29 lines
518 B
Go
29 lines
518 B
Go
// Command asm assembles ship-program source into the binary that the
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// program endpoint accepts: asm prog.s > prog.bin
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package main
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import (
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"fmt"
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"os"
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"wh/vm"
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)
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func main() {
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if len(os.Args) != 2 {
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fmt.Fprintln(os.Stderr, "usage: asm <source.s> > program.bin")
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os.Exit(2)
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}
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src, err := os.ReadFile(os.Args[1])
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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prog, err := vm.Assemble(string(src))
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if err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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os.Stdout.Write(prog)
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}
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