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allow backtick as a symbol

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Yukihiro Matz Matsumoto
2013-03-22 15:53:08 +09:00
parent ab7bd61596
commit b547a7ed2c
1 changed files with 12 additions and 0 deletions
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src/parse.y
+12
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@@ -1617,6 +1617,7 @@ op : '|' { $$ = intern("|"); }
| tUMINUS { $$ = intern("-@"); }
| tAREF { $$ = intern("[]"); }
| tASET { $$ = intern("[]="); }
| '`' { $$ = intern("`"); }
;
reswords : keyword__LINE__ | keyword__FILE__ | keyword__ENCODING__
@@ -4021,6 +4022,17 @@ parser_yylex(parser_state *p)
return parse_string(p);
case '`':
if (p->lstate == EXPR_FNAME) {
p->lstate = EXPR_ENDFN;
return '`';
}
if (p->lstate == EXPR_DOT) {
if (cmd_state)
p->lstate = EXPR_CMDARG;
else
p->lstate = EXPR_ARG;
return '`';
}
p->lex_strterm = new_strterm(p, str_xquote, '`', 0);
return tXSTRING_BEG;