//
//
-namespace Mono.CSharp {
+namespace Mono.MonoBASIC {
using System;
using System.Collections;
using System.Diagnostics;
/// The AddressOf method should generate code that loads
/// the address of the object and leaves it on the stack.
///
- /// The `mode' argument is used to notify the expression
+ /// The 'mode' argument is used to notify the expression
/// of whether this will be used to read from the address or
/// write to the address.
///
bool IsAssigned (EmitContext ec, Location loc);
/// <summary>
- /// Checks whether field `name' in this struct has been assigned.
+ /// Checks whether field 'name' in this struct has been assigned.
/// </summary>
bool IsFieldAssigned (EmitContext ec, string name, Location loc);
void SetAssigned (EmitContext ec);
/// <summary>
- /// Tells the flow analysis code that field `name' in this struct
+ /// Tells the flow analysis code that field 'name' in this struct
/// has already been assigned atthe current code position.
/// </summary>
void SetFieldAssigned (EmitContext ec, string name);
/// <summary>
/// Utility wrapper routine for Warning, only prints the warning if
- /// warnings of level `level' are enabled.
+ /// warnings of level 'level' are enabled.
/// </summary>
public void Warning (int warning, int level, string s)
{
static public void Error_CannotConvertType (Location loc, Type source, Type target)
{
Report.Error (30, loc, "Cannot convert type '" +
- TypeManager.CSharpName (source) + "' to '" +
- TypeManager.CSharpName (target) + "'");
+ TypeManager.MonoBASIC_Name (source) + "' to '" +
+ TypeManager.MonoBASIC_Name (target) + "'");
}
/// <summary>
/// There are two side effects expected from calling
/// Resolve(): the the field variable "eclass" should
/// be set to any value of the enumeration
- /// `ExprClass' and the type variable should be set
+ /// 'ExprClass' and the type variable should be set
/// to a valid type (this is the type of the
/// expression).
/// </remarks>
bool old_do_flow_analysis = ec.DoFlowAnalysis;
if ((flags & ResolveFlags.DisableFlowAnalysis) != 0)
ec.DoFlowAnalysis = false;
-
+
Expression e;
- if (this is SimpleName)
- e = ((SimpleName) this).DoResolveAllowStatic (ec);
- else
- e = DoResolve (ec);
-
- ec.DoFlowAnalysis = old_do_flow_analysis;
+ try {
+ if (this is SimpleName)
+ e = ((SimpleName) this).DoResolveAllowStatic (ec);
+ else
+ e = DoResolve (ec);
+ } finally {
+ ec.DoFlowAnalysis = old_do_flow_analysis;
+ }
if (e == null)
return null;
ec.ContainerType, ec.ContainerType, AllMemberTypes,
AllBindingFlags | BindingFlags.NonPublic, s.Name);
if (lookup != null)
- Error (122, "`" + s.Name + "' " +
+ Error (30390, "'" + s.Name + "' " +
"is inaccessible because of its protection level");
else
- Error (103, "The name `" + s.Name + "' could not be " +
- "found in `" + ec.DeclSpace.Name + "'");
+ Error (30451, "The name '" + s.Name + "' could not be " +
+ "found in '" + ec.DeclSpace.Name + "'");
return null;
}
return s;
}
-
+
if ((e is TypeExpr) || (e is ComposedCast)) {
if ((flags & ResolveFlags.Type) == 0) {
e.Error118 (flags);
SimpleName s = (SimpleName) e;
Report.Error (
- 103, loc,
- "The name `" + s.Name + "' could not be found in `" +
+ 30451, loc,
+ "The name '" + s.Name + "' could not be found in '" +
ec.DeclSpace.Name + "'");
return null;
}
// FIXME: Probably implement a cache for (t,name,current_access_set)?
//
// This code could use some optimizations, but we need to do some
- // measurements. For example, we could use a delegate to `flag' when
+ // measurements. For example, we could use a delegate to 'flag' when
// something can not any longer be a method-group (because it is something
// else).
//
//
// null on error.
//
- // FIXME: When calling MemberLookup inside an `Invocation', we should pass
+ // FIXME: When calling MemberLookup inside an 'Invocation', we should pass
// the arguments here and have MemberLookup return only the methods that
// match the argument count/type, unlike we are doing now (we delay this
// decision).
}
//
- // Lookup type `t' for code in class `invocation_type'. Note that it's important
- // to set `invocation_type' correctly since this method also checks whether the
- // invoking class is allowed to access the member in class `t'. When you want to
- // explicitly do a lookup in the base class, you must set both `t' and `invocation_type'
+ // Lookup type 't' for code in class 'invocation_type'. Note that it's important
+ // to set 'invocation_type' correctly since this method also checks whether the
+ // invoking class is allowed to access the member in class 't'. When you want to
+ // explicitly do a lookup in the base class, you must set both 't' and 'invocation_type'
// to the base class (although a derived class can access protected members of its base
// class it cannot do so through an instance of the base class (error CS1540)).
