BIT-MiniCC——parser(lab5语法分析器)
2024-05-10 21:00:39
本次实验要求生成代码的抽象语法树(AST)，具体的算法原理在BITMINICC——利用Antlr的Listener生成AST_寒士°、的博客-CSDN博客中有详细的介绍，此处就不再过多介绍了，这篇博客将给出详细代码，参考着看相信能够更加理解。
而其中提到的文法再编译原理Antlr教程_寒士°、的博客-CSDN博客中也提到了。
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那么现在就开始语法分析器的编写
一、
1.在BIT-MiniCC-master\src\bit\minisys\minicc\parser目录下新建文件MyListener.java
package bit.minisys.minicc.parser;
import MyCGrammer.MyCGrammerBaseListener;
import java.io.*;
import java.util.*;import MyCGrammer.MyCGrammerParser;
import bit.minisys.minicc.internal.util.MiniCCUtil;
import bit.minisys.minicc.parser.ast.*;
import MyCGrammer.MyCGrammerBaseListener;
import MyCGrammer.MyCGrammerLexer;
import MyCGrammer.MyCGrammerParser;
import bit.minisys.minicc.pp.internal.A;
import bit.minisys.minicc.pp.internal.P;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.antlr.v4.gui.TreeViewer;
import org.antlr.v4.runtime.ANTLRInputStream;
import org.antlr.v4.runtime.CommonTokenStream;
import org.antlr.v4.runtime.ParserRuleContext;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.tree.*;
import javax.xml.soap.Node;public class MyListener extends MyCGrammerBaseListener{public String oFile=new String();public Stack<ASTNode> NodeStack=new Stack<>();@Override public void enterCompilationUnit(MyCGrammerParser.CompilationUnitContext ctx) {ASTCompilationUnit node = new ASTCompilationUnit();NodeStack.push(node);}@Override public void exitCompilationUnit(MyCGrammerParser.CompilationUnitContext ctx) {ASTNode node=NodeStack.pop();node.children.addAll(((ASTCompilationUnit)node).items);String[] dummyStrs = new String[16];TreeViewer viewr = new TreeViewer(Arrays.asList(dummyStrs), node);//viewr.open();ObjectMapper mapper = new ObjectMapper();try {mapper.writerWithDefaultPrettyPrinter().writeValue(new File(oFile), node);} catch (IOException e) {e.printStackTrace();}NodeStack.push(node);}/*@Override public void enterExternalDeclaration(MyCGrammerParser.ExternalDeclarationContext ctx) {ASTDeclaration node=new ASTDeclaration();NodeStack.push(node);}@Override public void exitExternalDeclaration(MyCGrammerParser.ExternalDeclarationContext ctx) {ASTNode node =NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTCompilationUnit.class){if(((ASTCompilationUnit) ParentNode).items==null){((ASTCompilationUnit) ParentNode).items=new LinkedList<>();}((ASTCompilationUnit)ParentNode).items.add(node);}}*/@Override public void enterInitDeclaratorList(MyCGrammerParser.InitDeclaratorListContext ctx) {ASTNode node = new ASTInitList();NodeStack.push(node);}@Override public void exitInitDeclaratorList(MyCGrammerParser.InitDeclaratorListContext ctx) {ASTNode node =NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(((ASTInitList) node).declarator!=null){node.children.add(((ASTInitList) node).declarator);}if(((ASTInitList) node).exprs!=null){node.children.addAll(((ASTInitList) node).exprs);}if(ParentNode.getClass()==ASTDeclaration.class){if(((ASTDeclaration) ParentNode).initLists==null){((ASTDeclaration) ParentNode).initLists=new LinkedList<>();}((ASTDeclaration) ParentNode).initLists.add((ASTInitList) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){Stack<ASTNode> tmpStack=new Stack<>();while (ParentNode.getClass()!=ASTDeclaration.class){tmpStack.push(NodeStack.pop());ParentNode=NodeStack.peek();}if(((ASTDeclaration) ParentNode).initLists==null){((ASTDeclaration) ParentNode).initLists=new LinkedList<>();}((ASTDeclaration) ParentNode).initLists.add((ASTInitList) node);node.parent=ParentNode;while (tmpStack.size()!=0){NodeStack.push(tmpStack.pop());}}}/*** Declaration* @param ctx*/@Override public void enterDeclaration(MyCGrammerParser.DeclarationContext ctx) {ASTNode ParentNode=NodeStack.peek();if(ParentNode.getClass()==ASTDeclaration.class){return;}else{ASTDeclaration node=new ASTDeclaration();NodeStack.push(node);}}@Override public void exitDeclaration(MyCGrammerParser.DeclarationContext ctx) {ASTNode node =NodeStack.pop();if(((ASTDeclaration) node).specifiers!=null){node.children.addAll(((ASTDeclaration) node).specifiers);}if(((ASTDeclaration) node).initLists!