private static FunctionDeclaration DetermineEntryPoint(
FixedList <Declaration> declarations,
Diagnostics diagnostics)
{
var mainFunctions = declarations.OfType <FunctionDeclaration>()
.Where(f => f.FullName.UnqualifiedName.Text == "main" && !f.FullName.UnqualifiedName.IsSpecial)
.ToList();
// TODO warn on and remove main functions that don't have correct parameters or types
// TODO compiler error on multiple main functions
return(mainFunctions.SingleOrDefault());
}
private static FunctionIL DetermineEntryPoint(
FixedList <DeclarationIL> declarations,
Diagnostics diagnostics)
{
var mainFunctions = declarations.OfType <FunctionIL>()
.Where(f => f.Symbol.Name == "main")
.ToList();
// TODO warn on and remove main functions that don't have correct parameters or types
_ = diagnostics;
// TODO compiler error on multiple main functions
return(mainFunctions.SingleOrDefault());
}
public static void Transform(
FixedList <MemberDeclarationSyntax> memberDeclarations,
FixedDictionary <FunctionDeclarationSyntax, LiveVariables> liveness)
{
var inserter = new DeleteInserter();
foreach (var function in memberDeclarations.OfType <FunctionDeclarationSyntax>())
{
if (liveness.TryGetValue(function, out var functionLiveness))
{
inserter.Transform(function, functionLiveness);
}
}
}
public static FixedDictionary <FunctionDeclarationSyntax, LiveVariables> Analyze(FixedList <MemberDeclarationSyntax> memberDeclarations)
{
var analyses = new Dictionary <FunctionDeclarationSyntax, LiveVariables>();
var livenessAnalyzer = new LivenessAnalyzer();
foreach (var function in memberDeclarations.OfType <FunctionDeclarationSyntax>())
{
var liveness = livenessAnalyzer.AnalyzeFunction(function);
if (liveness != null)
{
analyses.Add(function, liveness);
}
}
return(analyses.ToFixedDictionary());
}
