basic use case works, need to clean up, and test more advanced use cases

asg/src/node.rs

@@ -14,7 +14,18 @@
 // You should have received a copy of the GNU General Public License
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::{AsgConvertError, Circuit, Expression, Function, PartialType, Scope, Span, Statement, Variable};
+use crate::{
+    AsgConvertError,
+    Circuit,
+    Expression,
+    Function,
+    GlobalConst,
+    PartialType,
+    Scope,
+    Span,
+    Statement,
+    Variable,
+};
 
 /// A node in the abstract semantic graph.
 pub trait Node {
@@ -38,4 +49,5 @@ pub enum ArenaNode<'a> {
     Variable(Variable<'a>),
     Circuit(Circuit<'a>),
     Function(Function<'a>),
+    GlobalConst(GlobalConst<'a>),
 }

asg/src/program/global_const.rs

@@ -14,24 +14,94 @@
 // You should have received a copy of the GNU General Public License
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::{AsgConvertError, ExpressionStatement, Identifier, Node, Scope, Span, Type};
+use crate::{
+    AsgConvertError,
+    Expression,
+    ExpressionNode,
+    FromAst,
+    InnerVariable,
+    Node,
+    Scope,
+    Span,
+    Statement,
+    Variable,
+};
 
-use uuid::Uuid;
+use std::cell::{Cell, RefCell};
 
 #[derive(Clone)]
-pub struct Define<'a> {
+pub struct GlobalConst<'a> {
-    pub id: Uuid,
+    pub parent: Cell<Option<&'a Statement<'a>>>,
-    pub name: Identifier,
+    pub span: Option<Span>,
-    pub expression: ExpressionStatement<'a>,
+    pub variable: &'a Variable<'a>,
+    pub value: Cell<&'a Expression<'a>>,
 }
 
-impl<'a> PartialEq for Define<'a> {
+impl<'a> Node for GlobalConst<'a> {
-    fn eq(&self, other: &Define) -> bool {
+    fn span(&self) -> Option<&Span> {
-        if self.name != other.name {
+        self.span.as_ref()
-            return false;
-        }
-        self.id == other.id
     }
 }
 
-impl<'a> Eq for Define<'a> {}
+impl<'a> GlobalConst<'a> {
+    pub(super) fn init(
+        scope: &'a Scope<'a>,
+        global_const: &leo_ast::GlobalConst,
+    ) -> Result<&'a GlobalConst<'a>, AsgConvertError> {
+        let type_ = global_const
+            .type_
+            .as_ref()
+            .map(|x| scope.resolve_ast_type(&x))
+            .transpose()?;
+
+        let value = <&Expression<'a>>::from_ast(scope, &global_const.value, type_.clone().map(Into::into))?;
+
+        let type_ = type_.or_else(|| value.get_type());
+
+        let variable = scope.alloc_variable(RefCell::new(InnerVariable {
+            id: uuid::Uuid::new_v4(),
+            name: global_const.variable_name.identifier.clone(),
+            type_: type_.ok_or_else(|| {
+                AsgConvertError::unresolved_type(&global_const.variable_name.identifier.name, &global_const.span)
+            })?,
+            mutable: global_const.variable_name.mutable,
+            const_: false,
+            declaration: crate::VariableDeclaration::Definition,
+            references: vec![],
+            assignments: vec![],
+        }));
+
+        //TODO add scope onto this for reference other global consts?
+        let global_const = scope.alloc_global_const(GlobalConst {
+            parent: Cell::new(None),
+            span: Some(global_const.span.clone()),
+            variable,
+            value: Cell::new(value),
+        });
+
+        Ok(global_const)
+    }
+}
+
+impl<'a> Into<leo_ast::GlobalConst> for &GlobalConst<'a> {
+    fn into(self) -> leo_ast::GlobalConst {
+        let mut type_ = None::<leo_ast::Type>;
+        let variable = self.variable.borrow();
+        let variable_name = leo_ast::VariableName {
+            mutable: variable.mutable,
+            identifier: variable.name.clone(),
+            span: variable.name.span.clone(),
+        };
+        if type_.is_none() {
+            type_ = Some((&variable.type_.clone()).into());
+        }
+
+        leo_ast::GlobalConst {
+            declaration_type: leo_ast::Declare::Let,
+            variable_name,
+            type_,
+            value: self.value.get().into(),
+            span: self.span.clone().unwrap_or_default(),
+        }
+    }
+}

