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py: Wrap #if's around emitter functions that are used only by emitcpy. 

3 emitter functions are needed only for emitcpy, and so we can #if them
out when compiling with emitcpy support.

Also remove unused SETUP_LOOP bytecode.
This commit is contained in:
Damien George 2014-04-20 18:02:27 +01:00
parent 3558f62fb5
commit 5f6a25fc50
9 changed files with 40 additions and 77 deletions
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1
py/bc0.h
View File

@ -51,7 +51,6 @@
#define MP_BC_POP_JUMP_IF_FALSE (0x47) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_JUMP_IF_TRUE_OR_POP (0x48) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_JUMP_IF_FALSE_OR_POP (0x49) // rel byte code offset, 16-bit signed, in excess
#define MP_BC_SETUP_LOOP (0x4a) // rel byte code offset, 16-bit unsigned
#define MP_BC_SETUP_WITH (0x4d) // rel byte code offset, 16-bit unsigned
#define MP_BC_WITH_CLEANUP (0x4e)
#define MP_BC_SETUP_EXCEPT (0x4f) // rel byte code offset, 16-bit unsigned

11
py/emit.h
View File

@ -41,11 +41,9 @@ typedef struct _emit_method_table_t {
void (*load_const_dec)(emit_t *emit, qstr qstr);
void (*load_const_id)(emit_t *emit, qstr qstr);
void (*load_const_str)(emit_t *emit, qstr qstr, bool bytes);
void (*load_const_verbatim_str)(emit_t *emit, const char *str); // only needed for emitcpy
void (*load_null)(emit_t *emit);
void (*load_fast)(emit_t *emit, qstr qstr, uint id_flags, int local_num);
void (*load_deref)(emit_t *emit, qstr qstr, int local_num);
void (*load_closure)(emit_t *emit, qstr qstr, int local_num); // only needed for emitcpy
void (*load_name)(emit_t *emit, qstr qstr);
void (*load_global)(emit_t *emit, qstr qstr);
void (*load_attr)(emit_t *emit, qstr qstr);
@ -74,7 +72,6 @@ typedef struct _emit_method_table_t {
void (*pop_jump_if_false)(emit_t *emit, uint label);
void (*jump_if_true_or_pop)(emit_t *emit, uint label);
void (*jump_if_false_or_pop)(emit_t *emit, uint label);
void (*setup_loop)(emit_t *emit, uint label);
void (*break_loop)(emit_t *emit, uint label, int except_depth);
void (*continue_loop)(emit_t *emit, uint label, int except_depth);
void (*setup_with)(emit_t *emit, uint label);
@ -108,6 +105,14 @@ typedef struct _emit_method_table_t {
void (*raise_varargs)(emit_t *emit, int n_args);
void (*yield_value)(emit_t *emit);
void (*yield_from)(emit_t *emit);
#if MICROPY_EMIT_CPYTHON
// these methods are only needed for emitcpy
void (*load_const_verbatim_str)(emit_t *emit, const char *str);
void (*load_closure)(emit_t *emit, qstr qstr, int local_num);
void (*setup_loop)(emit_t *emit, uint label);
#endif
} emit_method_table_t;
void emit_common_load_id(emit_t *emit, const emit_method_table_t *emit_method_table, scope_t *scope, qstr qstr);

22
py/emitbc.c
View File

@ -16,6 +16,8 @@
#include "emit.h"
#include "bc0.h"
#if !MICROPY_EMIT_CPYTHON
struct _emit_t {
pass_kind_t pass;
int stack_size;
@ -421,11 +423,6 @@ STATIC void emit_bc_load_const_str(emit_t *emit, qstr qstr, bool bytes) {
}
}
STATIC void emit_bc_load_const_verbatim_str(emit_t *emit, const char *str) {
// not needed/supported for BC
assert(0);
}
STATIC void emit_bc_load_null(emit_t *emit) {
emit_bc_pre(emit, 1);
emit_write_byte_code_byte(emit, MP_BC_LOAD_NULL);
@ -447,11 +444,6 @@ STATIC void emit_bc_load_deref(emit_t *emit, qstr qstr, int local_num) {
emit_write_byte_code_byte_uint(emit, MP_BC_LOAD_DEREF, local_num);
}
STATIC void emit_bc_load_closure(emit_t *emit, qstr qstr, int local_num) {
// not needed/supported for BC
assert(0);
}
STATIC void emit_bc_load_name(emit_t *emit, qstr qstr) {
emit_bc_pre(emit, 1);
emit_write_byte_code_byte_qstr(emit, MP_BC_LOAD_NAME, qstr);
@ -598,11 +590,6 @@ STATIC void emit_bc_jump_if_false_or_pop(emit_t *emit, uint label) {
emit_write_byte_code_byte_signed_label(emit, MP_BC_JUMP_IF_FALSE_OR_POP, label);
}
STATIC void emit_bc_setup_loop(emit_t *emit, uint label) {
emit_bc_pre(emit, 0);
emit_write_byte_code_byte_unsigned_label(emit, MP_BC_SETUP_LOOP, label);
}
STATIC void emit_bc_unwind_jump(emit_t *emit, uint label, int except_depth) {
if (except_depth == 0) {
emit_bc_jump(emit, label);
@ -855,11 +842,9 @@ const emit_method_table_t emit_bc_method_table = {
emit_bc_load_const_dec,
emit_bc_load_const_id,
emit_bc_load_const_str,
emit_bc_load_const_verbatim_str,
emit_bc_load_null,
emit_bc_load_fast,
emit_bc_load_deref,
emit_bc_load_closure,
emit_bc_load_name,
emit_bc_load_global,
emit_bc_load_attr,
@ -888,7 +873,6 @@ const emit_method_table_t emit_bc_method_table = {
emit_bc_pop_jump_if_false,
emit_bc_jump_if_true_or_pop,
emit_bc_jump_if_false_or_pop,
emit_bc_setup_loop,
emit_bc_unwind_jump,
emit_bc_unwind_jump,
emit_bc_setup_with,
@ -923,3 +907,5 @@ const emit_method_table_t emit_bc_method_table = {
emit_bc_yield_value,
emit_bc_yield_from,
};
#endif // !MICROPY_EMIT_CPYTHON