=null){node.children.addAll(((ASTDeclaration) node).initLists);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTCompilationUnit.class){if(((ASTCompilationUnit) ParentNode).items==null){((ASTCompilationUnit) ParentNode).items=new LinkedList<>();}((ASTCompilationUnit)ParentNode).items.add(node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).init==null){((ASTIterationDeclaredStatement) ParentNode).init=(ASTDeclaration) node;}node.parent=ParentNode;}}@Override public void enterFunctionDefinition(MyCGrammerParser.FunctionDefinitionContext ctx) {ASTNode ParentNode=NodeStack.peek();if(ParentNode.getClass()==ASTDeclaration.class){ParentNode=NodeStack.pop();}ASTNode node=new ASTFunctionDefine();NodeStack.push(node);}@Override public void exitFunctionDefinition(MyCGrammerParser.FunctionDefinitionContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTFunctionDefine) node).specifiers!=null){node.children.addAll(((ASTFunctionDefine) node).specifiers);}if(((ASTFunctionDefine) node).declarator!=null){node.children.add(((ASTFunctionDefine) node).declarator);}if(((ASTFunctionDefine) node).body!=null){node.children.add(((ASTFunctionDefine) node).body);}if(ParentNode.getClass()==ASTCompilationUnit.class){if(((ASTCompilationUnit) ParentNode).items==null){((ASTCompilationUnit) ParentNode).items=new LinkedList<>();}((ASTCompilationUnit)ParentNode).items.add(node);node.parent=ParentNode;}}/*** Declarator*ARRAY,FUNC,PARAM,VARIABLE*/@Override public void enterDirectDeclarator_array(MyCGrammerParser.DirectDeclarator_arrayContext ctx) {ASTNode node=new ASTArrayDeclarator();NodeStack.push(node);}@Override public void exitDirectDeclarator_array(MyCGrammerParser.DirectDeclarator_arrayContext ctx) {ASTNode node=NodeStack.pop();if(((ASTArrayDeclarator) node).declarator!=null){node.children.add(((ASTArrayDeclarator) node).declarator);}if(((ASTArrayDeclarator) node).expr!=null){node.children.add(((ASTArrayDeclarator) node).expr);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){((ASTArrayDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){((ASTInitList) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDeclarator.class){((ASTFunctionDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDefine.class){((ASTFunctionDefine) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTParamsDeclarator.class){((ASTParamsDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTTypename.class){((ASTTypename) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}}@Override public void enterDirectDeclarator_func(MyCGrammerParser.DirectDeclarator_funcContext ctx) {ASTNode node = new ASTFunctionDeclarator();NodeStack.push(node);}@Override public void exitDirectDeclarator_func(MyCGrammerParser.DirectDeclarator_funcContext ctx) {ASTNode node=NodeStack.pop();if(((ASTFunctionDeclarator) node).declarator!=null){node.children.add(((ASTFunctionDeclarator) node).declarator);}if(((ASTFunctionDeclarator) node).params!=null){node.children.addAll(((ASTFunctionDeclarator) node).params);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){((ASTArrayDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){((ASTInitList) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDeclarator.class){((ASTFunctionDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDefine.class){((ASTFunctionDefine) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTParamsDeclarator.class){((ASTParamsDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTTypename.class){((ASTTypename) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}}@Override public void enterParameterDeclaration(MyCGrammerParser.ParameterDeclarationContext ctx) {ASTNode node = new ASTParamsDeclarator();NodeStack.push(node);}@Override public void exitParameterDeclaration(MyCGrammerParser.ParameterDeclarationContext ctx) {ASTNode node=NodeStack.pop();if(((ASTParamsDeclarator) node).specfiers!=null){node.children.addAll(((ASTParamsDeclarator) node).specfiers);}if(((ASTParamsDeclarator) node).declarator!=null){node.children.add(((ASTParamsDeclarator) node).declarator);}ASTNode ParentNode =NodeStack.peek();if(ParentNode.getClass()==ASTFunctionDeclarator.class){if(((ASTFunctionDeclarator) ParentNode).params==null){((ASTFunctionDeclarator) ParentNode).params=new LinkedList<>();}((ASTFunctionDeclarator) ParentNode).params.add((ASTParamsDeclarator) node);node.parent=ParentNode;}}@Override public void enterDirectDeclarator_pass(MyCGrammerParser.DirectDeclarator_passContext ctx) {ASTNode node = new ASTVariableDeclarator();NodeStack.push(node);}@Override public void exitDirectDeclarator_pass(MyCGrammerParser.DirectDeclarator_passContext ctx) {ASTNode node=NodeStack.pop();if(((ASTVariableDeclarator) node).identifier!