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author | John Hodge <tpg@mutabah.net> | 2016-10-18 18:34:44 +0800 |
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committer | John Hodge <tpg@mutabah.net> | 2016-10-18 18:37:08 +0800 |
commit | 1f37dcc2455aacd0fe797613efea712c57948835 (patch) | |
tree | 81715347fdaaa4f527e80945577e2e3d74a6fff6 /src/expand/cfg.cpp | |
parent | 633183d0e322efc0d2e3f924420acc851539c868 (diff) | |
download | mrust-1f37dcc2455aacd0fe797613efea712c57948835.tar.gz |
Expand/cfg - Support #[cfg] on crates by nuking all items
Diffstat (limited to 'src/expand/cfg.cpp')
-rw-r--r-- | src/expand/cfg.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/expand/cfg.cpp b/src/expand/cfg.cpp index e4b5c49c..897c952a 100644 --- a/src/expand/cfg.cpp +++ b/src/expand/cfg.cpp @@ -6,6 +6,7 @@ #include <parse/common.hpp> #include "cfg.hpp" #include <ast/expr.hpp> // Needed to clear a ExprNodeP +#include <ast/crate.hpp> #include <map> #include <set> @@ -108,6 +109,15 @@ class CCfgHandler: AttrStage stage() const override { return AttrStage::Pre; } + void handle(const Span& sp, const AST::MetaItem& mi, AST::Crate& crate) const override { + DEBUG("#[cfg] crate - " << mi); + // Ignore, as #[cfg] on a crate is handled in expand/mod.cpp + if( check_cfg(sp, mi) ) { + } + else { + crate.m_root_module.items().clear(); + } + } void handle(const Span& sp, const AST::MetaItem& mi, ::AST::Crate& crate, const AST::Path& path, AST::Module& mod, AST::Item&i) const override { TRACE_FUNCTION_FR("#[cfg] item - " << mi, (i.is_None() ? "Deleted" : "")); if( check_cfg(sp, mi) ) { |