comparison: objwriter.cxx
objwriter.cxx
- changeset 41
- 47e686c96d8f
- parent 39
- 07b7ab8080cf
- child 42
- 5cd91fd1526c
equal
deleted
inserted
replaced
| 40:9e4f785501db | 41:47e686c96d8f |
|---|---|
| 118 CHECK_FILE (fp, filepath, "writing"); | 118 CHECK_FILE (fp, filepath, "writing"); |
| 119 | 119 |
| 120 if (sizeof (unsigned char) != 1) | 120 if (sizeof (unsigned char) != 1) |
| 121 error ("size of unsigned char isn't 1, but %d!\n", sizeof (unsigned char)); | 121 error ("size of unsigned char isn't 1, but %d!\n", sizeof (unsigned char)); |
| 122 | 122 |
| 123 unsigned int refpos = 0; | |
| 123 for (unsigned int x = 0; x < MainBuffer->writesize; x++) { | 124 for (unsigned int x = 0; x < MainBuffer->writesize; x++) { |
| 124 // Check if this position is a reference | 125 // Check if this position is a reference |
| 125 for (unsigned int r = 0; r < MAX_MARKS; r++) { | 126 for (unsigned int r = 0; r < MAX_MARKS; r++) { |
| 126 if (MainBuffer->refs[r] && MainBuffer->refs[r]->pos == x) { | 127 if (MainBuffer->refs[r] && MainBuffer->refs[r]->pos == x) { |
| 127 // All marks need their positions bumped up as the bytecode will gain | |
| 128 // 4 more bytes with the written reference. Other references do not | |
| 129 // need their positions bumped because they check against mainbuffer | |
| 130 // position (x), not written ones. | |
| 131 for (unsigned int s = 0; s < MAX_MARKS; s++) | |
| 132 if (MainBuffer->marks[s]) | |
| 133 MainBuffer->marks[s]->pos += sizeof (word); | |
| 134 | |
| 135 word ref = static_cast<word> (MainBuffer->marks[MainBuffer->refs[r]->num]->pos); | 128 word ref = static_cast<word> (MainBuffer->marks[MainBuffer->refs[r]->num]->pos); |
| 129 printf ("insert reference to mark %d (%ld) refpos = %d\n", MainBuffer->refs[r]->num, ref, refpos); | |
| 136 WriteDataToFile<word> (ref); | 130 WriteDataToFile<word> (ref); |
| 137 | 131 |
| 138 // This reference is now used up - no need to keep it anymore. | 132 // This reference is now used up - no need to keep it anymore. |
| 139 delete MainBuffer->refs[r]; | 133 delete MainBuffer->refs[r]; |
| 140 MainBuffer->refs[r] = NULL; | 134 MainBuffer->refs[r] = NULL; |
| 135 | |
| 136 // All marks still ahead need their positions bumped up as the bytecode | |
| 137 // will gain 4 more bytes with the written reference. Other references | |
| 138 // do not need their positions bumped because they check against mainbuffer | |
| 139 // position (x), not written ones. | |
| 140 for (unsigned int s = 0; s < MAX_MARKS; s++) | |
| 141 if (MainBuffer->marks[s] && MainBuffer->marks[s]->pos > refpos) { | |
| 142 printf ("mark %u bumped\n", s); | |
| 143 MainBuffer->marks[s]->pos += sizeof (word); | |
| 144 } | |
| 145 refpos += sizeof (word); | |
| 141 } | 146 } |
| 142 } | 147 } |
| 143 | 148 |
| 144 WriteDataToFile<unsigned char> (*(MainBuffer->buffer+x)); | 149 WriteDataToFile<unsigned char> (*(MainBuffer->buffer+x)); |
| 150 refpos++; | |
| 145 } | 151 } |
| 146 | 152 |
| 147 printf ("-- %u byte%s written to %s\n", numWrittenBytes, PLURAL (numWrittenBytes), filepath.chars()); | 153 printf ("-- %u byte%s written to %s\n", numWrittenBytes, PLURAL (numWrittenBytes), filepath.chars()); |
| 148 fclose (fp); | 154 fclose (fp); |
| 149 } | 155 } |
| 184 | 190 |
| 185 // Deletes a mark | 191 // Deletes a mark |
| 186 void ObjWriter::DeleteMark (unsigned int mark) { | 192 void ObjWriter::DeleteMark (unsigned int mark) { |
| 187 GetCurrentBuffer()->DeleteMark (mark); | 193 GetCurrentBuffer()->DeleteMark (mark); |
| 188 } | 194 } |
| 195 | |
| 196 void ObjWriter::OffsetMark (unsigned int mark, int offset) { | |
| 197 GetCurrentBuffer()->OffsetMark (mark, offset); | |
| 198 } |
