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connorjclark/gist:e69838b87f9c3c08d2fd32e88dc8a689

Created April 15, 2020 21:13
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Chromium CSS selectors
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gistfile1.txt
Match author styles (not UA or user styles) for an element: https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/css/resolver/style_resolver.cc;l=681;drc=28442cacc3be1a7d05a898aba663025a143095ac?originalUrl=https:%2F%2Fcs.chromium.org%2F
... 2 call stack frames away from ...
Collect the rules for an element: https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/css/element_rule_collector.cc;drc=28442cacc3be1a7d05a898aba663025a143095ac;bpv=0;bpt=1;l=207?originalUrl=https:%2F%2Fcs.chromium.org%2F
... which calls this a few times for different matching scenarios ...
Collect matching rules: https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/css/element_rule_collector.cc;l=133;drc=28442cacc3be1a7d05a898aba663025a143095ac?originalUrl=https:%2F%2Fcs.chromium.org%2F
After some early exit checks, it calls "checker.Match" which does the actual work: https://source.chromium.org/chromium/chromium/src/+/master:third_party/blink/renderer/core/css/selector_checker.cc?originalUrl=https:%2F%2Fcs.chromium.org%2F
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