From: arne@vajhoej.dk
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”€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”€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”€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”€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”€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”€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
===============================================================================
Arne
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* Origin: you cannot sedate... all the things you hate (1:229/2)
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