зеркало из https://github.com/github/ruby.git
[Bug #20280] Raise SyntaxError on invalid encoding symbol
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a52fc5df7a
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fcc55dc226
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@ -46,6 +46,7 @@ int rb_enc_str_coderange_scan(VALUE str, rb_encoding *enc);
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int rb_ascii8bit_appendable_encoding_index(rb_encoding *enc, unsigned int code);
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VALUE rb_str_include(VALUE str, VALUE arg);
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VALUE rb_str_byte_substr(VALUE str, VALUE beg, VALUE len);
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VALUE rb_str_valid_encoding_p(VALUE str);
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static inline bool STR_EMBED_P(VALUE str);
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static inline bool STR_SHARED_P(VALUE str);
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51
parse.y
51
parse.y
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@ -13727,6 +13727,17 @@ new_defined(struct parser_params *p, NODE *expr, const YYLTYPE *loc)
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return NEW_DEFINED(n, loc);
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}
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static NODE*
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str_to_sym_node(struct parser_params *p, NODE *node, const YYLTYPE *loc)
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{
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VALUE lit = rb_node_str_string_val(node);
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if (!rb_str_valid_encoding_p(lit)) {
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yyerror1(loc, "invalid symbol");
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lit = STR_NEW0();
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}
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return NEW_SYM(lit, loc);
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}
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static NODE*
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symbol_append(struct parser_params *p, NODE *symbols, NODE *symbol)
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{
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@ -13736,7 +13747,7 @@ symbol_append(struct parser_params *p, NODE *symbols, NODE *symbol)
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nd_set_type(symbol, NODE_DSYM);
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break;
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case NODE_STR:
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symbol = NEW_SYM(rb_node_str_string_val(symbol), &RNODE(symbol)->nd_loc);
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symbol = str_to_sym_node(p, symbol, &RNODE(symbol)->nd_loc);
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break;
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default:
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compile_error(p, "unexpected node as symbol: %s", parser_node_name(type));
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@ -15465,8 +15476,6 @@ new_hash_pattern_tail(struct parser_params *p, NODE *kw_args, ID kw_rest_arg, co
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static NODE*
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dsym_node(struct parser_params *p, NODE *node, const YYLTYPE *loc)
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{
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VALUE lit;
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if (!node) {
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return NEW_SYM(STR_NEW0(), loc);
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}
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@ -15477,8 +15486,7 @@ dsym_node(struct parser_params *p, NODE *node, const YYLTYPE *loc)
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nd_set_loc(node, loc);
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break;
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case NODE_STR:
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lit = rb_node_str_string_val(node);
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node = NEW_SYM(lit, loc);
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node = str_to_sym_node(p, node, loc);
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break;
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default:
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node = NEW_DSYM(0, 1, NEW_LIST(node, loc), loc);
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@ -15559,23 +15567,6 @@ nd_value(struct parser_params *p, NODE *node)
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}
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}
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static void
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warn_duplicate_keys_check_key(struct parser_params *p, st_data_t key, st_table *literal_keys)
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{
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if (OBJ_BUILTIN_TYPE(key) == T_NODE && nd_type(key) == NODE_SYM) {
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rb_parser_string_t *parser_str = RNODE_SYM(key)->string;
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struct RString fake_str;
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VALUE str = rb_setup_fake_str(&fake_str, parser_str->ptr, parser_str->len, parser_str->enc);
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if (rb_enc_asciicompat(parser_str->enc) && rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN) {
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st_free_table(literal_keys);
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/* Since we have a ASCII compatible encoding and the coderange is
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* broken, sym_check_asciionly should raise an EncodingError. */
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rb_check_id_cstr(parser_str->ptr, parser_str->len, parser_str->enc);
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rb_bug("unreachable");
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}
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}
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}
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static void
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warn_duplicate_keys(struct parser_params *p, NODE *hash)
