gotosocial/vendor/github.com/tetratelabs/wazero/experimental/experimental.go
kim 1e7b32490d
[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)
This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).
2024-05-27 17:46:15 +02:00

41 lines
1.4 KiB
Go

// Package experimental includes features we aren't yet sure about. These are enabled with context.Context keys.
//
// Note: All features here may be changed or deleted at any time, so use with caution!
package experimental
import (
"github.com/tetratelabs/wazero/api"
)
// InternalModule is an api.Module that exposes additional
// information.
type InternalModule interface {
api.Module
// NumGlobal returns the count of all globals in the module.
NumGlobal() int
// Global provides a read-only view for a given global index.
//
// The methods panics if i is out of bounds.
Global(i int) api.Global
}
// ProgramCounter is an opaque value representing a specific execution point in
// a module. It is meant to be used with Function.SourceOffsetForPC and
// StackIterator.
type ProgramCounter uint64
// InternalFunction exposes some information about a function instance.
type InternalFunction interface {
// Definition provides introspection into the function's names and
// signature.
Definition() api.FunctionDefinition
// SourceOffsetForPC resolves a program counter into its corresponding
// offset in the Code section of the module this function belongs to.
// The source offset is meant to help map the function calls to their
// location in the original source files. Returns 0 if the offset cannot
// be calculated.
SourceOffsetForPC(pc ProgramCounter) uint64
}