mirror of
https://github.com/Ryujinx/Opentk.git
synced 2024-12-27 07:15:29 +00:00
c487bafcd2
Cleaning up old C header code from convert, we'll just deal with Khronos XML files now. If there's a need for parsing C headers we should do that as a separate tool that either parses and generates the OpenTK XML specs directly generates Khronos XML specs that can then be parsed by Convert.
484 lines
20 KiB
C#
484 lines
20 KiB
C#
#region License
|
|
//
|
|
// The Open Toolkit Library License
|
|
//
|
|
// Copyright (c) 2006 - 2013 Stefanos Apostolopoulos for the Open Toolkit library
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights to
|
|
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
// the Software, and to permit persons to whom the Software is furnished to do
|
|
// so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
// OTHER DEALINGS IN THE SOFTWARE.
|
|
//
|
|
#endregion
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.Linq;
|
|
using System.Text.RegularExpressions;
|
|
using System.Xml.Linq;
|
|
|
|
namespace OpenTK.Convert
|
|
{
|
|
static class Extension
|
|
{
|
|
public static string ValueOrDefault(this XAttribute a)
|
|
{
|
|
return a != null ? a.Value : String.Empty;
|
|
}
|
|
}
|
|
|
|
class GLXmlParser : Parser
|
|
{
|
|
static readonly Regex ExtensionRegex = new Regex(
|
|
@"3DFX|(?!(?<=[1-4])D)[A-Z]{2,}$",
|
|
RegexOptions.Compiled);
|
|
string EnumPrefix { get { return Prefix.ToUpper() + "_"; } }
|
|
string FuncPrefix { get { return Prefix; } }
|
|
|
|
public GLXmlParser()
|
|
{
|
|
}
|
|
|
|
public override IEnumerable<XElement> Parse(string[] lines)
|
|
{
|
|
var input = XDocument.Parse(String.Join(" ", lines));
|
|
|
|
var elements = new SortedDictionary<string, XElement>();
|
|
foreach (var e in ParseEnums(input).Concat(ParseFunctions(input)))
|
|
{
|
|
var name = e.Attribute("name").Value;
|
|
var version = (e.Attribute("version") ?? new XAttribute("version", String.Empty)).Value;
|
|
var key = name + version;
|
|
if (!elements.ContainsKey(key))
|
|
elements.Add(key, e);
|
|
else
|
|
elements[key].Add(e.Elements());
|
|
}
|
|
|
|
return elements.Values;
|
|
}
|
|
|
|
static string[] GetApiNames(XElement feature)
|
|
{
|
|
string[] apinames = null;
|
|
switch (feature.Name.LocalName)
|
|
{
|
|
case "feature":
|
|
{
|
|
string v = feature.Attribute("api") != null ? feature.Attribute("api").Value : "gl|glcore";
|
|
if (v == "gl")
|
|
{
|
|
// Add all gl features to both compatibility (gl) and core (glcore) profiles.
|
|
// Deprecated features will be explicitly marked or removed when parsing
|
|
// the <remove> elements.
|
|
v = "gl|glcore";
|
|
}
|
|
apinames = v.Split('|');
|
|
break;
|
|
}
|
|
|
|
case "extension":
|
|
{
|
|
string v = feature.Attribute("supported") != null ? feature.Attribute("supported").Value : "gl|glcore";
|
|
apinames = v.Split('|');
|
|
break;
|
|
}
|
|
|
|
case "group":
|
|
{
|
|
apinames = new string[] { "gl", "glcore", "gles1", "gles2" };
|
|
break;
|
|
}
|
|
|
|
default:
|
|
throw new NotSupportedException("Unknown feature type");
|
|
}
|
|
return apinames;
|
|
}
|
|
|
|
IEnumerable<XElement> ParseEnums(XDocument input)
|
|
{
|
|
var features = input.Root.Elements("feature");
|
|
var extensions = input.Root.Elements("extensions").Elements("extension");
|
|
var enumerations = input.Root.Elements("enums").Elements("enum");
|
|
var groups = input.Root.Elements("groups").Elements("group");
|
|
var APIs = new SortedDictionary<string, XElement>();
|
|
|
|
// Build a list of all available tokens.
|
|
// Some tokens have a different value between GL and GLES,
|
|
// so we need to keep separate lists for each API. Tokens
|
|
// that are common go to the "default" list.