=null){node.children.add(((ASTVariableDeclarator) node).identifier);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){((ASTArrayDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){((ASTInitList) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDeclarator.class){((ASTFunctionDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDefine.class){((ASTFunctionDefine) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTParamsDeclarator.class){((ASTParamsDeclarator) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}else if(ParentNode.getClass()==ASTTypename.class){((ASTTypename) ParentNode).declarator=(ASTDeclarator) node;node.parent=ParentNode;}}/*** Expression* @JsonSubTypes.Type(value = ASTIdentifier.class,name = "Identifier"),* @JsonSubTypes.Type(value = ASTArrayAccess.class,name = "ArrayAccess"),* @JsonSubTypes.Type(value = ASTBinaryExpression.class,name="BinaryExpression"),* @JsonSubTypes.Type(value = ASTCastExpression.class,name = "CastExpression"),* @JsonSubTypes.Type(value = ASTCharConstant.class,name = "CharConstant"), UNDO* @JsonSubTypes.Type(value = ASTConditionExpression.class,name = "ConditionExpression"), UNDO* @JsonSubTypes.Type(value = ASTFloatConstant.class,name = "FloatConstant"), UNDO* @JsonSubTypes.Type(value = ASTFunctionCall.class,name = "FunctionCall"),* @JsonSubTypes.Type(value = ASTIntegerConstant.class,name = "IntegerConstant"),* @JsonSubTypes.Type(value = ASTMemberAccess.class,name = "MemberAccess"), UNDO* @JsonSubTypes.Type(value = ASTPostfixExpression.class,name = "PostfixExpression"),* @JsonSubTypes.Type(value = ASTStringConstant.class,name = "StringConstant"),* @JsonSubTypes.Type(value = ASTUnaryExpression.class,name = "UnaryExpression"),* @JsonSubTypes.Type(value = ASTUnaryTypename.class,name = "UnaryTypename") UNDO*/@Override public void enterTokenId(MyCGrammerParser.TokenIdContext ctx) {ASTNode node =new ASTIdentifier();NodeStack.push(node);}@Override public void exitTokenId(MyCGrammerParser.TokenIdContext ctx) {ASTNode node = NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);node.parent=ParentNode;}}}@Override public void enterPostfixExpression_arrayaccess(MyCGrammerParser.PostfixExpression_arrayaccessContext ctx) {ASTNode node = new ASTArrayAccess();NodeStack.push(node);}@Override public void exitPostfixExpression_arrayaccess(MyCGrammerParser.PostfixExpression_arrayaccessContext ctx) {ASTNode node = NodeStack.pop();if(((ASTArrayAccess) node).arrayName!=null){node.children.add(((ASTArrayAccess) node).arrayName);}if(((ASTArrayAccess) node).elements!=null){node.children.addAll(((ASTArrayAccess) node).elements);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}//BinaryExpressionpublic void enterBinaryExpression(){ASTNode node =new ASTBinaryExpression();NodeStack.push(node);}public void exitBinaryExpression(){ASTNode node = NodeStack.pop();if(((ASTBinaryExpression) node).expr1!=null){node.children.add(((ASTBinaryExpression) node).expr1);}if(((ASTBinaryExpression) node).expr2!=null){node.children.add(((ASTBinaryExpression) node).expr2);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}@Override public void enterMultiplicativeExpression_(MyCGrammerParser.MultiplicativeExpression_Context ctx) {enterBinaryExpression();}@Override public void exitMultiplicativeExpression_(MyCGrammerParser.MultiplicativeExpression_Context ctx) {exitBinaryExpression();}@Override public void enterAdditiveExpression_(MyCGrammerParser.AdditiveExpression_Context ctx) {enterBinaryExpression();}@Override public void exitAdditiveExpression_(MyCGrammerParser.AdditiveExpression_Context ctx) {exitBinaryExpression();}@Override public void enterShiftExpression_(MyCGrammerParser.ShiftExpression_Context ctx) {enterBinaryExpression();}@Override public void exitShiftExpression_(MyCGrammerParser.ShiftExpression_Context ctx) {exitBinaryExpression();}@Override public void enterRelationalExpression_(MyCGrammerParser.RelationalExpression_Context ctx) {enterBinaryExpression();}@Override public void exitRelationalExpression_(MyCGrammerParser.RelationalExpression_Context ctx) {exitBinaryExpression();}@Override public void enterEqualityExpression_(MyCGrammerParser.EqualityExpression_Context ctx) {enterBinaryExpression();}@Override public void exitEqualityExpression_(MyCGrammerParser.EqualityExpression_Context ctx) {exitBinaryExpression();}@Override public void enterAndExpression_(MyCGrammerParser.AndExpression_Context ctx) {enterBinaryExpression();}@Override public void exitAndExpression_(MyCGrammerParser.AndExpression_Context ctx) {exitBinaryExpression();}@Override public void enterInclusiveOrExpression_(MyCGrammerParser.InclusiveOrExpression_Context