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finished moving over string and regex interpolation to use '#' instead of '$', Issue #544

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This commit is contained in:
Jeremy Ashkenas 2010-07-26 23:31:55 -04:00
parent d624310be1
commit 89cd25ab15
9 changed files with 45 additions and 50 deletions
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30
Cakefile
View file

@ -16,25 +16,25 @@ run = (args) ->
# Log a message with a color.
log = (message, color, explanation) ->
puts "$color$message$reset ${explanation or ''}"
puts "#color#message#reset #{explanation or ''}"
option '-p', '--prefix [DIR]', 'set the installation prefix for `cake install`'
task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options) ->
base = options.prefix or '/usr/local'
lib = "$base/lib/coffee-script"
bin = "$base/bin"
lib = "#base/lib/coffee-script"
bin = "#base/bin"
node = "~/.node_libraries/coffee-script"
puts "Installing CoffeeScript to $lib"
puts "Linking to $node"
puts "Linking 'coffee' to $bin/coffee"
puts "Installing CoffeeScript to #lib"
puts "Linking to #node"
puts "Linking 'coffee' to #bin/coffee"
exec([
"mkdir -p $lib $bin"
"cp -rf bin lib LICENSE README package.json src $lib"
"ln -sf $lib/bin/coffee $bin/coffee"
"ln -sf $lib/bin/cake $bin/cake"
"mkdir -p #lib #bin"
"cp -rf bin lib LICENSE README package.json src #lib"
"ln -sf #lib/bin/coffee #bin/coffee"
"ln -sf #lib/bin/cake #bin/cake"
"mkdir -p ~/.node_libraries"
"ln -sf $lib/lib $node"
"ln -sf #lib/lib #node"
].join(' && '), (err, stdout, stderr) ->
if err then print stderr else log 'done', green
)
@ -88,7 +88,7 @@ task 'doc:underscore', 'rebuild the Underscore.coffee documentation page', ->
task 'loc', 'count the lines of source code in the CoffeeScript compiler', ->
sources = ['src/coffee-script.coffee', 'src/grammar.coffee', 'src/helpers.coffee', 'src/lexer.coffee', 'src/nodes.coffee', 'src/rewriter.coffee', 'src/scope.coffee']
exec "cat ${ sources.join(' ') } | grep -v '^\\( *#\\|\\s*$\\)' | wc -l | tr -s ' '", (err, stdout) ->
exec "cat #{ sources.join(' ') } | grep -v '^\\( *#\\|\\s*$\\)' | wc -l | tr -s ' '", (err, stdout) ->
print stdout
@ -103,9 +103,9 @@ task 'test', 'run the CoffeeScript language test suite', ->
}
process.on 'exit', ->
time = ((new Date - startTime) / 1000).toFixed(2)
message = "passed $passedTests tests in $time seconds$reset"
message = "passed #passedTests tests in #time seconds#reset"
if failedTests
log "failed $failedTests and $message", red
log "failed #failedTests and #message", red
else
log message, green
fs.readdir 'test', (err, files) ->
@ -117,4 +117,4 @@ task 'test', 'run the CoffeeScript language test suite', ->
CoffeeScript.run code.toString(), {source: source}
catch err
failedTests += 1
log "failed $source", red, '\n' + err.stack.toString()
log "failed #source", red, '\n' + err.stack.toString()