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{
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@ -15594,18 +15585,12 @@ warn_duplicate_keys(struct parser_params *p, NODE *hash)
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if (!head) {
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key = (st_data_t)value;
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}
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else if (nd_type_st_key_enable_p(head)) {
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warn_duplicate_keys_check_key(p, (st_data_t)head, literal_keys);
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key = (st_data_t)nd_st_key(p, head);
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if (st_delete(literal_keys, &key, &data)) {
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rb_compile_warn(p->ruby_sourcefile, nd_line((NODE *)data),
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"key %+"PRIsVALUE" is duplicated and overwritten on line %d",
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nd_value(p, head), nd_line(head));
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}
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else if (nd_type_st_key_enable_p(head) &&
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st_delete(literal_keys, (key = (st_data_t)nd_st_key(p, head), &key), &data)) {
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rb_compile_warn(p->ruby_sourcefile, nd_line((NODE *)data),
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"key %+"PRIsVALUE" is duplicated and overwritten on line %d",
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nd_value(p, head), nd_line(head));
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}
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warn_duplicate_keys_check_key(p, key, literal_keys);
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st_insert(literal_keys, (st_data_t)key, (st_data_t)hash);
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hash = next;
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}
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@ -292,18 +292,6 @@ enc_symname_type(const char *name, long len, void *enc, unsigned int allowed_att
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return rb_enc_symname_type(name, len, (rb_encoding *)enc, allowed_attrset);
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}
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static ID
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check_id_cstr(const char *ptr, long len, void *enc)
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{
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return rb_check_id_cstr(ptr, len, (rb_encoding *)enc);
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}
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static VALUE
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setup_fake_str(struct RString *fake_str, const char *name, long len, void *enc)
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{
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return rb_setup_fake_str(fake_str, name, len, (rb_encoding *)enc);
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}
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typedef struct {
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struct parser_params *parser;
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rb_encoding *enc;
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@ -563,7 +551,7 @@ static const rb_parser_config_t rb_global_parser_config = {
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.id2str = rb_id2str,
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.id2sym = rb_id2sym,
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.sym2id = rb_sym2id,
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.check_id_cstr = check_id_cstr,
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.str_valid_encoding_p = rb_str_valid_encoding_p,
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.str_catf = rb_str_catf,
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.str_cat_cstr = rb_str_cat_cstr,
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@ -578,12 +566,10 @@ static const rb_parser_config_t rb_global_parser_config = {
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.str_resize = rb_str_resize,
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.str_new = rb_str_new,
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.str_new_cstr = rb_str_new_cstr,
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.setup_fake_str = setup_fake_str,
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.fstring = rb_fstring,
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.is_ascii_string = is_ascii_string2,
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.enc_str_new = enc_str_new,
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.enc_str_buf_cat = enc_str_buf_cat,
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.enc_str_coderange = rb_enc_str_coderange,
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.str_buf_append = rb_str_buf_append,
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.str_vcatf = rb_str_vcatf,
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.string_value_cstr = rb_string_value_cstr,
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@ -643,7 +629,6 @@ static const rb_parser_config_t rb_global_parser_config = {
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.encoding_set = encoding_set,
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.encoding_is_ascii8bit = encoding_is_ascii8bit,
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.usascii_encoding = usascii_encoding,
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.enc_coderange_broken = ENC_CODERANGE_BROKEN,
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.ractor_make_shareable = rb_ractor_make_shareable,
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@ -1277,7 +1277,7 @@ typedef struct rb_parser_config_struct {
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VALUE (*id2str)(ID id);
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VALUE (*id2sym)(ID x);
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ID (*sym2id)(VALUE sym);
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ID (*check_id_cstr)(const char *ptr, long len, rb_encoding *enc);
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VALUE (*str_valid_encoding_p)(VALUE str);
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/* String */
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RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 3)
