fragment_0 manque code intermédiaire

src/main/antlr/VSLParser.g

@@ -9,7 +9,7 @@ options {
 @header {
   package TP2;
 
-  import TP2.asd.*;
+  import TP2.Program.Program;
 }
 
 // On syntax error, raise exception rather than silently recovery
@@ -20,17 +20,76 @@ options {
     }
 }
 
-
-program returns [Program p] :
+program returns [Program.Program p] :
   func=function
   EOF
-  {$p = new Program($func.p);}
+  {$p = new Program.Program($func.p);}
 ;
 
 
-function returns [List<ASD.Function> out]:
-  {$out = new ArrayList<ASD.Function>();}
+function returns [Program.List<Function> out]
+  @init{
+    SymTable sym_table = new SymTable();
+  }:
+  FUNCTION type ident ParO ParF list_instr[sym_table]
 ;
 
-prototype returns [Program p]:
+prototype returns [Program.Program p]:
+;
+
+list_instr [SymTable table] returns [Program.List<Instruction> out]
+  @init{
+    List<Program.Instruction> instructions = new List<Program.Instruction>();
+  }:
+    instruction [table]{
+      instructions.add($instruction.out);
+      $out=instructions;
+    }
+;
+
+instruction [SymTable table] returns [List<Program.Instruction> out]:
+  RETURN expression[SymTable table]
   ;
+
+expression [SymTable table] returns [Type return_Type, Expression out]:
+  //Binop(op,exp,exp) et this.return_type est meme que left ou right
+  left_exp=expression[table] op=(PLUS| MINUS | DIV | TIMES) right_exp=expression[table]{
+  switch($op.getType()){
+    case PLUS:
+      $out = new Program.BinopExpression("PLUS",$left_exp,$right_exp);
+      break;
+    case MINUS:
+      $out = new Program.BinopExpression("MINUS", $l.out, $r.out);
+      break;
+    case TIMES:
+      $out = new Program.BinopExpression("TIMES", $l.out, $r.out);
+      break;
+    case DIV:
+      $out = new Program.BinopExpression("DIV", $l.out, $r.out);
+      break;  
+    }
+    $return_Type = $right_exp.return_Type
+  }
+  |
+  //Const(lit) et peut-etre var aussi ( dans le futur )?
+  lit{
+    $out=lit.out;
+    $return_Type= $lit.return_Type
+  }
+;
+
+lit returns [Expression out, return_Type retType]:
+    NUMBER {
+      $return_Type = new Program.IntType();
+      $out = new Program.IntergerNum($NUMBER.int);
+    }
+  ;
+
+ident returns [String ident]:
+    TEXT { $ident = $TEXT.getText(); }
+;
+
+type returns [Type return_type]:
+  TYPE_INT { $return_type = new Program.Type.Type_int(); }
+  |TYPE_VOID { $return_type = new Program.Type.Type_void(); }
+;