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# ===== Variables =====
PEGJS_VERSION = `cat $(VERSION_FILE)`
# ===== Modules =====
# Order matters -- dependencies must be listed before modules dependent on them.
MODULES = utils \
grammar-error \
parser \
compiler/opcodes \
compiler/passes/generate-bytecode \
compiler/passes/generate-javascript \
compiler/passes/remove-proxy-rules \
compiler/passes/report-left-recursion \
compiler/passes/report-missing-rules \
compiler \
peg
# ===== Directories =====
SRC_DIR = src
LIB_DIR = lib
BIN_DIR = bin
BROWSER_DIR = browser
SPEC_DIR = spec
BENCHMARK_DIR = benchmark
NODE_MODULES_DIR = node_modules
NODE_MODULES_BIN_DIR = $(NODE_MODULES_DIR)/.bin
# ===== Files =====
PARSER_SRC_FILE = $(SRC_DIR)/parser.pegjs
PARSER_OUT_FILE = $(LIB_DIR)/parser.js
BROWSER_FILE_DEV = $(BROWSER_DIR)/peg-$(PEGJS_VERSION).js
BROWSER_FILE_MIN = $(BROWSER_DIR)/peg-$(PEGJS_VERSION).min.js
VERSION_FILE = VERSION
# ===== Executables =====
JSHINT = $(NODE_MODULES_BIN_DIR)/jshint
UGLIFYJS = $(NODE_MODULES_BIN_DIR)/uglifyjs
JASMINE_NODE = $(NODE_MODULES_BIN_DIR)/jasmine-node
PEGJS = $(BIN_DIR)/pegjs
BENCHMARK_RUN = $(BENCHMARK_DIR)/run
# ===== Targets =====
# Default target
all: browser
# Generate the grammar parser
parser:
$(PEGJS) $(PARSER_SRC_FILE) $(PARSER_OUT_FILE)
# Build the browser version of the library
browser:
mkdir -p $(BROWSER_DIR)
rm -f $(BROWSER_FILE_DEV)
rm -f $(BROWSER_FILE_MIN)
# The following code is inspired by CoffeeScript's Cakefile.
echo '/*' >> $(BROWSER_FILE_DEV)
echo " * PEG.js $(PEGJS_VERSION)" >> $(BROWSER_FILE_DEV)
echo ' *' >> $(BROWSER_FILE_DEV)
echo ' * http://pegjs.majda.cz/' >> $(BROWSER_FILE_DEV)
echo ' *' >> $(BROWSER_FILE_DEV)
echo ' * Copyright (c) 2010-2013 David Majda' >> $(BROWSER_FILE_DEV)
echo ' * Licensed under the MIT license.' >> $(BROWSER_FILE_DEV)
echo ' */' >> $(BROWSER_FILE_DEV)
echo 'var PEG = (function(undefined) {' >> $(BROWSER_FILE_DEV)
echo ' var modules = {' >> $(BROWSER_FILE_DEV)
echo ' define: function(name, factory) {' >> $(BROWSER_FILE_DEV)
echo ' var dir = name.replace(/(^|\/)[^/]+$$/, "$$1"),' >> $(BROWSER_FILE_DEV)
echo ' module = { exports: {} };' >> $(BROWSER_FILE_DEV)
echo '' >> $(BROWSER_FILE_DEV)
echo ' function require(path) {' >> $(BROWSER_FILE_DEV)
echo ' var name = dir + path,' >> $(BROWSER_FILE_DEV)
echo ' regexp = /[^\/]+\/\.\.\/|\.\//;' >> $(BROWSER_FILE_DEV)
echo '' >> $(BROWSER_FILE_DEV)
echo " /* Can't use /.../g because we can move backwards in the string. */" >> $(BROWSER_FILE_DEV)
echo ' while (regexp.test(name)) {' >> $(BROWSER_FILE_DEV)
echo ' name = name.replace(regexp, "");' >> $(BROWSER_FILE_DEV)
echo ' }' >> $(BROWSER_FILE_DEV)
echo '' >> $(BROWSER_FILE_DEV)
echo ' return modules[name];' >> $(BROWSER_FILE_DEV)
echo ' }' >> $(BROWSER_FILE_DEV)
echo '' >> $(BROWSER_FILE_DEV)
echo ' factory(module, require);' >> $(BROWSER_FILE_DEV)
echo ' this[name] = module.exports;' >> $(BROWSER_FILE_DEV)
echo ' }' >> $(BROWSER_FILE_DEV)
echo ' };' >> $(BROWSER_FILE_DEV)
echo '' >> $(BROWSER_FILE_DEV)
for module in $(MODULES); do \
echo " modules.define(\"$$module\", function(module, require) {" >> $(BROWSER_FILE_DEV); \
sed -e 's/^/ /' lib/$$module.js >> $(BROWSER_FILE_DEV); \
echo ' });' >> $(BROWSER_FILE_DEV); \
echo '' >> $(BROWSER_FILE_DEV); \
done
echo ' return modules["peg"]' >> $(BROWSER_FILE_DEV)
echo '})();' >> $(BROWSER_FILE_DEV)
$(UGLIFYJS) \
--mangle \
--compress warnings=false \
--comments /Copyright/ \
-o $(BROWSER_FILE_MIN) \
$(BROWSER_FILE_DEV)
# Remove browser version of the library (created by "browser")
browserclean:
rm -rf $(BROWSER_DIR)
# Run the spec suite
spec:
$(JASMINE_NODE) --verbose $(SPEC_DIR)
# Run the benchmark suite
benchmark:
$(BENCHMARK_RUN)
# Run JSHint on the source
hint:
$(JSHINT) \
`find $(LIB_DIR) -name '*.js'` \
`find $(SPEC_DIR) -name '*.js' -and -not -path '$(SPEC_DIR)/vendor/*'` \
$(BENCHMARK_DIR)/*.js \
$(BENCHMARK_RUN) \
$(PEGJS)
.PHONY: all parser browser browserclean spec benchmark hint
.SILENT: all parser browser browserclean spec benchmark hint