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* [gentoo-commits] repo/gentoo:master commit in: dev-python/cffi/files/, dev-python/cffi/
@ 2020-05-28  8:20 Michał Górny
  0 siblings, 0 replies; 4+ messages in thread
From: Michał Górny @ 2020-05-28  8:20 UTC (permalink / raw
  To: gentoo-commits

commit:     4146461e033a5b02c0ff97b2238701f7731a92e8
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Thu May 28 08:06:04 2020 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Thu May 28 08:06:04 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4146461e

dev-python/cffi: Fix handling #line created by 'cpp -g'

Closes: https://bugs.gentoo.org/723476
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 .../{cffi-1.14.0.ebuild => cffi-1.14.0-r1.ebuild}  |   4 +
 dev-python/cffi/files/cffi-0.14.0-g-line.patch     | 144 +++++++++++++++++++++
 2 files changed, 148 insertions(+)

diff --git a/dev-python/cffi/cffi-1.14.0.ebuild b/dev-python/cffi/cffi-1.14.0-r1.ebuild
similarity index 96%
rename from dev-python/cffi/cffi-1.14.0.ebuild
rename to dev-python/cffi/cffi-1.14.0-r1.ebuild
index 6e8b5153b7d..98bd94e809c 100644
--- a/dev-python/cffi/cffi-1.14.0.ebuild
+++ b/dev-python/cffi/cffi-1.14.0-r1.ebuild
@@ -29,6 +29,10 @@ BDEPEND="${RDEPEND}
 
 distutils_enable_sphinx doc/source
 
+PATCHES=(
+	"${FILESDIR}"/cffi-0.14.0-g-line.patch
+)
+
 src_configure() {
 	tc-export PKG_CONFIG
 }

