Method getMethodVar

src/main/java/matcher/mapping/Mappings.java:134–179

(int varIndex, int lvIndex, int startOpIdx, int asmIndex, boolean isArg)

				}

				private MethodVarInstance getMethodVar(int varIndex, int lvIndex, int startOpIdx, int asmIndex, boolean isArg) {
					if (isArg && varIndex < -1 || varIndex >= method.getArgs().length) {
						Matcher.LOGGER.warn("Invalid var index {} for method {}", varIndex, method);
					} else if (lvIndex < -1 || lvIndex >= (isArg ? method.getArgs() : method.getVars()).length * 2 + 1) {
						Matcher.LOGGER.warn("Invalid lv index {} for method {}", lvIndex, method);
					} else if (asmIndex < -1) {
						Matcher.LOGGER.warn("Invalid lv asm index {} for method {}", asmIndex, method);
					} else {
						if (!isArg || varIndex == -1) {
							if (asmIndex >= 0) {
								varIndex = findVarIndexByAsm(isArg ? method.getArgs() : method.getVars(), asmIndex);

								if (varIndex == -1) {
									Matcher.LOGGER.warn("Invalid lv asm index {} for method {}", asmIndex, method);
									return null;
								}
							} else if (lvIndex <= -1) {
								Matcher.LOGGER.warn("Missing arg+lvt index {} for method {}", lvIndex, method);
								return null;
							} else {
								varIndex = findVarIndexByLv(isArg ? method.getArgs() : method.getVars(), lvIndex, startOpIdx);

								if (varIndex == -1) {
									Matcher.LOGGER.warn("Invalid lv index {} for method {}", lvIndex, method);
									return null;
								}
							}
						}

						MethodVarInstance var = isArg ? method.getArg(varIndex) : method.getVar(varIndex);

						if (lvIndex != -1 && var.getLvIndex() != lvIndex) {
							Matcher.LOGGER.warn("Mismatched lv index {} for method {}", lvIndex, method);
							return null;
						}

						if (asmIndex != -1 && var.getAsmIndex() != asmIndex) {
							Matcher.LOGGER.warn("Mismatched lv asm index {} for method {}", asmIndex, method);
							return null;
						}

						return var;
					}

					return null;
				}

				@Override
				public boolean visitField(String srcName, String srcDesc) {