func (l *library) AddNewObject(tree tr.TreeIf, cursor tr.Cursor, obj tr.TreeElementIf) (newCursor tr.Cursor, err error) {
if obj == nil {
err = fmt.Errorf("library.AddNewObject error: nil object")
return
}
switch obj.(type) {
case bh.SignalTypeIf:
t := obj.(bh.SignalTypeIf)
ok := l.AddSignalType(t)
if !ok {
err = fmt.Errorf("library.AddNewObject warning: duplicate")
return
}
cursor.Position = len(l.SignalTypes()) - 1
newCursor = tree.Insert(cursor)
t.AddToTree(tree, newCursor)
case bh.NodeTypeIf:
t := obj.(bh.NodeTypeIf)
err = l.AddNodeType(t)
if err != nil {
err = fmt.Errorf("library.AddNewObject error: AddNodeType failed: %s", err)
return
}
newCursor = tree.Insert(cursor)
t.AddToTree(tree, newCursor)
default:
log.Fatalf("library.AddNewObject error: invalid type %T\n", obj)
}
return
}
func (s *signalGraph) RemoveFromTree(tree tr.TreeIf) {
gt := s.ItsType()
tree.Remove(tree.Cursor(s))
for len(gt.Nodes()) > 0 {
gt.RemoveNode(gt.Nodes()[0].(*node))
}
}
func (a *arch) AddNewObject(tree tr.TreeIf, cursor tr.Cursor, obj tr.TreeElementIf) (newCursor tr.Cursor, err error) {
if obj == nil {
err = fmt.Errorf("arch.AddNewObject error: nil object")
return
}
switch obj.(type) {
case pf.IOTypeIf:
t := obj.(pf.IOTypeIf)
_, ok := a.iotypes.Find(t.Name())
if ok {
err = fmt.Errorf("arch.AddNewObject warning: duplicate ioType name %s (abort)\n", t.Name())
return
}
a.iotypes.Append(t.(*iotype))
cursor.Position = len(a.IOTypes()) - 1
newCursor = tree.Insert(cursor)
t.AddToTree(tree, newCursor)
case pf.ProcessIf:
p := obj.(pf.ProcessIf)
_, ok := a.processes.Find(p.Name())
if ok {
err = fmt.Errorf("arch.AddNewObject warning: duplicate process name %s (abort)\n", p.Name())
return
}
a.processes.Append(p.(*process))
newCursor = tree.Insert(cursor)
p.AddToTree(tree, newCursor)
//log.Printf("arch.AddNewObject: successfully added process %v\n", p)
default:
log.Fatalf("arch.AddNewObject error: invalid type %T\n", obj)
}
return
}
func (p *port) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var prop tr.Property
parentId := tree.Parent(cursor)
if tree.Property(parentId).IsReadOnly() {
prop = freesp.PropertyNew(false, false, false)
} else {
prop = freesp.PropertyNew(true, false, false)
}
var kind tr.Symbol
if p.Direction() == gr.InPort {
kind = tr.SymbolInputPort
} else {
kind = tr.SymbolOutputPort
}
err := tree.AddEntry(cursor, kind, p.Name(), p, prop)
if err != nil {
log.Fatalf("port.AddToTree: FilesTreeStore.AddEntry() failed: %s\n", err)
}
child := tree.Append(cursor)
t := p.SignalType()
t.AddToTree(tree, child)
for _, c := range p.Connections() {
child = tree.Append(cursor)
p.Connection(c).AddToTree(tree, child)
}
return
}
func (t *iotype) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
prop := freesp.PropertyNew(true, true, true)
err := tree.AddEntry(cursor, tr.SymbolIOType, t.Name(), t, prop)
if err != nil {
log.Fatalf("iotype.AddToTree error: AddEntry failed: %s\n", err)
}
}
func (t *signalGraph) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
prop := freesp.PropertyNew(true, false, false)
err := tree.AddEntry(cursor, tr.SymbolSignalGraph, t.Filename(), t, prop)
if err != nil {
log.Fatal("LibraryIf.AddToTree error: AddEntry failed: %s", err)
}
t.ItsType().AddToTree(tree, cursor)
}
func (c *connection) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