diff --git a/dev-python/cffi/files/cffi-0.14.0-g-line.patch b/dev-python/cffi/files/cffi-0.14.0-g-line.patch
new file mode 100644
index 00000000000..965f26db495
--- /dev/null
+++ b/dev-python/cffi/files/cffi-0.14.0-g-line.patch
@@ -0,0 +1,144 @@
+From 19ff1036043ae40ff3d8a2e1a6a793219e1ec378 Mon Sep 17 00:00:00 2001
+From: Armin Rigo <arigo@tunes.org>
+Date: Tue, 26 May 2020 15:51:56 +0200
+Subject: [PATCH] Issue #454
+
+Try harder to avoid #line directives confuse the rest of pre-parsing
+---
+ cffi/cparser.py               | 37 ++++++++++++++++++++++++---
+ testing/cffi0/test_parsing.py | 48 ++++++++++++++++++++++++++++++++++-
+ 2 files changed, 81 insertions(+), 4 deletions(-)
+
+diff --git a/cffi/cparser.py b/cffi/cparser.py
+index d7069a73..d9784655 100644
+--- a/cffi/cparser.py
++++ b/cffi/cparser.py
+@@ -29,6 +29,7 @@ _r_comment = re.compile(r"/\*.*?\*/|//([^\n\\]|\\.)*?$",
+ _r_define  = re.compile(r"^\s*#\s*define\s+([A-Za-z_][A-Za-z_0-9]*)"
+                         r"\b((?:[^\n\\]|\\.)*?)$",
+                         re.DOTALL | re.MULTILINE)
++_r_line_directive = re.compile(r"^[ \t]*#[ \t]*line\b.*$", re.MULTILINE)
+ _r_partial_enum = re.compile(r"=\s*\.\.\.\s*[,}]|\.\.\.\s*\}")
+ _r_enum_dotdotdot = re.compile(r"__dotdotdot\d+__$")
+ _r_partial_array = re.compile(r"\[\s*\.\.\.\s*\]")
+@@ -163,10 +164,37 @@ def _warn_for_non_extern_non_static_global_variable(decl):
+                       "with C it should have a storage class specifier "
+                       "(usually 'extern')" % (decl.name,))
+ 
++def _remove_line_directives(csource):
++    # _r_line_directive matches whole lines, without the final \n, if they
++    # start with '#line' with some spacing allowed.  This function stores
++    # them away and replaces them with exactly the string '#line@N', where
++    # N is the index in the list 'line_directives'.
++    line_directives = []
++    def replace(m):
++        i = len(line_directives)
++        line_directives.append(m.group())
++        return '#line@%d' % i
++    csource = _r_line_directive.sub(replace, csource)
++    return csource, line_directives
++
++def _put_back_line_directives(csource, line_directives):
++    def replace(m):
++        s = m.group()
++        if not s.startswith('#line@'):
++            raise AssertionError("unexpected #line directive "
++                                 "(should have been processed and removed")
++        return line_directives[int(s[6:])]
++    return _r_line_directive.sub(replace, csource)
++
+ def _preprocess(csource):
++    # First, remove the lines of the form '#line N "filename"' because
++    # the "filename" part could confuse the rest
++    csource, line_directives = _remove_line_directives(csource)
+     # Remove comments.  NOTE: this only work because the cdef() section
+-    # should not contain any string literal!
+-    csource = _r_comment.sub(' ', csource)
++    # should not contain any string literals (except in line directives)!
++    def replace_keeping_newlines(m):
++        return ' ' + m.group().count('\n') * '\n'
++    csource = _r_comment.sub(replace_keeping_newlines, csource)
+     # Remove the "#define FOO x" lines
+     macros = {}
+     for match in _r_define.finditer(csource):
+@@ -219,7 +247,10 @@ def _preprocess(csource):
+     csource = _r_float_dotdotdot.sub(' __dotdotdotfloat__ ', csource)
+     # Replace all remaining "..." with the same name, "__dotdotdot__",
+     # which is declared with a typedef for the purpose of C parsing.
+-    return csource.replace('...', ' __dotdotdot__ '), macros
++    csource = csource.replace('...', ' __dotdotdot__ ')
++    # Finally, put back the line directives
++    csource = _put_back_line_directives(csource, line_directives)
++    return csource, macros
+ 
+ def _common_type_names(csource):
+     # Look in the source for what looks like usages of types from the
+diff --git a/testing/cffi0/test_parsing.py b/testing/cffi0/test_parsing.py
+index 3fc3783a..5f2d7ec4 100644
+--- a/testing/cffi0/test_parsing.py
++++ b/testing/cffi0/test_parsing.py
+@@ -174,7 +174,7 @@ def test_remove_line_continuation_comments():
+         double // blah \\
+                   more comments
+         x(void);
+-        double // blah\\\\
++        double // blah // blah\\\\
+         y(void);
+         double // blah\\ \
+                   etc
+@@ -185,6 +185,52 @@ def test_remove_line_continuation_comments():
+     m.y
+     m.z
+ 
++def test_dont_remove_comment_in_line_directives():
++    ffi = FFI(backend=FakeBackend())
++    e = py.test.raises(CDefError, ffi.cdef, """
++        \t # \t line \t 8 \t "baz.c" \t
++
++        some syntax error here
++    """)
++    assert str(e.value) == "parse error\nbaz.c:9:14: before: syntax"
++    #
++    e = py.test.raises(CDefError, ffi.cdef, """
++        #line 7 "foo//bar.c"
++
++        some syntax error here
++    """)
++    assert str(e.value) == "parse error\nfoo//bar.c:8:14: before: syntax"
++
++def test_multiple_line_directives():
++    ffi = FFI(backend=FakeBackend())
++    e = py.test.raises(CDefError, ffi.cdef,
++    """ #line 5 "foo.c"
++        extern int xx;
++        #line 6 "bar.c"
++        extern int yy;
++        #line 7 "baz.c"
++        some syntax error here
++        #line 8 "yadda.c"
++        extern int zz;
++    """)
++    assert str(e.value) == "parse error\nbaz.c:7:14: before: syntax"
++
++def test_commented_line_directive():
++    ffi = FFI(backend=FakeBackend())
++    e = py.test.raises(CDefError, ffi.cdef, """
++        /*
++        #line 5 "foo.c"
++        */
++        void xx(void);
++
++        #line 6 "bar.c"
++        /*
++        #line 35 "foo.c"
++        */
++        some syntax error
++    """)
++    assert str(e.value) == "parse error\nbar.c:9:14: before: syntax"
++
+ def test_line_continuation_in_defines():
+     ffi = FFI(backend=FakeBackend())
+     ffi.cdef("""
+-- 
+2.26.2
+