asg/src/program/mod.rs

@@ -55,11 +55,13 @@ pub struct InternalProgram<'a> {
     /// Maps function name => function code block.
     pub functions: IndexMap<String, &'a Function<'a>>,
 
+    /// Maps global constant name => global const code block.
+    pub global_consts: IndexMap<String, &'a GlobalConst<'a>>,
+
     /// Maps circuit name => circuit code block.
     pub circuits: IndexMap<String, &'a Circuit<'a>>,
 
     // pub global_consts: IndexMap<String, (Identifier, &'a ExpressionStatement<'a>)>,
-
     /// Bindings for names and additional program context.
     pub scope: &'a Scope<'a>,
 }
@@ -179,6 +181,8 @@ impl<'a> InternalProgram<'a> {
 
         let mut imported_functions: IndexMap<String, &'a Function<'a>> = IndexMap::new();
         let mut imported_circuits: IndexMap<String, &'a Circuit<'a>> = IndexMap::new();
+        //TODO
+        let imported_global_consts: IndexMap<String, &'a GlobalConst<'a>> = IndexMap::new();
 
         // Prepare locally relevant scope of imports.
         for (package, symbol, span) in imported_symbols.into_iter() {
@@ -226,9 +230,9 @@ impl<'a> InternalProgram<'a> {
             circuit_self: Cell::new(None),
             variables: RefCell::new(IndexMap::new()),
             functions: RefCell::new(imported_functions),
+            global_consts: RefCell::new(imported_global_consts),
             circuits: RefCell::new(imported_circuits),
             function: Cell::new(None),
-            // global_consts: RefCell::new(Vec::new()),
             input: Cell::new(None),
         })) {
             ArenaNode::Scope(c) => c,
@@ -243,7 +247,7 @@ impl<'a> InternalProgram<'a> {
             circuit_self: Cell::new(None),
             variables: RefCell::new(IndexMap::new()),
             functions: RefCell::new(IndexMap::new()),
-            // global_consts: RefCell(vec![]),
+            global_consts: RefCell::new(IndexMap::new()),
             circuits: RefCell::new(IndexMap::new()),
             function: Cell::new(None),
         });
@@ -271,6 +275,23 @@ impl<'a> InternalProgram<'a> {
             scope.functions.borrow_mut().insert(name.name.clone(), function);
         }
 
+        for (name, global_const) in program.global_consts.iter() {
+            assert_eq!(name.name, global_const.variable_name.identifier.name);
+            let gc = GlobalConst::init(scope, global_const)?;
+            scope.global_consts.borrow_mut().insert(name.name.clone(), gc);
+        }
+
+        let mut global_consts = IndexMap::new();
+        for (name, global_const) in program.global_consts.iter() {
+            assert_eq!(name.name, global_const.variable_name.identifier.name);
+            let asg_global_const = *scope.global_consts.borrow().get(&name.name).unwrap();
+
+            //TODO?
+            // asg_global_const.fill_from_ast(global_const)?;
+
+            global_consts.insert(name.name.clone(), asg_global_const);
+        }
+
         // Load concrete definitions.
         let mut test_functions = IndexMap::new();
         for (name, test_function) in program.tests.iter() {
@@ -302,19 +323,14 @@ impl<'a> InternalProgram<'a> {
             circuits.insert(name.name.clone(), asg_circuit);
         }
 
