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* CppSpecWriter.cs: Fixed declaration of function pointers. Modified

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to use the delegate-wrapper paradigm, instead of exposing function
  pointers directly. This way we can rely on the compiler for overload
  resolution.
This commit is contained in:
the_fiddler 2010-12-05 10:47:06 +00:00
parent 7469180c13
commit 441c2cc15f
1 changed files with 53 additions and 28 deletions
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81
Source/Bind/CppSpecWriter.cs
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@ -71,7 +71,14 @@ namespace Bind
sw.Indent();
WriteEnums(sw, enums);
sw.WriteLine("struct {0}", Settings.GLClass);
sw.WriteLine("{");
sw.Indent();
WriteDelegates(sw, delegates);
WriteWrappers(sw, wrappers, Type.CSTypes);
sw.Unindent();
sw.WriteLine("};");
sw.Unindent();
sw.WriteLine("}");
@ -108,6 +115,8 @@ namespace Bind
void WriteLoader(BindStreamWriter sw, FunctionCollection wrappers,
Dictionary<string, string> CSTypes)
{
sw.WriteLine("#include \"gl++def.cpp\"");
// Used to avoid multiple declarations of the same function
Delegate last_delegate = null;
@ -127,12 +136,15 @@ namespace Bind
last_delegate = function.WrappedDelegate;
if (ext == "Core")
sw.WriteLine("{0}::{1} = 0;", Settings.GLClass, function.TrimmedName);
sw.WriteLine("{0}::p{1} {0}::{1} = 0;", Settings.GLClass, function.Name);
else
sw.WriteLine("{0}::{1}::{2} = 0;", Settings.GLClass, function.Extension, function.TrimmedName);
sw.WriteLine("{0}::{1}::p{2} {0}::{1}::{2} = 0;", Settings.GLClass,
function.Extension, function.Name);
}
sw.WriteLine("#ifdef {0}", AllowDeprecated);
sw.Indent();
}
sw.Unindent();
sw.WriteLine("#endif");
}
sw.WriteLine();
@ -159,10 +171,13 @@ namespace Bind
continue;
last_delegate = function.WrappedDelegate;
sw.WriteLine("{0} = (p{0})GetAddress(\"{1}\");", function.TrimmedName, function.Name);
sw.WriteLine("{0} = (p{0})GetAddress(\"gl{0}\");",
function.WrappedDelegate.Name);
}
sw.WriteLine("#ifdef {0}", AllowDeprecated);
sw.Indent();
}
sw.Unindent();
sw.WriteLine("#endif");
sw.Unindent();
@ -176,7 +191,25 @@ namespace Bind
public void WriteDelegates(BindStreamWriter sw, DelegateCollection delegates)
{
throw new NotImplementedException();
sw.WriteLine("private:");
// Avoid multiple definitions of the same function
Delegate last_delegate = null;
foreach (var d in delegates)
{
WriteDelegate(sw, d.Value, ref last_delegate);
}
}
static void WriteDelegate(BindStreamWriter sw, Delegate d, ref Delegate last_delegate)
{
// Avoid multiple definitions of the same function
if (d != last_delegate)
{
last_delegate = d;
sw.WriteLine("typedef {0} (*p{1}){2};", d.ReturnType, d.Name, d.Parameters);
sw.WriteLine("static p{0} {0};", d.Name);
}
}
#endregion
@ -195,9 +228,7 @@ namespace Bind
public void WriteWrappers(BindStreamWriter sw, FunctionCollection wrappers,
Dictionary<string, string> CSTypes)
{
sw.WriteLine("struct {0}", Settings.GLClass);
sw.WriteLine("{");
sw.Indent();
sw.WriteLine("public:");
foreach (string extension in wrappers.Keys)
{
@ -214,17 +245,23 @@ namespace Bind
Delegate last_delegate = null;
// Write forward-compatible functions
foreach (Function f in wrappers[extension].Where(f => !f.Deprecated))
{
WriteDelegate(sw, f, ref last_delegate);
}
var forward_compatible = wrappers[extension].Where(f => !f.Deprecated);
var deprecated = wrappers[extension].Where(f => f.Deprecated);
// Write deprecated functions
sw.WriteLine("#ifdef {0}", AllowDeprecated);
sw.Indent();
foreach (Function f in wrappers[extension].Where(f => !f.Deprecated))
for (var current = forward_compatible; current != deprecated; current = deprecated)
{
WriteDelegate(sw, f, ref last_delegate);
last_delegate = null;
foreach (var f in current)
{
sw.WriteLine("static inline {0} {1}{2}", f.ReturnType, f.TrimmedName, f.Parameters);
sw.WriteLine("{");
sw.Indent();
//WriteMethodBody(sw, f);
sw.Unindent();
sw.WriteLine("}");
}
sw.WriteLine("#ifdef {0}", AllowDeprecated);
sw.Indent();
}
sw.Unindent();
sw.WriteLine("#endif");
@ -240,18 +277,6 @@ namespace Bind
sw.WriteLine("};");
}
private static void WriteDelegate(BindStreamWriter sw, Function f, ref Delegate last_delegate)
{
var d = f.WrappedDelegate;
// Avoid multiple definitions of the same function
if (d != last_delegate)
{
last_delegate = d;
sw.WriteLine("static {0} (*p{1}){2};", d.ReturnType, f.TrimmedName, d.Parameters);
sw.WriteLine("extern p{0} {0};", f.TrimmedName);
}
}
static DocProcessor processor = new DocProcessor(Path.Combine(Settings.DocPath, Settings.DocFile));
static Dictionary<string, string> docfiles;
void WriteDocumentation(BindStreamWriter sw, Function f)