public void channel(STEntry entry) {
IDeclarationContainer container = findEnclosingDelcarationContainer();
if (currentCode instanceof Component) { // Usual case
if (entry.getType() instanceof ChannelType) {
((IComponent) currentCode).addChannel(entry.getName(), (ChannelType) entry.getType());
} else if (entry.getType() instanceof InterfaceType) {
((IComponent) currentCode).addInterface(entry.getName(), (InterfaceType) entry.getType());
} else {
throw new RuntimeException(
"unknown type encountered in channel definition"
+ entry.getType().getClass().getName());
}
} else if (container instanceof Component) {
if (entry.getType() instanceof ChannelType) {
((IComponent) container).addChannel(entry.getName(), (ChannelType) entry.getType());
} else if (entry.getType() instanceof InterfaceType) {
((IComponent) container).addInterface(entry.getName(), (InterfaceType) entry.getType());
} else {
throw new RuntimeException(
"unknown type encountered in channel definition"
+ entry.getType().getClass().getName());
}
} else if (currentCode
instanceof
CompilationUnit) { // this is a top level interface definition - no code generation needed
// do nothing
} else { // error situation
throw new RuntimeException(
"unknown context for channel definition" + currentCode.getClass().getName());
}
}
public void addIncludeToCurrentContext(String s) {
// look back the stack until we find a CompilationUnit or a Component
ICode thisone = null;
// not sure if needed
thisone = currentCode;
if (thisone instanceof Component) {
((IComponent) thisone)
.addExternalIncludes(Code.HASH_INCLUDE_ + Code.DQUOTE + s + Code.DQUOTE);
return;
} else if (thisone instanceof CompilationUnit) {
((ICompilationUnit) thisone)
.addExternalInclude(Code.HASH_INCLUDE_ + Code.DQUOTE + s + Code.DQUOTE);
// System.out.println("adding '" + s + "' to " + ((ICompilationUnit) thisone ));
return;
}
int lastIndex = bodyStack.size() - 1;
for (int i = lastIndex; i > 0; i--) {
thisone = bodyStack.get(i);
if (thisone instanceof StructDeclaration) {
((StructDeclaration) thisone)
.addExternalIncludes(Code.HASH_INCLUDE_ + Code.DQUOTE + s + Code.DQUOTE);
return;
} else if (thisone instanceof Component) {
((IComponent) thisone)
.addExternalIncludes(Code.HASH_INCLUDE_ + Code.DQUOTE + s + Code.DQUOTE);
return;
} else if (thisone instanceof CompilationUnit) {
((ICompilationUnit) thisone)
.addExternalInclude(Code.HASH_INCLUDE_ + Code.DQUOTE + s + Code.DQUOTE);
return;
}
}
throw new RuntimeException("Didn't find Compilation Unit or Component when adding includes");
}
public IBehaviour behaviourBody() {
Behaviour newbody = new Behaviour(findEnclosingDelcarationContainer());
if (currentCode instanceof IComponent) { // may not be if an error has occurred
((IComponent) currentCode).addBehaviour(newbody);
newCodeBody(newbody);
}
return newbody;
}
// JL should we rename addhoistedCodeToCurrentContext to ...ComponentContext
// or add further contexts here?
public void addHoistedCodeToComponentContext(String s) {
// look back the stack until we find a Component
int lastIndex = bodyStack.size() - 1;
for (int i = lastIndex; i > 0; i--) {
ICode thisone = bodyStack.get(i);
if (thisone instanceof Component) {
((IComponent) thisone).addHoistedCode(s);
return;
}
}
throw new RuntimeException("Didn't find Component when adding hoisted code");
}
public ICode constructorBody(FunctionType ft, List<String> names, int scope_level) {
IConstructor newbody =
new Constructor(
((IProcedureContainer) findEnclosingDelcarationContainer()),
ft,
names,
findEnclosingDelcarationContainer(),
scope_level);
if (currentCode instanceof IComponent) { // it may not be if an error has occurred.
((IComponent) currentCode).addConstructor(newbody);
newCodeBody(newbody);
}
return newbody;
}
// JL should we look back on stack for next valid context for code hoisting e.g.
// hoisting makes sense for ?expression?, procedure, behaviour, component, sequence ...
public void addHoistedCodeToCurrentContext(String s) {
// look back the stack until we find valid context for hoisting
int lastIndex = bodyStack.size() - 1;
for (int i = lastIndex; i >= 0; i--) {
ICode thisone = bodyStack.get(i);
if (thisone instanceof Sequence) {
((ISequence) thisone).addHoistedCode(s);
return;
} else if (thisone instanceof Function) {
((IFunction) thisone).addHoistedCode(s);
return;
} else if (thisone instanceof Behaviour) {
((IBehaviour) thisone).addHoistedCode(s);
return;
} else if (thisone instanceof Component) {
((IComponent) thisone).addHoistedCode(s);
return;
}
}
throw new RuntimeException("Didn't find suitable context for code hoisting");
}