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410 Commits

Author SHA1 Message Date
greg
a99a5f10a4 Indicate index explicitly in SymbolTable debug 2018-10-15 19:37:02 -07:00
greg
80eb703f5e Finally got get_doc hookup in codegen macro working 2018-09-29 01:20:31 -07:00
greg
4fccff5e27 Working on improved proc_macro handling 2018-09-27 04:07:42 -07:00
greg
5d4505241a get rid of completed todo 2018-09-22 00:26:38 -07:00
greg
f67793308e Part of the work for a doc handler 2018-09-22 00:24:27 -07:00
greg
693766fa59 Proc macros are stable now 2018-09-21 19:46:31 -07:00
greg
1abbe2e448 Add guard to Alternative 
The semantics are:
    -if tag is Some(_), assume the condition is a constructor,
    and compare tags
    - if guard is Some(_), evaluate true/false *after* having
    applied any bound variables

With this, I can technically get rid of bare conditionals now, since
they are the same as an Alternative with a None tag
 2018-08-27 12:45:08 -07:00
greg
065bdd6bda Starting custom operators 
Can now parse custom operators. Maybe I want to make it so that you
have to put explicit backticks if you define a custom operator,
currently you can just do: fn +() { .. }
 2018-08-24 16:49:59 -07:00
greg
e125e8b440 Add spaceship operator for getting an ord 2018-08-24 16:29:28 -07:00
greg
8565c7dfb3 Some work on reduced ast pattern 2018-08-24 16:04:18 -07:00
greg
f885d5dfb6 Remove type alias 2018-08-22 23:22:08 -07:00
greg
b85725125c Start using HalfExp 2018-08-22 16:41:31 -07:00
greg
2d961d6402 Fix other pattern parsing bugs 2018-08-21 20:02:10 -07:00
greg
fa7b6ce96b Handle negatives in patterns correctly 2018-08-21 19:57:45 -07:00
greg
1d5e5aa735 Some type renaming in builtins 
Builtins will remain entirely separate from the actual type
representation, whatever that ends up being
 2018-08-19 22:00:20 -07:00
greg
2c298c7247 Add warning for undefined operator 
In practice this will probably always not typecheck, but it's a valid
parse
 2018-08-19 21:40:30 -07:00
greg
f00fee0e37 Rename StateStack -> ScopeStack 2018-08-19 21:31:45 -07:00
greg
0d13b5e3bc Preliminary support for binops in if-discriminators 
The BNF grammar is a bit more liberal than any successfully-compiled
schala program should be, in that it allows things like `if x < is
pattern`. It's okay if that parses successfully and then is an error at
typechecking.
 2018-08-19 21:25:07 -07:00
greg
98f597f00a Implement comparison operators correctly 2018-08-19 21:11:43 -07:00
greg
fb71881409 Refactor binop parsing 2018-08-19 20:33:50 -07:00
greg
d1c3b4a81b Starting on halfexprs / binops 2018-08-19 18:44:54 -07:00
greg
f9181b5786 use expr_or_block where appropriate 2018-08-19 15:58:31 -07:00
greg
0e914cf057 Error message for parsing guards 2018-08-19 15:12:34 -07:00
greg
04ea8c5ebc More unused code removal 2018-08-19 15:06:01 -07:00
greg
492ef4ae19 Clear up some unused code to reduce compile noise 
And add some notes to the README
 2018-08-19 15:03:41 -07:00
greg
75a7a4499d Added some more cases to the match handling 2018-08-19 10:53:43 -07:00
greg
97bee58fbe More work with guards 2018-08-15 22:34:04 -07:00
greg
34c2b43371 More work on if matching 2018-08-15 18:32:44 -07:00
greg
88b617de52 More atlernatives work 2018-08-15 11:44:55 -07:00
greg
482674b19a Start on expr_or_block 
WIP doesn't work yet
 2018-08-15 09:34:00 -07:00
greg
a72b387ceb Remove some more dead code warnings 2018-08-14 23:19:27 -07:00
greg
864e932e9f Getting rid of more unused items 2018-08-14 23:09:11 -07:00
greg
d7e73be44c Getting rid of some unused warnings 2018-08-14 23:07:00 -07:00
greg
0c0690e86e Provide error message here 2018-08-14 21:53:57 -07:00
greg
6d18f80185 Use Result in test 2018-08-14 21:46:48 -07:00
greg
6825de3916 new_frame -> new_scope 2018-08-14 21:45:45 -07:00
greg
1b78fbff82 Tests for basic pattern matching 2018-08-14 21:39:33 -07:00
greg
897c1181a9 Basic pattern matching working 2018-08-14 21:17:43 -07:00
greg
6833bc4f00 Start on CaseMatch eval 2018-08-14 12:43:06 -07:00
greg
f2ded78776 ReducedAST: Match -> CaseMatch 
makes it easier to grep for
 2018-08-14 12:37:18 -07:00
greg
9debdd8d66 Primitive tuple 2018-08-14 02:03:05 -07:00
greg
8067c862f3 Switch out types for evaluator 2018-08-14 00:11:13 -07:00
greg
f9c2fc3f9d Make code more concise 2018-08-07 17:09:53 -07:00
greg
5ead1e5d44 NewConstructor -> Constructor 2018-08-05 19:14:02 -07:00
greg
348a6f7c76 More work on pattern-matching 
I think I need to entirely change the types in the evaluator.
