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ABENLOG_EXP_SHORTREF - LOG EXP SHORTREF

ABENLOG_EXP_SHORTREF - LOG EXP SHORTREF

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log_exp

Reference



Syntax

... { {operand1 {=|EQ|<>|NE|>|GT|<|LT|>=|GE|<=|LE
                |CO|CN|CA|NA|CS|NS|CP|NP
                |BYTE-CO|BYTE-CN|BYTE-CA|BYTE-NA|BYTE-CS|BYTE-NS
                |O|Z|M} operand2 }
    | {operand  [NOT] BETWEEN operand1 AND operand2}
    | {<fs>     IS [NOT] ASSIGNED}
    | {ref      IS [NOT] BOUND}
    | {dobj     IS [NOT] INITIAL}
    | {para     IS [NOT] REQUESTED}
    | {para     IS [NOT] SUPPLIED}
    | {[operand [NOT] IN] seltab} } ... .


Effect

Logical expression for formulating a condition for operands. A logical expression is a relational expression or multiple combined relational expressions, where ( ) can be used as parentheses. The result is a truth value.

Additions

  • O$|Z$|M
    Comparison expression with comparison operators for bit patterns
  • $[NOT$] BETWEEN
    Comparison expression used to check what belongs to an interval.
  • IS $[NOT$] INITIAL
    Predicate expression used to check whether the operand operand is initial.
  • IS $[NOT$] BOUND
    Predicate expression used to check whether a reference variable ref is valid
  • IS $[NOT$] INSTANCE OF class$|intf
    Predicate expression for a check to verify whether an object reference variable oref points to an object whose dynamic type is more specific or equal to the object type class or intf.
  • IS $[NOT$] ASSIGNED
    Predicate expression used to check whether a memory area is assigned to a field symbol <fs>.
  • IS $[NOT$] SUPPLIED
    Predicate expression used to check whether a formal parameter para of a procedure is filled or requested.
  • matches
    Predicate function used to match a string with a regular expression.
  • line_exists
    Predicate function used to check the existence of a line in an internal table.
  • NOT
    Boolean operator used to negate a logical expression.
  • AND
    Boolean operator used as an AND operation between two logical expressions.
  • OR
    Boolean operator used as an OR operation between two logical expressions.
  • EQUIV
    Boolean operator used as an equivalence operation between two logical expressions.





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