//
public const BindingFlags AllBindingFlags =
BindingFlags.Public |
BindingFlags.Static |
- BindingFlags.Instance;
+ BindingFlags.Instance |
+ BindingFlags.IgnoreCase;
public static Expression MemberLookup (EmitContext ec, Type t, string name, Location loc)
{
- return MemberLookup (ec, ec.ContainerType, t, name,
- AllMemberTypes, AllBindingFlags, loc);
+ return MemberLookup (ec, ec.ContainerType, t, name, AllMemberTypes, AllBindingFlags, loc);
}
public static Expression MethodLookup (EmitContext ec, Type t, string name, Location loc)
AllBindingFlags | BindingFlags.NonPublic, loc);
if (e == null){
Report.Error (
- 117, loc, "`" + t + "' does not contain a definition " +
- "for `" + name + "'");
+ 30456, loc, "'" + t + "' does not contain a definition " +
+ "for '" + name + "'");
} else {
Report.Error (
- 122, loc, "`" + t + "." + name +
+ 30390, loc, "'" + t + "." + name +
"' is inaccessible due to its protection level");
}
{
Type expr_type = expr.Type;
- if (expr_type == TypeManager.void_type)
+ if (expr_type == null || expr_type == TypeManager.void_type)
return false;
if (expr_type == target_type)
/// <summary>
/// Computes the MethodGroup for the user-defined conversion
- /// operators from source_type to target_type. `look_for_explicit'
+ /// operators from source_type to target_type. 'look_for_explicit'
/// controls whether we should also include the list of explicit
/// operators
/// </summary>
}
/// <summary>
- /// Converts implicitly the resolved expression `expr' into the
- /// `target_type'. It returns a new expression that can be used
- /// in a context that expects a `target_type'.
+ /// Converts implicitly the resolved expression 'expr' into the
+ /// 'target_type'. It returns a new expression that can be used
+ /// in a context that expects a 'target_type'.
/// </summary>
static public Expression ConvertImplicit (EmitContext ec, Expression expr,
Type target_type, Location loc)
}
/// <summary>
- /// Converts the resolved expression `expr' into the
- /// `target_type' using the Microsoft.VisualBasic runtime.
+ /// Converts the resolved expression 'expr' into the
+ /// 'target_type' using the Microsoft.VisualBasic runtime.
/// It returns a new expression that can be used
- /// in a context that expects a `target_type'.
+ /// in a context that expects a 'target_type'.
/// </summary>
static private Expression RTConversionExpression (EmitContext ec, string s, Expression expr, Location loc)
{
args.Add (arg);
e = (Expression) new Invocation (etmp, args, loc);
e = e.Resolve(ec);
-
return (e);
}
+ static public bool RuntimeConversionExists (EmitContext ec, Expression expr, Type target_type)
+ {
+ return (RuntimeConversion (ec, expr, target_type,Location.Null)) != null;
+ }
+
static public Expression RuntimeConversion (EmitContext ec, Expression expr,
Type target_type, Location loc)
{
TypeCode src_type = Type.GetTypeCode (expr_type);
Expression e = null;
+ // VB.NET Objects can be converted to anything by default
+ // unless, that is, an exception at runtime blows it all
+ if (src_type == TypeCode.Object) {
+ Expression cast_type = Mono.MonoBASIC.Parser.DecomposeQI(target_type.ToString(), loc);
+ Cast ce = new Cast (cast_type, expr, loc);
+ return ce.Resolve (ec);
+ }
+
switch (dest_type) {
case TypeCode.String:
switch (src_type) {
e = RTConversionExpression(ec, "ShortType.FromObject", expr, loc);
break;
}
- break;
+ break;
+ case TypeCode.Byte:
+ // Ok, this *is* broken
+ e = RTConversionExpression(ec, "ByteType.FromObject", expr, loc);
+ break;
+ }
+
+ // We must examine separately some types that
+ // don't have a TypeCode but are supported
+ // in the runtime
+ if (expr_type == typeof(System.String) && target_type == typeof (System.Char[])) {
+ e = RTConversionExpression(ec, "CharArrayType.FromString", expr, loc);
}
return e;
}
/// <summary>
- /// Attempts to apply the `Standard Implicit
- /// Conversion' rules to the expression `expr' into
- /// the `target_type'. It returns a new expression
+ /// Attempts to apply the 'Standard Implicit
+ /// Conversion' rules to the expression 'expr' into
+ /// the 'target_type'. It returns a new expression
/// that can be used in a context that expects a
- /// `target_type'.
