56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
enum {
|
|
ID_INFO_KIND_GLOBAL_IMPLICIT,
|
|
ID_INFO_KIND_GLOBAL_EXPLICIT,
|
|
ID_INFO_KIND_LOCAL, // in a function f, written and only referenced by f
|
|
ID_INFO_KIND_CELL, // in a function f, read/written by children of f
|
|
ID_INFO_KIND_FREE, // in a function f, belongs to the parent of f
|
|
};
|
|
|
|
enum {
|
|
ID_FLAG_IS_PARAM = 0x01,
|
|
ID_FLAG_IS_STAR_PARAM = 0x02,
|
|
ID_FLAG_IS_DBL_STAR_PARAM = 0x04,
|
|
};
|
|
|
|
typedef struct _id_info_t {
|
|
uint8_t kind;
|
|
uint8_t flags;
|
|
// when it's an ID_INFO_KIND_LOCAL this is the unique number of the local
|
|
// whet it's an ID_INFO_KIND_CELL/FREE this is the unique number of the closed over variable
|
|
uint16_t local_num;
|
|
qstr qstr;
|
|
} id_info_t;
|
|
|
|
// 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 {
|
|
scope_kind_t kind;
|
|
struct _scope_t *parent;
|
|
struct _scope_t *next;
|
|
mp_parse_node_t pn;
|
|
qstr source_file;
|
|
qstr simple_name;
|
|
mp_raw_code_t *raw_code;
|
|
uint8_t scope_flags; // see runtime0.h
|
|
uint8_t emit_options; // see compile.h
|
|
uint16_t num_pos_args;
|
|
uint16_t num_kwonly_args;
|
|
uint16_t num_locals;
|
|
uint16_t stack_size; // maximum size of the locals stack
|
|
uint16_t exc_stack_size; // maximum size of the exception stack
|
|
uint16_t id_info_alloc;
|
|
uint16_t id_info_len;
|
|
id_info_t *id_info;
|
|
} scope_t;
|
|
|
|
scope_t *scope_new(scope_kind_t kind, mp_parse_node_t pn, qstr source_file, uint emit_options);
|
|
void scope_free(scope_t *scope);
|
|
id_info_t *scope_find_or_add_id(scope_t *scope, qstr qstr, bool *added);
|
|
id_info_t *scope_find(scope_t *scope, qstr qstr);
|
|
id_info_t *scope_find_global(scope_t *scope, qstr qstr);
|
|
id_info_t *scope_find_local_in_parent(scope_t *scope, qstr qstr);
|
|
void scope_close_over_in_parents(scope_t *scope, qstr qstr);
|
|
void scope_declare_global(scope_t *scope, qstr qstr);
|
|
void scope_declare_nonlocal(scope_t *scope, qstr qstr);
|
|
void scope_print_info(scope_t *s);
|