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [gentoo-commits] repo/gentoo:master commit in: dev-python/cffi/files/, dev-python/cffi/
@ 2020-05-29  8:46 Michał Górny
  0 siblings, 0 replies; 4+ messages in thread
From: Michał Górny @ 2020-05-29  8:46 UTC (permalink / raw
  To: gentoo-commits

commit:     c847df4320352b36b0e164efcf67d0ef7b37b93b
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Fri May 29 08:45:57 2020 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Fri May 29 08:45:57 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c847df43

dev-python/cffi: Backport proper -g fix

Closes: https://bugs.gentoo.org/723476
Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 ...cffi-1.14.0-r1.ebuild => cffi-1.14.0-r2.ebuild} |   0
 dev-python/cffi/files/cffi-0.14.0-g-line.patch     | 106 +++++++++++++++++++++
 2 files changed, 106 insertions(+)

diff --git a/dev-python/cffi/cffi-1.14.0-r1.ebuild b/dev-python/cffi/cffi-1.14.0-r2.ebuild
similarity index 100%
rename from dev-python/cffi/cffi-1.14.0-r1.ebuild
rename to dev-python/cffi/cffi-1.14.0-r2.ebuild

diff --git a/dev-python/cffi/files/cffi-0.14.0-g-line.patch b/dev-python/cffi/files/cffi-0.14.0-g-line.patch
index 965f26db495..45a1099dce2 100644
--- a/dev-python/cffi/files/cffi-0.14.0-g-line.patch
+++ b/dev-python/cffi/files/cffi-0.14.0-g-line.patch
@@ -142,3 +142,109 @@ index 3fc3783a..5f2d7ec4 100644
 -- 
 2.26.2
 
+From 31249d786c833d4960bbbf4e0d7f7bcaecf92d1f Mon Sep 17 00:00:00 2001
+From: Armin Rigo <arigo@tunes.org>
+Date: Fri, 29 May 2020 10:27:40 +0200
+Subject: [PATCH] #454
+
+Second try with '# NUMBER' instead of '#line NUMBER', as gcc seems to output
+---
+ cffi/cparser.py               |  8 +++----
+ testing/cffi0/test_parsing.py | 41 +++++++++++++++++++++++++++++++++++
+ 2 files changed, 45 insertions(+), 4 deletions(-)
+
+diff --git a/cffi/cparser.py b/cffi/cparser.py
+index d9784655..74830e91 100644
+--- a/cffi/cparser.py
++++ b/cffi/cparser.py
+@@ -29,7 +29,7 @@ _r_comment = re.compile(r"/\*.*?\*/|//([^\n\\]|\\.)*?$",
+ _r_define  = re.compile(r"^\s*#\s*define\s+([A-Za-z_][A-Za-z_0-9]*)"
+                         r"\b((?:[^\n\\]|\\.)*?)$",
+                         re.DOTALL | re.MULTILINE)
+-_r_line_directive = re.compile(r"^[ \t]*#[ \t]*line\b.*$", re.MULTILINE)
++_r_line_directive = re.compile(r"^[ \t]*#[ \t]*(?:line|\d+)\b.*$", re.MULTILINE)
+ _r_partial_enum = re.compile(r"=\s*\.\.\.\s*[,}]|\.\.\.\s*\}")
+ _r_enum_dotdotdot = re.compile(r"__dotdotdot\d+__$")
+ _r_partial_array = re.compile(r"\[\s*\.\.\.\s*\]")
+@@ -166,9 +166,9 @@ def _warn_for_non_extern_non_static_global_variable(decl):
+ 
+ def _remove_line_directives(csource):
+     # _r_line_directive matches whole lines, without the final \n, if they
+-    # start with '#line' with some spacing allowed.  This function stores
+-    # them away and replaces them with exactly the string '#line@N', where
+-    # N is the index in the list 'line_directives'.
++    # start with '#line' with some spacing allowed, or '#NUMBER'.  This
++    # function stores them away and replaces them with exactly the string
++    # '#line@N', where N is the index in the list 'line_directives'.
+     line_directives = []
+     def replace(m):
+         i = len(line_directives)
+diff --git a/testing/cffi0/test_parsing.py b/testing/cffi0/test_parsing.py
+index 5f2d7ec4..a5e45874 100644
+--- a/testing/cffi0/test_parsing.py
++++ b/testing/cffi0/test_parsing.py
+@@ -199,6 +199,21 @@ def test_dont_remove_comment_in_line_directives():
+ 
+         some syntax error here
+     """)
++    #
++    assert str(e.value) == "parse error\nfoo//bar.c:8:14: before: syntax"
++    ffi = FFI(backend=FakeBackend())
++    e = py.test.raises(CDefError, ffi.cdef, """
++        \t # \t 8 \t "baz.c" \t
++
++        some syntax error here
++    """)
++    assert str(e.value) == "parse error\nbaz.c:9:14: before: syntax"
++    #
++    e = py.test.raises(CDefError, ffi.cdef, """
++        # 7 "foo//bar.c"
++
++        some syntax error here
++    """)
+     assert str(e.value) == "parse error\nfoo//bar.c:8:14: before: syntax"
+ 
+ def test_multiple_line_directives():
+@@ -214,6 +229,18 @@ def test_multiple_line_directives():
+         extern int zz;
+     """)
+     assert str(e.value) == "parse error\nbaz.c:7:14: before: syntax"
++    #
++    e = py.test.raises(CDefError, ffi.cdef,
++    """ # 5 "foo.c"
++        extern int xx;
++        # 6 "bar.c"
++        extern int yy;
++        # 7 "baz.c"
++        some syntax error here
++        # 8 "yadda.c"
++        extern int zz;
++    """)
++    assert str(e.value) == "parse error\nbaz.c:7:14: before: syntax"
+ 
+ def test_commented_line_directive():
+     ffi = FFI(backend=FakeBackend())
+@@ -229,6 +256,20 @@ def test_commented_line_directive():
+         */
+         some syntax error
+     """)
++    #
++    assert str(e.value) == "parse error\nbar.c:9:14: before: syntax"
++    e = py.test.raises(CDefError, ffi.cdef, """
++        /*
++        # 5 "foo.c"
++        */
++        void xx(void);
++
++        # 6 "bar.c"
++        /*
++        # 35 "foo.c"
++        */
++        some syntax error
++    """)
+     assert str(e.value) == "parse error\nbar.c:9:14: before: syntax"
+ 
+ def test_line_continuation_in_defines():
+-- 
+2.26.2
+


