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Modified CppSpecWriter to generate single-file bindings.

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This commit is contained in:
the_fiddler 2011-09-26 11:18:57 +00:00
parent 39297e5f6c
commit 52678e9479
2 changed files with 319 additions and 193 deletions
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510
Source/Bind/CppSpecWriter.cs
View file

@ -44,16 +44,224 @@ namespace Bind
readonly char[] numbers = "0123456789".ToCharArray();
const string AllowDeprecated = "ALLOW_DEPRECATED_GL";
const string DigitPrefix = "T"; // Prefix for identifiers that start with a digit
const string OutputFileCpp = "glcore++.cpp";
const string OutputFileHeader = "glcore++.h";
const string OutputFileHeaderCompat = "glcompat++.h";
const string OutputFileHeaderEnums = "glenums++.h";
const string OutputFileHeader = "gl++.h";
#region Verbatim parts of output file
const string GetAddressDefinition = @"
namespace Internals
{
#if defined(_WIN32)
extern ""C""
{
typedef int (*PROC)();
extern void* __stdcall wglGetCurrentContext();
extern PROC __stdcall wglGetProcAddress(const char *procname);
}
#elif !defined(__APPLE__)
extern ""C""
{
#define APIENTRY
extern void* glXGetCurrentContext();
extern void (*glXGetProcAddress(const char *procname))();
}
#endif
#if defined(__APPLE__)
#define APIENTRY
#include <stdlib.h>
#include <string.h>
#include <AvailabilityMacros.h>
#define APIENTRY
extern ""C"" void* CGLGetCurrentContext();
#ifdef MAC_OS_X_VERSION_10_3
#include <dlfcn.h>
inline void* NSGLGetProcAddress(const char *name)
{
static void* image = NULL;
if (NULL == image)
{
image = dlopen(""/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"", RTLD_LAZY);
}
return image ? dlsym(image, (const char*)name) : NULL;
}
#else
#include <mach-o/dyld.h>
inline void* NSGLGetProcAddress(const char *name)
{
static const struct mach_header* image = NULL;
NSSymbol symbol;
char* symbolName;
if (NULL == image)
{
image = NSAddImage(""/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"", NSADDIMAGE_OPTION_RETURN_ON_ERROR);
}
// prepend a '_' for the Unix C symbol mangling convention
symbolName = malloc(strlen((const char*)name) + 2);
strcpy(symbolName+1, (const char*)name);
symbolName[0] = '_';
symbol = NULL;
symbol = image ? NSLookupSymbolInImage(image, symbolName, NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR) : NULL;
free(symbolName);
return symbol ? NSAddressOfSymbol(symbol) : NULL;
}
#endif /* MAC_OS_X_VERSION_10_3 */
#endif /* __APPLE__ */
#if defined(__sgi) || defined (__sun)
#define APIENTRY
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
inline void* LoadSymbol(const char *name)
{
// dlopen what?
