with the Lexer. This is cheaper and gives us some advantages. For now we start
highlighting preprocessor directives (which need improvement), and disable
comments. Comments to be restored later.
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allowing us to use a cheaper means to highlight keywords and making
it so that comments won't foul up macro expansions.
Start highlighting macro expansions.
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problems, including the fact that it doesn't work well with multi-line
comments due to Ted's crazy table. However, that could be fixed, and it
does work with single-line ones :).
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a SourceLocation to get a RewriteBuffer, poke the RewriteBuffer
with an offset directly. THis is no faster, but results in
cleaner code.
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the new RHS directly instead of indirecting through the 'InsertResult'
struct. This eliminates InsertResult.
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a nice shiny B+ Tree variant. This fixes the last of the known algorithmic
issues with the rewriter, allowing a significant speedup. For example,
-emit-html on Ted's 500K .i file speeds up from 26.8s -> 0.64s in a
debug build (41x!) and 5.475s -> 0.132s (41x!) in an optimized build.
This code is functional but needs to be cleaned up, ifdefs removed, better
commented, and moved to a .cpp file. I plan to do this tomorrow.
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This results in an (IMO) simpler algorithm, results in fewer splits, and
is more amenable to delta handling (there is no reason to mutate the tree
at all when adding a delta to a position that already exists in the tree).
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(but simple!) datastructures in the rewriter with a more complex but
more efficient one.
This replaces the Deltas vector with a specialized BTree that makes
delta lookups much more efficient. This speeds up -emit-html on a 500K
.i file from 157.154 to 27.127 seconds on my machine (5.8x).
While this code is functional, it isn't very pretty, I have much
refactoring planned for it, and will remove the USE_VECTOR ifdef.
Stay tuned.
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the HTML file. This should reduce the amount of memory pressure on the
rewriter for files that have a lot of tabs.
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and clients can achieve a cleaner design just by inserting tags directly. Reserve
the "html" namespace for meta-level operations (e.g., escaping text, etc.)
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indicate whether or not the new tag should be the outermost tag at the specified
location (in the case that other tags have been inserted at the same spot).
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code as HTML. Added a new driver option "--emit-html" to dump the source
of the main input file as HTML.
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need to be skipped over when AfterInserts == true, as multiple deltas
may share the same FileLoc.
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lib dir and move all the libraries into it. This follows the main
llvm tree, and allows the libraries to be built in parallel. The
top level now enforces that all the libs are built before Driver,
but we don't care what order the libs are built in. This speeds
up parallel builds, particularly incremental ones.
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Chris Lattner
Ted Kremenek