110 lines
3.7 KiB
Java
110 lines
3.7 KiB
Java
package TP2.asd;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import TP2.asd.Interface.*;
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import TP2.asd.Eval.*;
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public class Program{
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public static record ProgramImp(ArrayList<Function> instructions) implements ProgramI{
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public <H, S> S accept(ProgramVisitor<H, S> v, H h) {
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return v.visitProgram(this, h);
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}
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}
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public static record FunctionImp(Type type, String nom, ArrayList<Instruction> instructions)implements Function {
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public FunctionImp(Type type, String name, Instruction instruction) {
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this(type, name, new ArrayList<>() {{ add(instruction); }});
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}
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public <H, S> S accept(FunctionVisitor<H, S> v, H h) {
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return v.visitFunction(this, h);
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}
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}
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public static record ConstImp(int c) implements Expression{
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public <H, S> S accept(ExprVisitor<H, S> v, H h) {
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return v.visitConst(this, h);
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}
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}
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public static record BinopExpressionImp(Op op,Expression e1, Expression e2) implements Expression{
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public <H, S> S accept(ExprVisitor<H, S> v, H h) {
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return v.visitBinOp(this, h);
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}
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}
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public static record Return_instrImp(Expression e) implements Instruction{
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public <H, S> S accept(InstrVisitor<H, S> v, H h) {
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return v.visitReturn(this,h);
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}
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}
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public static record Type_voidImp() implements Type{
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public String prettyprinter() {
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return "VOID";
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}
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}
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public static record Type_intImp() implements Type{
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public String prettyprinter() {
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return "INT";
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}
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}
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//Eval
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public static class ProgramEval implements ProgramVisitor<Map<String, Integer>, Integer> {
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@Override
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public Integer visitProgram(ProgramImp e, Map<String, Integer> h) {
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Integer result = null;
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FunctionEval functionEval = new FunctionEval();
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for (Function function : e.instructions()) {
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result = function.accept(functionEval, h);
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}
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return result;
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}
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}
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public static class FunctionEval implements FunctionVisitor<Map<String, Integer>, Integer> {
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@Override
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public Integer visitFunction(FunctionImp e, Map<String, Integer> h) {
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InstructionEval instructionEval = new InstructionEval();
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Integer result = null;
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for (Instruction instr : e.instructions()) {
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result = instr.accept(instructionEval, h);
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}
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return result;
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}
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}
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public static class InstructionEval implements InstrVisitor<Map<String,Integer>,Integer>{
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@Override
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public Integer visitReturn(Return_instrImp e, Map<String, Integer> h) {
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ExprEval exprEval = new ExprEval();
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return e.e().accept(exprEval, h);
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}
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}
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public static class ExprEval implements ExprVisitor<Map<String,Integer>,Integer>{
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public Integer visitConst(ConstImp c, Map<String,Integer> h){
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return c.c();
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}
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public Integer visitBinOp(BinopExpressionImp e, Map<String, Integer> h) {
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switch(e.op()) {
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case Op.PLUS: return e.e1().accept(this, h)+e.e2().accept(this, h);
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case Op.MINUS: return e.e1().accept(this, h)-e.e2().accept(this, h);
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case Op.TIMES: return e.e1().accept(this, h)*e.e2().accept(this, h);
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case Op.DIV: return e.e1().accept(this, h)/e.e2().accept(this, h);
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case Op.MOD: return e.e1().accept(this, h)%e.e2().accept(this, h);
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default: throw new IllegalArgumentException();
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}
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}
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}
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}
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