def esc

bend-kit-regex@0.8.0.0 · regex.bend:117

import Base

117# The text after a backslash.
118def esc(s: String) -> Esc:
119  match s:
120    case SNil{}:
121      EBad{}
122    case SCon{'d', t}:
123      EItems{perl.d(), t}
124    case SCon{'D', t}:
125      EItems{perl.D(), t}
126    case SCon{'w', t}:
127      EItems{perl.w(), t}
128    case SCon{'W', t}:
129      EItems{perl.W(), t}
130    case SCon{'s', t}:
131      EItems{perl.s(), t}
132    case SCon{'S', t}:
133      EItems{perl.S(), t}
134    case SCon{'p', t}:
135      prop(False{}, t)
136    case SCon{'P', t}:
137      prop(True{}, t)
138    case SCon{'A', t}:
139      EAssert{0, t}
140    case SCon{'z', t}:
141      EAssert{1, t}
142    case SCon{'b', t}:
143      EAssert{2, t}
144    case SCon{'B', t}:
145      EAssert{3, t}
146    case SCon{'n', t}:
147      EPoint{10, t}
148    case SCon{'t', t}:
149      EPoint{9, t}
150    case SCon{'r', t}:
151      EPoint{13, t}
152    case SCon{'f', t}:
153      EPoint{12, t}
154    case SCon{'v', t}:
155      EPoint{11, t}
156    case SCon{Chr{+c}, t}:
157      esc.other(is_alnum(c), c, t)