mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-14 19:26:43 +00:00
86 lines
No EOL
2.8 KiB
Go
86 lines
No EOL
2.8 KiB
Go
/*
|
|
* Copyright 2021 ByteDance 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 option
|
|
|
|
var (
|
|
// DefaultDecoderBufferSize is the initial buffer size of StreamDecoder
|
|
DefaultDecoderBufferSize uint = 128 * 1024
|
|
|
|
// DefaultEncoderBufferSize is the initial buffer size of Encoder
|
|
DefaultEncoderBufferSize uint = 128 * 1024
|
|
)
|
|
|
|
// CompileOptions includes all options for encoder or decoder compiler.
|
|
type CompileOptions struct {
|
|
// the maximum depth for compilation inline
|
|
MaxInlineDepth int
|
|
|
|
// the loop times for recursively pretouch
|
|
RecursiveDepth int
|
|
}
|
|
|
|
var (
|
|
// Default value(3) means the compiler only inline 3 layers of nested struct.
|
|
// when the depth exceeds, the compiler will recurse
|
|
// and compile subsequent structs when they are decoded
|
|
DefaultMaxInlineDepth = 3
|
|
|
|
// Default value(1) means `Pretouch()` will be recursively executed once,
|
|
// if any nested struct is left (depth exceeds MaxInlineDepth)
|
|
DefaultRecursiveDepth = 1
|
|
)
|
|
|
|
// DefaultCompileOptions set default compile options.
|
|
func DefaultCompileOptions() CompileOptions {
|
|
return CompileOptions{
|
|
RecursiveDepth: DefaultRecursiveDepth,
|
|
MaxInlineDepth: DefaultMaxInlineDepth,
|
|
}
|
|
}
|
|
|
|
// CompileOption is a function used to change DefaultCompileOptions.
|
|
type CompileOption func(o *CompileOptions)
|
|
|
|
// WithCompileRecursiveDepth sets the loop times of recursive pretouch
|
|
// in both decoder and encoder,
|
|
// for both concrete type and its pointer type.
|
|
//
|
|
// For deep nested struct (depth exceeds MaxInlineDepth),
|
|
// try to set more loops to completely compile,
|
|
// thus reduce JIT unstability in the first hit.
|
|
func WithCompileRecursiveDepth(loop int) CompileOption {
|
|
return func(o *CompileOptions) {
|
|
if loop < 0 {
|
|
panic("loop must be >= 0")
|
|
}
|
|
o.RecursiveDepth = loop
|
|
}
|
|
}
|
|
|
|
// WithCompileMaxInlineDepth sets the max depth of inline compile
|
|
// in decoder and encoder.
|
|
//
|
|
// For large nested struct, try to set smaller depth to reduce compiling time.
|
|
func WithCompileMaxInlineDepth(depth int) CompileOption {
|
|
return func(o *CompileOptions) {
|
|
if depth <= 0 {
|
|
panic("depth must be > 0")
|
|
}
|
|
o.MaxInlineDepth = depth
|
|
}
|
|
}
|
|
|