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Diffstat (limited to 'src/psl/psl-subsets.ads')
| -rw-r--r-- | src/psl/psl-subsets.ads | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/psl/psl-subsets.ads b/src/psl/psl-subsets.ads new file mode 100644 index 000000000..c3bae09ef --- /dev/null +++ b/src/psl/psl-subsets.ads @@ -0,0 +1,23 @@ +with PSL.Nodes; use PSL.Nodes; + +package PSL.Subsets is + -- Check that N (a property) follows the simple subset rules from + -- PSL v1.1 4.4.4 Simple subset. + -- Ie: + -- - The operand of a negation operator is a Boolean. + -- - The operand of a 'never' operator is a Boolean or a Sequence. + -- - The operand of an 'eventually!' operator is a Boolean or a Sequence. + -- - The left-hand side operand of a logical 'and' operator is a Boolean. + -- - The left-hand side operand of a logical 'or' operator is a Boolean. + -- - The left-hand side operand of a logical implication '->' operator + -- is a Boolean. + -- - Both operands of a logical iff '<->' operator are Boolean. + -- - The right-hand side operand of a non-overlapping 'until*' operator is + -- a Boolean. + -- - Both operands of an overlapping 'until*' operator are Boolean. + -- - Both operands of a 'before*' operator are Boolean. + -- + -- All other operators not mentioned above are supported in the simple + -- subset without restriction. + procedure Check_Simple (N : Node); +end PSL.Subsets; |