예제 #1
0
파일: littlec.c 프로젝트: malpharo/AiPI
/* Interpret a single statement or block of code. When
   interp_block() returns from its initial call, the final
   brace (or a return) in main() has been encountered.
*/
void interp_block(void)
{
  int value;
  char block = 0;

  do {
    token_type = get_token();

    /* If interpreting single statement, return on
       first semicolon.
    */

    /* see what kind of token is up */
    if(token_type == IDENTIFIER) {
      /* Not a keyword, so process expression. */
      putback();  /* restore token to input stream for
                     further processing by eval_exp() */
      eval_exp(&value);  /* process the expression */
      if(*token!=';') sntx_err(SEMI_EXPECTED);
    }
    else if(token_type==BLOCK) { /* if block delimiter */
      if(*token == '{') /* is a block */
        block = 1; /* interpreting block, not statement */
      else return; /* is a }, so return */
    }
    else /* is keyword */
      switch(tok) {
        case CHAR:
        case INT:     /* declare local variables */
          putback();
          decl_local();
          break;
        case RETURN:  /* return from function call */
          func_ret();
          return;
        case IF:      /* process an if statement */
          exec_if();
          break;
        case ELSE:    /* process an else statement */
          find_eob(); /* find end of else block
                         and continue execution */
          break;
        case WHILE:   /* process a while loop */
          exec_while();
          break;
        case DO:      /* process a do-while loop */
          exec_do();
          break;
        case FOR:     /* process a for loop */
          exec_for();
          break;
        case END:
          exit(0);
      }
  } while (tok != FINISHED && block);
}
예제 #2
0
파일: vm.c 프로젝트: linluk/project-qpl
void exec_conditional(env_t* env, ast_t* ast) {
  /* if */
  if(exec_if(env, ast->data.conditional.if_statement)) {
    return;
  } else {
    if(ast->data.conditional.elif_statements != NULL) {
      size_t i;
      /* elif */
      for(i = 0; i < ast->data.conditional.elif_statements->data.elif_statements.count; i++) {
        if(exec_if(env, ast->data.conditional.elif_statements->data.elif_statements.elif_statements[i])) {
          return;
        }
      }
    }
    if(ast->data.conditional.else_statement != NULL) {
      /* else */
      exec_statements(env, ast->data.conditional.else_statement);
    }
  }
}
예제 #3
0
static void unit_mod_inet_time(XmlTag *tag, XmlTag **ans)
{
	DEFINE_XTV(XTV_INET_ID, XTV_ETIME_START_, XTV_ETIME_END_);

	MbbInetPoolEntry *entry;
	time_t start, end;
	gint id;

	start = end = MBB_TIME_UNSET;
	MBB_XTV_CALL(&id, &start, &end);

	if (start == MBB_TIME_UNSET && end == MBB_TIME_UNSET) final
		*ans = mbb_xml_msg(MBB_MSG_TIME_MISSED);

	mbb_lock_writer_lock();

	on_final { mbb_lock_writer_unlock(); }

	entry = mbb_inet_pool_get(mbb_unit_get_pool(), id);

	if (entry == NULL) final
		*ans = mbb_xml_msg(MBB_MSG_UNKNOWN_INET);

	exec_if(start = entry->start, start == MBB_TIME_UNSET);
	exec_if(end = entry->end, end == MBB_TIME_UNSET);

	*ans = mbb_time_test_order(start, end,
		mbb_unit_get_start(entry->owner->ptr),
		mbb_unit_get_end(entry->owner->ptr));

	if (*ans == NULL) {
		GError *error = NULL;

		if (! mbb_db_inet_pool_mod_time(entry->id, start, end, &error))
			final *ans = mbb_xml_msg_from_error(error);
	}
예제 #4
0
파일: c.c 프로젝트: bsmr-misc-forks/kroc
void interp_block()
{
    int    value;
    char block = 0;
    do {
        token_type = get_token();
        if(token_type==IDENTIFIER) { 
            putback(); 
            eval_exp(&value);
            if(*token!=';') sntx_err(SEMI_EXPECTED);
        }
        else if(token_type==BLOCK) {
            if(*token=='{')
                block = 1; 
            else
                return; 
        }
        else switch(tok) {
                case CHAR:
                case INT: 
                    putback();
                    decl_local();
                    break;
                case RETURN:    
                    func_ret();
                    return; 
                case IF:   
                    exec_if();
                    break;
                case ELSE:   
                    find_eob();
                    break;            
                case WHILE: 
                    exec_while();
                    break;
                case DO:    
                    exec_do();
                    break;
                case FOR: exec_for();
                    break;
                case END:
                    return;
        }
    } while (tok != FINISHED && block);
}
예제 #5
0
파일: pb_basic.c 프로젝트: jaromrax/calibNR
int run_program(char* p_buf){
  int i;

  //  I REMOVED THIS AND PUT IT IN FRONT OF THE CALL...
  //NMS-REMOVAL  init_namespace();// Do you need it? May be you want to use the same namespace

  prog = p_buf;
  scan_labels(); /* find the labels in the program */
  ftos = 0; /* initialize the FOR stack index */
  gtos = 0; /* initialize the GOSUB stack index */
  do {
    bas_token_type = get_token();
    // printf("ttype=%d bas_tok=%d <%s>\n", bas_token_type, bas_tok, bas_token);
    /* check for assignment statement */
    if(bas_token_type==VARIABLE) {
      putback(); /* return the var to the input stream */
      assignment(); /* must be assignment statement */
    }
    else /* is command */
      switch(bas_tok) {
        case PRINT:
	  print();
  	  break;
        case GOTO:
	  exec_goto();
	  break;
	case IF:
	  exec_if();
	  break;
	case FOR:
	  exec_for();
	  break;
	case NEXT:
	  next();
	  break;
  	case INPUT:
	  input();
	  break;
        case GOSUB:
	  gosub();
	  break;
	case RETURN:
	  greturn();
	  break;
	case COMMENT:
	  do{
	  get_token();
	  if(bas_tok==EOL || bas_tok==FINISHED) break; 
	  } while (1==1);
	  break;
	case CONTINUE:
	  do{
	  get_token();
	  if(bas_tok==EOL || bas_tok==FINISHED) break; 
	  } while (1==1);
	  break;
        case END:
	  printf("variables----------------------------%s\n","");
	  for (i=0;i<varnamelast;i++){
	    printf("%14s - %19.7f\n", varname[i] , variables[i] );
	  }
	  exit(0);
      }
  } while (bas_tok != FINISHED);
  return 0;
}// run_program