ctx) {enterBinaryExpression();}@Override public void exitInclusiveOrExpression_(MyCGrammerParser.InclusiveOrExpression_Context ctx) {exitBinaryExpression();}@Override public void enterLogicalAndExpression_(MyCGrammerParser.LogicalAndExpression_Context ctx) {enterBinaryExpression();}@Override public void exitLogicalAndExpression_(MyCGrammerParser.LogicalAndExpression_Context ctx) {exitBinaryExpression();}@Override public void enterLogicalOrExpression_(MyCGrammerParser.LogicalOrExpression_Context ctx) {enterBinaryExpression();}@Override public void exitLogicalOrExpression_(MyCGrammerParser.LogicalOrExpression_Context ctx) {exitBinaryExpression();}@Override public void enterAssignmentExpression_(MyCGrammerParser.AssignmentExpression_Context ctx) {enterBinaryExpression();}@Override public void exitAssignmentExpression_(MyCGrammerParser.AssignmentExpression_Context ctx) {exitBinaryExpression();}@Override public void enterCastExpression_(MyCGrammerParser.CastExpression_Context ctx) {ASTNode node =new ASTCastExpression();NodeStack.push(node);}@Override public void exitCastExpression_(MyCGrammerParser.CastExpression_Context ctx) {ASTNode node = NodeStack.pop();if(((ASTCastExpression) node).typename!=null){node.children.add(((ASTCastExpression) node).typename);}if(((ASTCastExpression) node).expr!=null){node.children.add(((ASTCastExpression) node).expr);}ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}@Override public void enterTokenConstant(MyCGrammerParser.TokenConstantContext ctx) {ASTNode node = new ASTIntegerConstant();NodeStack.push(node);}@Override public void exitTokenConstant(MyCGrammerParser.TokenConstantContext ctx) {ASTNode node = NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}@Override public void enterPostfixExpression_funcall(MyCGrammerParser.PostfixExpression_funcallContext ctx) {ASTNode node = new ASTFunctionCall();NodeStack.push(node);}@Override public void exitPostfixExpression_funcall(MyCGrammerParser.PostfixExpression_funcallContext ctx) {ASTNode node = NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(((ASTFunctionCall) node).funcname!=null){node.children.add(((ASTFunctionCall) node).funcname);}if(((ASTFunctionCall) node).argList!=null){node.children.addAll(((ASTFunctionCall) node).argList);}if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}@Override public void enterPostfixExpression_(MyCGrammerParser.PostfixExpression_Context ctx) {ASTNode node = new ASTPostfixExpression();NodeStack.push(node);}@Override public void exitPostfixExpression_(MyCGrammerParser.PostfixExpression_Context ctx) {ASTNode node = NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(((ASTPostfixExpression) node).expr!=null){node.children.add(((ASTPostfixExpression) node).expr);}if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}@Override public void enterTokenStringLiteral(MyCGrammerParser.TokenStringLiteralContext ctx) {ASTNode node = new ASTStringConstant();NodeStack.push(node);}@Override public void exitTokenStringLiteral(MyCGrammerParser.TokenStringLiteralContext ctx) {ASTNode node = NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}@Override public void enterUnaryExpression_(MyCGrammerParser.UnaryExpression_Context ctx) {ASTNode node = new ASTUnaryExpression();NodeStack.push(node);}@Override public void exitUnaryExpression_(MyCGrammerParser.UnaryExpression_Context ctx) {ASTNode node = NodeStack.pop();ASTNode ParentNode = NodeStack.peek();if(((ASTUnaryExpression) node).expr!=null){node.children.add(((ASTUnaryExpression) node).expr);}if(ParentNode.getClass()==ASTArrayDeclarator.class){if(((ASTArrayDeclarator) ParentNode).expr==null){((ASTArrayDeclarator) ParentNode).expr=(ASTExpression) node;node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTArrayAccess.class){if(((ASTArrayAccess) ParentNode).arrayName==null){((ASTArrayAccess) ParentNode).arrayName=(ASTExpression) node;node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements==null){((ASTArrayAccess) ParentNode).elements=new LinkedList<>();((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}else if(((ASTArrayAccess) ParentNode).elements!