func (IntString) CognizeString(eye *be.Eye, v interface{}) {
i, err := strconv.Atoi(v.(string))
if err != nil {
panic(err)
}
eye.Show("Int", i)
}
func (IgnoreValves) CognizeCircuit(eye *be.Eye, v interface{}) {
u := v.(Circuit).Copy()
n := u.Unify("ignoreValves")
u.Gate[n] = NewVerbAddress("*", "Ignore")
u.Reflow(Super, n)
eye.Show(DefaultValve, u)
}
func depthFirst(eye *be.Eye, walk []Name, v interface{}) {
x, ok := v.(Circuit)
if !ok {
return
}
for _, n := range x.SortedNames() {
switch n.(type) { // skip non alpha-numeric names
case int, string:
v := x.At(n)
depthFirst(eye, append(walk, n), v)
}
}
var nm Name = "" // The root circuit is shown with the empty name
if len(walk) > 0 {
nm = walk[len(walk)-1]
}
frame := New().
Grow("Address", Circuit(NewAddress(walk...))).
Grow("Name", nm).
Grow("View", x)
eye.Show("Frame", frame)
if len(walk) == 0 {
eye.Show("End", v)
}
}
func (LookPath) CognizeName(eye *be.Eye, value interface{}) {
p, err := exec.LookPath(value.(string))
if err != nil {
log.Fatalf("no file path to %s", value.(string))
}
eye.Show(DefaultValve, p)
}
func (Join) CognizeView(eye *be.Eye, v interface{}) {
u := v.(Circuit)
var s []string
for _, n := range u.SortedNames() {
s = append(s, u.Gate[n].(string))
}
eye.Show(DefaultValve, path.Join(s...))
}
func (g *Lens) OverCognize(eye *be.Eye, valve Name, value interface{}) {
g.remember(valve, value)
for _, v := range g.valve {
if v != valve {
eye.Show(v, value)
}
}
}
func (Merge) CognizeIn(eye *be.Eye, v interface{}) {
var w bytes.Buffer
x := v.(Circuit)
for _, name := range x.SortedLetters() {
w.WriteString(flatten(x.StringAt(name)))
}
eye.Show("Out", w.String())
}
func (Gates) Cognize(eye *be.Eye, value interface{}) {
u := value.(Circuit)
for name, _ := range u.SortedNames() {
frame := New()
frame.Grow("Name", name).Grow("Value", u.At(name))
eye.Show("Frame", frame)
}
eye.Show("End", value)
}
func (Process) CognizeCommand(eye *be.Eye, dvalue interface{}) {
x := New()
if exit := spawnProcess(eye, cognizeCommand(dvalue)); exit != nil {
x.Grow("Exit", 1)
eye.Show("Exit", x)
} else {
x.Grow("Exit", 0)
eye.Show("Exit", x)
}
}
func (Parse) CognizeText(eye *be.Eye, v interface{}) {
src := a.NewSrcString(plumb.AsString(v))
for {
v := see.SeeChamber(src)
if v == nil {
break
}
eye.Show("Value", v)
}
}
func (Chunk) CognizeReader(eye *be.Eye, v interface{}) {
r := kio.NewChunkReader(v.(io.Reader))
for {
chunk, err := r.Read()
if err != nil {
return
}
eye.Show("Chunk", chunk)
}
}
func (Lookup) CognizeView(eye *be.Eye, v interface{}) {
u := v.(Circuit)
x := u.CircuitAt("Index")
addr := u.VerbAt("Address")
r := be.AsIndex(x).Recall(addr.Address()...)
