diff options
Diffstat (limited to 'src/sexpr-wasm.c')
| -rw-r--r-- | src/sexpr-wasm.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/src/sexpr-wasm.c b/src/sexpr-wasm.c index 268e8848..2895f3a9 100644 --- a/src/sexpr-wasm.c +++ b/src/sexpr-wasm.c @@ -73,6 +73,25 @@ enum { NUM_FLAGS }; +static const char s_description[] = + " read a file in the wasm s-expression format, check it for errors, and\n" + " convert it to the wasm binary format.\n" + "\n" + "examples:\n" + " # parse and typecheck test.wast\n" + " $ sexpr-wasm test.wast\n" + "\n" + " # parse test.wast and write to binary file test.wasm\n" + " $ sexpr-wasm test.wast -o test.wasm\n" + "\n" + " # parse spec-test.wast, and write verbose output to stdout (including\n" + " # the meaning of every byte)\n" + " $ sexpr-wasm spec-test.wast -v\n" + "\n" + " # parse spec-test.wast, and write files to spec-test.json. Modules are\n" + " # written to spec-test.0.wasm, spec-test.1.wasm, etc.\n" + " $ sexpr-wasm spec-test.wast --spec -o spec-test.json\n"; + static WasmOption s_options[] = { {FLAG_VERBOSE, 'v', "verbose", NULL, NOPE, "use multiple times for more info"}, @@ -82,13 +101,15 @@ static WasmOption s_options[] = { {FLAG_OUTPUT, 'o', "output", "FILE", YEP, "output file for the generated binary format"}, {FLAG_SPEC, 0, "spec", NULL, NOPE, - "parse a file with multiple modules and assertions, like the spec tests"}, + "parse a file with multiple modules and assertions, like the spec " + "tests"}, {FLAG_USE_LIBC_ALLOCATOR, 0, "use-libc-allocator", NULL, NOPE, "use malloc, free, etc. instead of stack allocator"}, {FLAG_NO_CANONICALIZE_LEB128S, 0, "no-canonicalize-leb128s", NULL, NOPE, "Write all LEB128 sizes as 5-bytes instead of their minimal size"}, {FLAG_NO_REMAP_LOCALS, 0, "no-remap-locals", NULL, NOPE, - "If set, function locals are written in source order, instead of packing " + "If set, function locals are written in source order, instead of " + "packing " "them to reduce size"}, {FLAG_DEBUG_NAMES, 0, "debug-names", NULL, NOPE, "Write debug names to the generated binary file"}, @@ -151,6 +172,7 @@ static void on_option_error(struct WasmOptionParser* parser, static void parse_options(int argc, char** argv) { WasmOptionParser parser; WASM_ZERO_MEMORY(parser); + parser.description = s_description; parser.options = s_options; parser.num_options = WASM_ARRAY_SIZE(s_options); parser.on_option = on_option; |