+ /// 'target_type'.
///
- /// This is different from `ConvertImplicit' in that the
+ /// This is different from 'ConvertImplicit' in that the
/// user defined implicit conversions are excluded.
/// </summary>
static public Expression ConvertImplicitStandard (EmitContext ec, Expression expr,
static public void Error_CannotConvertImplicit (Location loc, Type source, Type target)
{
- string msg = "Cannot convert implicitly from `"+
- TypeManager.CSharpName (source) + "' to `" +
- TypeManager.CSharpName (target) + "'";
+ string msg = "Cannot convert implicitly from '"+
+ TypeManager.MonoBASIC_Name (source) + "' to '" +
+ TypeManager.MonoBASIC_Name (target) + "'";
Report.Error (29, loc, msg);
}
/// <summary>
- /// Attemptes to implicityly convert `target' into `type', using
+ /// Attemptes to implicityly convert 'target' into 'type', using
/// ConvertImplicit. If there is no implicit conversion, then
/// an error is signaled
/// </summary>
}
/// <summary>
- /// Performs an explicit conversion of the expression `expr' whose
- /// type is expr.Type to `target_type'.
+ /// Performs an explicit conversion of the expression 'expr' whose
+ /// type is expr.Type to 'target_type'.
/// </summary>
static public Expression ConvertExplicit (EmitContext ec, Expression expr,
Type target_type, Location loc)
}
/// <summary>
- /// Reports that we were expecting `expr' to be of class `expected'
+ /// Reports that we were expecting 'expr' to be of class 'expected'
/// </summary>
public void Error118 (string expected)
{
kind = ExprClassName (eclass);
- Error (118, "Expression denotes a `" + kind +
- "' where a `" + expected + "' was expected");
+ Error (118, "Expression denotes a '" + kind +
+ "' where a '" + expected + "' was expected");
}
public void Error118 (ResolveFlags flags)
string kind = ExprClassName (eclass);
- Error (119, "Expression denotes a `" + kind + "' where " +
- "a `" + sb.ToString () + "' was expected");
+ Error (119, "Expression denotes a '" + kind + "' where " +
+ "a '" + sb.ToString () + "' was expected");
}
static void Error_ConstantValueCannotBeConverted (Location l, string val, Type t)
{
- Report.Error (31, l, "Constant value `" + val + "' cannot be converted to " +
- TypeManager.CSharpName (t));
+ Report.Error (31, l, "Constant value '" + val + "' cannot be converted to " +
+ TypeManager.MonoBASIC_Name (t));
}
public static void UnsafeError (Location loc)
/// <summary>
/// Converts the IntConstant, UIntConstant, LongConstant or
/// ULongConstant into the integral target_type. Notice
- /// that we do not return an `Expression' we do return
+ /// that we do not return an 'Expression' we do return
/// a boxed integral type.
///
/// FIXME: Since I added the new constants, we need to
}
//
- // The stack contains the pointer and the value of type `type'
+ // The stack contains the pointer and the value of type 'type'
//
public static void StoreFromPtr (ILGenerator ig, Type type)
{
}
//
- // Returns the size of type `t' if known, otherwise, 0
+ // Returns the size of type 't' if known, otherwise, 0
//
public static int GetTypeSize (Type t)
{
}
//
- // Converts `source' to an int, uint, long or ulong.
+ // Converts 'source' to an int, uint, long or ulong.
//
public Expression ExpressionToArrayArgument (EmitContext ec, Expression source, Location loc)
{
public abstract class ExpressionStatement : Expression {
/// <summary>
- /// Requests the expression to be emitted in a `statement'
+ /// Requests the expression to be emitted in a 'statement'
/// context. This means that no new value is left on the
/// stack after invoking this method (constrasted with
/// Emit that will always leave a value on the stack).
/// creating a namespace map from the assemblies, as that requires
/// the GetExportedTypes function to be called and a hashtable to
/// be constructed which reduces startup time. If later we find
- /// that this is slower, we should create a `NamespaceExpr' expression
+ /// that this is slower, we should create a 'NamespaceExpr' expression
/// that fully participates in the resolution process.
///
- /// For example `System.Console.WriteLine' is decomposed into
+ /// For example 'System.Console.WriteLine' is decomposed into
/// MemberAccess (MemberAccess (SimpleName ("System"), "Console"), "WriteLine")
///
/// The first SimpleName wont produce a match on its own, so it will
///
/// System.Console will produce a TypeExpr match.
///
- /// The downside of this is that we might be hitting `LookupType' too many
+ /// The downside of this is that we might be hitting 'LookupType' too many
/// times with this scheme.
