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/**********************************************************************
iseq.h -
$Author$
created at: 04/01/01 23:36:57 JST
Copyright (C) 2004-2008 Koichi Sasada
**********************************************************************/
#ifndef RUBY_COMPILE_H
#define RUBY_COMPILE_H
RUBY_SYMBOL_EXPORT_BEGIN
/* compile.c */
VALUE rb_iseq_compile_node(VALUE self, NODE *node);
int rb_iseq_translate_threaded_code(rb_iseq_t *iseq);
VALUE rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE locals, VALUE args,
VALUE exception, VALUE body);
/* iseq.c */
void rb_iseq_add_mark_object(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_iseq_line_trace_each(VALUE iseqval, int (*func)(int line, rb_event_flag_t *events_ptr, void *d), void *data);
VALUE rb_iseq_line_trace_all(VALUE iseqval);
VALUE rb_iseq_line_trace_specify(VALUE iseqval, VALUE pos, VALUE set);
/* proc.c */
rb_iseq_t *rb_method_get_iseq(VALUE body);
rb_iseq_t *rb_proc_get_iseq(VALUE proc, int *is_proc);
struct rb_compile_option_struct {
int inline_const_cache;
int peephole_optimization;
int tailcall_optimization;
int specialized_instruction;
int operands_unification;
int instructions_unification;
int stack_caching;
int trace_instruction;
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;
VALUE iseq;
unsigned int start;
unsigned int end;
unsigned int cont;
unsigned int sp;
};
PACKED_STRUCT_UNALIGNED(struct iseq_catch_table {
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;
VALUE 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;
const rb_compile_option_t *option;
#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);
#define DEFAULT_SPECIAL_VAR_COUNT 2
RUBY_SYMBOL_EXPORT_END
#endif /* RUBY_COMPILE_H */
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