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jashkenas--coffeescript/test/parser.coffee
Julian Rosse a34c0c9502 Return Root from nodes() (#5274)
* return Root from nodes()

* add children
2019-12-29 21:17:32 -08:00

80 lines
2.3 KiB
CoffeeScript

# Parser
# ---------
test "operator precedence for logical operators", ->
source = '''
a or b and c
'''
{body: block} = CoffeeScript.nodes source
[expression] = block.expressions
eq expression.first.base.value, 'a'
eq expression.operator, '||'
eq expression.second.first.base.value, 'b'
eq expression.second.operator, '&&'
eq expression.second.second.base.value, 'c'
test "operator precedence for bitwise operators", ->
source = '''
a | b ^ c & d
'''
{body: block} = CoffeeScript.nodes source
[expression] = block.expressions
eq expression.first.base.value, 'a'
eq expression.operator, '|'
eq expression.second.first.base.value, 'b'
eq expression.second.operator, '^'
eq expression.second.second.first.base.value, 'c'
eq expression.second.second.operator, '&'
eq expression.second.second.second.base.value, 'd'
test "operator precedence for binary ? operator", ->
source = '''
a ? b and c
'''
{body: block} = CoffeeScript.nodes source
[expression] = block.expressions
eq expression.first.base.value, 'a'
eq expression.operator, '?'
eq expression.second.first.base.value, 'b'
eq expression.second.operator, '&&'
eq expression.second.second.base.value, 'c'
test "new calls have a range including the new", ->
source = '''
a = new B().c(d)
'''
{body: block} = CoffeeScript.nodes source
assertColumnRange = (node, firstColumn, lastColumn) ->
eq node.locationData.first_line, 0
eq node.locationData.first_column, firstColumn
eq node.locationData.last_line, 0
eq node.locationData.last_column, lastColumn
[assign] = block.expressions
outerCall = assign.value.base
innerValue = outerCall.variable
innerCall = innerValue.base
assertColumnRange assign, 0, 15
assertColumnRange outerCall, 4, 15
assertColumnRange innerValue, 4, 12
assertColumnRange innerCall, 4, 10
test "location data is properly set for nested `new`", ->
source = '''
new new A()()
'''
{body: block} = CoffeeScript.nodes source
assertColumnRange = (node, firstColumn, lastColumn) ->
eq node.locationData.first_line, 0
eq node.locationData.first_column, firstColumn
eq node.locationData.last_line, 0
eq node.locationData.last_column, lastColumn
[{base: outerCall}] = block.expressions
innerCall = outerCall.variable
assertColumnRange outerCall, 0, 12
assertColumnRange innerCall, 4, 10