diff options
-rwxr-xr-x | build.sh | 2 | ||||
-rw-r--r-- | src/wasm2asm-main.cpp | 53 |
2 files changed, 55 insertions, 0 deletions
@@ -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"; +} + |