Files
LuaCsForBarotraumaEP/luacs-docs/lua/scripts/LuaDocsGenerator/DocsGenerator.cs
2024-08-25 16:49:45 -03:00

628 lines
20 KiB
C#

using FarseerPhysics.Collision.Shapes;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.Metrics;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
namespace LuaDocsGenerator
{
public class DocsGenerator
{
private static HashSet<string> removed = new HashSet<string>();
public static string NormalizeGenericTypeName(string s)
{
var idx = s.LastIndexOf('`');
if (idx != -1)
{
return s[..idx];
}
return s;
}
public static string TypeToString(Type type, bool useLuaTypes = true)
{
// Return "T" for unresolved type params
if (type.IsGenericParameter)
{
return type.Name;
}
var genericType = type.IsGenericType
? type.GetGenericTypeDefinition()
: null;
if (type == typeof(bool))
{
return "bool";
}
if (type == typeof(string))
{
return "string";
}
if (useLuaTypes)
{
if (type == typeof(sbyte)
|| type == typeof(byte)
|| type == typeof(short)
|| type == typeof(ushort)
|| type == typeof(int)
|| type == typeof(uint)
|| type == typeof(long)
|| type == typeof(ulong)
|| type == typeof(float)
|| type == typeof(double))
{
return "number";
}
if (genericType == typeof(List<>)
|| genericType == typeof(Dictionary<,>))
{
return "table";
}
if (genericType == typeof(Action<,>)
|| genericType == typeof(Func<,>))
{
return "function";
}
}
var nsToRemove = new[] {
"Barotrauma",
"System",
"System.Collections",
"System.Collections.Generic",
};
string Namespaced(string typeName)
{
if (type.Namespace == null)
{
return typeName;
}
// Full namespace match
if (nsToRemove.Contains(type.Namespace))
{
return typeName;
}
// Partial namespace match
foreach (var ns in nsToRemove)
{
if (ns == type.Namespace)
{
return typeName;
}
if (type.Namespace.StartsWith(ns + "."))
{
var shortNs = type.Namespace.Remove(0, ns.Length + 1);
return $"{shortNs}.{typeName}";
}
}
return $"{type.Namespace}.{typeName}";
}
string Impl(string? ns)
{
if (type.IsGenericType)
{
var genericTypeDef = type.GetGenericTypeDefinition();
var genericTypeName = NormalizeGenericTypeName(genericTypeDef.Name);
var genericArgs = type.GetGenericArguments();
// Use the `T?` notation instead of Nullable<T>
if (genericTypeDef == typeof(Nullable<>))
{
// ldoc supports the "?string" notation, which expands to "?|nil|string"
if (useLuaTypes)
{
return Namespaced("?" + TypeToString(genericArgs[0], useLuaTypes: false));
}
else
{
return Namespaced(TypeToString(genericArgs[0], useLuaTypes: false) + "?");
}
}
var sb = new StringBuilder();
sb.Append(genericTypeName);
sb.Append("<");
foreach (var genericArgType in genericArgs)
{
sb.Append(TypeToString(genericArgType, useLuaTypes: false));
sb.Append(",");
}
// Remove the last separator
sb.Length--;
sb.Append(">");
return Namespaced(sb.ToString());
}
return Namespaced(type.Name);
}
return Impl(type.Namespace);
}
public static (bool Success, string Output, string Error) TryRunGitCommand(string args)
{
static string? GetGitBinary()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
return Environment.GetEnvironmentVariable("PATH", EnvironmentVariableTarget.Process)
?.Split(';')
.Select(x => Path.Join(x, "git.exe"))
.FirstOrDefault(File.Exists);
}
else
{
return Environment.GetEnvironmentVariable("PATH", EnvironmentVariableTarget.Process)
?.Split(':')
.Select(x => Path.Join(x, "git"))
.FirstOrDefault(File.Exists);
}
}
var gitBinary = GetGitBinary();
if (gitBinary == null)
{
throw new InvalidOperationException("Failed to find git binary in PATH");
}
using var process = Process.Start(new ProcessStartInfo(gitBinary, args)
{
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardInput = true,
RedirectStandardError = true,
RedirectStandardOutput = true,
});
if (process == null)
throw new InvalidOperationException($"Failed to run git command: {args}");
process.Start();
var stdOut = process.StandardOutput.ReadToEndAsync();
var stdErr = process.StandardError.ReadToEndAsync();
Task.WhenAll(stdOut, stdErr).GetAwaiter().GetResult();
process.WaitForExit();
return (process.ExitCode == 0, stdOut.Result.TrimEnd('\r', '\n'), stdErr.Result);
}
private static string EscapeName(string n)
{
return n switch
{
"end" => "endparam",
_ => n
};
}
private static string? ConvertAnnotation(Type type, MemberInfo member, string realm)
{
