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* parse.y: patch, based on Nobu's, work to support \u escapes
also modifications for better coderange detection * test/ruby/test_unicode_escapes.rb: test cases * test/ruby/test_mixed_unicode_escapes.rb: mixed encoding test cases git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13836 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
davidflanagan
parent
89397d2f6e
commit
baae1c4075
4 changed files with 605 additions and 84 deletions
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@ -1,3 +1,9 @@
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Thu Nov 8 07:54:22 UTC 2007 David Flanagan <davidflanagan@ruby-lang.org>
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* parse.y: patch, based on Nobu's, work to support \u escapes
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also modifications for better coderange detection
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* test/ruby/test_unicode_escapes.rb: test cases
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* test/ruby/test_mixed_unicode_escapes.rb: mixed encoding test cases
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Thu Nov 8 07:14:37 UTC 2007 David Flanagan <davidflanagan@ruby-lang.org>
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* parse.y (rb_intern3): commented out broken code that prevented
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correct interning of multi-byte symbols. Without this patch
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418
parse.y
418
parse.y
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@ -237,6 +237,7 @@ struct parser_params {
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int has_shebang;
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int parser_ruby_sourceline; /* current line no. */
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rb_encoding *enc;
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rb_encoding *utf8;
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#ifndef RIPPER
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/* Ruby core only */
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@ -260,10 +261,12 @@ struct parser_params {
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#endif
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};
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#define UTF8_ENC() (parser->utf8 ? parser->utf8 : \
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(parser->utf8 = rb_enc_find("utf-8")))
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#define STR_NEW(p,n) rb_enc_str_new((p),(n),parser->enc)
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#define STR_NEW0() rb_str_new(0,0)
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#define STR_NEW2(p) rb_enc_str_new((p),strlen(p),parser->enc)
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#define STR_NEW3(p,n,m) parser_str_new((p),(n),STR_ENC(!ENC_SINGLE(m)),(m))
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#define STR_NEW3(p,n,e,has8,hasmb) parser_str_new2((p),(n),(e),(has8),(hasmb))
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#define STR_ENC(m) ((m)?parser->enc:rb_enc_from_index(0))
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#define ENC_SINGLE(cr) ((cr)==ENC_CODERANGE_SINGLE)
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#define TOK_INTERN(mb) rb_intern3(tok(), toklen(), STR_ENC(mb))
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@ -4493,20 +4496,25 @@ none : /* none */
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# define yylval (*((YYSTYPE*)(parser->parser_yylval)))
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static int parser_regx_options(struct parser_params*);
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static int parser_tokadd_string(struct parser_params*,int,int,int,long*,int*);
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static int parser_tokadd_string(struct parser_params*,int,int,int,long*,int*,int*,rb_encoding**);
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static void parser_tokaddmbc(struct parser_params *parser, int c, rb_encoding *enc);
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static int parser_parse_string(struct parser_params*,NODE*);
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static int parser_here_document(struct parser_params*,NODE*);
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# define nextc() parser_nextc(parser)
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# define pushback(c) parser_pushback(parser, c)
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# define newtok() parser_newtok(parser)
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# define tokspace(n) parser_tokspace(parser, n)
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# define tokadd(c) parser_tokadd(parser, c)
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# define read_escape(m) parser_read_escape(parser, m)
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# define tokadd_escape(t,m) parser_tokadd_escape(parser, t, m)
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# define tok_hex(numlen) parser_tok_hex(parser, numlen)
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# define tok_utf8(numlen,e) parser_tok_utf8(parser, numlen, e)
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# define read_escape(flags,has8,hasmb,e) parser_read_escape(parser, flags, has8, hasmb, e)
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# define tokadd_escape(t,has8,hasmb,e) parser_tokadd_escape(parser, t, has8,hasmb, e)
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# define regx_options() parser_regx_options(parser)
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# define tokadd_string(f,t,p,n,m) parser_tokadd_string(parser,f,t,p,n,m)
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# define tokadd_string(f,t,p,n,has8bit,hasmb,e) parser_tokadd_string(parser,f,t,p,n,has8bit,hasmb,e)
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# define parse_string(n) parser_parse_string(parser,n)
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# define tokaddmbc(c, enc) parser_tokaddmbc(parser, c, enc)
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# define here_document(n) parser_here_document(parser,n)
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# define heredoc_identifier() parser_heredoc_identifier(parser)
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# define heredoc_restore(n) parser_heredoc_restore(parser,n)
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@ -4829,6 +4837,15 @@ parser_str_new(const char *p, long n, rb_encoding *enc, int coderange)
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return str;
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}
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static VALUE
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parser_str_new2(const char *p, long n, rb_encoding *enc, int has8bit,int hasmb)
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{
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int coderange = ENC_CODERANGE_SINGLE;
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if (hasmb) coderange = ENC_CODERANGE_MULTI;
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else if (has8bit) coderange = ENC_CODERANGE_UNKNOWN;
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return parser_str_new(p, n, enc, coderange);
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}
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static inline int
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parser_nextc(struct parser_params *parser)
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{
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@ -4943,10 +4960,145 @@ parser_tokadd(struct parser_params *parser, int c)
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}
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static int
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parser_read_escape(struct parser_params *parser, int *mb)
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parser_tok_hex(struct parser_params *parser, int *numlen)
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{
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int c;
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c = scan_hex(lex_p, 2, numlen);
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if (!*numlen) {
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yyerror("invalid hex escape");
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return 0;
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}
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lex_p += *numlen;
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return c;
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}
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#if 0
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static int
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parser_tok_utf8(struct parser_params *parser, int *numlen, rb_encoding **encp)
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{
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int codepoint;
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if (peek('{')) { /* handle \u{...} form */
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nextc();
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codepoint = scan_hex(lex_p, 6, numlen);
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if (*numlen == 0) {
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yyerror("invalid Unicode escape");
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return 0;
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}
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if (codepoint > 0x10ffff) {
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yyerror("illegal Unicode codepoint (too large)");
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return 0;
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}
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lex_p += *numlen;
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if (!peek('}')) {
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yyerror("unterminated Unicode escape");
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return 0;
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}
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nextc();
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}
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else { /* handle \uxxxx form */
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codepoint = scan_hex(lex_p, 4, numlen);
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if (*numlen < 4) {
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yyerror("invalid Unicode escape");
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return 0;
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}
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lex_p += 4;
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}
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if (codepoint >= 0x80) {
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*encp = UTF8_ENC();
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}
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return codepoint;
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}
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#endif
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static int
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parser_tokadd_utf8(struct parser_params *parser, int *hasmb,
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rb_encoding **encp, int string_literal, int symbol_literal)
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{
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/*
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* If string_literal is true, then we allow multiple codepoints
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* in \u{}, and add the codepoints to the current token.