text := fmt.Sprintf("%s/%s -> %s/%s", c.from.Node().Name(), c.from.Name(),
c.to.Node().Name(), c.to.Name())
prop := freesp.PropertyNew(false, false, true)
err := tree.AddEntry(cursor, tr.SymbolConnection, text, c, prop)
if err != nil {
log.Fatalf("connection.AddToTree error: AddEntry failed: %s\n", err)
}
}
func (p *port) treeAddNewObject(tree tr.TreeIf, cursor tr.Cursor, conn bh.ConnectionIf, otherPort bh.PortIf) (newCursor tr.Cursor) {
newCursor = tree.Insert(cursor)
conn.AddToTree(tree, newCursor)
contextCursor := tree.Parent(tree.Parent(cursor))
cCursor := tree.CursorAt(contextCursor, otherPort)
cChild := tree.Append(cCursor)
conn.AddToTree(tree, cChild)
return
}
func (m *mapelem) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var s tr.Symbol
if m.process == nil {
s = tr.SymbolUnmapped
} else {
s = tr.SymbolMapped
}
err := tree.AddEntry(cursor, s, m.nodeId.String(), m, freesp.MayEdit)
if err != nil {
log.Fatalf("mapping.AddToTree error: AddEntry failed: %s\n", err)
}
}
func (c *channel) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var symbol tr.Symbol
if c.Direction() == gr.InPort {
symbol = tr.SymbolInChannel
} else {
symbol = tr.SymbolOutChannel
}
prop := freesp.PropertyNew(true, true, true)
err := tree.AddEntry(cursor, symbol, c.Name(), c, prop)
if err != nil {
log.Fatalf("channel.AddToTree error: AddEntry failed: %s\n", err)
}
}
func (n *node) RemoveObject(tree tr.TreeIf, cursor tr.Cursor) (removed []tr.IdWithObject) {
parentId := tree.Parent(cursor)
if n != tree.Object(parentId) {
log.Fatal("node.RemoveObject error: not removing child of mine.")
}
nt := n.ItsType()
obj := tree.Object(cursor)
switch obj.(type) {
case bh.PortIf:
p := obj.(bh.PortIf)
for index, c := range p.Connections() {
conn := p.Connection(c)
removed = append(removed, tr.IdWithObject{cursor.Path, index, conn})
}
var list portTypeList
if p.Direction() == gr.InPort {
list = nt.(*nodeType).inPorts
} else {
list = nt.(*nodeType).outPorts
}
_, ok, index := list.Find(p.Name())
if !ok {
log.Println("node.RemoveObject: saving removed port", p)
removed = append(removed, tr.IdWithObject{parentId.Path, index, obj})
}
tree.Remove(cursor)
default:
log.Fatal("bh.NodeIf.RemoveObject error: invalid type %T", obj)
}
return
}
func (n *node) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var prop tr.Property
if isParentReadOnly(tree, cursor) {
prop = freesp.PropertyNew(false, false, false)
} else {
prop = freesp.PropertyNew(true, true, true)
}
var image tr.Symbol
if len(n.InPorts()) == 0 {
image = tr.SymbolInputNode
} else if len(n.OutPorts()) == 0 {
image = tr.SymbolOutputNode
} else {
image = tr.SymbolProcessingNode
}
err := tree.AddEntry(cursor, image, n.Name(), n, prop)
if err != nil {
log.Fatalf("node.AddToTree error: AddEntry failed: %s\n", err)
}
child := tree.Append(cursor)
n.ItsType().AddToTree(tree, child)
for _, p := range n.InPorts() {
child := tree.Append(cursor)
p.AddToTree(tree, child)
}
for _, p := range n.OutPorts() {
child := tree.Append(cursor)
p.AddToTree(tree, child)
}
}
func (t *nodeType) RemoveObject(tree tr.TreeIf, cursor tr.Cursor) (removed []tr.IdWithObject) {
parentId := tree.Parent(cursor)
if t != tree.Object(parentId) {
log.Fatal("nodeType.RemoveObject error: not removing child of mine.")
