public override void Visit(ProgramNode node)
{
var visitor1 = new NestedUseVisitor1();
node.Accept(visitor1);
var visitor2 = new NestedUseVisitor2(visitor1.DeclToFunction);
node.Accept(visitor2);
}
public ProgramNode CheckSemantic(ProgramNode node, IScope scope, ICollection <string> errors)
{
this.scope = scope;
this.errors = errors;
node.Accept(this);
return(node);
}
/// <summary>
/// Return all function definitions contained in this program AST.
/// </summary>
internal static IReadOnlyCollection <FunctionDefinitionNode> GetAllFunctionDefinitions(
this ProgramNode node)
{
var visitor = new FunctionSplitterVisitor();
node.Accept(visitor);
return(visitor.Functions);
}
public ProgramNode Optimize(ProgramNode node, IScope scope)
{
Scope = scope;
node.Accept(this);
return(node);
}
public TinyProgram Compile(ProgramNode programNode)
{
_parts = new Dictionary <AstNode, object>();
_variables = new Dictionary <char, int>();
_loader = (name, value) => _variables[name] = value;
programNode.Accept(this);
var variableList = _variables.Keys.ToList();
Func <int> runner = (Func <int>)_parts[programNode.Program];
return(new TinyProgram(variableList,
_loader,
runner));
}
public List <ThreeCode> GetIntermediateCode(ProgramNode node, IScope scope)
{
Scope = scope;
IC = new List <ThreeCode>();
VariableManager = new VariableManager();
VirtualTable = new VirtualTable(scope);
VariableManager.PushVariableCounter();
InitCode();
VariableManager.PopVariableCounter();
node.Accept(this);
VariableManager.PushVariableCounter();
StartFunctionCode();
VariableManager.PopVariableCounter();
return(IC);
}
public List <CodeLine> GetIntermediateCode(ProgramNode node, IScope scope)
{
Scope = scope;
node = (new OptimizationTour()).Optimize(node, scope);
IC = new List <CodeLine>();
VariableManager = new VariableManager();
VirtualTable = new VirtualTable(scope);
VariableManager.PushVariableCounter();
InitCode();
VariableManager.PopVariableCounter();
node.Accept(this);
VariableManager.PushVariableCounter();
StartFunctionCode();
VariableManager.PopVariableCounter();
return(IC);
}
public List <CodeLine> GetIntermediateCode(ProgramNode node, IScope scope)
{
Scope = scope;
Code = new List <CodeLine>();
VariableManager = new VariableManager();
ClassManager = new ClassManager(scope);
VariableManager.PushVariableCounter();
InitCode();
VariableManager.PopVariableCounter();
node.Accept(this);
VariableManager.PushVariableCounter();
StepOne();
VariableManager.PopVariableCounter();
return(Code);
}
/// <summary>
/// Names of all variables must be resolved before use of this visitor.
/// </summary>
/// <param name="node">Root of AST tree</param>
internal static void FillInNestedUseFlag(this ProgramNode node)
{
node.Accept(new NestedUseVisitor());
}