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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 08:38:52 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 08:38:52 +0000 |
commit | 5da2f77b93e0abd17ad9bf3c4ba6d843b0e0a86d (patch) | |
tree | 646bfc54f1e900408836b5bd18538b61f43c028c /parse.y | |
parent | c18503c25ab1d765603bee36d7683ef7a6085c65 (diff) | |
download | ruby-5da2f77b93e0abd17ad9bf3c4ba6d843b0e0a86d.tar.gz |
parse.y: literal term lex_state
* parse.y (parser_string_term, parser_parse_string): move setting
lex_state operations from parser_yylex per each token types.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59974 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 68 |
1 files changed, 32 insertions, 36 deletions
@@ -6256,13 +6256,34 @@ parser_peek_variable_name(struct parser_params *parser) return 0; } +#define IS_ARG() IS_lex_state(EXPR_ARG_ANY) +#define IS_END() IS_lex_state(EXPR_END_ANY) +#define IS_BEG() (IS_lex_state(EXPR_BEG_ANY) || IS_lex_state_all(EXPR_ARG|EXPR_LABELED)) +#define IS_SPCARG(c) (IS_ARG() && space_seen && !ISSPACE(c)) +#define IS_LABEL_POSSIBLE() (\ + (IS_lex_state(EXPR_LABEL|EXPR_ENDFN) && !cmd_state) || \ + IS_ARG()) +#define IS_LABEL_SUFFIX(n) (peek_n(':',(n)) && !peek_n(':', (n)+1)) +#define IS_AFTER_OPERATOR() IS_lex_state(EXPR_FNAME | EXPR_DOT) + static inline enum yytokentype parser_string_term(struct parser_params *parser, int func) { - if (!(func & STR_FUNC_REGEXP)) return tSTRING_END; - set_yylval_num(regx_options()); - dispatch_scan_event(tREGEXP_END); - return tREGEXP_END; + rb_gc_force_recycle((VALUE)lex_strterm); + lex_strterm = 0; + if (func & STR_FUNC_REGEXP) { + set_yylval_num(regx_options()); + dispatch_scan_event(tREGEXP_END); + SET_LEX_STATE(EXPR_END|EXPR_ENDARG); + return tREGEXP_END; + } + if ((func & STR_FUNC_LABEL) && IS_LABEL_SUFFIX(0)) { + nextc(); + SET_LEX_STATE(EXPR_BEG|EXPR_LABEL); + return tLABEL_END; + } + SET_LEX_STATE(EXPR_END|EXPR_ENDARG); + return tSTRING_END; } static enum yytokentype @@ -6275,6 +6296,8 @@ parser_parse_string(struct parser_params *parser, NODE *quote) rb_encoding *enc = current_enc; if (func & STR_FUNC_TERM) { + SET_LEX_STATE(EXPR_END|EXPR_ENDARG); + lex_strterm = 0; return func & STR_FUNC_REGEXP ? tREGEXP_END : tSTRING_END; } c = nextc(); @@ -6660,11 +6683,14 @@ parser_here_document(struct parser_params *parser, NODE *here) #endif restore: heredoc_restore(lex_strterm); + lex_strterm = 0; return 0; } if (was_bol() && whole_match_p(eos, len, indent)) { dispatch_heredoc_end(); heredoc_restore(lex_strterm); + lex_strterm = 0; + SET_LEX_STATE(EXPR_END); return tSTRING_END; } @@ -7158,16 +7184,6 @@ parser_prepare(struct parser_params *parser) parser->token_info_enabled = !compile_for_eval && RTEST(ruby_verbose); } -#define IS_ARG() IS_lex_state(EXPR_ARG_ANY) -#define IS_END() IS_lex_state(EXPR_END_ANY) -#define IS_BEG() (IS_lex_state(EXPR_BEG_ANY) || IS_lex_state_all(EXPR_ARG|EXPR_LABELED)) -#define IS_SPCARG(c) (IS_ARG() && space_seen && !ISSPACE(c)) -#define IS_LABEL_POSSIBLE() (\ - (IS_lex_state(EXPR_LABEL|EXPR_ENDFN) && !cmd_state) || \ - IS_ARG()) -#define IS_LABEL_SUFFIX(n) (peek_n(':',(n)) && !peek_n(':', (n)+1)) -#define IS_AFTER_OPERATOR() IS_lex_state(EXPR_FNAME | EXPR_DOT) - #ifndef RIPPER #define ambiguous_operator(tok, op, syn) ( \ rb_warning0("`"op"' after local variable or literal is interpreted as binary operator"), \ @@ -7912,32 +7928,12 @@ parser_yylex(struct parser_params *parser) int token_seen = parser->token_seen; if (lex_strterm) { - enum yytokentype token; if (nd_type(lex_strterm) == NODE_HEREDOC) { - token = here_document(lex_strterm); - if (token == tSTRING_END) { - lex_strterm = 0; - SET_LEX_STATE(EXPR_END); - } + return here_document(lex_strterm); } else { - token = parse_string(lex_strterm); - if ((token == tSTRING_END) && (lex_strterm->nd_func & STR_FUNC_LABEL)) { - if (((IS_lex_state(EXPR_BEG | EXPR_ENDFN) && !COND_P()) || IS_ARG()) && - IS_LABEL_SUFFIX(0)) { - nextc(); - token = tLABEL_END; - } - } - if (token == tSTRING_END || token == tREGEXP_END || token == tLABEL_END) { - const enum lex_state_e next_state = - token == tLABEL_END ? EXPR_BEG|EXPR_LABEL : EXPR_END|EXPR_ENDARG; - rb_gc_force_recycle((VALUE)lex_strterm); - lex_strterm = 0; - SET_LEX_STATE(next_state); - } + return parse_string(lex_strterm); } - return token; } cmd_state = command_start; command_start = FALSE; |