Function parseBacktick

source code/utils/bash/bashParser.ts:3103–3152

(P: ParseState)

}

function parseBacktick(P: ParseState): TsNode | null {
  const start = P.L.b
  advance(P.L)
  const open = mk(P, '`', start, P.L.b, [])
  P.inBacktick++
  // Parse statements inline — stop at closing backtick
  const body: TsNode[] = []
  while (true) {
    skipBlanks(P.L)
    if (peek(P.L) === '`' || peek(P.L) === '') break
    const save = saveLex(P.L)
    const t = nextToken(P.L, 'cmd')
    if (t.type === 'EOF' || t.type === 'BACKTICK') {
      restoreLex(P.L, save)
      break
    }
    if (t.type === 'NEWLINE') continue
    restoreLex(P.L, save)
    const stmt = parseAndOr(P)
    if (!stmt) break
    body.push(stmt)
    skipBlanks(P.L)
    if (peek(P.L) === '`') break
    const save2 = saveLex(P.L)
    const sep = nextToken(P.L, 'cmd')
    if (sep.type === 'OP' && (sep.value === ';' || sep.value === '&')) {
      body.push(leaf(P, sep.value, sep))
    } else if (sep.type !== 'NEWLINE') {
      restoreLex(P.L, save2)
    }
  }
  P.inBacktick--
  let close: TsNode
  if (peek(P.L) === '`') {
    const cStart = P.L.b
    advance(P.L)
    close = mk(P, '`', cStart, P.L.b, [])
  } else {
    close = mk(P, '`', P.L.b, P.L.b, [])
  }
  // Empty backticks (whitespace/newline only) are elided entirely by
  // tree-sitter — used as a line-continuation hack: "foo"`<newline>`"bar"
  // → (concatenation (string) (string)) with no command_substitution.
  if (body.length === 0) return null
  return mk(P, 'command_substitution', start, close.endIndex, [
    open,
    ...body,
    close,
  ])
}

function parseIf(P: ParseState, ifTok: Token): TsNode {
  const ifKw = leaf(P, 'if', ifTok)