-        // let global_consts = vec![];
-        for (global_const) in program.global_consts.iter() {
-            // assert_eq!(name.name, define.name.name);
-        }
-
         Ok(InternalProgram {
             context: arena,
             id: Uuid::new_v4(),
             name: program.name.clone(),
             test_functions,
             functions,
+            global_consts,
             circuits,
-            // global_consts,
             imported_modules: resolved_packages
                 .into_iter()
                 .map(|(package, program)| (package.join("."), program))
@@ -364,6 +380,7 @@ pub fn reform_ast<'a>(program: &Program<'a>) -> leo_ast::Program {
 
     let mut all_circuits: IndexMap<String, &'a Circuit<'a>> = IndexMap::new();
     let mut all_functions: IndexMap<String, &'a Function<'a>> = IndexMap::new();
+    let mut all_global_consts: IndexMap<String, &'a GlobalConst<'a>> = IndexMap::new();
     let mut all_test_functions: IndexMap<String, (&'a Function<'a>, Option<Identifier>)> = IndexMap::new();
     let mut identifiers = InternalIdentifierGenerator { next: 0 };
     for (_, program) in all_programs.into_iter() {
@@ -381,6 +398,11 @@ pub fn reform_ast<'a>(program: &Program<'a>) -> leo_ast::Program {
             function.name.borrow_mut().name = identifier.clone();
             all_functions.insert(identifier, *function);
         }
+        for (name, global_const) in program.global_consts.iter() {
+            let identifier = format!("{}{}", identifiers.next().unwrap(), name);
+            global_const.variable.borrow_mut().name.name = identifier.clone();
+            all_global_consts.insert(identifier, *global_const);
+        }
         for (name, function) in program.test_functions.iter() {
             let identifier = format!("{}{}", identifiers.next().unwrap(), name);
             function.0.name.borrow_mut().name = identifier.clone();
@@ -419,7 +441,10 @@ pub fn reform_ast<'a>(program: &Program<'a>) -> leo_ast::Program {
             .into_iter()
             .map(|(_, circuit)| (circuit.name.borrow().clone(), circuit.into()))
             .collect(),
-        global_consts: Vec::new(),
+        global_consts: all_global_consts
+            .into_iter()
+            .map(|(_, global_const)| (global_const.variable.borrow().name.clone(), global_const.into()))
+            .collect(),
     }
 }
 
@@ -449,7 +474,11 @@ impl<'a> Into<leo_ast::Program> for &InternalProgram<'a> {
                     })
                 })
                 .collect(),
-            global_consts: Vec::new(),
+            global_consts: self
+                .global_consts
+                .iter()
+                .map(|(_, global_const)| (global_const.variable.borrow().name.clone(), (*global_const).into()))
+                .collect(),
         }
     }
 }

asg/src/scope.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::{ArenaNode, AsgConvertError, Circuit, Expression, Function, Input, Statement, Type, Variable};
+use crate::{ArenaNode, AsgConvertError, Circuit, Expression, Function, GlobalConst, Input, Statement, Type, Variable};
 
 use indexmap::IndexMap;
 use std::cell::{Cell, RefCell};
@@ -44,6 +44,9 @@ pub struct Scope<'a> {
     /// Maps function name => function.
     pub functions: RefCell<IndexMap<String, &'a Function<'a>>>,
 
+    /// Maps global constant name => global const code block.
+    pub global_consts: RefCell<IndexMap<String, &'a GlobalConst<'a>>>,
+
     /// Maps circuit name => circuit.
     pub circuits: RefCell<IndexMap<String, &'a Circuit<'a>>>,
 
