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475 Commits

Author SHA1 Message Date
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
greg 29d9e50311 All environment changes represented explicitly 
Start the work of rewriting the evluator to be a true small-step
evaluator - that is, all state changes are represented explicitly as
SideEffect types, and not as methods called on the evaluator, except at
the very top of the evaluation loop
 2017-09-19 22:10:57 -07:00
greg e84550f3ec Kill two compilation warnings 2017-09-19 22:10:57 -07:00
greg 3063de1242 Run rustfmt on the rest of them 2017-09-19 22:10:57 -07:00
greg e1d07b4e66 Rustfmt on llvm_wrap 2017-09-19 22:10:57 -07:00