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Default branch: MAIN
Current tag: VERSION_1_13_3
Revision 1.183 / (download) - annotate - [select for diffs], Thu Feb 12 12:24:33 2015 UTC (6 years, 4 months ago) by schwarze
CVS Tags: VERSION_1_13_3
Changes since 1.182: +78 -110 lines
Diff to previous 1.182 (colored)
Delete the mdoc_node.pending pointer and the function calculating it, make_pending(), which was the most difficult function of the whole mdoc(7) parser. After almost five years of maintaining this hellhole, i just noticed the pointer isn't needed after all. Blocks are always rewound in the reverse order they were opened; that even holds for broken blocks. Consequently, it is sufficient to just mark broken blogs with the flag MDOC_BROKEN and breaking blocks with the flag MDOC_ENDED. When rewinding, instead of iterating the pending pointers, just iterate from each broken block to its parents, rewinding all that are MDOC_ENDED and stopping after processing the first ancestor that it not MDOC_BROKEN. For ENDBODY markers, use the mdoc_node.body pointer in place of the former mdoc_node.pending. This also fixes an assertion failure found by jsg@ with afl, test case #467 (Bo Bl It Bd Bc It), where (surprise surprise) the pending pointer got corrupted. Improved functionality, minus one function, minus one struct field, minus 50 lines of code.
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