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [gentoo-commits] repo/gentoo:master commit in: dev-python/cffi/files/, dev-python/cffi/
@ 2020-11-28  7:27 Sam James
  0 siblings, 0 replies; 4+ messages in thread
From: Sam James @ 2020-11-28  7:27 UTC (permalink / raw
  To: gentoo-commits

commit:     130c6887fd5bddceb491335ab95c5fea690d2f64
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sat Nov 28 07:27:25 2020 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sat Nov 28 07:27:25 2020 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=130c6887

dev-python/cffi: don't call Homebrew on Darwin

Package-Manager: Portage-3.0.9, Repoman-3.0.2
Signed-off-by: Sam James <sam <AT> gentoo.org>

 dev-python/cffi/cffi-1.14.0-r3.ebuild                  |  1 +
 dev-python/cffi/files/cffi-1.14.0-darwin-no-brew.patch | 14 ++++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/dev-python/cffi/cffi-1.14.0-r3.ebuild b/dev-python/cffi/cffi-1.14.0-r3.ebuild
index 4a459635cd1..78f80a7e2b3 100644
--- a/dev-python/cffi/cffi-1.14.0-r3.ebuild
+++ b/dev-python/cffi/cffi-1.14.0-r3.ebuild
@@ -31,6 +31,7 @@ distutils_enable_sphinx doc/source
 
