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Make parser_params have parent_iseq instead of base_block

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The parser needs to determine whether a local varaiable is defined or
not in outer scope.  For the sake, "base_block" field has kept the outer
block.

However, the whole block was actually unneeded; the parser used only
base_block->iseq.

So, this change lets parser_params have the iseq directly, instead of
the whole block.
This commit is contained in:
Yusuke Endoh 2019-10-04 01:48:31 +09:00
parent 711c40ebdc
commit b43afa0a8f
Notes: git 2019-10-04 02:31:06 +09:00
5 changed files with 16 additions and 19 deletions
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12
compile.c
View file

@ -9123,11 +9123,9 @@ rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE misc, VALUE locals, VALUE params,
/* for parser */
int
rb_dvar_defined(ID id, const struct rb_block *base_block)
rb_dvar_defined(ID id, const rb_iseq_t *iseq)
{
const rb_iseq_t *iseq;
if (base_block && (iseq = vm_block_iseq(base_block)) != NULL) {
if (iseq) {
const struct rb_iseq_constant_body *body = iseq->body;
while (body->type == ISEQ_TYPE_BLOCK ||
body->type == ISEQ_TYPE_RESCUE ||
@ -9150,11 +9148,9 @@ rb_dvar_defined(ID id, const struct rb_block *base_block)
}
int
rb_local_defined(ID id, const struct rb_block *base_block)
rb_local_defined(ID id, const rb_iseq_t *iseq)
{
const rb_iseq_t *iseq;
if (base_block && (iseq = vm_block_iseq(base_block)) != NULL) {
if (iseq) {
unsigned int i;
const struct rb_iseq_constant_body *const body = iseq->body->local_iseq->body;

7
internal.h
View file

@ -1457,8 +1457,9 @@ VALUE rb_invcmp(VALUE, VALUE);
/* compile.c */
struct rb_block;
int rb_dvar_defined(ID, const struct rb_block *);
int rb_local_defined(ID, const struct rb_block *);
struct rb_iseq_struct;
int rb_dvar_defined(ID, const struct rb_iseq_struct *);
int rb_local_defined(ID, const struct rb_iseq_struct *);
const char * rb_insns_name(int i);
VALUE rb_insns_name_array(void);
int rb_vm_insn_addr2insn(const void *);
@ -1954,7 +1955,7 @@ struct RBasicRaw {
VALUE rb_parser_get_yydebug(VALUE);
VALUE rb_parser_set_yydebug(VALUE, VALUE);
RUBY_SYMBOL_EXPORT_BEGIN
VALUE rb_parser_set_context(VALUE, const struct rb_block *, int);
VALUE rb_parser_set_context(VALUE, const struct rb_iseq_struct *, int);
RUBY_SYMBOL_EXPORT_END
void *rb_parser_load_file(VALUE parser, VALUE name);
int rb_is_const_name(VALUE name);

2
iseq.c
View file

@ -994,7 +994,7 @@ rb_iseq_compile_with_option(VALUE src, VALUE file, VALUE realpath, VALUE line, c
}
{
const VALUE parser = rb_parser_new();
rb_parser_set_context(parser, base_block, FALSE);
rb_parser_set_context(parser, parent, FALSE);
ast = (*parse)(parser, file, src, ln);
}

12
parse.y
View file

@ -294,7 +294,7 @@ struct parser_params {
NODE *eval_tree;
VALUE error_buffer;
VALUE debug_lines;
const struct rb_block *base_block;
const rb_iseq_t *parent_iseq;
struct {
NODE *outer, *inner, *current;
@ -329,7 +329,7 @@ static int parser_yyerror(struct parser_params*, const YYLTYPE *yylloc, const ch
#ifdef RIPPER
#define compile_for_eval (0)
#else
#define compile_for_eval (p->base_block != 0)
#define compile_for_eval (p->parent_iseq != 0)
#endif
#define token_column ((int)(p->lex.ptok - p->lex.pbeg))
@ -11777,7 +11777,7 @@ local_id_ref(struct parser_params *p, ID id, ID **vidrefp)
}
if (vars && vars->prev == DVARS_INHERIT) {
return rb_local_defined(id, p->base_block);
return rb_local_defined(id, p->parent_iseq);
}
else if (vtable_included(args, id)) {
return 1;
@ -11920,7 +11920,7 @@ dvar_defined_ref(struct parser_params *p, ID id, ID **vidrefp)
}
if (vars == DVARS_INHERIT) {
return rb_dvar_defined(id, p->base_block);
return rb_dvar_defined(id, p->parent_iseq);
}
return 0;
@ -12301,13 +12301,13 @@ rb_parser_new(void)
}
VALUE
rb_parser_set_context(VALUE vparser, const struct rb_block *base, int main)
rb_parser_set_context(VALUE vparser, const rb_iseq_t *base, int main)
{
struct parser_params *p;
TypedData_Get_Struct(vparser, struct parser_params, &parser_data_type, p);
p->error_buffer = main ? Qfalse : Qnil;
p->base_block = base;
p->parent_iseq = base;
return vparser;
}
#endif

2
vm_eval.c
View file

@ -1579,7 +1579,7 @@ eval_make_iseq(VALUE src, VALUE fname, int line, const rb_binding_t *bind,
fname = rb_fstring_lit("(eval)");
}
rb_parser_set_context(parser, base_block, FALSE);
rb_parser_set_context(parser, parent, FALSE);
ast = rb_parser_compile_string_path(parser, fname, src, line);
if (ast->body.root) {
iseq = rb_iseq_new_with_opt(&ast->body,