|
|
var enums = new Dictionary<string, SortedDictionary<string, string>>();
|
|
foreach (var e in enumerations)
|
|
{
|
|
var api = (e.Attribute("api") ?? new XAttribute("api", "default")).Value;
|
|
if (!enums.ContainsKey(api))
|
|
enums.Add(api, new SortedDictionary<string, string>());
|
|
|
|
enums[api].Add(
|
|
TrimName(e.Attribute("name").Value),
|
|
e.Attribute("value").Value);
|
|
}
|
|
|
|
// Now we go through each feature, extension and group
|
|
// and construct the actual enumerations. Each API
|
|
// gets its own list of enumerations. Common enums are
|
|
// explicitly repeated. For example:
|
|
// <extension name="GL_AMD_performance_monitor" supported="gl|gles2">
|
|
// means that its enums must go to both the gl and gles2 APIs.
|
|
foreach (var feature in
|
|
features.Concat(extensions)
|
|
.Concat(groups)
|
|
.OrderBy(f => TrimName(f.Attribute("name").Value)))
|
|
{
|
|
var version = feature.Attribute("number") != null ? feature.Attribute("number").Value : null;
|
|
var apinames = GetApiNames(feature);
|
|
|
|
// An enum may belong to one or more APIs.
|
|
// Add it to all relevant ones.
|
|
foreach (var apiname in apinames)
|
|
{
|
|
var key = apiname + version;
|
|
if (!APIs.ContainsKey(key))
|
|
APIs.Add(
|
|
key,
|
|
new XElement(
|
|
"api",
|
|
new XAttribute("name", apiname),
|
|
String.IsNullOrEmpty(version) ? null : new XAttribute("version", version)));
|
|
var api = APIs[key];
|
|
|
|
var enum_name = TrimName(feature.Attribute("name").Value);
|
|
|
|
var e = new XElement("enum", new XAttribute("name", enum_name));
|
|
foreach (var token in
|
|
feature.Elements("enum")
|
|
.Concat(feature.Elements("require").Elements("enum")))
|
|
{
|
|
var token_name = TrimName(token.Attribute("name").Value);
|
|
var token_value =
|
|
enums.ContainsKey(apiname) && enums[apiname].ContainsKey(token_name) ? enums[apiname][token_name] :
|
|
enums["default"].ContainsKey(token_name) ? enums["default"][token_name] :
|
|
String.Empty;
|
|
|
|
if (!String.IsNullOrEmpty(token_value))
|
|
{
|
|
var @enum =
|
|
new XElement(
|
|
"token",
|
|
new XAttribute("name", token_name),
|
|
new XAttribute("value", token_value));
|
|
e.Add(@enum);
|
|
}
|
|
else
|
|
{
|
|
Trace.WriteLine(String.Format("Token {0} is not defined.", token_name));
|
|
}
|
|
}
|
|
|
|
api.Add(e);
|
|
}
|
|
|
|
foreach (var api in APIs.Values)
|
|
{
|
|
var apiname = api.Attribute("name").Value;
|
|
|
|
// Mark deprecated enums
|
|
foreach (var token in feature.Elements("remove").Elements("enum"))
|
|
{
|
|
var token_name = TrimName(token.Attribute("name").Value);
|
|
var deprecated =
|
|
api.Elements("enum").Elements("token")
|
|
.FirstOrDefault(t => t.Attribute("name").Value == token_name);
|
|
|
|
if (deprecated != null)
|
|
{
|
|
if (apiname == "glcore")
|
|
{
|
|
// These tokens do not exist in the glcore profile, remove them
|
|
api.Elements("enum").Elements("token")
|
|
.First(t => t.Attribute("name").Value == token_name)
|
|
.Remove();
|
|
}
|
|
else
|
|
{
|
|
// These tokens exist in all other profiles, mark them as deprecated.
|
|
deprecated.Add(new XAttribute("deprecated", version));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return APIs.Values;
|
|
}
|
|
|
|
IEnumerable<XElement> ParseFunctions(XDocument input)
|
|
{
|
|
// Go through the list of commands and build OpenTK functions out of those.
|
|
// Every function has a number of attributes that define which API version and
|
|
// category (see above) they belong to.
|
|
// It also includes information about the return type and parameters. These
|
|
// are then parsed by the binding generator in order to create the necessary
|
|
// overloads for correct use.
