/* Title: Pure/Isar/outer_keyword.scala
Author: Makarius
Isar command keyword classification.
*/
package isabelle
object OuterKeyword {
val MINOR = "minor"
val CONTROL = "control"
val DIAG = "diag"
val THY_BEGIN = "theory-begin"
val THY_SWITCH = "theory-switch"
val THY_END = "theory-end"
val THY_HEADING = "theory-heading"
val THY_DECL = "theory-decl"
val THY_SCRIPT = "theory-script"
val THY_GOAL = "theory-goal"
val QED = "qed"
val QED_BLOCK = "qed-block"
val QED_GLOBAL = "qed-global"
val PRF_HEADING = "proof-heading"
val PRF_GOAL = "proof-goal"
val PRF_BLOCK = "proof-block"
val PRF_OPEN = "proof-open"
val PRF_CLOSE = "proof-close"
val PRF_CHAIN = "proof-chain"
val PRF_DECL = "proof-decl"
val PRF_ASM = "proof-asm"
val PRF_ASM_GOAL = "proof-asm-goal"
val PRF_SCRIPT = "proof-script"
val minor = Set(MINOR)
val control = Set(CONTROL)
val diag = Set(DIAG)
val theory0 = Set(THY_BEGIN, THY_SWITCH, THY_END)
val theory1 = Set(THY_HEADING)
val theory2 = Set(THY_DECL, THY_GOAL)
val proof1 = Set(QED, QED_BLOCK, QED_GLOBAL, PRF_HEADING, PRF_GOAL, PRF_BLOCK, PRF_OPEN,
PRF_CLOSE, PRF_CHAIN, PRF_DECL)
val proof2 = Set(PRF_ASM, PRF_ASM_GOAL)
val improper = Set(THY_SCRIPT, PRF_SCRIPT)
}