remove getopt, use WasmOptionParser instead

1 files changed, 65 insertions, 0 deletions

diff --git a/src/wasm-option-parser.h b/src/wasm-option-parser.h
new file mode 100644
index 00000000..20601914
--- /dev/null
+++ b/src/wasm-option-parser.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2016 WebAssembly Community Group participants
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef WASM_OPTION_PARSER_H_
+#define WASM_OPTION_PARSER_H_
+
+#include "wasm-common.h"
+
+enum {
+  WASM_OPTION_NO_ARGUMENT,
+  WASM_OPTION_HAS_ARGUMENT,
+};
+
+struct WasmOption;
+struct WasmOptionParser;
+typedef void (*WasmOptionCallback)(struct WasmOptionParser*,
+                                   struct WasmOption*,
+                                   const char* argument);
+typedef void (*WasmArgumentCallback)(struct WasmOptionParser*,
+                                     const char* argument);
+typedef void (*WasmOptionErrorCallback)(struct WasmOptionParser*,
+                                        const char* message);
+
+typedef struct WasmOption {
+  int id;
+  char short_name;
+  const char* long_name;
+  const char* metavar;
+  int has_argument;
+  const char* help;
+} WasmOption;
+
+typedef struct WasmOptionParser {
+  WasmOption* options;
+  int num_options;
+  WasmOptionCallback on_option;
+  WasmArgumentCallback on_argument;
+  WasmOptionErrorCallback on_error;
+  void* user_data;
+
+  /* cached after call to wasm_parse_options */
+  char* argv0;
+} WasmOptionParser;
+
+WASM_EXTERN_C_BEGIN
+void wasm_parse_options(WasmOptionParser* parser,
+                        int argc,
+                        char** argv);
+void wasm_print_help(WasmOptionParser* parser);
+WASM_EXTERN_C_END
+
+#endif /* WASM_OPTION_PARSER_H_ */