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package Compiler;
import java.util.List;
abstract class Statement {
static class ExpressionStatement extends Statement{
ExpressionStatement(Expression expr){
this.expr = expr;
}
final Expression expr;
@Override
public String getStatmentType() {
return "exprStmt";
}
}
static class BlockStatement extends Statement{
BlockStatement(List<Statement> statements){
this.statements=statements;
}
final List<Statement> statements;
@Override
public String getStatmentType() {
return "block";
}
}
static class IfStatement extends Statement{
IfStatement(Expression condition, Statement ifBlock,Statement elseBlock){
this.condition=condition;
this.ifBlock=ifBlock;
this.elseBlock=elseBlock;
}
final Expression condition;
final Statement ifBlock;
final Statement elseBlock;
@Override
public String getStatmentType() {
return "ifStmt";
}
}
static class DoStatement extends Statement{
DoStatement(Expression variable, Expression start,Expression stop,Expression step,Statement codeBlock){
this.variable=variable;
this.start=start;
this.stop=stop;
this.step=step;
this.codeBlock=codeBlock;
}
final Expression variable;
final Expression start;
final Expression stop;
final Expression step;
final Statement codeBlock;
@Override
public String getStatmentType() {
return "doStmt";
}
}
static class DoWhileStatement extends Statement{
DoWhileStatement(Expression condition,Statement codeBlock){
this.condition=condition;
this.codeBlock=codeBlock;
}
final Expression condition;
final Statement codeBlock;
@Override
public String getStatmentType() {
return "dowhileStmt";
}
}
static class VariableDeclaration extends Statement{
VariableDeclaration(Token name,String type){
this.name=name;
this.type=type;
}
final Token name;
final String type;
@Override
public String getStatmentType() {
return "varDec";
}
}
static class StringDeclaration extends Statement{
StringDeclaration(Token name,Expression length){
this.name=name;
this.length=length;
}
final Token name;
final Expression length;
@Override
public String getStatmentType() {
return "stringDec";
}
}
static class ArrayDeclaration extends Statement{
ArrayDeclaration(Token name,String type,List<Expression> dimensions){
this.name=name;
this.dimensions=dimensions;
this.type=type;
}
final String type;
final Token name;
final List<Expression> dimensions;
@Override
public String getStatmentType() {
return "arrayDec";
}
}
static class PrintStatement extends Statement{
PrintStatement(List<Expression> exprList){
this.exprList=exprList;
}
final List<Expression> exprList;
@Override
public String getStatmentType() {
return "print";
}
}
public abstract String getStatmentType();
}
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