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package main
import "text/template"
// generic loop templates
type LoopBody struct {
TypedOp
Range string
Left string
Right string
Index0, Index1, Index2 string
IterName0, IterName1, IterName2 string
}
const (
genericLoopRaw = `for i := range {{.Range}} {
{{template "check" . -}}
{{template "loopbody" . -}}
}`
genericUnaryIterLoopRaw = `var {{.Index0}} int
var valid{{.Index0}} bool
for {
if {{.Index0}}, valid{{.Index0}}, err = {{.IterName0}}.NextValidity(); err != nil {
err = handleNoOp(err)
break
}
if valid{{.Index0}} {
{{template "check" . -}}
{{template "loopbody" . -}}
}
}`
genericBinaryIterLoopRaw = `var {{.Index0}}, {{.Index1}} int
var valid{{.Index0}}, valid{{.Index1}} bool
for {
if {{.Index0}}, valid{{.Index0}}, err = {{.IterName0}}.NextValidity(); err != nil {
err = handleNoOp(err)
break
}
if {{.Index1}}, valid{{.Index1}}, err = {{.IterName1}}.NextValidity(); err != nil {
err = handleNoOp(err)
break
}
if valid{{.Index0}} && valid{{.Index1}} {
{{template "check" . -}}
{{template "loopbody" . -}}
}
}`
genericTernaryIterLoopRaw = `var {{.Index0}}, {{.Index1}}, {{.Index2}} int
var valid{{.Index0}}, valid{{.Index1}}, valid{{.Index2}} bool
for {
if {{.Index0}}, valid{{.Index0}}, err = {{.IterName0}}.NextValidity(); err != nil {
err = handleNoOp(err)
break
}
if {{.Index1}}, valid{{.Index1}}, err = {{.IterName1}}.NextValidity(); err != nil {
err = handleNoOp(err)
break
}
if {{.Index2}}, valid{{.Index2}}, err = {{.IterName2}}.NextValidity(); err != nil {
err = handleNoOp(err)
break
}
if valid{{.Index0}} && valid{{.Index1}} && valid{{.Index2}} {
{{template "check" . -}}
{{template "loopbody" . -}}
}
}`
// ALL THE SYNTACTIC ABSTRACTIONS!
// did I mention how much I hate C-style macros? Now I'm doing them instead
basicSet = `{{if .IsFunc -}}
{{.Range}}[i] = {{ template "callFunc" . -}}
{{else -}}
{{.Range}}[i] = {{template "opDo" . -}}
{{end -}}`
basicIncr = `{{if .IsFunc -}}
{{.Range}}[i] += {{template "callFunc" . -}}
{{else -}}
{{.Range}}[i] += {{template "opDo" . -}}
{{end -}}`
iterIncrLoopBody = `{{if .IsFunc -}}
{{.Range}}[k] += {{template "callFunc" . -}}
{{else -}}
{{.Range}}[k] += {{template "opDo" . -}}
{{end -}}`
sameSet = `if {{template "opDo" . }} {
{{.Range}}[i] = {{trueValue .Kind}}
}else{
{{.Range}}[i] = {{falseValue .Kind}}
}`
clampBody = `if {{.Range}}[i] < min {{if eq .Kind.String "float64"}}|| math.IsInf({{.Range}}[i], -1){{else if eq .Kind.String "float32"}}|| math32.IsInf({{.Range}}[i], -1){{end}} {
{{.Range}}[i] = min
continue
}
if {{.Range}}[i] > max {{if eq .Kind.String "float64"}}|| math.IsInf({{.Range}}[i], 1){{else if eq .Kind.String "float32"}}|| math32.IsInf({{.Range}}[i], 1){{end}} {
{{.Range}}[i] = max
}
`
ternaryIterSet = `{{.Range}}[k] = {{template "opDo" . -}}`
binOpCallFunc = `{{if eq "complex64" .Kind.String -}}
complex64({{template "symbol" .Kind}}(complex128({{.Left}}), complex128({{.Right}}))){{else -}}
{{template "symbol" .Kind}}({{.Left}}, {{.Right}}){{end -}}`
binOpDo = `{{.Left}} {{template "symbol" .Kind}} {{.Right}}`
unaryOpDo = `{{template "symbol" .}}{{.Left}}[{{.Index0}}]`
unaryOpCallFunc = `{{if eq "complex64" .Kind.String -}}
complex64({{template "symbol" .}}(complex128({{.Left}}[{{.Index0}}]))){{else -}}
{{template "symbol" .}}({{.Left}}[{{.Index0}}]){{end -}}
`
check0 = `if {{.Right}} == 0 {
errs = append(errs, i)
{{.Range}}[i] = 0
continue
}
`
maskCheck = `if mask[i] {
continue
}
`
genericArgmaxVarDeclRaw = `var set bool
var f {{asType .Kind}}
var {{.ArgX | lower}} int
`
)
// renamed
const (
vvLoopRaw = genericLoopRaw
vvIncrLoopRaw = genericLoopRaw
vvIterLoopRaw = genericBinaryIterLoopRaw
vvIterIncrLoopRaw = genericTernaryIterLoopRaw
mixedLoopRaw = genericLoopRaw
mixedIncrLoopRaw = genericLoopRaw
mixedIterLoopRaw = genericUnaryIterLoopRaw
mixedIterIncrLoopRaw = genericBinaryIterLoopRaw
)
var genericArgmaxVarDecl *template.Template
func init() {
genericArgmaxVarDecl = template.Must(template.New("genericArgmaxVarDecl").Funcs(funcs).Parse(genericArgmaxVarDeclRaw))
}
|
