diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/ast/parser/Parsers.scala | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala b/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala index 8778a655c1..40439a5379 100644 --- a/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala +++ b/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala @@ -614,6 +614,8 @@ self => case _ => false } + def isAnnotation: Boolean = in.token == AT + def isLocalModifier: Boolean = in.token match { case ABSTRACT | FINAL | SEALED | IMPLICIT | LAZY => true case _ => false @@ -741,7 +743,7 @@ self => } @inline final def commaSeparated[T](part: => T): List[T] = tokenSeparated(COMMA, sepFirst = false, part) @inline final def caseSeparated[T](part: => T): List[T] = tokenSeparated(CASE, sepFirst = true, part) - @inline final def readAnnots[T](part: => T): List[T] = tokenSeparated(AT, sepFirst = true, part) + def readAnnots(part: => Tree): List[Tree] = tokenSeparated(AT, sepFirst = true, part) /* --------- OPERAND/OPERATOR STACK --------------------------------------- */ @@ -1375,7 +1377,7 @@ self => } else { syntaxErrorOrIncomplete("`*' expected", skipIt = true) } - } else if (in.token == AT) { + } else if (isAnnotation) { t = (t /: annotations(skipNewLines = false))(makeAnnotated) } else { t = atPos(t.pos.startOrPoint, colonPos) { @@ -1612,13 +1614,16 @@ self => */ def block(): Tree = makeBlock(blockStatSeq()) + def caseClause(): CaseDef = + atPos(in.offset)(makeCaseDef(pattern(), guard(), caseBlock())) + /** {{{ * CaseClauses ::= CaseClause {CaseClause} * CaseClause ::= case Pattern [Guard] `=>' Block * }}} */ def caseClauses(): List[CaseDef] = { - val cases = caseSeparated { atPos(in.offset)(makeCaseDef(pattern(), guard(), caseBlock())) } + val cases = caseSeparated { caseClause() } if (cases.isEmpty) // trigger error if there are no cases accept(CASE) @@ -2060,6 +2065,8 @@ self => /* -------- PARAMETERS ------------------------------------------- */ + def allowTypelessParams = false + /** {{{ * ParamClauses ::= {ParamClause} [[nl] `(' implicit Params `)'] * ParamClause ::= [nl] `(' [Params] `)' @@ -2096,7 +2103,7 @@ self => val name = ident() var bynamemod = 0 val tpt = - if (settings.YmethodInfer && !owner.isTypeName && in.token != COLON) { + if (((settings.YmethodInfer && !owner.isTypeName) || allowTypelessParams) && in.token != COLON) { TypeTree() } else { // XX-METHOD-INFER accept(COLON) @@ -2877,7 +2884,7 @@ self => case IMPORT => in.flushDoc importClause() - case x if x == AT || isTemplateIntro || isModifier => + case x if isAnnotation || isTemplateIntro || isModifier => joinComment(topLevelTmplDef :: Nil) case _ => if (isStatSep) Nil @@ -2933,11 +2940,11 @@ self => if (in.token == IMPORT) { in.flushDoc stats ++= importClause() + } else if (isDefIntro || isModifier || isAnnotation) { + stats ++= joinComment(nonLocalDefOrDcl) } else if (isExprIntro) { in.flushDoc stats += statement(InTemplate) - } else if (isDefIntro || isModifier || in.token == AT) { - stats ++= joinComment(nonLocalDefOrDcl) } else if (!isStatSep) { syntaxErrorOrIncomplete("illegal start of definition", skipIt = true) } @@ -3017,7 +3024,7 @@ self => stats += statement(InBlock) if (in.token != RBRACE && in.token != CASE) acceptStatSep() } - else if (isDefIntro || isLocalModifier || in.token == AT) { + else if (isDefIntro || isLocalModifier || isAnnotation) { if (in.token == IMPLICIT) { val start = in.skipToken() if (isIdent) stats += implicitClosure(start, InBlock) |