switch (member.MemberType)
{
case MemberTypes.Method:
return ConvertAnnotation(type, (MethodInfo)member, realm);
case MemberTypes.Field:
return ConvertAnnotation(type, (FieldInfo)member, realm);
case MemberTypes.Property:
return ConvertAnnotation(type, (PropertyInfo)member, realm);
}
return null;
}
private static string? ConvertAnnotation(Type type, MethodInfo method, string realm)
{
StringBuilder sb = new StringBuilder();
// Exclude property getters/setters
if (method.IsSpecialName)
{
return null;
}
var paramNames = new StringBuilder();
foreach (var parameter in method.GetParameters())
{
paramNames.Append(EscapeName(parameter.Name!));
paramNames.Append(", ");
}
if (paramNames.Length > 0)
{
// Remove the last separator
paramNames.Length -= 2;
}
string functionDecoration;
if (method.IsStatic)
{
functionDecoration = $"function {type.Name}.{method.Name}({paramNames}) end";
}
else
{
functionDecoration = $"function {method.Name}({paramNames}) end";
}
if (removed.Contains("-- @remove " + functionDecoration))
{
Console.WriteLine($"removed {functionDecoration}");
return null;
}
Console.WriteLine($" - METHOD: {method}");
sb.AppendLine($"--- {method.Name}");
sb.AppendLine($"-- @realm {realm}");
foreach (var parameter in method.GetParameters())
{
sb.AppendLine($"-- @tparam {TypeToString(parameter.ParameterType)} {EscapeName(parameter.Name!)}");
}
if (method.ReturnType != typeof(void))
{
sb.AppendLine($"-- @treturn {TypeToString(method.ReturnType)}");
}
sb.AppendLine(functionDecoration);
return sb.ToString();
}
private static string? ConvertAnnotation(Type type, FieldInfo field, string realm)
{
StringBuilder sb = new StringBuilder();
var name = EscapeName(field.Name);
var returnName = TypeToString(field.FieldType);
if (field.IsStatic)
{
name = type.Name + "." + field.Name;
}
if (removed.Contains("-- @remove " + name))
{
Console.WriteLine($"removed {name}");
return null;
}
Console.WriteLine($" - FIELD: {name}");
sb.AppendLine("---");
sb.Append("-- ");
sb.Append(name);
sb.AppendLine($", field of type {returnName}");
sb.AppendLine($"-- @realm {realm}");
sb.AppendLine($"-- @field {name}");
return sb.ToString();
}
public static string? ConvertAnnotation(Type type, PropertyInfo property, string realm)
{
StringBuilder sb = new StringBuilder();
var name = EscapeName(property.Name);
var returnName = TypeToString(property.PropertyType);
if (property.GetGetMethod()?.IsStatic == true || property.GetSetMethod()?.IsStatic == true)
{
name = type.Name + "." + property.Name;
}
if (removed.Contains("-- @remove " + name))
{
Console.WriteLine($"removed {name}");
return null;
}
Console.WriteLine($" - PROPERTY: {name}");
sb.AppendLine("---");
sb.Append("-- ");
sb.Append(name);
sb.AppendLine($", field of type {returnName}");
sb.AppendLine("-- @realm shared");
sb.AppendLine($"-- @field {name}");
return sb.ToString();
}
private static string? GetSignature(MemberInfo member)
{
switch (member.MemberType)
{
case MemberTypes.Method:
return GetSignature((MethodInfo)member);
case MemberTypes.Field:
return GetSignature((FieldInfo)member);
case MemberTypes.Property:
return GetSignature((PropertyInfo)member);
}
return null;
}
private static string GetSignature(FieldInfo field)
{
StringBuilder sb = new StringBuilder();
sb.Append(field.FieldType.Name);
sb.Append(" ");
sb.Append(field.Name);
return sb.ToString();
}
private static string GetSignature(PropertyInfo property)
{
StringBuilder sb = new StringBuilder();
sb.Append(property.PropertyType.Name);
sb.Append(" ");
sb.Append(property.Name);
return sb.ToString();
}
private static string GetSignature(MethodInfo method)
{
StringBuilder sb = new StringBuilder();
bool firstParam = true;
sb.Append(method.ReturnType.Name);
sb.Append(' ');
sb.Append(method.Name);
// Add method generics
if (method.IsGenericMethod)
{
sb.Append("<");
foreach (var g in method.GetGenericArguments())
{
if (firstParam)
{
firstParam = false;
}
else
{
sb.Append(", ");
}
sb.Append(g.Name);
}
sb.Append(">");
}
sb.Append("(");
firstParam = true;
foreach (var param in method.GetParameters())
{
if (firstParam)
{
firstParam = false;
if (method.IsDefined(typeof(System.Runtime.CompilerServices.ExtensionAttribute), false))
{
sb.Append("this ");
}
}
sb.Append(", ");
if (param.ParameterType.IsByRef)
{
sb.Append("ref ");
}
else if (param.IsOut)
{