10
lib/lexer.js
View file

@ -129,7 +129,7 @@
if (!(starts(this.chunk, '"') || starts(this.chunk, "'"))) {
return false;
}
if (!(string = this.balancedToken(['"', '"'], ['${', '}'], ['#{', '}']) || this.balancedToken(["'", "'"]))) {
if (!(string = this.balancedToken(['"', '"'], ['#{', '}']) || this.balancedToken(["'", "'"]))) {
return false;
}
this.interpolateString(string.replace(STRING_NEWLINES, " \\\n"));
@ -471,7 +471,7 @@
tokens.push(['IDENTIFIER', interp]);
i += group.length - 1;
pi = i + 1;
} else if ((expr = this.balancedString(str.substring(i), [['${', '}'], ['#{', '}']]))) {
} else if ((expr = this.balancedString(str.substring(i), [['#{', '}']]))) {
if (pi < i) {
tokens.push(['STRING', ("" + quote + (str.substring(pi, i)) + quote)]);
}
@ -580,16 +580,16 @@
IDENTIFIER = /^([a-zA-Z\$_](\w|\$)*)/;
NUMBER = /^(((\b0(x|X)[0-9a-fA-F]+)|((\b[0-9]+(\.[0-9]+)?|\.[0-9]+)(e[+\-]?[0-9]+)?)))\b/i;
HEREDOC = /^("{6}|'{6}|"{3}\n?([\s\S]*?)\n?([ \t]*)"{3}|'{3}\n?([\s\S]*?)\n?([ \t]*)'{3})/;
INTERPOLATION = /^[$#]([a-zA-Z_@]\w*(\.\w+)*)/;
INTERPOLATION = /^#([a-zA-Z_@]\w*(\.\w+)*)/;
OPERATOR = /^(-[\-=>]?|\+[+=]?|[*&|\/%=<>:!?]+)([ \t]*)/;
WHITESPACE = /^([ \t]+)/;
COMMENT = /^(\s*#{3}(?!#)[ \t]*\n+([\s\S]*?)[ \t]*\n+[ \t]*#{3}|(\s*#(?!##[^#])[^\n]*)+)/;
COMMENT = /^(\s*\#{3}(?!#)[ \t]*\n+([\s\S]*?)[ \t]*\n+[ \t]*\#{3}|(\s*#(?!##[^#])[^\n]*)+)/;
CODE = /^((-|=)>)/;
MULTI_DENT = /^((\n([ \t]*))+)(\.)?/;
LAST_DENTS = /\n([ \t]*)/g;
LAST_DENT = /\n([ \t]*)/;
REGEX_START = /^\/[^\/ ]/;
REGEX_INTERPOLATION = /([^\\]\$[a-zA-Z_@]|[^\\]\$\{.*[^\\]\})/;
REGEX_INTERPOLATION = /([^\\]#[a-zA-Z_@]|[^\\]#\{.*[^\\]\})/;
REGEX_END = /^(([imgy]{1,4})\b|\W|$)/;
REGEX_ESCAPE = /\\[^\$]/g;
JS_CLEANER = /(^`|`$)/g;

10
src/lexer.coffee
View file

@ -118,7 +118,7 @@ exports.Lexer = class Lexer
stringToken: ->
return false unless starts(@chunk, '"') or starts(@chunk, "'")
return false unless string =
@balancedToken(['"', '"'], ['${', '}'], ['#{', '}']) or
@balancedToken(['"', '"'], ['#{', '}']) or
@balancedToken ["'", "'"]
@interpolateString string.replace STRING_NEWLINES, " \\\n"
@line += count string, "\n"
@ -400,7 +400,7 @@ exports.Lexer = class Lexer
tokens.push ['IDENTIFIER', interp]
i += group.length - 1
pi = i + 1
else if (expr = @balancedString str.substring(i), [['${', '}'], ['#{', '}']])
else if (expr = @balancedString str.substring(i), [['#{', '}']])
tokens.push ['STRING', "#quote#{ str.substring(pi, i) }#quote"] if pi < i
inner = expr.substring(2, expr.length - 1)
if inner.length
@ -509,10 +509,10 @@ JS_FORBIDDEN = JS_KEYWORDS.concat RESERVED
IDENTIFIER = /^([a-zA-Z\$_](\w|\$)*)/
NUMBER = /^(((\b0(x|X)[0-9a-fA-F]+)|((\b[0-9]+(\.[0-9]+)?|\.[0-9]+)(e[+\-]?[0-9]+)?)))\b/i
HEREDOC = /^("{6}|'{6}|"{3}\n?([\s\S]*?)\n?([ \t]*)"{3}|'{3}\n?([\s\S]*?)\n?([ \t]*)'{3})/
INTERPOLATION = /^[$#]([a-zA-Z_@]\w*(\.\w+)*)/
INTERPOLATION = /^#([a-zA-Z_@]\w*(\.\w+)*)/
OPERATOR = /^(-[\-=>]?|\+[+=]?|[*&|\/%=<>:!?]+)([ \t]*)/
WHITESPACE = /^([ \t]+)/
COMMENT = /^(\s*#{3}(?!#)[ \t]*\n+([\s\S]*?)[ \t]*\n+[ \t]*#{3}|(\s*#(?!##[^#])[^\n]*)+)/
COMMENT = /^(\s*\#{3}(?!#)[ \t]*\n+([\s\S]*?)[ \t]*\n+[ \t]*\#{3}|(\s*#(?!##[^#])[^\n]*)+)/
CODE = /^((-|=)>)/
MULTI_DENT = /^((\n([ \t]*))+)(\.)?/
LAST_DENTS = /\n([ \t]*)/g
@ -520,7 +520,7 @@ LAST_DENT = /\n([ \t]*)/
# Regex-matching-regexes.
REGEX_START = /^\/[^\/ ]/
REGEX_INTERPOLATION= /([^\\]\$[a-zA-Z_@]|[^\\]\$\{.*[^\\]\})/
REGEX_INTERPOLATION= /([^\\]#[a-zA-Z_@]|[^\\]#\{.*[^\\]\})/
REGEX_END = /^(([imgy]{1,4})\b|\W|$)/
REGEX_ESCAPE = /\\[^\$]/g

