Ejemplo n.º 1
0
int main()
{
  mrb_state *mrb = mrb_open();
  init_TestClass(mrb);

  char code[] = "$t = Test.new; res = $t.run; p res";
  printf("Executing Ruby code from C!\n");

  auto c = mrbc_context_new(mrb);
  auto p = mrb_parse_string(mrb, code, c);
  auto n = mrb_generate_code(mrb, p);

  // mrb_run(mrb, n, mrb_top_self(mrb));
  unsigned stack_keep = 0;
  auto result = mrb_vm_run(mrb,
                n,
                mrb_top_self(mrb),
                stack_keep);

  if (mrb->exc) // have exception
  {
    mrb_p(mrb, mrb_obj_value(mrb->exc));
    mrb->exc = 0;
  }
  else
  {
    if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect")))
      result = mrb_any_to_s(mrb, result);
    
    mrb_p(mrb, result);
  }

  mrbc_context_free(mrb, c);
  mrb_close(mrb);

  return 0;
}
Ejemplo n.º 2
0
Archivo: mirb.c Proyecto: rubiojr/mruby
int
main(int argc, char **argv)
{
  char ruby_code[1024] = { 0 };
  char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
  int last_char;
  int char_index;
#else
  char *home = NULL;
#endif
  mrbc_context *cxt;
  struct mrb_parser_state *parser;
  mrb_state *mrb;
  mrb_value result;
  struct _args args;
  int n;
  mrb_bool code_block_open = FALSE;
  mrb_value MIRB_BIN;
  int ai;
  unsigned int stack_keep = 0;

  /* new interpreter instance */
  mrb = mrb_open();
  if (mrb == NULL) {
    fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
    return EXIT_FAILURE;
  }
  mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));

  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  print_hint();

  cxt = mrbc_context_new(mrb);
  cxt->capture_errors = 1;
  cxt->lineno = 1;
  mrbc_filename(mrb, cxt, "(mirb)");
  if (args.verbose) cxt->dump_result = 1;

  MIRB_BIN= mrb_str_new(mrb, argv[0], strlen(argv[0]));
  mrb_define_global_const(mrb, "MIRB_BIN", MIRB_BIN);

#ifdef ENABLE_REQUIRE
  mrb_value LOAD_PATH = mrb_gv_get(mrb, mrb_intern(mrb, "$:"));

  if (mrb_str_cmp(mrb, MIRB_BIN, mrb_str_new2(mrb, "mirb")) != 0) {
    int len = strrchr(RSTRING_PTR(MIRB_BIN), '/') - RSTRING_PTR(MIRB_BIN);
    mrb_value extdir = mrb_str_substr(mrb, mrb_str_dup(mrb, MIRB_BIN), 0, len);
    mrb_str_cat2(mrb, extdir, "/../ext");

    if (mrb_obj_eq(mrb, mrb_file_exist(mrb, extdir), mrb_true_value())) {
      mrb_ary_push(mrb, LOAD_PATH, extdir);
    }
  }
#endif /* ENABLE_REQUIRE */


  ai = mrb_gc_arena_save(mrb);

#ifdef ENABLE_READLINE
  MIRB_USING_HISTORY();
  home = getenv("HOME");
#ifdef _WIN32
  if (!home)
    home = getenv("USERPROFILE");
#endif
  if (home) {
    strcpy(history_path, home);
    strcat(history_path, "/");
    strcat(history_path, history_file_name);
    MIRB_READ_HISTORY(history_path);
  }
#endif


  while (TRUE) {
#ifndef ENABLE_READLINE
    print_cmdline(code_block_open);

    char_index = 0;
    while ((last_char = getchar()) != '\n') {
      if (last_char == EOF) break;
      last_code_line[char_index++] = last_char;
    }
    if (last_char == EOF) {
      fputs("\n", stdout);
      break;
    }

    last_code_line[char_index] = '\0';
#else
    char* line = MIRB_READLINE(code_block_open ? "* " : "> ");
    if (line == NULL) {
      printf("\n");
      break;
    }
    strncpy(last_code_line, line, sizeof(last_code_line)-1);
    MIRB_ADD_HISTORY(line);
    free(line);
#endif

    if (code_block_open) {
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
    }
    else {
      if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
        break;
      }
      strcpy(ruby_code, last_code_line);
    }

