diff options
Diffstat (limited to 'py/runtime.c')
| -rw-r--r-- | py/runtime.c | 236 | 
1 files changed, 116 insertions, 120 deletions
| diff --git a/py/runtime.c b/py/runtime.c index e9a861438..81487c2b6 100644 --- a/py/runtime.c +++ b/py/runtime.c @@ -7,7 +7,7 @@  #include "misc.h"  #include "machine.h"  #include "runtime.h" -#include "vm.h" +#include "bc.h"  #if 0 // print debugging info  #define DEBUG_printf(args...) printf(args) @@ -120,8 +120,9 @@ py_obj_t py_const_none;  py_obj_t py_const_false;  py_obj_t py_const_true; -py_map_t map_locals; -py_map_t map_globals; +// locals and globals need to be pointers because they can be the same in outer module scope +py_map_t *map_locals; +py_map_t *map_globals;  py_map_t map_builtins;  // approximatelly doubling primes; made with Mathematica command: Table[Prime[Floor[(1.7)^n]], {n, 3, 24}] @@ -339,9 +340,9 @@ py_obj_t py_builtin_len(py_obj_t o_in) {  py_obj_t py_builtin___build_class__(py_obj_t o_class_fun, py_obj_t o_class_name) {      // we differ from CPython: we set the new __locals__ object here -    py_map_t old_locals = map_locals; +    py_map_t *old_locals = map_locals;      py_map_t *class_locals = py_map_new(MAP_QSTR, 0); -    map_locals = *class_locals; +    map_locals = class_locals;      // call the class code      rt_call_function_1(o_class_fun, (py_obj_t)0xdeadbeef); @@ -368,10 +369,9 @@ void rt_init() {      py_const_false = py_obj_new_const("False");      py_const_true = py_obj_new_const("True"); -    py_map_init(&map_locals, MAP_QSTR, 0); - -    py_map_init(&map_globals, MAP_QSTR, 1); -    py_qstr_map_lookup(&map_globals, qstr_from_str_static("__name__"), true)->value = py_obj_new_str(qstr_from_str_static("__main__")); +    // locals = globals for outer module (see Objects/frameobject.c/PyFrame_New()) +    map_locals = map_globals = py_map_new(MAP_QSTR, 1); +    py_qstr_map_lookup(map_globals, qstr_from_str_static("__name__"), true)->value = py_obj_new_str(qstr_from_str_static("__main__"));      py_map_init(&map_builtins, MAP_QSTR, 3);      py_qstr_map_lookup(&map_builtins, q_print, true)->value = rt_make_function_1(py_builtin_print); @@ -476,6 +476,7 @@ bool py_obj_is_callable(py_obj_t o_in) {              case O_FUN_N:              case O_FUN_BC:              case O_FUN_ASM: +            // what about O_CLASS, and an O_OBJ that has a __call__ method?                  return true;              default:                  return false; @@ -633,9 +634,9 @@ py_obj_t rt_load_const_str(qstr qstr) {  py_obj_t rt_load_name(qstr qstr) {      // logic: search locals, globals, builtins      DEBUG_OP_printf("load name %s\n", qstr_str(qstr)); -    py_map_elem_t *elem = py_qstr_map_lookup(&map_locals, qstr, false); +    py_map_elem_t *elem = py_qstr_map_lookup(map_locals, qstr, false);      if (elem == NULL) { -        elem = py_qstr_map_lookup(&map_globals, qstr, false); +        elem = py_qstr_map_lookup(map_globals, qstr, false);          if (elem == NULL) {              elem = py_qstr_map_lookup(&map_builtins, qstr, false);              if (elem == NULL) { @@ -650,7 +651,7 @@ py_obj_t rt_load_name(qstr qstr) {  py_obj_t rt_load_global(qstr qstr) {      // logic: search globals, builtins      DEBUG_OP_printf("load global %s\n", qstr_str(qstr)); -    py_map_elem_t *elem = py_qstr_map_lookup(&map_globals, qstr, false); +    py_map_elem_t *elem = py_qstr_map_lookup(map_globals, qstr, false);      if (elem == NULL) {          elem = py_qstr_map_lookup(&map_builtins, qstr, false);          if (elem == NULL) { @@ -673,12 +674,12 @@ py_obj_t