@@ -95,6 +98,13 @@ impl<'a> Scope<'a> {
         }
     }
 
+    pub fn alloc_global_const(&'a self, global_const: GlobalConst<'a>) -> &'a mut GlobalConst<'a> {
+        match self.arena.alloc(ArenaNode::GlobalConst(global_const)) {
+            ArenaNode::GlobalConst(e) => e,
+            _ => unimplemented!(),
+        }
+    }
+
     ///
     /// Returns a reference to the variable corresponding to the name.
     ///
@@ -104,6 +114,8 @@ impl<'a> Scope<'a> {
     pub fn resolve_variable(&self, name: &str) -> Option<&'a Variable<'a>> {
         if let Some(resolved) = self.variables.borrow().get(name) {
             Some(*resolved)
+        } else if let Some(resolved) = self.global_consts.borrow().get(name) {
+            Some(resolved.variable)
         } else if let Some(scope) = self.parent_scope.get() {
             scope.resolve_variable(name)
         } else {
@@ -205,6 +217,7 @@ impl<'a> Scope<'a> {
             variables: RefCell::new(IndexMap::new()),
             functions: RefCell::new(IndexMap::new()),
             circuits: RefCell::new(IndexMap::new()),
+            global_consts: RefCell::new(IndexMap::new()),
             function: Cell::new(None),
             input: Cell::new(None),
         })

ast/src/global_consts/global_const.rs

@@ -14,8 +14,13 @@
 // You should have received a copy of the GNU General Public License
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::{Expression, Node, Span, statements::{Declare, VariableName}, Type};
+use crate::{
-use leo_grammar::global_consts::GlobalConst as GrammarGlobalConst;
+    statements::{Declare, VariableName},
+    Expression,
+    Node,
+    Span,
+    Type,
+};
 
 use serde::{Deserialize, Serialize};
 use std::fmt;
@@ -23,7 +28,7 @@ use std::fmt;
 #[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)]
 pub struct GlobalConst {
     pub declaration_type: Declare,
-    pub variable_names: Vec<VariableName>,
+    pub variable_name: VariableName,
     pub type_: Option<Type>,
     pub value: Expression,
     pub span: Span,
@@ -31,21 +36,7 @@ pub struct GlobalConst {
 
 impl fmt::Display for GlobalConst {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{} ", self.declaration_type)?;
+        write!(f, "{} {}", self.declaration_type, self.variable_name)?;
-        if self.variable_names.len() == 1 {
-            // mut a
-            write!(f, "{}", self.variable_names[0])?;
-        } else {
-            // (a, mut b)
-            let names = self
-                .variable_names
-                .iter()
-                .map(|x| x.to_string())
-                .collect::<Vec<_>>()
-                .join(",");
-
-            write!(f, "({})", names)?;
-        }
 
         if self.type_.is_some() {
             write!(f, ": {}", self.type_.as_ref().unwrap())?;
@@ -54,27 +45,6 @@ impl fmt::Display for GlobalConst {
     }
 }
 
-impl<'ast> From<GrammarGlobalConst<'ast>> for GlobalConst {
-    fn from(statement: GrammarGlobalConst<'ast>) -> Self {
-        let variable_names = statement
-            .variables
-            .names
-            .into_iter()
-            .map(VariableName::from)
-            .collect::<Vec<_>>();
-
-        let type_ = statement.variables.type_.map(Type::from);
-
-        GlobalConst {
-            declaration_type: Declare::Const,
-            variable_names,
-            type_,
-            value: Expression::from(statement.expression),
-            span: Span::from(statement.span),
-        }
-    }
-}
-
 impl Node for GlobalConst {
     fn span(&self) -> &Span {
         &self.span

