Mercurial > urweb
diff src/cjr_print.sml @ 167:2be573fec9a6
Unurlifying a datatype; longjmp-based error signaling mechanism
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Tue, 29 Jul 2008 15:25:42 -0400 |
| parents | a991431b77eb |
| children | 25b169416ea8 |
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--- a/src/cjr_print.sml Tue Jul 29 14:28:44 2008 -0400 +++ b/src/cjr_print.sml Tue Jul 29 15:25:42 2008 -0400 @@ -211,7 +211,7 @@ newline, string "struct", space, - string ("_lwd_" ^ x ^ "_" ^ Int.toString n), + string ("__lwd_" ^ x ^ "_" ^ Int.toString n), space, string "{", newline, @@ -451,34 +451,48 @@ fun doEm xncs = case xncs of - [] => string "Uh oh" - | (x, n, to) :: rest => - box [string "(!strcmp(request, \"", - string x, - string "\") ? ({", + [] => string ("(lw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)") + | (x', n, to) :: rest => + box [string "((!strncmp(request, \"", + string x', + string "\", ", + string (Int.toString (size x')), + string ") && (request[", + string (Int.toString (size x')), + string "] == 0 || request[", + string (Int.toString (size x')), + string "] == '/')) ? ({", newline, + string "struct", + space, string ("__lwd_" ^ x ^ "_" ^ Int.toString i), space, - string "__lw_tmp;", + string "*__lw_tmp = lw_malloc(ctx, sizeof(struct __lwd_", + string x, + string "_", + string (Int.toString i), + string "));", newline, - string "__lw_tmp.tag", + string "__lw_tmp->tag", space, string "=", space, - string ("__lwc_" ^ x ^ "_" ^ Int.toString n), + string ("__lwc_" ^ x' ^ "_" ^ Int.toString n), string ";", newline, string "request", space, string "+=", space, - string (Int.toString (size x)), + string (Int.toString (size x')), string ";", newline, + string "if (request[0] == '/') ++request;", + newline, case to of NONE => box [] - | SOME t => box [string "__lw_tmp.data.", - string x, + | SOME t => box [string "__lw_tmp->data.", + string x', space, string "=", space,