=null){((ASTArrayAccess) ParentNode).elements.add((ASTExpression) node);node.parent=ParentNode;}}else if(ParentNode.getClass()==ASTBinaryExpression.class){if(((ASTBinaryExpression) ParentNode).expr1==null){((ASTBinaryExpression) ParentNode).expr1=(ASTExpression) node;}else if(((ASTBinaryExpression) ParentNode).expr2==null){((ASTBinaryExpression) ParentNode).expr2=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCastExpression.class){if(((ASTCastExpression) ParentNode).expr==null){((ASTCastExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionCall.class){if(((ASTFunctionCall) ParentNode).funcname==null){((ASTFunctionCall) ParentNode).funcname=(ASTExpression) node;}else if(((ASTFunctionCall) ParentNode).argList==null){((ASTFunctionCall) ParentNode).argList=new LinkedList<>();((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}else if(((ASTFunctionCall) ParentNode).argList!=null){((ASTFunctionCall) ParentNode).argList.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTPostfixExpression.class){if(((ASTPostfixExpression) ParentNode).expr==null){((ASTPostfixExpression) ParentNode).expr=(ASTExpression) node;}}else if(ParentNode.getClass()==ASTUnaryExpression.class){if(((ASTUnaryExpression) ParentNode).expr==null){((ASTUnaryExpression) ParentNode).expr=(ASTExpression) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTExpressionStatement.class){if(((ASTExpressionStatement) ParentNode).exprs==null){((ASTExpressionStatement) ParentNode).exprs=new LinkedList<>();}((ASTExpressionStatement) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTInitList.class){if(((ASTInitList) ParentNode).exprs==null){((ASTInitList) ParentNode).exprs=new LinkedList<>();}((ASTInitList) ParentNode).exprs.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).cond==null){((ASTIterationDeclaredStatement) ParentNode).cond=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationDeclaredStatement) ParentNode).step==null){((ASTIterationDeclaredStatement) ParentNode).step=new LinkedList<>();((ASTIterationDeclaredStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).init==null){((ASTIterationStatement) ParentNode).init=new LinkedList<>();((ASTIterationStatement) ParentNode).init.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).cond==null){((ASTIterationStatement) ParentNode).cond=new LinkedList<>();((ASTIterationStatement) ParentNode).cond.add((ASTExpression) node);}else if(((ASTIterationStatement) ParentNode).step==null){((ASTIterationStatement) ParentNode).step=new LinkedList<>();((ASTIterationStatement) ParentNode).step.add((ASTExpression) node);}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add((ASTExpression) node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).cond==null){((ASTSelectionStatement) ParentNode).cond=new LinkedList<>();((ASTSelectionStatement) ParentNode).cond.add((ASTExpression) node);}node.parent=ParentNode;}}/*** Statement* @JsonSubTypes.Type(value = ASTBreakStatement.class,name = "BreakStatement"),* @JsonSubTypes.Type(value = ASTCompoundStatement.class,name = "CompoundStatement"),* @JsonSubTypes.Type(value = ASTContinueStatement.class,name="ContinueStatement"),* @JsonSubTypes.Type(value = ASTExpressionStatement.class,name = "ExpressionStatement"),* @JsonSubTypes.Type(value = ASTGotoStatement.class,name = "GotoStatement"),* @JsonSubTypes.Type(value = ASTIterationDeclaredStatement.class,name = "IterationDeclaredStatement"),* @JsonSubTypes.Type(value = ASTIterationStatement.class,name = "IterationStatement"),* @JsonSubTypes.Type(value = ASTLabeledStatement.class,name = "LabeledStatement"),* @JsonSubTypes.Type(value = ASTReturnStatement.class,name = "ReturnStatement"),* @JsonSubTypes.Type(value = ASTSelectionStatement.class,name = "SelectionStatement")*/@Override public void enterJumpStatement_break(MyCGrammerParser.JumpStatement_breakContext ctx) {ASTNode node = new ASTBreakStatement();NodeStack.push(node);}@Override public void exitJumpStatement_break(MyCGrammerParser.JumpStatement_breakContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterCompoundStatement(MyCGrammerParser.CompoundStatementContext ctx) {ASTNode node =new ASTCompoundStatement();NodeStack.push(node);}@Override public void exitCompoundStatement(MyCGrammerParser.CompoundStatementContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTCompoundStatement) node).blockItems!=null){node.children.addAll(((ASTCompoundStatement) node).blockItems);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}else if(ParentNode.getClass()==ASTFunctionDefine.class){if(((ASTFunctionDefine) ParentNode).body==null){((ASTFunctionDefine) ParentNode).body=(ASTCompoundStatement) node;}node.parent=ParentNode;}}@Override public void enterJumpStatement_continue(MyCGrammerParser.JumpStatement_continueContext ctx) {ASTNode node = new ASTContinueStatement();NodeStack.push(node);}@Override public void exitJumpStatement_continue(MyCGrammerParser.JumpStatement_continueContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterExpressionStatement(MyCGrammerParser.ExpressionStatementContext ctx) {ASTNode node = new ASTExpressionStatement();NodeStack.push(node);}@Override public void exitExpressionStatement(MyCGrammerParser.ExpressionStatementContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTExpressionStatement) node).exprs!