source: liacs/coco/assignment4/ICGenerator.h@ 422

/*

 * ICGenerator.h - Declaration of the ICGenerator class

 *

 * Part of the assignment of the Compiler Construction course

 * LIACS, Leiden University

 */



#ifndef _ICGENERATOR_H_

#define _ICGENERATOR_H_



#include "SyntaxTree.h"

#include "SymbolTable.h"

#include "IntermediateCode.h"





// This class handles the intermediate code generation. Extend it to your own

// needs. Do not remove any of the predefined methods or members.

class ICGenerator {

  public:

    // Constructor

    ICGenerator();



    // Destructor

    ~ICGenerator();



    // Preprocesses the syntax tree; this method is called before

    // GenerateIntermediateCode() if optimizations are enabled

    void Preprocess (SyntaxTree * tree, SymbolTable * symtab);



    // Takes a SyntaxTree and converts it into an IntermediateCode structure

    IntermediateCode * GenerateIntermediateCode (SyntaxTree * inputTree, SymbolTable * symtab);



    // Postprocesses the intermediate code; this method is called after

    // GenerateIntermediateCode() if optimizations are enabled

    void Postprocess (IntermediateCode * code, SymbolTable * symtab);



  private:



    // Internal functions

    IOperand*ProcessTree(IntermediateCode*,Node*);

    void ProcessParamlist(IntermediateCode*,Node*);

    IStatement*ProcessBoolExpr(IntermediateCode*,Node*,Symbol*);

    void ReverseBranchCondition(IStatement*);

    Symbol*GenerateTempVar(ReturnType);

    Symbol*GenerateLabelSymbol();

    IStatement*GenerateLabel(IntermediateCode*,Symbol*);



    // Internal variables

    unsigned int tempvarIndex;

    unsigned int labelIndex;



    // Pointer to the symbol table

    SymbolTable * symtab;



    // Pointer to the tree

    SyntaxTree * tree;



    // <insert your own private members and methods>



};



#endif