50
py/emitcpy.c
View File

@ -221,13 +221,6 @@ STATIC void emit_cpy_load_const_str(emit_t *emit, qstr qstr, bool bytes) {
}
}
STATIC void emit_cpy_load_const_verbatim_str(emit_t *emit, const char *str) {
emit_pre(emit, 1, 3);
if (emit->pass == PASS_3) {
printf("LOAD_CONST %s\n", str);
}
}
STATIC void emit_cpy_load_null(emit_t *emit) {
// unused for cpy
assert(0);
@ -247,13 +240,6 @@ STATIC void emit_cpy_load_deref(emit_t *emit, qstr qstr, int local_num) {
}
}
STATIC void emit_cpy_load_closure(emit_t *emit, qstr qstr, int local_num) {
emit_pre(emit, 1, 3);
if (emit->pass == PASS_3) {
printf("LOAD_CLOSURE %d %s\n", local_num, qstr_str(qstr));
}
}
STATIC void emit_cpy_load_name(emit_t *emit, qstr qstr) {
emit_pre(emit, 1, 3);
if (emit->pass == PASS_3) {
@ -452,13 +438,6 @@ STATIC void emit_cpy_jump_if_false_or_pop(emit_t *emit, uint label) {
}
}
STATIC void emit_cpy_setup_loop(emit_t *emit, uint label) {
emit_pre(emit, 0, 3);
if (emit->pass == PASS_3) {
printf("SETUP_LOOP %d\n", emit->label_offsets[label]);
}
}
STATIC void emit_cpy_break_loop(emit_t *emit, uint label, int except_depth) {
emit_pre(emit, 0, 1);
if (emit->pass == PASS_3) {
@ -798,6 +777,27 @@ STATIC void emit_cpy_yield_from(emit_t *emit) {
}
}
STATIC void emit_cpy_load_const_verbatim_str(emit_t *emit, const char *str) {
emit_pre(emit, 1, 3);
if (emit->pass == PASS_3) {
printf("LOAD_CONST %s\n", str);
}
}
STATIC void emit_cpy_load_closure(emit_t *emit, qstr qstr, int local_num) {
emit_pre(emit, 1, 3);
if (emit->pass == PASS_3) {
printf("LOAD_CLOSURE %d %s\n", local_num, qstr_str(qstr));
}
}
STATIC void emit_cpy_setup_loop(emit_t *emit, uint label) {
emit_pre(emit, 0, 3);
if (emit->pass == PASS_3) {
printf("SETUP_LOOP %d\n", emit->label_offsets[label]);
}
}
const emit_method_table_t emit_cpython_method_table = {
emit_cpy_set_native_types,
emit_cpy_start_pass,
@ -820,11 +820,9 @@ const emit_method_table_t emit_cpython_method_table = {
emit_cpy_load_const_dec,
emit_cpy_load_const_id,
emit_cpy_load_const_str,
emit_cpy_load_const_verbatim_str,
emit_cpy_load_null,
emit_cpy_load_fast,
emit_cpy_load_deref,
emit_cpy_load_closure,
emit_cpy_load_name,
emit_cpy_load_global,
emit_cpy_load_attr,
@ -853,7 +851,6 @@ const emit_method_table_t emit_cpython_method_table = {
emit_cpy_pop_jump_if_false,
emit_cpy_jump_if_true_or_pop,
emit_cpy_jump_if_false_or_pop,
emit_cpy_setup_loop,
emit_cpy_break_loop,
emit_cpy_continue_loop,
emit_cpy_setup_with,
@ -887,6 +884,11 @@ const emit_method_table_t emit_cpython_method_table = {
emit_cpy_raise_varargs,
emit_cpy_yield_value,
emit_cpy_yield_from,
// emitcpy specific functions
emit_cpy_load_const_verbatim_str,
emit_cpy_load_closure,
emit_cpy_setup_loop,
};
#endif // MICROPY_EMIT_CPYTHON

18
py/emitnative.c
View File

@ -695,11 +695,6 @@ STATIC void emit_native_load_const_str(emit_t *emit, qstr qstr, bool bytes) {
}
}
STATIC void emit_native_load_const_verbatim_str(emit_t *emit, const char *str) {
// not supported/needed for viper
assert(0);
}
STATIC void emit_native_load_null(emit_t *emit) {
emit_native_pre(emit);
emit_post_push_imm(emit, VTYPE_PYOBJ, 0);
@ -740,11 +735,6 @@ STATIC void emit_native_load_deref(emit_t *emit, qstr qstr, int local_num) {
assert(0);
}
STATIC void emit_native_load_closure(emit_t *emit, qstr qstr, int local_num) {
// not implemented
assert(0);
}
STATIC void emit_native_load_name(emit_t *emit, qstr qstr) {
emit_native_pre(emit);
emit_call_with_imm_arg(emit, MP_F_LOAD_NAME, mp_load_name, qstr, REG_ARG_1);
@ -990,11 +980,6 @@ STATIC void emit_native_jump_if_false_or_pop(emit_t *emit, uint label) {
assert(0);
}
STATIC void emit_native_setup_loop(emit_t *emit, uint label) {
emit_native_pre(emit);
emit_post(emit);
}
STATIC void emit_native_break_loop(emit_t *emit, uint label, int except_depth) {
emit_native_jump(emit, label); // TODO properly
}
@ -1339,11 +1324,9 @@ const emit_method_table_t EXPORT_FUN(method_table) = {
emit_native_load_const_dec,
emit_native_load_const_id,
emit_native_load_const_str,
emit_native_load_const_verbatim_str,
emit_native_load_null,
emit_native_load_fast,
emit_native_load_deref,
emit_native_load_closure,
emit_native_load_name,
emit_native_load_global,
emit_native_load_attr,
@ -1372,7 +1355,6 @@ const emit_method_table_t EXPORT_FUN(method_table) = {
emit_native_pop_jump_if_false,
emit_native_jump_if_true_or_pop,
emit_native_jump_if_false_or_pop,
emit_native_setup_loop,
emit_native_break_loop,
emit_native_continue_loop,
emit_native_setup_with,

2
py/emitpass1.c
View File

@ -189,7 +189,9 @@ const emit_method_table_t emit_pass1_method_table = {
(void*)emit_pass1_dummy,
(void*)emit_pass1_dummy,
(void*)emit_pass1_dummy,
#if MICROPY_EMIT_CPYTHON
(void*)emit_pass1_dummy,
(void*)emit_pass1_dummy,
(void*)emit_pass1_dummy,
#endif
};

5
py/showbc.c
View File

@ -287,11 +287,6 @@ void mp_byte_code_print(const byte *ip, int len) {
printf("JUMP_IF_FALSE_OR_POP " UINT_FMT, ip + unum - ip_start);
break;
case MP_BC_SETUP_LOOP:
DECODE_ULABEL; // loop labels are always forward
printf("SETUP_LOOP " UINT_FMT, ip + unum - ip_start);
break;
case MP_BC_SETUP_WITH:
DECODE_ULABEL; // loop-like labels are always forward
printf("SETUP_WITH " UINT_FMT, ip + unum - ip_start);

7
py/vm.c
View File

@ -481,13 +481,6 @@ dispatch_loop:
}
DISPATCH();
/* we are trying to get away without using this opcode
ENTRY(MP_BC_SETUP_LOOP):
DECODE_UINT;
// push_block(MP_BC_SETUP_LOOP, ip + unum, sp)
DISPATCH();
*/
ENTRY(MP_BC_SETUP_WITH):
obj1 = TOP();
SET_TOP(mp_load_attr(obj1, MP_QSTR___exit__));

1
py/vmentrytable.h
View File

@ -45,7 +45,6 @@ static void* entry_table[256] = {
[MP_BC_POP_JUMP_IF_FALSE] = &&entry_MP_BC_POP_JUMP_IF_FALSE,
[MP_BC_JUMP_IF_TRUE_OR_POP] = &&entry_MP_BC_JUMP_IF_TRUE_OR_POP,
[MP_BC_JUMP_IF_FALSE_OR_POP] = &&entry_MP_BC_JUMP_IF_FALSE_OR_POP,
// [MP_BC_SETUP_LOOP] = &&entry_MP_BC_SETUP_LOOP,
[MP_BC_SETUP_WITH] = &&entry_MP_BC_SETUP_WITH,
[MP_BC_WITH_CLEANUP] = &&entry_MP_BC_WITH_CLEANUP,
[MP_BC_UNWIND_JUMP] = &&entry_MP_BC_UNWIND_JUMP,