}
obj := tree.Object(cursor)
del := t.treeRemoveObject(tree, cursor)
for _, d := range del {
removed = append(removed, d)
}
del = t.treeRemoveInstObject(tree, cursor)
for _, d := range del {
removed = append(removed, d)
}
prefix, index := tree.Remove(cursor)
removed = append(removed, tr.IdWithObject{prefix, index, obj})
switch obj.(type) {
case bh.ImplementationIf:
impl := obj.(bh.ImplementationIf)
// Remove obj in freesp model
t.RemoveImplementation(impl)
case bh.PortTypeIf:
nt := obj.(bh.PortTypeIf)
t.RemoveNamedPortType(nt)
default:
log.Fatalf("nodeType.RemoveObject error: invalid type %T\n", obj)
}
return
}
func (t *nodeType) treeNewObject(tree tr.TreeIf, cursor tr.Cursor, obj tr.TreeElementIf) (newCursor tr.Cursor) {
switch obj.(type) {
case bh.ImplementationIf:
cursor.Position = len(t.Implementation()) - 1
newCursor = tree.Insert(cursor)
obj.(bh.ImplementationIf).AddToTree(tree, newCursor)
case bh.PortTypeIf:
pt := obj.(bh.PortTypeIf)
newCursor = tree.Insert(cursor)
pt.AddToTree(tree, newCursor)
for _, impl := range t.Implementation() {
if impl.ImplementationType() == bh.NodeTypeGraph {
// bh.NodeIf linked to outer port
g := impl.Graph().(*signalGraphType)
var n bh.NodeIf
index := -len(t.Implementation())
if pt.Direction() == gr.InPort {
n = g.findInputNodeFromPortType(pt)
if cursor.Position == tr.AppendCursor {
index += len(g.InputNodes())
}
} else {
n = g.findOutputNodeFromPortType(pt)
if cursor.Position == tr.AppendCursor {
index += len(g.InputNodes()) + len(g.OutputNodes())
}
}
if n == nil {
log.Fatalf("nodeType.AddNewObject error: invalid implementation...\n")
}
if cursor.Position != tr.AppendCursor {
index += cursor.Position
}
gCursor := tree.CursorAt(cursor, impl)
gCursor.Position = index
n.AddToTree(tree, tree.Insert(gCursor))
}
}
default:
log.Fatalf("nodeType.AddNewObject error: invalid type %T\n", obj)
}
return
}
func (m *mapping) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var child tr.Cursor
err := tree.AddEntry(cursor, tr.SymbolMappings, m.Filename(), m, freesp.MayAddObject)
if err != nil {
log.Fatalf("mapping.AddToTree error: AddEntry failed: %s\n", err)
}
child = tree.Append(cursor)
m.graph.AddToTree(tree, child)
child = tree.Append(cursor)
m.platform.AddToTree(tree, child)
for _, nId := range m.MappedIds() {
log.Printf("mapping.AddToTree: id=%s\n", nId.String())
melem, ok := m.MappedElement(nId)
if !ok {
log.Fatal("mapping) AddToTree internal error: inconsistent maplist")
}
child = tree.Append(cursor)
melem.AddToTree(tree, child)
}
}
func (p *portType) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var prop tr.Property
parentId := tree.Parent(cursor)
if tree.Property(parentId).IsReadOnly() {
prop = freesp.PropertyNew(false, false, false)
} else {
prop = freesp.PropertyNew(true, true, true)
}
var kind tr.Symbol
if p.Direction() == gr.InPort {
kind = tr.SymbolInputPortType
} else {
kind = tr.SymbolOutputPortType
}
err := tree.AddEntry(cursor, kind, p.Name(), p, prop)
if err != nil {
log.Fatal("bh.PortTypeIf.AddToTree: FilesTreeStore.AddEntry() failed: %s\n", err)
}
child := tree.Append(cursor)
