grammer.h

snl语言的语法分析 （递归下降法）词法分析

#include"GrammerNodeClass.h"
#ifndef _G_H
#define _G_H

class Grammer
{
public:
	Grammer(Token *);
	~Grammer();
	int Grammer_Parse();     


	

	GrammerNode * Grammer_ProgramHead();     

	

	GrammerNode *  Grammer_DeclarePart();

	

	GrammerNode * Grammer_TypeDec();
	GrammerNode * Grammer_TypeDecList();
	

	void Grammer_TypeDef(GrammerNode * node_temp);
	GrammerNode * Grammer_TypeDecMore();



	void Grammer_BaseType(GrammerNode * node_temp);




	void Grammer_StructType(GrammerNode * node_temp);

	void Grammer_ArrayType(GrammerNode * node_temp);


	void Grammer_RecordType(GrammerNode * node_temp);

	void Grammer_FieldDecList(GrammerNode * node_temp);
	

	void Grammer_IdList(GrammerNode * node_temp);
	

	void Grammer_FieldDecMore(GrammerNode * node_temp);


	

	GrammerNode* Grammer_VarDec();
	  GrammerNode* Grammer_VarDecList();
	void Grammer_VarIdList(GrammerNode* node_temp);
	GrammerNode* Grammer_VarDecMore();
	    
	
	  void Grammer_VarIDMore(GrammerNode* node_temp);


	GrammerNode* Grammer_ProcDec();
	GrammerNode* Grammer_ProcDeclaration();
	void Grammer_ParamList(GrammerNode* node_temp);
        	GrammerNode* Grammer_ParamDecList();
	void Grammer_Param(GrammerNode* node_temp);
	GrammerNode* Grammer_ParamMore();
	  void Grammer_FormList(GrammerNode* node_temp);
	

	GrammerNode* Grammer_ProcDecPart();
	

	GrammerNode* Grammer_procBody();

   


	  
	GrammerNode* Grammer_ProgramBody();
	

	GrammerNode* Grammer_StmList();
	

	void Grammer_Stm(GrammerNode* node_temp);
	

	GrammerNode* Grammer_StmMore();

   
	void Grammer_ConditionalStm(GrammerNode* node_temp);
	

	void Grammer_LoopStm(GrammerNode* node_temp);

	
	void Grammer_ReturnStm(GrammerNode* node_temp);


	void Grammer_InputStm(GrammerNode* node_temp);

	
	void Grammer_OutputStm(GrammerNode* node_temp);
	

	void Grammer_AssCall(GrammerNode* node_temp);
	

	GrammerNode* Grammer_Exp();



	void Grammer_AssignmentRest(GrammerNode* node_temp);
	

	void Grammer_CallStmRest(GrammerNode* node_temp);
	

	GrammerNode* Grammer_ActParamList();
	

	GrammerNode* Grammer_ActParamMore();



	GrammerNode* Grammer_simple_exp();
	

	GrammerNode* Grammer_term();
	

	GrammerNode* Grammer_factor();
	

	void Grammer_variable(GrammerNode* node_temp);


	GrammerNode* Grammer_fieldvar();
	

	void Grammer_fieldvarMore(GrammerNode* node_temp);


	int Grammer_match();


	void Grammer_out();
	

	void Grammer_Node_out(GrammerNode* node_temp,int fl);	

	

	void Grammer_DecK_out(GrammerNode* node_temp);


	void Grammer_StmtK_out(GrammerNode* node_temp);
	

	void Grammer_ExpK_out(GrammerNode* node_temp);


	void Grammer_kind_dec(GrammerNode* node_temp);
	

	void Grammer_kind_stmt(GrammerNode* node_temp);
	

	void Grammer_kind_exp(GrammerNode* node_temp);


	NameNode * Add_name(string name);
	

	int TurnToInt(string str);
	

	
	void Grammer_delete(GrammerNode *node_temp);	

	
private:
	Token * token;
	Token * Token_curr;
	

	int i_IsDecR;           


	int i_IsVarR;           
	int i_IsProcR;			
	int i_IsBodyR;
	


		GrammerNode * Gra_root;
};




#endif