let SymbolTable.export() optionally export non-global symbols too

This is then the same behaviour as before the .global directive was
supported.

It might be useful for debugging purposes or potentially some backward
compatibility issues (e.g. scripts that depend on the symbol printout
after assembling)

Author: wnienhaus

esp32_ulp/assemble.py

@@ -53,10 +53,10 @@ def dump(self):
         for symbol, entry in self._symbols.items():
             print(symbol, entry)
 
-    def export(self):
+    def export(self, incl_non_globals=False):
         addrs_syms = [(self.resolve_absolute(entry), symbol)
                       for symbol, entry in self._symbols.items()
-                      if symbol in self._globls]
+                      if incl_non_globals or symbol in self._globls]
         return sorted(addrs_syms)
 
     def to_abs_addr(self, section, offset):

tests/assemble.py

@@ -118,6 +118,10 @@ def test_assemble_global():
     assert 'internal' not in [x[1] for x in exported_symbols]
     assert exported_symbols == [(0, 'counter'), (2, 'entry')]
 
+    exported_symbols = a.symbols.export(True)  # include non-global symbols
+    assert 'internal' in [x[1] for x in exported_symbols]
+    assert exported_symbols == [(0, 'counter'), (1, 'internal'), (2, 'entry')]
+
 
 def test_symbols():
     st = SymbolTable({}, {}, {})