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py: Pass all scope flags through to runtime.

This commit is contained in:
Damien George 2014-02-15 19:33:11 +00:00
parent c5966128c7
commit 8725f8f7de
6 changed files with 36 additions and 36 deletions
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18
py/compile.c
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@ -2595,11 +2595,11 @@ void compile_scope_func_lambda_param(compiler_t *comp, mp_parse_node_t pn, pn_ki
//assert(comp->scope_cur->num_dict_params == 0);
} else if (MP_PARSE_NODE_IS_ID(pns->nodes[0])) {
// named star
comp->scope_cur->flags |= SCOPE_FLAG_VARARGS;
comp->scope_cur->scope_flags |= MP_SCOPE_FLAG_VARARGS;
param_name = MP_PARSE_NODE_LEAF_ARG(pns->nodes[0]);
} else if (allow_annotations && MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[0], PN_tfpdef)) {
// named star with annotation
comp->scope_cur->flags |= SCOPE_FLAG_VARARGS;
comp->scope_cur->scope_flags |= MP_SCOPE_FLAG_VARARGS;
pns = (mp_parse_node_struct_t*)pns->nodes[0];
param_name = MP_PARSE_NODE_LEAF_ARG(pns->nodes[0]);
pn_annotation = pns->nodes[1];
@ -2613,7 +2613,7 @@ void compile_scope_func_lambda_param(compiler_t *comp, mp_parse_node_t pn, pn_ki
// this parameter has an annotation
pn_annotation = pns->nodes[1];
}
comp->scope_cur->flags |= SCOPE_FLAG_VARKEYWORDS;
comp->scope_cur->scope_flags |= MP_SCOPE_FLAG_VARKEYWORDS;
} else {
// TODO anything to implement?
assert(0);
@ -3032,19 +3032,19 @@ void compile_scope_compute_things(compiler_t *comp, scope_t *scope) {
#endif
}
// compute flags
//scope->flags = 0; since we set some things in parameters
// compute scope_flags
//scope->scope_flags = 0; since we set some things in parameters
if (scope->kind != SCOPE_MODULE) {
scope->flags |= SCOPE_FLAG_NEWLOCALS;
scope->scope_flags |= MP_SCOPE_FLAG_NEWLOCALS;
}
if (scope->kind == SCOPE_FUNCTION || scope->kind == SCOPE_LAMBDA || scope->kind == SCOPE_LIST_COMP || scope->kind == SCOPE_DICT_COMP || scope->kind == SCOPE_SET_COMP || scope->kind == SCOPE_GEN_EXPR) {
assert(scope->parent != NULL);
scope->flags |= SCOPE_FLAG_OPTIMISED;
scope->scope_flags |= MP_SCOPE_FLAG_OPTIMISED;
// TODO possibly other ways it can be nested
// Note that we don't actually use this information at the moment (for CPython compat only)
if ((SCOPE_FUNCTION <= scope->parent->kind && scope->parent->kind <= SCOPE_SET_COMP) || (scope->parent->kind == SCOPE_CLASS && scope->parent->parent->kind == SCOPE_FUNCTION)) {
scope->flags |= SCOPE_FLAG_NESTED;
scope->scope_flags |= MP_SCOPE_FLAG_NESTED;
}
}
int num_free = 0;
@ -3055,7 +3055,7 @@ void compile_scope_compute_things(compiler_t *comp, scope_t *scope) {
}
}
if (num_free == 0) {
scope->flags |= SCOPE_FLAG_NOFREE;
scope->scope_flags |= MP_SCOPE_FLAG_NOFREE;
}
}