ast/src/global_consts/global_consts.rs

@@ -0,0 +1,123 @@
+// Copyright (C) 2019-2021 Aleo Systems Inc.
+// This file is part of the Leo library.
+
+// The Leo library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// The Leo library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
+
+use crate::{
+    statements::{Declare, VariableName},
+    Expression,
+    GlobalConst,
+    Node,
+    Span,
+    Type,
+};
+use leo_grammar::global_consts::GlobalConst as GrammarGlobalConst;
+
+use serde::{Deserialize, Serialize};
+use std::fmt;
+
+#[derive(Clone, PartialEq, Eq, Serialize, Deserialize, Debug)]
+pub struct GlobalConsts {
+    pub declaration_type: Declare,
+    pub variable_names: Vec<VariableName>,
+    pub type_: Option<Type>,
+    pub value: Expression,
+    pub span: Span,
+}
+
+impl GlobalConsts {
+    pub fn into_global_const(self) -> Vec<GlobalConst> {
+        let mut global_consts = vec![];
+        let mut types: Vec<Option<Type>> = vec![];
+
+        if self.type_.is_some() {
+            match self.type_.clone().unwrap() {
+                Type::Tuple(types_old) => {
+                    for type_ in &types_old {
+                        types.push(Some(type_.clone()));
+                    }
+                }
+                _ => types.push(self.type_.clone()),
+            }
+        }
+
+        for (i, variable_name) in self.variable_names.iter().enumerate() {
+            global_consts.push(GlobalConst {
+                declaration_type: self.declaration_type.clone(),
+                variable_name: variable_name.clone(),
+                type_: types.get(i).unwrap_or(&None).clone(),
+                value: self.value.clone(),
+                span: self.span.clone(),
+            });
+        }
+
+        global_consts
+    }
+}
+
+impl fmt::Display for GlobalConsts {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{} ", self.declaration_type)?;
+        if self.variable_names.len() == 1 {
+            // mut a
+            write!(f, "{}", self.variable_names[0])?;
+        } else {
+            // (a, mut b)
+            let names = self
+                .variable_names
+                .iter()
+                .map(|x| x.to_string())
+                .collect::<Vec<_>>()
+                .join(",");
+
+            write!(f, "({})", names)?;
+        }
+
+        if self.type_.is_some() {
+            write!(f, ": {}", self.type_.as_ref().unwrap())?;
+        }
+        write!(f, " = {};", self.value)
+    }
+}
+
+impl<'ast> From<GrammarGlobalConst<'ast>> for GlobalConsts {
+    fn from(global_const: GrammarGlobalConst<'ast>) -> Self {
+        let variable_names = global_const
+            .variables
+            .names
+            .into_iter()
+            .map(VariableName::from)
+            .collect::<Vec<_>>();
+
+        let type_ = global_const.variables.type_.map(Type::from);
+
+        GlobalConsts {
+            declaration_type: Declare::Const,
+            variable_names,
+            type_,
+            value: Expression::from(global_const.expression),
+            span: Span::from(global_const.span),
+        }
+    }
+}
+
+impl Node for GlobalConsts {
+    fn span(&self) -> &Span {
+        &self.span
+    }
+
+    fn set_span(&mut self, span: Span) {
+        self.span = span;
+    }
+}

ast/src/global_consts/mod.rs

@@ -16,3 +16,6 @@
 
 pub mod global_const;
 pub use global_const::*;
+
+pub mod global_consts;
+pub use global_consts::*;

