From 5e96c3f85e0ec5ab1b8a01ee867c245726d06daa Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Patrick=20L=C3=BChne?= Date: Mon, 3 Feb 2020 23:22:14 +0100 Subject: [PATCH] Remove parsing capabilities for now --- src/lib.rs | 2 - src/parse.rs | 1080 -------------------------------------------------- 2 files changed, 1082 deletions(-) delete mode 100644 src/parse.rs diff --git a/src/lib.rs b/src/lib.rs index db4cb95..b5f6020 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1,6 +1,4 @@ mod ast; pub mod format; -//mod parse; pub use ast::*; -//pub use parse::{formula, formulas, term}; diff --git a/src/parse.rs b/src/parse.rs deleted file mode 100644 index bcb0f64..0000000 --- a/src/parse.rs +++ /dev/null @@ -1,1080 +0,0 @@ -use nom:: -{ - IResult, - bytes::complete::{take_while, take_while_m_n, is_not}, - character::complete::{digit1, multispace0}, - sequence::{preceded, delimited, pair}, - combinator::{map, map_res}, - multi::{many0, separated_list}, - branch::alt, - bytes::complete::tag, -}; - -struct Declarations -{ - //function_declarations:, - //predicate_declarations:, - variable_declaration_stack: VariableDeclarationStack, -} - -enum TermOperator -{ - Add, - Subtract, - Multiply, -} - -fn infimum<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - delimited(multispace0, tag("#inf"), multispace0), - |_| crate::Term::SpecialInteger(crate::SpecialInteger::Infimum) - )(i) -} - -fn supremum<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - delimited(multispace0, tag("#sup"), multispace0), - |_| crate::Term::SpecialInteger(crate::SpecialInteger::Supremum) - )(i) -} - -fn integer<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - map_res - ( - delimited(multispace0, digit1, multispace0), - std::str::FromStr::from_str - ), - crate::Term::Integer - )(i) -} - -fn is_lowercase_alphanumeric(c: char) -> bool -{ - c.is_alphanumeric() && c.is_lowercase() -} - -fn symbolic_identifier<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, String> -{ - let (i, symbolic_identifier) = map - ( - pair - ( - take_while_m_n(1, 1, is_lowercase_alphanumeric), - take_while(char::is_alphanumeric) - ), - |(s0, s1)| format!("{}{}", s0, s1) - )(i)?; - - Ok((i, symbolic_identifier)) -} - -fn symbolic<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - delimited(multispace0, |i| symbolic_identifier(i, declarations), multispace0), - crate::Term::Symbolic - )(i) -} - -fn string<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - delimited - ( - multispace0, - delimited - ( - tag("\""), - is_not("\""), - tag("\""), - ), - multispace0 - ), - |s: &str| crate::Term::String(s.to_string()) - )(i) -} - -fn variable_identifier<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, String> -{ - map - ( - delimited - ( - multispace0, - preceded - ( - take_while_m_n(1, 1, |c| char::is_alphabetic(c) && char::is_uppercase(c)), - take_while(char::is_alphanumeric) - ), - multispace0 - ), - |s: &str| s.to_string() - )(i) -} - -fn variable_declaration<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::VariableDeclaration> -{ - map - ( - |i| variable_identifier(i, declarations), - |s| crate::VariableDeclaration{name: s}, - )(i) -} - -fn program_variable<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - |i| program_variable_identifier(i, declarations), - |s| - { - let declaration = declarations.variable_declaration_stack.get(s.as_ref()); - - crate::Term::Variable(crate::VariableDeclaration{name: s, domain: crate::Domain::Program}) - }, - )(i) -} - -fn integer_variable<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - map - ( - |i| integer_variable_identifier, - |s| crate::Term::Variable(crate::VariableDeclaration{name: s, domain: crate::Domain::Integer}), - )(i) -} - -fn variable<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - alt - (( - |i| program_variable(i, declarations), - |i| integer_variable(i, declarations), - ))(i) -} - -fn predicate_0_ary<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - delimited(multispace0, symbolic_identifier, multispace0), - |name| crate::Formula::Predicate( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: name, - arity: 0, - }, - arguments: vec![], - }) - )(i) -} - -fn predicate_n_ary<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - delimited(multispace0, symbolic_identifier, multispace0), - delimited - ( - multispace0, - delimited - ( - tag("("), - separated_list(tag(","), term), - tag(")") - ), - multispace0 - ) - ), - |(name, arguments)| crate::Formula::Predicate( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: name, - arity: arguments.len(), - }, - arguments: arguments, - }) - )(i) -} - -fn predicate<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - predicate_n_ary, - predicate_0_ary - ))(i) -} - -fn boolean<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - delimited - ( - multispace0, - alt - (( - map(tag("#true"), |_| true), - map(tag("#false"), |_| false) - )), - multispace0 - ), - |value| crate::Formula::Boolean(value) - )(i) -} - -fn less<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - term, - preceded(tag("<"), term) - ), - |(left, right)| crate::Formula::Less(left, right) - )(i) -} - -fn less_or_equal<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - term, - preceded(tag("<="), term) - ), - |(left, right)| crate::Formula::LessOrEqual(left, right) - )(i) -} - -fn greater<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - term, - preceded(tag(">"), term) - ), - |(left, right)| crate::Formula::Greater(left, right) - )(i) -} - -fn greater_or_equal<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - term, - preceded(tag(">="), term) - ), - |(left, right)| crate::Formula::GreaterOrEqual(left, right) - )(i) -} - -fn equal<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - term, - preceded(tag("="), term) - ), - |(left, right)| crate::Formula::Equal(left, right) - )(i) -} - -fn not_equal<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - pair - ( - term, - preceded(tag("!="), term) - ), - |(left, right)| crate::Formula::NotEqual(left, right) - )(i) -} - -fn comparison<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - less, - less_or_equal, - greater, - greater_or_equal, - equal, - not_equal - ))(i) -} - -fn term_parenthesized<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - delimited - ( - multispace0, - delimited - ( - tag("("), - term, - tag(")") - ), - multispace0 - )(i) -} - -fn fold_terms(initial: crate::Term, remainder: Vec<(TermOperator, crate::Term)>) -> crate::Term -{ - remainder.into_iter().fold(initial, - |accumulator, pair| - { - let (term_operator, term) = pair; - - match term_operator - { - TermOperator::Add => crate::Term::Add(Box::new(accumulator), Box::new(term)), - TermOperator::Subtract => crate::Term::Subtract(Box::new(accumulator), Box::new(term)), - TermOperator::Multiply => crate::Term::Multiply(Box::new(accumulator), Box::new(term)), - } - }) -} - -fn term_precedence_0<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - alt - (( - infimum, - supremum, - integer, - symbolic, - string, - variable, - term_parenthesized - ))(i) -} - -fn term_precedence_1<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - alt - (( - map - ( - delimited - ( - multispace0, - preceded(tag("-"), term_precedence_0), - multispace0 - ), - |term| crate::Term::Negative(Box::new(term)) - ), - term_precedence_0 - ))(i) -} - -fn term_precedence_2<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - let (i, initial) = term_precedence_1(i)?; - let (i, remainder) = - many0 - ( - |i| - { - let (i, term) = preceded(tag("*"), term_precedence_1)(i)?; - Ok((i, (TermOperator::Multiply, term))) - } - )(i)?; - - Ok((i, fold_terms(initial, remainder))) -} - -fn term_precedence_3<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - let (i, initial) = term_precedence_2(i)?; - let (i, remainder) = - many0 - ( - alt - (( - |i| - { - let (i, term) = preceded(tag("+"), term_precedence_2)(i)?; - Ok((i, (TermOperator::Add, term))) - }, - |i| - { - let (i, term) = preceded(tag("-"), term_precedence_2)(i)?; - Ok((i, (TermOperator::Subtract, term))) - } - )) - )(i)?; - - Ok((i, fold_terms(initial, remainder))) -} - -pub fn term<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Term> -{ - term_precedence_3(i) -} - -fn formula_parenthesized<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - delimited - ( - multispace0, - delimited - ( - tag("("), - formula, - tag(")") - ), - multispace0 - )(i) -} - -fn formula_precedence_0<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - comparison, - predicate, - boolean, - formula_parenthesized - ))(i) -} - -fn exists<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - delimited - ( - multispace0, - preceded - ( - tag("exists "), - pair - ( - separated_list - ( - tag(","), - variable_declaration - ), - formula_precedence_1 - ) - ), - multispace0 - ), - |(parameters, argument)| crate::Formula::Exists( - crate::Exists - { - parameters: parameters, - argument: Box::new(argument), - }) - )(i) -} - -fn for_all<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - map - ( - delimited - ( - multispace0, - preceded - ( - tag("forall "), - pair - ( - separated_list - ( - tag(","), - variable_declaration - ), - formula_precedence_1 - ) - ), - multispace0 - ), - |(parameters, argument)| crate::Formula::ForAll( - crate::ForAll - { - parameters: parameters, - argument: Box::new(argument), - }) - )(i) -} - -fn formula_precedence_1<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - exists, - for_all, - formula_precedence_0 - ))(i) -} - -fn formula_precedence_2<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - map - ( - delimited - ( - multispace0, - preceded(tag("not "), formula_precedence_1), - multispace0 - ), - |argument| crate::Formula::Not(Box::new(argument)) - ), - formula_precedence_1 - ))(i) -} - -fn formula_precedence_3<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - map_res - ( - separated_list(tag("and"), map(formula_precedence_2, |argument| Box::new(argument))), - |arguments| - match arguments.len() - { - // TODO: improve error handling - 0 | 1 => Err(nom::Err::Error("")), - _ => Ok(crate::Formula::And(arguments)), - } - ), - formula_precedence_2 - ))(i) -} - -fn formula_precedence_4<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - alt - (( - map_res - ( - separated_list(tag("or"), map(formula_precedence_3, |argument| Box::new(argument))), - |arguments| - match arguments.len() - { - // TODO: improve error handling - 0 | 1 => Err(nom::Err::Error("")), - _ => Ok(crate::Formula::Or(arguments)), - } - ), - formula_precedence_3 - ))(i) -} - -fn formula_precedence_5<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - let (i, left) = formula_precedence_4(i)?; - - match preceded(tag("->"), formula_precedence_4)(i) - { - Ok((i, right)) => Ok((i, crate::Formula::Implies(Box::new(left), Box::new(right)))), - Err(_) => Ok((i, left)), - } -} - -fn formula_precedence_6<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - let (i, left) = formula_precedence_5(i)?; - - match preceded(tag("<->"), formula_precedence_5)(i) - { - Ok((i, right)) => Ok((i, crate::Formula::Biconditional(Box::new(left), Box::new(right)))), - Err(_) => Ok((i, left)), - } -} - -pub fn formula<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, crate::Formula> -{ - formula_precedence_6(i) -} - -pub fn formulas<'a>(i: &'a str, declarations: &Declarations) -> IResult<&'a str, Vec> -{ - many0(formula)(i) -} - -#[cfg(test)] -mod tests -{ - #[test] - fn parse_integer() - { - assert_eq!