40 lines
925 B
Go
40 lines
925 B
Go
package vm
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import (
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/plugins"
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)
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func (st *Stack) Len() int {
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return len(st.data)
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}
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func PluginOpCodeSelect(pl *plugins.PluginLoader, jt *JumpTable) *JumpTable {
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var opCodes []int
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fnList := pl.Lookup("OpCodeSelect", func(item interface{}) bool {
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_, ok := item.(func() []int)
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return ok
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})
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for _, fni := range fnList {
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if fn, ok := fni.(func() []int); ok {
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opCodes = append(opCodes, fn()...)
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}
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}
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if len(opCodes) > 0 {
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jt = copyJumpTable(jt)
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}
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for _, idx := range opCodes {
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(*jt)[idx] = &operation{execute: opUndefined, maxStack: maxStack(0, 0)}
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}
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return jt
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}
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func pluginOpCodeSelect(jt *JumpTable) *JumpTable {
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if plugins.DefaultPluginLoader == nil {
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log.Warn("Attempting PluginOpCodeSelect, but default PluginLoader has not been initialized")
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return nil
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}
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return PluginOpCodeSelect(plugins.DefaultPluginLoader, jt)
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}
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