Added scope package

src/build/core/CompileDefinition.go

@@ -2,9 +2,7 @@ package core
 
 import (
 	"git.akyoto.dev/cli/q/src/build/ast"
-	"git.akyoto.dev/cli/q/src/build/config"
 	"git.akyoto.dev/cli/q/src/build/errors"
-	"git.akyoto.dev/cli/q/src/build/expression"
 	"git.akyoto.dev/cli/q/src/build/token"
 )
 
@@ -24,71 +22,3 @@ func (f *Function) CompileDefinition(node *ast.Define) error {
 
 	return f.storeVariableInRegister(name, node.Value, uses)
 }
-
-func (f *Function) AddVariable(variable *Variable) {
-	if config.Comments {
-		f.Comment("%s = %s (%d uses)", variable.Name, variable.Register, variable.Alive)
-	}
-
-	scope := f.Scope()
-	variable.Scope = scope
-
-	scope.variables[variable.Name] = variable
-	scope.Use(variable.Register)
-}
-
-func (f *Function) useVariable(variable *Variable) {
-	for i, scope := range f.scopes {
-		if scope.inLoop && variable.Scope != scope {
-			continue
-		}
-
-		local := scope.variables[variable.Name]
-
-		if local == nil {
-			continue
-		}
-
-		local.Alive--
-
-		if local.Alive < 0 {
-			panic("incorrect number of variable use calls")
-		}
-
-		if local.Alive == 0 {
-			if config.Comments {
-				f.Comment("%s (%s) died in scope %d", local.Name, local.Register, i)
-			}
-
-			scope.Free(local.Register)
-		} else if config.Comments {
-			f.Comment("%s (%s) used in scope %d", local.Name, local.Register, i)
-		}
-	}
-}
-
-// identifierExists returns true if the identifier has been defined.
-func (f *Function) identifierExists(name string) bool {
-	variable := f.Variable(name)
-
-	if variable != nil {
-		return true
-	}
-
-	_, exists := f.Functions[name]
-	return exists
-}
-
-func (f *Function) storeVariableInRegister(name string, value *expression.Expression, uses int) error {
-	reg := f.Scope().MustFindFree(f.cpu.General)
-	f.Scope().Reserve(reg)
-	err := f.ExpressionToRegister(value, reg)
-
-	f.AddVariable(&Variable{
-		Name:     name,
-		Register: reg,
-		Alive:    uses,
-	})
-
-	return err
-}