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implicit arrays and multiple definitions
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parent
d0c88a08be
commit
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@ -1,3 +1,10 @@
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function main() {
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let a: u32 = if true ? 1 : 5;
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function test(mut a: u32) {
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a = 0;
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}
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function main() -> u32 {
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let a = 1;
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test(a);
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return a // <- returns 1
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}
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@ -142,6 +142,9 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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(ConstrainedValue::FieldElement(fe_1), ConstrainedValue::FieldElement(fe_2)) => {
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Ok(self.enforce_field_mul(cs, fe_1, fe_2)?)
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}
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// (ConstrainedValue::GroupElement(group), ConstrainedValue::FieldElement(scalar)) => {
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// Ok(Self::evaluate_group_mul(group, scalar))
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// }
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(ConstrainedValue::Mutable(val_1), val_2) => {
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self.enforce_mul_expression(cs, *val_1, val_2)
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}
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@ -439,9 +442,20 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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cs: &mut CS,
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file_scope: String,
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function_scope: String,
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expected_types: Vec<Type<F, G>>,
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mut expected_types: Vec<Type<F, G>>,
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array: Vec<Box<SpreadOrExpression<F, G>>>,
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) -> Result<ConstrainedValue<F, G>, ExpressionError> {
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// Check explicit array type dimension if given
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let expected_dimensions = vec![];
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if !expected_types.is_empty() {
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match expected_types[0] {
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Type::Array(ref _type, ref dimensions) => {
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expected_types = vec![expected_types[0].inner_dimension(dimensions)];
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}
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ref _type => return Err(ExpressionError::IncompatibleTypes(_type.to_string())),
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}
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}
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let mut result = vec![];
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for element in array.into_iter() {
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match *element {
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@ -471,6 +485,17 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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}
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}
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}
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// Check expected_dimensions if given
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if !expected_dimensions.is_empty() {
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if expected_dimensions[expected_dimensions.len() - 1] != result.len() {
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return Err(ExpressionError::InvalidLength(
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expected_dimensions[expected_dimensions.len() - 1],
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result.len(),
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));
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}
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}
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Ok(ConstrainedValue::Array(result))
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}
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@ -484,6 +509,7 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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) -> Result<usize, ExpressionError> {
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match self.enforce_expression(cs, file_scope, function_scope, expected_types, index)? {
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ConstrainedValue::Integer(number) => Ok(number.to_usize()),
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ConstrainedValue::Unresolved(string) => Ok(string.parse::<usize>()?),
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value => Err(ExpressionError::InvalidIndex(value.to_string())),
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}
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}
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@ -127,7 +127,7 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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// Allocate each value in the current row
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for (i, value) in arr.into_iter().enumerate() {
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let value_name = new_scope(name.clone(), i.to_string());
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let value_type = array_type.next_dimension(&array_dimensions);
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let value_type = array_type.outer_dimension(&array_dimensions);
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array_value.push(self.allocate_main_function_input(
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cs,
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@ -142,7 +142,7 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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// Allocate all row values as none
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for i in 0..expected_length {
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let value_name = new_scope(name.clone(), i.to_string());
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let value_type = array_type.next_dimension(&array_dimensions);
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let value_type = array_type.outer_dimension(&array_dimensions);
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array_value.push(
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self.allocate_main_function_input(
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@ -17,4 +17,8 @@ impl<F: Field + PrimeField, G: Group, CS: ConstraintSystem<F>> ConstrainedProgra
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pub fn evaluate_group_sub(group_element_1: G, group_element_2: G) -> ConstrainedValue<F, G> {
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ConstrainedValue::GroupElement(group_element_1.sub(&group_element_2))
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}
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//
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// pub fn evaluate_group_mul(group_element: G, scalar_field: G::ScalarField) -> ConstrainedValue<F, G> {
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// ConstrainedValue::GroupElement(group_element.mul(&scalar_field))
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// }
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}
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@ -51,27 +51,30 @@ impl<F: Field + PrimeField, G: Group> ConstrainedValue<F, G> {
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}
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pub(crate) fn from_type(value: String, _type: &Type<F, G>) -> Result<Self, ValueError> {
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Ok(match _type {
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Type::IntegerType(integer_type) => ConstrainedValue::Integer(match integer_type {
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match _type {
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Type::IntegerType(integer_type) => Ok(ConstrainedValue::Integer(match integer_type {
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IntegerType::U8 => Integer::U8(UInt8::constant(value.parse::<u8>()?)),
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IntegerType::U16 => Integer::U16(UInt16::constant(value.parse::<u16>()?)),
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IntegerType::U32 => Integer::U32(UInt32::constant(value.parse::<u32>()?)),
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IntegerType::U64 => Integer::U64(UInt64::constant(value.parse::<u64>()?)),
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IntegerType::U128 => Integer::U128(UInt128::constant(value.parse::<u128>()?)),
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}),
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Type::FieldElement => ConstrainedValue::FieldElement(FieldElement::Constant(
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})),
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Type::FieldElement => Ok(ConstrainedValue::FieldElement(FieldElement::Constant(
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F::from_str(&value).unwrap_or_default(),
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)),
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Type::GroupElement => ConstrainedValue::GroupElement({
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))),
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Type::GroupElement => Ok(ConstrainedValue::GroupElement({
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use std::str::FromStr;
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let scalar = G::ScalarField::from_str(&value).unwrap_or_default();
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let point = G::default().mul(&scalar);
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point
