examples/test.spf

@@ -1,6 +0,0 @@
-texte name = "Anthony";
-si name ne vaut pas "Anthony" alors {
-	afficher "C'est pas moi";
-} sinon {
-	afficher "C'est moi";
-}

spf.lark

@@ -35,7 +35,6 @@ operator: expressionleft SAME_OP expression -> equal
   | NEG_OP expression -> neg
 // string/list -> string/list
   | SIZE_OP expression -> sizeof
-  | expressionleft "[" expression "]" -> list_get
 
 ?type: BOOL_TYPE
      | INT_TYPE 
@@ -46,8 +45,8 @@ declaration: type VARIABLE (EQUAL_SIGN expression)?
 
 assignation: VARIABLE EQUAL_SIGN expression
 
-loop: "tant" "que" expression "faire" "{" instruction_seq "}" -> while_loop
-    | "pour" "chaque" type VARIABLE "dans" expression "faire" "{" instruction_seq "}" -> for_loop
+loop: "tant" "que" expression "faire" "{" (instruction)* "}" -> while_loop
+    | "pour" "chaque" type VARIABLE "dans" expression "faire" "{" (instruction)* "}" -> for_loop
 
 ?literal: ENTIER -> entier
 	   | booleen 
@@ -60,8 +59,7 @@ range: "[" expression? ":" expression? "]"
 controls: test
 		| loop
 
-test: "si" expression "alors" "{" instruction_seq "}" ("sinon" "{" instruction_seq "}")?
-instruction_seq: (instruction*)
+test: "si" expression "alors" "{" instruction* "}" ("sinon" "{" instruction* "}")?
 
 ?booleen: TRUE_KW  -> true
 	   | FALSE_KW -> false

spf.py

@@ -15,19 +15,13 @@ class SPFInterpreter(lark.visitors.Interpreter):
         self.variables = Variables(trace)
 
     def while_loop(self, el):
-        while self.visit_children(el.children[0])[0]:
-            self.visit_children(el.children[1])
+        print("TODO: while")
+        cond = el.children[0]
+        instr = el.children[1:]
+        print(cond.pretty())
 
     def for_loop(self, el):
-        type = el.children[0].value
-        name = el.children[1].value
-        self.variables.declare(type, name)
-
-        target = self.visit_children(el.children[2])[0]
-        for i in target:
-            self.variables.assign(name, i)
-            self.visit_children(el.children[3])
-        # TODO: delete the variable out of scope
+        print("TODO: for")
 
     def afficher(self, el):
         ligne = ""
@@ -109,10 +103,6 @@ class SPFInterpreter(lark.visitors.Interpreter):
 
     sizeof = lambda self, el:len(self.visit_children(el)[1])
 
-    def list_get(self, el):
-        (left, right) = self.visit_children(el)
-        return left[right]
-
 
     def expression(self, el):
         return self.visit_children(el)[0]
@@ -123,13 +113,6 @@ class SPFInterpreter(lark.visitors.Interpreter):
     def variable(self, el):
         return self.variables.get(el.children[0].value)
 
-    def test(self,el):
-        if self.visit_children(el.children[0])[0]:
-            self.visit_children(el.children[1])
-        elif len(el.children) >= 3:
-            self.visit_children(el.children[2])
-
-
     # Literals
     string = lambda self, el: el.children[0][1:-1]
     entier = lambda self, el: int(el.children[0])