--- a/absyntax_utils/get_sizeof_datatype.cc Wed Jul 18 22:34:51 2012 +0100
+++ b/absyntax_utils/get_sizeof_datatype.cc Wed Jul 18 23:43:57 2012 +0100
@@ -45,8 +45,10 @@
* NOTE: for base 10 numeric literals, any number taking up more than 64 bits
* will only return a bitsize of 1024!
*
- * For numeric literals, we return the minimum number of bits
- * required to store the value.
+ * NOTE: The code that does the following has been commented out, since we no longer need it!
+ * It has been superceded by the constant_folding.cc class.
+ * // For numeric literals, we return the minimum number of bits
+ * // required to store the value.
*
* E.g. TYPE new_int_t : INT; END_TYPE;
* TYPE new_int2_t : INT = 2; END_TYPE;
@@ -57,19 +59,21 @@
* sizeof(DINT) -> 32
* sizeof(LINT) -> 64
*
- * sizeof('1') -> 1
- * sizeof('015') -> 4 # Leading zeros are ignored!
- * sizeof('0') -> 1 # This is a special case! Even the value 0 needs at least 1 bit to store!
- * sizeof('16') -> 5
- * sizeof('2#00101') -> 3
- * sizeof('8#334') -> 9
- * sizeof('16#2A') -> 8
- *
- * sizeof('7.4') -> 32 # all real literals return 32 bits, the size of a 'REAL'
- * # TODO: study IEC 60559 for the range of values that may be
- * # stored in a REAL (basic single width floating point format)
- * # and in a LREAL (basic double width floating point format)
- * # and see if some real literals need to return 64 instead!
+ * NOTE: The code that does the following has been commented out, since we no longer need it!
+ * It has been superceded by the constant_folding.cc class.
+ * // sizeof('1') -> 1
+ * // sizeof('015') -> 4 # Leading zeros are ignored!
+ * // sizeof('0') -> 1 # This is a special case! Even the value 0 needs at least 1 bit to store!
+ * // sizeof('16') -> 5
+ * // sizeof('2#00101') -> 3
+ * // sizeof('8#334') -> 9
+ * // sizeof('16#2A') -> 8
+ *
+ * // sizeof('7.4') -> 32 # all real literals return 32 bits, the size of a 'REAL'
+ * // # TODO: study IEC 60559 for the range of values that may be
+ * // # stored in a REAL (basic single width floating point format)
+ * // # and in a LREAL (basic double width floating point format)
+ * // # and see if some real literals need to return 64 instead!
*/
#include "get_sizeof_datatype.hh"
@@ -96,8 +100,7 @@
#define _decode_int(ptr) (((char *)ptr) - ((char *)NULL))
-
-
+#if 0 /* We no longer need the code for handling numeric literals. But keep it around for a little while longer... */
/* divide a base 10 literal in a string by 2 */
/* returns remainder of division (0 or 1) */
static int strdivby2(char **strptr) {
@@ -120,7 +123,7 @@
return carry;
}
-
+#endif
/* Constructor for the singleton class */
int get_sizeof_datatype_c::getsize(symbol_c *data_type_symbol) {
@@ -138,7 +141,7 @@
singleton = NULL;
}
-
+#if 0 /* We no longer need the code for handling numeric literals. But keep it around for a little while longer... */
/*********************/
/* B 1.2 - Constants */
/*********************/
@@ -415,7 +418,7 @@
return _encode_int(bitsize);
}
-
+#endif
/***********************************/
/* B 1.3.1 - Elementary Data Types */
--- a/absyntax_utils/get_sizeof_datatype.hh Wed Jul 18 22:34:51 2012 +0100
+++ b/absyntax_utils/get_sizeof_datatype.hh Wed Jul 18 23:43:57 2012 +0100
@@ -84,6 +84,7 @@
static get_sizeof_datatype_c *singleton;
private:
+#if 0 /* We no longer need the code for handling numeric literals. But keep it around for a little while longer... */
/*********************/
/* B 1.2 - Constants */
/*********************/
@@ -105,7 +106,7 @@
void *visit(binary_integer_c *symbol);
void *visit(octal_integer_c *symbol);
void *visit(hex_integer_c *symbol);
-
+#endif
/***********************************/
/* B 1.3.1 - Elementary Data Types */
/***********************************/