rt_load_build_class() {  void rt_store_name(qstr qstr, py_obj_t obj) {      DEBUG_OP_printf("store name %s <- %p\n", qstr_str(qstr), obj); -    py_qstr_map_lookup(&map_locals, qstr, true)->value = obj; +    py_qstr_map_lookup(map_locals, qstr, true)->value = obj;  }  void rt_store_global(qstr qstr, py_obj_t obj) {      DEBUG_OP_printf("store global %s <- %p\n", qstr_str(qstr), obj); -    py_qstr_map_lookup(&map_globals, qstr, true)->value = obj; +    py_qstr_map_lookup(map_globals, qstr, true)->value = obj;  }  py_obj_t rt_unary_op(int op, py_obj_t arg) { @@ -809,6 +810,26 @@ py_obj_t rt_make_function(int n_args, py_fun_t code) {      return o;  } +py_obj_t rt_call_function_0(py_obj_t fun) { +    return rt_call_function_n(fun, 0, NULL); +} + +py_obj_t rt_call_function_1(py_obj_t fun, py_obj_t arg) { +    return rt_call_function_n(fun, 1, &arg); +} + +py_obj_t rt_call_function_2(py_obj_t fun, py_obj_t arg1, py_obj_t arg2) { +    py_obj_t args[2]; +    args[1] = arg1; +    args[0] = arg2; +    return rt_call_function_n(fun, 2, args); +} + +typedef machine_uint_t (*inline_asm_fun_0_t)(); +typedef machine_uint_t (*inline_asm_fun_1_t)(machine_uint_t); +typedef machine_uint_t (*inline_asm_fun_2_t)(machine_uint_t, machine_uint_t); +typedef machine_uint_t (*inline_asm_fun_3_t)(machine_uint_t, machine_uint_t, machine_uint_t); +  // convert a Python object to a sensible value for inline asm  machine_uint_t rt_convert_obj_for_inline_asm(py_obj_t obj) {      // TODO for byte_array, pass pointer to the array @@ -847,130 +868,109 @@ py_obj_t rt_convert_val_from_inline_asm(machine_uint_t val) {      return TO_SMALL_INT(val);  } -typedef machine_uint_t (*inline_asm_fun_0_t)(); -typedef machine_uint_t (*inline_asm_fun_1_t)(machine_uint_t); -typedef machine_uint_t (*inline_asm_fun_2_t)(machine_uint_t, machine_uint_t); - -py_obj_t rt_call_function_0(py_obj_t fun) { +// args are in reverse order in the array +py_obj_t rt_call_function_n(py_obj_t fun, int n_args, const py_obj_t *args) { +    int n_args_fun = 0;      if (IS_O(fun, O_FUN_0)) {          py_obj_base_t *o = fun; -        DEBUG_OP_printf("calling native %p with no args\n", o->u_fun.fun); +        if (n_args != 0) { +            n_args_fun = 0; +            goto bad_n_args; +        } +        DEBUG_OP_printf("calling native %p()\n", o->u_fun.fun);          return ((py_fun_0_t)o->u_fun.fun)(); + +    } else if (IS_O(fun, O_FUN_1)) { +        py_obj_base_t *o = fun; +        if (n_args != 1) { +            n_args_fun = 1; +            goto bad_n_args; +        } +        DEBUG_OP_printf("calling native %p(%p)\n", o->u_fun.fun, args[0]); +        return ((py_fun_1_t)o->u_fun.fun)(args[0]); + +    } else if (IS_O(fun, O_FUN_2)) { +        py_obj_base_t *o = fun; +        if (n_args != 2) { +            n_args_fun = 2; +            goto bad_n_args; +        } +        DEBUG_OP_printf("calling native %p(%p, %p)\n", o->u_fun.fun, args[1], args[0]); +        return ((py_fun_2_t)o->u_fun.fun)(args[1], args[0]); + +    // TODO O_FUN_N +      } else if (IS_O(fun, O_FUN_BC)) {          py_obj_base_t *o = fun; -        assert(o->u_fun_bc.n_args == 0); -        DEBUG_OP_printf("calling byte code %p with no args\n", o->u_fun_bc.code); -        return py_execute_byte_code(o->u_fun_bc.code, o->u_fun_bc.len, NULL, 0); +        if (n_args != o->u_fun_bc.n_args) { +            n_args_fun = o->u_fun_bc.n_args; +            goto bad_n_args; +        } +        DEBUG_OP_printf("calling byte code %p(n_args=%d)\n", o->u_fun_bc.code, n_args); +        return