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authorBaitinq <[email protected]>2025-01-21 00:18:29 +0100
committerBaitinq <[email protected]>2025-01-21 00:18:29 +0100
commit82099a43fef6ddf7cd0deee646ddee7fb7fc3556 (patch)
tree50f0813d95bcce41636130ab82cf3b6a501a48c7 /src
parentParser: Make additive expression left associative (diff)
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Parser: Add support for parenthesis grouping
Diffstat (limited to 'src')
-rw-r--r--src/parser.zig18
1 files changed, 9 insertions, 9 deletions
diff --git a/src/parser.zig b/src/parser.zig
index eead436..ce5522d 100644
--- a/src/parser.zig
+++ b/src/parser.zig
@@ -217,17 +217,10 @@ pub const Parser = struct {
         } });
     }
 
-    // Expression   ::= EqualityExpression | AdditiveExpression | FunctionDefinition | LPAREN Expression RPAREN
+    // Expression   ::= EqualityExpression | AdditiveExpression | FunctionDefinition
     fn parse_expression(self: *Parser) ParserError!*Node {
         errdefer if (!self.try_context) std.debug.print("Error parsing expression\n", .{});
 
-        if (self.accept_token(tokenizer.TokenType.LPAREN)) |_| {
-            const expr = try self.parse_expression();
-            _ = try self.parse_token(tokenizer.TokenType.RPAREN);
-            std.debug.print("HERE!\n", .{});
-            return expr;
-        }
-
         return self.accept_parse(parse_equality_expression) orelse
             self.accept_parse(parse_additive_expression) orelse
             self.accept_parse(parse_function_definition) orelse
@@ -275,10 +268,17 @@ pub const Parser = struct {
         return lhs;
     }
 
-    // PrimaryExpression ::= NUMBER | BOOLEAN | IDENTIFIER | FunctionCallStatement
+    // PrimaryExpression ::= NUMBER | BOOLEAN | IDENTIFIER | FunctionCallStatement | LPAREN Expression RPAREN
     fn parse_primary_expression(self: *Parser) ParserError!*Node {
         errdefer if (!self.try_context) std.debug.print("Error parsing primary expression\n", .{});
 
+        if (self.accept_token(tokenizer.TokenType.LPAREN)) |_| {
+            const expr = try self.parse_expression();
+            _ = try self.parse_token(tokenizer.TokenType.RPAREN);
+            std.debug.print("HERE!\n", .{});
+            return expr;
+        }
+
         if (self.accept_parse(parse_function_call_statement)) |stmt| return stmt;
 
         const token = self.consume_token() orelse return ParserError.ParsingError;