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ruby--ruby/iseq.h
ko1 478003f6df rename absolute_path to realpath internally and introduce pathobj. 
* vm_core.h: rename absolute_path to realpath because it is expected name.
  external APIs (#absolute_path methods) are remained.

* vm_core.h: remove rb_iseq_location_struct::path and
  rb_iseq_location_struct::absolute_path and introduce pathobj.
  if given path equals to given absolute_path (and most of case
  it is true), pathobj is simply given path String. If it is not same,
  pathobj is Array and pathobj[0] is path and pathobj[1] is realpath.

  This size optimization reduce 8 bytes and
  sizeof(struct rb_iseq_constant_body) is 200 bytes -> 192 bytes
  on 64bit CPU.

  To support this change, the following functions are introduced:
    * pathobj_path() (defined in vm_core.h)
    * pathobj_realpath() (ditto)
    * rb_iseq_path() (decl. in vm_core.h)
    * rb_iseq_realpath() (ditto)
    * rb_iseq_pathobj_new() (ditto)
    * rb_iseq_pathobj_set() (ditto)

* vm_core.h (rb_binding_t): use pathobj instead of path. If binding
  is given at eval methods, realpath (absolute_path) was caller's
  realpath. However, they should use binding's realpath.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-06-01 00:05:33 +00:00

