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#if !(defined(_WIN32) || defined(_WIN64))
#include <err.h>
#endif
#include <fcntl.h>
#include <setjmp.h>
#include <unistd.h>
#include "mruby.h"
#include "mruby/compile.h"
#include "mruby/dump.h"
#include "mruby/string.h"
#include "mruby/proc.h"
#include "opcode.h"
#include "error.h"
#include <stdlib.h>
#include <sys/stat.h>
#define E_LOAD_ERROR (mrb_class_get(mrb, "LoadError"))
#if MRUBY_RELEASE_NO < 10000
mrb_value mrb_yield_internal(mrb_state *mrb, mrb_value b, int argc, mrb_value *argv, mrb_value self, struct RClass *c);
#define mrb_yield_with_class mrb_yield_internal
#endif
#if defined(_WIN32) || defined(_WIN64)
#include <windows.h>
int mkstemp(char *template)
{
DWORD pathSize;
char pathBuffer[1000];
char tempFilename[MAX_PATH];
UINT uniqueNum;
pathSize = GetTempPath(1000, pathBuffer);
if (pathSize < 1000) { pathBuffer[pathSize] = 0; }
else { pathBuffer[0] = 0; }
uniqueNum = GetTempFileName(pathBuffer, template, 0, tempFilename);
if (uniqueNum == 0) return -1;
strncpy(template, tempFilename, MAX_PATH);
return open(tempFilename, _O_RDWR|_O_BINARY);
}
#endif
static void
replace_stop_with_return(mrb_state *mrb, mrb_irep *irep)
{
if (irep->iseq[irep->ilen - 1] == MKOP_A(OP_STOP, 0)) {
irep->iseq = mrb_realloc(mrb, irep->iseq, (irep->ilen + 1) * sizeof(mrb_code));
irep->iseq[irep->ilen - 1] = MKOP_A(OP_LOADNIL, 0);
irep->iseq[irep->ilen] = MKOP_AB(OP_RETURN, 0, OP_R_NORMAL);
irep->ilen++;
}
}
static int
compile_rb2mrb(mrb_state *mrb0, const char *code, int code_len, const char *path, FILE* tmpfp)
{
mrb_state *mrb = mrb_open();
mrb_value result;
mrbc_context *c;
int ret = -1;
int debuginfo = 1;
mrb_irep *irep;
c = mrbc_context_new(mrb);
c->no_exec = 1;
if (path != NULL) {
mrbc_filename(mrb, c, path);
}
result = mrb_load_nstring_cxt(mrb, code, code_len, c);
if (mrb_undef_p(result)) {
mrbc_context_free(mrb, c);
mrb_close(mrb);
return MRB_DUMP_GENERAL_FAILURE;
}
irep = mrb_proc_ptr(result)->body.irep;
ret = mrb_dump_irep_binary(mrb, irep, debuginfo, tmpfp);
mrbc_context_free(mrb, c);
mrb_close(mrb);
return ret;
}
static void
eval_load_irep(mrb_state *mrb, mrb_irep *irep)
{
int ai;
struct RProc *proc;
replace_stop_with_return(mrb, irep);
proc = mrb_proc_new(mrb, irep);
proc->target_class = mrb->object_class;
ai = mrb_gc_arena_save(mrb);
mrb_yield_with_class(mrb, mrb_obj_value(proc), 0, NULL, mrb_top_self(mrb), mrb->object_class);
mrb_gc_arena_restore(mrb, ai);
}
static mrb_value
mrb_require_load_rb_str(mrb_state *mrb, mrb_value self)
{
char *path_ptr = NULL;
#if defined(_WIN32) || defined(_WIN64)
char tmpname[MAX_PATH] = "tmp.XXXXXXXX";
#else
char tmpname[] = "tmp.XXXXXXXX";
#endif
mode_t mask;
FILE *tmpfp = NULL;
int fd = -1, ret;
mrb_irep *irep;
mrb_value code, path = mrb_nil_value();
mrb_get_args(mrb, "S|S", &code, &path);
if (!mrb_string_p(path)) {
path = mrb_str_new_cstr(mrb, "-");
}
path_ptr = mrb_str_to_cstr(mrb, path);
mask = umask(077);
fd = mkstemp(tmpname);
if (fd == -1) {
mrb_sys_fail(mrb, "can't create mkstemp() at mrb_require_load_rb_str");
}
umask(mask);
tmpfp = fdopen(fd, "r+");
if (tmpfp == NULL) {
close(fd);
mrb_sys_fail(mrb, "can't open temporay file at mrb_require_load_rb_str");
}
ret = compile_rb2mrb(mrb, RSTRING_PTR(code), RSTRING_LEN(code), path_ptr, tmpfp);
if (ret != MRB_DUMP_OK) {
fclose(tmpfp);
remove(tmpname);
mrb_raisef(mrb, E_LOAD_ERROR, "can't load file -- %S", path);
return mrb_nil_value();
}
rewind(tmpfp);
irep = mrb_read_irep_file(mrb, tmpfp);
fclose(tmpfp);
remove(tmpname);
if (irep) {
eval_load_irep(mrb, irep);
} else if (mrb->exc) {
// fail to load
longjmp(*(jmp_buf*)mrb->jmp, 1);
} else {
mrb_raisef(mrb, E_LOAD_ERROR, "can't load file -- %S", path);
return mrb_nil_value();
}
return mrb_true_value();
}
static mrb_value
mrb_require_load_mrb_file(mrb_state *mrb, mrb_value self)
{
char *path_ptr = NULL;
FILE *fp = NULL;
mrb_irep *irep;
mrb_value path;
mrb_get_args(mrb, "S", &path);
path_ptr = mrb_str_to_cstr(mrb, path);
fp = fopen(path_ptr, "rb");
if (fp == NULL) {
mrb_raisef(mrb, E_LOAD_ERROR, "can't open file -- %S", path);
}
irep = mrb_read_irep_file(mrb, fp);
fclose(fp);
if (irep) {
eval_load_irep(mrb, irep);
} else if (mrb->exc) {
// fail to load
longjmp(*(jmp_buf*)mrb->jmp, 1);
} else {
mrb_raisef(mrb, E_LOAD_ERROR, "can't load file -- %S", path);
return mrb_nil_value();
}
return mrb_true_value();
}
void
mrb_mruby_require_gem_init(mrb_state *mrb)
{
struct RClass *krn;
krn = mrb->kernel_module;
mrb_define_method(mrb, krn, "_load_rb_str", mrb_require_load_rb_str, MRB_ARGS_ANY());
mrb_define_method(mrb, krn, "_load_mrb_file", mrb_require_load_mrb_file, MRB_ARGS_REQ(1));
}
void
mrb_mruby_require_gem_final(mrb_state *mrb)
{
}
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