[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/).

1 files changed, 109 insertions, 0 deletions

diff --git a/vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/exitcode.go b/vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/exitcode.go
new file mode 100644
index 000000000..5ad594982
--- /dev/null
+++ b/vendor/github.com/tetratelabs/wazero/internal/engine/wazevo/wazevoapi/exitcode.go
@@ -0,0 +1,109 @@
+package wazevoapi
+
+// ExitCode is an exit code of an execution of a function.
+type ExitCode uint32
+
+const (
+	ExitCodeOK ExitCode = iota
+	ExitCodeGrowStack
+	ExitCodeGrowMemory
+	ExitCodeUnreachable
+	ExitCodeMemoryOutOfBounds
+	// ExitCodeCallGoModuleFunction is an exit code for a call to an api.GoModuleFunction.
+	ExitCodeCallGoModuleFunction
+	// ExitCodeCallGoFunction is an exit code for a call to an api.GoFunction.
+	ExitCodeCallGoFunction
+	ExitCodeTableOutOfBounds
+	ExitCodeIndirectCallNullPointer
+	ExitCodeIndirectCallTypeMismatch
+	ExitCodeIntegerDivisionByZero
+	ExitCodeIntegerOverflow
+	ExitCodeInvalidConversionToInteger
+	ExitCodeCheckModuleExitCode
+	ExitCodeCallListenerBefore
+	ExitCodeCallListenerAfter
+	ExitCodeCallGoModuleFunctionWithListener
+	ExitCodeCallGoFunctionWithListener
+	ExitCodeTableGrow
+	ExitCodeRefFunc
+	ExitCodeMemoryWait32
+	ExitCodeMemoryWait64
+	ExitCodeMemoryNotify
+	ExitCodeUnalignedAtomic
+	exitCodeMax
+)
+
+const ExitCodeMask = 0xff
+
+// String implements fmt.Stringer.
+func (e ExitCode) String() string {
+	switch e {
+	case ExitCodeOK:
+		return "ok"
+	case ExitCodeGrowStack:
+		return "grow_stack"
+	case ExitCodeCallGoModuleFunction:
+		return "call_go_module_function"
+	case ExitCodeCallGoFunction:
+		return "call_go_function"
+	case ExitCodeUnreachable:
+		return "unreachable"
+	case ExitCodeMemoryOutOfBounds:
+		return "memory_out_of_bounds"
+	case ExitCodeUnalignedAtomic:
+		return "unaligned_atomic"
+	case ExitCodeTableOutOfBounds:
+		return "table_out_of_bounds"
+	case ExitCodeIndirectCallNullPointer:
+		return "indirect_call_null_pointer"
+	case ExitCodeIndirectCallTypeMismatch:
+		return "indirect_call_type_mismatch"
+	case ExitCodeIntegerDivisionByZero:
+		return "integer_division_by_zero"
+	case ExitCodeIntegerOverflow:
+		return "integer_overflow"
+	case ExitCodeInvalidConversionToInteger:
+		return "invalid_conversion_to_integer"
+	case ExitCodeCheckModuleExitCode:
+		return "check_module_exit_code"
+	case ExitCodeCallListenerBefore:
+		return "call_listener_before"
+	case ExitCodeCallListenerAfter:
+		return "call_listener_after"
+	case ExitCodeCallGoModuleFunctionWithListener:
+		return "call_go_module_function_with_listener"
+	case ExitCodeCallGoFunctionWithListener:
+		return "call_go_function_with_listener"
+	case ExitCodeGrowMemory:
+		return "grow_memory"
+	case ExitCodeTableGrow:
+		return "table_grow"
+	case ExitCodeRefFunc:
+		return "ref_func"
+	case ExitCodeMemoryWait32:
+		return "memory_wait32"
+	case ExitCodeMemoryWait64:
+		return "memory_wait64"
+	case ExitCodeMemoryNotify:
+		return "memory_notify"
+	}
+	panic("TODO")
+}
+
+func ExitCodeCallGoModuleFunctionWithIndex(index int, withListener bool) ExitCode {
+	if withListener {
+		return ExitCodeCallGoModuleFunctionWithListener | ExitCode(index<<8)
+	}
+	return ExitCodeCallGoModuleFunction | ExitCode(index<<8)
+}
+
+func ExitCodeCallGoFunctionWithIndex(index int, withListener bool) ExitCode {
+	if withListener {
+		return ExitCodeCallGoFunctionWithListener | ExitCode(index<<8)
+	}
+	return ExitCodeCallGoFunction | ExitCode(index<<8)
+}
+
+func GoFunctionIndexFromExitCode(exitCode ExitCode) int {
+	return int(exitCode >> 8)
+}