1. Language framework in a managed environment Microsoft Development Center Copenhagen Author: João Filipe Gama de Magalhães E-mail: t-joaode@microsoft.com February 2008

7. Compiler Implementation Language framework in a managed environment February 2008 GPLEX Scanner Generator II %using gppg; %option minimize %namespace Microsoft.Dynamics.PBvNext.Modelling.ExpressionCompiler /* independent scanner section start */ %x COMMENT %x STRING %x METADATA White0 [ ] White {White0}| CmntStart CmntEnd ABStar [^]* ABStar2 [^amp;quot;]* NONl [^]* StrStart amp;quot; StrEnd amp;quot;

8. Compiler Implementation Language framework in a managed environment February 2008 GPLEX Scanner Generator III %{ %} if { return (int)Tokens.KWIF; } switch { return (int)Tokens.KWSWITCH; } case { return (int)Tokens.KWCASE; } [_][a-zA-Z0-9_]+ return (int)Tokens.IDENT; } [0-9]+ { return (int)Tokens.NUMBER; } {CmntStart}{ABStar}*{CmntEnd} { return (int)Tokens.LEX_COMMENT; } {CmntStart}{ABStar}* { BEGIN(COMMENT); return (int)Tokens.LEX_COMMENT; } <COMMENT> | <COMMENT>{ABStar}* { return (int)Tokens.LEX_COMMENT; } /* the end of the comment */ <COMMENT>{ABStar}*{CmntEnd} { BEGIN(INITIAL); return (int)Tokens.LEX_COMMENT; } /* all the other cases */ . { yyerror(&quot;illegal char&quot;); return (int)Tokens.LEX_ERROR; } %{ %}

10. Compiler Implementation Language framework in a managed environment February 2008 GPPG Parser Generator II %using Microsoft.Dynamics.PBvNext.DataStructure.ExpressionAST %namespace Microsoft.Dynamics.PBvNext.Modelling.ExpressionCompiler %valuetype LexValue %partial %union { public string str; public AstNode node; } %{ public RootNode rootNode; %} %token KWIF KWSWITCH KWCASE %token STR CMT META IDENT NUMBER %left BARBAR AMPAMP %left '!' %left NEQ EQ %left '-' '+'

11. Compiler Implementation Language framework in a managed environment February 2008 GPPG Parser Generator III %% E : B { rootNode = new RootNode((ExpressionNode) $1.node); } | { rootNode = new RootNode(); } ; B : B AMPAMP B { $$.node = new BinaryBooleanExpressionNode(BooleanOperationType.AND, (ExpressionNode) $1.node, (ExpressionNode) $3.node); } ; A : A '+' A { $$.node = new BinaryArithmeticExpressionNode(ArithmeticOperationType.PLUS, (ArithmeticExpressionNode) $1.node, (ArithmeticExpressionNode) $3.node); } A : A '+' error {throw new ParsingError(”Error reducing literal expression”); } ; L : ATTR { $$.node = new AttributeNode($1.str); } | CONST { $$.node = new ConstantNode(Int32.Parse($1.str)); } | error { throw new ParsingError(”Error reducing literal expression”); } ; CONST : NUMBER { $$.str = $1.str; } ; ATTR : IDENT { $$.str = $1.str; } ;

12. Compiler Implementation Language framework in a managed environment February 2008 GPPG and GPLEX // creates a new scanner Scanner scanner = new Scanner(); // creates a new parser Parser parser = new Parser(); // sets the scanner for the parser parser.scanner = scanner; // sets the stream to parse scanner.buffer = new Scanner.StringBuff( this .Value); // parses the file parser.Parse(); // retrieves the output root node this .RootNode = parser.rootNode;

14. Compiler Implementation Language framework in a managed environment February 2008 Visitor Pattern II

25. Compiler Implementation Language framework in a managed environment February 2008 Adapter and Plug-ins II

31. Developed Solution Language framework in a managed environment February 2008 The Modeling Environment Compiler Tools Pml Compiler Client Code Generator Lexical Analyzer Semantic Analyzer Syntactical Analyzer Pml Code Tools Syntax Highlighter Code Completer AST

34. Developed Solution Language framework in a managed environment February 2008 The Configuration Environment Configuration Engine Adapter Abstraction Layer Microsoft Constraint Solver Adapter Microsoft Parallel Constraint Solver Adapter Interpretation Tools Client API Microsoft Parallel Constraint Solver Microsoft Constraint Solver AST Adapters

38. Demo Language framework in a managed environment February 2008 Demo