 PATCHES=(
 	"${FILESDIR}"/cffi-0.14.0-g-line.patch
+	"${FILESDIR}"/cffi-1.14.0-darwin-no-brew.patch
 )
 
 src_configure() {

diff --git a/dev-python/cffi/files/cffi-1.14.0-darwin-no-brew.patch b/dev-python/cffi/files/cffi-1.14.0-darwin-no-brew.patch
new file mode 100644
index 00000000000..c92b6112b85
--- /dev/null
+++ b/dev-python/cffi/files/cffi-1.14.0-darwin-no-brew.patch
@@ -0,0 +1,14 @@
+diff --git a/setup.py b/setup.py
+index e1dd39d..3e88f74 100644
+--- a/setup.py
++++ b/setup.py
+@@ -105,9 +105,6 @@ def uses_msvc():
+     return config.try_compile('#ifndef _MSC_VER\n#error "not MSVC"\n#endif')
+ 
+ def use_pkg_config():
+-    if sys.platform == 'darwin' and os.path.exists('/usr/local/bin/brew'):
+-        use_homebrew_for_libffi()
+-
+     _ask_pkg_config(include_dirs,       '--cflags-only-I', '-I', sysroot=True)
+     _ask_pkg_config(extra_compile_args, '--cflags-only-other')
+     _ask_pkg_config(library_dirs,       '--libs-only-L', '-L', sysroot=True)


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [gentoo-commits] repo/gentoo:master commit in: dev-python/cffi/files/, dev-python/cffi/
@ 2021-01-31 21:36 Michał Górny
  0 siblings, 0 replies; 4+ messages in thread
From: Michał Górny @ 2021-01-31 21:36 UTC (permalink / raw
  To: gentoo-commits

commit:     b7ad8360eb6423abd14f9677a884c58a5c4c5706
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Sun Jan 31 21:34:01 2021 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Sun Jan 31 21:36:48 2021 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=b7ad8360

dev-python/cffi: Remove old

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 dev-python/cffi/Manifest                       |   1 -
 dev-python/cffi/cffi-1.14.0-r3.ebuild          |  48 -----
 dev-python/cffi/files/cffi-0.14.0-g-line.patch | 250 -------------------------
 3 files changed, 299 deletions(-)

diff --git a/dev-python/cffi/Manifest b/dev-python/cffi/Manifest
index 64ab58ed51a..068a1f07b8b 100644
--- a/dev-python/cffi/Manifest
+++ b/dev-python/cffi/Manifest
@@ -1,2 +1 @@
-DIST cffi-1.14.0.tar.gz 463065 BLAKE2B 4d1e8a92241db801848ef8bd05ea15a31c7f61ea426ce4da184aff00df786348d2c76de9dc48898c814478aed9750b665868df24ad39435062cd7e1c84163e52 SHA512 4c5451eeede1d48a8f4b40e25b845ad1863b8bf3bd39624e6c693c2800d89a13efedc4c43b37e317a035613bffc2e3fd5f7e583c46cb283cb5cb930356f86253
 DIST cffi-1.14.4.tar.gz 471302 BLAKE2B 9722e517c99b6df239f59235baea76957900dc8566ff04c8d1fd367d20ad5f5437212bdb5e4e98aca303121e79411634fcb5e4e72179ecb3007d4f0eee68c9f2 SHA512 b2c54a805ead93c5dd8531d7f0f7e4b44be8f07bfcb1af2f19eb6d325b4e846cae23f16a5bcc777ba019d1213f013611614ade798e195f5b4f6b7904c9cb6e3a

diff --git a/dev-python/cffi/cffi-1.14.0-r3.ebuild b/dev-python/cffi/cffi-1.14.0-r3.ebuild
deleted file mode 100644
index fe9cf1decfa..00000000000
--- a/dev-python/cffi/cffi-1.14.0-r3.ebuild
+++ /dev/null
@@ -1,48 +0,0 @@
-# Copyright 1999-2021 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-EAPI=7
-
-# DO NOT ADD pypy to PYTHON_COMPAT
-# pypy bundles a modified version of cffi. Use python_gen_cond_dep instead.
-DISTUTILS_USE_SETUPTOOLS=rdepend
-PYTHON_COMPAT=( python3_{7,8,9} )
-
-inherit distutils-r1 toolchain-funcs
-
-DESCRIPTION="Foreign Function Interface for Python calling C code"
-HOMEPAGE="https://cffi.readthedocs.io/ https://pypi.org/project/cffi/"
-SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
-
-LICENSE="MIT"
-SLOT="0/${PV}"
-KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv s390 sparc x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-IUSE="test"
-RESTRICT="!test? ( test )"
-
-DEPEND="dev-libs/libffi:="
-RDEPEND="${DEPEND}
-	dev-python/pycparser[${PYTHON_USEDEP}]"
-BDEPEND="${RDEPEND}
-	virtual/pkgconfig
-	test? ( dev-python/pytest[${PYTHON_USEDEP}] )"
-
-distutils_enable_sphinx doc/source
-
-PATCHES=(
-	"${FILESDIR}"/cffi-0.14.0-g-line.patch
-	"${FILESDIR}"/cffi-1.14.0-darwin-no-brew.patch
-)
-
-src_configure() {
-	tc-export PKG_CONFIG
-}
-
-python_test() {
-	"${EPYTHON}" -c "import _cffi_backend as backend" || die
-	pytest -x -vv \
-		--ignore testing/test_zintegration.py \
-		--ignore testing/embedding \
-		c/ testing/ \
-		|| die "Testing failed with ${EPYTHON}"
-}