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@ -1294,12 +1294,10 @@ typedef struct rb_parser_config_struct {
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VALUE (*str_resize)(VALUE str, long len);
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VALUE (*str_new)(const char *ptr, long len);
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VALUE (*str_new_cstr)(const char *ptr);
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VALUE (*setup_fake_str)(struct RString *fake_str, const char *name, long len, rb_encoding *enc);
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VALUE (*fstring)(VALUE);
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int (*is_ascii_string)(VALUE str);
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VALUE (*enc_str_new)(const char *ptr, long len, rb_encoding *enc);
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VALUE (*enc_str_buf_cat)(VALUE str, const char *ptr, long len, rb_encoding *enc);
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int (*enc_str_coderange)(VALUE str);
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VALUE (*str_buf_append)(VALUE str, VALUE str2);
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RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0)
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VALUE (*str_vcatf)(VALUE str, const char *fmt, va_list ap);
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@ -1364,7 +1362,6 @@ typedef struct rb_parser_config_struct {
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void (*encoding_set)(VALUE obj, int encindex);
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int (*encoding_is_ascii8bit)(VALUE obj);
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rb_encoding *(*usascii_encoding)(void);
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int enc_coderange_broken;
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/* Ractor */
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VALUE (*ractor_make_shareable)(VALUE obj);
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2
string.c
2
string.c
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@ -11030,7 +11030,7 @@ rb_str_b(VALUE str)
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* "\x80".force_encoding("UTF-8").valid_encoding? # => false
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*/
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static VALUE
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VALUE
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rb_str_valid_encoding_p(VALUE str)
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{
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int cr = rb_enc_str_coderange(str);
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@ -1365,13 +1365,17 @@ eom
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assert_valid_syntax 'p :foo, {proc do end => proc do end, b: proc do end}', bug13073
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end
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def test_invalid_encoding_symbol
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assert_syntax_error('{"\xC3": 1}', "invalid symbol")
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end
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def test_invalid_symbol_in_hash_memory_leak
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assert_no_memory_leak([], "#{<<-'begin;'}", "#{<<-'end;'}", rss: true)
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str = '{"\xC3": 1}'.force_encoding("UTF-8")
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code = proc do
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eval(str)
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raise "unreachable"
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rescue EncodingError
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rescue SyntaxError
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end
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1_000.times(&code)
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@ -173,7 +173,7 @@ struct rb_imemo_tmpbuf_struct {
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#define ID2SYM p->config->id2sym
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#undef SYM2ID
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#define SYM2ID p->config->sym2id
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#define rb_check_id_cstr p->config->check_id_cstr
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#define rb_str_valid_encoding_p p->config->str_valid_encoding_p
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#define rb_str_catf p->config->str_catf
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#undef rb_str_cat_cstr
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@ -192,12 +192,10 @@ struct rb_imemo_tmpbuf_struct {
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#define rb_str_new p->config->str_new
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#undef rb_str_new_cstr
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#define rb_str_new_cstr p->config->str_new_cstr
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#define rb_setup_fake_str p->config->setup_fake_str
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#define rb_fstring p->config->fstring
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#define is_ascii_string p->config->is_ascii_string
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#define rb_enc_str_new p->config->enc_str_new
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#define rb_enc_str_buf_cat p->config->enc_str_buf_cat
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#define rb_enc_str_coderange p->config->enc_str_coderange
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#define rb_str_buf_append p->config->str_buf_append
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#define rb_str_vcatf p->config->str_vcatf
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#undef StringValueCStr
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@ -262,7 +260,6 @@ struct rb_imemo_tmpbuf_struct {
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#define ENCODING_SET p->config->encoding_set
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#define ENCODING_IS_ASCII8BIT p->config->encoding_is_ascii8bit
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#define rb_usascii_encoding p->config->usascii_encoding
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#define ENC_CODERANGE_BROKEN p->config->enc_coderange_broken
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#define rb_ractor_make_shareable p->config->ractor_make_shareable
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