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Add qjsc -r flag to output raw bytecode

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Nathan Rajlich 2024-07-03 21:52:01 -07:00 committed by GitHub
parent 76f99007f7
commit aa5e4d2132
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GPG key ID: B5690EEEBB952194
1 changed files with 30 additions and 19 deletions
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31
qjsc.c
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@ -39,6 +39,12 @@
#include "cutils.h" #include "cutils.h"
#include "quickjs-libc.h" #include "quickjs-libc.h"
typedef enum {
OUTPUT_C,
OUTPUT_C_MAIN,
OUTPUT_RAW,
} OutputTypeEnum;
typedef struct { typedef struct {
char *name; char *name;
char *short_name; char *short_name;
@ -54,6 +60,7 @@ typedef struct namelist_t {
static namelist_t cname_list; static namelist_t cname_list;
static namelist_t cmodule_list; static namelist_t cmodule_list;
static namelist_t init_module_list; static namelist_t init_module_list;
static OutputTypeEnum output_type;
static FILE *outfile; static FILE *outfile;
static const char *c_ident_prefix = "qjsc_"; static const char *c_ident_prefix = "qjsc_";
static int strip; static int strip;
@ -171,12 +178,16 @@ static void output_object_code(JSContext *ctx,
namelist_add(&cname_list, c_name, NULL, load_only); namelist_add(&cname_list, c_name, NULL, load_only);
if (output_type == OUTPUT_RAW) {
fwrite(out_buf, 1, out_buf_len, fo);
} else {
fprintf(fo, "const uint32_t %s_size = %u;\n\n", fprintf(fo, "const uint32_t %s_size = %u;\n\n",
c_name, (unsigned int)out_buf_len); c_name, (unsigned int)out_buf_len);
fprintf(fo, "const uint8_t %s[%u] = {\n", fprintf(fo, "const uint8_t %s[%u] = {\n",
c_name, (unsigned int)out_buf_len); c_name, (unsigned int)out_buf_len);
dump_hex(fo, out_buf, out_buf_len); dump_hex(fo, out_buf, out_buf_len);
fprintf(fo, "};\n\n"); fprintf(fo, "};\n\n");
}
js_free(ctx, out_buf); js_free(ctx, out_buf);
} }
@ -334,6 +345,7 @@ void help(void)
"-D module_name compile a dynamically loaded module or worker\n" "-D module_name compile a dynamically loaded module or worker\n"
"-M module_name[,cname] add initialization code for an external C module\n" "-M module_name[,cname] add initialization code for an external C module\n"
"-p prefix set the prefix of the generated C names\n" "-p prefix set the prefix of the generated C names\n"
"-r output raw bytecode instead of C code\n"
"-s strip the source code, specify twice to also strip debug info\n" "-s strip the source code, specify twice to also strip debug info\n"
"-S n set the maximum stack size to 'n' bytes (default=%d)\n", "-S n set the maximum stack size to 'n' bytes (default=%d)\n",
JS_GetVersion(), JS_GetVersion(),
@ -341,11 +353,6 @@ void help(void)
exit(1); exit(1);
} }
typedef enum {
OUTPUT_C,
OUTPUT_C_MAIN,
} OutputTypeEnum;
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int c, i, verbose; int c, i, verbose;
@ -355,7 +362,6 @@ int main(int argc, char **argv)
JSRuntime *rt; JSRuntime *rt;
JSContext *ctx; JSContext *ctx;
int module; int module;
OutputTypeEnum output_type;
size_t stack_size; size_t stack_size;
namelist_t dynamic_module_list; namelist_t dynamic_module_list;
@ -374,7 +380,7 @@ int main(int argc, char **argv)
namelist_add(&cmodule_list, "os", "os", 0); namelist_add(&cmodule_list, "os", "os", 0);
for(;;) { for(;;) {
c = getopt(argc, argv, "ho:N:mn:mxesvM:p:S:D:"); c = getopt(argc, argv, "ho:N:mn:rxesvM:p:S:D:");
if (c == -1) if (c == -1)
break; break;
switch(c) { switch(c) {
@ -423,6 +429,9 @@ int main(int argc, char **argv)
case 'p': case 'p':
c_ident_prefix = optarg; c_ident_prefix = optarg;
break; break;
case 'r':
output_type = OUTPUT_RAW;
break;
case 'S': case 'S':
stack_size = (size_t)strtod(optarg, NULL); stack_size = (size_t)strtod(optarg, NULL);
break; break;
@ -452,15 +461,17 @@ int main(int argc, char **argv)
/* loader for ES6 modules */ /* loader for ES6 modules */
JS_SetModuleLoaderFunc(rt, NULL, jsc_module_loader, NULL); JS_SetModuleLoaderFunc(rt, NULL, jsc_module_loader, NULL);
if (output_type != OUTPUT_RAW) {
fprintf(fo, "/* File generated automatically by the QuickJS-ng compiler. */\n" fprintf(fo, "/* File generated automatically by the QuickJS-ng compiler. */\n"
"\n" "\n"
); );
}
if (output_type != OUTPUT_C) { if (output_type == OUTPUT_C_MAIN) {
fprintf(fo, "#include \"quickjs-libc.h\"\n" fprintf(fo, "#include \"quickjs-libc.h\"\n"
"\n" "\n"
); );
} else { } else if (output_type == OUTPUT_C) {
fprintf(fo, "#include <inttypes.h>\n" fprintf(fo, "#include <inttypes.h>\n"
"\n" "\n"
); );
@ -480,7 +491,7 @@ int main(int argc, char **argv)
} }
} }
if (output_type != OUTPUT_C) { if (output_type == OUTPUT_C_MAIN) {
fprintf(fo, fprintf(fo,
"static JSContext *JS_NewCustomContext(JSRuntime *rt)\n" "static JSContext *JS_NewCustomContext(JSRuntime *rt)\n"
"{\n" "{\n"