CPP bug in sun OS cc?? (or ANSI standard interpretation??)
Vick Khera
khera at juliet.cs.duke.edu
Thu Aug 2 22:47:44 AEST 1990
In article <384 at array.UUCP> colin at array.UUCP (Colin Plumb) writes:
>In article <1579 at idunno.Princeton.EDU> rhl at grendel.Princeton.EDU (Robert Lupton (the Good)) writes:
>> The following fails to compile on a sparc running Sun O/S 4.0.3:
>> #define line LINE
>> main()
>> {
>> #line 1234 "junk.c"
>> }
>> as the "#line" is treated as "#LINE" -- does ansi allow this??
>
>Section 3.8.3 Macro Replacement
>Semantics, paragraph 2:
>
> If a # preprocessing token, followed by an identifier, occurs lexically at
>the point at which a preprocessing directive could begin, the identifier is
>not subject to macro replacement.
>
>This is from the December 7, 1988 draft. Looks like it's illegal.
> -Colin
since when did sun claim their sparc compiler under 4.0.3 was ANSI
compliant? how can it be illegal if it never intended to follow the
new rules?
v.
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Vick Khera (919) 660-6528 Department of Computer Science
ARPA: khera at cs.duke.edu Duke University
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