tree-sitter/spec/runtime/languages/arithmetic/main.txt

====================
parses numbers
===================
5
---
(expression (number))

===================
parses variables
===================
x
---
(expression (variable))

===================
parses products
===================
x * x
---
(expression (product
    (variable)
    (variable)))

===================
parses sums
===================
x + x
---
(expression (sum
    (variable)
    (variable)))

===============================================
binds multiplication more tightly than addition
===============================================
a * b + c * d
---
(expression (sum
    (product (variable) (variable))
    (product (variable) (variable))))

============================
parses exponents
============================
x + y * z^(a + b)
---
(expression (sum
    (variable)
    (product
        (variable)
        (exponent
            (variable)
            (group (sum (variable) (variable)))))))
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00			`====================`
			`parses numbers`
			`===================`
			`5`
			`---`
Collapse nodes with only one child and no additional text content 2014-03-26 00:10:59 -07:00			`(expression (number))`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00
			`===================`
			`parses variables`
			`===================`
			`x`
			`---`
Collapse nodes with only one child and no additional text content 2014-03-26 00:10:59 -07:00			`(expression (variable))`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00
			`===================`
			`parses products`
			`===================`
			`x * x`
			`---`
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`(expression (product`
Collapse nodes with only one child and no additional text content 2014-03-26 00:10:59 -07:00			`(variable)`
			`(variable)))`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00
			`===================`
			`parses sums`
			`===================`
			`x + x`
			`---`
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`(expression (sum`
Collapse nodes with only one child and no additional text content 2014-03-26 00:10:59 -07:00			`(variable)`
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`(variable)))`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00
Add rule precedence construct Still need to add some way of expressing left and right associativity 2014-04-14 23:11:10 -07:00			`===============================================`
			`binds multiplication more tightly than addition`
			`===============================================`
			`a * b + c * d`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00			`---`
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`(expression (sum`
			`(product (variable) (variable))`
Add rule precedence construct Still need to add some way of expressing left and right associativity 2014-04-14 23:11:10 -07:00			`(product (variable) (variable))))`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`============================`
			`parses exponents`
			`============================`
			`x + y * z^(a + b)`
Use table-driven tests for specific parsers 2014-03-20 18:15:38 -07:00			`---`
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`(expression (sum`
Collapse nodes with only one child and no additional text content 2014-03-26 00:10:59 -07:00			`(variable)`
Improve trees generated by arithmetic grammar This work should inform how to implement operator precedence helper functions 2014-03-29 18:37:51 -07:00			`(product`
			`(variable)`
			`(exponent`
			`(variable)`
Add rule precedence construct Still need to add some way of expressing left and right associativity 2014-04-14 23:11:10 -07:00			`(group (sum (variable) (variable)))))))`