p.SignalType().AddToTree(tree, child)
}
func (t *signalGraphType) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
for _, n := range t.InputNodes() {
child := tree.Append(cursor)
n.AddToTree(tree, child)
}
for _, n := range t.OutputNodes() {
child := tree.Append(cursor)
n.AddToTree(tree, child)
}
for _, n := range t.ProcessingNodes() {
child := tree.Append(cursor)
n.AddToTree(tree, child)
}
}
func (p *process) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
prop := freesp.PropertyNew(true, true, true)
err := tree.AddEntry(cursor, tr.SymbolProcess, p.Name(), p, prop)
if err != nil {
log.Fatalf("process.AddToTree error: AddEntry failed: %s\n", err)
}
for _, c := range p.InChannels() {
child := tree.Append(cursor)
c.AddToTree(tree, child)
}
for _, c := range p.OutChannels() {
child := tree.Append(cursor)
c.AddToTree(tree, child)
}
}
func (l *library) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
prop := freesp.PropertyNew(true, false, false)
err := tree.AddEntry(cursor, tr.SymbolLibrary, l.Filename(), l, prop)
if err != nil {
log.Fatalf("bh.LibraryIf.AddToTree error: AddEntry failed: %s\n", err)
}
for _, t := range l.SignalTypes() {
child := tree.Append(cursor)
t.AddToTree(tree, child)
}
for _, t := range l.NodeTypes() {
child := tree.Append(cursor)
t.AddToTree(tree, child)
}
}
func (a *arch) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
//log.Printf("arch.AddToTree: %s\n", a.Name())
prop := freesp.PropertyNew(true, true, true)
err := tree.AddEntry(cursor, tr.SymbolArch, a.Name(), a, prop)
if err != nil {
log.Fatalf("arch.AddToTree error: AddEntry failed: %s", err)
}
for _, t := range a.IOTypes() {
child := tree.Append(cursor)
t.AddToTree(tree, child)
}
for _, p := range a.Processes() {
child := tree.Append(cursor)
p.AddToTree(tree, child)
}
}
func (t *signalType) AddToTree(tree tr.TreeIf, cursor tr.Cursor) {
var prop tr.Property
parentId := tree.Parent(cursor)
parent := tree.Object(parentId)
switch parent.(type) {
case bh.LibraryIf:
prop = freesp.PropertyNew(true, true, true)
case bh.PortIf, bh.PortTypeIf:
prop = freesp.PropertyNew(false, false, false)
default:
log.Fatalf("signalType.AddToTree error: invalid parent type %T\n", parent)
}
err := tree.AddEntry(cursor, tr.SymbolSignalType, t.TypeName(), t, prop)
if err != nil {
log.Fatalf("signalType.AddToTree error: AddEntry failed: %s\n", err)
}
}
func (t *signalGraphType) RemoveObject(tree tr.TreeIf, cursor tr.Cursor) (removed []tr.IdWithObject) {
obj := tree.Object(cursor)
switch obj.(type) {
case bh.NodeIf:
n := obj.(bh.NodeIf)
// Remove all connections first
for _, p := range n.OutPorts() {
for _, c := range p.Connections() {
conn := p.Connection(c)
cCursor := tree.CursorAt(cursor, conn)
del := p.RemoveObject(tree, cCursor)
for _, d := range del {
removed = append(removed, d)
}
}
}
for _, p := range n.InPorts() {
for _, c := range p.Connections() {
conn := p.Connection(c)
cCursor := tree.CursorAt(cursor, conn)
del := p.RemoveObject(tree, cCursor)
for _, d := range del {
removed = append(removed, d)
}
}
}
parentCursor := tree.Parent(cursor)