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}),
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Type::Boolean => ConstrainedValue::Boolean(Boolean::Constant(value.parse::<bool>()?)),
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_ => ConstrainedValue::Unresolved(value),
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})
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})),
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Type::Boolean => Ok(ConstrainedValue::Boolean(Boolean::Constant(
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value.parse::<bool>()?,
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))),
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Type::Array(ref _type, _dimensions) => ConstrainedValue::from_type(value, _type),
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_ => Ok(ConstrainedValue::Unresolved(value)),
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}
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}
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pub(crate) fn to_type(&self) -> Type<F, G> {
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@ -1,6 +1,7 @@
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use crate::errors::{BooleanError, FieldElementError, FunctionError, IntegerError, ValueError};
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use snarkos_errors::gadgets::SynthesisError;
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use std::num::ParseIntError;
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#[derive(Debug, Error)]
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pub enum ExpressionError {
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@ -21,6 +22,9 @@ pub enum ExpressionError {
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#[error("{}", _0)]
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IntegerError(IntegerError),
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#[error("{}", _0)]
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ParseIntError(ParseIntError),
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#[error("{}", _0)]
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FieldElementError(FieldElementError),
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@ -46,6 +50,9 @@ pub enum ExpressionError {
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#[error("Index must resolve to an integer, got {}", _0)]
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InvalidIndex(String),
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#[error("Expected array length {}, got {}", _0, _1)]
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InvalidLength(usize, usize),
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// Circuits
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#[error(
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"Circuit {} must be declared before it is used in an inline expression",
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@ -110,6 +117,12 @@ impl From<IntegerError> for ExpressionError {
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}
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}
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impl From<ParseIntError> for ExpressionError {
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fn from(error: ParseIntError) -> Self {
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ExpressionError::ParseIntError(error)
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}
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}
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impl From<FieldElementError> for ExpressionError {
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fn from(error: FieldElementError) -> Self {
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ExpressionError::FieldElementError(error)
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@ -156,7 +156,7 @@ pub enum Type<F: Field + PrimeField, G: Group> {
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}
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impl<F: Field + PrimeField, G: Group> Type<F, G> {
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pub fn next_dimension(&self, dimensions: &Vec<usize>) -> Self {
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pub fn outer_dimension(&self, dimensions: &Vec<usize>) -> Self {
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let _type = self.clone();
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if dimensions.len() > 1 {
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@ -168,6 +168,19 @@ impl<F: Field + PrimeField, G: Group> Type<F, G> {
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_type
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}
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pub fn inner_dimension(&self, dimensions: &Vec<usize>) -> Self {
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let _type = self.clone();
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if dimensions.len() > 1 {
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let mut next = vec![];
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next.extend_from_slice(&dimensions[..dimensions.len() - 1]);
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return Type::Array(Box::new(_type), next);
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}
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_type
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}
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}
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#[derive(Clone, PartialEq, Eq)]
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)),
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}
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}
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pub(crate) fn from_implicit(number: String) -> Self {
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types::Integer::U128(UInt128::constant(
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number.parse::<u128>().expect("unable to parse u128"),
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))
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}
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}
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impl<'ast, F: Field + PrimeField, G: Group> From<ast::Integer<'ast>> for types::Expression<F, G> {
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@ -79,6 +85,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::RangeOrExpression<'ast>>
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.from
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.map(|from| match types::Expression::<F, G>::from(from.0) {
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types::Expression::Integer(number) => number,
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types::Expression::Implicit(string) => {
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types::Integer::from_implicit(string)
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}
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expression => {
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unimplemented!("Range bounds should be integers, found {}", expression)
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}
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@ -87,6 +96,9 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::RangeOrExpression<'ast>>
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.to
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.map(|to| match types::Expression::<F, G>::from(to.0) {
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types::Expression::Integer(number) => number,
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types::Expression::Implicit(string) => {
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types::Integer::from_implicit(string)
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}
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expression => {
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unimplemented!("Range bounds should be integers, found {}", expression)
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}
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@ -375,7 +387,12 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::Expression<'ast>>
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impl<'ast, F: Field + PrimeField, G: Group> types::Expression<F, G> {
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fn get_count(count: ast::Value<'ast>) -> usize {
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match count {
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ast::Value::Integer(f) => f
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ast::Value::Integer(integer) => integer
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.number
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.value
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.parse::<usize>()
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.expect("Unable to read array size"),
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ast::Value::Implicit(number) => number
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.number
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.value
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.parse::<usize>()
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@ -590,10 +607,12 @@ impl<'ast, F: Field + PrimeField, G: Group> From<ast::ForStatement<'ast>>
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fn from(statement: ast::ForStatement<'ast>) -> Self {
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let from = match types::Expression::<F, G>::from(statement.start) {
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types::Expression::Integer(number) => number,
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types::Expression::Implicit(string) => types::Integer::from_implicit(string),
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expression => unimplemented!("Range bounds should be integers, found {}", expression),
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};
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let to = match types::Expression::<F, G>::from(statement.stop) {
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types::Expression::Integer(number) => number,
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types::Expression::Implicit(string) => types::Integer::from_implicit(string),
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expression => unimplemented!("Range bounds should be integers, found {}", expression),
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};
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