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* String/path concatenation operator (`+').

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This commit is contained in:
Eelco Dolstra 2004-10-26 17:01:35 +00:00
parent ee401afad8
commit 9fa07b376d
6 changed files with 43 additions and 5 deletions
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2
src/libexpr/parser.y
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@ -53,6 +53,7 @@ ATerm makePos(YYLTYPE * loc, void * data)
%nonassoc EQ NEQ
%right UPDATE
%left NEG
%left '+'
%nonassoc '?'
%nonassoc '~'
@ -90,6 +91,7 @@ expr_op
| expr_op UPDATE expr_op { $$ = ATmake("OpUpdate(<term>, <term>)", $1, $3); }
| expr_op '~' expr_op { $$ = ATmake("SubPath(<term>, <term>)", $1, $3); }
| expr_op '?' ID { $$ = ATmake("OpHasAttr(<term>, <term>)", $1, $3); }
| expr_op '+' expr_op { $$ = ATmake("OpPlus(<term>, <term>)", $1, $3); }
| expr_app
;