Update documentation/demos based on cleanup

docs/source/code_examples/functional/dummy.cc

@@ -24,19 +24,19 @@ struct FunctionalDummyBackend : public Backend {
 
 			// write node functions
 			for (auto node : ir)
-				*f << "  assign " << id2cstr(node.name())
+				*f << "  assign " << node.name().unescape()
 				   << " = " << node.to_string() << "\n";
 			*f << "\n";
 
 			// write outputs and next state
 			for (auto output : ir.outputs())
-				*f << " " << id2cstr(output->kind)
-				   << " " << id2cstr(output->name)
-				   << " = " << id2cstr(output->value().name()) << "\n";
+				*f << " " << output->kind.unescape()
+				   << " " << output->name.unescape()
+				   << " = " << output->value().name().unescape() << "\n";
 			for (auto state : ir.states())
-				*f << " " << id2cstr(state->kind)
-				   << " " << id2cstr(state->name)
-				   << " = " << id2cstr(state->next_value().name()) << "\n";
+				*f << " " << state->kind.unescape()
+				   << " " << state->name.unescape()
+				   << " = " << state->next_value().name().unescape() << "\n";
 		}
 	}
 } FunctionalDummyBackend;

docs/source/yosys_internals/extending_yosys/extensions.rst

@@ -230,8 +230,7 @@ Use ``log_error()`` to report a non-recoverable error:
 .. code:: C++
 
     if (design->modules.count(module->name) != 0)
-        log_error("A module with the name %s already exists!\n",
-                   RTLIL::id2cstr(module->name));
+        log_error("A module with the name %s already exists!\n", module);
 
 Use ``log_cmd_error()`` to report a recoverable error:
 

docs/source/yosys_internals/extending_yosys/functional_ir.rst

@@ -181,7 +181,7 @@ pointer ``f`` to the output file, or stdout if none is given.
 
 For this minimal example all we are doing is printing out each node.  The
 ``node.name()`` method returns an ``RTLIL::IdString``, which we convert for
-printing with ``id2cstr()``.  Then, to print the function of the node, we use
+printing with ``unescape()``.  Then, to print the function of the node, we use
 ``node.to_string()`` which gives us a string of the form ``function(args)``. The
 ``function`` part is the result of ``Functional::IR::fn_to_string(node.fn())``;
 while ``args`` is the zero or more arguments passed to the function, most