diff --git a/dev-python/cffi/files/cffi-0.14.0-g-line.patch b/dev-python/cffi/files/cffi-0.14.0-g-line.patch
deleted file mode 100644
index 45a1099dce2..00000000000
--- a/dev-python/cffi/files/cffi-0.14.0-g-line.patch
+++ /dev/null
@@ -1,250 +0,0 @@
-From 19ff1036043ae40ff3d8a2e1a6a793219e1ec378 Mon Sep 17 00:00:00 2001
-From: Armin Rigo <arigo@tunes.org>
-Date: Tue, 26 May 2020 15:51:56 +0200
-Subject: [PATCH] Issue #454
-
-Try harder to avoid #line directives confuse the rest of pre-parsing
----
- cffi/cparser.py               | 37 ++++++++++++++++++++++++---
- testing/cffi0/test_parsing.py | 48 ++++++++++++++++++++++++++++++++++-
- 2 files changed, 81 insertions(+), 4 deletions(-)
-
-diff --git a/cffi/cparser.py b/cffi/cparser.py
-index d7069a73..d9784655 100644
---- a/cffi/cparser.py
-+++ b/cffi/cparser.py
-@@ -29,6 +29,7 @@ _r_comment = re.compile(r"/\*.*?\*/|//([^\n\\]|\\.)*?$",
- _r_define  = re.compile(r"^\s*#\s*define\s+([A-Za-z_][A-Za-z_0-9]*)"
-                         r"\b((?:[^\n\\]|\\.)*?)$",
-                         re.DOTALL | re.MULTILINE)
-+_r_line_directive = re.compile(r"^[ \t]*#[ \t]*line\b.*$", re.MULTILINE)
- _r_partial_enum = re.compile(r"=\s*\.\.\.\s*[,}]|\.\.\.\s*\}")
- _r_enum_dotdotdot = re.compile(r"__dotdotdot\d+__$")
- _r_partial_array = re.compile(r"\[\s*\.\.\.\s*\]")
-@@ -163,10 +164,37 @@ def _warn_for_non_extern_non_static_global_variable(decl):
-                       "with C it should have a storage class specifier "
-                       "(usually 'extern')" % (decl.name,))
- 
-+def _remove_line_directives(csource):
-+    # _r_line_directive matches whole lines, without the final \n, if they
-+    # start with '#line' with some spacing allowed.  This function stores
-+    # them away and replaces them with exactly the string '#line@N', where
-+    # N is the index in the list 'line_directives'.
-+    line_directives = []
-+    def replace(m):
-+        i = len(line_directives)
-+        line_directives.append(m.group())
-+        return '#line@%d' % i
-+    csource = _r_line_directive.sub(replace, csource)
-+    return csource, line_directives
-+
-+def _put_back_line_directives(csource, line_directives):
-+    def replace(m):
-+        s = m.group()
-+        if not s.startswith('#line@'):
-+            raise AssertionError("unexpected #line directive "
-+                                 "(should have been processed and removed")
-+        return line_directives[int(s[6:])]
-+    return _r_line_directive.sub(replace, csource)
-+
- def _preprocess(csource):
-+    # First, remove the lines of the form '#line N "filename"' because
-+    # the "filename" part could confuse the rest
-+    csource, line_directives = _remove_line_directives(csource)
-     # Remove comments.  NOTE: this only work because the cdef() section
--    # should not contain any string literal!
--    csource = _r_comment.sub(' ', csource)
-+    # should not contain any string literals (except in line directives)!
-+    def replace_keeping_newlines(m):
-+        return ' ' + m.group().count('\n') * '\n'
-+    csource = _r_comment.sub(replace_keeping_newlines, csource)
-     # Remove the "#define FOO x" lines
-     macros = {}
-     for match in _r_define.finditer(csource):
-@@ -219,7 +247,10 @@ def _preprocess(csource):
