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56 commits

Author SHA1 Message Date
Leonardo de Moura
56007d7c97 feat(library/init/lean/parser/parser): display builtinParser name when updateTokens fails 2019-07-02 16:06:39 -07:00
Leonardo de Moura
a02443d23d chore(frontends/lean): fun x, e ==> fun x => e 2019-07-02 13:22:11 -07:00
Leonardo de Moura
6841e47aa4 chore(frontends/lean/builtin_exprs): remove support for (<infix>) and (<infix> <expr>) notations 
In Lean 4, we will support the more general

`a + ·` ==> `fun x, a + x`
`· + b` ==> `fun x, x + b`
`· + ·` ==> `fun x y, x + y`
`f · y` ==> `fun x, f a y`
`g · · b` ==> `fun x y, g x y b`
 2019-07-02 08:06:06 -07:00
Leonardo de Moura
ee2d3faa63 feat(library/init/lean/parser/parser): change optional p behavior 
It ignores error only if `p` does not consume any input. This change
improves the quality of the error messages. The previous behavior can be
obtained by using `optional (try p)`.
 2019-07-02 07:52:22 -07:00
Leonardo de Moura
9d50b3ca47 feat(library/init/lean/parser/term): paren parser 2019-07-01 19:44:13 -07:00
Leonardo de Moura
13b5747713 fix(library/init/lean/parser/parser): prattParser 2019-07-01 16:00:58 -07:00
Leonardo de Moura
5691450b5b feat(library/init/lean/parser): term parser skeleton 2019-07-01 15:04:13 -07:00
Leonardo de Moura
24647cb7cb fix(library/init/lean/parser/parser): better representation for many1 Syntax node 2019-06-30 09:02:06 -07:00
Leonardo de Moura
531ef5d700 feat(library/init/lean/parser): universe level parser and bug fixes 2019-06-30 09:02:06 -07:00
Leonardo de Moura
91e1d30cf8 feat(frontends/lean/builtin_exprs): use ; in do-notation 2019-06-27 18:00:43 -07:00
Leonardo de Moura
ab487ea4ac feat(frontends/lean): allow ; instead of in in let-decls 2019-06-27 17:12:03 -07:00
Leonardo de Moura
2e01ac508a feat(library/init/lean/syntax): primitives for creating and testing string and nat literals 2019-06-25 10:39:23 -07:00
Leonardo de Moura
da09ef4f66 feat(frontends/lean/builtin_exprs): minor improvement 2019-06-24 15:48:11 -07:00
Leonardo de Moura
8f1345dc53 chore(library/init/lean/syntax): simplify SyntaxNodeKind 2019-06-21 14:24:44 -07:00
Leonardo de Moura
0fe8fd1307 feat(library/init/lean/parser/parser): notation 2019-06-21 14:20:22 -07:00
Leonardo de Moura
bc9e460f62 fix(library/init/lean/compiler/ir): collectUsedDecls must take initialization functions into account 
Move builtin parser level to its own directory
 2019-06-21 13:34:42 -07:00
Leonardo de Moura
93e5746739 chore(library/init/lean/parser/parser): naming consistency 2019-06-20 16:47:55 -07:00
Leonardo de Moura
98879f1580 refactor(library/init/lean/parser/parser): simplify SyntaxNodeKind 
The numeric `id` generation is works well for builtin parsers, but it
creates problems when defining dynamic ones.
 2019-06-20 14:51:59 -07:00
Leonardo de Moura
8724a8cfd5 feat(library/init/lean/parser/parser): builtin parser attributes must be applied after compilation 2019-06-20 09:22:03 -07:00
Leonardo de Moura
d7fb0aa908 feat(library/init/lean/parser/parser): simpler cache 
cc @kha
 2019-06-19 16:48:18 -07:00
Leonardo de Moura
f180b3f32e feat(library/init/lean/parser/parser): improve error messages on prattParser 2019-06-19 16:36:18 -07:00
Leonardo de Moura
4db487fb42 fix(library/init/lean/parser/parser): sepBy1 2019-06-19 16:34:49 -07:00
Leonardo de Moura
cf9a29152d fix(library/init/lean/parser/parser): ParserInfo for ident, strLit, and numLit 2019-06-19 16:19:00 -07:00
Leonardo de Moura
401de35b6c chore(library/init/lean/parser/parser): remove unnecessary import 
It turns out we don't need evalConst for implementing `builtinParsers`.
 2019-06-19 10:53:51 -07:00
Leonardo de Moura
5f014415a9 feat(library/init/lean/parser/parser): add helper functions for invoking builting parsers 
TODO: add scoped attributes for dynamically extending parsers.
 2019-06-19 10:48:19 -07:00
Leonardo de Moura
89dae7f877 fix(library/init/lean/parser/parser): missing result 2019-06-19 10:33:53 -07:00
Leonardo de Moura
697f69020f fix(library/init/lean/parser/parser): new registerBuiltinParserAttribute 
It is still broken since we apply attributes before we compile code.

Recall that attributes such as `@[export]` and `@[extern]` must be applied before we
compile code.