if ((void *h = dlopen(NULL, RTLD_LAZY | RTLD_LOCAL)) == NULL) return NULL;
return dlsym(h, ""glXGetProcAddress"");
}
inline void* dlGetProcAddress(const char *name)
{
static void* gpa = LoadSymbol(""glXGetProcAddress"");
if (gpa != NULL)
return ((void*(*)(const char*))gpa)(name);
else
return dlsym(h, (const char*)name);
}
inline void* dlGetCurrentContext()
{
static void* gpa = LoadSymbol(""glXGetProcAddress"");
if (gpa != NULL)
return ((void*(*)())gpa)();
return NULL;
}
#endif /* __sgi || __sun */
inline void* GetAddress(const char* name)
{
#if defined(_WIN32)
return (void*)wglGetProcAddress(name);
#elif defined(__APPLE__)
return (void*)NSGLGetProcAddress(name);
#elif defined(__sgi) || defined(__sun)
return (void*)dlGetProcAddress(name);
#else
return (void*)glXGetProcAddress((const char*)name);
#endif
}
inline void* GetCurrentContext()
{
#if defined(_WIN32)
return wglGetCurrentContext();
#elif defined(__APPLE__)
return CGLGetCurrentContext();
#elif defined(__sgi) || defined(__sun)
return dlGetCurrentContext();
#else
return glXGetCurrentContext();
#endif
}
}
";
const string TypeDefinitions = @"
template<typename T>
struct Enumeration
{
private:
int value;
public:
inline Enumeration(int value)
{
this->value = value;
}
inline operator int() const
{
return value;
}
};
typedef unsigned int GLenum;
typedef unsigned int GLbitfield;
typedef int GLsizei; // size_t
typedef bool GLboolean;
typedef signed char GLbyte;
typedef unsigned char GLubyte;
typedef short GLshort;
typedef unsigned short GLushort;
typedef int GLint;
typedef unsigned int GLuint;
typedef long GLlong;
typedef unsigned long GLulong;
typedef float GLfloat;
typedef float GLclampf;
typedef double GLdouble;
typedef double GLclampd;
typedef void GLvoid;
typedef const char* GLstring;
#if defined(_MSC_VER) && _MSC_VER < 1400
typedef __int64 GLint64EXT;
typedef unsigned __int64 GLuint64EXT;
#else
typedef signed long long GLint64EXT;
typedef unsigned long long GLuint64EXT;
#endif
typedef GLint64EXT GLint64;
typedef GLuint64EXT GLuint64;
typedef struct __GLsync { } *GLsync;
typedef char GLchar;
typedef void (*GLDEBUGPROCAMD)(GLuint id,
GLenum category, GLenum severity, GLsizei length,
const GLchar* message, GLvoid* userParam);
/* For ARB_debug_output */
typedef void (*GLDEBUGPROCARB)(GLenum source,
GLenum type, GLuint id, GLenum severity,
GLsizei length, const GLchar* message, GLvoid* userParam);
/* For GL_ARB_cl_event */
typedef struct _cl_context *cl_context;
typedef struct _cl_event *cl_event;
//typedef GLsizei IntPtr;
typedef void* IntPtr;
typedef GLbyte SByte;
typedef GLubyte Byte;
typedef GLshort Int16;
typedef GLushort UInt16;
typedef GLint Int32;
typedef GLuint UInt32;
typedef GLlong Int64;
typedef GLulong UInt64;
typedef GLfloat Single;
typedef GLdouble Double;
typedef GLstring String;
typedef char* StringBuilder;
typedef GLDEBUGPROCAMD DebugProcAmd;
typedef GLDEBUGPROCARB DebugProcArb;
struct Half
{
private:
UInt16 value;
public:
};
";
#endregion
BindStreamWriter sw_h = new BindStreamWriter(Path.GetTempFileName());
BindStreamWriter sw_cpp = new BindStreamWriter(Path.GetTempFileName());
BindStreamWriter sw_h_compat = new BindStreamWriter(Path.GetTempFileName());
BindStreamWriter sw_cpp_compat = new BindStreamWriter(Path.GetTempFileName());