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* Otherwise we're parsing a character literal and return a single
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* codepoint without adding it
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*/
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int codepoint;
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int numlen;
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if (peek('{')) { /* handle \u{...} form */
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do {
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nextc();
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codepoint = scan_hex(lex_p, 6, &numlen);
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if (numlen == 0) {
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yyerror("invalid Unicode escape");
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return 0;
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}
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if (codepoint > 0x10ffff) {
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yyerror("illegal Unicode codepoint (too large)");
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return 0;
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}
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lex_p += numlen;
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if (codepoint >= 0x80) {
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*hasmb = 1;
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*encp = UTF8_ENC();
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if (string_literal) tokaddmbc(codepoint, *encp);
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}
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else if (string_literal) {
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if (codepoint == 0 && symbol_literal) {
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yyerror("symbol cannot contain '\\u{0}'");
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return 0;
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}
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tokadd(codepoint);
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}
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} while(string_literal && (peek(' ') || peek('\t')));
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if (!peek('}')) {
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yyerror("unterminated Unicode escape");
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return 0;
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}
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nextc();
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}
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else { /* handle \uxxxx form */
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codepoint = scan_hex(lex_p, 4, &numlen);
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if (numlen < 4) {
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yyerror("invalid Unicode escape");
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return 0;
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}
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lex_p += 4;
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if (codepoint >= 0x80) {
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*hasmb = 1;
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*encp = UTF8_ENC();
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if (string_literal) tokaddmbc(codepoint, *encp);
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}
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else if (string_literal) {
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if (codepoint == 0 && symbol_literal) {
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yyerror("symbol cannot contain '\\u0000'");
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return 0;
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}
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tokadd(codepoint);
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}
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}
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return codepoint;
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}
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#define ESCAPE_CONTROL 1
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#define ESCAPE_META 2
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static int
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parser_read_escape(struct parser_params *parser, int flags,
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int *has8bit, int *hasmb, rb_encoding **encp)
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{
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int c;
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int numlen;
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switch (c = nextc()) {
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case '\\': /* Backslash */
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return c;
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@ -4974,6 +5126,7 @@ parser_read_escape(struct parser_params *parser, int *mb)
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case '0': case '1': case '2': case '3': /* octal constant */
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case '4': case '5': case '6': case '7':
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if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
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{
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int numlen;
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@ -4981,21 +5134,19 @@ parser_read_escape(struct parser_params *parser, int *mb)
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c = scan_oct(lex_p, 3, &numlen);
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lex_p += numlen;
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}
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if (mb && (c >= 0200)) *mb = ENC_CODERANGE_UNKNOWN;
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if (c >= 0200) *has8bit = 1;
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return c;
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case 'x': /* hex constant */
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{
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int numlen;
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if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
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c = tok_hex(&numlen);
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if (numlen == 0) return 0;
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if (c >= 0x80) *has8bit = 1;
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return c;
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c = scan_hex(lex_p, 2, &numlen);
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if (numlen == 0) {
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yyerror("Invalid escape character syntax");
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return 0;
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}
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lex_p += numlen;
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}
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if (mb && (c >= 0x80)) *mb = ENC_CODERANGE_UNKNOWN;
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case 'u': /* unicode constant: here only for char literal */
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if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
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c = parser_tokadd_utf8(parser, hasmb, encp, 0, 0);
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return c;
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case 'b': /* backspace */
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@ -5005,30 +5156,32 @@ parser_read_escape(struct parser_params *parser, int *mb)
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return ' ';
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case 'M':
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if (flags & ESCAPE_META) goto eof;
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if ((c = nextc()) != '-') {
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yyerror("Invalid escape character syntax");
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pushback(c);
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return '\0';
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goto eof;
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}
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if ((c = nextc()) == '\\') {
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if (mb) *mb = ENC_CODERANGE_UNKNOWN;
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return read_escape(0) | 0x80;
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*has8bit = 1;
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int tmp;
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return read_escape(flags|ESCAPE_META, &tmp, &tmp, encp) | 0x80;
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}
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else if (c == -1) goto eof;
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else {
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if (mb) *mb = ENC_CODERANGE_UNKNOWN;
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*has8bit = 1;
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return ((c & 0xff) | 0x80);
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}
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case 'C':
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if ((c = nextc()) != '-') {
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yyerror("Invalid escape character syntax");
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pushback(c);
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return '\0';
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goto eof;
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}
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case 'c':
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if (flags & ESCAPE_CONTROL) goto eof;
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if ((c = nextc())== '\\') {
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c = read_escape(mb);
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int tmp;
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c = read_escape(flags|ESCAPE_CONTROL, &tmp, &tmp, encp);
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}
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else if (c == '?')