-     csource = _r_float_dotdotdot.sub(' __dotdotdotfloat__ ', csource)
-     # Replace all remaining "..." with the same name, "__dotdotdot__",
-     # which is declared with a typedef for the purpose of C parsing.
--    return csource.replace('...', ' __dotdotdot__ '), macros
-+    csource = csource.replace('...', ' __dotdotdot__ ')
-+    # Finally, put back the line directives
-+    csource = _put_back_line_directives(csource, line_directives)
-+    return csource, macros
- 
- def _common_type_names(csource):
-     # Look in the source for what looks like usages of types from the
-diff --git a/testing/cffi0/test_parsing.py b/testing/cffi0/test_parsing.py
-index 3fc3783a..5f2d7ec4 100644
---- a/testing/cffi0/test_parsing.py
-+++ b/testing/cffi0/test_parsing.py
-@@ -174,7 +174,7 @@ def test_remove_line_continuation_comments():
-         double // blah \\
-                   more comments
-         x(void);
--        double // blah\\\\
-+        double // blah // blah\\\\
-         y(void);
-         double // blah\\ \
-                   etc
-@@ -185,6 +185,52 @@ def test_remove_line_continuation_comments():
-     m.y
-     m.z
- 
-+def test_dont_remove_comment_in_line_directives():
-+    ffi = FFI(backend=FakeBackend())
-+    e = py.test.raises(CDefError, ffi.cdef, """
-+        \t # \t line \t 8 \t "baz.c" \t
-+
-+        some syntax error here
-+    """)
-+    assert str(e.value) == "parse error\nbaz.c:9:14: before: syntax"
-+    #
-+    e = py.test.raises(CDefError, ffi.cdef, """
-+        #line 7 "foo//bar.c"
-+
-+        some syntax error here
-+    """)
-+    assert str(e.value) == "parse error\nfoo//bar.c:8:14: before: syntax"
-+
-+def test_multiple_line_directives():
-+    ffi = FFI(backend=FakeBackend())
-+    e = py.test.raises(CDefError, ffi.cdef,
-+    """ #line 5 "foo.c"
-+        extern int xx;
-+        #line 6 "bar.c"
-+        extern int yy;
-+        #line 7 "baz.c"
-+        some syntax error here
-+        #line 8 "yadda.c"
-+        extern int zz;
-+    """)
-+    assert str(e.value) == "parse error\nbaz.c:7:14: before: syntax"
-+
-+def test_commented_line_directive():
-+    ffi = FFI(backend=FakeBackend())
-+    e = py.test.raises(CDefError, ffi.cdef, """
-+        /*
-+        #line 5 "foo.c"
-+        */
-+        void xx(void);
-+
-+        #line 6 "bar.c"
-+        /*
-+        #line 35 "foo.c"
-+        */
-+        some syntax error
-+    """)
-+    assert str(e.value) == "parse error\nbar.c:9:14: before: syntax"
-+
- def test_line_continuation_in_defines():
-     ffi = FFI(backend=FakeBackend())
-     ffi.cdef("""
--- 
-2.26.2
-
-From 31249d786c833d4960bbbf4e0d7f7bcaecf92d1f Mon Sep 17 00:00:00 2001
-From: Armin Rigo <arigo@tunes.org>
-Date: Fri, 29 May 2020 10:27:40 +0200
-Subject: [PATCH] #454
-
-Second try with '# NUMBER' instead of '#line NUMBER', as gcc seems to output
----
- cffi/cparser.py               |  8 +++----
- testing/cffi0/test_parsing.py | 41 +++++++++++++++++++++++++++++++++++
- 2 files changed, 45 insertions(+), 4 deletions(-)
-
-diff --git a/cffi/cparser.py b/cffi/cparser.py
-index d9784655..74830e91 100644
---- a/cffi/cparser.py
-+++ b/cffi/cparser.py
-@@ -29,7 +29,7 @@ _r_comment = re.compile(r"/\*.*?\*/|//([^\n\\]|\\.)*?$",
