private void MkCreateSpecMachineMethod(string machineName)
{
var fields = new List <SyntaxNode>();
//create machine
fields.Add(
generator.LocalDeclarationStatement(
generator.IdentifierName("var"),
"machine",
generator.ObjectCreationExpression(
generator.IdentifierName(machineName),
new List <SyntaxNode> {
generator.IdentifierName("application")
})));
//log
fields.Add(CSharpHelper.MkCSharpTrace($"<CreateLog> Created spec Machine {machineName}"));
fields.AddRange(allMachines[machineName].observesEvents.Select(x => CSharpHelper.MkCSharpInvocationExpression(CSharpHelper.MkCSharpDot("machine", "observes", "Add"), GetEventVar(x))));
var prtvalueNull =
(ExpressionSyntax)generator.MemberAccessExpression(IdentifierName("PrtEventValue"), IdentifierName("@null"));
//execute the entry function of the machine
fields.Add(
CSharpHelper.MkCSharpInvocationExpression(
CSharpHelper.MkCSharpDot("machine", "PrtEnqueueEvent"),
prtvalueNull,
prtvalueNull,
LiteralExpression(SyntaxKind.NullLiteralExpression)));
//return machine;
fields.Add(generator.ReturnStatement(generator.IdentifierName("machine")));
var methodPars = new[] { generator.ParameterDeclaration("application", generator.IdentifierName("StateImpl")) };
SyntaxNode makeCreateSpecDecl = generator.MethodDeclaration(
$"CreateSpecMachine_{machineName}",
methodPars,
null,
IdentifierName("PrtSpecMachine"),
Accessibility.Public,
DeclarationModifiers.Static,
fields);
members.Add(makeCreateSpecDecl);
}
private void MkCreateRealMachineMethod(string machineName)
{
var fields = new List <SyntaxNode>();
//create machine
MachineInfo machineInfo = allMachines[machineName];
//There are three cases:
//- default (no constraint on queue size): maxQueueSizeAssumed == false; maxQueueSize = default (10?)
//- assume <maxQueueSize>: maxQueueSize > 0, maxQueueSizeAssumed == true;
//- assert <maxQueueSize>: maxQueueSize > 0, maxQueueSizeAssumed == false;
if (machineInfo.maxQueueSize > 0)
{
fields.Add(
generator.LocalDeclarationStatement(
generator.IdentifierName("var"),
"machine",
generator.ObjectCreationExpression(
generator.IdentifierName(machineName),
new List <SyntaxNode>
{
generator.IdentifierName("application"),
generator.LiteralExpression(machineInfo.maxQueueSize),
generator.LiteralExpression(machineInfo.maxQueueSizeAssumed)
})));
}
else
{
fields.Add(
generator.LocalDeclarationStatement(
generator.IdentifierName("var"),
"machine",
generator.ObjectCreationExpression(
generator.IdentifierName(machineName),
new List <SyntaxNode>
{
generator.IdentifierName("application"),
MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
IdentifierName("PrtImplMachine"),
IdentifierName("DefaultMaxBufferSize")),
generator.LiteralExpression(machineInfo.maxQueueSizeAssumed)
})));
}
// log
fields.Add(
CSharpHelper.MkCSharpTrace(
$"<CreateLog> Created Machine {machineName}-{{0}}",
CSharpHelper.MkCSharpDot("machine", "instanceNumber")));
//initialize the permission set for self
if (allMachines[machineName].receiveSet == null)
{
fields.Add(
CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
CSharpHelper.MkCSharpDot(IdentifierName("machine"), "self", "permissions"),
LiteralExpression(SyntaxKind.NullLiteralExpression)));
}
else
{
fields.AddRange(
allMachines[machineName].receiveSet.Select(
ev => CSharpHelper.MkCSharpInvocationExpression(
CSharpHelper.MkCSharpDot(IdentifierName("machine"), "self", "permissions", "Add"),
GetEventVar(ev))));
}
//initialize the send set
if (allMachines[machineName].sendsSet == null)
{
fields.Add(
CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
CSharpHelper.MkCSharpDot(IdentifierName("machine"), "sends"),
LiteralExpression(SyntaxKind.NullLiteralExpression)));
}
else
{
fields.AddRange(
allMachines[machineName].sendsSet.Select(
ev => CSharpHelper.MkCSharpInvocationExpression(
CSharpHelper.MkCSharpDot(IdentifierName("machine"), "sends", "Add"),
GetEventVar(ev))));
}
//machine.currentPayload = payload;
fields.Add(
CSharpHelper.MkCSharpSimpleAssignmentExpressionStatement(
CSharpHelper.MkCSharpDot("machine", "currentPayload"),
IdentifierName("payload")));
//return machine;
fields.Add(generator.ReturnStatement(generator.IdentifierName("machine")));
var methodPars = new[]
{
generator.ParameterDeclaration("application", generator.IdentifierName("StateImpl")),
generator.ParameterDeclaration("payload", generator.IdentifierName("PrtValue"))
};
SyntaxNode makeCreateMachineDecl = generator.MethodDeclaration(
$"CreateMachine_{machineName}",
methodPars,
null, // type parameters
generator.IdentifierName("PrtImplMachine"),
Accessibility.Public,
DeclarationModifiers.Static,
fields);
members.Add(makeCreateMachineDecl);
}