ReducedAST should only care about NewConstructor (which I gotta rename),
and the evaluator is the only place that an implementation of a
primitive constructed type should live (see Peyton-Jones implementing a
functional langauge p. 70)
 2018-08-05 19:11:42 -07:00
greg
5f336ec1a9 Add lookup_by_name to symbol table 2018-08-05 18:19:48 -07:00
greg
da59fae0d3 More work on pattern-matching 2018-08-05 18:01:42 -07:00
greg
5b5689accf Changing representation of primitive objects 2018-08-05 17:15:58 -07:00
greg
32acf89814 New Constructor 2018-08-05 16:04:52 -07:00
greg
c637a922a9 Start implementing constructors/matches 
as per Implementing Functional Programming Languages by Peyton-Jones
 2018-08-05 14:23:08 -07:00
greg
42d0aba21c Add index of variants to symbol table 
Also new prelude type, just for testing
 2018-08-05 13:59:13 -07:00
greg
bc6d4d19b5 reduced ast match 2018-07-26 00:52:46 -07:00
greg
a2b1b0f953 Pattern-matching in reduced AST 2018-07-26 00:52:46 -07:00
greg
75bf4b5697 Fill out variants to be reduced 2018-07-26 00:52:46 -07:00
greg
98e812968b Fix parsing additional options 2018-07-26 00:52:46 -07:00
greg
250c486143 Fix derive code 2018-07-26 00:52:46 -07:00
greg
38eb065511 Broken proc macro custom derive code 2018-07-26 00:52:46 -07:00
greg
4ca57e4aea Change name of debug options struct 2018-07-26 00:52:46 -07:00
greg
82502ad0ad Move some parsing code around 2018-07-26 00:52:46 -07:00
greg
7d68b2a05a Get rid of code related to old match stuff 2018-07-26 00:52:46 -07:00
greg
c2db212c78 Some more guard arm stuff + dealing with split binexp 
... in if-blocks. Need to do some re-architecture I think
 2018-07-26 00:52:46 -07:00
greg
837a180b09 Starting work on guard arms 2018-07-26 00:52:46 -07:00
greg
5ecd298e6a Record Pattern 2018-07-26 00:52:46 -07:00
greg
8aa33d0872 Starting on guards 2018-07-26 00:52:46 -07:00
greg
21a8868bcf Fixed test 2018-07-26 00:52:46 -07:00
greg
5a91957fa1 Some incomplete parse work 2018-07-26 00:52:46 -07:00
greg
176d43e56f Remove old comment 2018-07-26 00:52:46 -07:00
greg
90ecde89c9 Mutable types 2018-07-26 00:52:46 -07:00
greg
65c2cd521b Mutable types 
This bit of syntax is meant for extendable enum types
 2018-07-26 00:52:46 -07:00
greg
f7dbbddad1 Let and let mut syntax 2018-07-26 00:52:46 -07:00
greg
43ff08b04c Add some debugging info around parse error 2018-07-26 00:52:46 -07:00
greg
00692aa89e Support for underscores 2018-07-26 00:52:46 -07:00
greg
5e48eb2dee Broken - some pass abstraction work 2018-07-26 00:52:46 -07:00
greg
3597ad4eef Compact parsing 2018-07-26 00:52:46 -07:00
greg
072eab1a80 Thread debug opts around where they need to be 2018-07-26 00:52:46 -07:00
greg
55a8cabd7c Some basic pattern stuff 2018-07-26 00:52:46 -07:00
greg
3c022fc4ef Clarified BNF 2018-07-26 00:52:46 -07:00
greg
0a02c21e70 Some more Patterns work 
-at first brush, a pattern is like a single Variant with a list of free
vars
 2018-07-26 00:52:46 -07:00
greg