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/**********************************************************************
iseq.h -
$Author$
created at: 04/01/01 23:36:57 JST
Copyright (C) 2004-2008 Koichi Sasada
**********************************************************************/
#ifndef RUBY_ISEQ_H
#define RUBY_ISEQ_H 1
#define ISEQ_MAJOR_VERSION 2
#define ISEQ_MINOR_VERSION 3
#ifndef rb_iseq_t
typedef struct rb_iseq_struct rb_iseq_t;
#define rb_iseq_t rb_iseq_t
#endif
static inline size_t
rb_call_info_kw_arg_bytes(int keyword_len)
{
return sizeof(struct rb_call_info_kw_arg) + sizeof(VALUE) * (keyword_len - 1);
}
enum iseq_mark_ary_index {
ISEQ_MARK_ARY_COVERAGE,
ISEQ_MARK_ARY_FLIP_CNT,
ISEQ_MARK_ARY_ORIGINAL_ISEQ,
ISEQ_MARK_ARY_INITIAL_SIZE
};
static inline VALUE
iseq_mark_ary_create(int flip_cnt)
{
VALUE ary = rb_ary_tmp_new(ISEQ_MARK_ARY_INITIAL_SIZE);
rb_ary_push(ary, Qnil); /* ISEQ_MARK_ARY_COVERAGE */
rb_ary_push(ary, INT2FIX(flip_cnt)); /* ISEQ_MARK_ARY_FLIP_CNT */
rb_ary_push(ary, Qnil); /* ISEQ_MARK_ARY_ORIGINAL_ISEQ */
return ary;
}
#define ISEQ_MARK_ARY(iseq) (iseq)->body->mark_ary
#define ISEQ_COVERAGE(iseq) RARRAY_AREF(ISEQ_MARK_ARY(iseq), ISEQ_MARK_ARY_COVERAGE)
#define ISEQ_COVERAGE_SET(iseq, cov) RARRAY_ASET(ISEQ_MARK_ARY(iseq), ISEQ_MARK_ARY_COVERAGE, cov)
#define ISEQ_FLIP_CNT(iseq) FIX2INT(RARRAY_AREF(ISEQ_MARK_ARY(iseq), ISEQ_MARK_ARY_FLIP_CNT))
static inline int
ISEQ_FLIP_CNT_INCREMENT(const rb_iseq_t *iseq)
{
int cnt = ISEQ_FLIP_CNT(iseq);
RARRAY_ASET(ISEQ_MARK_ARY(iseq), ISEQ_MARK_ARY_FLIP_CNT, INT2FIX(cnt+1));
return cnt;
}
static inline VALUE *
ISEQ_ORIGINAL_ISEQ(const rb_iseq_t *iseq)
{
VALUE str = RARRAY_AREF(ISEQ_MARK_ARY(iseq), ISEQ_MARK_ARY_ORIGINAL_ISEQ);
if (RTEST(str)) return (VALUE *)RSTRING_PTR(str);
return NULL;
}
static inline VALUE *
ISEQ_ORIGINAL_ISEQ_ALLOC(const rb_iseq_t *iseq, long size)
{
VALUE str = rb_str_tmp_new(size * sizeof(VALUE));
RARRAY_ASET(ISEQ_MARK_ARY(iseq), ISEQ_MARK_ARY_ORIGINAL_ISEQ, str);
return (VALUE *)RSTRING_PTR(str);
}
#define ISEQ_COMPILE_DATA(iseq) (iseq)->aux.compile_data
static inline rb_iseq_t *
iseq_imemo_alloc(void)
{
return (rb_iseq_t *)rb_imemo_new(imemo_iseq, 0, 0, 0, 0);
}
#define ISEQ_NOT_LOADED_YET IMEMO_FL_USER1
VALUE iseq_ibf_dump(const rb_iseq_t *iseq, VALUE opt);
void ibf_load_iseq_complete(rb_iseq_t *iseq);
const rb_iseq_t *iseq_ibf_load(VALUE str);
VALUE iseq_ibf_load_extra_data(VALUE str);
RUBY_SYMBOL_EXPORT_BEGIN
/* compile.c */
VALUE rb_iseq_compile_node(rb_iseq_t *iseq, NODE *node);
int rb_iseq_translate_threaded_code(rb_iseq_t *iseq);
VALUE *rb_iseq_original_iseq(const rb_iseq_t *iseq);
void rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE misc,
VALUE locals, VALUE args,
VALUE exception, VALUE body);
/* iseq.c */
void rb_iseq_add_mark_object(const rb_iseq_t *iseq, VALUE obj);
VALUE rb_iseq_load(VALUE data, VALUE parent, VALUE opt);
VALUE rb_iseq_parameters(const rb_iseq_t *iseq, int is_proc);
struct st_table *ruby_insn_make_insn_table(void);
unsigned int rb_iseq_line_no(const rb_iseq_t *iseq, size_t pos);
int rb_iseqw_line_trace_each(VALUE iseqval, int (*func)(int line, rb_event_flag_t *events_ptr, void *d), void *data);
VALUE rb_iseqw_line_trace_all(VALUE iseqval);
VALUE rb_iseqw_line_trace_specify(VALUE iseqval, VALUE pos, VALUE set);
VALUE rb_iseqw_new(const rb_iseq_t *iseq);
const rb_iseq_t *rb_iseqw_to_iseq(VALUE iseqw);
VALUE rb_iseq_absolute_path(const rb_iseq_t *iseq); /* obsolete */
VALUE rb_iseq_label(const rb_iseq_t *iseq);
VALUE rb_iseq_base_label(const rb_iseq_t *iseq);
VALUE rb_iseq_first_lineno(const rb_iseq_t *iseq);
VALUE rb_iseq_method_name(const rb_iseq_t *iseq);
/* proc.c */
const rb_iseq_t *rb_method_iseq(VALUE body);
const rb_iseq_t *rb_proc_get_iseq(VALUE proc, int *is_proc);
struct rb_compile_option_struct {
unsigned int inline_const_cache: 1;
unsigned int peephole_optimization: 1;
unsigned int tailcall_optimization: 1;
unsigned int specialized_instruction: 1;
unsigned int operands_unification: 1;
unsigned int instructions_unification: 1;
unsigned int stack_caching: 1;
unsigned int trace_instruction: 1;
unsigned int frozen_string_literal: 1;
unsigned int debug_frozen_string_literal: 1;
unsigned int coverage_enabled: 1;
int debug_level;
};
struct iseq_line_info_entry {
unsigned int position;
unsigned int line_no;
};
struct iseq_catch_table_entry {
enum catch_type {
CATCH_TYPE_RESCUE = INT2FIX(1),
CATCH_TYPE_ENSURE = INT2FIX(2),
CATCH_TYPE_RETRY = INT2FIX(3),
CATCH_TYPE_BREAK = INT2FIX(4),
CATCH_TYPE_REDO = INT2FIX(5),
CATCH_TYPE_NEXT = INT2FIX(6)
} type;
const rb_iseq_t *iseq;
unsigned int start;
unsigned int end;
unsigned int cont;
unsigned int sp;
};
PACKED_STRUCT_UNALIGNED(struct iseq_catch_table {
unsigned int size;
struct iseq_catch_table_entry entries[1]; /* flexible array */
});
static inline int
iseq_catch_table_bytes(int n)
{
enum {
catch_table_entries_max = (INT_MAX - sizeof(struct iseq_catch_table)) / sizeof(struct iseq_catch_table_entry)
};
if (n > catch_table_entries_max) rb_fatal("too large iseq_catch_table - %d", n);
return (int)(sizeof(struct iseq_catch_table) +
(n - 1) * sizeof(struct iseq_catch_table_entry));
}
#define INITIAL_ISEQ_COMPILE_DATA_STORAGE_BUFF_SIZE (512)
struct iseq_compile_data_storage {
struct iseq_compile_data_storage *next;
unsigned int pos;
unsigned int size;
char buff[1]; /* flexible array */
};
/* account for flexible array */
#define SIZEOF_ISEQ_COMPILE_DATA_STORAGE \
(sizeof(struct iseq_compile_data_storage) - 1)
struct iseq_compile_data {
/* GC is needed */
const VALUE err_info;
VALUE mark_ary;
const VALUE catch_table_ary; /* Array */
/* GC is not needed */
struct iseq_label_data *start_label;
struct iseq_label_data *end_label;
struct iseq_label_data *redo_label;
const rb_iseq_t *current_block;
VALUE ensure_node;
VALUE for_iseq;
struct iseq_compile_data_ensure_node_stack *ensure_node_stack;
int loopval_popped; /* used by NODE_BREAK */
int cached_const;
struct iseq_compile_data_storage *storage_head;
struct iseq_compile_data_storage *storage_current;
int last_line;
int last_coverable_line;
int label_no;
int node_level;
unsigned int ci_index;
unsigned int ci_kw_index;
const rb_compile_option_t *option;
struct rb_id_table *ivar_cache_table;
#if SUPPORT_JOKE
st_table *labels_table;
#endif
};
/* defined? */
enum defined_type {
DEFINED_NIL = 1,
DEFINED_IVAR,
DEFINED_LVAR,
DEFINED_GVAR,
DEFINED_CVAR,
DEFINED_CONST,
DEFINED_METHOD,
DEFINED_YIELD,
DEFINED_ZSUPER,
DEFINED_SELF,
DEFINED_TRUE,
DEFINED_FALSE,
DEFINED_ASGN,
DEFINED_EXPR,
DEFINED_IVAR2,
DEFINED_REF,
DEFINED_FUNC
};
VALUE rb_iseq_defined_string(enum defined_type type);
void rb_iseq_make_compile_option(struct rb_compile_option_struct *option, VALUE opt);
/* vm.c */
VALUE rb_iseq_local_variables(const rb_iseq_t *iseq);
RUBY_SYMBOL_EXPORT_END
#endif /* RUBY_ISEQ_H */
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