Scan.bs.breaks: def of yaml-for-bend@0.1.1.0
Import: import yaml-for-bend@0.1.1.0/scan.bend as Scan
Lines 1021-1038 of yaml-for-bend@0.1.1.0/scan.bend: https://jend.leeeet.dev/read.txt?path=yaml-for-bend@0.1.1.0/scan.bend&start_line=1021&end_line=1038

import Base
import yaml-for-bend@0.1.1.0/token.bend as T

# Blank lines and the indentation before content. The first content line
# sets the indentation when the header didn't; no blank line before it may
# be deeper. A tab may start content but not indentation. A last line of
# spaces with no break after it still counts as a line.
def bs.breaks(+cur: Cur, +acc: String, +ind: Nat, +max: Nat, +lead: Bool, +lblank: Bool, +brks: Nat, +pind: Nat, +start: T.Mark) -> Bs:
  +c = peek(cur.s(cur), 0n)
  +col = cur.col(cur)
  +inside = Bool.or(Nat.is_eq(ind, 0n), Nat.is_lt(1n+col, ind))
  +first = Bool.and(Nat.is_eq(ind, 0n), Nat.is_ge(col, pind))
  +partial = Bool.and(Nat.is_gt(col, 0n), Nat.is_gt(T.mark.line(cur.at(cur)), T.mark.line(start)))
  Bool.pick(Bs, Bool.and(Char.is_eq(c, ' '), inside), Bs{adv(cur), acc, ind, max, lead, lblank, brks, Breaks{}},
    Bool.pick(Bs, is_break(c), Bs{adv(cur), acc, ind, Nat.max(col, max), lead, lblank, 1n+brks, Breaks{}},
      Bool.pick(Bs, is_end(c), Bs{cur, acc, ind, max, lead, lblank, Bool.pick(Nat, partial, 1n+brks, brks), LineStart{}},
        Bool.pick(Bs, Bool.and(Bool.and(Char.is_eq(c, '\t'), inside), Bool.not(first)),
          BsBad{T.Error{"found a tab character where an indentation space is expected while scanning a block scalar", start, T.Syntax{}}},
          Bool.pick(Bs, Bool.and(first, Nat.is_gt(max, col)),
            BsBad{T.Error{"found a leading blank line with more spaces than the first content line while scanning a block scalar", start, T.Syntax{}}},
            Bs{cur, acc, Bool.pick(Nat, Nat.is_eq(ind, 0n), 1n+Nat.max(col, pind), ind), max, lead, lblank, brks, LineStart{}})))))

Uses (28):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.or
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_ge
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_gt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.max
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=BPhase
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=Bs
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=Cur
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=adv
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=cur.at
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=cur.col
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=cur.s
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=is_break
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=is_end
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/scan.bend&name=peek
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/token.bend&name=Cause
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/token.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/token.bend&name=Mark
  https://jend.leeeet.dev/definition.txt?path=yaml-for-bend@0.1.1.0/token.bend&name=mark.line