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Export PEG.VERSION property with PEG.js version

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Value of the property is read in build time from the VERSION file.
This commit is contained in:
David Majda 2010-11-14 17:11:36 +01:00
parent e3effab86b
commit 4ea2003b7b
2 changed files with 9 additions and 4 deletions
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10
Rakefile
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@ -12,18 +12,20 @@ PEGJS_OUT_FILE = "#{LIB_DIR}/peg.js"
PARSER_SRC_FILE = "#{SRC_DIR}/parser.pegjs" PARSER_SRC_FILE = "#{SRC_DIR}/parser.pegjs"
PARSER_OUT_FILE = "#{SRC_DIR}/parser.js" PARSER_OUT_FILE = "#{SRC_DIR}/parser.js"
def preprocess(input, base_dir) PEGJS_VERSION = File.read("VERSION").strip
def preprocess(input, base_dir, version)
input.split("\n").map do |line| input.split("\n").map do |line|
if line =~ /^\s*\/\/\s*@include\s*"([^"]*)"\s*$/ if line =~ /^\s*\/\/\s*@include\s*"([^"]*)"\s*$/
included_file = "#{base_dir}/#$1" included_file = "#{base_dir}/#$1"
if !File.exist?(included_file) if !File.exist?(included_file)
abort "Included file \"#{included_file}\" does not exist." abort "Included file \"#{included_file}\" does not exist."
end end
preprocess(File.read(included_file), base_dir) preprocess(File.read(included_file), base_dir, version)
else else
line line
end end
end.join("\n") end.join("\n").gsub("@VERSION", version)
end end
file PARSER_OUT_FILE => PARSER_SRC_FILE do file PARSER_OUT_FILE => PARSER_SRC_FILE do
@ -32,7 +34,7 @@ end
file PEGJS_OUT_FILE => SRC_FILES do file PEGJS_OUT_FILE => SRC_FILES do
File.open(PEGJS_OUT_FILE, "w") do |f| File.open(PEGJS_OUT_FILE, "w") do |f|
f.write(preprocess(File.read(PEGJS_SRC_FILE), SRC_DIR)) f.write(preprocess(File.read(PEGJS_SRC_FILE), SRC_DIR, PEGJS_VERSION))
end end
end end

3
src/peg.js
View file

@ -3,6 +3,9 @@
var undefined; var undefined;
var PEG = { var PEG = {
/* PEG.js version. */
VERSION: "@VERSION",
/* /*
* Generates a parser from a specified grammar and returns it. * Generates a parser from a specified grammar and returns it.
* *