927f427a86 Starting work on patterns 2018-07-26 00:52:46 -07:00
greg
005aba7a10 Test alt form 2018-07-26 00:52:46 -07:00
greg
7882e92ab5 Fix old style if 2018-07-26 00:52:46 -07:00
greg
f582ab4eaa Test for new style parsing 2018-07-26 00:52:46 -07:00
greg
f2dce38647 Broken, but compiling, move to new if paradigm 2018-07-26 00:52:46 -07:00
greg
ba4cd9da39 Kill match keyword + data structures 
And add new unified keywords
 2018-07-26 00:52:46 -07:00
greg
654eeef428 Clarified grammar BNF some 2018-07-26 00:52:46 -07:00
greg
a96fbc9592 Fix match expression parsing 2018-07-26 00:52:46 -07:00
greg
196954326e Print bare data constructor 2018-07-26 00:52:46 -07:00
greg
3f2fff276c Constructor eval 2018-07-26 00:52:46 -07:00
greg
ebcea685f3 Fix looking up functions 2018-07-26 00:52:46 -07:00
greg
3b9084810e Add constructor reduced ast node; fix test 2018-07-26 00:52:46 -07:00
greg
7809cda240 Pass symbol_table to ast reduce 
To distinguish between values and data constructors
 2018-07-26 00:52:46 -07:00
greg
f1679e83b7 Start trying to fix tests 2018-07-26 00:52:46 -07:00
greg
f98d8e2bb0 Move AST into its own module 2018-07-26 00:52:46 -07:00
greg
d0a0cc8209 Rename ast_reducing -> reduced_ast 2018-07-26 00:52:46 -07:00
greg
5aa0e10e7a Some ADT work 2018-07-26 00:52:46 -07:00
greg
27729cefdf Some improvements to the thing 2018-07-26 00:52:46 -07:00
greg
df76e7c120 Pretty-print type table 2018-07-26 00:52:46 -07:00
greg
889610f0b0 Pretty-print Symbol Table 2018-07-26 00:52:46 -07:00
greg
3beabf4678 Start eval-ing data constructors 2018-07-26 00:52:46 -07:00
greg
25790f8643 Added super-janky prelude capability 2018-07-26 00:52:46 -07:00
greg
ff5446af3f Add symbols from symbol table into global type context 2018-07-26 00:52:46 -07:00
greg
5d84153c9e Want bin expressions typed soon 2018-07-26 00:52:46 -07:00
greg
0b0f6b6b50 Symbol table handles functions better 2018-07-26 00:52:46 -07:00
greg
856a360aba Types need handle to symbol table 2018-07-26 00:52:46 -07:00
greg
81ca9ee20f Add some data structures back 2018-07-26 00:52:46 -07:00
greg
4caf8096b3 Add Scheme, TypeEnv, Substitution data structs 2018-07-26 00:52:46 -07:00
greg
c65907388d Some ADT work 2018-07-26 00:52:46 -07:00
greg
33c22c8bbc Typecheck values 2018-07-26 00:52:46 -07:00
greg
4a27af2136 Add a super-basic test 2018-07-26 00:52:46 -07:00
greg
07af54b78a More work 2018-07-26 00:52:46 -07:00
greg
c4666b82ec Basics 2018-07-26 00:52:46 -07:00
greg
274dd1ccb0 Basic stuff 2018-07-26 00:52:46 -07:00
greg
70ec79c4b3 Lol starting over from scratch again 
H-M is hard :/
 2018-07-26 00:52:46 -07:00
greg
f88d2331e3 printf debugs for problems with function typing 2018-07-26 00:52:46 -07:00
greg
c8f961abbf Functions 2018-07-26 00:52:46 -07:00
greg
d040d76bfa Start handling function case 2018-07-26 00:52:46 -07:00
greg
887ba46b0b Fix this thing 2018-07-26 00:52:46 -07:00
greg
a80db9e4c2 Debug types 
WIP
 2018-07-26 00:52:46 -07:00
greg
c986233a95 Adding bindings seems to work? 