=null){node.children.addAll(((ASTExpressionStatement) node).exprs);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterJumpStatement_goto(MyCGrammerParser.JumpStatement_gotoContext ctx) {ASTNode node = new ASTGotoStatement();NodeStack.push(node);}@Override public void exitJumpStatement_goto(MyCGrammerParser.JumpStatement_gotoContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTGotoStatement) node).label!=null){node.children.add(((ASTGotoStatement) node).label);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterIterationStatement_forDeclared(MyCGrammerParser.IterationStatement_forDeclaredContext ctx) {ASTNode node = new ASTIterationDeclaredStatement();NodeStack.push(node);}@Override public void exitIterationStatement_forDeclared(MyCGrammerParser.IterationStatement_forDeclaredContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTIterationDeclaredStatement) node).init!=null){node.children.add(((ASTIterationDeclaredStatement) node).init);}if(((ASTIterationDeclaredStatement) node).cond!=null){node.children.addAll(((ASTIterationDeclaredStatement) node).cond);}if(((ASTIterationDeclaredStatement) node).step!=null){node.children.addAll(((ASTIterationDeclaredStatement) node).step);}if(((ASTIterationDeclaredStatement) node).stat!=null){node.children.add(((ASTIterationDeclaredStatement) node).stat);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterIterationStatement_for(MyCGrammerParser.IterationStatement_forContext ctx) {ASTNode node = new ASTIterationStatement();NodeStack.push(node);}@Override public void exitIterationStatement_for(MyCGrammerParser.IterationStatement_forContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTIterationStatement) node).init!=null){node.children.addAll(((ASTIterationStatement) node).init);}if(((ASTIterationStatement) node).cond!=null){node.children.addAll(((ASTIterationStatement) node).cond);}if(((ASTIterationStatement) node).step!=null){node.children.addAll(((ASTIterationStatement) node).step);}if(((ASTIterationStatement) node).stat!=null){node.children.add(((ASTIterationStatement) node).stat);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterLabeledStatement(MyCGrammerParser.LabeledStatementContext ctx) {ASTNode node = new ASTLabeledStatement();NodeStack.push(node);}@Override public void exitLabeledStatement(MyCGrammerParser.LabeledStatementContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTLabeledStatement) node).label!=null){node.children.add(((ASTLabeledStatement) node).label);}if(((ASTLabeledStatement) node).stat!=null){node.children.add(((ASTLabeledStatement) node).stat);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterJumpStatement_return(MyCGrammerParser.JumpStatement_returnContext ctx) {ASTNode node = new ASTReturnStatement();NodeStack.push(node);}@Override public void exitJumpStatement_return(MyCGrammerParser.JumpStatement_returnContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTReturnStatement) node).expr!=null){node.children.addAll(((ASTReturnStatement) node).expr);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}@Override public void enterSelectionStatement_if(MyCGrammerParser.SelectionStatement_ifContext ctx) {ASTNode node = new ASTSelectionStatement();NodeStack.push(node);}@Override public void exitSelectionStatement_if(MyCGrammerParser.SelectionStatement_ifContext ctx) {ASTNode node=NodeStack.pop();ASTNode ParentNode=NodeStack.peek();if(((ASTSelectionStatement) node).cond!=null){node.children.addAll(((ASTSelectionStatement) node).cond);}if(((ASTSelectionStatement) node).then!=null){node.children.add(((ASTSelectionStatement) node).then);}if(((ASTSelectionStatement) node).otherwise!