static void Error_InvalidModifier (Modifiers mod, Location l, Report Report)
{
Report.Error (106, l, "The modifier `{0}' is not valid for this item",
Name (mod));
}
public void Error_DuplicateName (Report r)
{
r.Error (100, Location, "The parameter name `{0}' is a duplicate", Name);
}
public static void Error_GlobalNamespaceRedefined (Report report, Location loc)
{
report.Error (1681, loc, "The global extern alias cannot be redefined");
}
public static void Error_UnknownLabel (Location loc, string label, Report Report)
{
Report.Error(159, loc, "The label `{0}:' could not be found within the scope of the goto statement",
label);
}
public static void Error_VariableOfStaticClass (Location loc, string variable_name, TypeSpec static_class, Report Report)
{
Report.SymbolRelatedToPreviousError (static_class);
Report.Error (723, loc, "`{0}': cannot declare variables of static types",
variable_name);
}
public static void Error1599 (Location loc, TypeSpec t, Report Report)
{
Report.Error (1599, loc, "Method or delegate cannot return type `{0}'", TypeManager.CSharpName (t));
}
public static string GetPackageFlags (string packages, Report report)
{
ProcessStartInfo pi = new ProcessStartInfo ();
pi.FileName = "pkg-config";
pi.RedirectStandardOutput = true;
pi.UseShellExecute = false;
pi.Arguments = "--libs " + packages;
Process p = null;
try {
p = Process.Start (pi);
} catch (Exception e) {
if (report == null)
throw;
report.Error (-27, "Couldn't run pkg-config: " + e.Message);
return null;
}
if (p.StandardOutput == null) {
if (report == null)
throw new ApplicationException ("Specified package did not return any information");
report.Warning (-27, 1, "Specified package did not return any information");
p.Close ();
return null;
}
string pkgout = p.StandardOutput.ReadToEnd ();
p.WaitForExit ();
if (p.ExitCode != 0) {
if (report == null)
throw new ApplicationException (pkgout);
report.Error (-27, "Error running pkg-config. Check the above output.");
p.Close ();
return null;
}
p.Close ();
return pkgout;
}
public void Parse (SourceFile file, ModuleContainer module, ParserSession session, Report report)
{
Stream input;
try {
input = File.OpenRead (file.Name);
} catch {
report.Error (2001, "Source file `{0}' could not be found", file.Name);
return;
}
// Check 'MZ' header
if (input.ReadByte () == 77 && input.ReadByte () == 90) {
report.Error (2015, "Source file `{0}' is a binary file and not a text file", file.Name);
input.Close ();
return;
}
input.Position = 0;
SeekableStreamReader reader = new SeekableStreamReader (input, ctx.Settings.Encoding, session.StreamReaderBuffer);
Parse (reader, file, module, session, report);
if (ctx.Settings.GenerateDebugInfo && report.Errors == 0 && !file.HasChecksum) {
input.Position = 0;
var checksum = session.GetChecksumAlgorithm ();
file.SetChecksum (checksum.ComputeHash (input));
}
reader.Dispose ();
input.Close ();
}
public static void Error_1008 (Location loc, Report Report)
{
Report.Error (1008, loc,
"Type byte, sbyte, short, ushort, int, uint, long or ulong expected");
}
protected override bool DoDefineMembers()
{
PredefinedType builder_type;
PredefinedMember <MethodSpec> bf;
PredefinedMember <MethodSpec> bs;
PredefinedMember <MethodSpec> sr;
PredefinedMember <MethodSpec> se;
PredefinedMember <MethodSpec> sm;
bool has_task_return_type = false;
var pred_members = Module.PredefinedMembers;
if (return_type.Kind == MemberKind.Void)
{
builder_type = Module.PredefinedTypes.AsyncVoidMethodBuilder;
bf = pred_members.AsyncVoidMethodBuilderCreate;
bs = pred_members.AsyncVoidMethodBuilderStart;
sr = pred_members.AsyncVoidMethodBuilderSetResult;
se = pred_members.AsyncVoidMethodBuilderSetException;
sm = pred_members.AsyncVoidMethodBuilderSetStateMachine;
}
else if (return_type == Module.PredefinedTypes.Task.TypeSpec)
{
