feature: Read the input module

README.md

@@ -32,6 +32,6 @@ $ make
 ## 実行方法
 
 ```shell
-$ kyut <input-wasm> <watermark>
+$ snpi <input-wasm> <watermark>
 $ pisn <input-wasm>
 ```

example/add.wast

+(module
+    (export "add2" (func $add2))
+    (export "add3" (func $add3))
+    (func $add2 (param $a i32) (param $b i32) (result i32)
+        (i32.add
+            (local.get $a)
+            (local.get $b)
+        )
+    )
+    (func $add3 (param $a i32) (param $b i32) (param $c i32) (result i32)
+        (i32.add
+            (i32.add
+                (local.get $a)
+                (local.get $b)
+            )
+            (local.get $c)
+        )
+    )
+)

src/CMakeLists.txt

@@ -6,10 +6,11 @@
 #     fmt::fmt
 # )
 
-add_executable(kyut
-    kyut.cpp
+add_executable(snpi
+    snpi.cpp
 )
 
-target_link_libraries(kyut
+target_link_libraries(snpi
+    binaryen::binaryen
     fmt::fmt
 )

src/kyut.cpp

-#include <fmt/printf.h>
-
-int main() {
-    fmt::print("Hello, {}\n", "kyut");
-}

src/snpi.cpp

+#include <fmt/printf.h>
+
+#include <wasm-io.h>
+
+int main(int argc, char *argv[]) {
+    // Parse command line options
+    if (argc != 2) {
+        fmt::print(std::cerr, "{} <input file>\n", argv[0]);
+
+        return 1;
+    }
+
+    const std::string inputFile = argv[1];
+
+    try {
+        // Read the input module
+        wasm::Module module;
+        wasm::ModuleReader{}.read(inputFile, module);
+    } catch (const wasm::ParseException &e) {
+        e.dump(std::cerr);
+    } catch (...) {
+        fmt::print(std::cerr, "unknown exception\n");
+    }
+}