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return 0177;
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@ -5045,76 +5198,98 @@ parser_read_escape(struct parser_params *parser, int *mb)
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}
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}
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#define tokcopy(n) memcpy(tokspace(n), lex_p - (n), (n))
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static void
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parser_tokaddmbc(struct parser_params *parser, int c, rb_encoding *enc)
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{
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int len = rb_enc_codelen(c, enc);
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rb_enc_mbcput(c, tokspace(len), enc);
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}
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static int
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parser_tokadd_escape(struct parser_params *parser, int term, int *mb)
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parser_tokadd_escape(struct parser_params *parser, int term,
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int *has8bit, int *hasmb, rb_encoding **encp)
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{
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int c;
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int flags = 0;
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first:
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switch (c = nextc()) {
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case '\n':
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return 0; /* just ignore */
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case '0': case '1': case '2': case '3': /* octal constant */
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case '4': case '5': case '6': case '7':
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if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
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{
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int numlen;
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int oct;
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tokadd('\\');
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pushback(c);
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oct = scan_oct(lex_p, 3, &numlen);
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if (numlen == 0) {
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yyerror("Invalid escape character syntax");
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return -1;
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}
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while (numlen--)
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tokadd(nextc());
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if (mb && (oct >= 0200)) *mb = ENC_CODERANGE_UNKNOWN;
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oct = scan_oct(--lex_p, 3, &numlen);
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if (numlen == 0) goto eof;
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lex_p += numlen;
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tokcopy(numlen + 1);
|
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if (oct >= 0200) *has8bit = 1;
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}
|
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return 0;
|
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|
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case 'x': /* hex constant */
|
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if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
|
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{
|
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int numlen;
|
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int hex;
|
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|
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tokadd('\\');
|
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tokadd(c);
|
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hex = scan_hex(lex_p, 2, &numlen);
|
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if (numlen == 0) {
|
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yyerror("Invalid escape character syntax");
|
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return -1;
|
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}
|
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while (numlen--)
|
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tokadd(nextc());
|
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if (mb && (hex >= 0x80)) *mb = ENC_CODERANGE_UNKNOWN;
|
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hex = tok_hex(&numlen);
|
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if (numlen == 0) goto eof;
|
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lex_p += numlen;
|
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tokcopy(numlen + 2);
|
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if (hex >= 0x80) *has8bit = ENC_CODERANGE_UNKNOWN;
|
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}
|
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return 0;
|
||||
|
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case 'M':
|
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if ((c = nextc()) != '-') {
|
||||
yyerror("Invalid escape character syntax");
|
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pushback(c);
