Commit Graph

1279 Commits

Author SHA1 Message Date
greg
298194c42d Finish support for assignment operators 2017-09-19 22:10:59 -07:00
greg
23d2209d8b Implementing a few more operators
WIP - not done
2017-09-19 22:10:59 -07:00
greg
4cf165b408 Use buffered reader for stdout
Not sure ifthis is actually helping
2017-09-19 22:10:59 -07:00
greg
154839979b Add nicer handle_builtin method 2017-09-19 22:10:59 -07:00
greg
6741787852 Update references in README 2017-09-19 22:10:59 -07:00
greg
538f0b18f4 Evaluate while loop 2017-09-19 22:10:59 -07:00
greg
dc81d237c5 Reduce re-allocations in eval 2017-09-19 22:10:58 -07:00
greg
8651839a66 Getting rid of some newlines - concision 2017-09-19 22:10:58 -07:00
greg
f6e5ea250d Convert while_expr to delimiter_block! too 2017-09-19 22:10:58 -07:00
greg
9801f53a17 Moved conditionals to delimiter_block! syntax 2017-09-19 22:10:58 -07:00
greg
db92292569 Fixed all tests 2017-09-19 22:10:58 -07:00
greg
e1ce54aece Add delimiter_block macro 2017-09-19 22:10:58 -07:00
greg
c227ad656f Parser simplifications, renames, etc. 2017-09-19 22:10:58 -07:00
greg
b45d09e81a Don't need this reference 2017-09-19 22:10:58 -07:00
greg
761500b9d6 Some cleanups in Parser
-get rid of some use statements
-mkae error messages better
2017-09-19 22:10:58 -07:00
greg
e888e82404 Remove some unnecessary destructurings of Rc<String> 2017-09-19 22:10:58 -07:00
greg
328ec4ba87 Convertd like half the Strings to RC
-still need to eliminate some clones in eval, parse
+ fix all the tests
2017-09-19 22:10:58 -07:00
greg
4a7b570603 Parser changes - add precedences, move definitions
Move impls of Display for AST subtypes closer to where they are defined
2017-09-19 22:10:58 -07:00
greg
7eb48fb4ef Working on compilation again 2017-09-19 22:10:58 -07:00
greg
8ebf1b3056 Add parser support for while statements 2017-09-19 22:10:58 -07:00
greg
905431b33c Change name: ASTNode -> Statement 2017-09-19 22:10:58 -07:00
greg
2996198eff lookup_binding only needs &str 2017-09-19 22:10:58 -07:00
greg
06771979df Function bodies can contain statements now 2017-09-19 22:10:58 -07:00
greg
f158b6c712 Converted to multiple-evaluator logic
Now I have (basically) full single-step evaluation and it works fine
2017-09-19 22:10:58 -07:00
greg
ba8f67441f Conditionals - handle delimiters correctly 2017-09-19 22:10:58 -07:00
greg
872e9ce7ee Make function binding a SideEffect 2017-09-19 22:10:58 -07:00
greg
2722533efd Prove recursion works 2017-09-19 22:10:58 -07:00
greg
edf342e65a Add == operator 2017-09-19 22:10:58 -07:00
greg
27d4c2ccbd No references in pattern-matching 2017-09-19 22:10:58 -07:00
greg
6794d22f1d Run rustfmt on eval.rs, parser.rs 2017-09-19 22:10:58 -07:00
greg
1858d26638 Add comparison operators
+  make operator evaluation more concise
2017-09-19 22:10:58 -07:00
greg
84fbe73cf6 Add Lambda type
And change name FuncNode -> FuncDefNode

Now function definition nodes reduce to a Lambda, which is not
reducible.
2017-09-19 22:10:58 -07:00
greg
ad994c38ae Test simplification 2017-09-19 22:10:58 -07:00
greg
48343d3fad Tightened tokenization tests 2017-09-19 22:10:58 -07:00
greg
4f8ff35d0f fixed bug with ends_identifier 2017-09-19 22:10:58 -07:00
greg
b210ad5e19 Added links to README 2017-09-19 22:10:58 -07:00
greg
7311d0311f Simplify pattern a little bit 2017-09-19 22:10:58 -07:00
greg
1b59c264b4 Use itertools peeking_take_while
Cuts down on lines in the tokenizer
2017-09-19 22:10:58 -07:00
greg
b2e453a9de Rewrite of tokenizer 2017-09-19 22:10:58 -07:00
greg
59226eb731 Ran rustfmt on parser.rs 2017-09-19 22:10:58 -07:00
greg
297003c0b0 Operator only needs to be a tuple struct 2017-09-19 22:10:58 -07:00
greg
e5ee072b00 Convert tokenizer to large match statement
In the hopes of making it shorter
2017-09-19 22:10:58 -07:00
greg
9b62efc830 Fix conditional parsing
Needed to account for semicolons/newlines. Maybe need to generalize
delimiter-separated list of things
2017-09-19 22:10:58 -07:00
greg
f626ca1427 Add test for conditional parsing 2017-09-19 22:10:57 -07:00
greg
82c52ede48 Finish evaluating conditionals 2017-09-19 22:10:57 -07:00
greg
7f52b20d97 Conditional eval partway implemented
Need to change the AST representation to support compound statements I
think
2017-09-19 22:10:57 -07:00
greg
12fee6158c Vector'd expressions don't need to be boxed 2017-09-19 22:10:57 -07:00
greg
2d21de7cc3 Added support for conditionals to parser
Not to eval yet
2017-09-19 22:10:57 -07:00
greg
9cc9c5977d Fixed evaluation of function calls
This bit still isn't quite small-step but maybe that's okay for
functions
2017-09-19 22:10:57 -07:00
greg
ed9d1312d1 Change representation of variables 2017-09-19 22:10:57 -07:00