separate common settings and embedding script

scripts/common.rb

+require 'fileutils'
+require 'pathname'
+
+SNPI = "./build/bin/snpi"
+PISN = "./build/bin/pisn"
+
+WASM_OPT = "./build/binaryen/build/bin/wasm-opt"
+
+WASM_BINARIES = {
+  :source_map => "./node_modules/source-map/lib/mappings.wasm",
+  :wasm_flate => "./node_modules/wasm-flate/wasm_flate_bg.wasm",
+  :ammo => "./node_modules/ammo.js/builds/ammo.wasm.wasm",
+  :jq => "./node_modules/jq-web/jq.wasm.wasm",
+  :vim_small => "./node_modules/vim-wasm/small/vim.wasm",
+  :vim => "./node_modules/vim-wasm/vim.wasm",
+}
+
+OUTPUT_DIRS = {
+  :source_map => "./out/source-map",
+  :wasm_flate => "./out/wasm-flate",
+  :ammo => "./out/ammo.js",
+  :jq => "./out/jq-web",
+  :vim => "./out/vim-wasm",
+  :vim_small => "./out/vim-wasm/small",
+}
+
+METHODS = [
+  {:name => "function-reorder", :abbr => "fn"},
+  {:name => "export-reorder", :abbr => "ex"},
+  {:name => "operand-swap", :abbr => "op"},
+]
+
+OPT_PASSES = [
+  "coalesce-locals",
+  "code-folding",
+  "code-pushing",
+  "dae-optimizing",
+  "dce",
+  "directize",
+  "duplicate-function-elimination",
+  "duplicate-import-elimination",
+  "flatten",
+  "generate-stack-ir",
+  "inlining-optimizing",
+  # "local-cse", # must be --flatten before
+  "memory-packing",
+  "merge-blocks",
+  "merge-locals",
+  # "optimize-added-constants-propagate", # Assertion failed
+  # "optimize-added-constants", # Assertion failed
+  "optimize-instructions",
+  "optimize-stack-ir",
+  "pick-load-signs",
+  "precompute-propagate",
+  "precompute",
+  "remove-unused-brs",
+  "remove-unused-module-elements",
+  "remove-unused-names",
+  "reorder-locals",
+  "rse",
+  "simplify-globals-optimizing",
+  "simplify-globals",
+  "simplify-locals-nostructure",
+  "simplify-locals",
+  "ssa-nomerge",
+  "vacuum",
+]
+
+WATERMARK = "N7AStlK2gioIqeRi"
+
+def copy(file, out)
+    FileUtils.copy(file, out, {:verbose => true})
+end
+
+def embed(file, out, method, watermark, chunk_size = 20)
+  output = IO.popen([SNPI, "-o", out.to_s, "-m", method, "-w", watermark, "-c", chunk_size.to_s, file.to_s]).read
+
+  puts "embed #{file}, #{out}, #{method}, #{watermark}, #{output}"
+end
+
+def optimize(file, out, pass)
+  output = IO.popen([WASM_OPT, "-o", out.to_s, "--#{pass}", file.to_s]).read
+
+  puts "optimize #{file}, #{out}, #{pass}, #{output}"
+end

scripts/embed.rb

 #!/usr/bin/env ruby
-require 'fileutils'
-require 'pathname'
+require_relative './common'
 
-SNPI = "./build/bin/snpi"
-PISN = "./build/bin/pisn"
-
-WASM_OPT = "./build/binaryen/build/bin/wasm-opt"
-
-WASM_BINARIES = {
-  :source_map => "./node_modules/source-map/lib/mappings.wasm",
-  :wasm_flate => "./node_modules/wasm-flate/wasm_flate_bg.wasm",
-  :ammo => "./node_modules/ammo.js/builds/ammo.wasm.wasm",
-  :jq => "./node_modules/jq-web/jq.wasm.wasm",
-  :vim_small => "./node_modules/vim-wasm/small/vim.wasm",
-  :vim => "./node_modules/vim-wasm/vim.wasm",
-}
-
-OUTPUT_DIRS = {
-  :source_map => "./out/source-map",
-  :wasm_flate => "./out/wasm-flate",
-  :ammo => "./out/ammo.js",
-  :jq => "./out/jq-web",
-  :vim => "./out/vim-wasm",
-  :vim_small => "./out/vim-wasm/small",
-}
-
-METHODS = [
-  {:name => "function-reorder", :abbr => "fn"},
-  {:name => "export-reorder", :abbr => "ex"},
-  {:name => "operand-swap", :abbr => "op"},
-]
-
-watermark = "N7AStlK2gioIqeRi"
-
-OPT_PASSES = [
-  "coalesce-locals",
-  "code-folding",
-  "code-pushing",
-  "dae-optimizing",
-  "dce",
-  "directize",
-  "duplicate-function-elimination",
-  "duplicate-import-elimination",
-  "flatten",
-  "generate-stack-ir",
-  "inlining-optimizing",
-  # "local-cse", # must be --flatten before
-  "memory-packing",
-  "merge-blocks",
-  "merge-locals",
-  # "optimize-added-constants-propagate", # Assertion failed
-  # "optimize-added-constants", # Assertion failed
-  "optimize-instructions",
-  "optimize-stack-ir",
-  "pick-load-signs",
-  "precompute-propagate",
-  "precompute",
-  "remove-unused-brs",
-  "remove-unused-module-elements",
-  "remove-unused-names",
-  "reorder-locals",
-  "rse",
-  "simplify-globals-optimizing",
-  "simplify-globals",
-  "simplify-locals-nostructure",
-  "simplify-locals",
-  "ssa-nomerge",
-  "vacuum",
-]
-
-def copy(file, out)
-    FileUtils.copy(file, out, {:verbose => true})
-end
-
-def embed(file, out, method, watermark, chunk_size = 20)
-  output = IO.popen([SNPI, "-o", out.to_s, "-m", method, "-w", watermark, "-c", chunk_size.to_s, file.to_s]).read
-
-  puts "embed #{file}, #{out}, #{method}, #{watermark}, #{output}"
-end
-
-def optimize(file, out, pass)
-  output = IO.popen([WASM_OPT, "-o", out.to_s, "--#{pass}", file.to_s]).read
-
-  puts "optimize #{file}, #{out}, #{pass}, #{output}"
-end
+watermark = WATERMARK
 
 WASM_BINARIES.each do |id, file|
   dir = Pathname(OUTPUT_DIRS[id])