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Merge pull request #2161 from guill/compile_database_perf

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Improve perf for compile dbs in large projects
This commit is contained in:
w0rp
2019-01-08 09:29:07 +00:00
committed by GitHub
parent 0fcd5e79a9 cb0a5c7a36
commit 1d7acad891
3 changed files with 83 additions and 17 deletions
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29
test/compile_database_perf/test.sh Executable file
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@@ -0,0 +1,29 @@
#!/bin/bash
# Generate source files for ALE to read. They don't have to be very long, the delay is in reading compile_commands, not actually running tests
mkdir -p gen_src
for i in {1..400}; do echo "const char *GeneratedFunc${i}() { return \"Word ${i}\"; }" > gen_src/source${i}.cpp; done
# Create the compile_commands database
echo "[ {" > compile_commands.json
for i in {1..399}; do
{
echo "\"command\": \"clang++ -c $(pwd)/gen_src/source${i}.cpp -o $(pwd)/build/obj/Debug/source${i}.o -MF $(pwd)/build/obj/Debug/source${i}.d -MMD -MP\","
echo "\"directory\": \"$(pwd)/build\","
echo "\"file\": \"$(pwd)/gen_src/source${i}.cpp\""
echo "}, {"
} >> compile_commands.json
done
{
echo "\"command\": \"clang++ -c $(pwd)/gen_src/source400.cpp -o $(pwd)/build/obj/Debug/source400.o -MF $(pwd)/build/obj/Debug/source400.d -MMD -MP\","
echo "\"directory\": \"$(pwd)/build\","
echo "\"file\": \"$(pwd)/gen_src/source400.cpp\""
echo "} ]"
} >> compile_commands.json
# Start up vim and switch back and forth between files -- at least one of the files must be near the bottom of compile_commands.json
time vim -c "for i in range(0,20) | edit gen_src/source10.cpp | edit gen_src/source400.cpp | endfor" \
-c "noautocmd qa!" \
`find . | grep "source..\.cpp"`

21
test/test_c_flag_parsing.vader
View File

@@ -161,14 +161,14 @@ Execute(FlagsFromCompileCommands should tolerate empty values):
AssertEqual '', ale#c#FlagsFromCompileCommands(bufnr(''), '')
Execute(ParseCompileCommandsFlags should tolerate empty values):
AssertEqual '', ale#c#ParseCompileCommandsFlags(bufnr(''), '', [])
AssertEqual '', ale#c#ParseCompileCommandsFlags(bufnr(''), '', {}, {})
Execute(ParseCompileCommandsFlags should parse some basic flags):
noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'))
AssertEqual
\ '-I' . ale#path#Simplify('/usr/include/xmms2'),
\ ale#c#ParseCompileCommandsFlags(bufnr(''), ale#path#Simplify('/foo/bar/xmms2-mpris'), [
\ ale#c#ParseCompileCommandsFlags(bufnr(''), ale#path#Simplify('/foo/bar/xmms2-mpris'), { "xmms2-mpris.c": [
\ {
\ 'directory': ale#path#Simplify('/foo/bar/xmms2-mpris'),
\ 'command': '/usr/bin/cc -I' . ale#path#Simplify('/usr/include/xmms2')
@@ -176,7 +176,22 @@ Execute(ParseCompileCommandsFlags should parse some basic flags):
\ . ' -c ' . ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'),
\ 'file': ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'),
\ },
\ ])
\ ] }, {})
Execute(ParseCompileCommandsFlags should fall back to files in the same directory):
noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'))
AssertEqual
\ '-I' . ale#path#Simplify('/usr/include/xmms2'),
\ ale#c#ParseCompileCommandsFlags(bufnr(''), ale#path#Simplify('/foo/bar/xmms2-mpris'), {}, { "src": [
\ {
\ 'directory': ale#path#Simplify('/foo/bar/xmms2-mpris'),
\ 'command': '/usr/bin/cc -I' . ale#path#Simplify('/usr/include/xmms2')
\ . ' -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
\ . ' -c ' . ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'),
\ 'file': ale#path#Simplify((has('win32') ? 'C:' : '') . '/foo/bar/xmms2-mpris/src/xmms2-other.c'),
\ },
\ ] })
Execute(ParseCFlags should not merge flags):
AssertEqual