On the other hand, any attribute `attrName`
```
@[attrName] def foo := ...
```
which creates auxiliary definitions that depend on `foo` must be applied
AFTER we generate code for `foo`. Otherwise, we will fail to compile the
auxiliary definition since we don't have code for `foo` yet.

I will fix the issue above by allowing attributes to specify when they
should be applied. I will start with only two options: before and after
code compilation. In the future, we may need more options (e.g., before
elaboration), but I don't see the need yet.

cc @kha
 2019-06-19 09:52:56 -07:00
Leonardo de Moura
444d942b1c fix(library/init/lean/parser/parser): bootstrapping/initialization issue 
`evalConst` was being invoked "too early".
 2019-06-18 11:27:37 -07:00
Leonardo de Moura
14e902cf8e feat(library/init/lean/parser): register builtin parsing tables 2019-06-18 09:25:10 -07:00
Leonardo de Moura
03ca8734f3 feat(library/init/lean/parser/parser): add runParser for testing 2019-06-18 09:01:58 -07:00
Leonardo de Moura
b558ac424f feat(library/init/lean/parser/parser): add prattParser 2019-06-18 08:37:15 -07:00
Leonardo de Moura
e9535e5792 feat(library/init/lean/parser/parser): add longestMatch combinator 2019-06-18 08:07:46 -07:00
Leonardo de Moura
e9b877c334 feat(library/init/lean/parser/parser): add registerBuiltinParserAttribute 2019-06-17 16:49:44 -07:00
Leonardo de Moura
a495a4ce86 feat(library/init/lean/parser/parser): new parser combinators based on tests/playground/parser 
Main differences with respect to `tests/playground/parser`

1- There is a single (parametric) parser type: `Parser k`, where `k` is
   used to identify whether it is a `nud` or `led` parser.
2- It assumes parsing tables are stored in the `Environment`.
3- We check precedence mismatch, and use the value `none` to represent
   "use existing precedence".
4- We have support for silent (aka epsilon) parsing actions.

Remark: the experiments at `tests/playground/parser` demonstrated that the new
parsing infrastructure is at least 10x faster than the one based on the
`Parsec` monad.
 2019-06-17 13:29:01 -07:00
Leonardo de Moura
1bae8f8eab refactor(library/init/lean/ir/parser): parser.lean => parser_t.lean 2018-06-05 08:00:13 -07:00
Sebastian Ullrich
0f7c0ac8bf feat(init/lean/parser/parser): make a monad transformer 
Also move parser combinators into the more specific namespace `init.lean.parser.parser_t`.
 2018-06-04 12:57:23 +02:00
Leonardo de Moura
3f883bd949 chore(library/init/lean/parser/parser): add monad_fail instance 2018-05-09 09:19:14 -07:00
Leonardo de Moura
d5fe509c36 chore(*): remove end after each match-expression 
`end` is not optional anymore
 2018-05-04 11:30:06 -07:00
Leonardo de Moura
0d49ae3f69 feat(library/init/lean/parser): add not_followed_by and not_followed_by_sat 
The new parsers are useful to implement the longest match rule.
 2018-05-02 15:55:57 -07:00
Leonardo de Moura
f44bfb3e59 feat(library/init/lean/parser/parser): use dlist to implement expected messages 
The idiom `p1 <|> p2 <|> ... <|> pn` generates many append operations.
`dlist` provides an O(1) append.
 2018-05-02 12:43:21 -07:00
Leonardo de Moura
4d6cbf62a2 refactor(library/init/lean/parser/parser): we don't need to store the whole message in ok_eps 
In the original parsec paper, they store messages in OK silent/epsilon
results too. This is not necessary, we only need the "expected" field
for the `ok_eps` constructor.
 2018-05-02 11:37:57 -07:00
Leonardo de Moura
6672cc2a34 fix(library/init/lean/parser/parser): bug 2018-05-01 17:15:12 -07:00
Leonardo de Moura
ffdc6cca8a refactor(library/init/lean/ir): move reserved set to different file 2018-05-01 15:27:25 -07:00
Leonardo de Moura
263391bdbb refactor(library/init/lean): add init/lean/parser/identifier 2018-05-01 11:53:55 -07:00
Leonardo de Moura
7305a7a65e feat(library/init/lean): identifier parser 2018-05-01 10:29:34 -07:00
Leonardo de Moura
ba8b85f4c0 chore(library/init/lean/parser/parser): adjust variable names 2018-04-30 16:36:09 -07:00
Leonardo de Moura
485b16a413 feat(library/init/lean/parser/syntax): use position 2018-04-30 16:13:01 -07:00
Leonardo de Moura
9879cb46be feat(library/init/lean/parser/parser): store offset in error messages 2018-04-30 16:08:52 -07:00
Leonardo de Moura
12f2831f9f test(tests/lean/parser1): add parser tests 2018-04-28 15:58:50 -07:00
Leonardo de Moura
65c7426174 chore(library/init/lean/parser/parser): parser_m ==> parser 
Use the same name convention used at `init/control`
 2018-04-27 13:44:37 -07:00