parent := tree.Object(parentCursor)
switch parent.(type) {
case bh.SignalGraphIf:
case bh.ImplementationIf:
// propagate new node to all instances of embracing type
pCursor := tree.Parent(parentCursor)
nt := tree.Object(pCursor)
for _, nn := range nt.(bh.NodeTypeIf).Instances() {
nCursor := tree.Cursor(nn)
tCursor := tree.CursorAt(nCursor, parent)
tree.Remove(tree.CursorAt(tCursor, n))
}
default:
log.Fatalf("signalGraphType.RemoveObject error: wrong parent type %t: %v\n", parent, parent)
}
prefix, index := tree.Remove(cursor)
removed = append(removed, tr.IdWithObject{prefix, index, obj})
t.RemoveNode(n)
default:
log.Fatalf("signalGraphType.RemoveObject error: wrong type %t: %v", obj, obj)
}
return
}
func (t *signalGraphType) AddNewObject(tree tr.TreeIf, cursor tr.Cursor, obj tr.TreeElementIf) (newCursor tr.Cursor, err error) {
switch obj.(type) {
case bh.NodeIf:
// TODO: Check if IO node and exists: copy position only and return
n := obj.(bh.NodeIf)
err = t.AddNode(n)
if err != nil {
err = fmt.Errorf("signalGraphType.AddNewObject error: %s", err)
nt := n.ItsType().(*nodeType)
if nt != nil {
ok, _ := nt.instances.Find(n)
if ok {
nt.instances.Remove(n)
}
}
return
}
newCursor = t.treeAddNewObject(tree, cursor, n)
parent := tree.Object(cursor)
switch parent.(type) {
case bh.SignalGraphIf:
case bh.ImplementationIf:
// propagate new node to all instances of embracing type
pCursor := tree.Parent(cursor)
nt := tree.Object(pCursor)
for _, nn := range nt.(bh.NodeTypeIf).Instances() {
nCursor := tree.Cursor(nn)
tCursor := tree.CursorAt(nCursor, parent)
tCursor.Position = cursor.Position
t.treeAddNewObject(tree, tCursor, n)
}
default:
log.Fatalf("signalGraphType.AddNewObject error: wrong parent type %T: %v\n", parent, parent)
}
case bh.ConnectionIf:
conn := obj.(bh.ConnectionIf)
var n bh.NodeIf
var p bh.PortIf
for _, n = range t.Nodes() {
if n.Name() == conn.From().Node().Name() {
nCursor := tree.CursorAt(cursor, n)
for _, p = range n.OutPorts() {
if conn.From().Name() == p.Name() {
pCursor := tree.CursorAt(nCursor, p)
return p.AddNewObject(tree, pCursor, obj)
}
}
}
}
default:
log.Fatalf("signalGraphType.AddNewObject error: wrong type %t: %v\n", obj, obj)
}
return
}
func (t *signalGraphType) treeAddNewObject(tree tr.TreeIf, cursor tr.Cursor, n bh.NodeIf) (newCursor tr.Cursor) {
newCursor = tree.Insert(cursor)
n.AddToTree(tree, newCursor)
return
}
func (m *mapping) RemoveFromTree(tree tr.TreeIf) {
tree.Remove(tree.Cursor(m))
}
func (t *nodeType) treeRemoveObject(tree tr.TreeIf, cursor tr.Cursor) (removed []tr.IdWithObject) {
parentId := tree.Parent(cursor)
if t != tree.Object(parentId) {
log.Fatal("nodeType.RemoveObject error: not removing child of mine.")
}
obj := tree.Object(cursor)
switch obj.(type) {
case bh.ImplementationIf:
impl := obj.(bh.ImplementationIf)
if impl.ImplementationType() == bh.NodeTypeGraph {
// TODO: This is redundant with implementation.go
// Simply remove all nodes? Do not traverse a modifying list...
// Removed Input- and Output nodes are NOT stored (they are
// created automatically when adding the implementation graph).
