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b7233a3337
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48 Commits

Author SHA1 Message Date
Sebastian Schmidt
b7233a3337 Implement operator assignments 
Implements #34
 2019-08-29 13:10:12 +03:00
Sebastian Schmidt
2399df16a1 Run rustfmt 2019-08-29 10:02:05 +03:00
Atul Bhosale
311c70a823
Update crate for Rust 2018 using 'cargo fix --edition' 2019-06-06 23:23:30 +05:30
Sebastian Schmidt
502ec0adce Format code 2019-05-04 13:54:19 +02:00
Sebastian Schmidt
6f533ca925 Merge branch '52_remove_automatic_function_argument_decomposition' 2019-05-04 13:53:47 +02:00
Sebastian Schmidt
2ca7209d22 Remove debug output 2019-05-04 13:43:05 +02:00
Sebastian Schmidt
21b308f3ae Format code 2019-04-26 17:37:59 +02:00
Sebastian Schmidt
6f77471354 Fixed aggregation operator 
Manage sequence operators, which currently are `Chain` and `Token` on the stack without ever inserting unfinished sequence operator nodes into another node.

Relates to #44
 2019-04-22 19:08:55 +02:00
Sebastian Schmidt
2e929ae0fe Replace manual type_id with builtin function of trait Any 
Relates to #44
 2019-04-22 16:24:26 +02:00
Sebastian Schmidt
d576cec9b9 Add flattening of operator chains when building operator tree 
Relates to #44
 2019-04-22 16:20:33 +02:00
Sebastian Schmidt
531b7b72a0 Make Operator::max_argument_amount optional 
Relates to #44
 2019-04-22 16:17:02 +02:00
Sebastian Schmidt
6c078c49e5 Refactor operators into an enum 
(This commit is not formatted properly)

Relates to #46
 2019-04-14 16:54:35 +02:00
Sebastian Schmidt
697fbb5d45 Implement iterators over variable and function identifiers 
Relates to #37
 2019-04-13 20:16:05 +02:00
Sebastian Schmidt
e328adb97b Implement Node::iter_identifiers() 
This commit implements an iterator over the identifiers in an expression.
The identifiers are iterated pre-order, meaning that higher nodes in the tree are emitted first.
The identifier iterator is based on a general iterator over all nodes in an operator tree, which can be used for further featues.

Relates to #37
 2019-04-12 19:27:34 +02:00
Sebastian Schmidt
67d68cd974 Add string constants 
* Implement string parsing in tokenizer
 * Implement escape sequences `\"` and `\\`
 * Document changes
 * Update change log

Relates to #35
 2019-03-30 11:54:26 +01:00
Sebastian Schmidt
9d27969eac Implement and test chain operator 
Relates to #26
 2019-03-28 11:34:54 +01:00
Sebastian Schmidt
83269068a2 Add the assignment operator 
Relates to #25
 2019-03-28 11:12:47 +01:00
Sebastian Schmidt
5bc4bcb702 Add crate level shortcut evaluations for Value::Empty 
Relates to #28
 2019-03-28 10:32:42 +01:00
Sebastian Schmidt
7d36ebe8df Add Node shortcut evaluations for Value::Empty 
Relates to #28
 2019-03-28 10:26:49 +01:00
Sebastian Schmidt
a7b5f602d5 Do not require expressions to have content 
* Make parser return implicit toplevel node
 * Make `RootNode` return `Value::Empty` if it has no arguments instead of failing

Relates to #28
 2019-03-28 10:10:16 +01:00
Sebastian Schmidt
e266f4fc0d Merge ContextMut with Context and add eval_<type>_with_context_mut methods 
Trait objects of `ContextMut` cannot be converted into `Context`, even though `ContextMut` requires `Context`.

Relates to #30
 2019-03-28 09:22:48 +01:00
Sebastian Schmidt
0acbcd8958 Format code 2019-03-28 08:44:04 +01:00
Sebastian Schmidt
d77fa15864 Use EvalexprResult<T> everywhere 
Relates to #31
 2019-03-27 19:09:58 +01:00
Sebastian Schmidt
720b2f90c2 Add Node::eval_number[_with_context] methods 
Relates to #20
 2019-03-27 18:55:51 +01:00
Sebastian Schmidt
b18521b8aa Format code 2019-03-27 18:35:16 +01:00
Sebastian Schmidt
9283d5412f Rename Context to ContextMut and Configuration to Context 
Get rid of two different words for the same concept.

