diff options
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Typers.scala | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala index df3731794a..789211fa98 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala @@ -1113,7 +1113,8 @@ trait Typers extends Modes with Adaptations with Tags { adaptType() else if ( inExprModeButNot(mode, FUNmode) && !tree.isDef && // typechecking application - tree.symbol != null && tree.symbol.isTermMacro) // of a macro + tree.symbol != null && tree.symbol.isTermMacro && // of a macro + !tree.attachments.get[SuppressMacroExpansionAttachment.type].isDefined) macroExpand(this, tree, mode, pt) else if ((mode & (PATTERNmode | FUNmode)) == (PATTERNmode | FUNmode)) adaptConstrPattern() @@ -5215,9 +5216,9 @@ trait Typers extends Modes with Adaptations with Tags { // find out whether the programmer is trying to eta-expand a macro def // to do that we need to typecheck the tree first (we need a symbol of the eta-expandee) // that typecheck must not trigger macro expansions, so we explicitly prohibit them - // Q: "but, " - you may ask - ", `typed1` doesn't call adapt, which does macro expansion, so why explicit check?" - // A: solely for robustness reasons. this mechanism might change in the future, which might break unprotected code - val exprTyped = context.withMacrosDisabled(typed1(expr, mode, pt)) + // however we cannot do `context.withMacrosDisabled` + // because `expr` might contain nested macro calls (see SI-6673) + val exprTyped = typed1(expr updateAttachment SuppressMacroExpansionAttachment, mode, pt) exprTyped match { case macroDef if macroDef.symbol != null && macroDef.symbol.isTermMacro && !macroDef.symbol.isErroneous => MacroEtaError(exprTyped) |