-        self.opened_parentheses = 0
+        self.parentheses_stack = []
 
     def parse_file_names(self):
         # Whether the content currently processed is between a star prefix the
@@ -551,7 +551,7 @@ class GitCommit:
                     m = star_prefix_regex.match(line)
                     if m:
                         if (len(m.group('spaces')) != 1 and
-                                last_entry.opened_parentheses == 0):
+                                not last_entry.parentheses_stack):
                             msg = 'one space should follow asterisk'
                             self.errors.append(Error(msg, line))
                         else:
@@ -576,13 +576,13 @@ class GitCommit:
     def process_parentheses(self, last_entry, line):
         for c in line:
             if c == '(':
-                last_entry.opened_parentheses += 1
+                last_entry.parentheses_stack.append(line)
             elif c == ')':
-                if last_entry.opened_parentheses == 0:
+                if not last_entry.parentheses_stack:
                     msg = 'bad wrapping of parenthesis'
                     self.errors.append(Error(msg, line))
                 else:
-                    last_entry.opened_parentheses -= 1
+                    del last_entry.parentheses_stack[-1]
 
     def parse_file_names(self):
         for entry in self.changelog_entries:
@@ -608,9 +608,9 @@ class GitCommit:
 
     def check_for_broken_parentheses(self):
         for entry in self.changelog_entries:
-            if entry.opened_parentheses != 0:
+            if entry.parentheses_stack:
                 msg = 'bad parentheses wrapping'
-                self.errors.append(Error(msg, entry.lines[0]))
+                self.errors.append(Error(msg, entry.parentheses_stack[-1]))
 
     def get_file_changelog_location(self, changelog_file):
         for file in self.info.modified_files:
diff --git a/contrib/gcc-changelog/test_email.py b/contrib/gcc-changelog/test_email.py
index dae7c27c707..a4796dbbe94 100755
--- a/contrib/gcc-changelog/test_email.py
+++ b/contrib/gcc-changelog/test_email.py
@@ -415,6 +415,7 @@ class TestGccChangelog(unittest.TestCase):
     def test_multiline_bad_parentheses(self):
         email = self.from_patch_glob('0002-Wrong-macro-changelog.patch')
         assert email.errors[0].message == 'bad parentheses wrapping'
+        assert email.errors[0].line == '	* config/i386/i386.md (*fix_trunc<mode>_i387_1,'
 
     def test_changelog_removal(self):
         email = self.from_patch_glob('0001-ChangeLog-removal.patch')