|
|
var features = input.Root.Elements("feature");
|
|
var extensions = input.Root.Elements("extensions").Elements("extension");
|
|
var APIs = new SortedDictionary<string, XElement>();
|
|
|
|
// First we build a list of all available commands,
|
|
// including their parameters and return types.
|
|
var commands = new SortedDictionary<string, XElement>();
|
|
foreach (var command in input.Root.Elements("commands").Elements("command"))
|
|
{
|
|
commands.Add(FunctionName(command), command);
|
|
}
|
|
|
|
// First, we go through all available features and extensions and build a list
|
|
// of commands that belong to them.
|
|
// We will then use this information to "decorate" our bindings with
|
|
// information about versioning, extension support and deprecation.
|
|
foreach (var feature in features.Concat(extensions))
|
|
{
|
|
var category = TrimName(feature.Attribute("name").Value);
|
|
var apinames = GetApiNames(feature);
|
|
|
|
var version =
|
|
(feature.Attribute("number") != null ? feature.Attribute("number").Value : "")
|
|
.Split('|');
|
|
|
|
int i = -1;
|
|
foreach (var apiname in apinames)
|
|
{
|
|
i++;
|
|
|
|
var cmd_category = category;
|
|
var cmd_version = version.Length > i ? version[i] : version[0];
|
|
|
|
var key = apiname + cmd_version;
|
|
if (!APIs.ContainsKey(key))
|
|
APIs.Add(
|
|
key,
|
|
new XElement(
|
|
"api",
|
|
new XAttribute("name", apiname),
|
|
new XAttribute("version", cmd_version)));
|
|
var api = APIs[key];
|
|
|
|
foreach (var command in feature.Elements("require").Elements("command"))
|
|
{
|
|
var cmd_name = TrimName(command.Attribute("name").Value);
|
|
var cmd_extension =
|
|
ExtensionRegex.Match(cmd_name).Value ??
|
|
(feature.Name == "extension" ? category.Substring(0, category.IndexOf("_")) : "Core");
|
|
if (String.IsNullOrEmpty(cmd_extension))
|
|
cmd_extension = "Core";
|
|
|
|
XElement function = TranslateCommand(commands[cmd_name]);
|
|
function.Add(new XAttribute("category", cmd_category));
|
|
function.Add(new XAttribute("extension", cmd_extension));
|
|
if (!String.IsNullOrEmpty(cmd_version))
|
|
function.Add(new XAttribute("version", cmd_version));
|
|
|
|
Merge(api, function);
|
|
}
|
|
}
|
|
|
|
i = -1;
|
|
foreach (var api in APIs.Values)
|
|
{
|
|
i++;
|
|
var apiname = api.Attribute("name").Value;
|
|
var cmd_version = version.Length > i ? version[i] : version[0];
|
|
|
|
// Mark all deprecated functions as such
|
|
foreach (var command in feature.Elements("remove").Elements("command"))
|
|
{
|
|
var deprecated_name = TrimName(command.Attribute("name").Value);
|
|
var deprecated =
|
|
api.Elements("function")
|
|
.FirstOrDefault(t => t.Attribute("name").Value == deprecated_name);
|
|
|
|
if (deprecated != null)
|
|
{
|
|
if (apiname == "glcore")
|
|
{
|
|
// These tokens do not exist in the glcore profile, remove them
|
|
api.Elements("function")
|
|
.First(t => t.Attribute("name").Value == deprecated_name)
|
|
.Remove();
|
|
}
|
|
else
|
|
{
|
|
// These tokens exist in all other profiles, mark them as deprecated.
