diff options
| -rw-r--r-- | lib/Parser/ParserExpression.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Parser/ParserExpression.cc b/lib/Parser/ParserExpression.cc index b75f704..f41694f 100644 --- a/lib/Parser/ParserExpression.cc +++ b/lib/Parser/ParserExpression.cc @@ -196,6 +196,21 @@ std::unique_ptr<ExprAST> Parser::ParseParenExpr() { getNextToken(); bool IsType = isBuiltinTypeToken(CurTok) || (CurTok == tok_identifier && TypeNames.count(Lex.IdentifierStr)); + // A type declared in another source file is unknown here, so `( IDENT )` + // directly followed on the same line by the start of a primary is also a + // cast. `+` and `-` stay binary: `(n) - 5` is arithmetic. + if (!IsType && CurTok == tok_identifier && Lex.peekToken(0) == ')' && + Lex.peekLine(1) == Lex.peekLine(0)) { + switch (Lex.peekToken(1)) { + case tok_identifier: case tok_number_int: case tok_number_real: + case tok_string_literal: case tok_c_string_literal: case tok_char_literal: + case tok_true: case tok_false: case '(': case tok_not: + IsType = true; + break; + default: + break; + } + } if (IsType) { std::string TypeName = ParseTypeName(); if (TypeName.empty()) return nullptr; |