rpn/src/rpn-string.h
2017-05-24 14:09:52 +02:00

42 lines
1.1 KiB
C

void instr()
{
MIN_ARGUMENTS(1);
// stringify only if not already a string
if (_stack->get_type(0) != cmd_string)
{
// write the object in stack(0) in a string and remove this obj
FILE* tmp = tmpfile();
if (tmp != NULL)
{
((object*)_stack->pop_back())->show(tmp);
// reserve the correct size in stack
unsigned int str_size = (unsigned int)ftell(tmp);
ostring* str = (ostring*)_stack->allocate_back(str_size+1+sizeof(ostring), cmd_string);
str->_size = str_size;
// fill the obj
if (fread(str->_value, str_size, 1, tmp) != str_size)
ERR_CONTEXT(ret_runtime_error);
fclose(tmp);
}
else
ERR_CONTEXT(ret_runtime_error);
}
}
void strout()
{
MIN_ARGUMENTS(1);
ARG_MUST_BE_OF_TYPE(0, cmd_string);
string entry(((ostring*)_stack->pop_back())->_value);
program prog;
// make program from string in stack level 1
if (program::parse(entry.c_str(), prog) == ret_ok)
// run it
prog.run(*_stack, *_global_heap, &_local_heap);
}