- /* Warn if two storage classes are given. Default to `auto'. */
-
- {
- int nclasses = 0;
-
- if (specbits & 1 << (int) RID_AUTO) nclasses++;
- if (specbits & 1 << (int) RID_STATIC) nclasses++;
- if (specbits & 1 << (int) RID_EXTERN) nclasses++;
- if (specbits & 1 << (int) RID_REGISTER) nclasses++;
- if (specbits & 1 << (int) RID_TYPEDEF) nclasses++;
-
- /* "static __thread" and "extern __thread" are allowed. */
- if ((specbits & (1 << (int) RID_THREAD
- | 1 << (int) RID_STATIC
- | 1 << (int) RID_EXTERN)) == (1 << (int) RID_THREAD))
- nclasses++;
-
- /* Warn about storage classes that are invalid for certain
- kinds of declarations (parameters, typenames, etc.). */
-
- if (nclasses > 1)
- error ("multiple storage classes in declaration of `%s'", name);
- else if (funcdef_flag
- && (specbits
- & ((1 << (int) RID_REGISTER)
- | (1 << (int) RID_AUTO)
- | (1 << (int) RID_TYPEDEF)
- | (1 << (int) RID_THREAD))))
- {
- if (specbits & 1 << (int) RID_AUTO
- && (pedantic || current_scope == file_scope))
- pedwarn ("function definition declared `auto'");
- if (specbits & 1 << (int) RID_REGISTER)
- error ("function definition declared `register'");
- if (specbits & 1 << (int) RID_TYPEDEF)
- error ("function definition declared `typedef'");
- if (specbits & 1 << (int) RID_THREAD)
- error ("function definition declared `__thread'");
- specbits &= ~((1 << (int) RID_TYPEDEF) | (1 << (int) RID_REGISTER)
- | (1 << (int) RID_AUTO) | (1 << (int) RID_THREAD));
- }
- else if (decl_context != NORMAL && nclasses > 0)
- {
- if (decl_context == PARM && specbits & 1 << (int) RID_REGISTER)
- ;
- else
- {
- switch (decl_context)
- {
- case FIELD:
- error ("storage class specified for structure field `%s'",
- name);
- break;
- case PARM:
- error ("storage class specified for parameter `%s'", name);
- break;
- default:
- error ("storage class specified for typename");
- break;
- }
- specbits &= ~((1 << (int) RID_TYPEDEF) | (1 << (int) RID_REGISTER)
- | (1 << (int) RID_AUTO) | (1 << (int) RID_STATIC)
- | (1 << (int) RID_EXTERN) | (1 << (int) RID_THREAD));
- }
- }
- else if (specbits & 1 << (int) RID_EXTERN && initialized && ! funcdef_flag)
- {
- /* `extern' with initialization is invalid if not at file scope. */
- if (current_scope == file_scope)
- warning ("`%s' initialized and declared `extern'", name);
- else
- error ("`%s' has both `extern' and initializer", name);
- }
- else if (current_scope == file_scope)
- {
- if (specbits & 1 << (int) RID_AUTO)
- error ("file-scope declaration of `%s' specifies `auto'", name);
- }
- else
- {
- if (specbits & 1 << (int) RID_EXTERN && funcdef_flag)
- error ("nested function `%s' declared `extern'", name);
- else if ((specbits & (1 << (int) RID_THREAD
- | 1 << (int) RID_EXTERN
- | 1 << (int) RID_STATIC))
- == (1 << (int) RID_THREAD))
- {
- error ("function-scope `%s' implicitly auto and declared `__thread'",
- name);
- specbits &= ~(1 << (int) RID_THREAD);
- }
- }
- }
+ /* Warn about storage classes that are invalid for certain
+ kinds of declarations (parameters, typenames, etc.). */
+
+ if (funcdef_flag
+ && (threadp
+ || storage_class == csc_auto
+ || storage_class == csc_register
+ || storage_class == csc_typedef))
+ {
+ if (storage_class == csc_auto
+ && (pedantic || current_scope == file_scope))
+ pedwarn ("function definition declared %<auto%>");
+ if (storage_class == csc_register)
+ error ("function definition declared %<register%>");
+ if (storage_class == csc_typedef)
+ error ("function definition declared %<typedef%>");
+ if (threadp)
+ error ("function definition declared %<__thread%>");
+ threadp = false;
+ if (storage_class == csc_auto
+ || storage_class == csc_register
+ || storage_class == csc_typedef)
+ storage_class = csc_none;
+ }
+ else if (decl_context != NORMAL && (storage_class != csc_none || threadp))
+ {
+ if (decl_context == PARM && storage_class == csc_register)
+ ;
+ else
+ {
+ switch (decl_context)
+ {
+ case FIELD:
+ error ("storage class specified for structure field %qs",
+ name);
+ break;
+ case PARM:
+ error ("storage class specified for parameter %qs", name);
+ break;
+ default:
+ error ("storage class specified for typename");
+ break;
+ }
+ storage_class = csc_none;
+ threadp = false;
+ }
+ }
+ else if (storage_class == csc_extern
+ && initialized
+ && !funcdef_flag)
+ {
+ /* 'extern' with initialization is invalid if not at file scope. */
+ if (current_scope == file_scope)
+ warning ("%qs initialized and declared %<extern%>", name);
+ else
+ error ("%qs has both %<extern%> and initializer", name);
+ }
+ else if (current_scope == file_scope)
+ {
+ if (storage_class == csc_auto)
+ error ("file-scope declaration of `%s' specifies `auto'", name);
+ if (pedantic && storage_class == csc_register)
+ pedwarn ("file-scope declaration of %qs specifies %<register%>", name);
+ }
+ else
+ {
+ if (storage_class == csc_extern && funcdef_flag)
+ error ("nested function `%s' declared `extern'", name);
+ else if (threadp && storage_class == csc_none)
+ {
+ error ("function-scope %qs implicitly auto and declared "
+ "%<__thread%>",
+ name);
+ threadp = false;
+ }
+ }