diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/parser.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/parser.cpp b/src/parser.cpp index b4a2e060c..6e0885717 100644 --- a/src/parser.cpp +++ b/src/parser.cpp @@ -3666,6 +3666,7 @@ gb_internal Ast *parse_simple_stmt(AstFile *f, u32 flags) { expect_token_after(f, Token_Colon, "identifier list"); if ((flags&StmtAllowFlag_Label) && lhs.count == 1) { bool is_partial = false; + bool is_reverse = false; Token partial_token = {}; if (f->curr_token.kind == Token_Hash) { // NOTE(bill): This is purely for error messages @@ -3675,6 +3676,11 @@ gb_internal Ast *parse_simple_stmt(AstFile *f, u32 flags) { partial_token = expect_token(f, Token_Hash); expect_token(f, Token_Ident); is_partial = true; + } else if (name.kind == Token_Ident && name.string == "reverse" && + peek_token_n(f, 1).kind == Token_for) { + partial_token = expect_token(f, Token_Hash); + expect_token(f, Token_Ident); + is_reverse = true; } } switch (f->curr_token.kind) { @@ -3709,6 +3715,18 @@ gb_internal Ast *parse_simple_stmt(AstFile *f, u32 flags) { break; } syntax_error(partial_token, "Incorrect use of directive, use '#partial %.*s: switch'", LIT(ast_token(name).string)); + } else if (is_reverse) { + switch (stmt->kind) { + case Ast_RangeStmt: + if (stmt->RangeStmt.reverse) { + syntax_error(token, "#reverse already applied to a 'for in' statement"); + } + stmt->RangeStmt.reverse = true; + break; + default: + syntax_error(token, "#reverse can only be applied to a 'for in' statement"); + break; + } } return stmt; |