improved sed error handling

qse/include/qse/sed/Sed.hpp

@@ -1,5 +1,5 @@
 /*
- * $Id: Sed.hpp 258 2009-08-19 14:04:15Z hyunghwan.chung $
+ * $Id: Sed.hpp 269 2009-08-26 03:03:51Z hyunghwan.chung $
  *
    Copyright 2006-2009 Chung, Hyung-Hwan.
 
@@ -36,8 +36,10 @@ QSE_BEGIN_NAMESPACE(QSE)
 class Sed: public Mmgr
 {
 public:
-	/// Type sed_t type redefines a stream editor type
+	/// The sed_t type redefines a stream editor type
 	typedef qse_sed_t sed_t;
+	/// The loc_t type redefines the location type	
+	typedef qse_sed_loc_t loc_t;
 	/// The errnum_t type redefines an error number type
 	typedef qse_sed_errnum_t errnum_t; 
 	/// The errstr_t type redefines an error formattering string getter type
@@ -138,11 +140,12 @@ public:
 	const char_t* getErrorMessage() const;
 
 	/**
-	 * The getErrorLine() function gets the number of the line where
-	 * the last error occurred. It returns 0 if the stream editor has 
-	 * not been initialized with the open() function.
+	 * The getErrorLocation() function gets the location where
+	 * the last error occurred. The line and the column of the ::loc_t 
+	 * structure retruend are 0 if the stream editor has not been 
+	 * initialized with the open() function.
 	 */
-	size_t getErrorLine () const;
+	loc_t getErrorLocation () const;
 
 	/**
 	 * The getErrorNumber() function gets the number of the last 
@@ -155,9 +158,10 @@ public:
 	 * The setError() function sets information on an error occurred.
 	 */
 	void setError (
-		errnum_t      err,             ///< an error number
-		const cstr_t* args = QSE_NULL, ///< strings for formatting an error message
-		size_t        lin = 0          ///< a line number
+		errnum_t      num,             ///< error number
+		const cstr_t* args = QSE_NULL, ///< string array for formatting
+		                               ///  an error message
+		const loc_t*  loc = QSE_NULL   ///< error location
 	);
 
 	/**

qse/include/qse/sed/sed.h

@@ -1,5 +1,5 @@
 /*
- * $Id: sed.h 268 2009-08-25 13:07:54Z hyunghwan.chung $
+ * $Id: sed.h 269 2009-08-26 03:03:51Z hyunghwan.chung $
  *
    Copyright 2006-2009 Chung, Hyung-Hwan.
 
@@ -304,11 +304,11 @@ qse_sed_errnum_t qse_sed_geterrnum (
 );
 
 /**
- * The qse_sed_geterrlin() function gets the number of the line where
- * the last error has occurred.
- * @return the line number of the last error
+ * The qse_sed_geterrloc() function gets the location where the last error 
+ * has occurred.
+ * @return error location
  */
-qse_size_t qse_sed_geterrlin (
+const qse_sed_loc_t* qse_sed_geterrloc (
 	qse_sed_t* sed /**< stream editor */
 );
 
@@ -321,15 +321,15 @@ const qse_char_t* qse_sed_geterrmsg (
 );
 
 /**
- * The qse_sed_geterror() function gets an error number, an error line, and 
- * an error message. The information is set to the memory area pointed to by
- * each parameter.
+ * The qse_sed_geterror() function gets an error number, an error location, 
+ * and an error message. The information is set to the memory area pointed 
+ * to by each parameter.
  */
 void qse_sed_geterror (
 	qse_sed_t*         sed,    /**< stream editor */
-	qse_sed_errnum_t*  errnum, /**< pointer to an error number holder */
-	qse_size_t*        errlin, /**< pointer to an error line holder */
-	const qse_char_t** errmsg  /**< pointer to an error message */
+	qse_sed_errnum_t*  errnum, /**< error number */
+	const qse_char_t** errmsg, /**< error message */
+	qse_sed_loc_t*     errloc  /**< error location */
 );
 
 /**
@@ -347,22 +347,23 @@ void qse_sed_seterrnum (
  * message for a given error number.
  */
 void qse_sed_seterrmsg (
-        qse_sed_t*        sed,    /**< stream editor */
-	qse_sed_errnum_t  errnum, /**< error number */
-        const qse_char_t* errmsg, /**< error message */
-	qse_size_t errlin         /**< error line */
+        qse_sed_t*        sed,      /**< stream editor */
+	qse_sed_errnum_t  errnum,   /**< error number */
+        const qse_char_t* errmsg,   /**< error message */
+	const qse_sed_loc_t* errloc /**< error location */
 );
 
 /**
- * The qse_sed_seterror() function sets an error number, an error line, and
+ * The qse_sed_seterror() function sets an error number, an error location, and
  * an error message. An error string is composed of a formatting string
  * and an array of formatting parameters.
  */
 void qse_sed_seterror (
-	qse_sed_t*        sed,    /**< stream editor */
-	qse_sed_errnum_t  errnum, /**< error number */
-	const qse_cstr_t* errarg, /**< argument array for formatting error message */
-	qse_size_t        errlin  /**< error line */
+	qse_sed_t*           sed,    /**< stream editor */
+	qse_sed_errnum_t     errnum, /**< error number */
+	const qse_cstr_t*    errarg, /**< array of arguments for formatting 
+	                              *   an error message */
+	const qse_sed_loc_t* errloc  /**< error location */
 );
 
 /**