From: davef@tsoft-inc.com
On 4/17/2025 8:58 AM, Dan Cross wrote:
> In article ,
> Arne Vajhøj wrote:
>> On 4/16/2025 9:29 PM, Dan Cross wrote:
>>> In article <67fee5b8$0$708$14726298@news.sunsite.dk>,
>>> Arne Vajhøj wrote:
>>>> There is no question that it is most accurate to only
>>>> count the continued line as one in your example.
>>>>
>>>> But I suspect that a lot of LOC counters just count
>>>> non-blank and non-comment.
>>>>
>>>> Anything else requires language knowledge.
>>>>
>>>> And while it for Fortran, Basic, Macro-32 may be relative
>>>> simple, then for other languages it can become more tricky.
>>>>
>>>> Let us take 4 times Pascal:
>>>>
>>>> if a = 1 then b := 2 else b := 3;
>>>>
>>>> if a = 1 then
>>>> b := 2
>>>> else
>>>> b := 3;
>>>>
>>>> if a = 1 then begin
>>>> b := 2;
>>>> end else begin
>>>> b := 3;
>>>> end;
>>>>
>>>> if a = 1 then
>>>> begin
>>>> b := 2;
>>>> end
>>>> else
>>>> begin
>>>> b := 3;
>>>> end;
>>>>
>>>> How many lines? I would say that the most correct is 3 in
>>>> all 4 cases. But coding the line counter to return that
>>>> would require it to have Pascal knowledge.
>>>>
>>>> And what about the fluent style that are so modern?
>>>>
>>>> o = f.create();
>>>> o.add(1);
>>>> o.add(2);
>>>> o.add(3);
>>>>
>>>> o = f.create()
>>>> .add(1)
>>>> .add(2)
>>>> .add(3);
>>>>
>>>> o = f.create().add(1).add(2).add(3);
>>>>
>>>> 1 1 1 or 4 1 1 or 4 4 1 or 4 4 4??
>>>>
>>>> So I think counters go for the simple approach and assume
>>>> that for large code bases with many developers then total
>>>> converge towards an "average" style.
>>>
>>> Most modern code-counting tools _are_ language aware. Whether
>>> they do a better or worse job for each given language may be a
>>> matter of debate, but most at least recognize different
>>> languages and have some knowledge of their semantics.
>>>
>>> Cf, https://github.com/XAMPPRocky/tokei?tab=readme-ov-file
>>> https://github.com/AlDanial/cloc?tab=readme-ov-file#recognized-languages-
>>> https://github.com/boyter/scc/blob/master/LANGUAGES.md
>>>
>>> etc.
>>
>> Their language awareness consist of recognizing comments.
>>
>> They are examples of some of those tools that simply count
>> non-blank non-comment lines.
>>
>> (SCC also know some keywords but that is used for complexity
>> calculation not for line counting)
>>
>> C:\Work>type demo.c
>> // C demo
>>
>> #include
>>
>> int main()
>> {
>> int a[] = {
>> 1,
>> 2,
>> 3
>> };
>> printf("%d %d %d\n",
>> a[0],
>> a[1],
>> a[2]);
>> return 0;
>> }
>>
>> C:\Work>cloc-1.96 demo.c
>> 1 text file.
>> 1 unique file.
>> 0 files ignored.
>>
>> github.com/AlDanial/cloc v 1.96 T=0.01 s (67.5 files/s, 1147.0 lines/s)
>> -------------------------------------------------------------
-----------------
>> Language files blank comment
>> code
>> -------------------------------------------------------------
-----------------
>> C 1 2 1
>> 14
>> -------------------------------------------------------------
-----------------
>>
>> C:\Work>scc demo.c
>> ───────â”
───────â”
───────â”
───────â
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───────â”
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>> Language Files Lines Blanks Comments Code
>> Complexity
>> ───────â”
───────â”
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>> C 1 17 2 1 14
>> 0
>> ───────â”
───────â”
───────â”
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>> Total 1 17 2 1 14
>> 0
>> ───────â”
───────â”
───────â”
───────â
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>> Estimated Cost to Develop (organic) $305
>> Estimated Schedule Effort (organic) 0.63 months
>> Estimated People Required (organic) 0.04
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