builder_type = Module.PredefinedTypes.AsyncTaskMethodBuilder;
bf = pred_members.AsyncTaskMethodBuilderCreate;
bs = pred_members.AsyncTaskMethodBuilderStart;
sr = pred_members.AsyncTaskMethodBuilderSetResult;
se = pred_members.AsyncTaskMethodBuilderSetException;
sm = pred_members.AsyncTaskMethodBuilderSetStateMachine;
task = pred_members.AsyncTaskMethodBuilderTask.Get();
}
else
{
builder_type = Module.PredefinedTypes.AsyncTaskMethodBuilderGeneric;
bf = pred_members.AsyncTaskMethodBuilderGenericCreate;
bs = pred_members.AsyncTaskMethodBuilderGenericStart;
sr = pred_members.AsyncTaskMethodBuilderGenericSetResult;
se = pred_members.AsyncTaskMethodBuilderGenericSetException;
sm = pred_members.AsyncTaskMethodBuilderGenericSetStateMachine;
task = pred_members.AsyncTaskMethodBuilderGenericTask.Get();
has_task_return_type = true;
}
set_result = sr.Get();
set_exception = se.Get();
builder_factory = bf.Get();
builder_start = bs.Get();
var istate_machine = Module.PredefinedTypes.IAsyncStateMachine;
var set_statemachine = sm.Get();
if (!builder_type.Define() || !istate_machine.Define() || set_result == null || builder_factory == null ||
set_exception == null || set_statemachine == null || builder_start == null ||
!Module.PredefinedTypes.INotifyCompletion.Define())
{
Report.Error(1993, Location,
"Cannot find compiler required types for asynchronous functions support. Are you targeting the wrong framework version?");
return(base.DoDefineMembers());
}
var bt = builder_type.TypeSpec;
//
// Inflate generic Task types
//
if (has_task_return_type)
{
var task_return_type = return_type.TypeArguments;
if (mutator != null)
{
task_return_type = mutator.Mutate(task_return_type);
}
bt = bt.MakeGenericType(Module, task_return_type);
set_result = MemberCache.GetMember(bt, set_result);
set_exception = MemberCache.GetMember(bt, set_exception);
set_statemachine = MemberCache.GetMember(bt, set_statemachine);
if (task != null)
{
task = MemberCache.GetMember(bt, task);
}
}
builder = AddCompilerGeneratedField("$builder", new TypeExpression(bt, Location));
var set_state_machine = new Method(this, new TypeExpression(Compiler.BuiltinTypes.Void, Location),
Modifiers.COMPILER_GENERATED | Modifiers.DEBUGGER_HIDDEN | Modifiers.PUBLIC,
new MemberName("SetStateMachine"),
ParametersCompiled.CreateFullyResolved(
new Parameter(new TypeExpression(istate_machine.TypeSpec, Location), "stateMachine", Parameter.Modifier.NONE, null, Location),
istate_machine.TypeSpec),
null);
ToplevelBlock block = new ToplevelBlock(Compiler, set_state_machine.ParameterInfo, Location);
block.IsCompilerGenerated = true;
set_state_machine.Block = block;
Members.Add(set_state_machine);
if (!base.DoDefineMembers())
{
return(false);
}
//
// Fabricates SetStateMachine method
//
// public void SetStateMachine (IAsyncStateMachine stateMachine)
// {
// $builder.SetStateMachine (stateMachine);
// }
//
var mg = MethodGroupExpr.CreatePredefined(set_statemachine, bt, Location);
mg.InstanceExpression = new FieldExpr(builder, Location);
var param_reference = block.GetParameterReference(0, Location);
param_reference.Type = istate_machine.TypeSpec;
param_reference.eclass = ExprClass.Variable;
var args = new Arguments(1);
args.Add(new Argument(param_reference));
set_state_machine.Block.AddStatement(new StatementExpression(new Invocation(mg, args)));
if (has_task_return_type)
{
hoisted_return = LocalVariable.CreateCompilerGenerated(bt.TypeArguments[0], StateMachineMethod.Block, Location);
}
return(true);
}
public static void Error_InvalidConstantType (TypeSpec t, Location loc, Report Report)
{
if (t.IsGenericParameter) {
Report.Error (1959, loc,
"Type parameter `{0}' cannot be declared const", TypeManager.CSharpName (t));
} else {
Report.Error (283, loc,
"The type `{0}' cannot be declared const", TypeManager.CSharpName (t));
}
}
