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Add explicit ZeroAddress object to command language AST

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This commit is contained in:
Corey Johnson & Nathan Sobo
2012-07-12 17:56:23 -06:00
parent 47a9d1284a
commit bee6bf0ff5
2 changed files with 14 additions and 3 deletions
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8
src/extensions/command-panel/commands.pegjs
View File

@@ -1,9 +1,10 @@
{
var CompositeCommand = require('command-panel/commands/composite-command')
var Substitution = require('command-panel/commands/substitution');
var ZeroAddress = require('command-panel/commands/zero-address');
var EofAddress = require('command-panel/commands/eof-address');
var LineAddress = require('command-panel/commands/line-address');
var AddressRange = require('command-panel/commands/address-range');
var EofAddress = require('command-panel/commands/eof-address');
var CurrentSelectionAddress = require('command-panel/commands/current-selection-address')
var RegexAddress = require('command-panel/commands/regex-address')
var SelectAllMatches = require('command-panel/commands/select-all-matches')
@@ -19,15 +20,16 @@ address = addressRange / primitiveAddress
addressRange
= start:primitiveAddress? _ ',' _ end:address? {
if (!start) start = new LineAddress(0)
if (!start) start = new ZeroAddress()
if (!end) end = new EofAddress()
return new AddressRange(start, end)
}
primitiveAddress
= lineNumber:integer { return new LineAddress(lineNumber) }
= '0' { return new ZeroAddress() }
/ '$' { return new EofAddress() }
/ '.' { return new CurrentSelectionAddress() }
/ lineNumber:integer { return new LineAddress(lineNumber) }
/ regexAddress
regexAddress

9
src/extensions/command-panel/commands/zero-address.coffee Normal file
View File

@@ -0,0 +1,9 @@
Address = require 'command-panel/commands/address'
Range = require 'range'
module.exports =
class ZeroAddress extends Address
getRange: (editor) ->
new Range([0, 0], [0, 0])
isRelative: -> false