|
||||
return 0;
|
||||
#if 0
|
||||
case 'u': /* Unicode constant */
|
||||
if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
|
||||
{
|
||||
int numlen;
|
||||
int uc;
|
||||
|
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uc = tok_utf8(&numlen, encp);
|
||||
if (numlen == 0) goto eof;
|
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tokaddmbc(uc, *encp);
|
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if (uc >= 0x80) *hasmb = 1;
|
||||
}
|
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tokadd('\\'); tokadd('M'); tokadd('-');
|
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if (mb) *mb = ENC_CODERANGE_UNKNOWN;
|
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return 0;
|
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#endif
|
||||
|
||||
case 'M':
|
||||
if (flags & ESCAPE_META) goto eof;
|
||||
if ((c = nextc()) != '-') {
|
||||
pushback(c);
|
||||
goto eof;
|
||||
}
|
||||
tokcopy(3);
|
||||
*has8bit = 1;
|
||||
flags |= ESCAPE_META;
|
||||
goto escaped;
|
||||
|
||||
case 'C':
|
||||
if (flags & ESCAPE_CONTROL) goto eof;
|
||||
if ((c = nextc()) != '-') {
|
||||
yyerror("Invalid escape character syntax");
|
||||
pushback(c);
|
||||
return 0;
|
||||
goto eof;
|
||||
}
|
||||
tokadd('\\'); tokadd('C'); tokadd('-');
|
||||
tokcopy(3);
|
||||
goto escaped;
|
||||
|
||||
case 'c':
|
||||
tokadd('\\'); tokadd('c');
|
||||
if (flags & ESCAPE_CONTROL) goto eof;
|
||||
tokcopy(2);
|
||||
flags |= ESCAPE_CONTROL;
|
||||
escaped:
|
||||
if ((c = nextc()) == '\\') {
|
||||
return tokadd_escape(term, mb);
|
||||
goto first;
|
||||
}
|
||||
else if (c == -1) goto eof;
|
||||
tokadd(c);
|
||||
|
|
@ -5195,18 +5370,40 @@ static void
|
|||
parser_tokadd_mbchar(struct parser_params *parser, int c)
|
||||
{
|
||||
int len = parser_mbclen();
|
||||
do {
|
||||
tokadd(c);
|
||||
} while (--len > 0 && (c = nextc()) != -1);
|
||||
tokadd(c);
|
||||
lex_p += --len;
|
||||
if (len > 0) tokcopy(len);
|
||||
}
|
||||
|
||||
#define tokadd_mbchar(c) parser_tokadd_mbchar(parser, c)
|
||||
|
||||
static int
|
||||
parser_tokadd_string(struct parser_params *parser,
|
||||
int func, int term, int paren, long *nest, int *mb)
|
||||
int func, int term, int paren, long *nest,
|
||||
int *has8bit, int *hasmb, rb_encoding **encp)
|
||||
{
|
||||
int c;
|
||||
int has_mb = 0;
|
||||
rb_encoding *enc = *encp;
|
||||
char *errbuf = 0;
|
||||
static const char mixed_msg[] = "%s mixed within %s source";
|
||||
|
||||
#define mixed_error(enc1, enc2) if (!errbuf) { \
|
||||
int len = sizeof(mixed_msg) - 4; \
|
||||
len += strlen(rb_enc_name(enc1)); \
|
||||
len += strlen(rb_enc_name(enc2)); \
|
||||
errbuf = ALLOCA_N(char, len); \
|
||||
snprintf(errbuf, len, mixed_msg, \
|
||||
rb_enc_name(enc1), \
|
||||
rb_enc_name(enc2)); \
|
||||
yyerror(errbuf); \
|
||||
}
|
||||
#define mixed_escape(beg, enc1, enc2) do { \
|
||||
const char *pos = lex_p; \
|
||||
lex_p = beg; \
|
||||
mixed_error(enc1, enc2); \
|
||||
lex_p = pos; \
|
||||
} while (0)
|
||||
|
||||
while ((c = nextc()) != -1) {
|
||||
if (paren && c == paren) {
|
||||
|
|
@ -5227,6 +5424,7 @@ parser_tokadd_string(struct parser_params *parser,
|
|||
}
|
||||
}
|
||||
else if (c == '\\') {
|
||||
const char *beg = lex_p - 1;
|
||||
c = nextc();
|
||||
switch (c) {
|
||||
case '\n':
|
||||
|
|
@ -5239,17 +5437,43 @@ parser_tokadd_string(struct parser_params *parser,
|
|||
if (func & STR_FUNC_ESCAPE) tokadd(c);
|
||||
break;
|
||||
|
||||
case 'u':
|
||||
if ((func & STR_FUNC_EXPAND) == 0) {
|
||||
tokadd('\\');
|
||||
break;
|
||||
}
|
||||
parser_tokadd_utf8(parser, hasmb, &enc, 1,
|
||||
func & STR_FUNC_SYMBOL);
|
||||
if (has_mb && enc != *encp) {
|
||||
mixed_escape(beg, enc, *encp);
|
||||
}
|
||||
continue;
|
||||
|
||||
default:
|
||||
if (func & STR_FUNC_REGEXP) {
|
||||
pushback(c);
|
||||
if (tokadd_escape(term, mb) < 0)
|
||||
if ((c = tokadd_escape(term, has8bit, hasmb, &enc)) < 0)
|
||||
return -1;
|
||||
if (has_mb && enc != *encp) {
|
||||
mixed_escape(beg, enc, *encp);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
else if (func & STR_FUNC_EXPAND) {
|
||||
int tmb = 0;
|
||||
pushback(c);
|
||||
if (func & STR_FUNC_ESCAPE) tokadd('\\');
|
||||
c = read_escape(mb);
|
||||
c = read_escape(0, has8bit, &tmb, &enc);
|
||||
if (tmb) {
|
||||
*hasmb = tmb;
|
||||
if (has_mb && enc != *encp) {
|
||||
mixed_escape(beg, enc, *encp);
|
||||
}
|
||||
else {
|
||||
tokaddmbc(c, enc);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
}
|
||||
else if ((func & STR_FUNC_QWORDS) && ISSPACE(c)) {
|
||||
/* ignore backslashed spaces in %w */
|
||||
|
|
@ -5260,8 +5484,13 @@ parser_tokadd_string(struct parser_params *parser,
|
|||
}
|
||||
}
|
||||
else if (parser_ismbchar()) {
|
||||
has_mb = 1;
|
||||
if (enc != *encp) {
|
||||
mixed_error(enc, *encp);
|
||||
continue;
|
||||
}
|
||||
tokadd_mbchar(c);
|
||||
if (mb) *mb = ENC_CODERANGE_MULTI;
|
||||
if (hasmb) *hasmb = 1;
|
||||
continue;
|
||||
}
|
||||
else if ((func & STR_FUNC_QWORDS) && ISSPACE(c)) {
|
||||
|
|
@ -5275,6 +5504,7 @@ parser_tokadd_string(struct parser_params *parser,
|
|||
}
|
||||
tokadd(c);
|
||||
}
|
||||
*encp = enc;
|
||||
return c;
|
||||
}
|
||||
|
||||
|
|
@ -5287,7 +5517,8 @@ parser_parse_string(struct parser_params *parser, NODE *quote)
|
|||
int func = quote->nd_func;
|
||||
int term = nd_term(quote);
|
||||
int paren = nd_paren(quote);
|
||||
int c, space = 0, mb = ENC_CODERANGE_SINGLE;
|
||||
int c, space = 0, has8bit=0, hasmb=0;
|
||||
rb_encoding *enc = parser->enc;
|
||||
|
||||
if (func == -1) return tSTRING_END;
|
||||
c = nextc();
|
||||
|
|