if r == nil {
eye.Show("NotFound", New().Grow("NotFound", Circuit(addr)).Grow("In", x))
} else {
eye.Show("Found", r)
}
}
func (s *Star) OverCognize(eye *be.Eye, name Name, value interface{}) {
if s.f != nil {
s.f(name, value)
}
for gn_, _ := range s.view.Gate {
gn := gn_
if gn == name {
continue
}
go eye.Show(gn, value)
}
}
func (Index) Spark(eye *be.Eye, matter Circuit, aux ...interface{}) Value {
index, view := matter.CircuitAt("Index"), matter.CircuitAt("View")
go func() {
for vlv, _ := range view.Gate {
eye.Show(vlv, index)
}
}()
if view.Len() == 0 {
return index
}
return nil
}
func (SourceFile) Spark(eye *be.Eye, _ Circuit, aux ...interface{}) Value {
go func() {
name := aux[0].(string)
file, err := os.Open(name)
if err != nil {
log.Printf("Problem opening file %q (%v)", name, err)
panic("open file")
}
eye.Show(DefaultValve, file)
}()
return nil
}
func (Form) CognizeIn(eye *be.Eye, v interface{}) {
td := v.(Circuit)
t, err := template.New("").Parse(td.StringAt("Form"))
if err != nil {
panic(err)
}
var w bytes.Buffer
if err = t.Execute(&w, td.CircuitAt("Data")); err != nil {
panic(err)
}
eye.Show("Out", w.String())
}
func yieldIndex(eye *be.Eye, x Circuit, path []Name) {
for _, n := range x.SortedNames() {
switch t := x.At(n).(type) {
case Circuit:
if t.Vol() == 0 { // circuits without flow are treated as indices and recursed into
yieldIndex(eye, t, append(path, n))
} else {
eye.Show(DefaultValve, New().Grow("Value", t).Grow("Address", NewAddress(path...)))
}
default:
eye.Show(DefaultValve, New().Grow("Value", t).Grow("Address", NewAddress(path...)))
}
}
}
func (a *Alternate) OverCognize(eye *be.Eye, valve Name, value interface{}) {
switch valve.(string) {
case "SX":
a.flow[0] <- struct{}{} // obtain token to send
eye.Show("TX", value)
<-a.flow[1] // grant token to other side
case "SY":
a.flow[1] <- struct{}{} // obtain token to send
eye.Show("TY", value)
<-a.flow[0] // grant token to other side
case "TX", "TY":
default:
panic("invalid valve name on alternation gate")
}
}
func (h *WriteFile) CognizeContent(eye *be.Eye, v interface{}) {
<-h.named
switch t := v.(type) {
case string:
ioutil.WriteFile(h.name, []byte(t), 0644)
case []byte:
ioutil.WriteFile(h.name, t, 0644)
case io.Reader:
var w bytes.Buffer
io.Copy(&w, t)
ioutil.WriteFile(h.name, w.Bytes(), 0644)
default:
panic("eh?")
}
eye.Show("Ready", 1)
}
func (Flows) Cognize(eye *be.Eye, value interface{}) {
u := value.(Circuit)
for xname, xview := range u.Flow {
for xvalve, xvec := range xview {
yname, yvalve := xvec.Gate, xvec.Valve
//
xvalue, yvalue := sanitizeValue(u, xname), sanitizeValue(u, yname)
//
frame := New()
xy := New().Grow("Name", xname).Grow("Value", xvalue).Grow("Valve", xvalve)
yx := New().Grow("Name", xname).Grow("Value", yvalue).Grow("Valve", yvalve)
frame.Grow(0, xy).Grow(1, yx)
eye.Show("Frame", frame)
}
}
eye.Show("End", value)
}
func spawnProcess(eye *be.Eye, cmd *exec.Cmd) (err error) {
var stdin io.WriteCloser
var stdout io.ReadCloser
var stderr io.ReadCloser
stdin, err = cmd.StdinPipe()
if err != nil {
panic(err)
}
stdout, err = cmd.StdoutPipe()
if err != nil {
panic(err)
}
stderr, err = cmd.StderrPipe()
if err != nil {
panic(err)
}
if err = cmd.Start(); err != nil {
log.Fatalf("Problem starting %s (%v)", cmd.Path, err)
return err
}
// We cannot call cmd.Wait before all std streams have been closed.
stdClose := make(chan struct{}, 3)
stdin = kio.RunOnCloseWriter(stdin, func() { stdClose <- struct{}{} })
stdout = kio.RunOnCloseReader(stdout, func() { stdClose <- struct{}{} })
stderr = kio.RunOnCloseReader(stderr, func() { stdClose <- struct{}{} })
g := New().