(crate::term("12345"), Ok(("", crate::Term::Integer(12345)))); - } - - #[test] - fn parse_variable_declaration() - { - assert_eq!(crate::term(" X5 "), Ok(("", crate::Term::Variable(crate::VariableDeclaration{domain: crate::Domain::Program, name: "5".to_string()})))); - assert_eq!(crate::term(" NX3 "), Ok(("", crate::Term::Variable(crate::VariableDeclaration{domain: crate::Domain::Integer, name: "X3".to_string()})))); - } - - #[test] - fn parse_variable() - { - assert_eq!(crate::term("X5"), Ok(("", crate::Term::Variable(crate::VariableDeclaration{domain: crate::Domain::Program, name: "5".to_string()})))); - assert_eq!(crate::term("NX3"), Ok(("", crate::Term::Variable(crate::VariableDeclaration{domain: crate::Domain::Integer, name: "X3".to_string()})))); - } - - #[test] - fn parse_string() - { - assert_eq!(crate::term(" \"foobar\" "), Ok(("", crate::Term::String("foobar".to_string())))); - } - - #[test] - fn parse_boolean() - { - assert_eq!(crate::formula(" #true "), Ok(("", crate::Formula::Boolean(true)))); - assert_eq!(crate::formula(" #false "), Ok(("", crate::Formula::Boolean(false)))); - } - - #[test] - fn parse_term() - { - assert_eq!(crate::term(" 5 + 3"), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Integer(3)), - )))); - - assert_eq!(crate::term(" -5"), Ok(("", - crate::Term::Negative - ( - Box::new(crate::Term::Integer(5)) - ) - ))); - - assert_eq!(crate::term(" 5+3 * -(9+ 1) + 2 "), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Multiply - ( - Box::new(crate::Term::Integer(3)), - Box::new(crate::Term::Negative - ( - Box::new(crate::Term::Add - ( - Box::new(crate::Term::Integer(9)), - Box::new(crate::Term::Integer(1)), - )) - )), - )), - )), - Box::new(crate::Term::Integer(2)), - )))); - - assert_eq!(crate::term(" 5 + a "), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Symbolic("a".to_string())), - )))); - - assert_eq!(crate::term(" 5 + #sup "), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Supremum), - )))); - - assert_eq!(crate::term(" 5 + #inf "), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Infimum), - )))); - - assert_eq!(crate::term(" 5 + \" text \" "), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::String(" text ".to_string())), - )))); - - assert_eq!(crate::term(" 5 + X1 "), Ok(("", - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Variable(crate::VariableDeclaration{domain: crate::Domain::Program, name: "1".to_string()})), - )))); - } - - #[test] - fn parse_predicate() - { - assert_eq!(crate::formula(" p "), Ok(("", crate::Formula::Predicate(crate::Predicate{declaration: crate::PredicateDeclaration{name: "p".to_string(), arity: 0}, arguments: vec![]})))); - - assert_eq!(crate::formula(" p(5, 6, 7) "), Ok(("", - crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 3, - }, - arguments: - vec! - [ - crate::Term::Integer(5), - crate::Term::Integer(6), - crate::Term::Integer(7), - ], - } - )))); - - assert_eq!(crate::formula(" p(1, 3+4*5+6, \"test\") "), Ok(("", - crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 3, - }, - arguments: - vec! - [ - crate::Term::Integer(1), - crate::Term::Add - ( - Box::new(crate::Term::Add - ( - Box::new(crate::Term::Integer(3)), - Box::new(crate::Term::Multiply - ( - Box::new(crate::Term::Integer(4)), - Box::new(crate::Term::Integer(5)), - )), - )), - Box::new(crate::Term::Integer(6)), - ), - crate::Term::String("test".to_string()), - ], - } - )))); - } - - #[test] - fn parse_comparison() - { - assert_eq!(crate::formula("5 + 9 < #sup"), Ok(("", - crate::Formula::Less - ( - crate::Term::Add - ( - Box::new(crate::Term::Integer(5)), - Box::new(crate::Term::Integer(9)), - ), - crate::Term::Supremum, - )))); - - assert_eq!