1921 - show trace by clicking on code

Region to click on to edit is now reduced to just the menu bar for the
sandbox (excluding the 'x' for deleting the sandbox). The symmetry there
might be useful, but we'll see if the relative click area is
in line with how commonly the actions are performed.

1 files changed, 2 insertions, 2 deletions

diff --git a/031address.cc b/031address.cc
index e79ff314..b7b395c6 100644
--- a/031address.cc
+++ b/031address.cc
@@ -25,7 +25,7 @@ recipe main [
 :(before "long long int base = x.value" following "void write_memory(reagent x, vector<double> data)")
 x = canonize(x);
 if (x.value == 0) {
-  raise << "can't write to location 0\n" << end();
+  raise << "can't write to location 0 in '" << current_instruction().to_string() << "'\n" << end();
   return;
 }
 
@@ -37,7 +37,7 @@ recipe main [
   1:address:number/lookup <- copy 34
 ]
 -mem: storing 34 in location 0
-+warn: can't write to location 0
++warn: can't write to location 0 in '1:address:number/lookup <- copy 34'
 
 :(code)
 reagent canonize(reagent x) {