private String resolveName(String name) throws ParseException {
		if (nameMap.containsKey(name)) {
			return nameMap.get(name);
		}
		if (!canParseName(name)) {
			throw new ParseException("Can't parse name: " + name);
		}
		return name;
	}
Parse the given function signature text into a FunctionDefinitionDataType.

@param originalSignature the function signature before editing. This may be
                         null if the user is entering a new signature instead
                         of editing an existing one.
@param signatureText     the text to be parsed into a function signature.
@return the FunctionDefinitionDataType resulting from parsing.
@throws ParseException if the text could not be parsed.
@throws CancelledException if parse cancelled by user
Ghidra/Features/Base/src/main/java/ghidra/app/util/parser/FunctionSignatureParser.java