diff options
Diffstat (limited to 'src/urweb.grm')
| -rw-r--r-- | src/urweb.grm | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/urweb.grm b/src/urweb.grm index 3511093c..183f9afd 100644 --- a/src/urweb.grm +++ b/src/urweb.grm @@ -158,6 +158,14 @@ fun sql_relop (oper, sqlexp1, sqlexp2, loc) = (EApp (e, sqlexp2), loc) end +fun native_unop (oper, e1, loc) = + let + val e = (EVar (["Basis"], oper), loc) + val e = (EApp (e, (EWild, loc)), loc) + in + (EApp (e, e1), loc) + end + fun native_op (oper, e1, e2, loc) = let val e = (EVar (["Basis"], oper), loc) @@ -183,7 +191,7 @@ fun tagIn bt = | SYMBOL of string | CSYMBOL of string | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR - | DIVIDE | DOTDOTDOT + | PLUS | MINUS | DIVIDE | DOTDOTDOT | MOD | CON | LTYPE | VAL | REC | AND | FUN | FOLD | UNIT | KUNIT | CLASS | DATATYPE | OF | TYPE | NAME @@ -335,7 +343,8 @@ fun tagIn bt = %right ARROW %left WITH %right PLUSPLUS MINUSMINUS -%right STAR +%left PLUS MINUS +%left STAR DIVIDE MOD %left NOT %nonassoc TWIDDLE %nonassoc DOLLAR @@ -682,6 +691,12 @@ eexp : eapps (eapps) end) | eexp EQ eexp (native_op ("eq", eexp1, eexp2, s (eexp1left, eexp2right))) | eexp NE eexp (native_op ("ne", eexp1, eexp2, s (eexp1left, eexp2right))) + | MINUS eterm (native_unop ("neg", eterm, s (MINUSleft, etermright))) + | eexp PLUS eexp (native_op ("plus", eexp1, eexp2, s (eexp1left, eexp2right))) + | eexp MINUS eexp (native_op ("minus", eexp1, eexp2, s (eexp1left, eexp2right))) + | eterm STAR eexp (native_op ("times", eterm, eexp, s (etermleft, eexpright))) + | eexp DIVIDE eexp (native_op ("div", eexp1, eexp2, s (eexp1left, eexp2right))) + | eexp MOD eexp (native_op ("mod", eexp1, eexp2, s (eexp1left, eexp2right))) | eexp WITH cterm EQ eexp (EWith (eexp1, cterm, eexp2), s (eexp1left, eexp2right)) eargs : earg (earg) |