// Return all removed edges ...
for _, n := range impl.Graph().Nodes() {
nCursor := tree.Cursor(n)
for _, p := range n.OutPorts() {
pCursor := tree.CursorAt(nCursor, p)
for index, c := range p.Connections() {
conn := p.Connection(c)
removed = append(removed, tr.IdWithObject{pCursor.Path, index, conn})
}
}
}
// ... and processing nodes
for _, n := range impl.Graph().ProcessingNodes() {
nCursor := tree.Cursor(n)
gCursor := tree.Parent(nCursor)
nIndex := gCursor.Position
removed = append(removed, tr.IdWithObject{nCursor.Path, nIndex, n})
}
}
case bh.PortTypeIf:
nt := obj.(bh.PortTypeIf)
for _, impl := range t.Implementation() {
if impl.ImplementationType() == bh.NodeTypeGraph {
// Remove and store all edges connected to the nodes linked to the outer ports
g := impl.Graph().(*signalGraphType)
var n bh.NodeIf
if nt.Direction() == gr.InPort {
n = g.findInputNodeFromPortType(nt)
} else {
n = g.findOutputNodeFromPortType(nt)
}
if n == nil {
log.Fatalf("nodeType.RemoveObject error: invalid implementation...\n")
}
nCursor := tree.CursorAt(parentId, n)
for _, p := range n.InPorts() {
pCursor := tree.CursorAt(nCursor, p)
for _, c := range p.Connections() {
conn := p.Connection(c)
removed = append(removed, tr.IdWithObject{pCursor.Path, -1, conn})
}
}
for _, p := range n.OutPorts() {
pCursor := tree.CursorAt(nCursor, p)
for _, c := range p.Connections() {
conn := p.Connection(c)
removed = append(removed, tr.IdWithObject{pCursor.Path, -1, conn})
}
}
// Remove (but dont store) the nodes linked to the outer ports:
tree.Remove(nCursor)
}
}
default:
log.Fatalf("nodeType.RemoveObject error: invalid type %T\n", obj)
}
return
}
// Remove object mirrored in all instance node type
func (t *nodeType) treeRemoveInstObject(tree tr.TreeIf, cursor tr.Cursor) (removed []tr.IdWithObject) {
parentId := tree.Parent(cursor)
if t != tree.Object(parentId) {
log.Fatal("nodeType.RemoveObject error: not removing child of mine.")
}
obj := tree.Object(cursor)
switch obj.(type) {
case bh.ImplementationIf:
for _, n := range t.Instances() {
nCursor := tree.Cursor(n)
tCursor := tree.CursorAt(nCursor, t)
iCursor := tree.CursorAt(tCursor, obj)
iCursor.Position = cursor.Position
tree.Remove(iCursor)
}
case bh.PortTypeIf:
nt := obj.(bh.PortTypeIf)
for _, n := range t.Instances() {
var p bh.PortIf
var list []bh.PortIf
nCursor := tree.Cursor(n)
if nt.Direction() == gr.InPort {
list = n.InPorts()
} else {
list = n.OutPorts()
}
for _, p = range list {
if p.Name() == nt.Name() {
break
}
}
_ = p.(*port)
pCursor := tree.CursorAt(nCursor, p)
prefix, index := tree.Remove(pCursor)
removed = append(removed, tr.IdWithObject{prefix, index, p})
tCursor := tree.CursorAt(nCursor, obj)
del := t.treeRemoveObject(tree, tCursor)
for _, d := range del {
removed = append(removed, d)
}
tree.Remove(tCursor)
}
default:
log.Fatalf("nodeType.RemoveObject error: invalid type %T\n", obj)
}
return
}
func (p *port) AddNewObject(tree tr.TreeIf, cursor tr.Cursor, obj tr.TreeElementIf) (newCursor tr.Cursor, err error) {
switch obj.(type) {
case bh.ConnectionIf:
conn := obj.(bh.ConnectionIf)
var thisPort, otherPort bh.PortIf
if p.Direction() == gr.InPort {