6
py/emitbc.c
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@ -242,7 +242,7 @@ STATIC void emit_bc_end_pass(emit_t *emit) {
emit->code_base = m_new(byte, emit->code_info_size + emit->byte_code_size);
} else if (emit->pass == PASS_3) {
rt_assign_byte_code(emit->scope->unique_code_id, emit->code_base, emit->code_info_size + emit->byte_code_size, emit->scope->num_params, emit->scope->num_locals, emit->scope->stack_size, (emit->scope->flags & SCOPE_FLAG_GENERATOR) != 0);
rt_assign_byte_code(emit->scope->unique_code_id, emit->code_base, emit->code_info_size + emit->byte_code_size, emit->scope->num_params, emit->scope->num_locals, emit->scope->stack_size, emit->scope->scope_flags);
}
}
@ -779,7 +779,7 @@ STATIC void emit_bc_raise_varargs(emit_t *emit, int n_args) {
STATIC void emit_bc_yield_value(emit_t *emit) {
emit_pre(emit, 0);
if (emit->pass == PASS_2) {
emit->scope->flags |= SCOPE_FLAG_GENERATOR;
emit->scope->scope_flags |= MP_SCOPE_FLAG_GENERATOR;
}
emit_write_byte_code_byte(emit, MP_BC_YIELD_VALUE);
}
@ -787,7 +787,7 @@ STATIC void emit_bc_yield_value(emit_t *emit) {
STATIC void emit_bc_yield_from(emit_t *emit) {
emit_pre(emit, -1);
if (emit->pass == PASS_2) {
emit->scope->flags |= SCOPE_FLAG_GENERATOR;
emit->scope->scope_flags |= MP_SCOPE_FLAG_GENERATOR;
}
emit_write_byte_code_byte(emit, MP_BC_YIELD_FROM);
}

12
py/runtime.c
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@ -46,7 +46,7 @@ typedef enum {
typedef struct _mp_code_t {
struct {
mp_code_kind_t kind : 8;
bool is_generator : 1;
uint scope_flags : 8;
};
struct {
uint n_args : 16;
@ -242,12 +242,12 @@ STATIC void alloc_unique_codes(void) {
}
}
void rt_assign_byte_code(uint unique_code_id, byte *code, uint len, int n_args, int n_locals, int n_stack, bool is_generator) {
void rt_assign_byte_code(uint unique_code_id, byte *code, uint len, int n_args, int n_locals, int n_stack, uint scope_flags) {
alloc_unique_codes();
assert(1 <= unique_code_id && unique_code_id < next_unique_code_id && unique_codes[unique_code_id].kind == MP_CODE_NONE);
unique_codes[unique_code_id].kind = MP_CODE_BYTE;
unique_codes[unique_code_id].is_generator = is_generator;
unique_codes[unique_code_id].scope_flags = scope_flags;
unique_codes[unique_code_id].n_args = n_args;
unique_codes[unique_code_id].n_state = n_locals + n_stack;
unique_codes[unique_code_id].u_byte.code = code;
@ -275,7 +275,7 @@ void rt_assign_native_code(uint unique_code_id, void *fun, uint len, int n_args)
assert(1 <= unique_code_id && unique_code_id < next_unique_code_id && unique_codes[unique_code_id].kind == MP_CODE_NONE);
unique_codes[unique_code_id].kind = MP_CODE_NATIVE;
unique_codes[unique_code_id].is_generator = false;
unique_codes[unique_code_id].scope_flags = 0;
unique_codes[unique_code_id].n_args = n_args;
unique_codes[unique_code_id].n_state = 0;
unique_codes[unique_code_id].u_native.fun = fun;
@ -307,7 +307,7 @@ void rt_assign_inline_asm_code(uint unique_code_id, void *fun, uint len, int n_a
assert(1 <= unique_code_id && unique_code_id < next_unique_code_id && unique_codes[unique_code_id].kind == MP_CODE_NONE);
unique_codes[unique_code_id].kind = MP_CODE_INLINE_ASM;
unique_codes[unique_code_id].is_generator = false;
unique_codes[unique_code_id].scope_flags = 0;
unique_codes[unique_code_id].n_args = n_args;
unique_codes[unique_code_id].n_state = 0;
unique_codes[unique_code_id].u_inline_asm.fun = fun;
@ -728,7 +728,7 @@ mp_obj_t rt_make_function_from_id(int unique_code_id, mp_obj_t def_args) {
}
// check for generator functions and if so wrap in generator object
if (c->is_generator) {
if ((c->scope_flags & MP_SCOPE_FLAG_GENERATOR) != 0) {
fun = mp_obj_new_gen_wrap(fun);
}