BindStreamWriter sw_h_enums = new BindStreamWriter(Path.GetTempFileName());
#region WriteBindings
@ -78,47 +286,35 @@ namespace Bind
Settings.DefaultOutputNamespace = "OpenTK";
// Enums
using (var sw = sw_h_enums)
{
WriteEnums(sw, enums);
sw.Flush();
sw.Close();
}
// Core definitions
using (var sw = sw_h)
{
WriteDefinitions(sw, enums, wrappers, Type.CSTypes, false);
sw.Flush();
sw.Close();
}
sw.WriteLine("#pragma once");
sw.WriteLine("#ifndef GLPP_H");
sw.WriteLine("#define GLPP_H");
sw.WriteLine();
// Compatibility definitions
using (var sw = sw_h_compat)
{
WriteDefinitions(sw, enums, wrappers, Type.CSTypes, true);
sw.Flush();
sw.Close();
}
WriteLicense(sw);
sw.WriteLine("namespace {0}", Settings.OutputNamespace);
sw.WriteLine("{");
sw.Indent();
WriteGetAddress(sw);
WriteTypes(sw);
WriteEnums(sw, enums);
WriteDefinitions(sw, enums, wrappers, Type.CSTypes); // Core definitions
sw.Unindent();
sw.WriteLine("}");
sw.WriteLine("#endif");
// Core & compatibility declarations
using (var sw = sw_cpp)
{
WriteDeclarations(sw, wrappers, Type.CSTypes);
sw.Flush();
sw.Close();
}
string output_header = Path.Combine(Settings.OutputPath, OutputFileHeader);
string output_cpp = Path.Combine(Settings.OutputPath, OutputFileCpp);
string output_header_compat = Path.Combine(Settings.OutputPath, OutputFileHeaderCompat);
string output_header_enums = Path.Combine(Settings.OutputPath, OutputFileHeaderEnums);
Move(sw_h.File, output_header);
Move(sw_cpp.File, output_cpp);
Move(sw_h_compat.File, output_header_compat);
Move(sw_h_enums.File, output_header_enums);
}
void Move(string file, string dest)
@ -128,31 +324,43 @@ namespace Bind
File.Move(file, dest);
}
static Delegate WriteWrapper(Delegate last_delegate, Function f, BindStreamWriter sw)
{
if (last_delegate == f.WrappedDelegate)
return last_delegate; // Multiple wrappers for the same delegate are not necessary in C++
last_delegate = f.WrappedDelegate;
var parameters = f.WrappedDelegate.Parameters.ToString()
.Replace("String[]", "String*")
.Replace("[OutAttribute]", String.Empty);
sw.WriteLine("inline {0} {1}{2}", f.WrappedDelegate.ReturnType,
f.TrimmedName, parameters);
sw.WriteLine("{");
sw.Indent();
WriteMethodBody(sw, f);
sw.Unindent();
sw.WriteLine("}");
return last_delegate;
}
static Delegate WriteInitDelegate(Delegate last_delegate, BindStreamWriter sw, Function f)
{
if (last_delegate != f.WrappedDelegate)
{
sw.WriteLine("Delegates::{0}() = (Delegates::p{0})OpenTK::Internals::GetAddress(\"gl{0}\");", f.WrappedDelegate.Name);
last_delegate = f.WrappedDelegate;
}
return last_delegate;
}
#endregion
#region WriteDefinitions
void WriteDefinitions(BindStreamWriter sw,
EnumCollection enums, FunctionCollection wrappers,
Dictionary<string, string> CSTypes, bool deprecated_only)
Dictionary<string, string> CSTypes)
{
sw.WriteLine("#pragma once");
if (!deprecated_only)
{
sw.WriteLine("#ifndef GLCOREPP_H");
sw.WriteLine("#define GLCOREPP_H");
}
else
{
sw.WriteLine("#ifndef GLCOMPATPP_H");
sw.WriteLine("#define GLCOMPATPP_H");
}
sw.WriteLine();
WriteLicense(sw);
sw.WriteLine("namespace {0}", Settings.OutputNamespace);
sw.WriteLine("{");
sw.Indent();
sw.WriteLine("namespace {0}", Settings.GLClass);
sw.WriteLine("{");
sw.Indent();
@ -173,36 +381,52 @@ namespace Bind
sw.WriteLine("namespace Delegates");
sw.WriteLine("{");
sw.Indent();