=null){node.children.add(((ASTSelectionStatement) node).otherwise);}if(ParentNode.getClass()==ASTSelectionStatement.class){if(((ASTSelectionStatement) ParentNode).then==null){((ASTSelectionStatement) ParentNode).then=(ASTStatement) node;}else if(((ASTSelectionStatement) ParentNode).otherwise==null){((ASTSelectionStatement) ParentNode).otherwise=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationStatement.class){if(((ASTIterationStatement) ParentNode).stat==null) {((ASTIterationStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).stat==null){((ASTLabeledStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTIterationDeclaredStatement.class){if(((ASTIterationDeclaredStatement) ParentNode).stat==null){((ASTIterationDeclaredStatement) ParentNode).stat=(ASTStatement) node;}node.parent=ParentNode;}else if(ParentNode.getClass()==ASTCompoundStatement.class){if(((ASTCompoundStatement) ParentNode).blockItems==null){((ASTCompoundStatement) ParentNode).blockItems=new LinkedList<>();}((ASTCompoundStatement) ParentNode).blockItems.add(node);node.parent=ParentNode;}}/*** Terminal*/@Override public void visitTerminal(TerminalNode node) {int id=node.getSymbol().getType();if(id==12||id==13||id==16||id==17||id==18||id==20||id==24||id==25||id==26||id==32||id==38||(id>=43&&id<=60)||id==83){return;}ASTNode ParentNode=NodeStack.peek();if(ParentNode.getClass()==ASTFunctionDefine.class){if(((ASTFunctionDefine) ParentNode).specifiers==null){((ASTFunctionDefine) ParentNode).specifiers=new LinkedList<>();}((ASTFunctionDefine)ParentNode).specifiers.add(new ASTToken(node.getSymbol().getText(),node.getSymbol().getTokenIndex()));}else if(ParentNode.getClass()==ASTParamsDeclarator.class){if(((ASTParamsDeclarator) ParentNode).specfiers==null){((ASTParamsDeclarator) ParentNode).specfiers=new LinkedList<>();}((ASTParamsDeclarator) ParentNode).specfiers.add(new ASTToken(node.getSymbol().getText(),node.getSymbol().getTokenIndex()));}else if(ParentNode.getClass()==ASTDeclaration.class){if(((ASTDeclaration) ParentNode).specifiers==null){((ASTDeclaration) ParentNode).specifiers=new LinkedList<>();}((ASTDeclaration) ParentNode).specifiers.add(new ASTToken(node.getSymbol().getText(),node.getSymbol().getTokenIndex()));}else if(ParentNode.getClass()==ASTIdentifier.class){((ASTIdentifier) ParentNode).value=node.getSymbol().getText();((ASTIdentifier) ParentNode).tokenId=node.getSymbol().getTokenIndex();}else if(ParentNode.getClass()==ASTIntegerConstant.class){((ASTIntegerConstant) ParentNode).value=Integer.parseInt(node.getSymbol().getText());((ASTIntegerConstant) ParentNode).tokenId=node.getSymbol().getTokenIndex();}else if(ParentNode.getClass()==ASTStringConstant.class){((ASTStringConstant) ParentNode).value=(node.getSymbol().getText());((ASTStringConstant) ParentNode).tokenId=node.getSymbol().getTokenIndex();}else if(ParentNode.getClass()==ASTBinaryExpression.class){((ASTBinaryExpression) ParentNode).op=new ASTToken(node.getSymbol().getText(),node.getSymbol().getTokenIndex());}else if(ParentNode.getClass()==ASTPostfixExpression.class){((ASTPostfixExpression) ParentNode).op=new ASTToken(node.getSymbol().getText(),node.getSymbol().getTokenIndex());}else if(ParentNode.getClass()==ASTUnaryExpression.class){((ASTUnaryExpression) ParentNode).op=new ASTToken(node.getSymbol().getText(),node.getSymbol().getTokenIndex());}else if(ParentNode.getClass()==ASTVariableDeclarator.class){((ASTVariableDeclarator) ParentNode).identifier = new ASTIdentifier(node.getSymbol().getText(),node.getSymbol().getTokenIndex());}else if(ParentNode.getClass()==ASTLabeledStatement.class){if(((ASTLabeledStatement) ParentNode).label==null){((ASTLabeledStatement) ParentNode).label=new ASTIdentifier(node.getSymbol().getText(),node.getSymbol().getTokenIndex());}}else if(ParentNode.getClass()==ASTGotoStatement.class){if(((ASTGotoStatement) ParentNode).label==null){((ASTGotoStatement) ParentNode).label=new ASTIdentifier(node.getSymbol().getText(),node.getSymbol().getTokenIndex());}}else if(ParentNode.getClass()==ASTReturnStatement.class){if(((ASTReturnStatement) ParentNode).expr==null){((ASTReturnStatement) ParentNode).expr=new LinkedList<>();}((ASTReturnStatement) ParentNode).expr.add(new ASTIdentifier(node.getSymbol().getText(),node.getSymbol().getTokenIndex()));}}
}2.修改BIT-MiniCC-master\src\bit\minisys\minicc\MyMiniCompiler.java
//MyMiniCompiler.javapackage bit.minisys.minicc;import MyCGrammer.MyCGrammerLexer;
import MyCGrammer.MyCGrammerParser;
import bit.minisys.minicc.parser.MyParser;
import bit.minisys.minicc.scanner.MyScanner;
import org.antlr.v4.runtime.ANTLRInputStream;
import org.antlr.v4.runtime.CommonTokenStream;
import org.antlr.v4.runtime.tree.ParseTree;import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
