Ruby  2.1.3p242(2014-09-19revision47630)
iseq.h
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1 /**********************************************************************
2 
3  iseq.h -
4 
5  $Author: ko1 $
6  created at: 04/01/01 23:36:57 JST
7 
8  Copyright (C) 2004-2008 Koichi Sasada
9 
10 **********************************************************************/
11 
12 #ifndef RUBY_COMPILE_H
13 #define RUBY_COMPILE_H
14 
15 RUBY_SYMBOL_EXPORT_BEGIN
16 
17 /* compile.c */
18 VALUE rb_iseq_compile_node(VALUE self, NODE *node);
19 int rb_iseq_translate_threaded_code(rb_iseq_t *iseq);
20 VALUE rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE locals, VALUE args,
21  VALUE exception, VALUE body);
22 
23 /* iseq.c */
24 void rb_iseq_add_mark_object(rb_iseq_t *iseq, VALUE obj);
25 VALUE rb_iseq_load(VALUE data, VALUE parent, VALUE opt);
26 VALUE rb_iseq_parameters(const rb_iseq_t *iseq, int is_proc);
27 struct st_table *ruby_insn_make_insn_table(void);
28 unsigned int rb_iseq_line_no(const rb_iseq_t *iseq, size_t pos);
29 
30 int rb_iseq_line_trace_each(VALUE iseqval, int (*func)(int line, rb_event_flag_t *events_ptr, void *d), void *data);
31 VALUE rb_iseq_line_trace_all(VALUE iseqval);
32 VALUE rb_iseq_line_trace_specify(VALUE iseqval, VALUE pos, VALUE set);
33 
34 /* proc.c */
35 rb_iseq_t *rb_method_get_iseq(VALUE body);
36 rb_iseq_t *rb_proc_get_iseq(VALUE proc, int *is_proc);
37 
38 struct rb_compile_option_struct {
39  int inline_const_cache;
40  int peephole_optimization;
41  int tailcall_optimization;
42  int specialized_instruction;
43  int operands_unification;
44  int instructions_unification;
45  int stack_caching;
46  int trace_instruction;
47  int debug_level;
48 };
49 
50 struct iseq_line_info_entry {
51  unsigned int position;
52  unsigned int line_no;
53 };
54 
55 struct iseq_catch_table_entry {
56  enum catch_type {
57  CATCH_TYPE_RESCUE = INT2FIX(1),
58  CATCH_TYPE_ENSURE = INT2FIX(2),
59  CATCH_TYPE_RETRY = INT2FIX(3),
60  CATCH_TYPE_BREAK = INT2FIX(4),
61  CATCH_TYPE_REDO = INT2FIX(5),
62  CATCH_TYPE_NEXT = INT2FIX(6)
63  } type;
64  VALUE iseq;
65  unsigned long start;
66  unsigned long end;
67  unsigned long cont;
68  unsigned long sp;
69 };
70 
71 #define INITIAL_ISEQ_COMPILE_DATA_STORAGE_BUFF_SIZE (512)
72 
73 struct iseq_compile_data_storage {
74  struct iseq_compile_data_storage *next;
75  unsigned long pos;
76  unsigned long size;
77  char *buff;
78 };
79 
80 struct iseq_compile_data {
81  /* GC is needed */
82  const VALUE err_info;
83  VALUE mark_ary;
84  const VALUE catch_table_ary; /* Array */
85 
86  /* GC is not needed */
87  struct iseq_label_data *start_label;
88  struct iseq_label_data *end_label;
89  struct iseq_label_data *redo_label;
90  VALUE current_block;
91  VALUE ensure_node;
92  VALUE for_iseq;
93  struct iseq_compile_data_ensure_node_stack *ensure_node_stack;
94  int loopval_popped; /* used by NODE_BREAK */
95  int cached_const;
96  struct iseq_compile_data_storage *storage_head;
97  struct iseq_compile_data_storage *storage_current;
98  int last_line;
99  int last_coverable_line;
100  int label_no;
101  int node_level;
102  const rb_compile_option_t *option;
103 #if SUPPORT_JOKE
104  st_table *labels_table;
105 #endif
106 };
107 
108 /* defined? */
109 
110 enum defined_type {
111  DEFINED_NIL = 1,
112  DEFINED_IVAR,
113  DEFINED_LVAR,
114  DEFINED_GVAR,
115  DEFINED_CVAR,
116  DEFINED_CONST,
117  DEFINED_METHOD,
118  DEFINED_YIELD,
119  DEFINED_ZSUPER,
120  DEFINED_SELF,
121  DEFINED_TRUE,
122  DEFINED_FALSE,
123  DEFINED_ASGN,
124  DEFINED_EXPR,
125  DEFINED_IVAR2,
126  DEFINED_REF,
127  DEFINED_FUNC
128 };
129 
130 VALUE rb_iseq_defined_string(enum defined_type type);
131 
132 #define DEFAULT_SPECIAL_VAR_COUNT 2
133 
134 RUBY_SYMBOL_EXPORT_END
135 
136 #endif /* RUBY_COMPILE_H */
137 
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