Re: union member already defined?

[iriri <iri@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Also, hi and welcome to Myrddin. You'll love it, hopefully. :)

 ---- On Sat, 28 Jul 2018 17:43:24 -0700 iriri <iri@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote ---- 
 > Union tags must be unique within a given namespace. 
 >  
 > type u1 = 
 >     `A1 int 
 >     `B1 flt64 
 > ;; 
 >  
 > type u2 = 
 >     `A2 flt64 
 >     `B2 char 
 > ;; 
 >  
 >  ---- On Sat, 28 Jul 2018 02:21:33 -0700 theos <theosjp@xxxxxxxxx> wrote ----  
 >  > hi,  
 >  >   
 >  > i started to learn myrddin recently and was going through the tutorial.  
 >  > i am getting - somewhat unexpected - an "already defined" error for the   
 >  > below union example. this is with the latest version on linux.  
 >  >   
 >  > is this supposed to be this way?  and if so what am i doing wrong?  
 >  >   
 >  > % mbld -R u2.myr  
 >  > u2.myr:2: `a already defined on u2.myr:7  
 >  > FAIL: 6m u2.myr  
 >  >   
 >  > % 6m u2.myr  
 >  > u2.myr:2: `a already defined on u2.myr:7  
 >  >   
 >  > % cat u2.myr  
 >  > type u1 = union  
 >  >          `a int  
 >  >          `b flt  
 >  > ;;  
 >  >   
 >  > type u2 = union  
 >  >          `a flt  
 >  >          `b char  
 >  > ;;  
 >  >   
 >  > const main = {  
 >  >   
 >  > }  
 >  >   
 >  > its error-ing out in stab.c - i've poked a bit around in putucon and   
 >  > gram.y, but had to confess to myself that i dont really know what i am   
 >  > looking for/at.  
 >  >   
 >  > Breakpoint 3, putucon (st=0x5555557d1070, uc=0x5555557dc460) at stab.c:495  
 >  > 495                     lfatal(old->loc, "`%s already defined on %s:%d",  
 >  > (gdb) bt  
 >  > #0  putucon (st=0x5555557d1070, uc=0x5555557dc460) at stab.c:495  
 >  > #1  0x0000555555578d30 in installucons (st=0x5555557d1070,   
 >  > t=0x5555557dc6a0) at gram.y:1252  
 >  > #2  0x0000555555574484 in yyparse () at gram.y:248  
 >  > #3  0x0000555555563e3b in main (argc=2, argv=0x7fffffffe728) at main.c:276  
 >  >   
 >  > thank you,  
 >  > theo.  
 >  >   
 >  >   
 >  >  
 >  
 >  
 >  
 >