log filename in parse errors / compressor warnings

lib/parse.js

@@ -254,9 +254,13 @@ JS_Parse_Error.prototype.toString = function() {
     return this.message + " (line: " + this.line + ", col: " + this.col + ", pos: " + this.pos + ")" + "\n\n" + this.stack;
 };
 
-function js_error(message, line, col, pos) {
-    console.log("***", message);
-    console.log("*** LINE:", line, "COL:", col, "POS:", pos);
+function js_error(message, filename, line, col, pos) {
+    AST_Node.warn("ERROR: {message} [{file}:{line},{col}]", {
+        message: message,
+        file: filename,
+        line: line,
+        col: col
+    });
     throw new JS_Parse_Error(message, line, col, pos);
 };
 
@@ -270,6 +274,7 @@ function tokenizer($TEXT, filename) {
 
     var S = {
         text            : $TEXT.replace(/\r\n?|[\n\u2028\u2029]/g, "\n").replace(/^\uFEFF/, ''),
+        filename        : filename,
         pos             : 0,
         tokpos          : 0,
         line            : 0,
@@ -354,7 +359,7 @@ function tokenizer($TEXT, filename) {
     };
 
     function parse_error(err) {
-        js_error(err, S.tokline, S.tokcol, S.tokpos);
+        js_error(err, filename, S.tokline, S.tokcol, S.tokpos);
     };
 
     function read_num(prefix) {
@@ -718,6 +723,7 @@ function parse($TEXT, options) {
     function croak(msg, line, col, pos) {
         var ctx = S.input.context();
         js_error(msg,
+                 ctx.filename,
                  line != null ? line : ctx.tokline,
                  col != null ? col : ctx.tokcol,
                  pos != null ? pos : ctx.tokpos);