sb.Append("out ");
}
sb.Append(param.ParameterType.Name);
sb.Append(' ');
sb.Append(param.Name);
}
sb.Append(")");
return sb.ToString();
}
private static string GenerateBaseDoc(Type type, string categoryName, string baseFile)
{
string baseLuaText;
try
{
baseLuaText = File.ReadAllText(baseFile);
}
catch (FileNotFoundException)
{
baseLuaText = @$"-- luacheck: ignore 111
--[[--
{type.FullName}
]]
-- @code {categoryName}
-- @pragma nostrip
local {type.Name} = {{}}".ReplaceLineEndings("\n");
File.WriteAllText(baseFile, baseLuaText);
}
removed = new HashSet<string>();
var removeTagPattern = new Regex("^-- @remove (.*)$", RegexOptions.Multiline);
var matches = removeTagPattern.Matches(baseLuaText);
foreach (var match in matches.Cast<Match>())
{
removed.Add(match.Value);
}
return baseLuaText;
}
public static void GenerateDocs(Type type, string baseFile, string outFile, string? categoryName = null, string realm = "shared")
{
categoryName ??= type.Name;
var sb = new StringBuilder();
Console.WriteLine($"Generating docs for {type}");
string baseDoc = GenerateBaseDoc(type, categoryName, baseFile);
sb.Append(baseDoc);
sb.AppendLine();
sb.AppendLine();
var members = type.GetMembers(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
foreach (var member in members)
{
switch (member.MemberType)
{
case MemberTypes.Method:
{
sb.Append(ConvertAnnotation(type, (MethodInfo)member, realm));
sb.AppendLine();
break;
}
case MemberTypes.Field:
{
sb.Append(ConvertAnnotation(type, (FieldInfo)member, realm));
sb.AppendLine();
break;
}
case MemberTypes.Property:
{
sb.Append(ConvertAnnotation(type, (PropertyInfo)member, realm));
sb.AppendLine();
break;
}
}
}
new FileInfo(outFile).Directory.Create();
File.WriteAllText(outFile, sb.ToString());
}
public static void GenerateEnum(Type enumType, string outFile, string categoryName = null, string realm = "shared")
{
StringBuilder sb = new StringBuilder();
categoryName = categoryName ?? enumType.Name;
sb.AppendLine($@"--[[--
{enumType.Name} enum.
]]
-- @enum {categoryName}");
sb.AppendLine();
FieldInfo[] fields = enumType.GetFields();
for (int i = 0; i < fields.Length; i++)
{
if (fields[i].Name.Equals("value__")) { continue; }
sb.AppendLine("---");
sb.AppendLine($"-- {categoryName}.{fields[i].Name} = {fields[i].GetRawConstantValue()}");
sb.AppendLine($"-- @realm {realm}");
sb.AppendLine($"-- @number {categoryName}.{fields[i].Name}");
sb.AppendLine();
}
new FileInfo(outFile).Directory.Create();
File.WriteAllText(outFile, sb.ToString());
}
public static void GenerateDocs(Type clientType, Type serverType, string baseFile, string outFile, string? categoryName = null)
{
categoryName ??= clientType.Name;
var sb = new StringBuilder();
Console.WriteLine($"Generating docs for {clientType} and {serverType}");
sb.Append(GenerateBaseDoc(clientType, categoryName, baseFile));
sb.AppendLine();
sb.AppendLine();
List<(string?, MemberInfo)> clientTypes = new List<(string?, MemberInfo)>();
List<(string?, MemberInfo)> serverTypes = new List<(string?, MemberInfo)>();
var clientMembers = clientType.GetMembers(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
var serverMembers = serverType.GetMembers(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
foreach (var member in clientMembers)
{
clientTypes.Add((GetSignature(member), member));
}
foreach (var member in serverMembers)
{
serverTypes.Add((GetSignature(member), member));
}
var ids = clientTypes.Select(x => x.Item1).Intersect(serverTypes.Select(x => x.Item1));
List<(string?, MemberInfo)> sharedTypes = clientTypes.Where(x => ids.Contains(x.Item1)).ToList();
foreach (var type in sharedTypes)
{
string? result = ConvertAnnotation(clientType, type.Item2, "shared");
if (result != null)
{
sb.Append(result);
sb.AppendLine();
}
}
foreach (var type in clientTypes)
{
string? result = ConvertAnnotation(clientType, type.Item2, "client");
if (result != null && !sharedTypes.Select(x => x.Item1).Contains(type.Item1))
{
sb.Append(result);
sb.AppendLine();
}
}
foreach (var type in serverTypes)
{
string? result = ConvertAnnotation(clientType, type.Item2, "server");
if (result != null && !sharedTypes.Select(x => x.Item1).Contains(type.Item1))
{
sb.Append(result);
sb.AppendLine();
}
}
new FileInfo(outFile).Directory.Create();
File.WriteAllText(outFile, sb.ToString());
}
}
}