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generate_methods.go
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generate_methods.go
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package main
import (
"go/types"
"strconv"
)
// generateMethods will groups
func (g *generator) generateMethods(r *goRenderer, methods []*types.Func) {
for _, gr := range groupFuncs(methods) {
g.generateMethodsGroup(r.Scope(), gr)
}
}
func (g *generator) generateMethodsGroup(r *goRenderer, gr []*types.Func) {
r = r.Scope()
if len(gr) == 0 {
return
}
sig := gr[0].Type().(*types.Signature)
variadic := sig.Variadic()
supp := "method" + strconv.Itoa(sig.Params().Len())
if sig.Variadic() {
supp += "variadic"
}
methodName := r.Uniq("methodName")
r.Let("baseMethod", supp)
r.Let("methodName", methodName)
for _, m := range gr {
sig := m.Type().(*types.Signature)
g.generateMethod(r.Scope(), m, sig)
}
r = g.b.Scope()
r.N()
r.Imports().Add("fmt").Ref("fmt")
r.Let("baseMethod", supp)
r.Let("methodName", methodName)
r.Let("dst", r.S("$x.b.buf"))
r.Let("r", r.S("$x.b.r"))
r.Let("posargs", r.S("$x.b.a"))
params, args := baseArgs(r, gr)
r.M("$x", "*$gattr[T]")(supp)(params).Returns("*$gattr[T]").Body(func(r *goRenderer) {
g.renderCallGen(r, args, variadic, areAlwaysStrings(gr), true)
r.N()
r.L(`$dst.WriteByte(')')`)
r.L(`return $x`)
})
}
func (g *generator) generateMethod(r *goRenderer, m *types.Func, sig *types.Signature) {
params := methodParams(r, sig)
r.N()
r.L(`// $0 call support.`, m.Name())
r.M("$x", "*$gattr[T]")(m.Name())(params...).Returns("*$gattr[T]").Body(func(r *goRenderer) {
r.L(`return $x.$baseMethod("$0", $1)`, m.Name(), paramsUsage(r, params, sig.Variadic()))
})
}