soustraction

ArbreAbstrait/Soustraction.java

+/*
+ * Represent an addition expression node inside the AST.
+ */
+
+public class Soustraction extends Arithmetique {
+    /**
+     * Constructor
+     */
+    public Soustraction(Expression operandeGauche, Expression operandeDroite, String fl, int line, int col) {
+        super(operandeGauche, operandeDroite, fl, line, col);
+    }
+
+    /**
+     * Get the binary operator
+     */
+    public String operateur() {
+        return "-";
+    }
+
+    /**
+     * Accepts a AST visitor
+     */
+    Object accept(ASTVisitor visitor){
+        return visitor.visit(this);
+    }
+}

Tests/test_base_with_sementic_issue.input

@@ -2,5 +2,5 @@ programme Program
 
 debutprg
     b = 3;
-    c = c + 2;
+    c = c - 2;
 finprg

Visitors/ASTVisitor.java

@@ -35,7 +35,7 @@ public interface ASTVisitor {
 //    Object visit(Parentheses node);
 //    Object visit(Pour node);
 //    Object visit(Produit node);
-//    Object visit(Soustraction node);
+   Object visit(Soustraction node);
 //    Object visit(SupEgal node);
 //    Object visit(Superieur node);
 //    Object visit(Tantque node);

Visitors/ByteCodeGenerator.java

@@ -60,7 +60,7 @@ public class ByteCodeGenerator implements ASTVisitor{
 
 //    public Object visit(Relation node) { return null; }
 
-//    public Object visit(Soustraction node) { return null; }
+   public Object visit(Soustraction node) { return null; }
 
 //    public Object visit(SupEgal node) { return null; }
 

Visitors/SemanticAnalyzer.java

@@ -62,7 +62,7 @@ public class SemanticAnalyzer implements ASTVisitor {
 
 //    public Object visit(Relation node) { return null; }
 
-//    public Object visit(Soustraction node) { return null; }
+   public Object visit(Soustraction node) { return null; }
 
 //    public Object visit(SupEgal node) { return null; }
 

Visitors/SourceCodeGenerator.java

@@ -237,12 +237,12 @@ public class SourceCodeGenerator implements ASTVisitor{
 //        return null;
 //    }
 //
-//    public Object visit(Soustraction node){
-//        node.getGauche().accept(this);
-//        code += " - ";
-//        node.getDroite().accept(this);
-//        return null;
-//    }
+   public Object visit(Soustraction node){
+       node.getGauche().accept(this);
+       code += " - ";
+       node.getDroite().accept(this);
+       return null;
+   }
 //
 //    public Object visit(SupEgal node){
 //        node.getGauche().accept(this);

hepial.cup

@@ -11,7 +11,6 @@ terminal CLOSEPARENT, COMMA, EQUAL, DOUBLEPOINTS, OPENBRACK, CLOSEBRACK;
 terminal READ, WRITE, IF, THEN, ELSE, ENDIF, WHILE, DO, ENDWHILE;
 terminal FOR, FROM, TO, ENDFOR, TRUE, FALSE,  PLUS, MINUS, TIMES, DIVIDE;
 terminal EQUALS, DIFF, INF, INFEQUAL, SUP, SUPEQUAL, AND, OR, NOT, UMINUS;
-
 terminal String IDENT, STRINGCONST, TINTEGER, TBOOLEAN;
 terminal int INTEGERCONST;
 
@@ -77,7 +76,7 @@ type              ::= TINTEGER {: :}
 declar_const      ::= CONSTANT type IDENT EQUAL expr SEMICOLON {: :};
 
 op_bin            ::= expr:a PLUS expr:b    {: RESULT = new Addition(a, b, "", aleft, aright); :}
-                      | expr MINUS expr     {: :}
+                      | expr:a MINUS expr:b     {: RESULT = new Soustraction(a, b, "", aleft, aright); :}
                       | expr TIMES expr     {: :}
                       | expr DIVIDE expr    {: :}
                       | expr AND expr       {: :}

sym.java

+
+//----------------------------------------------------
+// The following code was generated by CUP v0.11a beta 20060608
+// Wed Nov 23 18:32:15 CET 2022
+//----------------------------------------------------
+
+/** CUP generated class containing symbol constants. */
+public class sym {
+  /* terminals */
+  public static final int DIVIDE = 32;
+  public static final int TBOOLEAN = 46;
+  public static final int EQUALS = 33;
+  public static final int UMINUS = 42;
+  public static final int CLOSEPARENT = 8;
+  public static final int PRG = 2;
+  public static final int FOR = 23;
+  public static final int MINUS = 30;
+  public static final int WRITE = 15;
+  public static final int STRINGCONST = 44;
+  public static final int NOT = 41;
+  public static final int AND = 39;
+  public static final int SEMICOLON = 6;
+  public static final int DOUBLEPOINTS = 11;
+  public static final int OR = 40;
+  public static final int INF = 35;
+  public static final int INTEGERCONST = 47;
+  public static final int COMMA = 9;
+  public static final int ENDPRG = 4;
+  public static final int ENDFOR = 26;
+  public static final int PLUS = 29;
+  public static final int IF = 16;
+  public static final int ENDWHILE = 22;
+  public static final int EOF = 0;
+  public static final int SUPEQUAL = 38;
+  public static final int STARTPRG = 3;
+  public static final int EQUAL = 10;
+  public static final int TRUE = 27;
+  public static final int error = 1;
+  public static final int INFEQUAL = 36;
+  public static final int IDENT = 43;
+  public static final int CONSTANT = 5;
+  public static final int FROM = 24;
+  public static final int TIMES = 31;
+  public static final int ENDIF = 19;
+  public static final int CLOSEBRACK = 13;
+  public static final int ELSE = 18;
+  public static final int TINTEGER = 45;
+  public static final int READ = 14;
+  public static final int TO = 25;
+  public static final int WHILE = 20;
+  public static final int OPENBRACK = 12;
+  public static final int SUP = 37;
+  public static final int THEN = 17;
+  public static final int DIFF = 34;
+  public static final int OPENPARENT = 7;
+  public static final int FALSE = 28;
+  public static final int DO = 21;
+}
+