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log.go
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log.go
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// Copyright 2023 Sneller, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package vm
import (
"fmt"
)
// Errorf is a global diagnostic function
// that can be set during init() to capture
// additional diagnostic information from
// the vm.
var Errorf func(f string, args ...any)
func errorf(f string, args ...any) {
if Errorf != nil {
Errorf(f, args...)
}
}
// bytecodeerror reports bytecode errors in a consistent way
func bytecodeerror(ctx string, bc *bytecode) error {
if bc.err == 0 {
return nil
}
errorf("error pc %d", bc.errpc)
errorf("bytecode:\n%s\n", bc.String())
return fmt.Errorf("%s: bytecode error: errpc %d: %w", ctx, bc.errpc, bc.err)
}