Linker.java 文件源码

private void replaceLabelAddress(ParserRuleContext ctx, TerminalNode terminalNode) {
    if(!secondPass) {
        return;
    }
    String label = terminalNode.getText();
    if(!definedBranches.containsKey(label)) {
        throw new LabelError("\"" + label + "\" is not defined.");
    }
    int lineNumber = ctx.start.getLine() - 1;
    String temp = new String(code[lineNumber]);
    String address = Integer.toString(definedBranches.get(label));
    temp = temp.replace(label, address);
    code[lineNumber] = temp;
}