diff options
Diffstat (limited to 'src/cmd/compile/internal/types/type.go')
| -rw-r--r-- | src/cmd/compile/internal/types/type.go | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/cmd/compile/internal/types/type.go b/src/cmd/compile/internal/types/type.go index d3c02fc56d..3b0a9706f6 100644 --- a/src/cmd/compile/internal/types/type.go +++ b/src/cmd/compile/internal/types/type.go @@ -182,12 +182,19 @@ type Type struct { flags bitset8 // For defined (named) generic types, a pointer to the list of type params - // (in order) of this type that need to be instantiated. For - // fully-instantiated generic types, this is the targs used to instantiate - // them (which are used when generating the corresponding instantiated - // methods). rparams is only set for named types that are generic or are - // fully-instantiated from a generic type, and is otherwise set to nil. + // (in order) of this type that need to be instantiated. For instantiated + // generic types, this is the targs used to instantiate them. These targs + // may be typeparams (for re-instantiated types such as Value[T2]) or + // concrete types (for fully instantiated types such as Value[int]). + // rparams is only set for named types that are generic or are fully + // instantiated from a generic type, and is otherwise set to nil. + // TODO(danscales): choose a better name. rparams *[]*Type + + // For an instantiated generic type, the symbol for the base generic type. + // This backpointer is useful, because the base type is the type that has + // the method bodies. + OrigSym *Sym } func (*Type) CanBeAnSSAAux() {} @@ -213,7 +220,9 @@ func (t *Type) SetBroke(b bool) { t.flags.set(typeBroke, b) } func (t *Type) SetNoalg(b bool) { t.flags.set(typeNoalg, b) } func (t *Type) SetDeferwidth(b bool) { t.flags.set(typeDeferwidth, b) } func (t *Type) SetRecur(b bool) { t.flags.set(typeRecur, b) } -func (t *Type) SetHasTParam(b bool) { t.flags.set(typeHasTParam, b) } + +// Generic types should never have alg functions. +func (t *Type) SetHasTParam(b bool) { t.flags.set(typeHasTParam, b); t.flags.set(typeNoalg, b) } // Kind returns the kind of type t. func (t *Type) Kind() Kind { return t.kind } |