annotate tests/nested.ur @ 1739:c414850f206f

Add support for -boot flag, which allows in-tree execution of Ur/Web The boot flag rewrites most hardcoded paths to point to the build directory, and also forces static compilation. This is convenient for developing Ur/Web, or if you cannot 'sudo make install' Ur/Web. The following changes were made: * Header files were moved to include/urweb instead of include; this lets FFI users point their C_INCLUDE_PATH at this directory at write <urweb/urweb.h>. For internal Ur/Web executables, we simply pass -I$PATH/include/urweb as normal. * Differentiate between LIB and SRCLIB; SRCLIB is Ur and JavaScript source files, while LIB is compiled products from libtool. For in-tree compilation these live in different places. * No longer reference Config for paths; instead use Settings; these settings can be changed dynamically by Compiler.enableBoot () (TODO: add a disableBoot function.) * config.h is now generated directly in include/urweb/config.h, for consistency's sake (especially since it gets installed along with the rest of the headers!) * All of the autotools build products got updated. * The linkStatic field in protocols now only contains the name of the build product, and not the absolute path. Future users have to be careful not to reference the Settings files to early, lest they get an old version (this was the source of two bugs during development of this patch.)
author Edward Z. Yang <ezyang@mit.edu>
date Wed, 02 May 2012 17:17:57 -0400
parents 8e9f2d247dba
children
rev   line source
adamc@880 1 table t : {A : int, B : int}
adamc@880 2
adamc@880 3 fun init () =
adamc@880 4 dml (DELETE FROM t WHERE TRUE);
adamc@880 5 dml (INSERT INTO t (A, B) VALUES (1, 2));
adamc@880 6 dml (INSERT INTO t (A, B) VALUES (2, 3))
adamc@880 7
adamc@880 8 fun easy () =
adamc@880 9 queryX' (SELECT MAX(t.A) AS M FROM t)
adamc@880 10 (fn r =>
adamc@880 11 queryX (SELECT * FROM t WHERE t.A = {[r.M]})
adamc@880 12 (fn r => <xml>({[r.T.A]}, {[r.T.B]})</xml>))
adamc@880 13
adamc@880 14 fun hard id =
adamc@880 15 queryX' (SELECT t.B AS N FROM t WHERE t.A = {[id]})
adamc@880 16 (fn r =>
adamc@880 17 b <- hard r.N;
adamc@880 18 return <xml>({[id]}, {[r.N]}); {b}</xml>)
adamc@880 19
adamc@880 20 fun doit () =
adamc@880 21 init ();
adamc@880 22 b1 <- easy ();
adamc@880 23 b2 <- hard 1;
adamc@880 24 return <xml><body>
adamc@880 25 {b1}<br/>
adamc@880 26 {b2}
adamc@880 27 </body></xml>
adamc@880 28
adamc@880 29 fun main () = return <xml><body><form><submit action={doit}/></form></body></xml>