Relates to #22
 2019-03-27 18:09:33 +01:00
Sebastian Schmidt
3da6019dae Add Context trait 
* Rename `HashMapConfiguration` to `HashMapContext`
 * Rename `EmptyConfiguration` to `EmptyContext`
 * Implement `Context` for both predefined contexts
 * Update tests and doctests

Relates to #22
 2019-03-27 17:45:06 +01:00
Sebastian Schmidt
fd879193b6 Rename Error to EvalexprError and add EvalexprResult 
Relates to #27
 2019-03-27 16:33:46 +01:00
Sebastian Schmidt
8a49bf9c11 Get rid of some unwraps 
Relates to #14
 2019-03-27 16:16:40 +01:00
Sebastian Schmidt
c980e49014 Add shortcut functions to evaluate Node into value types 
+ Add functions `Node::eval_[type]` and `Node::eval_[type]_with_configuration` to evaluate a node directly into a value type

Partially implements #15
 2019-03-20 16:57:21 +02:00
Sebastian Schmidt
58e8603194 Rename Node::eval to Node::eval_with_configuration for consistency. 
* Rename `Node::eval` to `Node::eval_with_configuration`
 + Add `Node::eval` that calls `Node::eval_with_configuration` with an `EmptyConfiguration`
 + Improve documentation of `Node` and the changed methods

Implements #5
 2019-03-20 11:58:08 +02:00
Sebastian Schmidt
e387d3370b Fix a typo 2019-03-20 11:50:09 +02:00
Sebastian Schmidt
38c4c35a0b Document all remaining public members 
Implements #6
 2019-03-20 11:32:55 +02:00
Sebastian Schmidt
bcfce4aaec Add trailing commas to match arm blocks 2019-03-19 19:06:37 +02:00
Sebastian Schmidt
93e8d867b4 Add exponentation operator 
+ Add hat token
 + Add exponentation operator

Implements #3
 2019-03-19 18:32:10 +02:00
Sebastian Schmidt
c631171ff0 Add comma operator and display implementations 
+ Add comma token
 + Add tuple operator
 + Add tuple value type
 + Implement display for `tree::Node` and all related types
 + Add support for right-to-left chaining of operators with same precedence

The priority of chaining of operators with the same precedence remains left-to-right.
Only if two consecutive operators with the same precedence are right-to-left, they will be ordered right-to-left.

Implements #4.
 2019-03-19 18:24:36 +02:00
Sebastian Schmidt
879f1fcd22 Evaluate arbitrary functions 2019-03-18 19:22:44 +02:00
Sebastian Schmidt
406bfe0e05 rustfmt 2019-03-15 19:22:14 +02:00
Sebastian Schmidt
bb74bee382 Implemented boolean expressions 2019-03-15 19:19:59 +02:00
Sebastian Schmidt
a1ba054609 Implemented mod and replaced Braced with RootNode 2019-03-15 18:34:40 +02:00
Sebastian Schmidt
1bc2909c1b Implemented and tested braces 2019-03-15 18:27:10 +02:00
Sebastian Schmidt
0ee4946eaf Implemented separate int and float types 2019-03-15 17:40:38 +02:00
Sebastian Schmidt
3975a17f0b Fixed warnings and removed unused dependencies. 2019-03-15 17:21:34 +02:00
Sebastian Schmidt
b38c102c1d Complete rewrite of crate. Simple tokenizer and treeifyer (Or however the compiler people call these.). 2019-03-15 17:14:27 +02:00
fengcen
0c4413836d fix #2 2018-08-24 09:09:55 +08:00
fengcen
ce671d0f0a update serde to version 0.9, bump version 0.4.0 2017-02-13 08:26:47 +08:00
fengcen
3cb3197f6f add . and [] support. 2016-11-21 09:14:40 +08:00
fengcen
032e57df43 add Expr builder. add ExecOptions. add len() 2016-11-20 16:04:06 +08:00