private StmtRaw ParseCatch() //例:处理异常EX
{
StmtCatchRaw catchStmt = new StmtCatchRaw();
catchStmt.CatchToken = (LexTokenText)currLineTokenTape.Current;
currLineTokenTape.MoveNext();
catchStmt.ExceptionTypeVarToken = (LexTokenText)currLineTokenTape.Current;
currLineTokenTape.MoveNext();
TapeMoveNext();
catchStmt.CatchBody = ParseStmtBlockRaw(catchStmt.CatchToken.Position.Col);
return(catchStmt);
}
public StmtCatch(StmtCatchRaw raw, Stmt parentStmt)
{
Raw = raw;
ParentStmt = parentStmt;
StmtBody = new StmtBlock(this, raw.CatchBody);
}