public EmitContext(MachineInfo machineInfo, Report report, CompiledFunction fdecl = null)
{
if (machineInfo == null)
{
throw new ArgumentNullException(nameof(machineInfo));
}
if (report == null)
{
throw new ArgumentNullException(nameof(report));
}
MachineInfo = machineInfo;
Report = report;
FunctionDecl = fdecl;
}
void AddStatementDeclarations(Statement statement, Block block)
{
if (statement is MultiDeclaratorStatement multi)
{
if (multi.InitDeclarators != null)
{
foreach (var idecl in multi.InitDeclarators)
{
if ((multi.Specifiers.StorageClassSpecifier & StorageClassSpecifier.Typedef) != 0)
{
if (idecl.Declarator != null)
{
var name = idecl.Declarator.DeclaredIdentifier;
//Typedefs[name] = decl;
}
}
else
{
var ctype = context.MakeCType(multi.Specifiers, idecl.Declarator, idecl.Initializer, block);
var name = idecl.Declarator.DeclaredIdentifier;
if (ctype is CFunctionType ftype && !HasStronglyBoundPointer(idecl.Declarator))
{
var nameContext = (idecl.Declarator.InnerDeclarator is IdentifierDeclarator ndecl && ndecl.Context.Count > 0) ?
string.Join("::", ndecl.Context) : "";
var f = new CompiledFunction(name, nameContext, ftype);
block.Functions.Add(f);
}
else
{
if ((ctype is CArrayType atype) &&
(atype.Length == null) &&
(idecl.Initializer != null))
{
if (idecl.Initializer is StructuredInitializer structInit)
{
var len = 0;
foreach (var i in structInit.Initializers)
{
if (i.Designation == null)
{
len++;
}
else
{
foreach (var de in i.Designation.Designators)
{
// TODO: Pay attention to designators
len++;
}
}
}
atype = new CArrayType(atype.ElementType, len);
}
else
{
//Report.Error();
}
}
//var init = GetInitExpression(idecl.Initializer);
block.AddVariable(name, ctype);
}
if (idecl.Initializer != null)
{
var varExpr = new VariableExpression(name);
var initExpr = GetInitializerExpression(idecl.Initializer);
block.InitStatements.Add(new ExpressionStatement(new AssignExpression(varExpr, initExpr)));
}
}
}