16
py/runtime0.h
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@ -1,3 +1,17 @@
// taken from python source, Include/code.h
#define MP_SCOPE_FLAG_OPTIMISED 0x01
#define MP_SCOPE_FLAG_NEWLOCALS 0x02
#define MP_SCOPE_FLAG_VARARGS 0x04
#define MP_SCOPE_FLAG_VARKEYWORDS 0x08
#define MP_SCOPE_FLAG_NESTED 0x10
#define MP_SCOPE_FLAG_GENERATOR 0x20
/* The MP_SCOPE_FLAG_NOFREE flag is set if there are no free or cell variables.
This information is redundant, but it allows a single flag test
to determine whether there is any extra work to be done when the
call frame is setup.
*/
#define MP_SCOPE_FLAG_NOFREE 0x40
typedef enum {
RT_UNARY_OP_BOOL, // __bool__
RT_UNARY_OP_LEN, // __len__
@ -83,6 +97,6 @@ extern void *const rt_fun_table[RT_F_NUMBER_OF];
void rt_init(void);
void rt_deinit(void);
uint rt_get_unique_code_id(void);
void rt_assign_byte_code(uint unique_code_id, byte *code, uint len, int n_args, int n_locals, int n_stack, bool is_generator);
void rt_assign_byte_code(uint unique_code_id, byte *code, uint len, int n_args, int n_locals, int n_stack, uint scope_flags);
void rt_assign_native_code(uint unique_code_id, void *f, uint len, int n_args);
void rt_assign_inline_asm_code(uint unique_code_id, void *f, uint len, int n_args);

4
py/scope.c
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@ -47,7 +47,7 @@ scope_t *scope_new(scope_kind_t kind, mp_parse_node_t pn, qstr source_file, uint
scope->id_info_len = 0;
scope->id_info = m_new(id_info_t, scope->id_info_alloc);
scope->flags = 0;
scope->scope_flags = 0;
scope->num_params = 0;
/* not needed
scope->num_default_params = 0;
@ -244,7 +244,7 @@ void scope_print_info(scope_t *s) {
}
printf("\n");
*/
printf(" flags %04x\n", s->flags);
printf(" flags %04x\n", s->scope_flags);
printf(" argcount %d\n", s->num_params);
printf(" nlocals %d\n", s->num_locals);
printf(" stacksize %d\n", s->stack_size);

16
py/scope.h
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@ -17,20 +17,6 @@ typedef struct _id_info_t {
int local_num;
} id_info_t;
// taken from python source, Include/code.h
#define SCOPE_FLAG_OPTIMISED 0x0001
#define SCOPE_FLAG_NEWLOCALS 0x0002
#define SCOPE_FLAG_VARARGS 0x0004
#define SCOPE_FLAG_VARKEYWORDS 0x0008
#define SCOPE_FLAG_NESTED 0x0010
#define SCOPE_FLAG_GENERATOR 0x0020
/* The SCOPE_FLAG_NOFREE flag is set if there are no free or cell variables.
This information is redundant, but it allows a single flag test
to determine whether there is any extra work to be done when the
call frame is setup.
*/
#define SCOPE_FLAG_NOFREE 0x0040
// scope is a "block" in Python parlance
typedef enum { SCOPE_MODULE, SCOPE_FUNCTION, SCOPE_LAMBDA, SCOPE_LIST_COMP, SCOPE_DICT_COMP, SCOPE_SET_COMP, SCOPE_GEN_EXPR, SCOPE_CLASS } scope_kind_t;
typedef struct _scope_t {
@ -43,7 +29,7 @@ typedef struct _scope_t {
int id_info_alloc;
int id_info_len;
id_info_t *id_info;
int flags;
uint scope_flags; // see runtime0.h
int num_params;
/* not needed
int num_default_params;