|
|
deprecated.Add(new XAttribute("deprecated", cmd_version));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return APIs.Values;
|
|
}
|
|
|
|
private void Merge(XElement api, XElement function)
|
|
{
|
|
var type = function.Name.LocalName;
|
|
var name = function.Attribute("name").Value;
|
|
var f = api.Elements(type).FirstOrDefault(p => p.Attribute("name").Value == name);
|
|
if (f != null)
|
|
{
|
|
f.SetAttributeValue("category", String.Join("|",
|
|
new string[] { f.Attribute("category").Value, function.Attribute("category").Value }));
|
|
f.SetAttributeValue("version",
|
|
(f.Attribute("version") ?? function.Attribute("version")).ValueOrDefault());
|
|
|
|
// Sanity check: one function cannot belong to two different extensions
|
|
if (f.Attribute("extension").Value != function.Attribute("extension").Value)
|
|
throw new InvalidOperationException("Different extensions for the same function");
|
|
|
|
}
|
|
else
|
|
{
|
|
api.Add(function);
|
|
}
|
|
}
|
|
|
|
private XElement TranslateCommand(XElement command)
|
|
{
|
|
XElement function = new XElement("function");
|
|
|
|
var cmd_name = FunctionName(command);
|
|
var name = new XAttribute("name", cmd_name);
|
|
|
|
var returns = new XElement(
|
|
"returns",
|
|
new XAttribute(
|
|
"type",
|
|
FunctionParameterType(command.Element("proto"))
|
|
.Replace("const", String.Empty)
|
|
.Replace("struct", String.Empty)
|
|
.Replace("String *", "String")
|
|
.Trim()));
|
|
|
|
foreach (var parameter in command.Elements("param"))
|
|
{
|
|
var param = FunctionParameterType(parameter);
|
|
|
|
var p = new XElement("param");
|
|
var pname = new XAttribute("name", parameter.Element("name").Value);
|
|
var type = new XAttribute(
|
|
"type",
|
|
param
|
|
.Replace("const", String.Empty)
|
|
.Replace("struct", String.Empty)
|
|
.Trim());
|
|
|
|
var count = parameter.Attribute("len") != null ?
|
|
new XAttribute("count", parameter.Attribute("len").Value) : null;
|
|
|
|
var flow = new XAttribute("flow",
|
|
param.Contains("*") && !param.Contains("const") ? "out" : "in");
|
|
|
|
p.Add(pname, type, flow);
|
|
if (count != null)
|
|
{
|
|
p.Add(count);
|
|
}
|
|
|
|
function.Add(p);
|
|
}
|
|
|
|
function.Add(name);
|
|
function.Add(returns);
|
|
return function;
|
|
}
|
|
|
|
string FunctionName(XElement e)
|
|
{
|
|
return TrimName(e.Element("proto").Element("name").Value);
|
|
}
|
|
|
|
string FunctionParameterType(XElement e)
|
|
{
|
|
// Parse the C-like <proto> element. Possible instances:
|
|
// Return types:
|
|
// - <proto>void <name>glGetSharpenTexFuncSGIS</name></proto>
|
|
// -> <returns>void</returns>
|
|
// - <proto group="String">const <ptype>GLubyte</ptype> *<name>glGetString</name></proto>
|
|
// -> <returns>String</returns>
|
|
// Note: group attribute takes precedence if it exists. This matches the old .spec file format.
|
|
// Parameter types:
|
|
// - <param><ptype>GLenum</ptype> <name>shadertype</name></param>
|
|
// -> <param name="shadertype" type="GLenum" />
|
|
// - <param len="1"><ptype>GLsizei</ptype> *<name>length</name></param>
|
|
// -> <param name="length" type="GLsizei" count="1" />
|
|
|
|
var proto = e.Value;
|
|
var name = e.Element("name").Value;
|
|
var group = e.Attribute("group");
|
|
|
|
var ret = proto.Remove(proto.LastIndexOf(name)).Trim();
|
|
|
|
if (group != null)
|
|
{
|
|
var words = ret.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
|
|
if (words[0] == "struct" || words[0] == "const")
|
|
words[1] = group.Value;
|
|
else
|
|
words[0] = group.Value;
|
|
|
|
ret = String.Join(" ", words);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
string TrimName(string name)
|
|
{
|
|
if (name.StartsWith(EnumPrefix))
|
|
return name.Remove(0, EnumPrefix.Length);
|
|
else if (name.StartsWith(FuncPrefix))
|
|
return name.Remove(0, FuncPrefix.Length);
|
|
else
|
|
return name;
|
|
}
|
|
|
|
static string Join(string left, string right)
|
|
{
|
|
if (!String.IsNullOrEmpty(left) && !String.IsNullOrEmpty(right))
|
|
return left + "|" + right;
|
|
else if (!String.IsNullOrEmpty(left))
|
|
return left;
|
|
else if (!String.IsNullOrEmpty(right))
|
|
return right;
|
|
else
|
|
return String.Empty;
|
|
}
|
|
|
|
static XAttribute Lookup(IDictionary<string, XElement> categories, string cmd_name, string attribute)
|
|
{
|
|
if (categories.ContainsKey(cmd_name))
|
|
{
|
|
return categories[cmd_name].Attribute(attribute);
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|