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Improve performance of token compilation #12

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merged 2 commits into from
Dec 6, 2022
Merged

Improve performance of token compilation #12

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9452e5d
Pre-grow string builder
estensen Nov 30, 2022
bb4181c
Improve binary to hex conversion
estensen Dec 2, 2022
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6 changes: 4 additions & 2 deletions core/asm/compiler.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
package asm

import (
"encoding/hex"
"fmt"
"math/big"
"os"
Expand Down Expand Up @@ -106,12 +107,13 @@ func (c *Compiler) Compile() (string, []error) {

// turn the binary to hex
var bin strings.Builder
bin.Grow(len(c.binary))
for _, v := range c.binary {
switch v := v.(type) {
case vm.OpCode:
bin.WriteString(fmt.Sprintf("%x", []byte{byte(v)}))
bin.WriteString(hex.EncodeToString([]byte{byte(v)}))
case []byte:
bin.WriteString(fmt.Sprintf("%x", v))
bin.WriteString(hex.EncodeToString(v))
}
}
return bin.String(), errors
Expand Down