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Simplify and improve function & method calling.

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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2
py/emitbc.c
View File

@ -13,7 +13,7 @@
#include "scope.h"
#include "runtime.h"
#include "emit.h"
#include "vm.h"
#include "bc.h"
struct _emit_t {
pass_kind_t pass;

46
py/emitnative.c
View File

@ -59,7 +59,7 @@
#define REG_TEMP2 (REG_RSI)
#define ASM_MOV_REG_TO_LOCAL(reg, local_num) asm_x64_mov_r64_to_local(emit->as, (reg), (local_num))
#define ASM_MOV_IMM_TO_REG(imm, reg) asm_x64_mov_i64_to_r64_optimised(emit->as, (imm), (reg))
#define ASM_MOV_IMM_TO_LOCAL(imm, local_num) do { asm_x64_mov_i64_to_r64_optimised(emit->as, (imm), REG_RAX); asm_x64_mov_r64_to_local(emit->as, REG_RAX, (local_num)); } while (false)
#define ASM_MOV_IMM_TO_LOCAL_USING(imm, local_num, reg_temp) do { asm_x64_mov_i64_to_r64_optimised(emit->as, (imm), (reg_temp)); asm_x64_mov_r64_to_local(emit->as, (reg_temp), (local_num)); } while (false)
#define ASM_MOV_LOCAL_TO_REG(local_num, reg) asm_x64_mov_local_to_r64(emit->as, (local_num), (reg))
#define ASM_MOV_REG_TO_REG(reg_src, reg_dest) asm_x64_mov_r64_to_r64(emit->as, (reg_src), (reg_dest))
#define ASM_MOV_LOCAL_ADDR_TO_REG(local_num, reg) asm_x64_mov_local_addr_to_r64(emit->as, (local_num), (reg))
@ -82,7 +82,7 @@
#define REG_TEMP2 (REG_R2)
#define ASM_MOV_REG_TO_LOCAL(reg, local_num) asm_thumb_mov_local_reg(emit->as, (local_num), (reg))
#define ASM_MOV_IMM_TO_REG(imm, reg) asm_thumb_mov_reg_i32_optimised(emit->as, (reg), (imm))
#define ASM_MOV_IMM_TO_LOCAL(imm, local_num) do { asm_thumb_mov_reg_i32_optimised(emit->as, REG_R0, (imm)); asm_thumb_mov_local_reg(emit->as, (local_num), REG_R0); } while (false)
#define ASM_MOV_IMM_TO_LOCAL_USING(imm, local_num, reg_temp) do { asm_thumb_mov_reg_i32_optimised(emit->as, (reg_temp), (imm)); asm_thumb_mov_local_reg(emit->as, (local_num), (reg_temp)); } while (false)
#define ASM_MOV_LOCAL_TO_REG(local_num, reg) asm_thumb_mov_reg_local(emit->as, (reg), (local_num))
#define ASM_MOV_REG_TO_REG(reg_src, reg_dest) asm_thumb_mov_reg_reg(emit->as, (reg_dest), (reg_src))
#define ASM_MOV_LOCAL_ADDR_TO_REG(local_num, reg) asm_thumb_mov_reg_local_addr(emit->as, (reg), (local_num))
@ -344,7 +344,7 @@ static void need_reg_single(emit_t *emit, int reg_needed) {
}
}
static void need_reg_all(emit_t *emit, int num_stack_top_that_must_be_value) {
static void need_reg_all(emit_t *emit) {
for (int i = 0; i < emit->stack_size; i++) {
stack_info_t *si = &emit->stack_info[i];
if (si->kind == STACK_REG) {
@ -352,14 +352,6 @@ static void need_reg_all(emit_t *emit, int num_stack_top_that_must_be_value) {
ASM_MOV_REG_TO_LOCAL(si->u_reg, emit->stack_start + i);
}
}
// must do this after making all registers available because ASM_MOV_IMM_TO_LOCAL uses a temporary register
for (int i = 0; i < num_stack_top_that_must_be_value; i++) {
stack_info_t *si = &emit->stack_info[emit->stack_size - 1 - i];
if (si->kind == STACK_IMM) {
si->kind = STACK_VALUE;
ASM_MOV_IMM_TO_LOCAL(si->u_imm, emit->stack_start + emit->stack_size - 1 - i);
}
}
}
static void emit_pre_pop_reg(emit_t *emit, vtype_kind_t *vtype, int reg_dest) {
@ -434,11 +426,18 @@ static void emit_post_push_reg_reg_reg_reg(emit_t *emit, vtype_kind_t vtypea, in
}
// vtype of all n_pop objects is VTYPE_PYOBJ
// does not use any temporary registers (but may use reg_dest before loading it with stack pointer)
static void emit_get_stack_pointer_to_reg_for_pop(emit_t *emit, int reg_dest, int n_pop) {
need_reg_all(emit, n_pop);
need_reg_all(emit);
for (int i = 0; i < n_pop; i++) {
assert(emit->stack_info[emit->stack_size - 1 - i].kind == STACK_VALUE);
assert(emit->stack_info[emit->stack_size - 1 - i].vtype == VTYPE_PYOBJ);
stack_info_t *si = &emit->stack_info[emit->stack_size - 1 - i];
// must push any imm's to stack
if (si->kind == STACK_IMM) {
si->kind = STACK_VALUE;
ASM_MOV_IMM_TO_LOCAL_USING(si->u_imm, emit->stack_start + emit->stack_size - 1 - i, reg_dest);
}
assert(si->kind == STACK_VALUE);
assert(si->vtype == VTYPE_PYOBJ);
}
ASM_MOV_LOCAL_ADDR_TO_REG(emit->stack_start + emit->stack_size - 1, reg_dest);
adjust_stack(emit, -n_pop);
@ -446,7 +445,7 @@ static void emit_get_stack_pointer_to_reg_for_pop(emit_t *emit, int reg_dest, in
// vtype of all n_push objects is VTYPE_PYOBJ
static void emit_get_stack_pointer_to_reg_for_push(emit_t *emit, int reg_dest, int n_push) {
need_reg_all(emit, 0);
need_reg_all(emit);
for (int i = 0; i < n_push; i++) {
emit->stack_info[emit->stack_size + i].kind = STACK_VALUE;
emit->stack_info[emit->stack_size + i].vtype = VTYPE_PYOBJ;
@ -464,7 +463,7 @@ static void emit_call(emit_t *emit, rt_fun_kind_t fun_kind, void *fun) {
}
static void emit_call_with_imm_arg(emit_t *emit, rt_fun_kind_t fun_kind, void *fun, machine_int_t arg_val, int arg_reg) {
need_reg_all(emit, 0);
need_reg_all(emit);
ASM_MOV_IMM_TO_REG(arg_val, arg_reg);
emit_call(emit, fun_kind, fun);
}
@ -1049,6 +1048,7 @@ static void emit_native_make_closure(emit_t *emit, scope_t *scope, int n_dict_pa
static void emit_native_call_function(emit_t *emit, int n_positional, int n_keyword, bool have_star_arg, bool have_dbl_star_arg) {
// call special viper runtime routine with type info for args, and wanted type info for return
assert(n_keyword == 0 && !have_star_arg && !have_dbl_star_arg);
/*
if (n_positional == 0) {
vtype_kind_t vtype_fun;
emit_pre_pop_reg(emit, &vtype_fun, REG_ARG_1); // the function
@ -1068,13 +1068,22 @@ static void emit_native_call_function(emit_t *emit, int n_positional, int n_keyw
assert(vtype_arg2 == VTYPE_PYOBJ);
emit_call(emit, RT_F_CALL_FUNCTION_2, rt_call_function_2);
} else {
assert(0);
*/
emit_pre(emit);
if (n_positional != 0) {
emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_3, n_positional); // pointer to args in reverse order
}
vtype_kind_t vtype_fun;
emit_pre_pop_reg(emit, &vtype_fun, REG_ARG_1); // the function
assert(vtype_fun == VTYPE_PYOBJ);
emit_call_with_imm_arg(emit, RT_F_CALL_FUNCTION_N, rt_call_function_n, n_positional, REG_ARG_2);
//}
emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
}
static void emit_native_call_method(emit_t *emit, int n_positional, int n_keyword, bool have_star_arg, bool have_dbl_star_arg) {
assert(n_keyword == 0 && !have_star_arg && !have_dbl_star_arg);
/*
if (n_positional == 0) {
vtype_kind_t vtype_meth, vtype_self;
emit_pre_pop_reg_reg(emit, &vtype_self, REG_ARG_2, &vtype_meth, REG_ARG_1); // the self object (or NULL), the method
@ -1089,10 +1098,11 @@ static void emit_native_call_method(emit_t *emit, int n_positional, int n_keywor
assert(vtype_arg1 == VTYPE_PYOBJ);
emit_call(emit, RT_F_CALL_METHOD_2, rt_call_method_2);
} else {
*/
emit_pre(emit);
emit_get_stack_pointer_to_reg_for_pop(emit, REG_ARG_2, n_positional + 2); // pointer to items in reverse order, including meth and self
emit_call_with_imm_arg(emit, RT_F_CALL_METHOD_N, rt_call_method_n, n_positional, REG_ARG_1);
}
//}
emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
}