py_execute_byte_code(o->u_fun_bc.code, o->u_fun_bc.len, args, n_args); +      } else if (IS_O(fun, O_FUN_ASM)) {          py_obj_base_t *o = fun; -        assert(o->u_fun_asm.n_args == 0); -        DEBUG_OP_printf("calling inline asm %p with no args\n", o->u_fun_asm.fun); -        return rt_convert_val_from_inline_asm(((inline_asm_fun_0_t)o->u_fun_asm.fun)()); +        if (n_args != o->u_fun_asm.n_args) { +            n_args_fun = o->u_fun_asm.n_args; +            goto bad_n_args; +        } +        DEBUG_OP_printf("calling inline asm %p(n_args=%d)\n", o->u_fun_asm.fun, n_args); +        machine_uint_t ret; +        if (n_args == 0) { +            ret = ((inline_asm_fun_0_t)o->u_fun_asm.fun)(); +        } else if (n_args == 1) { +            ret = ((inline_asm_fun_1_t)o->u_fun_asm.fun)(rt_convert_obj_for_inline_asm(args[0])); +        } else if (n_args == 2) { +            ret = ((inline_asm_fun_2_t)o->u_fun_asm.fun)(rt_convert_obj_for_inline_asm(args[1]), rt_convert_obj_for_inline_asm(args[0])); +        } else if (n_args == 3) { +            ret = ((inline_asm_fun_3_t)o->u_fun_asm.fun)(rt_convert_obj_for_inline_asm(args[2]), rt_convert_obj_for_inline_asm(args[1]), rt_convert_obj_for_inline_asm(args[0])); +        } else { +            assert(0); +            ret = 0; +        } +        return rt_convert_val_from_inline_asm(ret); +      } else if (IS_O(fun, O_BOUND_METH)) {          py_obj_base_t *o = fun; -        DEBUG_OP_printf("calling bound method %p with self and no args\n", o->u_bound_meth.meth); -        return rt_call_function_1(o->u_bound_meth.meth, o->u_bound_meth.self); +        DEBUG_OP_printf("calling bound method %p(self=%p, n_args=%d)\n", o->u_bound_meth.meth, o->u_bound_meth.self, n_args); +        if (n_args == 0) { +            return rt_call_function_n(o->u_bound_meth.meth, 1, &o->u_bound_meth.self); +        } else if (n_args == 1) { +            py_obj_t args2[2]; +            args2[1] = o->u_bound_meth.self; +            args2[0] = args[0]; +            return rt_call_function_n(o->u_bound_meth.meth, 2, args2); +        } else { +            // TODO not implemented +            assert(0); +            return py_const_none; +            //return rt_call_function_2(o->u_bound_meth.meth, n_args + 1, o->u_bound_meth.self + args); +        } +      } else if (IS_O(fun, O_CLASS)) {          // instantiate an instance of a class +        if (n_args != 0) { +            n_args_fun = 0; +            goto bad_n_args; +        }          DEBUG_OP_printf("instantiate object of class %p with no args\n", fun);          py_obj_base_t *o = m_new(py_obj_base_t, 1);          o->kind = O_OBJ;          o->u_obj.class = fun;          o->u_obj.members = py_map_new(MAP_QSTR, 0);          return o; -    } else { -        printf("fun0:%p\n", fun); -        assert(0); -        return py_const_none; -    } -} -py_obj_t rt_call_function_1(py_obj_t fun, py_obj_t arg) { -    if (IS_O(fun, O_FUN_1)) { -        py_obj_base_t *o = fun; -        DEBUG_OP_printf("calling native %p with 1 arg\n", o->u_fun.fun); -        return ((py_fun_1_t)o->u_fun.fun)(arg); -    } else if (IS_O(fun, O_FUN_BC)) { -        py_obj_base_t *o = fun; -        if (o->u_fun_bc.n_args != 1) { -            printf("rt_call_function_1: trying to pass 1 argument to a function that takes %d arguments\n", o->u_fun_bc.n_args); -            assert(0); -        } -        DEBUG_OP_printf("calling byte code %p with 1 arg\n", o->u_fun_bc.code); -        return py_execute_byte_code(o->u_fun_bc.code, o->u_fun_bc.len, &arg, 1); -    } else if (IS_O(fun, O_FUN_ASM)) { -        