    /* parse code */
    parser = mrb_parser_new(mrb);
    parser->s = ruby_code;
    parser->send = ruby_code + strlen(ruby_code);
    parser->lineno = cxt->lineno;
    mrb_parser_parse(parser, cxt);
    code_block_open = is_code_block_open(parser);

    if (code_block_open) {
      /* no evaluation of code */
    }
    else {
      if (0 < parser->nerr) {
        /* syntax error */
        printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
      }
      else {
        /* generate bytecode */
        struct RProc *proc = mrb_generate_code(mrb, parser);

        if (args.verbose) {
          mrb_codedump_all(mrb, proc);
        }
        /* pass a proc for evaulation */
        /* evaluate the bytecode */
        result = mrb_context_run(mrb,
            proc,
            mrb_top_self(mrb),
            stack_keep);
        stack_keep = proc->body.irep->nlocals;
        /* did an exception occur? */
        if (mrb->exc) {
          p(mrb, mrb_obj_value(mrb->exc), 0);
          mrb->exc = 0;
        }
        else {
          /* no */
          if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
            result = mrb_any_to_s(mrb,result);
          }
          p(mrb, result, 1);
        }
      }
      ruby_code[0] = '\0';
      last_code_line[0] = '\0';
      mrb_gc_arena_restore(mrb, ai);
    }
    mrb_parser_free(parser);
    cxt->lineno++;
  }
  mrbc_context_free(mrb, cxt);
  mrb_close(mrb);

#ifdef ENABLE_READLINE
  MIRB_WRITE_HISTORY(history_path);
#endif

  return 0;
}
Ejemplo n.º 3
0
Archivo: mirb.c Proyecto: Bovi-Li/mruby
int
main(int argc, char **argv)
{
  char ruby_code[1024] = { 0 };
  char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
  int last_char;
  int char_index;
#else
  char *home = NULL;
#endif
  mrbc_context *cxt;
  struct mrb_parser_state *parser;
  mrb_state *mrb;
  mrb_value result;
  struct _args args;
  int n;
  mrb_bool code_block_open = FALSE;
  int ai;
  mrb_bool first_command = TRUE;
  unsigned int nregs;

  /* new interpreter instance */
  mrb = mrb_open();
  if (mrb == NULL) {
    fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
    return EXIT_FAILURE;
  }
  mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));

  n = parse_args(mrb, argc, argv, &args);
  if (n == EXIT_FAILURE) {
    cleanup(mrb, &args);
    usage(argv[0]);
    return n;
  }

  print_hint();

  cxt = mrbc_context_new(mrb);
  cxt->capture_errors = 1;
  cxt->lineno = 1;
  mrbc_filename(mrb, cxt, "(mirb)");
  if (args.verbose) cxt->dump_result = 1;

  ai = mrb_gc_arena_save(mrb);

#ifdef ENABLE_READLINE
  using_history();
  home = getenv("HOME");
#ifdef _WIN32
  if (!home)
    home = getenv("USERPROFILE");
#endif
  if (home) {
    strcpy(history_path, home);
    strcat(history_path, "/");
    strcat(history_path, history_file_name);
    read_history(history_path);
  }
#endif


  while (TRUE) {
#ifndef ENABLE_READLINE
    print_cmdline(code_block_open);

    char_index = 0;
    while ((last_char = getchar()) != '\n') {
      if (last_char == EOF) break;
      last_code_line[char_index++] = last_char;
    }
    if (last_char == EOF) {
      fputs("\n", stdout);
      break;
    }

    last_code_line[char_index] = '\0';
#else
    char* line = readline(code_block_open ? "* " : "> ");
    if (line == NULL) {
      printf("\n");
      break;
    }
    strncpy(last_code_line, line, sizeof(last_code_line)-1);
    add_history(line);
    free(line);
#endif

    if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
      if (!code_block_open) {
        break;
      }
      else{
        /* count the quit/exit commands as strings if in a quote block */
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
      }
    }
    else {
      if (code_block_open) {
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
      }
      else {
        strcpy(ruby_code, last_code_line);
      }
    }