Grow("Stdin", stdin).
Grow("Stdout", stdout).
Grow("Stderr", stderr)
// log.Printf("os process io (%v)", Linearize(fmt.Sprintf("%v", when)))
eye.Show("IO", g)
<-stdClose
<-stdClose
<-stdClose
// log.Printf("os process waiting (%v)", Linearize(fmt.Sprintf("%v", when)))
err = cmd.Wait()
switch err.(type) {
case nil, *exec.ExitError:
default:
panic(err)
}
// log.Printf("os process exit (%v)", Linearize(fmt.Sprintf("%v", when)))
return err
}
func (s *IntSum) fire(eye *be.Eye, v1, v2 string, u1, u2 int) {
var wg sync.WaitGroup
defer wg.Wait()
wg.Add(2)
go func() {
defer func() {
recover()
}()
defer wg.Done()
eye.Show(v1, u1)
}()
go func() {
defer func() {
recover()
}()
defer wg.Done()
eye.Show(v2, u2)
}()
}
func (m *Match) OverCognize(eye *be.Eye, name Name, v interface{}) {
// compute valve index
var i int
for j, n := range m.name {
if Same(n, name) {
i = j
break
}
}
// match
select {
case u := <-m.flow[1-i]: // if the opposing channel is ready
if !Same(u, v) {
log.Fatalf("mismatch %v vs %v: %v vs %v\n", m.name[1-i], name, u, v)
}
eye.Show(DefaultValve, v) // emit the matched object
default: // otherwise, offer our value
m.flow[i] <- v
}
}
func (Exec) CognizeIn(eye *be.Eye, v interface{}) {
x := v.(Circuit)
//
addr := Verb(x.CircuitAt("Address").Copy())
addr.Gate[""] = "*"
cmd := exec.Command(os.Args[0], "-src", srcDir, addr.String())
var success bool
if err := cmd.Run(); err != nil {
fmt.Printf("- Test %v (%v)\n", addr, err)
success = false
} else {
fmt.Printf("+ Test %v (ok)\n", addr)
success = true
}
r := New().
Grow("Verb", Circuit(addr)).
Grow("Result", success)
eye.Show("Out", r)
}
func (Filter) CognizeIn(eye *be.Eye, v interface{}) {
x := v.(Circuit)
//
name_, view := x.NameAt("Name"), x.CircuitAt("View")
name, ok := name_.(string)
if !ok {
return
}
if !strings.HasPrefix(name, "Test") {
return
}
sfx := name[len("Test"):]
if len(sfx) == 0 || !unicode.IsUpper(rune(sfx[0])) {
return
}
y := New().
Grow("Address", x.CircuitAt("Address")).
Grow("Name", name).
Grow("View", view)
eye.Show("Out", y)
}
func (g *Grow) fire(eye *be.Eye) {
if g.u.Len() != 3 {
return
}
eye.Show("", g.u.CircuitAt("Img").Copy().ReGrow(g.u.At("Key"), g.u.At("Value")))
}
func (Polar) CognizePolar(eye *be.Eye, v interface{}) {
x := v.(Circuit)
eye.Show("Complex", cmplx.Rect(x.FloatAt("R"), x.FloatAt("Theta")))
}
func (Polar) CognizeComplex(eye *be.Eye, v interface{}) {
r, theta := cmplx.Polar(v.(complex128))
eye.Show("Polar", New().Grow("R", r).Grow("Theta", theta))
}
func (Planar) CognizePlanar(eye *be.Eye, v interface{}) {
x := v.(Circuit)
eye.Show("Complex", complex(x.FloatAt("X"), x.FloatAt("Y")))
}
func (Planar) CognizeComplex(eye *be.Eye, v interface{}) {
eye.Show("Planar", New().Grow("X", real(v.(complex128))).Grow("Y", imag(v.(complex128))))
}