I'm playing real fast and loose though
 2018-07-26 00:52:46 -07:00
greg
bb29df4a73 Variable binding insertion infrastructure 2018-07-26 00:52:46 -07:00
greg
4db3595d7c More work on variables 2018-07-26 00:52:46 -07:00
greg
217ee73fc9 Literals 2018-07-26 00:52:46 -07:00
greg
93309c025e Some work 2018-07-26 00:52:46 -07:00
greg
b67512a9e1 Add Infer struct 2018-07-26 00:52:46 -07:00
greg
8e6f605fab Type alias "TypeName" 2018-07-26 00:52:46 -07:00
greg
ba4185b0fb Back to including typechecking code in pipeline 2018-07-26 00:52:46 -07:00
greg
7a2a4df297 Clearing out most of the cruft from typechecking 2018-07-26 00:52:46 -07:00
greg
642e9da8ee Move everything symbol-table-related into a separate module 2018-07-26 00:52:46 -07:00
greg
cea7427847 put TypeEnvironment on TypeContext 2018-07-26 00:52:46 -07:00
greg
3156c31dfc Variable lookup 2018-07-26 00:52:46 -07:00
greg
2e457cd5e8 First real inferring 2018-07-26 00:52:46 -07:00
greg
843d895f2b infer infra 2018-07-26 00:52:46 -07:00
greg
734c53ce0d Starting to deal with actual expr inferring 2018-07-26 00:52:46 -07:00
greg
3a3b8dd440 TypeEnvironment lives in Infer 2018-07-26 00:52:46 -07:00
greg
c96a56a7ac fresh 2018-07-26 00:52:46 -07:00
greg
4017857a3a Unification 2018-07-26 00:52:46 -07:00
greg
9e0f8b8a14 InferError 2018-07-26 00:52:46 -07:00
greg
7121624f77 Type Env 2018-07-26 00:52:46 -07:00
greg
48e795decc apply_substitution for PolyTypes 
If I made an error it's likely here...
 2018-07-26 00:52:46 -07:00
greg
a26da934f4 Substitution monotypes 2018-07-26 00:52:46 -07:00
greg
1de1cd9cfd For H-M, add types and some impls 2018-07-26 00:52:46 -07:00
greg
6f639b9030 Type type structure 2018-07-26 00:52:46 -07:00
greg
8f0104ebc7 Deletion 2018-07-26 00:52:46 -07:00
greg
36cd7e080d Even more deletions 2018-07-26 00:52:46 -07:00
greg
f48a25779c Lol just get rid of all the old code, start from scratch again 2018-07-26 00:52:46 -07:00
greg
808a1bfc98 Still more deletions 2018-07-26 00:52:46 -07:00
greg
c7e46c1cfa KIll any commented code 2018-07-26 00:52:46 -07:00
greg
98cfcfc18d Eval shouldn't be aware of types 2018-07-26 00:52:46 -07:00
greg
b4c7ea3d02 Show bindings too in debug 2018-07-26 00:52:46 -07:00
greg
e7c89ed840 Some more refactoring 2018-07-26 00:52:46 -07:00
greg
b0e38f7f5b Refactor 2018-07-26 00:52:46 -07:00
greg
276662d98a Some code rearrangements 2018-07-26 00:52:46 -07:00
greg
e8e9265b26 Use less verbose match syntax 2018-07-26 00:52:46 -07:00
greg
cb316a973e Getting back to hindley-milner 
First, clear out some of this cruft in the compiler warnings
 2018-07-26 00:52:46 -07:00
greg
e64861b602 Some eval tests 2018-07-26 00:52:46 -07:00
greg
1673fd1cf9 Fix test 2018-07-26 00:52:46 -07:00
greg
c00effcbdd Add _ 2018-07-26 00:52:46 -07:00
greg
8378170fbd Kill comments 2018-07-26 00:52:46 -07:00
greg
7ab385d398 Bring custom ADTs to the repl 2018-07-26 00:52:46 -07:00
greg
9fb148bb02 Make compile again 2018-07-26 00:52:46 -07:00
greg
97df2fa344 I dunno 2018-07-26 00:52:46 -07:00
greg
a08134a747 Delete old code in eval 2018-07-26 00:52:46 -07:00
greg
3ac50f974d Pass around reference to type context in evaluator 2018-07-26 00:52:46 -07:00
greg
afc4281e7f Evaluate function arguments in context before applying them 2018-07-26 00:52:46 -07:00
greg
8d6fea942f Handle function definition before use 
And some other ReducedAST - Evaluation niceties
 2018-07-26 00:52:46 -07:00
greg
6d93c758a2 Add function to symbol table 2018-07-26 00:52:46 -07:00
greg
aff421cd99 Working with symbol table 
Note that symbol table is a different object now than the previous
binding table that was used for type-checking. That binding table is not
currently debugged and should be debugged in a separate debug output with
typechecking proper.
