Changeset 58e0d3c for driver/as.cc

Timestamp:

Dec 8, 2021, 7:46:13 AM (3 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, master, pthread-emulation, qualifiedEnum

Children:

a499702

Parents:

88792f3

Message:

clean up code for assembler check

File:

• driver/as.cc (modified) (3 diffs)

driver/as.cc

@@ -11 +11 @@
 // Created On       : Wed Aug  1 10:49:42 2018
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Dec  7 21:15:25 2021
-// Update Count     : 132
+// Last Modified On : Wed Dec  8 07:34:12 2021
+// Update Count     : 135
 //
 
@@ -50 +50 @@
                                         cursor = strstr( cursor, "\n" ) + 1;
                                 } // for
-                                cursor -= 1;                                                    // backup over '\n'
+                                cursor -= 2;                                                    // backup over "d\n", where d is a hex digit
                                 // From elfcpp/dwarf.h in the binutils source tree.
                                 // DW_LANG_C89 = 0x1, DW_LANG_C = 0x2, DW_LANG_C99 = 0xc, DW_LANG_C11 = 0x1d
-                                if ( *(cursor - 3) == '0' && *(cursor - 2) == 'x' &&
-                                         (*(cursor - 1) == 'c' || *(cursor - 1) == '1' || *(cursor - 1) == '2') ) { // C89/C/C99
+                                if ( *(cursor - 2) == '0' && *(cursor - 1) == 'x' &&
+                                         (*cursor == 'c' || *cursor == '1' || *cursor == '2') ) { // C99/C89/C
                                         // Expand file by one byte to hold 2 character Cforall language code.
                                         if ( ftruncate( fd, size + 1 ) ) { perror( "ftruncate" ); exit( EXIT_FAILURE ); };
-                                        memmove( cursor + 1, cursor, start + size - cursor ); // move remaining text 1 character right
-                                } else if ( *(cursor - 4) == '0' && *(cursor - 3) == 'x' && *(cursor - 2) == '1' && *(cursor - 1) == 'd' ) { // C11
+                                        memmove( cursor + 2, cursor + 1, start + size - cursor - 1 ); // move remaining text 1 character right
+                                } else if ( *(cursor - 3) == '0' && *(cursor - 2) == 'x' && *(cursor - 1) == '1' && *cursor == 'd' ) { // C11
                                 } else {
                                         for ( int i = 0; i < 6; i += 1 ) {      // move N (magic) lines forward
@@ -69 +69 @@
                                 } // if
 
-                                *(cursor - 2) = '2';                                    // replace C89/C/C99/C11 language code with CFA code
-                                *(cursor - 1) = '5';
+                                *(cursor - 1) = '2';                                    // replace C89/C/C99/C11 language code with CFA code
+                                *cursor = '5';
                         } // if
                 } // if