From: cross@spitfire.i.gajendra.net
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”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”
─────────────────────â
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
>Language Files Lines Blanks Comments Code
>Complexity
>─────────────────────
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”
─────────────────────â
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
>C 1 17 2 1 14
> 0
>─────────────────────
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”
─────────────────────â
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
>Total 1 17 2 1 14
> 0
>─────────────────────
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”
─────────────────────â
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
>Estimated Cost to Develop (organic) $305
>Estimated Schedule Effort (organic) 0.63 months
>Estimated People Required (organic) 0.04
>─────────────────────
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”
─────────────────────â
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
>Processed 200 bytes, 0.000 megabytes (SI)
>─────────────────────
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”
─────────────────────â
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
>
>C:\Work>tokei-x86_64-pc-windows-msvc demo.c
>===============================================================
===============
> Language Files Lines Code Comments
>Blanks
>===============================================================
===============
> C 1 17 14 1
> 2
>===============================================================
===============
> Total 1 17 14 1
> 2
>===============================================================
===============
You are aware that there are other tools, correct? These are
just examples of a handful that have _some_ language awareness.
- Dan C.
--- SoupGate-DOS v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
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