Commit graph

25 commits

Author SHA1 Message Date
Evan Czaplicki
9dd5dff279 Make AST more general and try to give its phases better names
Also change the constructors for the Pattern ADT
2014-02-10 00:17:33 +01:00
Evan Czaplicki
a97b9951d0 Add checks for port types to ensure that only JS values go through ports and that type annotations are correct and consistent 2014-01-05 10:41:40 +01:00
Evan Czaplicki
c966776788 Add -W flag to many files, mostly getting rid of dead imports 2014-01-04 10:54:46 +01:00
Evan Czaplicki
2874797ddb Go to original error style. I think it's nicer. 2013-12-19 14:45:52 -08:00
Evan Czaplicki
f73a6ff9f9 Add an occurs check to finally resolve #294
Add it in the more clever location suggested by Pottier and Remy. Also
change the style of error messages to get rid of the expected/actual
problem for now, and make hints read more smoothly.
2013-11-19 22:31:38 -08:00
Evan Czaplicki
b5979b4aaf Add occurs check and a test to make sure it works 2013-08-19 22:39:41 -07:00
Evan Czaplicki
a3f62bdd14 style tweaks 2013-08-12 14:29:38 -07:00
Evan Czaplicki
3ef5284afd Stop using the MultiWayIf extension 2013-07-30 22:57:13 -07:00
Evan Czaplicki
8006d8e54a Report line numbers in type errors 2013-07-30 16:22:20 -07:00
Evan Czaplicki
b1f53d04ed Pipe source locations through the type checker 2013-07-30 16:01:20 -07:00
Evan Czaplicki
ebcaad0004 Fix possibility of calling maximum on empty lists 2013-07-26 19:39:12 +02:00
Evan Czaplicki
0db809ff4c Switch formatting for language pragmas 2013-07-25 20:34:04 +02:00
Evan Czaplicki
9fe6c9a564 Change functions for creating type variables, distinguish names of different constraint type variables 2013-07-25 18:07:04 +02:00
Evan Czaplicki
666d9f8ca3 Assume all variables with the "Native." prefix exist and have type "a" 2013-07-25 01:23:30 +02:00
Evan Czaplicki
ca4502b70a Save the current environment on CSaveEnv 2013-07-19 18:03:28 +02:00
Evan Czaplicki
26738907c6 Make error message in solver slightly more specific 2013-07-19 12:41:37 +02:00
Evan Czaplicki
901179c10f Marginally better errors when a variable is undefined. 2013-07-17 19:30:40 +02:00
Evan Czaplicki
67ef1ec77b Create the Type.Inference module which handles type inference from
start to finish. Give it a Module and it returns a dictionary mapping
top-level values to types.
2013-07-16 00:38:31 +02:00
Evan Czaplicki
b0387821b4 Fix error in generalization in which some variables would escape their
rank. Problem was that young variables were not all being marked as
young.

This resolved a soundness issue described in the post on
"How OCaml type checker works".
2013-07-12 11:00:35 +02:00
Evan Czaplicki
ca77056fc9 Improve quality of error messages. 2013-07-11 00:31:56 +02:00
Evan Czaplicki
b5887f41c9 Get type inference working in the basic case. Begin working on
printing errors in a prettier way.
2013-07-10 14:31:57 +02:00
Evan Czaplicki
497d478d26 Get the solver working on basic programs. It outputs pretty types for the
variables in the program. Need to test further and start doing some benchmarking.
2013-07-09 21:52:05 +02:00
Evan Czaplicki
ca62ee64a9 Create type pools, have an organized model of state to flow through
the State Transformer during constraint solving and variable unification.
2013-07-09 10:25:50 +02:00
Evan Czaplicki
b87b84556c Move the Environment.hs and Fragment.hs files down a directory. 2013-07-07 12:54:05 +02:00
Evan Czaplicki
ca8441ff2f Continue getting the new type-checker in order. 2013-07-07 12:52:48 +02:00