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new error messages

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x.go:11: illegal types for operand: AS
	*I
	*T
	(*interface vs *struct)

R=r
DELTA=10  (8 added, 0 deleted, 2 changed)
OCL=21457
CL=21602
This commit is contained in:
Russ Cox 2008-12-19 09:03:24 -08:00
parent da0a7d7b8f
commit c4416ac06b
2 changed files with 10 additions and 2 deletions
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4
src/cmd/gc/go.h
View File

@ -351,10 +351,10 @@ enum
TFUNC,
TARRAY,
T_old_DARRAY,
TSTRUCT,
TSTRUCT, // 23
TCHAN,
TMAP,
TINTER,
TINTER, // 26
TFORW,
TFIELD,
TANY,

8
src/cmd/gc/subr.c
View File

@ -2140,6 +2140,14 @@ loop:
print(" %lT\n", tl);
if(tr != T)
print(" %lT\n", tr);
// common mistake: *struct and *interface.
if(tl && tr && isptr[tl->etype] && isptr[tr->etype]) {
if(tl->type->etype == TSTRUCT && tr->type->etype == TINTER)
print(" (*struct vs *interface)\n");
else if(tl->type->etype == TINTER && tr->type->etype == TSTRUCT)
print(" (*interface vs *struct)\n");
}
}
/*