public class MyMiniCompiler {public static void main(String[] args)throws IOException {String inputFile = "输入文件路径";InputStream is = System.in;is = new FileInputStream(inputFile);ANTLRInputStream input = new ANTLRInputStream(is);MyCGrammerLexer lexer = new MyCGrammerLexer(input);CommonTokenStream tokens = new CommonTokenStream(lexer);MyCGrammerParser parser = new MyCGrammerParser(tokens);ParseTree tree = parser.compilationUnit();String fName = inputFile.trim();String temp[] = fName.split("\\\\");String tokenFileName =temp[temp.length - 1] + ".tokens";MyScanner myScanner = new MyScanner(tokenFileName,tokens);String jsonFileName = temp[temp.length - 1] + ".json";ParseTreeWalker walker = new ParseTreeWalker();MyListener listener = new MyListener();listener.oFile=jsonFileName;walker.walk(listener, tree);}
}
3.结果展示
{"type" : "Program","items" : [ {"type" : "FunctionDefine","specifiers" : [ {"type" : "Token","value" : "int","tokenId" : 0} ],"declarator" : {"type" : "FunctionDeclarator","declarator" : {"type" : "VariableDeclarator","identifier" : {"type" : "Identifier","value" : "fibonacci","tokenId" : 1}},"params" : [ {"type" : "ParamsDeclarator","specfiers" : [ {"type" : "Token","value" : "int","tokenId" : 3} ],"declarator" : {"type" : "VariableDeclarator","identifier" : {"type" : "Identifier","value" : "num","tokenId" : 4}}} ]},"body" : {"type" : "CompoundStatement","blockItems" : [ {"type" : "Declaration","specifiers" : [ {"type" : "Token","value" : "int","tokenId" : 7} ],"initLists" : [ {"type" : "InitList","declarator" : null,"exprs" : null} ]}, {"type" : "SelectionStatement","cond" : [ {"type" : "BinaryExpression","op" : {"type" : "Token","value" : "<","tokenId" : 13},"expr1" : {"type" : "Identifier","value" : "num","tokenId" : 12},"expr2" : {"type" : "IntegerConstant","value" : 1,"tokenId" : 14}} ],"then" : {"type" : "CompoundStatement","blockItems" : [ {"type" : "ExpressionStatement","exprs" : [ {"type" : "Identifier","value" : "res","tokenId" : 17} ]} ]},"otherwise" : {"type" : "SelectionStatement","cond" : [ {"type" : "Identifier","value" : "num","tokenId" : 25}, {"type" : "IntegerConstant","value" : 2,"tokenId" : 27} ],"then" : {"type" : "CompoundStatement","blockItems" : [ {"type" : "ExpressionStatement","exprs" : [ {"type" : "Identifier","value" : "res","tokenId" : 30} ]} ]},"otherwise" : {"type" : "CompoundStatement","blockItems" : [ {"type" : "ExpressionStatement","exprs" : [ {"type" : "Identifier","value" : "res","tokenId" : 37}, {"type" : "BinaryExpression","op" : {"type" : "Token","value" : "+","tokenId" : 45},"expr1" : null,"expr2" : null} ]} ]}}}, {"type" : "ReturnStatement","expr" : [ {"type" : "Identifier","value" : "res","tokenId" : 55} ]} ]}}, {"type" : "FunctionDefine","specifiers" : [ {"type" : "Token","value" : "int","tokenId" : 58} ],"declarator" : {"type" : "FunctionDeclarator","declarator" : {"type" : "VariableDeclarator","identifier" : {"type" : "Identifier","value" : "main","tokenId" : 59}},"params" : [ ]},"body" : {"type" : "CompoundStatement","blockItems" : [ {"type" : "ExpressionStatement","exprs" : [ {"type" : "FunctionCall","funcname" : {"type" : "Identifier","value" : "\"Please input a number:\\n\"","tokenId" : 65},"argList" : null} ]}, {"type" : "Declaration","specifiers" : [ {"type" : "Token","value" : "int","tokenId" : 68} ],"initLists" : [ {"type" : "InitList","declarator" : {"type" : "VariableDeclarator","identifier" : {"type" : "Identifier","value" : "n","tokenId" : 69}},"exprs" : [ {"type" : "FunctionCall","funcname" : {"type" : "Identifier","value" : "Mars_GetInt","tokenId" : 71},"argList" : null} ]} ]}, {"type" : "Declaration","specifiers" : [ {"type" : "Token","value" : "int","tokenId" : 75} ],"initLists" : [ {"type" : "InitList","declarator" : {"type" : "VariableDeclarator","identifier" : {"type" : "Identifier","value" : "res","tokenId" : 76}},"exprs" : [ {"type" : "FunctionCall","funcname" : {"type" : "Identifier","value" : "fibonacci","tokenId" : 78},"argList" : [ {"type" : "Identifier","value" : "n","tokenId" : 80} ]} ]} ]}, {"type" : "ExpressionStatement","exprs" : [ {"type" : "FunctionCall","funcname" : {"type" : "Identifier","value" : "\"This number's fibonacci value is :\\n\"","tokenId" : 85},"argList" : null} ]}, {"type" : "ExpressionStatement","exprs" : [ {"type" : "FunctionCall","funcname" : {"type" : "Identifier","value" : "Mars_PrintInt","tokenId" : 88},"argList" : [ {"type" : "Identifier","value" : "res","tokenId" : 90} ]} ]}, {"type" : "ReturnStatement","expr" : [ {"type" : "IntegerConstant","value" : 0,"tokenId" : 94} ]} ]}} ]
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