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-rwxr-xr-xbuild.sh2
-rw-r--r--src/wasm2asm-main.cpp53
2 files changed, 55 insertions, 0 deletions
diff --git a/build.sh b/build.sh
index 0e62486b5..60ee627e7 100755
--- a/build.sh
+++ b/build.sh
@@ -2,6 +2,8 @@ echo "building binaryen shell"
g++ -O2 -std=c++11 src/binaryen-shell.cpp src/pass.cpp src/passes/*.cpp -o bin/binaryen-shell -Isrc/ -msse2 -mfpmath=sse # use sse for math, avoid x87, necessarily for proper float rounding on 32-bit
echo "building asm2wasm"
g++ -O2 -std=c++11 src/asm2wasm-main.cpp src/emscripten-optimizer/parser.cpp src/emscripten-optimizer/simple_ast.cpp src/emscripten-optimizer/optimizer-shared.cpp -o bin/asm2wasm
+#echo "building wasm2asm"
+#g++ -O2 -std=c++11 src/wasm2asm-main.cpp src/emscripten-optimizer/parser.cpp src/emscripten-optimizer/simple_ast.cpp src/emscripten-optimizer/optimizer-shared.cpp -o bin/wasm2asm
echo "building interpreter/js"
em++ -std=c++11 src/wasm-js.cpp src/emscripten-optimizer/parser.cpp src/emscripten-optimizer/simple_ast.cpp src/emscripten-optimizer/optimizer-shared.cpp -o bin/wasm.js -s MODULARIZE=1 -s 'EXPORT_NAME="WasmJS"' --memory-init-file 0 -Oz -s ALLOW_MEMORY_GROWTH=1 -profiling -s DEMANGLE_SUPPORT=1 #-DWASM_JS_DEBUG -DWASM_INTERPRETER_DEBUG=2
cat src/js/post.js >> bin/wasm.js
diff --git a/src/wasm2asm-main.cpp b/src/wasm2asm-main.cpp
new file mode 100644
index 000000000..d67bf7a6a
--- /dev/null
+++ b/src/wasm2asm-main.cpp
@@ -0,0 +1,53 @@
+//
+// wasm2asm console tool
+//
+
+#include "wasm2asm.h"
+
+using namespace cashew;
+using namespace wasm;
+
+namespace wasm {
+int debug = 0;
+}
+
+int main(int argc, char **argv) {
+ debug = getenv("WASM2ASM_DEBUG") ? getenv("WASM2ASM_DEBUG")[0] - '0' : 0;
+
+ char *infile = argv[1];
+
+ if (debug) std::cerr << "loading '" << infile << "'...\n";
+ FILE *f = fopen(argv[1], "r");
+ assert(f);
+ fseek(f, 0, SEEK_END);
+ int size = ftell(f);
+ char *input = new char[size+1];
+ rewind(f);
+ int num = fread(input, 1, size, f);
+ // On Windows, ftell() gives the byte position (\r\n counts as two bytes), but when
+ // reading, fread() returns the number of characters read (\r\n is read as one char \n, and counted as one),
+ // so return value of fread can be less than size reported by ftell, and that is normal.
+ assert((num > 0 || size == 0) && num <= size);
+ fclose(f);
+ input[num] = 0;
+
+ SExpressionParser parser(input);
+ Element& root = *parser.root;
+ AllocatingModule wasm;
+ SExpressionWasmBuilder builder(wasm, *root[0], [&]() { abort(); });
+
+ if (debug) std::cerr << "parsing...\n";
+ cashew::Parser<Ref, DotZeroValueBuilder> builder;
+ Ref asmjs = builder.parseToplevel(input);
+
+ if (debug) std::cerr << "asming...\n";
+ Wasm2AsmBuilder wasm2asm;
+ Ref asmjs = wasm2asm.processWasm(wasm);
+
+ if (debug) std::cerr << "printing...\n";
+ asmjs->stringify(std::cout);
+ std::cout << '\n';
+
+ if (debug) std::cerr << "done.\n";
+}
+