@ -5321,21 +5552,21 @@ parser_parse_string(struct parser_params *parser, NODE *quote)
|
|||
tokadd('#');
|
||||
}
|
||||
pushback(c);
|
||||
if (tokadd_string(func, term, paren, "e->nd_nest, &mb) == -1) {
|
||||
if (tokadd_string(func, term, paren, "e->nd_nest,
|
||||
&has8bit, &hasmb, &enc) == -1) {
|
||||
ruby_sourceline = nd_line(quote);
|
||||
if (func & STR_FUNC_REGEXP) {
|
||||
ruby_sourceline = nd_line(quote);
|
||||
compile_error(PARSER_ARG "unterminated regexp meets end of file");
|
||||
return tREGEXP_END;
|
||||
}
|
||||
else {
|
||||
ruby_sourceline = nd_line(quote);
|
||||
compile_error(PARSER_ARG "unterminated string meets end of file");
|
||||
return tSTRING_END;
|
||||
}
|
||||
}
|
||||
|
||||
tokfix();
|
||||
set_yylval_str(STR_NEW3(tok(), toklen(), mb));
|
||||
set_yylval_str(STR_NEW3(tok(), toklen(), enc, has8bit, hasmb));
|
||||
return tSTRING_CONTENT;
|
||||
}
|
||||
|
||||
|
|
@ -5498,7 +5729,9 @@ parser_here_document(struct parser_params *parser, NODE *here)
|
|||
} while (!whole_match_p(eos, len, indent));
|
||||
}
|
||||
else {
|
||||
int mb = ENC_CODERANGE_SINGLE, *mbp = &mb;
|
||||
/* int mb = ENC_CODERANGE_SINGLE, *mbp = &mb;*/
|
||||
int has8bit=0, hasmb=0;
|
||||
rb_encoding *enc = parser->enc;
|
||||
newtok();
|
||||
if (c == '#') {
|
||||
switch (c = nextc()) {
|
||||
|
|
@ -5513,16 +5746,17 @@ parser_here_document(struct parser_params *parser, NODE *here)
|
|||
}
|
||||
do {
|
||||
pushback(c);
|
||||
if ((c = tokadd_string(func, '\n', 0, NULL, mbp)) == -1) goto error;
|
||||
if ((c = tokadd_string(func, '\n', 0, NULL,
|
||||
&has8bit, &hasmb, &enc)) == -1) goto error;
|
||||
if (c != '\n') {
|
||||
set_yylval_str(STR_NEW3(tok(), toklen(), mb));
|
||||
set_yylval_str(STR_NEW3(tok(), toklen(), enc, has8bit,hasmb));
|
||||
return tSTRING_CONTENT;
|
||||
}
|
||||
tokadd(nextc());
|
||||
if (mbp && mb == ENC_CODERANGE_UNKNOWN) mbp = 0;
|
||||
/* if (mbp && mb == ENC_CODERANGE_UNKNOWN) mbp = 0;*/
|
||||
if ((c = nextc()) == -1) goto error;
|
||||
} while (!whole_match_p(eos, len, indent));
|
||||
str = STR_NEW3(tok(), toklen(), mb);
|
||||
str = STR_NEW3(tok(), toklen(), enc, has8bit,hasmb);
|
||||
}
|
||||
heredoc_restore(lex_strterm);
|
||||
lex_strterm = NEW_STRTERM(-1, 0, 0);
|
||||
|
|
@ -5782,6 +6016,8 @@ parser_yylex(struct parser_params *parser)
|
|||
int space_seen = 0;
|
||||
int cmd_state;
|
||||
enum lex_state_e last_state;
|
||||
rb_encoding *enc;
|
||||
int has8bit = 0, hasmb = 0;
|
||||
int mb;
|
||||
#ifdef RIPPER
|
||||
int fallthru = Qfalse;
|
||||
|
|
@ -6123,25 +6359,28 @@ parser_yylex(struct parser_params *parser)
|
|||
return '?';
|
||||
}
|
||||
newtok();
|
||||
enc = parser->enc;
|
||||
if (parser_ismbchar()) {
|
||||
mb = ENC_CODERANGE_MULTI;
|
||||
hasmb = 1;
|
||||
tokadd_mbchar(c);
|
||||
}
|
||||
else if ((rb_enc_isalnum(c, parser->enc) || c == '_') &&
|
||||
lex_p < lex_pend && is_identchar(lex_p, lex_pend, parser->enc)) {
|
||||
goto ternary;
|
||||
}
|
||||
else if (c == '\\' && (c = read_escape(0)) >= 0x80) {
|
||||
rb_encoding *enc = parser->enc;
|
||||
mb = ENC_CODERANGE_UNKNOWN;
|
||||
rb_enc_mbcput(c, tokspace(rb_enc_codelen(c, enc)), enc);
|
||||
else if (c == '\\' && (c = read_escape(0, &has8bit, &hasmb, &enc)) >= 0x80) {
|
||||
if (hasmb) {
|
||||
tokaddmbc(c, enc);
|
||||
}
|
||||
else {
|
||||
tokadd(c);
|
||||
}
|
||||
}
|
||||
else {
|
||||
mb = ENC_CODERANGE_SINGLE;
|
||||
tokadd(c);
|
||||
}
|
||||
tokfix();
|
||||
set_yylval_str(STR_NEW3(tok(), toklen(), mb));
|
||||
set_yylval_str(STR_NEW3(tok(), toklen(), enc, has8bit, hasmb));
|
||||
lex_state = EXPR_ENDARG;
|
||||
return tCHAR;
|
||||
|
||||
|
|
@ -7211,6 +7450,17 @@ list_concat_gen(struct parser_params *parser, NODE *head, NODE *tail)
|
|||
return head;
|
||||
}
|
||||
|
||||
static void
|
||||
literal_concat0(struct parser_params *parser, VALUE head, VALUE tail)
|
||||
{
|
||||
if (!rb_enc_compatible(head, tail)) {
|
||||
compile_error(PARSER_ARG "string literal encodings differ (%s / %s)",
|
||||
rb_enc_name(rb_enc_get(head)),
|
||||
rb_enc_name(rb_enc_get(tail)));
|
||||
}
|
||||
rb_str_buf_append(head, tail);
|
||||
}
|
||||
|
||||
/* concat two string literals */
|
||||
static NODE *
|
||||
literal_concat_gen(struct parser_params *parser, NODE *head, NODE *tail)
|
||||
|
|
@ -7228,7 +7478,7 @@ literal_concat_gen(struct parser_params *parser, NODE *head, NODE *tail)
|
|||
switch (nd_type(tail)) {
|
||||
case NODE_STR:
|
||||
if (htype == NODE_STR) {
|
||||
rb_str_concat(head->nd_lit, tail->nd_lit);
|
||||
literal_concat0(parser, head->nd_lit, tail->nd_lit);
|
||||
rb_gc_force_recycle((VALUE)tail);
|
||||
}
|
||||
else {
|
||||
|
|
@ -7238,7 +7488,7 @@ literal_concat_gen(struct parser_params *parser, NODE *head, NODE *tail)
|
|||
|
||||
case NODE_DSTR:
|
||||
if (htype == NODE_STR) {
|
||||
rb_str_concat(head->nd_lit, tail->nd_lit);
|
||||
literal_concat0(parser, head->nd_lit, tail->nd_lit);
|
||||
tail->nd_lit = head->nd_lit;
|
||||
rb_gc_force_recycle((VALUE)head);
|
||||
head = tail;
|
||||
|
|
|
|||
25
test/ruby/test_mixed_unicode_escapes.rb
Normal file
25
test/ruby/test_mixed_unicode_escapes.rb
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
# -*- coding: sjis -*-
|
||||
# This test is in a differnt file than TestUnicodeEscapes
|
||||
# So that we can have a different coding comment above
|
||||
|
||||
require 'test/unit'
|
||||
|
||||
class TestMixedUnicodeEscape < Test::Unit::TestCase
|
||||
def test_basic
|
||||
# Unicode escapes do work in an sjis encoded file, but only
|
||||
# if they don't contain other multi-byte chars
|
||||
assert_equal("A", "\u0041")