otherPort = conn.From()
thisPort = conn.To()
} else {
otherPort = conn.To()
thisPort = conn.From()
}
if p != thisPort {
log.Println("p =", p)
log.Println("thisPort =", thisPort)
log.Fatal("port.AddNewObject error: invalid connection ", conn)
}
sgt := thisPort.Node().Context()
if sgt != otherPort.Node().Context() {
log.Fatal("port.AddNewObject error: nodes have different context: ", conn)
}
contextCursor := tree.Parent(tree.Parent(cursor))
thisPort.AddConnection(conn)
newCursor = p.treeAddNewObject(tree, cursor, conn, otherPort)
context := tree.Object(contextCursor)
switch context.(type) {
case bh.SignalGraphIf:
case bh.ImplementationIf:
// propagate new edge to all instances of embracing type
nt := tree.Object(tree.Parent(contextCursor))
for _, nn := range nt.(bh.NodeTypeIf).Instances() {
nCursor := tree.Cursor(nn)
tCursor := tree.CursorAt(nCursor, context)
pCursor := tree.CursorAt(tCursor, p)
pCursor.Position = cursor.Position
p.treeAddNewObject(tree, pCursor, conn, otherPort)
}
default:
log.Fatalf("port.AddNewObject error: wrong context type %T: %v\n", context, context)
}
default:
log.Fatalf("port.AddNewObject error: invalid type %T: %v\n", obj, obj)
}
return
}
func (p *port) RemoveObject(tree tr.TreeIf, cursor tr.Cursor) (removed []tr.IdWithObject) {
parent := tree.Parent(cursor)
if p != tree.Object(parent) {
log.Fatal("port.RemoveObject error: not removing child of mine.")
}
obj := tree.Object(cursor)
switch obj.(type) {
case bh.ConnectionIf:
conn := obj.(bh.ConnectionIf)
var thisPort, otherPort bh.PortIf
if p.Direction() == gr.InPort {
otherPort = conn.From()
thisPort = conn.To()
if p != thisPort {
log.Fatal("port.RemoveObject error: invalid connection ", conn)
}
} else {
otherPort = conn.To()
thisPort = conn.From()
if p != thisPort {
log.Fatal("port.RemoveObject error: invalid connection ", conn)
}
}
contextCursor := tree.Parent(tree.Parent(tree.Parent(cursor)))
removed = p.treeRemoveObject(tree, cursor, conn, otherPort)
context := tree.Object(contextCursor)
switch context.(type) {
case bh.SignalGraphIf:
case bh.ImplementationIf:
// propagate removed edge to all instances of embracing type
nt := tree.Object(tree.Parent(contextCursor))
for _, nn := range nt.(bh.NodeTypeIf).Instances() {
nCursor := tree.Cursor(nn)
tCursor := tree.CursorAt(nCursor, context)
pCursor := tree.CursorAt(tCursor, p)
cCursor := tree.CursorAt(pCursor, conn)
p.treeRemoveObject(tree, cCursor, conn, otherPort)
}
default:
log.Fatalf("port.RemoveObject error: wrong context type %T: %v\n", context, context)
}
p.RemoveConnection(otherPort)
otherPort.RemoveConnection(p)
default:
log.Fatalf("bh.PortIf.RemoveObject error: invalid type %T: %v\n", obj, obj)
}
return
}
func (p *port) treeRemoveObject(tree tr.TreeIf, cursor tr.Cursor, conn bh.ConnectionIf, otherPort bh.PortIf) (removed []tr.IdWithObject) {
contextCursor := tree.Parent(tree.Parent(tree.Parent(cursor)))
pCursor := tree.CursorAt(contextCursor, otherPort)
otherCursor := tree.CursorAt(pCursor, conn)
prefix, index := tree.Remove(cursor)
removed = append(removed, tr.IdWithObject{prefix, index, conn})
tree.Remove(otherCursor)
return
}