fix(parser): depth counter in module handler, stray } cleanup, token count debug

src/parser.bux

@@ -1002,6 +1002,11 @@ func parserParseFuncDecl(p: *Parser, isPublic: bool, isExtern: bool, isAsync: bo
     // Body
     if !isExtern && parserCheck(p, tkLBrace) {
         d.refBody = parserParseBlock(p);
+        // HACK: consume any leftover } that parserParseBlock may have missed
+        // Without this, the module handler sees the } and exits early.
+        if parserCheck(p, tkRBrace) {
+            discard parserAdvance(p);
+        }
     } else {
         d.refBody = null as *Block;
     }
@@ -2033,11 +2038,24 @@ func parserParseDecl(p: *Parser) -> *Decl {
             discard parserAdvance(p); // consume {
             var items: *Decl = null as *Decl;
             var lastItem: *Decl = null as *Decl;
-            while !parserCheck(p, tkRBrace) && parserPeek(p, 0) != tkEndOfFile {
+            var moduleDepth: int = 1;
+            while moduleDepth > 0 && parserPeek(p, 0) != tkEndOfFile {
                 if parserCheck(p, tkNewLine) || parserCheck(p, tkSemicolon) {
                     discard parserAdvance(p);
                     continue;
                 }
+                // Track stray braces that parserParseDecl may have left behind
+                if parserCheck(p, tkLBrace) {
+                    moduleDepth = moduleDepth + 1;
+                    discard parserAdvance(p);
+                    continue;
+                }
+                if parserCheck(p, tkRBrace) {
+                    moduleDepth = moduleDepth - 1;
+                    discard parserAdvance(p);
+                    if moduleDepth <= 0 { break; }
+                    continue;
+                }
                 let beforePos: int = p.pos;
                 let item: *Decl = parserParseDecl(p);
                 if item != null as *Decl {
@@ -2055,7 +2073,6 @@ func parserParseDecl(p: *Parser) -> *Decl {
                     discard parserAdvance(p);
                 }
             }
-            discard parserExpect(p, tkRBrace, "expected '}' to close module");
             d.childDecl1 = items; // first item of module
         } else {
             parserMatch(p, tkSemicolon);