|
||||
# 8-bit character escapes are okay.
|
||||
assert_equal("B\xFF", "\u0042\xFF")
|
||||
|
||||
# sjis mb chars mixed with Unicode shound not work
|
||||
assert_raise(SyntaxError) { eval %q("é<>\u1234")}
|
||||
assert_raise(SyntaxError) { eval %q("\u{1234}é<>")}
|
||||
|
||||
# String interpolation turns into an expression and we get
|
||||
# a different kind of error, but we still can't mix these
|
||||
assert_raise(ArgumentError) { eval %q("\u{1234}#{nil}é<>")}
|
||||
assert_raise(ArgumentError) { eval %q("é<>#{nil}\u1234")}
|
||||
|
||||
end
|
||||
end
|
||||
240
test/ruby/test_unicode_escape.rb
Normal file
240
test/ruby/test_unicode_escape.rb
Normal file
|
|
@ -0,0 +1,240 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
|
||||
require 'test/unit'
|
||||
|
||||
class TestUnicodeEscape < Test::Unit::TestCase
|
||||
def test_basic
|
||||
assert_equal('Matz - 松本行弘',
|
||||
"Matz - \u677E\u672C\u884C\u5F18")
|
||||
assert_equal('Matz - まつもと ゆきひろ',
|
||||
"Matz - \u307E\u3064\u3082\u3068 \u3086\u304D\u3072\u308D")
|
||||
assert_equal('Matz - まつもと ゆきひろ',
|
||||
"Matz - \u{307E}\u{3064}\u{3082}\u{3068} \u{3086}\u{304D}\u{3072}\u{308D}")
|
||||
assert_equal('Matz - まつもと ゆきひろ',
|
||||
"Matz - \u{307E 3064 3082 3068 20 3086 304D 3072 308D}")
|
||||
assert_equal("Aoyama Gakuin University - \xE9\x9D\x92\xE5\xB1\xB1\xE5\xAD\xA6\xE9\x99\xA2\xE5\xA4\xA7\xE5\xAD\xA6",
|
||||
"Aoyama Gakuin University - \u9752\u5C71\u5B66\u9662\u5927\u5B66")
|
||||
assert_equal('Aoyama Gakuin University - 青山学院大学',
|
||||
"Aoyama Gakuin University - \u9752\u5C71\u5B66\u9662\u5927\u5B66")
|
||||
assert_equal('青山学院大学', "\u9752\u5C71\u5B66\u9662\u5927\u5B66")
|
||||
assert_equal("Martin D\xC3\xBCrst", "Martin D\u00FCrst")
|
||||
assert_equal('Martin Dürst', "Martin D\u00FCrst")
|
||||
assert_equal('ü', "\u00FC")
|
||||
assert_equal("Martin D\xC3\xBCrst", "Martin D\u{FC}rst")
|
||||
assert_equal('Martin Dürst', "Martin D\u{FC}rst")
|
||||
assert_equal('ü', "\u{FC}")
|
||||
assert_equal('ü', %Q|\u{FC}|)
|
||||
assert_equal('ü', %W{\u{FC}}[0])
|
||||
|
||||
# \u escapes in here documents
|
||||
assert_equal('Matz - まつもと ゆきひろ', <<EOS.chop)
|
||||
Matz - \u307E\u3064\u3082\u3068 \u3086\u304D\u3072\u308D
|
||||
EOS
|
||||
|
||||
assert_equal('Matz - まつもと ゆきひろ', <<"EOS".chop)
|
||||
Matz - \u{307E 3064 3082 3068} \u{3086 304D 3072 308D}
|
||||
EOS
|
||||
assert_not_equal('Matz - まつもと ゆきひろ', <<'EOS'.chop)
|
||||
Matz - \u{307E 3064 3082 3068} \u{3086 304D 3072 308D}
|
||||
EOS
|
||||
|
||||
# single-quoted things don't expand \u
|
||||
assert_not_equal('ü', '\u{FC}')
|
||||
assert_not_equal('ü', %q|\u{FC}|)
|
||||
assert_not_equal('ü', %w{\u{FC}}[0])
|
||||
assert_equal('\u00fc', "\\" + "u00fc")
|
||||
|
||||
# \u in %x strings
|
||||
assert_equal(`echo "\u0041"`.chop, "A")
|
||||
assert_equal(%x{echo "\u0041"}.chop, "A")
|
||||
assert_equal(`echo "\u{FC}"`.force_encoding("utf-8"), "ü\n")
|
||||
|
||||
# \u in quoted symbols
|
||||
assert_equal(:A, :"\u0041")
|
||||
assert_equal(:a, :"\u0061")
|
||||
assert_equal(:ま, :ま)
|
||||
assert_equal(:ü, :ü)
|
||||
assert_equal(:"\u{41}", :"\u0041")
|
||||
assert_equal(:ü, :"\u{fc}")
|
||||
|
||||
# the NUL character is not allowed in symbols
|
||||
assert_raise(SyntaxError) { eval %q(:"\u{0}")}
|
||||
assert_raise(SyntaxError) { eval %q(:"\u0000")}
|
||||
assert_raise(SyntaxError) { eval %q(:"\u{fc 0 0041}")}
|
||||
assert_raise(SyntaxError) { eval %q(:"\x00")}
|
||||
assert_raise(SyntaxError) { eval %q(:"\0")}
|
||||
end
|
||||
|
||||
def test_regexp
|
||||
|
||||
# Compare regexps to regexps
|
||||
assert_equal(/Yukihiro Matsumoto - 松本行弘/,
|
||||
/Yukihiro Matsumoto - \u677E\u672C\u884C\u5F18/)
|
||||
assert_equal(/Yukihiro Matsumoto - 松本行弘/,
|
||||
/Yukihiro Matsumoto - \u{677E 672C 884C 5F18}/)
|
||||
assert_equal(/Matz - まつもと ゆきひろ/,
|
||||
/Matz - \u307E\u3064\u3082\u3068 \u3086\u304D\u3072\u308D/)
|
||||
assert_equal(/Aoyama Gakuin University - 青山学院大学/,
|
||||
/Aoyama Gakuin University - \u9752\u5C71\u5B66\u9662\u5927\u5B66/)
|
||||
assert_equal(/青山学院大学/, /\u9752\u5C71\u5B66\u9662\u5927\u5B66/)
|
||||
assert_equal(/Martin Dürst/, /Martin D\u00FCrst/)
|
||||
assert_equal(/ü/, /\u00FC/)
|
||||
assert_equal(/Martin Dürst/, /Martin D\u{FC}rst/)
|