ast/src/program.rs

@@ -20,10 +20,11 @@
 use crate::{
     load_annotation,
     Circuit,
-    GlobalConst,
     DeprecatedError,
     Function,
     FunctionInput,
+    GlobalConst,
+    GlobalConsts,
     Identifier,
     ImportStatement,
     TestFunction,
@@ -41,7 +42,7 @@ pub struct Program {
     pub expected_input: Vec<FunctionInput>,
     pub imports: Vec<ImportStatement>,
     pub circuits: IndexMap<Identifier, Circuit>,
-    pub global_consts: Vec<GlobalConst>,
+    pub global_consts: IndexMap<Identifier, GlobalConst>,
     pub functions: IndexMap<Identifier, Function>,
     pub tests: IndexMap<Identifier, TestFunction>,
 }
@@ -78,7 +79,7 @@ impl<'ast> Program {
     pub fn from(program_name: &str, program_ast: &File<'ast>) -> Result<Self, DeprecatedError> {
         let mut imports = vec![];
         let mut circuits = IndexMap::new();
-        let mut global_consts = vec![];
+        let mut global_consts = IndexMap::new();
         let mut functions = IndexMap::new();
         let mut tests = IndexMap::new();
         let mut expected_input = vec![];
@@ -98,7 +99,10 @@ impl<'ast> Program {
                     None
                 }
                 Definition::GlobalConst(global_const) => {
-                    global_consts.push(GlobalConst::from(global_const));
+                    let global_const_vec = GlobalConsts::from(global_const).into_global_const();
+                    for gc in global_const_vec {
+                        global_consts.insert(gc.variable_name.identifier.clone(), gc);
+                    }
                     None
                 }
                 Definition::Function(function_def) => {
@@ -149,7 +153,7 @@ impl Program {
             expected_input: vec![],
             imports: vec![],
             circuits: IndexMap::new(),
-            global_consts: vec![],
+            global_consts: IndexMap::new(),
             functions: IndexMap::new(),
             tests: IndexMap::new(),
         }

compiler/src/constraints/constraints.rs

@@ -36,6 +36,13 @@ pub fn generate_constraints<'a, F: PrimeField, G: GroupType<F>, CS: ConstraintSy
     let program = asg.as_repr();
     let mut resolved_program = ConstrainedProgram::<F, G>::new(program.clone());
 
+    for (_, global_const) in program.global_consts.iter() {
+        let value = resolved_program
+            .enforce_expression(cs, global_const.value.get())
+            .unwrap();
+        resolved_program.store_global_const(global_const, value);
+    }
+
     let main = {
         let program = program;
         program.functions.get("main").cloned()

compiler/src/expression/variable_ref/variable_ref.rs

@@ -26,6 +26,7 @@ impl<'a, F: PrimeField, G: GroupType<F>> ConstrainedProgram<'a, F, G> {
     pub fn evaluate_ref(&mut self, variable_ref: &VariableRef) -> Result<ConstrainedValue<'a, F, G>, ExpressionError> {
         // Evaluate the identifier name in the current function scope
         let variable = variable_ref.variable.borrow();
+
         let result_value = if let Some(value) = self.get(&variable.id) {
             value.clone()
         } else {

compiler/src/global_const/global_const.rs

@@ -0,0 +1,30 @@
+// Copyright (C) 2019-2021 Aleo Systems Inc.
+// This file is part of the Leo library.
+
+// The Leo library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// The Leo library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
+
+//! Stores all defined names in a compiled Leo program.
+
+use crate::{program::ConstrainedProgram, value::ConstrainedValue, GroupType};
+use leo_asg::GlobalConst;
+
+use snarkvm_models::curves::PrimeField;
+
+impl<'a, F: PrimeField, G: GroupType<F>> ConstrainedProgram<'a, F, G> {
+    pub fn store_global_const(&mut self, global_const: &GlobalConst, value: ConstrainedValue<'a, F, G>) {
+        let variable = global_const.variable.borrow();
+
+        self.store(variable.id, value);
+    }
+}

compiler/src/global_const/mod.rs

@@ -0,0 +1,18 @@
+// Copyright (C) 2019-2021 Aleo Systems Inc.
+// This file is part of the Leo library.
+
+// The Leo library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// The Leo library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
+
+pub mod global_const;
+pub use self::global_const::*;

compiler/src/lib.rs

@@ -41,6 +41,9 @@ pub use self::expression::*;
 pub mod function;
 pub use self::function::*;
 
+pub mod global_const;
+pub use self::global_const::*;
+
 pub mod output;
 pub use self::output::*;
 

grammar/src/definitions/definition.rs

@@ -17,9 +17,9 @@
 use crate::{
     ast::Rule,
     circuits::Circuit,
-    global_consts::GlobalConst,
     definitions::{AnnotatedDefinition, Deprecated},
     functions::Function,
+    global_consts::GlobalConst,
     imports::Import,
 };