(crate::formula("#inf != 6 * 9"), Ok(("", - crate::Formula::NotEqual - ( - crate::Term::Infimum, - crate::Term::Multiply - ( - Box::new(crate::Term::Integer(6)), - Box::new(crate::Term::Integer(9)), - ), - )))); - - assert_eq!(crate::formula("n = 5"), Ok(("", - crate::Formula::Equal - ( - crate::Term::Symbolic("n".to_string()), - crate::Term::Integer(5), - )))); - } - - #[test] - fn formula() - { - assert_eq!(crate::formula("p(1, a) or q(2)"), Ok(("", - crate::Formula::Or - ( - vec! - [ - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 2, - }, - arguments: - vec! - [ - crate::Term::Integer(1), - crate::Term::Symbolic("a".to_string()), - ], - } - )), - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "q".to_string(), - arity: 1, - }, - arguments: - vec! - [ - crate::Term::Integer(2), - ], - } - )), - ] - )))); - - assert_eq!(crate::formula("#inf < 5 and p(1, a) or q(2)"), Ok(("", - crate::Formula::Or - ( - vec! - [ - Box::new(crate::Formula::And - ( - vec! - [ - Box::new(crate::Formula::Less - ( - crate::Term::Infimum, - crate::Term::Integer(5), - )), - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 2, - }, - arguments: - vec! - [ - crate::Term::Integer(1), - crate::Term::Symbolic("a".to_string()), - ], - } - )), - ] - )), - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "q".to_string(), - arity: 1, - }, - arguments: - vec! - [ - crate::Term::Integer(2), - ], - } - )), - ] - )))); - - assert_eq!(crate::formula("#inf < 5 and p(1, a) or q(2) -> #false"), Ok(("", - crate::Formula::Implies - ( - Box::new(crate::Formula::Or - ( - vec! - [ - Box::new(crate::Formula::And - ( - vec! - [ - Box::new(crate::Formula::Less - ( - crate::Term::Infimum, - crate::Term::Integer(5), - )), - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 2, - }, - arguments: - vec! - [ - crate::Term::Integer(1), - crate::Term::Symbolic("a".to_string()), - ], - } - )), - ] - )), - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "q".to_string(), - arity: 1, - }, - arguments: - vec! - [ - crate::Term::Integer(2), - ], - } - )), - ] - )), - Box::new(crate::Formula::Boolean(false)), - )))); - - assert_eq!(crate::formula(" not #true"), Ok(("", - crate::Formula::Not(Box::new(crate::Formula::Boolean(true)))))); - - assert_eq!(crate::formula("exists X forall N1 p(1, 2) and #false"), Ok(("", - crate::Formula::And - ( - vec! - [ - Box::new(crate::Formula::Exists - ( - crate::Exists - { - parameters: vec![crate::VariableDeclaration{name: "".to_string(), domain: crate::Domain::Program}], - argument: - Box::new(crate::Formula::ForAll - ( - crate::ForAll - { - parameters: vec![crate::VariableDeclaration{name: "1".to_string(), domain: crate::Domain::Integer}], - argument: - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 2, - }, - arguments: - vec! - [ - crate::Term::Integer(1), - crate::Term::Integer(2), - ], - } - )), - } - )), - } - )), - Box::new(crate::Formula::Boolean(false)), - ] - )))); - - assert_eq!(crate::formula("exists X forall N1 (p(1, 2) and #false)"), Ok(("", - crate::Formula::Exists - ( - crate::Exists - { - parameters: vec![crate::VariableDeclaration{name: "".to_string(), domain: crate::Domain::Program}], - argument: - Box::new(crate::Formula::ForAll - ( - crate::ForAll - { - parameters: vec![crate::VariableDeclaration{name: "1".to_string(), domain: crate::Domain::Integer}], - argument: - Box::new(crate::Formula::And - ( - vec! - [ - Box::new(crate::Formula::Predicate - ( - crate::Predicate - { - declaration: - crate::PredicateDeclaration - { - name: "p".to_string(), - arity: 2, - }, - arguments: - vec! - [ - crate::Term::Integer(1), - crate::Term::Integer(2), - ], - } - )), - Box::new(crate::Formula::Boolean(false)), - ] - )), - } - )), - } - )))); - } -}