object extensions

Author: rajveermalviya

gen/cheader.tmpl

@@ -187,7 +187,7 @@ typedef WGPUProc (*WGPUProcGetProcAddress)(WGPUDevice device, char const * procN
 {{-     MComment .Doc 0}}
 typedef {{FunctionReturns .}} (*WGPUProc{{$object.Name | PascalCase}}{{.Name | PascalCase}})({{FunctionArgs . $object}}) WGPU_FUNCTION_ATTRIBUTE;
 {{-   end}}
-{{-   if not .IsStruct}}
+{{-   if not (or .IsStruct .Extended)}}
 typedef void (*WGPUProc{{.Name | PascalCase}}Reference)(WGPU{{.Name | PascalCase}} {{.Name | CamelCase}}) WGPU_FUNCTION_ATTRIBUTE;
 typedef void (*WGPUProc{{.Name | PascalCase}}Release)(WGPU{{.Name | PascalCase}} {{.Name | CamelCase}}) WGPU_FUNCTION_ATTRIBUTE;
 {{-   end}}
@@ -211,7 +211,7 @@ WGPU_EXPORT WGPUProc wgpuGetProcAddress(WGPUDevice device, char const * procName
 {{-     MComment .Doc 0}}
 WGPU_EXPORT {{FunctionReturns .}} wgpu{{$object.Name | PascalCase}}{{.Name | PascalCase}}({{FunctionArgs . $object}}) WGPU_FUNCTION_ATTRIBUTE;
 {{-   end}}
-{{-   if not .IsStruct}}
+{{-   if not (or .IsStruct .Extended)}}
 WGPU_EXPORT void wgpu{{.Name | PascalCase}}Reference(WGPU{{.Name | PascalCase}} {{.Name | CamelCase}}) WGPU_FUNCTION_ATTRIBUTE;
 WGPU_EXPORT void wgpu{{.Name | PascalCase}}Release(WGPU{{.Name | PascalCase}} {{.Name | CamelCase}}) WGPU_FUNCTION_ATTRIBUTE;
 {{-   end}}

gen/validator.go

@@ -82,6 +82,9 @@ func mergeAndValidateDuplicates(yamlPaths []string) (errs error) {
 		}
 		for _, bf := range data.Bitflags {
 			if prevBf, ok := bitflags[bf.Name]; ok {
+				if !bf.Extended {
+					errs = errors.Join(errs, fmt.Errorf("merge: bitflags.%s in %s is being extended but isn't marked as one", bf.Name, yamlPath))
+				}
 				for _, entry := range bf.Entries {
 					if slices.ContainsFunc(prevBf.Entries, func(e BitflagEntry) bool { return e.Name == entry.Name }) {
 						errs = errors.Join(errs, fmt.Errorf("merge: bitflags.%s.%s in %s was already found previously while parsing, duplicates are not allowed", bf.Name, entry.Name, yamlPath))
@@ -113,6 +116,9 @@ func mergeAndValidateDuplicates(yamlPaths []string) (errs error) {
 		}
 		for _, o := range data.Objects {
 			if prevObj, ok := objects[o.Name]; ok {
+				if !o.Extended {
+					errs = errors.Join(errs, fmt.Errorf("merge: objects.%s in %s is being extended but isn't marked as one", o.Name, yamlPath))
+				}
 				for _, method := range o.Methods {
 					if slices.ContainsFunc(prevObj.Methods, func(f Function) bool { return f.Name == method.Name }) {
 						errs = errors.Join(errs, fmt.Errorf("merge: objects.%s.%s in %s was already found previously while parsing, duplicates are not allowed", o.Name, method.Name, yamlPath))

gen/yml.go

@@ -39,9 +39,10 @@ type EnumEntry struct {
 }
 
 type Bitflag struct {
-	Name    string         `yaml:"name"`
-	Doc     string         `yaml:"doc"`
-	Entries []BitflagEntry `yaml:"entries"`
+	Name     string         `yaml:"name"`
+	Doc      string         `yaml:"doc"`
+	Entries  []BitflagEntry `yaml:"entries"`
+	Extended bool           `yaml:"extended"`
 }
 type BitflagEntry struct {
 	Name             string   `yaml:"name"`
@@ -93,9 +94,10 @@ const (
 )
 
 type Object struct {
-	Name    string     `yaml:"name"`
-	Doc     string     `yaml:"doc"`
-	Methods []Function `yaml:"methods"`
+	Name     string     `yaml:"name"`
+	Doc      string     `yaml:"doc"`
+	Methods  []Function `yaml:"methods"`
+	Extended bool       `yaml:"extended"`
 
 	IsStruct bool `yaml:"-"`
 }

schema.json

@@ -242,6 +242,10 @@
                     "doc": {
                         "type": "string"
                     },
+                    "extended": {
+                        "type": "boolean",
+                        "description": "Optional property, an indicator that this bitflag is an extension of an already present bitflag"
+                    },
                     "entries": {
                         "type": "array",
                         "items": {
@@ -352,6 +356,10 @@
                     "doc": {
                         "type": "string"
                     },
+                    "extended": {
+                        "type": "boolean",
+                        "description": "Optional property, an indicator that this object is an extension of an already present object"
+                    },
                     "methods": {
                         "type": "array",
                         "items": {