🐐 Continue statement

centvrion/ast_nodes.py

@@ -494,6 +494,21 @@ class Erumpe(Node):
     return vtable, ValNul()
 
 
+class Continva(Node):
+  def __eq__(self, other):
+    return type(self) == type(other)
+
+  def __repr__(self) -> str:
+    return "Continva()"
+
+  def print(self):
+    return "CONTINVA"
+
+  def _eval(self, vtable):
+    vtable["#continue"] = True
+    return vtable, ValNul()
+
+
 class Nullus(Node):
   def __eq__(self, other):
     return type(self) == type(other)
@@ -723,12 +738,16 @@ class DumStatement(Node):
     while not cond:
       for statement in self.statements:
         vtable, val = statement.eval(vtable)
-        if vtable["#break"] or vtable["#return"] is not None:
+        if vtable["#break"] or vtable["#continue"] or vtable["#return"] is not None:
           break
         last_val = val
       if vtable["#break"]:
         vtable["#break"] = False
         break
+      if vtable["#continue"]:
+        vtable["#continue"] = False
+        vtable, cond = self.test.eval(vtable)
+        continue
       if vtable["#return"] is not None:
         break
       vtable, cond = self.test.eval(vtable)
@@ -765,12 +784,15 @@ class PerStatement(Node):
       vtable[variable_name] = item
       for statement in self.statements:
         vtable, val = statement.eval(vtable)
-        if vtable["#break"] or vtable["#return"] is not None:
+        if vtable["#break"] or vtable["#continue"] or vtable["#return"] is not None:
           break
         last_val = val
       if vtable["#break"]:
         vtable["#break"] = False
         break
+      if vtable["#continue"]:
+        vtable["#continue"] = False
+        continue
       if vtable["#return"] is not None:
         break
     return vtable, last_val
@@ -904,6 +926,7 @@ class Program(BaseBox):
   def eval(self, *_):
     vtable = {
       "#break": False,
+      "#continue": False,
       "#return": None,
       "#modules": [m.module_name for m in self.modules],
     }

centvrion/compiler/emit_stmt.py

@@ -1,6 +1,6 @@
 from centvrion.ast_nodes import (
   Designa, DesignaIndex, SiStatement, DumStatement, PerStatement,
-  Defini, Redi, Erumpe, ExpressionStatement, ID,
+  Defini, Redi, Erumpe, Continva, ExpressionStatement, ID,
 )
 from centvrion.compiler.emit_expr import emit_expr
 
@@ -92,6 +92,9 @@ def emit_stmt(node, ctx):
   if isinstance(node, Erumpe):
     return ["break;"]
 
+  if isinstance(node, Continva):
+    return ["continue;"]
+
   if isinstance(node, ExpressionStatement):
     lines, _ = emit_expr(node.expression, ctx)
     return lines

centvrion/lexer.py

@@ -9,6 +9,7 @@ keyword_tokens = [("KEYWORD_"+i, i) for i in [
   "DESIGNA",
   "DONICVM",
   "DVM",
+  "CONTINVA",
   "ERVMPE",
   "EST",
   "ET",

centvrion/parser.py

@@ -97,6 +97,10 @@ class Parser():
     def erumpe(_):
       return ast_nodes.Erumpe()
 
+    @self.pg.production('statement : KEYWORD_CONTINVA')
+    def continva(_):
+      return ast_nodes.Continva()
+
     @self.pg.production('si_statement : KEYWORD_SI expression KEYWORD_TVNC SYMBOL_LCURL statements SYMBOL_RCURL')
     @self.pg.production('si_statement : KEYWORD_SI expression KEYWORD_TVNC SYMBOL_LCURL statements SYMBOL_RCURL aluid_statement')
     def si_statement(tokens):