sonbinary
asked on
Find compiler Pascal open source
I want to find doc about how to developing Pascal language (compiler)
Who can help me ??
Who can help me ??
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I _think_ I've answered the Q...
ASKER
I had syntax for some token like begin end,....case,....
I want to define syntax for record type, .....how to do that??
Main->Program Id Semi
Dec->Var Id_list Colon Type Semi
Id_list-> Id_list Comma Id|Id
Type->Simple|Id|Array Osqua Simple Csqua Of Type
Simple->Integer|Float|Num1
Body->Begin Stmt_list End Dot
Stmt_list->Stmt_list Stmt| Є
Stmt->(CaseStmt|AssignStmt
CaseStmt->Case Id Of BodyCase_list End
BodyCase_list->BodyCase_li
BodyCase-> Num1 Colon Stmt_list
AssignStmt-> Id Set Exp
Exp-> Exp Op1 Term|Term
Term-> Term Op2 Factor|Factor Op3 Term|Factor
Factor->Id|Num1|Num2| Openbracket Exp Closebracket