code wiki / _hdl_build / nx_browser_bg_cascade_gate.nx

nx_browser_bg_cascade_gate.nx

buildroot/runtime/_hdl_build/nx_browser_bg_cascade_gate.nx

5015 B75 linesdepth 9pulls 29 transitivereach 0 importersview sourcekind gate/prooftopic browser
docsdependenciesstructsconstsfunctions

about

nx_browser_bg_cascade_gate.nx -- PROOF (re-runnable, adversary-controlled) of the S21 dark-theme fix: the Nishi browser's br_comp_bg must respect CSS CASCADE ORDER across `background-color` AND the `background` shorthand. The bug: it tried background-color FIRST, so the UA sheet's body{background-color:#fff} always beat an author body{background:var(--bg)} -> our dark pages rendered light-text-on-white (invisible). This is not "I can see it fixed" -- it's a GATE with a NEG-CONTROL that reproduces the old white result, so a regression to first-background-color-wins turns T2 RED. license_tier: ORIGINAL expect_exit: 0

dependencies 2 imports · 0 importers

nx_syscalls.nx nx_browser_render.nx nx_browser_bg_cascade_gate.nx

imports: nx_syscalls.nxnx_browser_render.nx

imported by: nobody (leaf or entry point)

call flow from main pre-order; caps 40 nodes / depth 6 declared; ↻ = already shown

main hw sys_write sys_mmap setcd br_comp_bg br_prop_eq sys_mmap ↻ nx_css_color_decode _css_color_hex_digit _css_color_hex_pair _css_color_hex_digit ↻ nx_css_color_named _ccn_eq _ccn_set nx_css_color_rgb_func sys_mmap ↻ _ccr_next_uint _ccr_alpha pn sys_mmap ↻ sys_write ↻ br_comp_color sys_mmap ↻ nx_css_color_decode ↻ nx_css_color_named ↻ nx_css_color_rgb_func ↻ sys_exit

structs

none

consts

none

functions

10func hw(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 }
called by 1: main calls 1: sys_write
11func pn(v: i64) -> i64 { let t: *u8=sys_mmap(24); var m: i64=v; if m<0{sys_write(1,"-" as *u8,1);m=0-m} var k: i64=0; if m==0{t[0]=48 as u8;k=1} while m>0{t[k]=(48+(m%10)) as u8;m=m/10;k=k+1} let b: *u8=sys_mmap(24); var j: i64=0; while j<k{b[j]=t[k-1-j];j=j+1} sys_write(1,b,k); return 0 }
called by 1: main calls 2: sys_mmapsys_write
13func setcd(c: *CssComputedDecl, idx: i64, e: i64, po: i64, pl: i64, vo: i64, vl: i64) -> i64
called by 1: main
23func main() -> i64