From 2055d540c5dd420448a6924d784d5aed0efcd93d Mon Sep 17 00:00:00 2001 From: Tim Foley Date: Mon, 11 Sep 2017 09:33:46 -0700 Subject: Support IR-based codegen for a few more examples. The main interesting change here is around support for lowering of calls to "subscript" operations (what a C++ programmer would think of as `operator[]`). An important infrastructure change here was to add an explicit AST-node representation for a "static member expression" which we use whenever a member is looked up in a type as opposed to a value. The implementation of this probably isn't robust yet, but it turns out to be important to be able to tell such cases apart. --- source/slang/lower.cpp | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) (limited to 'source/slang/lower.cpp') diff --git a/source/slang/lower.cpp b/source/slang/lower.cpp index f0d756a02..391221f47 100644 --- a/source/slang/lower.cpp +++ b/source/slang/lower.cpp @@ -1852,17 +1852,28 @@ struct LoweringVisitor return &shared->compileRequest->mSink; } + LoweredExpr visitStaticMemberExpr( + StaticMemberExpr* expr) + { + auto loweredBase = lowerExprOrTuple(expr->BaseExpression); + auto loweredDeclRef = translateDeclRef(expr->declRef); + + // TODO: we should probably support type-type members here. + + RefPtr loweredExpr = new StaticMemberExpr(); + lowerExprCommon(loweredExpr, expr); + loweredExpr->BaseExpression = loweredBase.getExpr(); + loweredExpr->declRef = loweredDeclRef.As(); + loweredExpr->name = expr->name; + + return LoweredExpr(loweredExpr); + } + LoweredExpr visitMemberExpr( MemberExpr* expr) { assert(expr->BaseExpression); auto loweredBase = lowerExprOrTuple(expr->BaseExpression); - - if( !loweredBase ) - { - loweredBase = lowerExprOrTuple(expr->BaseExpression); - } - assert(loweredBase); auto loweredDeclRef = translateDeclRef(expr->declRef); -- cgit v1.2.3