var functions = wrappers[extension].Where(f => f.Deprecated == deprecated_only);
var functions = wrappers[extension];
last_delegate = null;
foreach (var f in functions)
foreach (var f in functions.Where(f => !f.Deprecated))
{
WriteDelegate(sw, f.WrappedDelegate, ref last_delegate);
}
last_delegate = null;
sw.WriteLine("#if defined({0})", AllowDeprecated);
foreach (var f in functions.Where(f => f.Deprecated))
{
WriteDelegate(sw, f.WrappedDelegate, ref last_delegate);
}
sw.WriteLine("#endif");
sw.Unindent();
sw.WriteLine("};");
// Write wrappers
sw.WriteLine("void Init();");
sw.WriteLine("inline void Init()");
sw.WriteLine("{");
sw.Indent();
last_delegate = null;
foreach (var f in functions)
foreach (var f in functions.Where(f => !f.Deprecated))
{
if (last_delegate == f.WrappedDelegate)
continue;
last_delegate = f.WrappedDelegate;
var parameters = f.WrappedDelegate.Parameters.ToString()
.Replace("String[]", "String*")
.Replace("[OutAttribute]", String.Empty);
sw.WriteLine("inline {0} {1}{2}", f.WrappedDelegate.ReturnType,
f.TrimmedName, parameters);
sw.WriteLine("{");
sw.Indent();
WriteMethodBody(sw, f);
sw.Unindent();
sw.WriteLine("}");
last_delegate = WriteInitDelegate(last_delegate, sw, f);
}
last_delegate = null;
sw.WriteLine("#if defined({0})", AllowDeprecated);
foreach (var f in functions.Where(f => f.Deprecated))
{
last_delegate = WriteInitDelegate(last_delegate, sw, f);
}
sw.WriteLine("#endif");
sw.Unindent();
sw.WriteLine("}");
last_delegate = null;
foreach (var f in functions.Where(f => !f.Deprecated))
{
last_delegate = WriteWrapper(last_delegate, f, sw);
}
sw.WriteLine("#if defined({0})", AllowDeprecated);
foreach (var f in functions.Where(f => f.Deprecated))
{
last_delegate = WriteWrapper(last_delegate, f, sw);
}
sw.WriteLine("#endif");
if (extension != "Core")
{
@ -216,79 +440,10 @@ namespace Bind
sw.Unindent();
sw.WriteLine("}");
sw.WriteLine("#endif");
}
#endregion
#region WriteDeclarations
void WriteDeclarations(BindStreamWriter sw, FunctionCollection wrappers,
Dictionary<string, string> CSTypes)
{
sw.WriteLine("#ifdef GLPP_INTERNAL_COMPILE_DECLARATIONS");
WriteLicense(sw);
sw.WriteLine("namespace {0}", Settings.OutputNamespace);
sw.WriteLine("{");
sw.Indent();
sw.WriteLine("using namespace Internals;");
// Used to avoid multiple declarations of the same function
Delegate last_delegate = null;
// Declare all functions (deprecated and core).
// This is necessary for projects that wish to move from
// deprecated APIs to core piece-by-piece.
foreach (var ext in wrappers.Keys)
{
last_delegate = null;
var functions = wrappers[ext];
foreach (var function in functions)
{
if (function.WrappedDelegate == last_delegate)
continue;
last_delegate = function.WrappedDelegate;
string path = GetNamespace(ext);
sw.WriteLine("{0}::Delegates::p{1} {0}::Delegates::{1} = 0;", path, function.Name);
}
}
sw.WriteLine();
// Add Init() methods
foreach (var ext in wrappers.Keys)
{
string path = GetNamespace(ext);
sw.WriteLine("void {0}::Init()", path);
sw.WriteLine("{");
sw.Indent();
last_delegate = null;
var functions = wrappers[ext];
foreach (var function in functions)
{
if (function.WrappedDelegate == last_delegate)
continue;
last_delegate = function.WrappedDelegate;
sw.WriteLine("{0}::Delegates::{1} = ({0}::Delegates::p{1})GetAddress(\"gl{1}\");",
