66 lines
1.1 KiB
Go
66 lines
1.1 KiB
Go
package pass
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import (
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"io"
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"github.com/mmcloughlin/avo"
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"github.com/mmcloughlin/avo/printer"
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)
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var Compile = Concat(
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FunctionPass(LabelTarget),
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FunctionPass(CFG),
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FunctionPass(Liveness),
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FunctionPass(AllocateRegisters),
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FunctionPass(BindRegisters),
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FunctionPass(VerifyAllocation),
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)
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type Interface interface {
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Execute(*avo.File) error
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}
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type Func func(*avo.File) error
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func (p Func) Execute(f *avo.File) error {
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return p(f)
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}
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type FunctionPass func(*avo.Function) error
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func (p FunctionPass) Execute(f *avo.File) error {
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for _, fn := range f.Functions {
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if err := p(fn); err != nil {
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return err
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}
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}
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return nil
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}
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func Concat(passes ...Interface) Interface {
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return Func(func(f *avo.File) error {
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for _, p := range passes {
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if err := p.Execute(f); err != nil {
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return err
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}
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}
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return nil
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})
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}
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type Output struct {
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Writer io.WriteCloser
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Printer printer.Printer
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}
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func (o *Output) Execute(f *avo.File) error {
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b, err := o.Printer.Print(f)
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if err != nil {
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return err
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}
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if _, err = o.Writer.Write(b); err != nil {
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return err
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}
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return o.Writer.Close()
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}
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