    /* parse code */
    parser = mrb_parser_new(mrb);
    parser->s = ruby_code;
    parser->send = ruby_code + strlen(ruby_code);
    parser->lineno = cxt->lineno;
    mrb_parser_parse(parser, cxt);
    code_block_open = is_code_block_open(parser);

    if (code_block_open) {
      /* no evaluation of code */
    }
    else {
      if (0 < parser->nerr) {
        /* syntax error */
        printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
      }
      else {
        /* generate bytecode */
        struct RProc *proc = mrb_generate_code(mrb, parser);

        if (args.verbose) {
          mrb_codedump_all(mrb, proc);
        }
        /* pass a proc for evaulation */
        nregs = first_command ? 0: proc->body.irep->nregs;
        /* evaluate the bytecode */
        result = mrb_context_run(mrb,
            proc,
            mrb_top_self(mrb),
            nregs);
        /* did an exception occur? */
        if (mrb->exc) {
          p(mrb, mrb_obj_value(mrb->exc), 0);
          mrb->exc = 0;
        }
        else {
          /* no */
          if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
            result = mrb_any_to_s(mrb,result);
          }
          p(mrb, result, 1);
        }
      }
      ruby_code[0] = '\0';
      last_code_line[0] = '\0';
      mrb_gc_arena_restore(mrb, ai);
    }
    mrb_parser_free(parser);
    cxt->lineno++;
    first_command = FALSE;
  }
  mrbc_context_free(mrb, cxt);
  mrb_close(mrb);

#ifdef ENABLE_READLINE
  write_history(history_path);
#endif

  return 0;
}
Ejemplo n.º 4
0
void loop() {
  if (Serial.available() > 0) {
    char_index = 0;
    while (true) {
      if (Serial.available() > 0) {
        incommingByte = Serial.read();
        if (incommingByte == 13) {
          // New Line
          last_code_line[char_index] = '\0';
          break;
        } else {
          last_code_line[char_index++] = incommingByte;
          Serial.write(incommingByte);
        }
      }
    }
    Serial.println("");
    Serial.flush();

    is_exit = false;
    if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
      // Exit Interactive Mode
      if (!code_block_open) {
        is_exit = true;
      } else {
        /* count the quit/exit commands as strings if in a quote block */
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
        is_exit = false;
      }
    } else {
      if (code_block_open) {
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
        is_exit = false;
      } else {
        strcpy(ruby_code, last_code_line);
        is_exit = false;
      }
    }

    if (!is_exit) {
      // Not Exit or Quit!

      /* parse code */
      parser = mrb_parser_new(mrb);
      parser->s = ruby_code;
      parser->send = ruby_code + strlen(ruby_code);
      parser->lineno = 1;
      mrb_parser_parse(parser, cxt);
      code_block_open = is_code_block_open(parser);

      if (code_block_open) {
        /* no evaluation of code */
      }
      else {
        if (0 < parser->nerr) {
          /* syntax error */
          Serial.write("Syntax Error: ");
          Serial.println(parser->error_buffer[0].message);
        }
        else {
          /* generate bytecode */
          n = mrb_generate_code(mrb, parser);

          /* evaluate the bytecode */
          result = mrb_run(mrb,
              /* pass a proc for evaulation */
              mrb_proc_new(mrb, mrb->irep[n]),
              mrb_top_self(mrb));

