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2004-01-18 Mike Kestner <mkestner@ximian.com>

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* generator/Field.cs : refactored code from StructBase
	* generator/StructBase.cs : spin off Field class

svn path=/trunk/gtk-sharp/; revision=22239
This commit is contained in:
Mike Kestner 2004-01-19 05:30:05 +00:00
parent b17f91170f
commit d1367eb515
3 changed files with 168 additions and 115 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-01-18 Mike Kestner <mkestner@ximian.com>
* generator/Field.cs : refactored code from StructBase
* generator/StructBase.cs : spin off Field class
2004-01-18 Mike Kestner <mkestner@ximian.com>
* generator/SymbolTable.cs : mangle parms named readonly

150
generator/Field.cs Normal file
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@ -0,0 +1,150 @@
// GtkSharp.Generation.Field.cs - The Field generation Class.
//
// Author: Mike Kestner <mkestner@ximian.com>
//
// (c) 2004 Novell, Inc.
namespace GtkSharp.Generation {
using System;
using System.IO;
using System.Xml;
public class Field {
public static int bitfields;
XmlElement elem;
public Field (XmlElement elem)
{
this.elem = elem;
}
public string CSType {
get {
string type = SymbolTable.Table.GetCSType (CType);
if (IsArray)
// FIXME
type = "IntPtr";
else if (IsBit)
type = "uint";
else if ((IsPointer || SymbolTable.Table.IsOpaque (CType)) && type != "string")
type = "IntPtr";
else if (SymbolTable.Table.IsCallback (CType))
type = "IntPtr";
return type;
}
}
public string CType {
get {
return elem.GetAttribute ("type");
}
}
public bool IsArray {
get {
return elem.HasAttribute("array_len");
}
}
public bool IsBit {
get {
return (elem.HasAttribute("bits") && (elem.GetAttribute("bits") == "1"));
}
}
public bool IsPadding {
get {
string c_name = elem.GetAttribute ("cname");
return (c_name.StartsWith ("dummy"));
}
}
public bool IsPointer {
get {
return (CType.EndsWith ("*") || CType.EndsWith ("pointer"));
}
}
public string Name {
get {
string result = "";
if ((IsPointer || SymbolTable.Table.IsOpaque (CType)) && CSType != "string")
result = "_";
if (IsBit)
result = String.Format ("_bitfield{0}", bitfields++);
else
result += SymbolTable.Table.MangleName (elem.GetAttribute ("cname"));
return result;
}
}
public string Protection {
get {
if (IsArray)
// FIXME
return "private";
else if (IsBit || IsPadding || SymbolTable.Table.IsCallback (CType))
return "private";
else if ((IsPointer || SymbolTable.Table.IsOpaque (CType)) && CSType != "string")
return "private";
else
return "public";
}
}
public bool Generate (StreamWriter sw)
{
if (CSType == "") {
Console.WriteLine ("Field has unknown Type {0}", CType);
Statistics.ThrottledCount++;
return false;
}
SymbolTable table = SymbolTable.Table;
// FIXME
if (IsArray)
Console.WriteLine ("warning: array field {0} probably incorrectly generated", Name);
sw.WriteLine ("\t\t{0} {1} {2};", Protection, CSType, table.MangleName (Name));
string wrapped = table.GetCSType (CType);
string wrapped_name = SymbolTable.Table.MangleName (elem.GetAttribute ("cname"));
if (table.IsObject (CType)) {
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + wrapped + " " + wrapped_name + " {");
sw.WriteLine ("\t\t\tget { ");
sw.WriteLine ("\t\t\t\t" + wrapped + " ret = " + table.FromNativeReturn(CType, Name) + ";");
sw.WriteLine ("\t\t\t\treturn ret;");
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset { " + Name + " = " + table.CallByName (CType, "value") + "; }");
sw.WriteLine ("\t\t}");
} else if (table.IsOpaque (CType)) {
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + wrapped + " " + wrapped_name + " {");
sw.WriteLine ("\t\t\tget { ");
sw.WriteLine ("\t\t\t\t" + wrapped + " ret = " + table.FromNativeReturn(CType, Name) + ";");
sw.WriteLine ("\t\t\t\tif (ret == null) ret = new " + wrapped + "(" + Name + ");");
sw.WriteLine ("\t\t\t\treturn ret;");
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset { " + Name + " = " + table.CallByName (CType, "value") + "; }");
sw.WriteLine ("\t\t}");
} else if (IsPointer && (table.IsStruct (CType) || table.IsBoxed (CType))) {
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + wrapped + " " + wrapped_name + " {");
sw.WriteLine ("\t\t\tget { return " + table.FromNativeReturn (CType, Name) + "; }");
sw.WriteLine ("\t\t}");
}
return true;
}
}
}