 2018-07-26 00:52:46 -07:00
greg
493d76da0b Add symbol table data structure to typechecking 2018-07-26 00:52:46 -07:00
greg
eb681fbff9 Make parse error message nicer 2018-07-26 00:52:46 -07:00
greg
f3e3843528 Decomplexify delimited! 2018-07-26 00:52:46 -07:00
greg
6b90e19eb1 Simplify expect! macro 
Ends up printing a debug print, but whatever, will fix later
 2018-07-26 00:52:46 -07:00
greg
210ae47c8b Get rid of lambda 2018-07-26 00:52:46 -07:00
greg
70794d8ff1 For expression parsing 2018-07-26 00:52:46 -07:00
greg
532c8c45b4 Parse while expressions 
Decided to add while expressions to the language to make for-parsing
easier. Plus some other random notes
 2018-07-26 00:52:46 -07:00
greg
24b532df06 This doesn't need to be a closure 2018-07-26 00:52:46 -07:00
greg
ac576be604 Trim newline in getline() 
Ineffiicent but whatever
 2018-07-26 00:52:46 -07:00
greg
6bf106a1a3 Equality 2018-07-26 00:52:46 -07:00
greg
44e585fca2 Conditionals 2018-07-26 00:52:46 -07:00
greg
3f836eb74f Kill some warnings 2018-07-26 00:52:46 -07:00
greg
abf25d648d Change repl behavior of strings 2018-07-26 00:52:46 -07:00
greg
1f6e6d9b31 Tuples 2018-07-26 00:52:46 -07:00
greg
e2703121d8 Kill unneeded import 2018-07-26 00:52:46 -07:00
greg
e5b6b41422 Error msg 2018-07-26 00:52:46 -07:00
greg
6c5e3dea5d Assignment 2018-07-26 00:52:46 -07:00
greg
bd8bf1945c Super simple janky input 2018-07-26 00:52:46 -07:00
greg
9e393d2753 Kill old type structure 2018-07-26 00:52:46 -07:00
greg
822420a9d5 Add an eval test 2018-07-26 00:52:46 -07:00
greg
6f8dc9bedd rename IntLiteral -> NatLiteral 2018-07-26 00:52:46 -07:00
greg
e0cec8b8a6 print, println as builtins 2018-07-26 00:52:46 -07:00
greg
1a84f62818 Kill some old code, make very_simple example print 2018-07-26 00:52:46 -07:00
greg
b1966d7199 Function calling works kind of 2018-07-26 00:52:46 -07:00
greg
fdbb21990d Retrieve function from memory when called 2018-07-26 00:52:46 -07:00
greg
1011ff08f3 Use new rust 1.26 less verbose syntax 2018-07-26 00:52:46 -07:00
greg
6d8d2aecbd Functions 2018-07-26 00:52:46 -07:00
greg
848306ad1a Reduce defined function 2018-07-26 00:52:46 -07:00
greg
e6f0710e41 Debug ast rewrite 2018-07-26 00:52:46 -07:00
greg
78ba4e1ed3 Variable lookup 2018-07-26 00:52:46 -07:00
greg
481afb0f87 Fix debugging and debug eval 2018-07-26 00:52:46 -07:00
greg
01986e7474 starting bindings 2018-07-26 00:52:46 -07:00
greg
9cf5260d4b Use impl Trait to simplify type signatures 2018-07-26 00:52:46 -07:00