- _r_define  = re.compile(r"^\s*#\s*define\s+([A-Za-z_][A-Za-z_0-9]*)"
-                         r"\b((?:[^\n\\]|\\.)*?)$",
-                         re.DOTALL | re.MULTILINE)
--_r_line_directive = re.compile(r"^[ \t]*#[ \t]*line\b.*$", re.MULTILINE)
-+_r_line_directive = re.compile(r"^[ \t]*#[ \t]*(?:line|\d+)\b.*$", re.MULTILINE)
- _r_partial_enum = re.compile(r"=\s*\.\.\.\s*[,}]|\.\.\.\s*\}")
- _r_enum_dotdotdot = re.compile(r"__dotdotdot\d+__$")
- _r_partial_array = re.compile(r"\[\s*\.\.\.\s*\]")
-@@ -166,9 +166,9 @@ def _warn_for_non_extern_non_static_global_variable(decl):
- 
- def _remove_line_directives(csource):
-     # _r_line_directive matches whole lines, without the final \n, if they
--    # start with '#line' with some spacing allowed.  This function stores
--    # them away and replaces them with exactly the string '#line@N', where
--    # N is the index in the list 'line_directives'.
-+    # start with '#line' with some spacing allowed, or '#NUMBER'.  This
-+    # function stores them away and replaces them with exactly the string
-+    # '#line@N', where N is the index in the list 'line_directives'.
-     line_directives = []
-     def replace(m):
-         i = len(line_directives)
-diff --git a/testing/cffi0/test_parsing.py b/testing/cffi0/test_parsing.py
-index 5f2d7ec4..a5e45874 100644
---- a/testing/cffi0/test_parsing.py
-+++ b/testing/cffi0/test_parsing.py
-@@ -199,6 +199,21 @@ def test_dont_remove_comment_in_line_directives():
- 
-         some syntax error here
-     """)
-+    #
-+    assert str(e.value) == "parse error\nfoo//bar.c:8:14: before: syntax"
-+    ffi = FFI(backend=FakeBackend())
-+    e = py.test.raises(CDefError, ffi.cdef, """
-+        \t # \t 8 \t "baz.c" \t
-+
-+        some syntax error here
-+    """)
-+    assert str(e.value) == "parse error\nbaz.c:9:14: before: syntax"
-+    #
-+    e = py.test.raises(CDefError, ffi.cdef, """
-+        # 7 "foo//bar.c"
-+
-+        some syntax error here
-+    """)
-     assert str(e.value) == "parse error\nfoo//bar.c:8:14: before: syntax"
- 
- def test_multiple_line_directives():
-@@ -214,6 +229,18 @@ def test_multiple_line_directives():
-         extern int zz;
-     """)
-     assert str(e.value) == "parse error\nbaz.c:7:14: before: syntax"
-+    #
-+    e = py.test.raises(CDefError, ffi.cdef,
-+    """ # 5 "foo.c"
-+        extern int xx;
-+        # 6 "bar.c"
-+        extern int yy;
-+        # 7 "baz.c"
-+        some syntax error here
-+        # 8 "yadda.c"
-+        extern int zz;
-+    """)
-+    assert str(e.value) == "parse error\nbaz.c:7:14: before: syntax"
- 
- def test_commented_line_directive():
-     ffi = FFI(backend=FakeBackend())
-@@ -229,6 +256,20 @@ def test_commented_line_directive():
-         */
-         some syntax error
-     """)
-+    #
-+    assert str(e.value) == "parse error\nbar.c:9:14: before: syntax"
-+    e = py.test.raises(CDefError, ffi.cdef, """
-+        /*
-+        # 5 "foo.c"
-+        */
-+        void xx(void);
-+
-+        # 6 "bar.c"
-+        /*
-+        # 35 "foo.c"
-+        */
-+        some syntax error
-+    """)
-     assert str(e.value) == "parse error\nbar.c:9:14: before: syntax"
- 
- def test_line_continuation_in_defines():
--- 
-2.26.2
-


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