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-rw-r--r--vendor/github.com/tetratelabs/wazero/experimental/checkpoint.go35
1 files changed, 0 insertions, 35 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/experimental/checkpoint.go b/vendor/github.com/tetratelabs/wazero/experimental/checkpoint.go
deleted file mode 100644
index c75db615e..000000000
--- a/vendor/github.com/tetratelabs/wazero/experimental/checkpoint.go
+++ /dev/null
@@ -1,35 +0,0 @@
-package experimental
-
-import (
- "context"
-
- "github.com/tetratelabs/wazero/internal/expctxkeys"
-)
-
-// Snapshot holds the execution state at the time of a Snapshotter.Snapshot call.
-type Snapshot interface {
- // Restore sets the Wasm execution state to the capture. Because a host function
- // calling this is resetting the pointer to the executation stack, the host function
- // will not be able to return values in the normal way. ret is a slice of values the
- // host function intends to return from the restored function.
- Restore(ret []uint64)
-}
-
-// Snapshotter allows host functions to snapshot the WebAssembly execution environment.
-type Snapshotter interface {
- // Snapshot captures the current execution state.
- Snapshot() Snapshot
-}
-
-// WithSnapshotter enables snapshots.
-// Passing the returned context to a exported function invocation enables snapshots,
-// and allows host functions to retrieve the Snapshotter using GetSnapshotter.
-func WithSnapshotter(ctx context.Context) context.Context {
- return context.WithValue(ctx, expctxkeys.EnableSnapshotterKey{}, struct{}{})
-}
-
-// GetSnapshotter gets the Snapshotter from a host function.
-// It is only present if WithSnapshotter was called with the function invocation context.
-func GetSnapshotter(ctx context.Context) Snapshotter {
- return ctx.Value(expctxkeys.SnapshotterKey{}).(Snapshotter)
-}