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| author | Keith Randall <khr@golang.org> | 2021-08-03 08:10:17 -0700 |
|---|---|---|
| committer | Keith Randall <khr@golang.org> | 2021-08-09 18:41:45 +0000 |
| commit | ca3c6985cd143f170699d22ed984b7eed0f68e4d (patch) | |
| tree | 6787bfb8efffc4757a2d0b0b3aa66094279bce97 /src/cmd/compile/internal/ir/expr.go | |
| parent | 57668b84ff43b15746a25e9653c278d174ea483f (diff) | |
| download | go-ca3c6985cd143f170699d22ed984b7eed0f68e4d.tar.gz go-ca3c6985cd143f170699d22ed984b7eed0f68e4d.zip | |
[dev.typeparams] cmd/compile: implement generic type switches
Add a new dynamicType node, which is used as a case entry when
the type being switched to is generic.
Change-Id: Ice77c6f224b8fdd3ff574fdf4a8ea5f6c7ddbe75
Reviewed-on: https://go-review.googlesource.com/c/go/+/339429
Trust: Keith Randall <khr@golang.org>
Trust: Dan Scales <danscales@google.com>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: Dan Scales <danscales@google.com>
Diffstat (limited to 'src/cmd/compile/internal/ir/expr.go')
| -rw-r--r-- | src/cmd/compile/internal/ir/expr.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ir/expr.go b/src/cmd/compile/internal/ir/expr.go index 9c5fbbc9aa..dc28483907 100644 --- a/src/cmd/compile/internal/ir/expr.go +++ b/src/cmd/compile/internal/ir/expr.go @@ -700,6 +700,15 @@ func NewDynamicTypeAssertExpr(pos src.XPos, op Op, x, t Node) *DynamicTypeAssert return n } +func (n *DynamicTypeAssertExpr) SetOp(op Op) { + switch op { + default: + panic(n.no("SetOp " + op.String())) + case ODYNAMICDOTTYPE, ODYNAMICDOTTYPE2: + n.op = op + } +} + // A UnaryExpr is a unary expression Op X, // or Op(X) for a builtin function that does not end up being a call. type UnaryExpr struct { |