Commit Graph

1635 Commits

Author SHA1 Message Date
greg 8fcc850d77 Added else clause to if parsing 2017-09-19 22:10:52 -07:00
greg f421918945 basic if expression 2017-09-19 22:10:52 -07:00
greg 0e4469fa58 Filled out keyword tokenizing 2017-09-19 22:10:52 -07:00
greg edf100b583 Starting to do if statement parsing 2017-09-19 22:10:52 -07:00
greg 169e662049 Collapse Separator tokens
only ever gonna be one in a row
2017-09-19 22:10:52 -07:00
greg 46999beabf Added skeleton of expression() parser 2017-09-19 22:10:52 -07:00
greg 1342a76786 Added support for interpreter directives 2017-09-19 22:10:52 -07:00
greg 05238bced3 rhs production 2017-09-19 22:10:52 -07:00
greg a97cce184c Empty program is valid too 2017-09-19 22:10:52 -07:00
greg 1ae61287c1 Editing Grammar
to indicate what portion of it is now parsed
2017-09-19 22:10:52 -07:00
greg 329c521964 Parsing statement blocks works 2017-09-19 22:10:52 -07:00
greg bfa16fd6fb Added Keyword lexical class 2017-09-19 22:10:52 -07:00
greg 25f5188d8c Move definition around 2017-09-19 22:10:52 -07:00
greg 5213dd327f Change type to peekable 2017-09-19 22:10:52 -07:00
greg cea29094cd type alias for Tokens 2017-09-19 22:10:52 -07:00
greg 67eafba97a Put expect into early return macro 2017-09-19 22:10:52 -07:00
greg 1059a88ee6 Separate parsing into module 2017-09-19 22:10:52 -07:00
greg 429ace73bd Move tokenizing into separate module 2017-09-19 22:10:52 -07:00
greg 044e7a6a26 Rename ASTNode -> AST
saves typing
2017-09-19 22:10:52 -07:00
greg dbdae42c1b Add string to AST 2017-09-19 22:10:52 -07:00
greg fc3dcf792d Start writing recursive descent parser
I think I get the idea now
2017-09-19 22:10:52 -07:00
greg 02b34ca105 Wrote expect()
Hopefully correctly?
2017-09-19 22:10:52 -07:00
greg 1e9cd551a6 Add grammar of language to repo
Preliminary, work in progress
2017-09-19 22:10:52 -07:00
greg 9f4330889a Starting parsing work 2017-09-19 22:10:52 -07:00
greg 3058af4f05 Break on ctrl-D 2017-09-19 22:10:52 -07:00
greg 4f17d5a0dc Add number tokenizing 2017-09-19 22:10:52 -07:00
greg 8e3774ffca Comma as separate token 2017-09-19 22:10:52 -07:00
greg c6059ada7d Separators and parens
Separator = ; or \n, they are equivalent
2017-09-19 22:10:52 -07:00
greg b5ee45f639 null is also a keyword 2017-09-19 22:10:51 -07:00
greg 04f53b6beb Added some grammar sketch ideas to the readme 2017-09-19 22:10:51 -07:00
greg 2aaa600d53 More tokenizer stuff 2017-09-19 22:10:51 -07:00
greg c6a92728ee Scaffolding for evaluation function 2017-09-19 22:10:51 -07:00
greg b2e23bed86 Print tokens and parse 2017-09-19 22:10:51 -07:00
greg 3fdacf018e Basic repl 2017-09-19 22:10:51 -07:00
greg 6098bf84d6 Initial commit 2017-09-19 22:10:51 -07:00