github/coffeescript
1
1
Fork 0
mirror of https://github.com/jashkenas/coffeescript.git synced 2026-02-18 03:21:20 -05:00
Code Issues Packages Projects Releases Wiki Activity

adding a new comprehension 'for all key, value of object', which compiles to the naked JS for..in, including enumerable properties inherited from prototypes.

Browse Source
This commit is contained in:
Jeremy Ashkenas
2010-07-15 21:18:35 -04:00
parent 2a932597e4
commit 72c4efbc39
12 changed files with 177 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/grammar.coffee
View File

@@ -419,9 +419,14 @@ grammar: {
# Comprehensions can either be normal, with a block of expressions to execute,
# or postfix, with a single expression.
For: [
o "Statement FOR ForVariables ForSource", -> new ForNode $1, $4, $3[0], $3[1]
o "Expression FOR ForVariables ForSource", -> new ForNode $1, $4, $3[0], $3[1]
o "FOR ForVariables ForSource Block", -> new ForNode $4, $3, $2[0], $2[1]
o "Statement ForStart ForSource", -> $3.raw: $2.raw; new ForNode $1, $3, $2[0], $2[1]
o "Expression ForStart ForSource", -> $3.raw: $2.raw; new ForNode $1, $3, $2[0], $2[1]
o "ForStart ForSource Block", -> $2.raw: $1.raw; new ForNode $3, $2, $1[0], $1[1]
]
ForStart: [
o "FOR ForVariables", -> $2
o "FOR ALL ForVariables", -> $3.raw: true; $3
]
# An array of all accepted values for a variable inside the loop. This
@@ -448,9 +453,9 @@ grammar: {
o "OF Expression", -> {source: $2, object: true}
o "IN Expression WHEN Expression", -> {source: $2, guard: $4}
o "OF Expression WHEN Expression", -> {source: $2, guard: $4, object: true}
o "IN Expression BY Expression", -> {source: $2, step: $4}
o "IN Expression BY Expression", -> {source: $2, step: $4}
o "IN Expression WHEN Expression BY Expression", -> {source: $2, guard: $4, step: $6}
o "IN Expression BY Expression WHEN Expression", -> {source: $2, step: $4, guard: $6}
o "IN Expression BY Expression WHEN Expression", -> {source: $2, step: $4, guard: $6}
]
# The CoffeeScript switch/when/else block replaces the JavaScript