||||
assert_equal(/ü/, /\u{FC}/)
|
||||
assert_equal(/ü/, %r{\u{FC}})
|
||||
assert_equal(/ü/i, %r{\u00FC}i)
|
||||
|
||||
# match strings to regexps
|
||||
assert_equal("Yukihiro Matsumoto - 松本行弘" =~ /Yukihiro Matsumoto - \u677E\u672C\u884C\u5F18/, 0)
|
||||
assert_equal("Yukihiro Matsumoto - \u677E\u672C\u884C\u5F18" =~ /Yukihiro Matsumoto - \u677E\u672C\u884C/, 0)
|
||||
assert_equal("Yukihiro Matsumoto - 松本行弘" =~ /Yukihiro Matsumoto - \u{677E 672C 884C 5F18}/, 0)
|
||||
assert_equal(%Q{Yukihiro Matsumoto - \u{677E 672C 884C 5F18}} =~ /Yukihiro Matsumoto - \u{677E 672C 884C 5F18}/, 0)
|
||||
assert_equal("Matz - まつもと ゆきひろ" =~ /Matz - \u307E\u3064\u3082\u3068 \u3086\u304D\u3072\u308D/, 0)
|
||||
assert_equal("Aoyama Gakuin University - 青山学院大学" =~ /Aoyama Gakuin University - \u9752\u5C71\u5B66\u9662\u5927\u5B66/, 0)
|
||||
assert_equal("青山学院大学" =~ /\u9752\u5C71\u5B66\u9662\u5927\u5B66/, 0)
|
||||
assert_equal("Martin Dürst" =~ /Martin D\u00FCrst/, 0)
|
||||
assert_equal("ü" =~ /\u00FC/, 0)
|
||||
assert_equal("Martin Dürst" =~ /Martin D\u{FC}rst/, 0)
|
||||
assert_equal("ü" =~ %r{\u{FC}}, 0)
|
||||
assert_equal("ü" =~ %r{\u00FC}i, 0)
|
||||
|
||||
# Flip order of the two operands
|
||||
assert_equal(/Martin D\u00FCrst/ =~ "Martin Dürst", 0)
|
||||
assert_equal(/\u00FC/ =~ "testü", 4)
|
||||
assert_equal(/Martin D\u{FC}rst/ =~ "fooMartin Dürstbar", 3)
|
||||
assert_equal(%r{\u{FC}} =~ "fooübar", 3)
|
||||
|
||||
# Put \u in strings, literal character in regexp
|
||||
assert_equal("Martin D\u00FCrst" =~ /Martin Dürst/, 0)
|
||||
assert_equal("test\u00FC" =~ /ü/, 4)
|
||||
assert_equal("fooMartin D\u{FC}rstbar" =~ /Martin Dürst/, 3)
|
||||
assert_equal(%Q{foo\u{FC}bar} =~ %r<ü>, 3)
|
||||
end
|
||||
|
||||
def test_syntax_variants
|
||||
# all hex digits
|
||||
assert_equal("\xC4\xA3\xE4\x95\xA7\xE8\xA6\xAB\xEC\xB7\xAF", "\u0123\u4567\u89AB\uCDEF")
|
||||
assert_equal("\xC4\xA3\xE4\x95\xA7\xE8\xA6\xAB\xEC\xB7\xAF", "\u0123\u4567\u89AB\uCDEF")
|
||||
assert_equal("\xC4\xA3\xE4\x95\xA7\xE8\xA6\xAB\xEC\xB7\xAF", "\u0123\u4567\u89ab\ucdef")
|
||||
assert_equal("\xC4\xA3\xE4\x95\xA7\xE8\xA6\xAB\xEC\xB7\xAF", "\u0123\u4567\u89ab\ucdef")
|
||||
assert_equal("\xC4\xA3\xE4\x95\xA7\xE8\xA6\xAB\xEC\xB7\xAF", "\u0123\u4567\u89aB\uCdEf")
|
||||
assert_equal("\xC4\xA3\xE4\x95\xA7\xE8\xA6\xAB\xEC\xB7\xAF", "\u0123\u4567\u89aB\ucDEF")
|
||||
end
|
||||
|
||||
def test_fulton
|
||||
# examples from Hal Fulton's book (second edition), chapter 4
|
||||
# precomposed e'pe'e
|
||||
assert_equal('épée', "\u00E9\u0070\u00E9\u0065")
|
||||
assert_equal('épée', "\u00E9p\u00E9e")
|
||||
assert_equal("\xC3\xA9\x70\xC3\xA9\x65", "\u00E9\u0070\u00E9\u0065")
|
||||
assert_equal("\xC3\xA9\x70\xC3\xA9\x65", "\u00E9p\u00E9e")
|
||||
# decomposed e'pe'e
|
||||
assert_equal('épée', "\u0065\u0301\u0070\u0065\u0301\u0065")
|
||||
assert_equal('épée', "e\u0301pe\u0301e")
|
||||
assert_equal("\x65\xCC\x81\x70\x65\xCC\x81\x65", "\u0065\u0301\u0070\u0065\u0301\u0065")
|
||||
assert_equal("\x65\xCC\x81\x70\x65\xCC\x81\x65", "e\u0301pe\u0301e")
|
||||
# combinations of NFC/D, NFKC/D
|
||||
assert_equal('öffnen', "\u00F6\u0066\u0066\u006E\u0065\u006E")
|
||||
assert_equal("\xC3\xB6ffnen", "\u00F6\u0066\u0066\u006E\u0065\u006E")
|
||||
assert_equal('öffnen', "\u00F6ffnen")
|
||||
assert_equal("\xC3\xB6ffnen", "\u00F6ffnen")
|
||||
assert_equal('öffnen', "\u006F\u0308\u0066\u0066\u006E\u0065\u006E")
|
||||
assert_equal("\x6F\xCC\x88ffnen", "\u006F\u0308\u0066\u0066\u006E\u0065\u006E")
|
||||
assert_equal('öffnen', "o\u0308ffnen")
|
||||
assert_equal("\x6F\xCC\x88ffnen", "o\u0308ffnen")
|
||||
assert_equal('öffnen', "\u00F6\uFB00\u006E\u0065\u006E")
|
||||
assert_equal("\xC3\xB6\xEF\xAC\x80nen", "\u00F6\uFB00\u006E\u0065\u006E")
|
||||
assert_equal('öffnen', "\u00F6\uFB00nen")
|
||||
assert_equal("\xC3\xB6\xEF\xAC\x80nen", "\u00F6\uFB00nen")
|
||||
assert_equal('öffnen', "\u006F\u0308\uFB00\u006E\u0065\u006E")
|
||||
assert_equal("\x6F\xCC\x88\xEF\xAC\x80nen", "\u006F\u0308\uFB00\u006E\u0065\u006E")
|
||||
assert_equal('öffnen', "o\u0308\uFB00nen")
|
||||
assert_equal("\x6F\xCC\x88\xEF\xAC\x80nen", "o\u0308\uFB00nen")
|
||||
# German sharp s (sz)
|
||||
assert_equal('Straße', "\u0053\u0074\u0072\u0061\u00DF\u0065")
