feat: C

cmd/arpack/main.go

@@ -18,6 +18,7 @@ func main() {
 	outCS := flag.String("out-cs", "", "output directory for generated C# code")
 	outTS := flag.String("out-ts", "", "output directory for generated TypeScript code")
 	outLua := flag.String("out-lua", "", "output directory for generated Lua code")
+	outC := flag.String("out-c", "", "output directory for generated C code")
 	namespace := flag.String("cs-namespace", "Arpack.Messages", "C# namespace")
 	flag.Parse()
 
@@ -25,8 +26,8 @@ func main() {
 		log.Fatal("arpack: -in is required")
 	}
 
-	if *outGo == "" && *outCS == "" && *outTS == "" && *outLua == "" {
-		log.Fatal("arpack: at least one of -out-go, -out-cs, -out-ts, or -out-lua is required")
+	if *outGo == "" && *outCS == "" && *outTS == "" && *outLua == "" && *outC == "" {
+		log.Fatal("arpack: at least one of -out-go, -out-cs, -out-ts, -out-lua, or -out-c is required")
 	}
 
 	schema, err := parser.ParseSchemaFile(*in)
@@ -115,6 +116,31 @@ func main() {
 
 		fmt.Printf("arpack: wrote %s\n", outPath)
 	}
+
+	if *outC != "" {
+		snakeBase := toSnakeCase(baseName)
+		headerSrc, sourceSrc, err := generator.GenerateCSchema(schema, snakeBase)
+		if err != nil {
+			log.Fatalf("arpack: C generation error: %v", err)
+		}
+
+		headerPath := filepath.Join(*outC, snakeBase+".gen.h")
+		sourcePath := filepath.Join(*outC, snakeBase+".gen.c")
+
+		if err := os.MkdirAll(*outC, 0755); err != nil {
+			log.Fatalf("arpack: mkdir %s: %v", *outC, err)
+		}
+
+		if err := os.WriteFile(headerPath, headerSrc, 0644); err != nil {
+			log.Fatalf("arpack: write %s: %v", headerPath, err)
+		}
+		if err := os.WriteFile(sourcePath, sourceSrc, 0644); err != nil {
+			log.Fatalf("arpack: write %s: %v", sourcePath, err)
+		}
+
+		fmt.Printf("arpack: wrote %s\n", headerPath)
+		fmt.Printf("arpack: wrote %s\n", sourcePath)
+	}
 }
 
 func toTitle(s string) string {