patrick/ask-dracula-rs
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Support integer constant declarations

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This commit is contained in:
Patrick Lühne 2019-11-07 03:14:44 -06:00
parent 5c504bef5b
commit aec76f39cf
Signed by: patrick
GPG Key ID: 05F3611E97A70ABF
4 changed files with 108 additions and 41 deletions
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2
foliage

@ -1 +1 @@
Subproject commit 7af51e9e64947a16f7f9c5c7923b77a8862139b5
Subproject commit 9202c839e2654e92a7535019924918203e89862c

97
src/format_tptp.rs
View File

@ -66,24 +66,40 @@ pub fn is_formula_statement_ignored(formula_statement: &crate::project::FormulaS
false
}
fn is_arithmetic_term(term: &foliage::Term) -> bool
fn is_integer_input_constant(constant_name: &str,
input_constants: &std::collections::HashSet<crate::project::InputConstantDeclaration>) -> bool
{
let input_constant = crate::project::InputConstantDeclaration
{
// TODO: avoid unnecessary allocation
name: constant_name.to_owned(),
domain: foliage::Domain::Integer,
};
input_constants.contains(&input_constant)
}
fn is_arithmetic_term(term: &foliage::Term, input_constants: &std::collections::HashSet<crate::project::InputConstantDeclaration>) -> bool
{
match term
{
foliage::Term::Infimum => false,
foliage::Term::Supremum => false,
foliage::Term::Integer(_) => true,
foliage::Term::Symbolic(_) => false,
foliage::Term::Symbolic(ref name) =>
{
is_integer_input_constant(name, input_constants)
},
foliage::Term::String(_) => false,
foliage::Term::Variable(ref declaration) => match declaration.domain
{
foliage::Domain::Program => false,
foliage::Domain::Integer => true,
},
foliage::Term::Add(ref left, ref right) => is_arithmetic_term(left) && is_arithmetic_term(right),
foliage::Term::Subtract(ref left, ref right) => is_arithmetic_term(left) && is_arithmetic_term(right),
foliage::Term::Multiply(ref left, ref right) => is_arithmetic_term(left) && is_arithmetic_term(right),
foliage::Term::Negative(ref argument) => is_arithmetic_term(argument),
foliage::Term::Add(ref left, ref right) => is_arithmetic_term(left, input_constants) && is_arithmetic_term(right, input_constants),
foliage::Term::Subtract(ref left, ref right) => is_arithmetic_term(left, input_constants) && is_arithmetic_term(right, input_constants),
foliage::Term::Multiply(ref left, ref right) => is_arithmetic_term(left, input_constants) && is_arithmetic_term(right, input_constants),
foliage::Term::Negative(ref argument) => is_arithmetic_term(argument, input_constants),
}
}
@ -284,11 +300,16 @@ fn collect_symbolic_constants_in_project<'a>(project: &'a crate::Project)
struct VariableDeclarationDisplay<'a>(&'a foliage::VariableDeclaration);
struct PredicateDeclarationDisplay<'a>(&'a foliage::PredicateDeclaration);
struct TermDisplay<'a>(&'a foliage::Term);
struct FormulaDisplay<'a>(&'a foliage::Formula);
struct FormulaStatementDisplay<'a>
struct FormulaDisplay<'a, 'project>
{
formula: &'a foliage::Formula,
input_constants: &'project std::collections::HashSet<crate::project::InputConstantDeclaration>,
}
struct FormulaStatementDisplay<'a, 'project>
{
formula_statement: &'a crate::project::FormulaStatement,
proof_direction: crate::project::ProofDirection,
input_constants: &'project std::collections::HashSet<crate::project::InputConstantDeclaration>,
}
pub struct ProjectDisplay<'a>
{
@ -321,22 +342,26 @@ impl<'a> DisplayTPTP<'a, TermDisplay<'a>> for foliage::Term
}
}
impl<'a> DisplayTPTP<'a, FormulaDisplay<'a>> for foliage::Formula
fn display_formula_tptp<'a, 'project>(formula: &'a foliage::Formula,
input_constants: &'project std::collections::HashSet<crate::project::InputConstantDeclaration>)
-> FormulaDisplay<'a, 'project>
{
fn display_tptp(&'a self) -> FormulaDisplay<'a>
FormulaDisplay
{
FormulaDisplay(self)
formula,
input_constants,
}
}
fn display_formula_statement_tptp<'a>(formula_statement: &'a crate::project::FormulaStatement,
proof_direction: crate::project::ProofDirection)
-> FormulaStatementDisplay<'a>
fn display_formula_statement_tptp<'a, 'project>(formula_statement: &'a crate::project::FormulaStatement,
proof_direction: crate::project::ProofDirection, input_constants: &'project std::collections::HashSet<crate::project::InputConstantDeclaration>,)
-> FormulaStatementDisplay<'a, 'project>
{
FormulaStatementDisplay
{
formula_statement,
proof_direction,
input_constants,
}
}
@ -430,7 +455,7 @@ impl<'a> std::fmt::Display for TermDisplay<'a>
}
}
impl<'a> std::fmt::Debug for FormulaDisplay<'a>
impl<'a, 'project> std::fmt::Debug for FormulaDisplay<'a, 'project>
{
fn fmt(&self, format: &mut std::fmt::Formatter) -> std::fmt::Result
{
@ -448,8 +473,8 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
let mut notation = notation;
let mut operator_identifier = operator_identifier;
let left_is_arithmetic_term = is_arithmetic_term(left);
let right_is_arithmetic_term = is_arithmetic_term(right);
let left_is_arithmetic_term = is_arithmetic_term(left, self.input_constants);
let right_is_arithmetic_term = is_arithmetic_term(right, self.input_constants);
if let Some(operator_identifier_fallback) = operator_identifier_fallback
{
@ -497,7 +522,7 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
write!(format, ")")
};
match self.0
match self.formula
{
