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Add support for BigInt numeric #588

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Nov 21, 2019
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Add support for BigInt numeric #588

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8 changes: 4 additions & 4 deletions grammars/javascript.cson
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Original file line number Diff line number Diff line change
Expand Up @@ -1244,15 +1244,15 @@
'numbers':
'patterns': [
{
'match': '\\b(?<!\\$)0(x|X)[0-9a-fA-F]+\\b(?!\\$)'
'match': '\\b(?<!\\$)0(x|X)[0-9a-fA-F]+n?\\b(?!\\$)'
'name': 'constant.numeric.hex.js'
}
{
'match': '\\b(?<!\\$)0(b|B)[01]+\\b(?!\\$)'
'match': '\\b(?<!\\$)0(b|B)[01]+n?\\b(?!\\$)'
'name': 'constant.numeric.binary.js'
}
{
'match': '\\b(?<!\\$)0(o|O)?[0-7]+\\b(?!\\$)'
'match': '\\b(?<!\\$)0(o|O)?[0-7]+n?\\b(?!\\$)'
'name': 'constant.numeric.octal.js'
}
{
Expand All @@ -1265,7 +1265,7 @@
(?:\\b[0-9]+(\\.)[0-9]+\\b)| # 1.1
(?:\\b[0-9]+(\\.)\\B)| # 1.
(?:\\B(\\.)[0-9]+\\b)| # .1
(?:\\b[0-9]+\\b(?!\\.)) # 1
(?:\\b[0-9]+n?\\b(?!\\.)) # 1n
)(?!\\$)
'''
'captures':
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21 changes: 21 additions & 0 deletions spec/javascript-spec.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -316,27 +316,48 @@ describe "JavaScript grammar", ->
{tokens} = grammar.tokenizeLine('0X1D306')
expect(tokens[0]).toEqual value: '0X1D306', scopes: ['source.js', 'constant.numeric.hex.js']

{tokens} = grammar.tokenizeLine('0x1D306n')
expect(tokens[0]).toEqual value: '0x1D306n', scopes: ['source.js', 'constant.numeric.hex.js']

{tokens} = grammar.tokenizeLine('0X1D306n')
expect(tokens[0]).toEqual value: '0X1D306n', scopes: ['source.js', 'constant.numeric.hex.js']

it "tokenizes binary literals", ->
{tokens} = grammar.tokenizeLine('0b011101110111010001100110')
expect(tokens[0]).toEqual value: '0b011101110111010001100110', scopes: ['source.js', 'constant.numeric.binary.js']

{tokens} = grammar.tokenizeLine('0B011101110111010001100110')
expect(tokens[0]).toEqual value: '0B011101110111010001100110', scopes: ['source.js', 'constant.numeric.binary.js']

{tokens} = grammar.tokenizeLine('0b011101110111010001100110n')
expect(tokens[0]).toEqual value: '0b011101110111010001100110n', scopes: ['source.js', 'constant.numeric.binary.js']

{tokens} = grammar.tokenizeLine('0B011101110111010001100110n')
expect(tokens[0]).toEqual value: '0B011101110111010001100110n', scopes: ['source.js', 'constant.numeric.binary.js']

it "tokenizes octal literals", ->
{tokens} = grammar.tokenizeLine('0o1411')
expect(tokens[0]).toEqual value: '0o1411', scopes: ['source.js', 'constant.numeric.octal.js']

{tokens} = grammar.tokenizeLine('0O1411')
expect(tokens[0]).toEqual value: '0O1411', scopes: ['source.js', 'constant.numeric.octal.js']

{tokens} = grammar.tokenizeLine('0o1411n')
expect(tokens[0]).toEqual value: '0o1411n', scopes: ['source.js', 'constant.numeric.octal.js']

{tokens} = grammar.tokenizeLine('0O1411n')
expect(tokens[0]).toEqual value: '0O1411n', scopes: ['source.js', 'constant.numeric.octal.js']

{tokens} = grammar.tokenizeLine('0010')
expect(tokens[0]).toEqual value: '0010', scopes: ['source.js', 'constant.numeric.octal.js']

it "tokenizes decimals", ->
{tokens} = grammar.tokenizeLine('1234')
expect(tokens[0]).toEqual value: '1234', scopes: ['source.js', 'constant.numeric.decimal.js']

{tokens} = grammar.tokenizeLine('123456789n')
expect(tokens[0]).toEqual value: '123456789n', scopes: ['source.js', 'constant.numeric.decimal.js']

{tokens} = grammar.tokenizeLine('5e-10')
expect(tokens[0]).toEqual value: '5e-10', scopes: ['source.js', 'constant.numeric.decimal.js']

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