From 96e12c8a274ea3e08648116f3fb052e3de005560 Mon Sep 17 00:00:00 2001
From: Matthew Sotoudeh <matthewsot@outlook.com>
Date: Mon, 13 Apr 2020 08:40:01 -0700
Subject: Initial code release

---
 patches/latexrun-pull-21 | 76 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 patches/latexrun-pull-21

(limited to 'patches/latexrun-pull-21')

diff --git a/patches/latexrun-pull-21 b/patches/latexrun-pull-21
new file mode 100644
index 0000000..0b9c5b7
--- /dev/null
+++ b/patches/latexrun-pull-21
@@ -0,0 +1,76 @@
+--- latexrun
++++ latexrun
+@@ -85,7 +85,7 @@ def main():
+         action=ArgParserWarnAction, dest='nowarns', default=set(['underfull']),
+         help='Enable/disable warning from CLASS, which can be any package name, '
+         'LaTeX warning class (e.g., font), bad box type '
+-        '(underfull, overfull, loose, tight), or "all"')
++        '(underfull, overfull, loose, tight), strict parsing (strict-parse),  or "all"')
+     arg_parser.add_argument(
+         '-O', metavar='DIR', dest='obj_dir', default='latex.out',
+         help='Directory for intermediate files and control database '
+@@ -236,6 +236,21 @@ def mkdir_p(path):
+             pass
+         else: raise
+ 
++def nested_parenthesis_end(string, opening, closing, lax_checking=False):
++    """Return index where closing character corresponds to opening character"""
++    stack = []
++    for i, c in enumerate(string):
++        if c in opening:
++            stack.append(c)
++        elif c in closing and stack:
++            start_ch = stack.pop()
++            if not lax_checking and opening.index(start_ch) != closing.index(c):
++                # Mismatch, e.g. expected ')', found '}'
++                return -1
++            if not stack:
++                return i
++    return -1
++
+ class DB:
+     """A latexrun control database."""
+ 
+@@ -1288,16 +1303,18 @@ class LaTeXFilter:
+                 self.__file_stack.pop()
+             else:
+                 self.__message('warning', None,
+-                               "extra `)' in log; file names may be wrong ")
++                               "extra `)' in log; file names may be wrong")
+         elif ch == '{':
+             # TeX uses this for various things we want to ignore, like
+             # file names and print_mark.  Consume up to the '}'
+-            epos = self.__data.find('}', self.__pos)
+-            if epos != -1:
+-                self.__pos = epos + 1
+-            else:
++            lax_checking = "strict-parse" in self.__suppress
++            epos = nested_parenthesis_end(self.__data[self.__pos-1:], '{[(', '}])',
++                                          lax_checking=lax_checking)
++            if epos == -1:
+                 self.__message('warning', None,
+                                "unbalanced `{' in log; file names may be wrong")
++            else:
++                self.__pos += epos
+         elif ch == '}':
+             self.__message('warning', None,
+                            "extra `}' in log; file names may be wrong")
+@@ -1439,14 +1456,15 @@ class LaTeXFilter:
+                 return
+         # Back up to the end of the known message text
+         self.__pos = origpos + m.end()
+-        if self.__lookingat('\n'):
++        if self.__lookingatre(r'\s*\n'):
+             # We have a newline, so consume it and look for the
+             # offending text.
+             self.__pos += 1
+             # If there is offending text, it will start with a font
+             # name, which will start with a \.
+-            if 'hbox' in msg and self.__lookingat('\\'):
+-                self.__consume_line(unwrap=True)
++            if 'hbox' in msg and self.__lookingatre(r'(\[\]\s?)*\s*\\'):
++                consumed = self.__consume_line(unwrap=True)
++                if self.TRACE: print('consuming `<{}>\''.format(consumed))
+         msg = self.__simplify_message(msg) + ' (page {})'.format(self.__pageno)
+         cls = msg.split(None, 1)[0].lower()
+         self.__message('warning', lineno, msg, cls=cls)
-- 
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