foliage::Formula::Exists(ref exists) =>
{
@ -512,7 +537,7 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
separator = ", "
}
write!(format, "]: ({:?})", exists.argument.display_tptp())
write!(format, "]: ({:?})", display_formula_tptp(&exists.argument, self.input_constants))
},
foliage::Formula::ForAll(ref for_all) =>
{
@ -527,9 +552,9 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
separator = ", "
}
write!(format, "]: ({:?})", for_all.argument.display_tptp())
write!(format, "]: ({:?})", display_formula_tptp(&for_all.argument, self.input_constants))
},
foliage::Formula::Not(ref argument) => write!(format, "~({:?})", argument.display_tptp()),
foliage::Formula::Not(ref argument) => write!(format, "~({:?})", display_formula_tptp(argument, self.input_constants)),
foliage::Formula::And(ref arguments) =>
{
write!(format, "(")?;
@ -538,7 +563,7 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
for argument in arguments
{
write!(format, "{}{:?}", separator, argument.display_tptp())?;
write!(format, "{}{:?}", separator, display_formula_tptp(argument, self.input_constants))?;
separator = " & "
}
@ -553,7 +578,7 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
for argument in arguments
{
write!(format, "{}{:?}", separator, argument.display_tptp())?;
write!(format, "{}{:?}", separator, display_formula_tptp(argument, self.input_constants))?;
separator = " | "
}
@ -562,10 +587,10 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
},
foliage::Formula::Implies(ref left, ref right, implication_direction) => match implication_direction
{
foliage::ImplicationDirection::LeftToRight => write!(format, "({:?} => {:?})", left.display_tptp(), right.display_tptp()),
foliage::ImplicationDirection::RightToLeft => write!(format, "({:?} <= {:?})", left.display_tptp(), right.display_tptp()),
foliage::ImplicationDirection::LeftToRight => write!(format, "({:?} => {:?})", display_formula_tptp(left, self.input_constants), display_formula_tptp(right, self.input_constants)),
foliage::ImplicationDirection::RightToLeft => write!(format, "({:?} <= {:?})", display_formula_tptp(left, self.input_constants), display_formula_tptp(right, self.input_constants)),
},
foliage::Formula::Biconditional(ref left, ref right) => write!(format, "({:?} <=> {:?})", left.display_tptp(), right.display_tptp()),
foliage::Formula::Biconditional(ref left, ref right) => write!(format, "({:?} <=> {:?})", display_formula_tptp(left, self.input_constants), display_formula_tptp(right, self.input_constants)),
foliage::Formula::Less(ref left, ref right) => display_comparison(Notation::Prefix, "$less", Some("p__less__"), left, right),
foliage::Formula::LessOrEqual(ref left, ref right) => display_comparison(Notation::Prefix, "$lesseq", Some("p__less_equal__"), left, right),
foliage::Formula::Greater(ref left, ref right) => display_comparison(Notation::Prefix, "$greater", Some("p__greater__"), left, right),
@ -590,7 +615,7 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
for argument in &predicate.arguments
{
let argument_is_arithmetic_term = is_arithmetic_term(argument);
let argument_is_arithmetic_term = is_arithmetic_term(argument, self.input_constants);
write!(format, "{}", separator)?;
@ -618,7 +643,7 @@ impl<'a> std::fmt::Debug for FormulaDisplay<'a>
}
}
impl<'a> std::fmt::Display for FormulaDisplay<'a>
impl<'a, 'project> std::fmt::Display for FormulaDisplay<'a, 'project>
{
fn fmt(&self, format: &mut std::fmt::Formatter) -> std::fmt::Result
{
@ -626,7 +651,7 @@ impl<'a> std::fmt::Display for FormulaDisplay<'a>
}
}
impl<'a> std::fmt::Debug for FormulaStatementDisplay<'a>
impl<'a, 'project> std::fmt::Debug for FormulaStatementDisplay<'a, 'project>
{
fn fmt(&self, format: &mut std::fmt::Formatter) -> std::fmt::Result
{
@ -657,11 +682,11 @@ impl<'a> std::fmt::Debug for FormulaStatementDisplay<'a>
panic!("expected formula statement to be either theorem, lemma, or axiom, please report to bug tracker");
}
write!(format, ", {:?}).", self.formula_statement.formula.display_tptp())
write!(format, ", {:?}).", display_formula_tptp(&self.formula_statement.formula, self.input_constants))
}
}
impl<'a> std::fmt::Display for FormulaStatementDisplay<'a>
impl<'a, 'project> std::fmt::Display for FormulaStatementDisplay<'a, 'project>
{
fn fmt(&self, format: &mut std::fmt::Formatter) -> std::fmt::Result
{
@ -704,7 +729,11 @@ impl<'a> std::fmt::Debug for ProjectDisplay<'a>
for symbolic_constant in symbolic_constants
{
write!(format, "\ntff(type, type, {}: object).", symbolic_constant)?;
match is_integer_input_constant(symbolic_constant, &self.project.input_constants)
{
true => write!(format, "\ntff(type, type, {}: $int).", symbolic_constant)?,
false => write!(format, "\ntff(type, type, {}: object).", symbolic_constant)?,
}
}
}
@ -732,12 +761,12 @@ impl<'a> std::fmt::Debug for ProjectDisplay<'a>
for axiom in axioms
{
write!(format, "\n{}", display_formula_statement_tptp(&axiom, self.proof_direction))?;
write!(format, "\n{}", display_formula_statement_tptp(&axiom, self.proof_direction, &self.project.input_constants))?;
}
write_title(format, "\n\n", "assertion")?;
write!(format, "\n{}", display_formula_statement_tptp(&self.conjecture, self.proof_direction))
write!(format, "\n{}", display_formula_statement_tptp(&self.conjecture, self.proof_direction, &self.project.input_constants))
}
}