py_obj_base_t *o = fun; -        assert(o->u_fun_asm.n_args == 1); -        DEBUG_OP_printf("calling inline asm %p with 1 arg\n", o->u_fun_asm.fun); -        return rt_convert_val_from_inline_asm(((inline_asm_fun_1_t)o->u_fun_asm.fun)(rt_convert_obj_for_inline_asm(arg))); -    } else if (IS_O(fun, O_BOUND_METH)) { -        py_obj_base_t *o = fun; -        return rt_call_function_2(o->u_bound_meth.meth, o->u_bound_meth.self, arg);      } else { -        printf("fun1:%p\n", fun); +        printf("fun %p %d\n", fun, ((py_obj_base_t*)fun)->kind);          assert(0);          return py_const_none;      } -} -py_obj_t rt_call_function_2(py_obj_t fun, py_obj_t arg1, py_obj_t arg2) { -    if (IS_O(fun, O_FUN_2)) { -        py_obj_base_t *o = fun; -        DEBUG_OP_printf("calling native %p(%p, %p)\n", o->u_fun.fun, arg1, arg2); -        return ((py_fun_2_t)o->u_fun.fun)(arg1, arg2); -    } else if (IS_O(fun, O_FUN_BC)) { -        py_obj_base_t *o = fun; -        assert(o->u_fun_bc.n_args == 2); -        DEBUG_OP_printf("calling byte code %p with 2 args\n", o->u_fun_bc.code); -        py_obj_t args[2]; -        args[1] = arg1; -        args[0] = arg2; -        return py_execute_byte_code(o->u_fun_bc.code, o->u_fun_bc.len, &args[0], 2); -    } else if (IS_O(fun, O_FUN_ASM)) { -        py_obj_base_t *o = fun; -        assert(o->u_fun_asm.n_args == 2); -        DEBUG_OP_printf("calling inline asm %p with 2 args\n", o->u_fun_asm.fun); -        return rt_convert_val_from_inline_asm(((inline_asm_fun_2_t)o->u_fun_asm.fun)(rt_convert_obj_for_inline_asm(arg1), rt_convert_obj_for_inline_asm(arg2))); -    } else { -        assert(0); -        return py_const_none; -    } -} - -// args are in reverse order in the array -py_obj_t rt_call_function_n(py_obj_t fun, int n_args, const py_obj_t *args) { -    if (IS_O(fun, O_FUN_2)) { -        assert(n_args == 2); -        py_obj_base_t *o = fun; -        DEBUG_OP_printf("calling native %p(%p, %p)\n", o->u_fun.fun, args[1], args[0]); -        return ((py_fun_2_t)o->u_fun.fun)(args[1], args[0]); -    } else if (IS_O(fun, O_FUN_BC)) { -        py_obj_base_t *o = fun; -        assert(o->u_fun_bc.n_args == n_args); -        DEBUG_OP_printf("calling byte code %p with %d args\n", o->u_fun_bc.code, n_args); -        return py_execute_byte_code(o->u_fun_bc.code, o->u_fun_bc.len, args, n_args); -    } else { -        assert(0); -        return py_const_none; -    } -} - -py_obj_t rt_call_method_1(py_obj_t fun, py_obj_t self) { -    DEBUG_OP_printf("call method %p(self=%p)\n", fun, self); -    if (self == NULL) { -        return rt_call_function_0(fun); -    } else { -        return rt_call_function_1(fun, self); -    } -} - -py_obj_t rt_call_method_2(py_obj_t fun, py_obj_t self, py_obj_t arg) { -    DEBUG_OP_printf("call method %p(self=%p, %p)\n", fun, self, arg); -    if (self == NULL) { -        return rt_call_function_1(fun, arg); -    } else { -        return rt_call_function_2(fun, self, arg); -    } +bad_n_args: +    printf("TypeError: function takes %d positional arguments but %d were given\n", n_args_fun, n_args); +    assert(0); +    return py_const_none;  }  // args contains: arg(n_args-1)  arg(n_args-2)  ...  arg(0)  self/NULL  fun @@ -1206,11 +1206,7 @@ void *rt_fun_table[RT_F_NUMBER_OF] = {      rt_store_map,      rt_build_set,      rt_make_function_from_id, -    rt_call_function_0, -    rt_call_function_1, -    rt_call_function_2, -    rt_call_method_1, -    rt_call_method_2, +    rt_call_function_n,      rt_call_method_n,      rt_binary_op,      rt_compare_op, | 
