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Added pgindent/README file.

This commit is contained in:
Bruce Momjian 1997-09-13 11:55:12 +00:00
parent b3b0f20412
commit d88ff48045
2 changed files with 30 additions and 28 deletions
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29
src/tools/pgindent.dir/README Normal file
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@ -0,0 +1,29 @@
This can format all PostgreSQL *.c and *.h files, excluding libpq++,
*.y, and *.l files.
On 09/06/1997, from the top directory, I ran:
find . -name '*.[ch]' -type f -print | grep -v '++' | xargs -n100 pgindent
The stock BSD indent has two bugs. First, a comment after the word 'else'
causes the rest of the file to be ignored. Second, it silently ignores
typedefs after getting the first 100.
Both problems are worked-around in this script. We also include a patch
for the second bug in:
/src/tools/pgindent/indent.bsd.patch
Even with the workaround, installation of the patch produces better
output.
GNU indent, version 1.9.1, has several bugs, and is not recommended.
These bugs become pretty major when you are doing >200k lines of code.
If you don't believe me, take a directory and make a copy. Run pgindent
on the copy using GNU indent, and do a diff -r. You will see what I
mean. GNU indent does some things better, but mangles too.
We get the list of typedef's included in pgindent by running:
/src/tools/find_typedef

29
src/tools/pgindent.dir/pgindent
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@ -1,26 +1,4 @@
#!/bin/sh
#
# This can format all PostgreSQL *.c and *.h files,
# excluding libpq++, *.y, and *.l files.
#
# On 09/06/1997, from the top directory, I ran:
#
# find . -name '*.[ch]' -type f -print | grep -v '++' | xargs -n100 pgindent
#
# The stock BSD indent has two bugs. First, a comment after the word 'else'
# causes the rest of the file to be ignored. Second, it silently ignores
# typedefs after getting the first 100.
#
# Both problems are worked-around in this script.
# We also include a patch for the second bug in:
# /src/tools/pgindent/indent.bsd.patch
# Even with the workaround, installation of the patch produces better output.
#
# GNU indent has many bugs, and it not recommended. See the description
# below.
#
# We get the list of typedef's from /src/tools/find_typedef
#
trap "rm -f /tmp/$$ /tmp/$$a" 0 1 2 3 15
entab </dev/null >/dev/null
@ -38,12 +16,7 @@ fi
indent -version -npro </dev/null >/dev/null 2>&1
if [ "$?" -eq 0 ]
then echo "You appear to have GNU indent rather than BSD indent." >&2
echo "Be warned, it has some small bugs, GNU indent version 1.9.1." >&2
echo "These bugs become pretty major when you are doing >200k lines of code." >&2
echo "If you don't believe me, take a directory and make a copy." >&2
echo "Run pgindent on the copy using GNU indent, and do a diff -r." >&2
echo "You will see what I mean."
echo "GNU indent does some things better, but mangles too." >&2
echo "See the pgindent/README file for a description of its problems." >&2
EXTRA_OPTS="-ncdb -bli0 -npcs -cli4"
else echo "Hope you installed /src/tools/pgindent/indent.bsd.patch." >&2
EXTRA_OPTS="-bbb -cli1"