Changeset d8bd2ec in mainline for uspace/app/bithenge/script.c

Timestamp:

2012-08-08T04:13:53Z (11 years ago)

Author:

Sean Bartell <wingedtachikoma@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade

Children:

0b60d2d, 20e95be

Parents:

a66ea217

Message:

Bithenge: add syntax for inputless transforms

File:

• uspace/app/bithenge/script.c (modified) (4 diffs)

uspace/app/bithenge/script.c

@@ -119 +119 @@
         /** The number of parameters. */
         int num_params;
+        /** @a parse_expression sets this when TOKEN_IN is used. */
+        bool in_node_used;
 } state_t;
 
@@ -440 +442 @@
         } else if (state->token == TOKEN_IN) {
                 next_token(state);
+                state->in_node_used = true;
                 bithenge_expression_t *expr;
                 rc = bithenge_in_node_expression(&expr);
@@ -882 +885 @@
         if (state->token == '(') {
                 next_token(state);
+                state->in_node_used = false;
                 bithenge_expression_t *expr = parse_expression(state);
                 expect(state, ')');
@@ -890 +894 @@
 
                 bithenge_transform_t *xform;
-                int rc = bithenge_expression_transform(&xform, expr);
+                int rc;
+                if (state->in_node_used)
+                        rc = bithenge_expression_transform(&xform, expr);
+                else
+                        rc = bithenge_inputless_transform(&xform, expr);
                 if (rc != EOK) {
                         error_errno(state, rc);