greg
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b1163e2ae4
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Operator-precedence parsing + tests
The tests are crippled now, because it's hard to write a test macro that
can also match on Strings
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2017-09-19 22:10:55 -07:00 |
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greg
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032d01c9f5
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Fix tokenization bug
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2017-09-19 22:10:55 -07:00 |
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greg
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c4ab1ed105
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Fix tokenizer tests
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2017-09-19 22:10:55 -07:00 |
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greg
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9a257f08d7
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Introduce Op type
For operator parsing
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2017-09-19 22:10:55 -07:00 |
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greg
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47d56a7b44
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fix operator parsing
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2017-09-19 22:10:55 -07:00 |
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greg
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1f7ae2e30f
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Paren expression
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2017-09-19 22:10:55 -07:00 |
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greg
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e3c8753a4d
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Expression parsing
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2017-09-19 22:10:55 -07:00 |
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greg
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e1aa7ecb17
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Finish tokenizing Op separately
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2017-09-19 22:10:55 -07:00 |
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greg
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f09a6e14ba
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Tokenizer work to support operators
work in progress but committing to transfer
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2017-09-19 22:10:55 -07:00 |
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greg
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31da25a66e
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Expression parsing work
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2017-09-19 22:10:55 -07:00 |
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greg
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fff9cb7d25
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Fix functin parsing
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2017-09-19 22:10:55 -07:00 |
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greg
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db1e188fdb
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Move grammar to top of file
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2017-09-19 22:10:55 -07:00 |
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greg
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935185ed92
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more parsing
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2017-09-19 22:10:55 -07:00 |
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greg
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0999cbe28e
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More parsing work
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2017-09-19 22:10:55 -07:00 |
|
greg
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674f70a428
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Convert parsing to method-based
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2017-09-19 22:10:54 -07:00 |
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greg
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b1b6672399
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Implement function parsing
With a lot of dummy code, especially around expression parsing
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2017-09-19 22:10:54 -07:00 |
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greg
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bd1c455dc8
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Basic infrastructure parses
Also got rid of EOF, don't need it
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2017-09-19 22:10:54 -07:00 |
|
greg
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b62ef43f07
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Add basic BNF grammar
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2017-09-19 22:10:54 -07:00 |
|
greg
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09b67dc3f7
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Change error message
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2017-09-19 22:10:54 -07:00 |
|
greg
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a613fa73e5
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Basic parsing framework
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2017-09-19 22:10:54 -07:00 |
|
greg
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8c473c554e
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Fix bug
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2017-09-19 22:10:54 -07:00 |
|
greg
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3e04cbfa29
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Add comma tokenization
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2017-09-19 22:10:54 -07:00 |
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greg
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570650cbfa
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Finish keyword tokenization
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2017-09-19 22:10:54 -07:00 |
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greg
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49be163181
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Add test to ignore
For better handing of user-defined operators, which I will do in the
future
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2017-09-19 22:10:54 -07:00 |
|
greg
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b4f93acbd8
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Couple more tests
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2017-09-19 22:10:54 -07:00 |
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greg
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8c65ae3214
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Macro-ize token tests
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2017-09-19 22:10:54 -07:00 |
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greg
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e436533638
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Passing test
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2017-09-19 22:10:54 -07:00 |
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greg
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4601a56867
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Start working on tokenization tests
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2017-09-19 22:10:54 -07:00 |
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greg
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2f7a1850db
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Finish tokenizing
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2017-09-19 22:10:54 -07:00 |
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greg
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71aef379d3
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Tokenize number literals
TODO: expand this bit of code to handle 0x12, etc. syntax
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2017-09-19 22:10:54 -07:00 |
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greg
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8662a3ba0e
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Make tokenize error-able
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2017-09-19 22:10:54 -07:00 |
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greg
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5ca98c7d77
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Print tokeniziation
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2017-09-19 22:10:54 -07:00 |
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greg
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13cde3106c
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Start making tokenizer changes
Hopefully this time iron out all the bugs from the last implementation
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2017-09-19 22:10:54 -07:00 |
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greg
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09d524c74a
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Changing how parsing works again
Someone wrote a port of the LLVM kaleidoscope tutorial to rust, namely
https://github.com/jauhien/iron-kaleidoscope
I'm just gonna follow this along
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2017-09-19 22:10:54 -07:00 |
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greg
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61c36c4def
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Fix assign parsing
= is a keyword not an identifier
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2017-09-19 22:10:54 -07:00 |
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greg
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bc4fbe4276
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Start implementing definition
WIP, doesn't work
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2017-09-19 22:10:54 -07:00 |
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greg
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fc11ee753d
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Add block parsing
Right now evaluating a block reduces it to just the last AST in it, will
fix later with environments
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2017-09-19 22:10:54 -07:00 |
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greg
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dd2b4893a4
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Get rid of Separator token
Have separate newline and semicolon tokens
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2017-09-19 22:10:54 -07:00 |
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greg
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51745fd800
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Make convenience macro for parse errors
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2017-09-19 22:10:54 -07:00 |
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greg
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8c0ac19fa8
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Add full test
Test evaluate, tokenize, parser all at once
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2017-09-19 22:10:54 -07:00 |
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greg
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971ab9ba21
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Implement paren expressions
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2017-09-19 22:10:54 -07:00 |
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greg
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819fb3f58f
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Basic evaluator functionality
Interpreter now works for simple arithmetic expressions
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2017-09-19 22:10:54 -07:00 |
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greg
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1c23329656
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Add boilerplate for evaluation
Just wires everything up, doesn't actually evaluate yet
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2017-09-19 22:10:54 -07:00 |
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greg
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6da20cbfaf
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Address compiler warnings
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2017-09-19 22:10:54 -07:00 |
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greg
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f48451125e
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Parsing arithmetic expressions works
At the expense of an unnecessary move in lookahead()
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2017-09-19 22:10:54 -07:00 |
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greg
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06c3999430
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Add expect_identifier function
For utility
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2017-09-19 22:10:54 -07:00 |
|
greg
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1af1589550
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Make Parser class internally use IntoIterator
And wrap the next() and peek() methods
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2017-09-19 22:10:54 -07:00 |
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greg
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32a90b8103
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write expect
and also make the ParseResult type more general so it can be used for
more things.
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2017-09-19 22:10:54 -07:00 |
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greg
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186c900920
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Implement expect macro
Seems like there's no way around passing in self manually
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2017-09-19 22:10:54 -07:00 |
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greg
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509ab80b9c
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I can now parse one thing
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2017-09-19 22:10:54 -07:00 |
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