report.c

用C++编写的一个编译器

#include <stdio.h>
#include <stdarg.h>
#include "utility.h"
#include "symbol.h"
extern long returnlabel;

int error_count, warning_count;
static char *error_message[ERROR_MAPPER]={
	"can not open file",	//0
	"unknown character",	//1
	"unknown size",			//2
	"syntax error",			//3
	"unknown preprocess directive",	//4
	"wrong preprocess directive format", //5
	"unknown constant value",	//6
	"redefine viriable",	//7
	"wrong basic data type",//8
	"redefined type",		//9
	"types conflict",		//10
	"expected constant expression",	//11
	"expected positive value",	//12
	"redefined member",		//13
	"no struct/union members",//14
	"can not allocate memory of zero size",//15
	"unknown identifier",	//16
	"not match the parameter",	//17
	"to few arguments in function call",//18
	"expected a function name or function pointer", //19
	"expected a pointer",	//20
	"expected a struct/union type when ./-> operator", //21
	"not a member name",		//22
	"expected a integer",	//23
	"expected a variable",	//24
	"storage class error",	//25
	"redefined function",	//26
	"declaration differs from the previous",	//27
	"array element type can not be function",	//28
	"redefined label",		//29
	"not in a loop/switch",	//30
	"not found label",			//31
	"more than one default action in switch"
};

void generror(int errcode, const char *info)
{
	error_count++;
	if(returnlabel == UNKNOWN)fprintf(stderr, "%s(%d): error: %s -- %s\n", 
		currentfile, lineno, error_message[errcode], info);
	else fprintf(stderr, "%s: error: %s -- %s\n", 
		currentfile, error_message[errcode], info);
}
void genwarning(int errcode, const char *info)
{
	warning_count++;
	fprintf(stderr, "%s(%d): warning: %s -- %s\n", 
		currentfile, lineno, error_message[errcode], info);
}
int report()
{
	fprintf(stderr, "%-10s ---- %2d error(s), %2d warning(s)\n",
		currentfile, error_count, warning_count);
	return error_count;
}
void
debug(const char *info, ...)
{
	va_list ap;
	va_start(ap, info);
	vfprintf(stderr, info, ap);
	va_end(ap);

	return;
}