feat(cmd): read input wasm files

CMakeLists.txt

 cmake_minimum_required(VERSION 3.0.0)
 
-set(CMAKE_CXX_FLAGS "-std=c++2a -Wall -Wextra -Werror -pedantic")
+set(CMAKE_CXX_FLAGS "-std=c++17 -Wall -Wextra -Werror -pedantic")
 set(CMAKE_CXX_FLAGS_DEBUG "-g3 -O0")
 set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-g3 -Og")

src/CMakeLists.txt

@@ -4,6 +4,7 @@ add_executable(snpi
 
 target_link_libraries(snpi
     cmdline::cmdline
+    binaryen::binaryen
     fmtlib::fmt
 )
 
@@ -13,5 +14,6 @@ add_executable(pisn
 
 target_link_libraries(pisn
     cmdline::cmdline
+    binaryen::binaryen
     fmtlib::fmt
 )

src/pisn.cpp

 #include <fmt/printf.h>
 #include "cmdline.h"
+#include "wasm-io.h"
 
 namespace {
     const std::string program_name = "pisn";
@@ -37,7 +38,16 @@ int main(int argc, char* argv[]) {
 
     const auto input = options.rest()[0];
     const auto method = options.get<std::string>("method");
-    const auto chunk_size = options.get<std::size_t>("chunk-size");
+    [[maybe_unused]] const auto chunk_size = options.get<std::size_t>("chunk-size");
 
-    (void)chunk_size;
+    try {
+        wasm::Module module{};
+        wasm::ModuleReader{}.read(input, module);
+    } catch (const std::exception& e) {
+        fmt::print(std::cerr, "error: {}\n", e.what());
+        std::exit(EXIT_FAILURE);
+    } catch (const wasm::ParseException& e) {
+        e.dump(std::cerr);
+        std::exit(EXIT_FAILURE);
+    }
 }

src/snpi.cpp

 #include <fmt/printf.h>
 #include "cmdline.h"
+#include "wasm-io.h"
 
 namespace {
     const std::string program_name = "snpi";
@@ -39,7 +40,16 @@ int main(int argc, char* argv[]) {
     const auto input = options.rest()[0];
     const auto output = options.get<std::string>("output");
     const auto method = options.get<std::string>("method");
-    const auto chunk_size = options.get<std::size_t>("chunk-size");
+    [[maybe_unused]] const auto chunk_size = options.get<std::size_t>("chunk-size");
 
-    (void)chunk_size;
+    try {
+        wasm::Module module{};
+        wasm::ModuleReader{}.read(input, module);
+    } catch (const std::exception& e) {
+        fmt::print(std::cerr, "error: {}\n", e.what());
+        std::exit(EXIT_FAILURE);
+    } catch (const wasm::ParseException& e) {
+        e.dump(std::cerr);
+        std::exit(EXIT_FAILURE);
+    }
 }