4
src/nodes.coffee
View file

@ -566,7 +566,7 @@ exports.RangeNode = class RangeNode extends BaseNode
step = del o, 'step'
step and= "#idx += #{step.compile(o)}"
if from <= to
"#idx = #from; #idx <#@equals #to; #{step or "$idx++"}"
"#idx = #from; #idx <#@equals #to; #{step or "#idx++"}"
else
"#idx = #from; #idx >#@equals #to; #{step or "#idx--"}"
@ -1536,6 +1536,6 @@ literal = (name) ->
# Helper for ensuring that utility functions are assigned at the top level.
utility = (name) ->
ref = "__$name"
ref = "__#name"
Scope.root.assign ref, UTILITIES[name]
ref

10
test/test_classes.coffee
View file

@ -1,10 +1,10 @@
# Test classes with a four-level inheritance chain.
class Base
func: (string) ->
"zero/$string"
"zero/#string"
@static: (string) ->
"static/$string"
"static/#string"
class FirstChild extends Base
func: (string) ->
@ -56,7 +56,7 @@ Base = ->
Base::func = (string) ->
'zero/' + string
Base::['func-func'] = (string) ->
"dynamic-$string"
"dynamic-#string"
FirstChild = ->
FirstChild extends Base
@ -137,7 +137,7 @@ class Dog
@name = name
bark: =>
"$@name woofs!"
"#@name woofs!"
spark = new Dog('Spark')
fido = new Dog('Fido')
@ -164,7 +164,7 @@ class Connection
[@one, @two, @three] = [one, two, three]
out: ->
"$@one-$@two-$@three"
"#@one-#@two-#@three"
list = [3, 2, 1]
conn = new Connection list...

5
test/test_functions.coffee
View file

@ -85,11 +85,6 @@ fn = (arg) -> arg
ok fn(fn {prop: 101}).prop is 101
# Function calls sans-spacing.
ok((fn (x) ->
3
)() is 3)
# Multi-blocks with optional parens.
result = fn( ->

6
test/test_heredocs.coffee
View file

@ -55,17 +55,17 @@ ok a is 'more"than"one"quote'
val = 10
a = """
basic heredoc $val
basic heredoc #val
on two lines
"""
b = '''
basic heredoc $val
basic heredoc #val
on two lines
'''
ok a is "basic heredoc 10\non two lines"
ok b is "basic heredoc \$val\non two lines"
ok b is "basic heredoc \#val\non two lines"
a = '''here's an apostrophe'''

6
test/test_pattern_matching.coffee
View file

@ -119,7 +119,7 @@ persons = {
Christopher: { name: "Stan" }
}
join1 = "$key: $name" for key, { name } of persons
join1 = "#key: #name" for key, { name } of persons
deepEqual join1, ["George: Bob", "Bob: Alice", "Christopher: Stan"]
@ -129,11 +129,11 @@ persons = [
{ name: "Stan", parent: { name: "Christopher" } }
]
join2 = "$parent: $name" for { name, parent: { name: parent } } in persons
join2 = "#parent: #name" for { name, parent: { name: parent } } in persons
deepEqual join1, join2
persons = [['Bob', ['George']], ['Alice', ['Bob']], ['Stan', ['Christopher']]]
join3 = "$parent: $name" for [name, [parent]] in persons
join3 = "#parent: #name" for [name, [parent]] in persons
deepEqual join2, join3

14
test/test_regexp_interpolation.coffee
View file

@ -1,20 +1,20 @@
# Interpolate regular expressions.
name = 'Moe'
ok not not '"Moe"'.match(/^"${name}"$/i)
ok '"Moe!"'.match(/^"${name}"$/i) is null
ok not not '"Moe"'.match(/^"#{name}"$/i)
ok '"Moe!"'.match(/^"#{name}"$/i) is null
ok not not 'Moe'.match(/^$name$/)
ok 'Moe!'.match(/^$name/)
ok not not 'Moe'.match(/^#name$/)
ok 'Moe!'.match(/^#name/)
ok 'Moe!'.match(/${"${"${"$name"}"}"}/imgy)
ok 'Moe!'.match(/#{"#{"#{"#name"}"}"}/imgy)
ok '$a$b$c'.match(/\$A\$B\$C/i)
a = 1
b = 2
c = 3
ok '123'.match(/$a$b$c/i)
ok '123'.match(/#a#b#c/i)
[a, b, c] = [1, 2, /\d+/]
ok (/$a$b$c$/i).toString() is '/12/\\d+/$/i'
ok (/#a#b#c$/i).toString() is '/12/\\d+/$/i'