From 1e7b32490dfdccddd04f46d4b0416b48d749d51b Mon Sep 17 00:00:00 2001 From: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com> Date: Mon, 27 May 2024 15:46:15 +0000 Subject: [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/). --- .../wazero/internal/wasm/binary/table.go | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 vendor/github.com/tetratelabs/wazero/internal/wasm/binary/table.go (limited to 'vendor/github.com/tetratelabs/wazero/internal/wasm/binary/table.go') diff --git a/vendor/github.com/tetratelabs/wazero/internal/wasm/binary/table.go b/vendor/github.com/tetratelabs/wazero/internal/wasm/binary/table.go new file mode 100644 index 000000000..353ec7566 --- /dev/null +++ b/vendor/github.com/tetratelabs/wazero/internal/wasm/binary/table.go @@ -0,0 +1,43 @@ +package binary + +import ( + "bytes" + "fmt" + + "github.com/tetratelabs/wazero/api" + "github.com/tetratelabs/wazero/internal/wasm" +) + +// decodeTable returns the wasm.Table decoded with the WebAssembly 1.0 (20191205) Binary Format. +// +// See https://www.w3.org/TR/2019/REC-wasm-core-1-20191205/#binary-table +func decodeTable(r *bytes.Reader, enabledFeatures api.CoreFeatures, ret *wasm.Table) (err error) { + ret.Type, err = r.ReadByte() + if err != nil { + return fmt.Errorf("read leading byte: %v", err) + } + + if ret.Type != wasm.RefTypeFuncref { + if err = enabledFeatures.RequireEnabled(api.CoreFeatureReferenceTypes); err != nil { + return fmt.Errorf("table type funcref is invalid: %w", err) + } + } + + var shared bool + ret.Min, ret.Max, shared, err = decodeLimitsType(r) + if err != nil { + return fmt.Errorf("read limits: %v", err) + } + if ret.Min > wasm.MaximumFunctionIndex { + return fmt.Errorf("table min must be at most %d", wasm.MaximumFunctionIndex) + } + if ret.Max != nil { + if *ret.Max < ret.Min { + return fmt.Errorf("table size minimum must not be greater than maximum") + } + } + if shared { + return fmt.Errorf("tables cannot be marked as shared") + } + return +} -- cgit v1.2.3