main.cpp

词法分析

#include "globals.h"
#include "util.h"
#include "scan.h"
#include "parseLL_1.h"
#ifndef FALSE
#define FALSE 0
#endif

#ifndef TRUE
#define TRUE 1
#endif

FILE* source; /* source code text file */
FILE* scan;
FILE* parse;
FILE* stree;

int lineno=0; /* source line number for listing */
/* allocate and set tracing flags */
int EchoSource = TRUE;
int TraceScan = TRUE;
int Error = FALSE;
int ParseError=false;
// tokenno=0;







int main( int argc, char * argv[] )
	{ 
	  char pgm[120]; /* source code file name */
	//  char pgmscan[120];
	//  char pgmparse[120];
	  if (argc != 2)
		{ //fprintf(stderr,"usage: %s <filename>\n",argv[0]);
	      printf("Input your txt:\n");
		  scanf("%s",pgm);
		  //exit(1);
		}
	  else{  strcpy(pgm,argv[1]) ;}
	  if (strchr (pgm, '.') == NULL)
		 strcat(pgm,".txt");
	  source = fopen(pgm,"r");

	  scan=fopen("scan.txt","w");
	  parse=fopen("parse.txt","w");
	  stree=fopen("stree.txt","w");
	  if (source==NULL)
	  { 
		fprintf(stderr,"File %s not found\n",pgm);
		exit(1);
	  }

	   parseTree a;
       a=new StreeNode;


	

	  MainCtrl(a);
	  printTree(a);
	 // printfCreatM();
      while (getToken()!=ENDFILE)
	  {
		
	  };
	  getchar();

	  if(Error==TRUE)
		  printf("C_MINUS SCAN ERROR:%s\n",pgm);
		  else
		   printf("\nC_MINUS SCAN COMPILATION: %s\n",pgm);
	  if(ParseError==TRUE)
	  printf("C_MINUS PARSE ERROR:%s\n",pgm);
		  else
		   printf("\nC_MINUS PARSE COMPILATION: %s\n",pgm);
		  getchar();
	  fclose(source);
	  fclose(scan);
	  fclose(stree);
	  fclose(parse);
	 
													 
													 
	  return 0;
	}