43 lines
956 B
Go
43 lines
956 B
Go
package gen
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import "github.com/mmcloughlin/avo/internal/inst"
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type build struct {
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cfg Config
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printer
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}
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func NewBuild(cfg Config) Interface {
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return GoFmt(&build{cfg: cfg})
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}
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func (b *build) Generate(is []inst.Instruction) ([]byte, error) {
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b.Printf("// %s\n\n", b.cfg.GeneratedWarning())
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b.Printf("package build\n\n")
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b.Printf("import (\n")
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b.Printf("\t\"%s\"\n", pkg)
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b.Printf("\t\"%s/x86\"\n", pkg)
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b.Printf(")\n\n")
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for _, i := range is {
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b.instruction(i)
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}
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return b.Result()
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}
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func (b *build) instruction(i inst.Instruction) {
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s := params(i)
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// Context method.
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b.Printf("func (c *Context) %s(%s) {\n", i.Opcode, s.ParameterList())
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b.Printf("if inst, err := x86.%s(%s); err == nil", i.Opcode, s.Arguments())
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b.Printf(" { c.Instruction(*inst) }")
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b.Printf(" else { c.AddError(err) }\n")
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b.Printf("}\n")
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// Global version.
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b.Printf("func %s(%s) { ctx.%s(%s) }\n\n", i.Opcode, s.ParameterList(), i.Opcode, s.Arguments())
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}
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