digitalmars.D.bugs - [Issue 9529] New: Switch Statement grammar bug for the chain of case statements
- d-bugmail puremagic.com (56/56) Feb 17 2013 http://d.puremagic.com/issues/show_bug.cgi?id=9529
http://d.puremagic.com/issues/show_bug.cgi?id=9529 Summary: Switch Statement grammar bug for the chain of case statements Product: D Version: D2 Platform: All OS/Version: All Status: NEW Keywords: rejects-valid, spec Severity: normal Priority: P2 Component: websites AssignedTo: nobody puremagic.com ReportedBy: k.hara.pg gmail.com Currently the chain of case statement is not allowed in grammar. void main() { int c; switch (c) { case 1: case 2: // chain break; default: break; } } But it is no sense. Because it is just equivalent with: switch (c) { case 1 : .. case 2: break; http://dlang.org/statement.html#SwitchStatement -------- SwitchStatement: switch ( Expression ) ScopeStatement CaseStatement: case ArgumentList : ScopeStatementList CaseRangeStatement: case FirstExp : .. case LastExp : ScopeStatementList FirstExp: AssignExpression LastExp: AssignExpression DefaultStatement: default : ScopeStatementList ScopeStatementList: StatementListNoCaseNoDefault StatementListNoCaseNoDefault: StatementNoCaseNoDefault StatementNoCaseNoDefault StatementListNoCaseNoDefault StatementNoCaseNoDefault: ; NonEmptyStatementNoCaseNoDefault ScopeBlockStatement -------- -- Configure issuemail: http://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Feb 17 2013