[Pkg-javascript-commits] [uglifyjs] 421/491: improve SymbolDef info in `--output ast` (#2778)

[Jonas Smedegaard]

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js pushed a commit to annotated tag debian/3.3.10-1
in repository uglifyjs.

commit 2cab34834191ea4fb48059e5725b631ff2752aa4
Author: kzc <kzc at users.noreply.github.com>
Date:   Sat Jan 13 12:40:51 2018 -0500

    improve SymbolDef info in `--output ast` (#2778)
    
    * SymbolDef info (a.k.a. `thedef`) is now represented as a string containing `"ID name [mangled_name]"`.
    * Enhance display of `globals`, `variables`, `functions` and `enclosed`.
    * `SymbolDef.next_id` starts at `1` and the `id` is adjusted for `-o ast` display.
---
 bin/uglifyjs | 27 ++++++++++-----------------
 lib/scope.js |  2 +-
 2 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/bin/uglifyjs b/bin/uglifyjs
index 99248f1..9a3257e 100755
--- a/bin/uglifyjs
+++ b/bin/uglifyjs
@@ -227,28 +227,15 @@ function run() {
             result.ast.figure_out_scope({});
         }
         print(JSON.stringify(result.ast, function(key, value) {
-            switch (key) {
+            if (value) switch (key) {
               case "thedef":
-                if (typeof value == "object" && typeof value.id == "number") {
-                    return value.id;
-                }
-                return;
+                return symdef(value);
               case "enclosed":
-                return value.map(function(sym){
-                    return sym.id;
-                });
+                return value.length ? value.map(symdef) : undefined;
               case "variables":
               case "functions":
               case "globals":
-                if (value && value.size()) {
-                    var ret = {};
-                    value.each(function(val, key) {
-                        // key/val inverted for readability.
-                        ret[val.id] = key;
-                    });
-                    return ret;
-                }
-                return;
+                return value.size() ? value.map(symdef) : undefined;
             }
             if (skip_key(key)) return;
             if (value instanceof UglifyJS.AST_Token) return;
@@ -403,6 +390,12 @@ function skip_key(key) {
     return skip_keys.indexOf(key) >= 0;
 }
 
+function symdef(def) {
+    var ret = (1e6 + def.id) + " " + def.name;
+    if (def.mangled_name) ret += " " + def.mangled_name;
+    return ret;
+}
+
 function format_object(obj) {
     var lines = [];
     var padding = "";
diff --git a/lib/scope.js b/lib/scope.js
index 55b3ddb..af852bb 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -57,7 +57,7 @@ function SymbolDef(scope, orig, init) {
     this.id = SymbolDef.next_id++;
 };
 
-SymbolDef.next_id = 1e6;
+SymbolDef.next_id = 1;
 
 SymbolDef.prototype = {
     unmangleable: function(options) {

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