private void initializeSymbols() {
		tempbase = sleigh.getUniqueBase();

		Location internalLoc = Location.INTERNALLY_DEFINED;
		symbolMap.put("inst_start", new StartSymbol(internalLoc, "inst_start", getConstantSpace()));
		symbolMap.put("inst_next", new EndSymbol(internalLoc, "inst_next", getConstantSpace()));
		symbolMap.put("inst_next2", new Next2Symbol(internalLoc, "inst_next2", getConstantSpace()));
		symbolMap.put("inst_ref", new FlowRefSymbol(internalLoc, "inst_ref", getConstantSpace()));
		symbolMap.put("inst_dest",
			new FlowDestSymbol(internalLoc, "inst_dest", getConstantSpace()));
	}
Build parser from an existing SleighLanguage.

@param language is the existing language
@param ubase is the starting offset for allocating temporary registers
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/lang/PcodeParser.java