128
generator/StructBase.cs
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@ -15,7 +15,6 @@ namespace GtkSharp.Generation {
public class StructBase : ClassBase {
ArrayList fields = new ArrayList ();
uint bitfields;
public StructBase (XmlElement ns, XmlElement elem) : base (ns, elem)
{
@ -43,168 +42,67 @@ namespace GtkSharp.Generation {
}
}
public override String MarshalType {
public override string MarshalType {
get
{
return "ref " + QualifiedName;
}
}
public override String MarshalReturnType {
public override string MarshalReturnType {
get
{
return "IntPtr";
}
}
public override String CallByName (String var_name)
public override string CallByName (string var_name)
{
return "ref " + var_name;
}
public override String CallByName ()
public override string CallByName ()
{
return "ref this";
}
public override String AssignToName {
public override string AssignToName {
get { return "raw"; }
}
public override String FromNative(String var)
public override string FromNative(string var)
{
return var;
}
public override String FromNativeReturn(String var)
public override string FromNativeReturn(string var)
{
return QualifiedName + ".New (" + var + ")";
}
public override String ToNativeReturn(String var)
public override string ToNativeReturn(string var)
{
// FIXME
return var;
}
bool IsBit (XmlElement field)
{
return (field.HasAttribute("bits") && (field.GetAttribute("bits") == "1"));
}
bool IsPointer (XmlElement field)
{
string c_type = field.GetAttribute("type");
return (c_type.EndsWith ("*") || c_type.EndsWith ("pointer"));
}
bool IsPadding (XmlElement field)
{
string c_name = field.GetAttribute ("cname");
return (c_name.StartsWith ("dummy"));
}
protected void GenFields (StreamWriter sw)
{
bitfields = 0;
Field.bitfields = 0;
bool need_field = true;
foreach (XmlElement field in fields) {
if (IsBit (field)) {
foreach (XmlElement field_elem in fields) {
Field field = new Field (field_elem);
if (field.IsBit) {
if (need_field)
need_field = false;
else
continue;
} else
need_field = true;
GenField (field, sw);
field.Generate (sw);
}
}
protected bool GetFieldInfo (XmlElement field, out string c_type, out string type, out string name, out string protection)
{
name = "";
protection = "";
c_type = field.GetAttribute ("type");
type = SymbolTable.Table.GetCSType (c_type);
if (IsBit (field)) {
type = "uint";
protection = "private";
} else if ((IsPointer (field) || SymbolTable.Table.IsOpaque (c_type)) && type != "string") {
type = "IntPtr";
name = "_";
protection = "private";
} else if (SymbolTable.Table.IsCallback (c_type)) {
type = "IntPtr";
protection = "private";
} else if (IsPadding (field)) {
protection = "private";
} else {
if (type == "") {
Console.WriteLine ("Field has unknown Type {0}", c_type);
Statistics.ThrottledCount++;
return false;
}
protection = "public";
}
// FIXME: marshalling not implemented here in mono
if (field.HasAttribute("array_len")) {
type = "IntPtr";
protection = "private";
}
if (IsBit (field))
name = String.Format ("_bitfield{0}", bitfields++);
else
name += SymbolTable.Table.MangleName (field.GetAttribute ("cname"));
return true;
}
protected bool GenField (XmlElement field, StreamWriter sw)
{
string c_type, type, name, protection;
if (!GetFieldInfo (field, out c_type, out type, out name, out protection))
return false;
sw.WriteLine ("\t\t{0} {1} {2};", protection, type, SymbolTable.Table.MangleName (name));
if (field.HasAttribute("array_len"))
Console.WriteLine ("warning: array field {0}.{1} probably incorrectly generated", QualifiedName, name);
SymbolTable table = SymbolTable.Table;
string wrapped = table.GetCSType (c_type);
string wrapped_name = SymbolTable.Table.MangleName (field.GetAttribute ("cname"));
if (table.IsObject (c_type)) {
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + wrapped + " " + wrapped_name + " {");
sw.WriteLine ("\t\t\tget { ");
sw.WriteLine ("\t\t\t\t" + wrapped + " ret = " + table.FromNativeReturn(c_type, name) + ";");
sw.WriteLine ("\t\t\t\treturn ret;");
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset { " + name + " = " + table.CallByName (c_type, "value") + "; }");
sw.WriteLine ("\t\t}");
} else if (table.IsOpaque (c_type)) {
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + wrapped + " " + wrapped_name + " {");
sw.WriteLine ("\t\t\tget { ");
sw.WriteLine ("\t\t\t\t" + wrapped + " ret = " + table.FromNativeReturn(c_type, name) + ";");
sw.WriteLine ("\t\t\t\tif (ret == null) ret = new " + wrapped + "(" + name + ");");
sw.WriteLine ("\t\t\t\treturn ret;");
sw.WriteLine ("\t\t\t}");
sw.WriteLine ("\t\t\tset { " + name + " = " + table.CallByName (c_type, "value") + "; }");
sw.WriteLine ("\t\t}");
} else if (IsPointer (field) && (table.IsStruct (c_type) || table.IsBoxed (c_type))) {
sw.WriteLine ();
sw.WriteLine ("\t\tpublic " + wrapped + " " + wrapped_name + " {");
sw.WriteLine ("\t\t\tget { return " + table.FromNativeReturn (c_type, name) + "; }");
sw.WriteLine ("\t\t}");
}
return true;
}
public virtual void Generate (GenerationInfo gen_info)
{
bool need_close = false;