|
||||
assert_equal("\x53\x74\x72\x61\xC3\x9F\x65", "\u0053\u0074\u0072\u0061\u00DF\u0065")
|
||||
assert_equal('Straße', "Stra\u00DFe")
|
||||
assert_equal("\x53\x74\x72\x61\xC3\x9F\x65", "Stra\u00DFe")
|
||||
assert_equal('Straße', "\u{53}\u{74}\u{72}\u{61}\u{DF}\u{65}")
|
||||
assert_equal("\x53\x74\x72\x61\xC3\x9F\x65", "\u{53}\u{74}\u{72}\u{61}\u{DF}\u{65}")
|
||||
assert_equal("\x53\x74\x72\x61\xC3\x9F\x65", "\u{53 74 72 61 DF 65}")
|
||||
assert_equal('Straße', "Stra\u{DF}e")
|
||||
assert_equal("\x53\x74\x72\x61\xC3\x9F\x65", "Stra\u{DF}e")
|
||||
end
|
||||
|
||||
def test_edge_cases
|
||||
# start and end of each outer plane
|
||||
assert_equal("\xF4\x8F\xBF\xBF", "\u{10FFFF}")
|
||||
assert_equal("\xF4\x80\x80\x80", "\u{100000}")
|
||||
assert_equal("\xF3\xBF\xBF\xBF", "\u{FFFFF}")
|
||||
assert_equal("\xF3\xB0\x80\x80", "\u{F0000}")
|
||||
assert_equal("\xF3\xAF\xBF\xBF", "\u{EFFFF}")
|
||||
assert_equal("\xF3\xA0\x80\x80", "\u{E0000}")
|
||||
assert_equal("\xF3\x9F\xBF\xBF", "\u{DFFFF}")
|
||||
assert_equal("\xF3\x90\x80\x80", "\u{D0000}")
|
||||
assert_equal("\xF3\x8F\xBF\xBF", "\u{CFFFF}")
|
||||
assert_equal("\xF3\x80\x80\x80", "\u{C0000}")
|
||||
assert_equal("\xF2\xBF\xBF\xBF", "\u{BFFFF}")
|
||||
assert_equal("\xF2\xB0\x80\x80", "\u{B0000}")
|
||||
assert_equal("\xF2\xAF\xBF\xBF", "\u{AFFFF}")
|
||||
assert_equal("\xF2\xA0\x80\x80", "\u{A0000}")
|
||||
assert_equal("\xF2\x9F\xBF\xBF", "\u{9FFFF}")
|
||||
assert_equal("\xF2\x90\x80\x80", "\u{90000}")
|
||||
assert_equal("\xF2\x8F\xBF\xBF", "\u{8FFFF}")
|
||||
assert_equal("\xF2\x80\x80\x80", "\u{80000}")
|
||||
assert_equal("\xF1\xBF\xBF\xBF", "\u{7FFFF}")
|
||||
assert_equal("\xF1\xB0\x80\x80", "\u{70000}")
|
||||
assert_equal("\xF1\xAF\xBF\xBF", "\u{6FFFF}")
|
||||
assert_equal("\xF1\xA0\x80\x80", "\u{60000}")
|
||||
assert_equal("\xF1\x9F\xBF\xBF", "\u{5FFFF}")
|
||||
assert_equal("\xF1\x90\x80\x80", "\u{50000}")
|
||||
assert_equal("\xF1\x8F\xBF\xBF", "\u{4FFFF}")
|
||||
assert_equal("\xF1\x80\x80\x80", "\u{40000}")
|
||||
assert_equal("\xF0\xBF\xBF\xBF", "\u{3FFFF}")
|
||||
assert_equal("\xF0\xB0\x80\x80", "\u{30000}")
|
||||
assert_equal("\xF0\xAF\xBF\xBF", "\u{2FFFF}")
|
||||
assert_equal("\xF0\xA0\x80\x80", "\u{20000}")
|
||||
assert_equal("\xF0\x9F\xBF\xBF", "\u{1FFFF}")
|
||||
assert_equal("\xF0\x90\x80\x80", "\u{10000}")
|
||||
# BMP
|
||||
assert_equal("\xEF\xBF\xBF", "\uFFFF")
|
||||
assert_equal("\xEE\x80\x80", "\uE000")
|
||||
assert_equal("\xED\x9F\xBF", "\uD7FF")
|
||||
assert_equal("\xE0\xA0\x80", "\u0800")
|
||||
assert_equal("\xDF\xBF", "\u07FF")
|
||||
assert_equal("\xC2\x80", "\u0080")
|
||||
assert_equal("\x7F", "\u007F")
|
||||
assert_equal("\x00", "\u0000")
|
||||
end
|
||||
|
||||
def test_chars
|
||||
assert_equal(?\u0041, ?A)
|
||||
assert_equal(?\u{79}, ?\x79)
|
||||
assert_equal(?\u{0}, ?\000)
|
||||
assert_equal(?\u0000, ?\000)
|
||||
end
|
||||
|
||||
# Tests to make sure that disallowed cases fail
|
||||
def test_fail
|
||||
assert_raise(SyntaxError) { eval %q("\uabc") } # too short
|
||||
assert_raise(SyntaxError) { eval %q("\uab") } # too short
|
||||
assert_raise(SyntaxError) { eval %q("\ua") } # too short
|
||||
assert_raise(SyntaxError) { eval %q("\u") } # too short
|
||||
assert_raise(SyntaxError) { eval %q("\u{110000}") } # too high
|
||||
assert_raise(SyntaxError) { eval %q("\u{abcdeff}") } # too long
|
||||
assert_raise(SyntaxError) { eval %q("\ughij") } # bad hex digits
|
||||
assert_raise(SyntaxError) { eval %q("\u{ghij}") } # bad hex digits
|
||||
|
||||
assert_raise(SyntaxError) { eval %q("\u{123 456 }")} # extra space
|
||||
assert_raise(SyntaxError) { eval %q("\u{ 123 456}")} # extra space
|
||||
assert_raise(SyntaxError) { eval %q("\u{123 456}")} # extra space
|
||||
|
||||
# The utf-8 encoding object currently does not object to codepoints
|
||||
# in the surrogate blocks, so these do not raise an error.
|
||||
# assert_raise(SyntaxError) { "\uD800" } # surrogate block
|
||||
# assert_raise(SyntaxError) { "\uDCBA" } # surrogate block
|
||||
# assert_raise(SyntaxError) { "\uDFFF" } # surrogate block
|
||||
# assert_raise(SyntaxError) { "\uD847\uDD9A" } # surrogate pair
|
||||
|
||||
end
|
||||
end
|
||||
Loading…
Reference in a new issue