Rename the "global" module format to "globals"

I think the new name is more widely used when describing the pattern.

README.md

@@ -100,7 +100,7 @@ You can tweak the generated parser with several options:
     `peg.generate`
   * `--extra-options-file` — file with additional options (in JSON format) to
     pass to `peg.generate`
-  * `--format` — format of the generated parser: `amd`, `global`, `node`, `umd`
+  * `--format` — format of the generated parser: `amd`, `globals`, `node`, `umd`
     (default: `node`)
   * `--optimize` — selects between optimizing the generated parser for parsing
     speed (`speed`) or code size (`size`) (default: `speed`)
@@ -146,8 +146,8 @@ object to `peg.generate`. The following options are supported:
     `"umd"` (default: `{}`)
   * `exportVar` — name of a global variable into which the parser object is
     assigned to when no module loader is detected; valid only when `format` is
-    set to `"global"` or `"umd"` (default: `null`)
-  * `format` — format of the genreated parser (`"amd"`, `"bare"`, `"global"`,
+    set to `"globals"` or `"umd"` (default: `null`)
+  * `format` — format of the genreated parser (`"amd"`, `"bare"`, `"globals"`,
     `"node"`, or `"umd"`); valid only when `output` is set to `"source"`
     (default: `"bare"`)
   * `optimize`— selects between optimizing the generated parser for parsing

bin/pegjs

@@ -31,8 +31,8 @@ function printHelp() {
   console.log("                                     to peg.generate");
   console.log("      --extra-options-file <file>    file with additional options (in JSON");
   console.log("                                     format) to pass to peg.generate");
-  console.log("      --format <format>              format of the generated parser: amd, global,");
-  console.log("                                     node, umd (default: node)");
+  console.log("      --format <format>              format of the generated parser: amd,");
+  console.log("                                     globals, node, umd (default: node)");
   console.log("  -h, --help                         print help and exit");
   console.log("  -O, --optimize <goal>              select optimization for speed or size");
   console.log("                                     (default: speed)");
@@ -186,8 +186,8 @@ while (args.length > 0 && isOption(args[0])) {
       if (args.length === 0) {
         abort("Missing parameter of the --format option.");
       }
-      if (args[0] !== "amd" && args[0] !== "global" && args[0] !== "node" && args[0] !== "umd") {
-        abort("Module format must be one of \"amd\", \"global\", \"node\", and \"umd\".");
+      if (args[0] !== "amd" && args[0] !== "globals" && args[0] !== "node" && args[0] !== "umd") {
+        abort("Module format must be one of \"amd\", \"globals\", \"node\", and \"umd\".");
       }
       options.format = args[0];
       break;
@@ -263,7 +263,7 @@ if (objects.keys(options.dependencies).length > 0) {
 }
 
 if (options.exportVar !== null) {
-  if (options.format !== "global" && options.format !== "umd") {
+  if (options.format !== "globals" && options.format !== "umd") {
       abort("Can't use the -e/--export-var option with the \"" + options.format + "\" module format.");
   }
 }

lib/compiler/passes/generate-js.js

@@ -1323,7 +1323,7 @@ function generateJS(ast, options) {
         ].join('\n');
       },
 
-      global: function() {
+      globals: function() {
         return [
           generateGeneratedByComment(),
           '(function(root) {',