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Add a function for computing the number of arguments for a function

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This commit is contained in:
w0rp
2017-06-06 22:27:20 +01:00
parent eeea72e167
commit e4d886d4a7
2 changed files with 56 additions and 0 deletions
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41
test/test_function_arg_count.vader Normal file
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@@ -0,0 +1,41 @@
Before:
function! Func0()
endfunction
function! Func1(x)
endfunction
function! Func2(x,y)
endfunction
function! Func3(x,y,z)
endfunction
function! Func3a(x,y,z,...)
endfunction
After:
delfunction Func0
delfunction Func1
delfunction Func2
delfunction Func3
delfunction Func3a
Execute(We should be able to compute the argument count for function names):
AssertEqual 0, ale#util#FunctionArgCount('Func0')
AssertEqual 1, ale#util#FunctionArgCount('Func1')
AssertEqual 2, ale#util#FunctionArgCount('Func2')
AssertEqual 3, ale#util#FunctionArgCount('Func3')
AssertEqual 3, ale#util#FunctionArgCount('Func3a')
Execute(We should be able to compute the argument count for Funcrefs):
AssertEqual 0, ale#util#FunctionArgCount(function('Func0'))
AssertEqual 1, ale#util#FunctionArgCount(function('Func1'))
AssertEqual 2, ale#util#FunctionArgCount(function('Func2'))
AssertEqual 3, ale#util#FunctionArgCount(function('Func3'))
AssertEqual 3, ale#util#FunctionArgCount(function('Func3a'))
Execute(We should be able to compute the argument count for lambdas):
if has('lambda')
AssertEqual 0, ale#util#FunctionArgCount({->1})
AssertEqual 1, ale#util#FunctionArgCount({x->1})
AssertEqual 2, ale#util#FunctionArgCount({x,y->1})
AssertEqual 3, ale#util#FunctionArgCount({x,y,z->1})
AssertEqual 3, ale#util#FunctionArgCount({x,y,z,...->1})
endif