comparison: objwriter.cxx
objwriter.cxx
- changeset 42
- 5cd91fd1526c
- parent 41
- 47e686c96d8f
- child 43
- 1b35c9985989
equal
deleted
inserted
replaced
| 41:47e686c96d8f | 42:5cd91fd1526c |
|---|---|
| 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 // First, resolve references |
| 124 for (unsigned int x = 0; x < MainBuffer->writesize; x++) { | 124 for (unsigned int u = 0; u < MAX_MARKS; u++) { |
| 125 // Check if this position is a reference | 125 ScriptMarkReference* ref = MainBuffer->refs[u]; |
| 126 for (unsigned int r = 0; r < MAX_MARKS; r++) { | 126 if (!ref) |
| 127 if (MainBuffer->refs[r] && MainBuffer->refs[r]->pos == x) { | 127 continue; |
| 128 word ref = static_cast<word> (MainBuffer->marks[MainBuffer->refs[r]->num]->pos); | 128 |
| 129 printf ("insert reference to mark %d (%ld) refpos = %d\n", MainBuffer->refs[r]->num, ref, refpos); | 129 for (unsigned int v = 0; v < sizeof (word); v++) { |
| 130 WriteDataToFile<word> (ref); | 130 union_t<word> uni; |
| 131 | 131 uni.val = static_cast<word> (MainBuffer->marks[ref->num]->pos); |
| 132 // This reference is now used up - no need to keep it anymore. | 132 memset (MainBuffer->buffer + ref->pos + v, uni.b[v], 1); |
| 133 delete MainBuffer->refs[r]; | |
| 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); | |
| 146 } | |
| 147 } | 133 } |
| 148 | 134 } |
| 135 | |
| 136 // Then, dump the main buffer to the file | |
| 137 for (unsigned int x = 0; x < MainBuffer->writesize; x++) | |
| 149 WriteDataToFile<unsigned char> (*(MainBuffer->buffer+x)); | 138 WriteDataToFile<unsigned char> (*(MainBuffer->buffer+x)); |
| 150 refpos++; | |
| 151 } | |
| 152 | 139 |
| 153 printf ("-- %u byte%s written to %s\n", numWrittenBytes, PLURAL (numWrittenBytes), filepath.chars()); | 140 printf ("-- %u byte%s written to %s\n", numWrittenBytes, PLURAL (numWrittenBytes), filepath.chars()); |
| 154 fclose (fp); | 141 fclose (fp); |
| 155 } | 142 } |
| 156 | 143 |
