ball_syntaxtree.xml

这是一个用java语言编写的小型C语言的语法分析器。

            </tree>
        </child>
    </tree>
    <tree line="45" nodetype="FunDecl" nodestring="main" rettype="void">
        <child>
            <tree line="47" nodetype="VarDecl" nodestring="ball" vartype="Ball" modifier="" isArray="0" />
            <tree line="48" nodetype="AssignStm" nodestring="=">
                <child>
                    <tree line="48" nodetype="VarID" nodestring="ball" isArray="0" />
                </child>
                <child>
                    <tree line="48" nodetype="NewStm" nodestring="new">
                        <child>
                            <tree line="48" nodetype="FunCall" nodestring="Ball">
                                <child>
                                    <tree line="48" nodetype="ConstID" nodestring="1" />
                                    <tree line="48" nodetype="ConstID" nodestring="2" />
                                </child>
                            </tree>
                        </child>
                    </tree>
                </child>
            </tree>
            <tree line="49" nodetype="ObjectVar" nodestring="ball">
                <child>
                    <tree line="49" nodetype="FunCall" nodestring="Increase" />
                </child>
            </tree>
            <tree line="50" nodetype="ObjectVar" nodestring="ball">
                <child>
                    <tree line="50" nodetype="FunCall" nodestring="TestEX" />
                </child>
            </tree>
            <tree line="51" nodetype="VarDecl" nodestring="bb" vartype="basketBall" modifier="" isArray="0" />
            <tree line="52" nodetype="AssignStm" nodestring="=">
                <child>
                    <tree line="52" nodetype="VarID" nodestring="bb" isArray="0" />
                </child>
                <child>
                    <tree line="52" nodetype="NewStm" nodestring="new">
                        <child>
                            <tree line="52" nodetype="FunCall" nodestring="basketBall">
                                <child>
                                    <tree line="52" nodetype="ConstID" nodestring="2" />
                                    <tree line="52" nodetype="ConstID" nodestring="3" />
                                </child>
                            </tree>
                        </child>
                    </tree>
                </child>
            </tree>
            <tree line="53" nodetype="VarDecl" nodestring="s" vartype="int" modifier="" isArray="0" />
            <tree line="54" nodetype="AssignStm" nodestring="=">
                <child>
                    <tree line="54" nodetype="VarID" nodestring="s" isArray="0" />
                </child>
                <child>
                    <tree line="54" nodetype="ObjectVar" nodestring="bb">
                        <child>
                            <tree line="54" nodetype="FunCall" nodestring="size" />
                        </child>
                    </tree>
                </child>
            </tree>
            <tree line="55" nodetype="FunCall" nodestring="playBall">
                <child>
                    <tree line="55" nodetype="VarID" nodestring="ball" isArray="0" />
                </child>
            </tree>
        </child>
    </tree>
    <tree line="57" nodetype="FunDecl" nodestring="playBall" rettype="void">
        <child>
            <tree line="57" nodetype="Para" nodestring="ball" vartype="Ball" isArray="0" />
        </child>
        <child>
            <tree line="59" nodetype="VarDecl" nodestring="i" vartype="int" modifier="" isArray="0" />
            <tree line="60" nodetype="AssignStm" nodestring="=">
                <child>
                    <tree line="60" nodetype="VarID" nodestring="i" isArray="0" />
                </child>
                <child>
                    <tree line="60" nodetype="ConstID" nodestring="0" />
                </child>
            </tree>
            <tree line="61" nodetype="WhileStm" nodestring="while">
                <child>
                    <tree line="61" nodetype="RLT" nodestring="&lt;">
                        <child>
                            <tree line="61" nodetype="VarID" nodestring="i" isArray="0" />
                        </child>
                        <child>
                            <tree line="61" nodetype="ConstID" nodestring="4" />
                        </child>
                    </tree>
                </child>
                <child>
                    <tree line="62" nodetype="TryStm" nodestring="try">
                        <child>
                            <tree line="64" nodetype="IfStm" nodestring="if">
                                <child>
                                    <tree line="64" nodetype="REQ" nodestring="==">
                                        <child>
                                            <tree line="64" nodetype="VarID" nodestring="i" isArray="0" />
                                        </child>
                                        <child>
                                            <tree line="64" nodetype="ConstID" nodestring="3" />
                                        </child>
                                    </tree>
                                </child>
                                <child>
                                    <tree line="65" nodetype="ThrowStm" nodestring="throw">
                                        <child>
                                            <tree line="65" nodetype="VarID" nodestring="ball" />
                                        </child>
                                    </tree>
                                </child>
                            </tree>
                            <tree line="66" nodetype="AssignStm" nodestring="=">
                                <child>
                                    <tree line="66" nodetype="VarID" nodestring="i" isArray="0" />
                                </child>
                                <child>
                                    <tree line="66" nodetype="ADD" nodestring="+">
                                        <child>
                                            <tree line="66" nodetype="VarID" nodestring="i" isArray="0" />
                                        </child>
                                        <child>
                                            <tree line="66" nodetype="ConstID" nodestring="1" />
                                        </child>
                                    </tree>
                                </child>
                            </tree>
                        </child>
                        <child>
                            <tree line="68" nodetype="CatchStm" nodestring="catch">
                                <child>
                                    <tree line="68" nodetype="Para" nodestring="b" vartype="Ball" isArray="0" />
                                </child>
                                <child>
                                    <tree line="70" nodetype="AssignStm" nodestring="=">
                                        <child>
                                            <tree line="70" nodetype="VarID" nodestring="i" isArray="0" />
                                        </child>
                                        <child>
                                            <tree line="70" nodetype="ConstID" nodestring="0" />
                                        </child>
                                    </tree>
                                </child>
                            </tree>
                        </child>
                    </tree>
                </child>
            </tree>
        </child>
    </tree>
</root>