Rename internal USER_EXPORTED_FUNCTIONS setting. NFC

In preparation for emscripten-core#8380

Author: sbc100

emcc.py

@@ -292,7 +292,7 @@ def apply_user_settings():
 
     if key == 'EXPORTED_FUNCTIONS':
       # used for warnings in emscripten.py
-      settings.USER_EXPORTED_FUNCTIONS = settings.EXPORTED_FUNCTIONS.copy()
+      settings.USER_EXPORTS = settings.EXPORTED_FUNCTIONS.copy()
 
     # TODO(sbc): Remove this legacy way.
     if key == 'WASM_OBJECT_FILES':

src/settings_internal.js

@@ -125,8 +125,8 @@ var EMIT_NAME_SECTION = false;
 // Whether we are emitting a symbol map.
 var EMIT_SYMBOL_MAP = false;
 
-// List of function explicitly exported by user on the command line.
-var USER_EXPORTED_FUNCTIONS = [];
+// List of symbols explicitly exported by user on the command line.
+var USER_EXPORTS = [];
 
 // name of the file containing wasm binary, if relevant
 var WASM_BINARY_FILE = '';

tools/emscripten.py

@@ -230,7 +230,7 @@ def set_memory(static_bump):
 def report_missing_exports_wasm_only(metadata):
   if diagnostics.is_enabled('undefined'):
     defined_symbols = set(asmjs_mangle(e) for e in metadata.all_exports)
-    missing = set(settings.USER_EXPORTED_FUNCTIONS) - defined_symbols
+    missing = set(settings.USER_EXPORTS) - defined_symbols
     for symbol in sorted(missing):
       diagnostics.warning('undefined', f'undefined exported symbol: "{symbol}"')
 
@@ -240,7 +240,7 @@ def report_missing_exports(js_symbols):
     # Report any symbol that was explicitly exported but is present neither
     # as a native function nor as a JS library function.
     defined_symbols = set(asmjs_mangle(e) for e in settings.WASM_EXPORTS).union(js_symbols)
-    missing = set(settings.USER_EXPORTED_FUNCTIONS) - defined_symbols
+    missing = set(settings.USER_EXPORTS) - defined_symbols
     for symbol in sorted(missing):
       diagnostics.warning('undefined', f'undefined exported symbol: "{symbol}"')
 
@@ -600,7 +600,7 @@ def finalize_wasm(infile, outfile, js_syms):
   unexpected_exports = [e for e in unexpected_exports if e not in expected_exports]
 
   if not settings.STANDALONE_WASM and 'main' in metadata.all_exports or '__main_argc_argv' in metadata.all_exports:
-    if 'EXPORTED_FUNCTIONS' in user_settings and '_main' not in settings.USER_EXPORTED_FUNCTIONS:
+    if 'EXPORTED_FUNCTIONS' in user_settings and '_main' not in settings.USER_EXPORTS:
       # If `_main` was unexpectedly exported we assume it was added to
       # EXPORT_IF_DEFINED by `phase_linker_setup` in order that we can detect
       # it and report this warning.  After reporting the warning we explicitly

tools/link.py

@@ -807,7 +807,7 @@ def phase_linker_setup(options, state, newargs):
     # 2. If the user doesn't export anything we default to exporting `_main` (unless `--no-entry`
     #    is specified (see above).
     if 'EXPORTED_FUNCTIONS' in user_settings:
-      if '_main' in settings.USER_EXPORTED_FUNCTIONS:
+      if '_main' in settings.USER_EXPORTS:
         settings.EXPORTED_FUNCTIONS.remove('_main')
         settings.EXPORT_IF_DEFINED.append('main')
       else:
@@ -998,7 +998,7 @@ def phase_linker_setup(options, state, newargs):
   if settings.MAIN_MODULE == 1 or settings.SIDE_MODULE == 1:
     settings.LINKABLE = 1
 
-  if settings.LINKABLE and settings.USER_EXPORTED_FUNCTIONS:
+  if settings.LINKABLE and settings.USER_EXPORTS:
     diagnostics.warning('unused-command-line-argument', 'EXPORTED_FUNCTIONS is not valid with LINKABLE set (normally due to SIDE_MODULE=1/MAIN_MODULE=1) since all functions are exported this mode.  To export only a subset use SIDE_MODULE=2/MAIN_MODULE=2')
 
   if settings.MAIN_MODULE: