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Add automatic namespoace usings collecting when generating scripting bindings glue code for csharp

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This commit is contained in:
Wojtek Figat
2021-05-27 23:36:07 +02:00
parent b3d9ec687d
commit 810623be61
1 changed files with 19 additions and 39 deletions
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58
Source/Tools/Flax.Build/Bindings/BindingsGenerator.CSharp.cs
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@@ -201,6 +201,8 @@ namespace Flax.Build.Bindings
var apiType = FindApiTypeInfo(buildData, typeInfo, caller);
if (apiType != null)
{
CSharpUsedNamespaces.Add(apiType.Namespace);
if (apiType.IsScriptingObject)
return typeInfo.Type.Replace("::", ".");
@@ -1048,30 +1050,6 @@ namespace Flax.Build.Bindings
return true;
}
private static void GenerateCSharpCollectNamespaces(BuildData buildData, ApiTypeInfo apiType, HashSet<string> usedNamespaces)
{
if (apiType is ClassInfo classInfo)
{
foreach (var field in classInfo.Fields)
{
var fieldInfo = FindApiTypeInfo(buildData, field.Type, classInfo);
if (fieldInfo != null && !string.IsNullOrWhiteSpace(fieldInfo.Namespace) && fieldInfo.Namespace != apiType.Namespace)
usedNamespaces.Add(fieldInfo.Namespace);
}
}
else if (apiType is StructureInfo structureInfo)
{
foreach (var field in structureInfo.Fields)
{
var fieldInfo = FindApiTypeInfo(buildData, field.Type, structureInfo);
if (fieldInfo != null && !string.IsNullOrWhiteSpace(fieldInfo.Namespace) && fieldInfo.Namespace != apiType.Namespace)
usedNamespaces.Add(fieldInfo.Namespace);
}
}
foreach (var child in apiType.Children)
GenerateCSharpCollectNamespaces(buildData, child, usedNamespaces);
}
private static void GenerateCSharp(BuildData buildData, ModuleInfo moduleInfo, ref BindingsResult bindings)
{
var contents = new StringBuilder();
@@ -1084,29 +1062,17 @@ namespace Flax.Build.Bindings
contents.Append("true").AppendLine();
contents.AppendLine("// This code was auto-generated. Do not modify it.");
contents.AppendLine();
var headerPos = contents.Length;
// Using declarations
CSharpUsedNamespaces.Clear();
CSharpUsedNamespaces.Add(null);
CSharpUsedNamespaces.Add(string.Empty);
CSharpUsedNamespaces.Add("System");
CSharpUsedNamespaces.Add("System.ComponentModel");
CSharpUsedNamespaces.Add("System.Globalization");
CSharpUsedNamespaces.Add("System.Runtime.CompilerServices");
CSharpUsedNamespaces.Add("System.Runtime.InteropServices");
CSharpUsedNamespaces.Add("FlaxEngine");
foreach (var e in moduleInfo.Children)
{
foreach (var apiTypeInfo in e.Children)
{
GenerateCSharpCollectNamespaces(buildData, apiTypeInfo, CSharpUsedNamespaces);
}
}
CSharpUsedNamespacesSorted.Clear();
CSharpUsedNamespacesSorted.AddRange(CSharpUsedNamespaces);
CSharpUsedNamespacesSorted.Sort();
foreach (var e in CSharpUsedNamespacesSorted)
contents.AppendLine($"using {e};");
// TODO: custom using declarations support
// TODO: generate using declarations based on references modules (eg. using FlaxEngine, using Plugin1 in game API)
// Process all API types from the file
var useBindings = false;
@@ -1121,7 +1087,21 @@ namespace Flax.Build.Bindings
if (!useBindings)
return;
{
var header = new StringBuilder();
// Using declarations
CSharpUsedNamespacesSorted.Clear();
CSharpUsedNamespacesSorted.AddRange(CSharpUsedNamespaces);
CSharpUsedNamespacesSorted.Sort();
for (var i = 2; i < CSharpUsedNamespacesSorted.Count; i++)
header.AppendLine($"using {CSharpUsedNamespacesSorted[i]};");
contents.Insert(headerPos, header.ToString());
}
// Save generated file
contents.AppendLine();
contents.AppendLine("#endif");
Utilities.WriteFileIfChanged(bindings.GeneratedCSharpFilePath, contents.ToString());
}