path, function.WrappedDelegate.Name);
}
sw.Unindent();
sw.WriteLine("}");
}
sw.Unindent();
sw.WriteLine("}");
sw.WriteLine("#endif");
}
static string GetNamespace(string ext)
{
if (ext == "Core")
@ -297,24 +452,10 @@ namespace Bind
return String.Format("{0}::{1}", Settings.GLClass, Char.IsDigit(ext[0]) ? DigitPrefix + ext : ext);
}
#endregion
#region ISpecWriter Members
#region WriteEnums
public void WriteEnums(BindStreamWriter sw, EnumCollection enums)
{
sw.WriteLine("#pragma once");
sw.WriteLine("#ifndef GLENUMSPP_H");
sw.WriteLine("#define GLENUMSPP_H");
sw.WriteLine();
WriteLicense(sw);
sw.WriteLine("namespace {0}", Settings.OutputNamespace);
sw.WriteLine("{");
sw.Indent();
foreach (Enum @enum in enums.Values)
{
sw.WriteLine("struct {0} : Enumeration<{0}>", @enum.Name);
@ -338,35 +479,30 @@ namespace Bind
sw.WriteLine("};");
sw.WriteLine();
}
sw.Unindent();
sw.WriteLine("}");
sw.WriteLine("#endif");
}
#endregion
#region WriteTypes
public void WriteTypes(BindStreamWriter sw, Dictionary<string, string> CSTypes)
void WriteTypes(BindStreamWriter sw)
{
sw.WriteLine();
foreach (string s in CSTypes.Keys)
{
sw.WriteLine("typedef {0} {1};", s, CSTypes[s]);
}
sw.WriteLine(TypeDefinitions);
}
#endregion
#region WriteDelegates
#region WriteGetAddress
public void WriteDelegates(BindStreamWriter sw, DelegateCollection delegates)
void WriteGetAddress(BindStreamWriter sw)
{
throw new NotSupportedException();
sw.WriteLine(GetAddressDefinition);
}
#endregion
#region WriteDelegate
static void WriteDelegate(BindStreamWriter sw, Delegate d, ref Delegate last_delegate)
{
// Avoid multiple definitions of the same function
@ -377,37 +513,29 @@ namespace Bind
.Replace("String[]", "String*")
.Replace("[OutAttribute]", String.Empty);
sw.WriteLine("typedef {0} (APIENTRY *p{1}){2};", d.ReturnType, d.Name, parameters);
sw.WriteLine("extern p{0} {0};", d.Name);
sw.WriteLine("inline p{0}& {0}()", d.Name);
sw.WriteLine("{");
sw.Indent();
sw.WriteLine("static p{0} address = 0;", d.Name);
sw.WriteLine("return address;");
sw.Unindent();
sw.WriteLine("}");
}
}
#endregion
#region WriteImports
public void WriteImports(BindStreamWriter sw, DelegateCollection delegates)
{
throw new NotSupportedException();
}
#endregion
#region WriteWrappers
public void WriteWrappers(BindStreamWriter sw, FunctionCollection wrappers,
Dictionary<string, string> CSTypes)
{
throw new NotSupportedException();
}
static void WriteMethodBody(BindStreamWriter sw, Function f)
{
var callstring = f.Parameters.CallString()
.Replace("String[]", "String*");
if (f.ReturnType != null && !f.ReturnType.ToString().ToLower().Contains("void"))
sw.WriteLine("return Delegates::{0}{1};", f.WrappedDelegate.Name, callstring);
sw.WriteLine("return Delegates::{0}(){1};", f.WrappedDelegate.Name, callstring);
else
sw.WriteLine("Delegates::{0}{1};", f.WrappedDelegate.Name, callstring);
sw.WriteLine("Delegates::{0}(){1};", f.WrappedDelegate.Name, callstring);
}
static DocProcessor processor = new DocProcessor(Path.Combine(Settings.DocPath, Settings.DocFile));
@ -475,8 +603,6 @@ namespace Bind
#endregion
#endregion
#region WriteLicense
public void WriteLicense(BindStreamWriter sw)

2
Source/Bind/Main.cs
View file

@ -251,7 +251,7 @@ namespace Bind
}
else
{
throw new NotImplementedException();
throw new NotSupportedException();
}
}