          /* did an exception occur? */
          if (mrb->exc) {
            /* yes */
            p(mrb, mrb_obj_value(mrb->exc), 0);
            mrb->exc = 0;
          }
          else {
            /* no */
            if (!mrb_respond_to(mrb,result,mrb_intern(mrb, "inspect"))){
              result = mrb_any_to_s(mrb,result);
            }
            p(mrb, result, 1);
          }
        }
        ruby_code[0] = '\0';
        last_code_line[0] = '\0';
        mrb_gc_arena_restore(mrb, ai);
      }
      mrb_parser_free(parser);
    } else {
      // User Enter 'exit' or 'quit'
      Serial.println("quit IAS");
      ruby_code[0] = '\0';
      last_code_line[0] = '\0';
      mrb_parser_free(parser);
      mrbc_context_free(mrb, cxt);
      mrb_close(mrb);
      mrb_setup_arduino();
    }
    print_cmdline(code_block_open);
  }
}
Ejemplo n.º 5
0
Archivo: mirb.c Proyecto: koie/mruby
int
main(void)
{
  char ruby_code[1024] = { 0 };
  char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
  int last_char;
  int char_index;
#endif
  mrbc_context *cxt;
  struct mrb_parser_state *parser;
  mrb_state *mrb;
  mrb_value result;
  int n;
  int code_block_open = FALSE;
  int ai;

  print_hint();

  /* new interpreter instance */
  mrb = mrb_open();
  if (mrb == NULL) {
    fprintf(stderr, "Invalid mrb interpreter, exiting mirb");
    return EXIT_FAILURE;
  }

  cxt = mrbc_context_new(mrb);
  cxt->capture_errors = 1;

  ai = mrb_gc_arena_save(mrb);
  while (TRUE) {
#ifndef ENABLE_READLINE
    print_cmdline(code_block_open);

    char_index = 0;
    while ((last_char = getchar()) != '\n') {
      if (last_char == EOF) break;
      last_code_line[char_index++] = last_char;
    }
    if (last_char == EOF) {
      printf("\n");
      break;
    }

    last_code_line[char_index] = '\0';
#else
    char* line = readline(code_block_open ? "* " : "> ");
    if(line == NULL) {
      printf("\n");
      break;
    }
    strncat(last_code_line, line, sizeof(last_code_line)-1);
    add_history(line);
    free(line);
#endif

    if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
      if (!code_block_open) {
        break;
      }
      else{
        /* count the quit/exit commands as strings if in a quote block */
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
      }
    }
    else {
      if (code_block_open) {
        strcat(ruby_code, "\n");
        strcat(ruby_code, last_code_line);
      }
      else {
        strcpy(ruby_code, last_code_line);
      }
    }

    /* parse code */
    parser = mrb_parser_new(mrb);
    parser->s = ruby_code;
    parser->send = ruby_code + strlen(ruby_code);
    parser->lineno = 1;
    mrb_parser_parse(parser, cxt);
    code_block_open = is_code_block_open(parser);

    if (code_block_open) {
      /* no evaluation of code */
    }
    else {
      if (0 < parser->nerr) {
        /* syntax error */
        printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
      }
      else {
        /* generate bytecode */
        n = mrb_generate_code(mrb, parser);

        /* evaluate the bytecode */
        result = mrb_run(mrb,
            /* pass a proc for evaulation */
            mrb_proc_new(mrb, mrb->irep[n]),
            mrb_top_self(mrb));
        /* did an exception occur? */
        if (mrb->exc) {
          p(mrb, mrb_obj_value(mrb->exc));
          mrb->exc = 0;
        }
        else {
          /* no */
          printf(" => ");
          if (!mrb_respond_to(mrb,result,mrb_intern(mrb,"inspect"))){
            result = mrb_any_to_s(mrb,result);
          }
          p(mrb, result);
        }
      }
      ruby_code[0] = '\0';
      last_code_line[0] = '\0';
      mrb_parser_free(parser);
      mrb_gc_arena_restore(mrb, ai);
    }
  }
  mrbc_context_free(mrb, cxt);
  mrb_close(mrb);

  return 0;
}