refactor(parser): simplify DocumentFragment rule

[xcoulon]

also, refactor block delimiter tracking in preprocessing

Signed-off-by: Xavier Coulon [email protected]

[codecov]

Codecov Report

Merging #1038 (55ccebe) into master (c3e86f3) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1038      +/-   ##
==========================================
- Coverage   80.22%   80.21%   -0.01%     
==========================================
  Files          86       86              
  Lines        7064     7061       -3     
==========================================
- Hits         5667     5664       -3     
  Misses        873      873              
  Partials      524      524              

[github-actions]

Comparing with master branch:

name                                          old time/op    new time/op    delta
RealDocumentProcessing/demo.adoc-2              24.5ms ± 5%    24.3ms ± 4%    ~     (p=0.546 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2    67.0ms ± 4%    71.4ms ± 3%  +6.57%  (p=0.000 n=10+10)
RealDocumentProcessing/mocking.adoc-2           68.0ms ± 6%    67.2ms ± 3%    ~     (p=0.684 n=10+10)

name                                          old alloc/op   new alloc/op   delta
RealDocumentProcessing/demo.adoc-2              10.6MB ± 0%    10.6MB ± 0%    ~     (p=0.136 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2    27.9MB ± 0%    27.9MB ± 0%    ~     (p=0.549 n=9+10)
RealDocumentProcessing/mocking.adoc-2           23.7MB ± 0%    23.7MB ± 0%    ~     (p=0.113 n=9+10)

name                                          old allocs/op  new allocs/op  delta
RealDocumentProcessing/demo.adoc-2                123k ± 0%      123k ± 0%    ~     (p=0.107 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2      350k ± 0%      350k ± 0%    ~     (p=0.604 n=9+10)
RealDocumentProcessing/mocking.adoc-2             350k ± 0%      350k ± 0%    ~     (p=0.099 n=9+10)

Comparing with latest release:

name                                          old time/op    new time/op    delta
RealDocumentProcessing/demo.adoc-2              24.5ms ± 5%    16.3ms ± 6%  -33.58%  (p=0.000 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2    67.0ms ± 4%    47.8ms ± 5%  -28.66%  (p=0.000 n=10+10)
RealDocumentProcessing/mocking.adoc-2           68.0ms ± 6%    47.8ms ± 4%  -29.71%  (p=0.000 n=10+10)

name                                          old alloc/op   new alloc/op   delta
RealDocumentProcessing/demo.adoc-2              10.6MB ± 0%     8.8MB ± 0%  -16.69%  (p=0.000 n=9+10)
RealDocumentProcessing/vertx-examples.adoc-2    27.9MB ± 0%    24.0MB ± 0%  -13.96%  (p=0.000 n=9+9)
RealDocumentProcessing/mocking.adoc-2           23.7MB ± 0%    21.6MB ± 0%   -8.85%  (p=0.000 n=9+9)

name                                          old allocs/op  new allocs/op  delta
RealDocumentProcessing/demo.adoc-2                123k ± 0%      106k ± 0%  -13.19%  (p=0.000 n=9+9)
RealDocumentProcessing/vertx-examples.adoc-2      350k ± 0%      305k ± 0%  -12.85%  (p=0.000 n=9+10)
RealDocumentProcessing/mocking.adoc-2             350k ± 0%      326k ± 0%   -6.67%  (p=0.000 n=9+10)