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Simplify and improve function & method calling.

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This commit is contained in:
Damien
2013-10-10 22:06:54 +01:00
parent 5609cca2ce
commit eb19efb27e
5 changed files with 157 additions and 174 deletions
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36
py/vm.c
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@@ -7,7 +7,7 @@
#include "misc.h"
#include "machine.h"
#include "runtime.h"
#include "vm.h"
#include "bc.h"
#define DECODE_UINT do { unum = *ip++; if (unum > 127) { unum = ((unum & 0x3f) << 8) | (*ip++); } } while (0)
#define DECODE_QSTR do { qstr = *ip++; if (qstr > 127) { qstr = ((qstr & 0x3f) << 8) | (*ip++); } } while (0)
@@ -236,38 +236,18 @@ py_obj_t py_execute_byte_code(const byte *code, uint len, const py_obj_t *args,
case PYBC_CALL_FUNCTION:
DECODE_UINT;
assert((unum & 0xff00) == 0); // n_keyword
// switch on n_positional
if ((unum & 0xff) == 0) {
*sp = rt_call_function_0(*sp);
} else if ((unum & 0xff) == 1) {
obj1 = *sp++; // the single argument
*sp = rt_call_function_1(*sp, obj1);
} else if ((unum & 0xff) == 2) {
obj2 = *sp++; // the second argument
obj1 = *sp++; // the first argument
*sp = rt_call_function_2(*sp, obj1, obj2);
} else {
assert(0);
}
unum &= 0xff; // n_positional
sp += unum;
*sp = rt_call_function_n(*sp, unum, sp - unum);
break;
case PYBC_CALL_METHOD:
DECODE_UINT;
assert((unum & 0xff00) == 0); // n_keyword
// switch on n_positional
if ((unum & 0xff) == 0) {
obj1 = *sp++; // the self object (or NULL)
*sp = rt_call_method_1(*sp, obj1);
} else if ((unum & 0xff) == 1) {
obj2 = *sp++; // the first argument
obj1 = *sp++; // the self object (or NULL)
*sp = rt_call_method_2(*sp, obj1, obj2);
} else {
unum = unum & 0xff;
obj1 = rt_call_method_n(unum, sp);
sp += unum + 1;
*sp = obj1;
}
unum &= 0xff;
obj1 = rt_call_method_n(unum, sp);
sp += unum + 1;
*sp = obj1;
break;
case PYBC_RETURN_VALUE: