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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-08-02 16:03:02 +0000 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-08-02 16:03:02 +0000 |
| commit | 47701677e88230abf7d9106c55f46aa660643ce7 (patch) | |
| tree | a63fb4fde15c85de24b3d04a3346cd72c6e009ca /src/libexpr/parser.y | |
| parent | 5d147e125cea69e9a3b12f0ef64c64f42985c65e (diff) | |
| download | guix-47701677e88230abf7d9106c55f46aa660643ce7.tar.gz | |
Add integer ‘-’, ‘*’ and ‘/’ operators
Diffstat (limited to 'src/libexpr/parser.y')
| -rw-r--r-- | src/libexpr/parser.y | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libexpr/parser.y b/src/libexpr/parser.y index 4a59a0875e..d998c840e1 100644 --- a/src/libexpr/parser.y +++ b/src/libexpr/parser.y @@ -271,7 +271,8 @@ void yyerror(YYLTYPE * loc, yyscan_t scanner, ParseData * data, const char * err %nonassoc EQ NEQ %right UPDATE %left NOT -%left '+' +%left '+' '-' +%left '*' '/' %right CONCAT %nonassoc '?' %nonassoc '~' @@ -322,6 +323,9 @@ expr_op l->push_back($3); $$ = new ExprConcatStrings(false, l); } + | expr_op '-' expr_op { $$ = new ExprApp(new ExprApp(new ExprVar(data->symbols.create("__sub")), $1), $3); } + | expr_op '*' expr_op { $$ = new ExprApp(new ExprApp(new ExprVar(data->symbols.create("__mul")), $1), $3); } + | expr_op '/' expr_op { $$ = new ExprApp(new ExprApp(new ExprVar(data->symbols.create("__div")), $1), $3); } | expr_op CONCAT expr_op { $$ = new ExprOpConcatLists($1, $3); } | expr_app ; |