Implemented const keyword

src/compiler/Compile.go

@@ -8,13 +8,14 @@ import (
 )
 
 // Compile waits for the scan to finish and compiles all functions.
-func Compile(files <-chan *fs.File, functions <-chan *core.Function, structs <-chan *types.Struct, errs <-chan error) (Result, error) {
+func Compile(constants <-chan *core.Constant, files <-chan *fs.File, functions <-chan *core.Function, structs <-chan *types.Struct, errs <-chan error) (Result, error) {
 	result := Result{}
 	allFiles := make([]*fs.File, 0, 8)
 	allFunctions := make(map[string]*core.Function, 32)
 	allStructs := make(map[string]*types.Struct, 8)
+	allConstants := make(map[string]*core.Constant, 8)
 
-	for functions != nil || structs != nil || files != nil || errs != nil {
+	for constants != nil || files != nil || functions != nil || structs != nil || errs != nil {
 		select {
 		case function, ok := <-functions:
 			if !ok {
@@ -24,6 +25,7 @@ func Compile(files <-chan *fs.File, functions <-chan *core.Function, structs <-c
 
 			function.Functions = allFunctions
 			function.Structs = allStructs
+			function.Constants = allConstants
 			allFunctions[function.UniqueName] = function
 
 		case structure, ok := <-structs:
@@ -42,6 +44,14 @@ func Compile(files <-chan *fs.File, functions <-chan *core.Function, structs <-c
 
 			allFiles = append(allFiles, file)
 
+		case constant, ok := <-constants:
+			if !ok {
+				constants = nil
+				continue
+			}
+
+			allConstants[constant.Name] = constant
+
 		case err, ok := <-errs:
 			if !ok {
 				errs = nil