Collapse nodes with only one child and no additional text content

This commit is contained in:
Max Brunsfeld 2014-03-26 00:10:59 -07:00
parent 316adc7788
commit 09e28e7859
8 changed files with 56 additions and 80 deletions

View file

@ -11,6 +11,6 @@ recovers from errors inside parenthesized expressions
x + (y * + z) * 5
---
(expression
(term (factor (variable)))
(variable)
(plus)
(term (factor (ERROR)) (times) (factor (number))))
(term (factor (ERROR)) (times) (number)))

View file

@ -3,14 +3,14 @@ parses numbers
===================
5
---
(expression (term (factor (number))))
(expression (number))
===================
parses variables
===================
x
---
(expression (term (factor (variable))))
(expression (variable))
===================
parses products
@ -18,9 +18,9 @@ parses products
x * x
---
(expression (term
(factor (variable))
(variable)
(times)
(factor (variable))))
(variable)))
===================
parses sums
@ -28,9 +28,9 @@ parses sums
x + x
---
(expression
(term (factor (variable)))
(variable)
(plus)
(term (factor (variable))))
(variable))
====================
parses complex trees
@ -38,17 +38,17 @@ parses complex trees
x * y + z * a
---
(expression
(term (factor (variable)) (times) (factor (variable)))
(term (variable) (times) (variable))
(plus)
(term (factor (variable)) (times) (factor (variable))))
(term (variable) (times) (variable)))
=================================
handles parenthesized expressions
=================================
x * (y + z)
---
(expression
(term (factor (variable))
(expression (term
(variable)
(times)
(factor (expression (term (factor (variable))) (plus) (term (factor (variable)))))))
(factor (expression (variable) (plus) (variable)))))

View file

@ -5,8 +5,8 @@ var x = {};
{};
---
(program
(statement (assignment (identifier) (expression (literal (object)))))
(statement (expression (literal (object)))))
(statement (assignment (identifier) (object)))
(statement (object)))
==========================================
parses if statements
@ -16,9 +16,9 @@ if (theCondition) {
}
---
(program
(statement (if_statement
(expression (identifier))
(statement_block (statement (assignment (identifier) (expression (literal (number)))))))))
(if_statement
(identifier)
(statement_block (statement (assignment (identifier) (number))))))
==========================================
parses if-else statements
@ -29,9 +29,8 @@ if (theCondition) {
var x = 4;
}
---
(program (statement
(if_statement
(expression (identifier))
(statement_block (statement (assignment (identifier) (expression (literal (number))))))
(statement_block (statement (assignment (identifier) (expression (literal (number)))))))))
(program (if_statement
(identifier)
(statement_block (statement (assignment (identifier) (number))))
(statement_block (statement (assignment (identifier) (number))))))

View file

@ -18,16 +18,16 @@ recovers from errors inside arrays
[1, , 2]
---
(value (array
(value (number))
(number)
(ERROR)
(value (number))))
(number)))
==========================================
recovers from errors inside objects
==========================================
{ "key1": 1, oops }
---
(value (object (string) (value (number)) (ERROR)))
(value (object (string) (number) (ERROR)))
==========================================
recovers from errors inside nested objects
@ -35,6 +35,6 @@ recovers from errors inside nested objects
{ "key1": { "key2": 1, 2 }, [, "key3": 3 }
---
(value (object
(string) (value (object (string) (value (number)) (ERROR)))
(string) (object (string) (number) (ERROR))
(ERROR)
(string) (value (number))))
(string) (number)))

View file

@ -24,14 +24,11 @@ parses arrays
]
---
(value (array
(value (number))
(value (null))
(value (true))
(value (false))
(value (object
(string) (value (string))
))
))
(number)
(null)
(true)
(false)
(object (string) (string))))
====================
parses empty objects
@ -49,7 +46,7 @@ parses long objects
}
---
(value (object
(string) (value (string))
(string) (value (number))
(string) (string)
(string) (number)
))