greg
d4ad97b39a
start preparing to get rid of symbol_table.lookup_by_name
2019-03-10 17:32:47 -07:00
greg
24213070a3
Delete useless comment
2019-03-10 17:29:02 -07:00
greg
051669b4cc
Stuff pertaining to variant scoping
2019-03-10 17:24:58 -07:00
greg
c64f53a050
Detect duplicate variable declarations correctly
...
Later I'll probably want to make it so that you can explicitly override
the value of a declared variable
2019-03-10 17:02:01 -07:00
greg
8f176543c7
Nested scopes in symbol table
2019-03-10 16:04:20 -07:00
greg
9716b5e55b
Symbol table detects some duplicate symbols
2019-03-08 03:57:32 -08:00
greg
956353cd80
Move rc! macro to util
...
So it can be used anywhere
2019-03-08 01:15:19 -08:00
greg
98db60498a
Add very basic symbol table test shim
2019-03-07 23:51:31 -08:00
greg
7694afc9e2
Add type for talking about symbol paths
...
to symbol table
2019-03-07 20:45:12 -08:00
greg
0bcd7e6f41
Add new_env method
...
This is basically the same as the one on the evaluator and makes use of
the ScopeStack - maybe need to generalize this more?
2019-02-27 02:15:19 -08:00
greg
d515b1658a
Some fixes
2019-02-24 16:24:45 -08:00
greg
e501f4bd10
Various cleanup of comments, stringifying types
2019-02-23 09:59:41 -08:00
greg
5bac01cf20
More boilerplate for apply
2019-02-23 03:55:46 -08:00
greg
0e9b3229e9
Refactor Arrow; add general handle_apply
2019-02-23 03:33:56 -08:00
greg
b709cfd51a
Start adding call
2019-02-23 02:50:11 -08:00
greg
e34295a6f7
Starting on lambda typechecking
2019-02-23 02:45:11 -08:00
greg
8dc34e4b49
Fresh type var
2019-02-23 01:27:32 -08:00
greg
2cc3367666
Unify var-var
2019-02-23 01:20:19 -08:00
greg
452f2ab188
Unify var-const
2019-02-23 01:18:15 -08:00
greg
be175a2b75
Add more infrastructure for unify
2019-02-23 00:59:58 -08:00
greg
00a0de4431
Add ena crate for unification
2019-02-23 00:34:44 -08:00
greg
f041cc17d2
Wrap all Expression nodes in Meta<Expression>
2019-02-21 23:35:18 -08:00
greg
95fe1941a1
Kill some unused items
2019-02-21 18:39:41 -08:00
greg
b35262c444
Rename Node -> Meta
2019-02-21 01:49:15 -08:00
greg
9bb3a2be88
Add type data handle on Node
...
I think the way I want to handle this is a two-step process: first infer and
fill in variables, then unfiy in a separate step. Storing the data in
the AST is handy.
2019-02-21 01:46:27 -08:00
greg
9fa0576547
Rename ExpressionType -> ExpressionKind
2019-02-21 01:26:51 -08:00
greg
6fba0cc5b4
Add variables
2019-02-21 01:17:34 -08:00
greg
a6eb2b4020
Allow type annotations in let expressions
2019-02-20 22:44:45 -08:00
greg
03793e08d3
Typechecking operators
2019-02-20 03:27:46 -08:00
greg
2be55958f4
add Into<String> arg for error constructors
2019-02-20 02:06:58 -08:00
greg
bcf48d0ecb
First tests for typechecking
2019-02-20 01:33:45 -08:00
greg
f0ed63ccf3
Basic if-statement checking
2019-02-19 23:00:41 -08:00
greg
6012bd1087
Variables
2019-02-19 21:41:07 -08:00
greg
df7e74c79d
Types with arguments
2019-02-17 04:31:02 -08:00
greg
abbd02eaef
Use ty! macro
2019-02-17 04:25:38 -08:00
greg
993741e67f
Get rid of typecheck_
2019-02-17 04:08:49 -08:00
greg
fbb7b995b8
Rename mk_type! to ty!
...
Doesn't seem to conflict with the same macro in the parser tests, so should be
ok
2019-02-17 03:38:15 -08:00
greg
9d4f086a04
Put mk_type! in typechecking module
2019-02-17 03:36:12 -08:00
greg
e38ae1c3f1
Fix type to make it compile
2019-02-15 21:11:50 -08:00
greg
d969d573fa
Starting work on values
2019-02-12 21:14:13 -08:00
greg
35da1748f0
Some more type work
2019-02-10 12:21:12 -08:00
greg
5e1799268d
Unification works with bad annotations
2019-02-10 07:32:12 -08:00
greg
42a801d346
Rename Order -> Ordering
2019-02-10 07:06:30 -08:00
greg
a80e1bd706
Type name infra
2019-02-10 07:05:01 -08:00
greg
afd9aa52c5
More infra around unify
2019-02-10 06:53:11 -08:00
greg
5a70784346
Adding unify stub
2019-02-10 06:48:25 -08:00
greg
0dff177e8f
Add more literals kill errors
2019-02-10 05:33:55 -08:00
greg
cf91f74912
Pass through type info to repl
2019-02-10 05:31:58 -08:00
greg
06e9452718
More type infrastructure
...
From here on out, I can start playing with concrete code that attempts
to actually typecheck limited syntactic constructs, and see what I end
up with.
2019-02-10 05:24:11 -08:00
greg
7d3ae36058
AST-walking infrastructure
2019-02-10 04:42:30 -08:00
