parser: Add continue & break

src/analysis.cpp

@@ -67,9 +67,9 @@ AnalysisResult analyze(Node &ast, Memory &memory) {
                 } else if (holds_alternative<double>(token.data)) {
                     return Type::Double;
                 }
+                throw exception();
+                break;
             }
-            throw exception();
-            break;
             case TokenType::Identifier: {
                 string identifier = get<string>(token.data);
                 
@@ -77,9 +77,12 @@ AnalysisResult analyze(Node &ast, Memory &memory) {
                     throw RuntimeError("Unknown identifier \""+identifier+"\"", token.pos);
 
                 return memory.get(identifier).type;
+                throw exception();
+                break;
             }
-            throw exception();
-            break;
+            case TokenType::Break:
+            case TokenType::Continue:
+                return {};
             default:
                 throw exception();
         }

src/include/types.h

@@ -39,6 +39,8 @@ Statement ->
     | If (Expr) Instruction Else Instruction
     | While (Expr) Instruction
     | For (Expr | ExprStatement; Expr; Expr) Instruction
+    | Continue ;
+    | Break ;
 
 ExprStatement -> 
     | Type ParIdentifier = Expr // AssignedDeclaration

src/parser.cpp

@@ -163,6 +163,20 @@ ParseReturn parse_statement(vector<Token> tokens) {
         throw ParseException();
 
     switch (tokens.back().type) {
+        case TokenType::Break:
+        case TokenType::Continue: {
+            Token token = tokens.back();
+            tokens.pop_back();
+
+            if (tokens.back().type != TokenType::Semicolon)
+                throw SyntaxError("Expected ';'", tokens.back().pos);
+            
+            tokens.pop_back();
+            return {
+                .node=token,
+                .tokens=tokens
+            };
+        }
         case TokenType::While:
         case TokenType::If: {
             CodePosition pos = tokens.back().pos;