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Don't make tags for our dependencies and tests.

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Largely, this is just being more specific about where tags get searched
for to remove external dependencies like src/llvm, which reduces the
number of tags *enormously* and significantly increases the usefulness
of the tags file as it is then focusing on 240K lines of Rust code
and 4.5K of C++ rather than just shy of 1M lines of C++ code (mostly
from LLVM) and another 100K lines of Rust tests and a diverse collection
of other languages.

src/rustllvm/RustWrapper.cpp and src/rustllvm/PassWrapper.cpp are
getting tags made, but I'm not sure if that's desirable or not. At
worst, it's not a significant wrong.

A future, desirable step is producing tags for just libstd and libextra
for the use of people using Rust-the-language rather than working on
Rust itself.
This commit is contained in:
Chris Morgan 2013-11-16 13:44:52 +11:00
parent 90754ae9c9
commit 8e59c5d34a
1 changed files with 21 additions and 1 deletions
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22
mk/ctags.mk
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@ -15,7 +15,27 @@
.PHONY: TAGS.emacs TAGS.vi
CTAGS_OPTS=--options=${CFG_SRC_DIR}/src/etc/ctags.rust -R ${CFG_SRC_DIR}/src
# This is using a blacklist approach, probably more durable than a whitelist.
# We exclude: external dependencies (llvm, libuv, gyp, rt/{msvc,sundown,vg}),
# tests (compiletest, test) and a couple of other things (rt/arch, etc)
CTAGS_LOCATIONS=$(patsubst ${CFG_SRC_DIR}src/llvm,,\
$(patsubst ${CFG_SRC_DIR}src/libuv,,\
$(patsubst ${CFG_SRC_DIR}src/compiletest,,\
$(patsubst ${CFG_SRC_DIR}src/test,,\
$(patsubst ${CFG_SRC_DIR}src/gyp,,\
$(patsubst ${CFG_SRC_DIR}src/etc,,\
$(patsubst ${CFG_SRC_DIR}src/rt,,\
$(patsubst ${CFG_SRC_DIR}src/rt/arch,,\
$(patsubst ${CFG_SRC_DIR}src/rt/msvc,,\
$(patsubst ${CFG_SRC_DIR}src/rt/sundown,,\
$(patsubst ${CFG_SRC_DIR}src/rt/vg,,\
$(wildcard ${CFG_SRC_DIR}src/*) $(wildcard ${CFG_SRC_DIR}src/rt/*)\
)))))))))))
CTAGS_OPTS=--options="${CFG_SRC_DIR}src/etc/ctags.rust" --languages=-javascript --recurse ${CTAGS_LOCATIONS}
# We could use `--languages=Rust`, but there is value in producing tags for the
# C++ parts of the code base too (at the time of writing, those are .h and .cpp
# files in src/rt, src/rt/sync and src/rustllvm); we mainly just want to
# exclude the external dependencies.
TAGS.emacs:
ctags -e -f $@ ${CTAGS_OPTS}