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author | Adam Chlipala <adamc@hcoop.net> | 2009-09-22 13:41:23 -0400 |
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committer | Adam Chlipala <adamc@hcoop.net> | 2009-09-22 13:41:23 -0400 |
commit | c328bb9c8bf1c3ac70b9e7e14157ecd2b6ba0b1d (patch) | |
tree | 0a42ab31375f4c36279b7488d5fedfdf549e4980 /lib/js/urweb.js | |
parent | 5ee51dcd83cba0c90328d80376bef612b94f1700 (diff) |
More interpreter debugging
Diffstat (limited to 'lib/js/urweb.js')
-rw-r--r-- | lib/js/urweb.js | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/js/urweb.js b/lib/js/urweb.js index c11702a6..0cafd8f8 100644 --- a/lib/js/urweb.js +++ b/lib/js/urweb.js @@ -883,7 +883,7 @@ function exec0(env, e) { stack = cons({c: "a3", env: env}, stack.next); break; default: - throw "Unknown Ur continuation kind"; + throw ("Unknown Ur continuation kind " + fr.c); } break; @@ -922,7 +922,7 @@ function exec0(env, e) { throw "Empty Ur record in interpretation"; var fs = {}; stack = cons({c: "r", n: e.l.data.n, fs: fs, l: e.l.next}, stack); - e = e.l.data; + e = e.l.data.v; break; case ".": stack = cons({c: ".", f: e.f}, stack); @@ -942,7 +942,7 @@ function exec0(env, e) { e = {c: "c", v: cs(function() { return exec0(env0, e0); })}; break; default: - throw "Unknown Ur expression kind"; + throw ("Unknown Ur expression kind " + e.c); } } } |