private static HighSymbol findHighSymbol(Address addr, HighFunction highFunction) {
		HighSymbol highSymbol = null;
		if (addr.isStackAddress()) {
			LocalSymbolMap lsym = highFunction.getLocalSymbolMap();
			highSymbol = lsym.findLocal(addr, null);
		}
		else {
			GlobalSymbolMap gsym = highFunction.getGlobalSymbolMap();
			highSymbol = gsym.getSymbol(addr);
		}
		return highSymbol;
	}
Find the HighSymbol the decompiler associates with a specific address.
@param addr is the specific address
@param highFunction is the decompiler results in which to search for the symbol
@return the matching symbol or null if no symbol exists
Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/ClangVariableToken.java