37
src/parse.rs
View File

@ -2,7 +2,7 @@ use nom::
{
IResult,
sequence::{delimited, pair, preceded, terminated, tuple},
combinator::{map, recognize},
combinator::{map, recognize, opt},
character::complete::digit1,
branch::alt,
bytes::complete::tag,
@ -162,10 +162,41 @@ fn input_statement(i: &str) -> IResult<&str, Vec<crate::project::InputSymbol>>
})
),
map
(
pair
(
foliage::parse::symbolic_identifier,
|name|
crate::project::InputSymbol::Constant(name.to_string())
opt
(
preceded
(
delimited
(
whitespace0,
tag("->"),
whitespace0,
),
tag("integer"),
),
),
),
|(name, domain)|
match domain
{
None => crate::project::InputSymbol::Constant(
crate::project::InputConstantDeclaration
{
name: name.to_string(),
domain: foliage::Domain::Program,
}),
Some("integer") => crate::project::InputSymbol::Constant(
crate::project::InputConstantDeclaration
{
name: name.to_string(),
domain: foliage::Domain::Integer,
}),
Some(ref unknown_sort) => panic!("unrecognized sort “{}”", unknown_sort),
}
),
)),
whitespace0,

11
src/project.rs
View File

@ -35,9 +35,16 @@ pub struct InputStatement
pub original_text: String,
}
#[derive(Eq, Hash, PartialEq)]
pub struct InputConstantDeclaration
{
pub name: String,
pub domain: foliage::Domain,
}
pub enum InputSymbol
{
Constant(String),
Constant(InputConstantDeclaration),
Predicate(foliage::PredicateDeclaration),
}
@ -51,6 +58,6 @@ pub enum Block
pub struct Project
{
pub blocks: Vec<Block>,
pub input_constants: std::collections::HashSet<String>,
pub input_constants: std::collections::HashSet<InputConstantDeclaration>,
pub input_predicates: std::collections::HashSet<foliage::PredicateDeclaration>,
}