234
py/runtime.c
View File

@ -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
@ -847,131 +868,110 @@ 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);
printf("fun %p %d\n", fun, ((py_obj_base_t*)fun)->kind);
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);
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;
}
}
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);
}
}
// args contains: arg(n_args-1) arg(n_args-2) ... arg(0) self/NULL fun
// if n_args==0 then there are only self/NULL and 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,

7
py/runtime.h
View File

@ -64,11 +64,7 @@ typedef enum {
RT_F_STORE_MAP,
RT_F_BUILD_SET,
RT_F_MAKE_FUNCTION_FROM_ID,
RT_F_CALL_FUNCTION_0,
RT_F_CALL_FUNCTION_1,
RT_F_CALL_FUNCTION_2,
RT_F_CALL_METHOD_1,
RT_F_CALL_METHOD_2,
RT_F_CALL_FUNCTION_N,
RT_F_CALL_METHOD_N,
RT_F_BINARY_OP,
RT_F_COMPARE_OP,
@ -115,6 +111,7 @@ py_obj_t rt_make_function(int n_args, py_fun_t code);
py_obj_t rt_call_function_0(py_obj_t fun);
py_obj_t rt_call_function_1(py_obj_t fun, py_obj_t arg);
py_obj_t rt_call_function_2(py_obj_t fun, py_obj_t arg1, py_obj_t arg2);
py_obj_t rt_call_function_n(py_obj_t fun, int n_args, const py_obj_t *args);
py_obj_t rt_call_method_1(py_obj_t fun, py_obj_t self);
py_obj_t rt_call_method_2(py_obj_t fun, py_obj_t self, py_obj_t arg);
py_obj_t rt_call_method_n(int n_args, const py_obj_t *args);

30
py/vm.c
View File

@ -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;
unum &= 0xff;
obj1 = rt_call_method_n(unum, sp);
sp += unum + 1;
*sp = obj1;
}
break;
case PYBC_RETURN_VALUE: