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examples: add empty lines

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Currently the examples are too dense, let's put empty lines where
'#line' would be issued.  And also remove some spurious empty
lines (remains from @group, @end group, etc.).

* examples/extexi: Do that.
* examples/local.mk (extexiFLAGS): Rename as...
(EXTEXIFLAGS): this.
This commit is contained in:
Akim Demaille
2018-08-19 17:34:27 +02:00
parent b610f43f25
commit 32e0fd1a99
2 changed files with 4 additions and 3 deletions
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3
examples/extexi
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@@ -45,7 +45,7 @@ sub normalize($)
{ {
local ($_) = @_; local ($_) = @_;
s/^\@(c |comment|dots|end (ignore|group)|ignore|group).*//mg; s/^\@(c |comment|dots|end (ignore|group)|ignore|group).*\n//mg;
s/\@value\{VERSION\}/$ENV{VERSION}/g; s/\@value\{VERSION\}/$ENV{VERSION}/g;
s/^\@(error|result)\{\}//mg; s/^\@(error|result)\{\}//mg;
s/\@([{}@])/$1/g; s/\@([{}@])/$1/g;
@@ -103,6 +103,7 @@ sub process ($)
{ {
if (/^\@(small)?example$/) if (/^\@(small)?example$/)
{ {
$input .= "\n" unless defined $input;
# Bison supports synclines, but not Flex. # Bison supports synclines, but not Flex.
$input .= sprintf ("#line %s \"$in\"\n", $. + 1) $input .= sprintf ("#line %s \"$in\"\n", $. + 1)
if $synclines && $file =~ /\.[chy]*$/; if $synclines && $file =~ /\.[chy]*$/;

4
examples/local.mk
View File

@@ -26,9 +26,9 @@ AM_CXXFLAGS = \
doc = $(top_srcdir)/doc/bison.texi doc = $(top_srcdir)/doc/bison.texi
extexi = $(top_srcdir)/%D%/extexi extexi = $(top_srcdir)/%D%/extexi
if ENABLE_GCC_WARNINGS if ENABLE_GCC_WARNINGS
extexiFLAGS = --synclines EXTEXIFLAGS = --synclines
endif endif
extract = VERSION="$(VERSION)" $(PERL) $(extexi) $(extexiFLAGS) $(doc) -- extract = VERSION="$(VERSION)" $(PERL) $(extexi) $(EXTEXIFLAGS) $(doc) --
extracted = extracted =
CLEANFILES += $(extracted) %D%/extracted.stamp CLEANFILES += $(extracted) %D%/extracted.stamp
%D%/extracted.stamp: $(doc) $(extexi) %D%/extracted.stamp: $(doc) $(extexi)