/// </remarks>
public class SimpleName : Expression, ITypeExpression {
Report.Error (
236, l,
"A field initializer cannot reference the non-static field, " +
- "method or property `"+name+"'");
+ "method or property '"+name+"'");
else
Report.Error (
120, l,
"An object reference is required " +
- "for the non-static field `"+name+"'");
+ "for the non-static field '"+name+"'");
}
//
/// Local Variables and Parameters are handled at
/// parse time, so they never occur as SimpleNames.
///
- /// The `allow_static' flag is used by MemberAccess only
+ /// The 'allow_static' flag is used by MemberAccess only
/// and it is used to inform us that it is ok for us to
/// avoid the static check, because MemberAccess might end
/// up resolving the Name as a Type name and the access as
if (e == null && ec.ContainerType != null)
e = MemberLookup (ec, ec.ContainerType, Name, loc);
+// #52067 - Start - Trying to solve
+
+ if (e == null) {
+ string[] NamespacesInScope = RootContext.SourceBeingCompiled.GetNamespacesInScope(ec.DeclSpace.Namespace.Name);
+ ArrayList lookups = new ArrayList();
+ ArrayList typelookups = new ArrayList();
+
+ foreach(Type type in TypeManager.GetPertinentStandardModules(NamespacesInScope)) {
+ e = MemberLookup(ec, type, Name, loc);
+ if (e != null)
+ lookups.Add(e);
+ typelookups.Add(type);
+ }
+ if (lookups.Count == 1) {
+ e = (Expression)lookups[0];
+ } else {
+ if (lookups.Count > 1) {
+ StringBuilder sb = new StringBuilder();
+ foreach(Type type in typelookups)
+ sb.Append("'" + type.FullName + "'");
+ Error (-1, "The name '" + Name + "' can be resolved to a member of more than one standard module: " + sb.ToString() + ". Please fully qualify it.");
+ return null;
+ }
+ }
+ }
+
+// #52067 - End
+
if (e == null)
return DoResolveType (ec);
if (!me.IsStatic &&
TypeManager.IsNestedChildOf (me.InstanceExpression.Type, me.DeclaringType)) {
- Error (38, "Cannot access nonstatic member `" + me.Name + "' of " +
- "outer type `" + me.DeclaringType + "' via nested type `" +
+ Error (38, "Cannot access nonstatic member '" + me.Name + "' of " +
+ "outer type '" + me.DeclaringType + "' via nested type '" +
me.InstanceExpression.Type + "'");
return null;
}
// find the name as a namespace
//
- Error (103, "The name `" + Name +
- "' does not exist in the class `" +
+ Error (30451, "The name '" + Name +
+ "' does not exist in the class '" +
ec.DeclSpace.Name + "'");
}
}
//
- // `A method group may have associated an instance expression'
+ // 'A method group may have associated an instance expression'
//
public Expression InstanceExpression {
get {
public void ReportUsageError ()
{
- Report.Error (654, loc, "Method `" + Methods [0].DeclaringType + "." +
+ Report.Error (654, loc, "Method '" + Methods [0].DeclaringType + "." +
Methods [0].Name + "()' is referenced without parentheses");
}
/// <summary>
/// Expression that evaluates to a Property. The Assign class
- /// might set the `Value' expression if we are in an assignment.
+ /// might set the 'Value' expression if we are in an assignment.
///
/// This is not an LValue because we need to re-write the expression, we
/// can not take data from the stack and store it.
{
if (!PropertyInfo.CanWrite){
Report.Error (200, loc,
- "The property `" + PropertyInfo.Name +
+ "The property '" + PropertyInfo.Name +
"' can not be assigned to, as it has not set accessor");
return false;
}
{
if (getter == null){
Report.Error (154, loc,
- "The property `" + PropertyInfo.Name +
+ "The property '" + PropertyInfo.Name +
"' can not be used in " +
"this context because it lacks a get accessor");
return null;
{
if (setter == null){
Report.Error (154, loc,
- "The property `" + PropertyInfo.Name +
+ "The property '" + PropertyInfo.Name +
"' can not be used in " +
"this context because it lacks a set accessor");
return null;
public override void Emit (EmitContext ec)
{
- Report.Error (70, loc, "The event `" + Name + "' can only appear on the left hand side of += or -= (except on the defining type)");
+ Report.Error (70, loc, "The event '" + Name + "' can only appear on the left hand side of += or -= (except on the defining type)");
}
public void EmitAddOrRemove (EmitContext ec, Expression source)
ec, false, IsStatic, instance_expr, remove_accessor, args, loc);
}
}
-}
+}
projects / mono.git / blobdiff