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| author | Baitinq <[email protected]> | 2025-01-21 00:18:29 +0100 |
|---|---|---|
| committer | Baitinq <[email protected]> | 2025-01-21 00:18:29 +0100 |
| commit | 82099a43fef6ddf7cd0deee646ddee7fb7fc3556 (patch) | |
| tree | 50f0813d95bcce41636130ab82cf3b6a501a48c7 /src | |
| parent | Parser: Make additive expression left associative (diff) | |
| download | pry-lang-82099a43fef6ddf7cd0deee646ddee7fb7fc3556.tar.gz pry-lang-82099a43fef6ddf7cd0deee646ddee7fb7fc3556.tar.bz2 pry-lang-82099a43fef6ddf7cd0deee646ddee7fb7fc3556.zip | |
Parser: Add support for parenthesis grouping
Diffstat (limited to 'src')
| -rw-r--r-- | src/parser.zig | 18 |
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; |