Concurrency (#38)

* Add support for randomised context switching

* Remove unused import

* Attempt to support go statements

* Support for functions with multiple return values (#31) (#34)

* Implement fmt.Print()

* Update tests for println and print and implement trivial case for printf

* Fix array newline not ignored between { and first element

* Support for functions returning multiple values at once

* Remove duplicate test cases

* Improve concurrency handling to pass by value but random execution still does not work

* Implement mutex

* Fix defer not working inside non-main contexts

* Add more test cases for mutex

* Add method checking test case for mutex

* Fix defer and clean up duplicate files

* Remove debugging variables

* Add test cases for parsing for if-else statements

* Transfer test case from defer to go statement

* Support other numeric types and fix go statement remnant closure on OS

* Fix local browser testing error

* Remove redundant functions and refactor fork to go

* Fix multiple return values logic and added more test cases

* Adjust logic for handling functions that return multiple values

* Implement single level type declaration

* Improve basic test cases for type declaration

* Update logic to no longer use DeclaredNode

* Refactor executor to runtime, compiler to executor, parser to compiler

* Adjust logic for declared types to make literals commit to declared types instead of the other way round

* Implement declared type logic check for binops

* Fix uninitialised declared type variables not having zero values

* Implement type declarations for functions

* Implement type declaration and functions with multiple return values for arrays

* Implement support for same name type across different scopes

* fix whitespace removal logic for structs

* Change memory layout for arrays to be contiguous

* Remove dummy variables

* Change memory layout for arrays to be contiguous, however does not work without explicit size declaration

* Fix slices and structs

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}\\src\\index.tsx",
+            "outFiles": [
+                "${workspaceFolder}/**/*.js"
+            ]
+        }
+    ]
+}

package.json

@@ -11,8 +11,8 @@
     "eject": "react-scripts eject",
     "lint-no-fix": "eslint ./ --ignore-path .gitignore && prettier . -c",
     "lint": "eslint ./ --ignore-path .gitignore --fix && prettier . -c --write",
-    "generate-parser": "npx peggy --format es -o src/go-virtual-machine-main/virtual-machine/parser/golang_parser.js src/go-virtual-machine-main/virtual-machine/parser/parser.peggy",
-    "generate-parser-watch": "npx peggy -m -w --format es -o src/go-virtual-machine-main/virtual-machine/parser/golang_parser.js src/go-virtual-machine-main/virtual-machine/parser/parser.peggy"
+    "generate-parser": "npx peggy --format es -o src/go-virtual-machine-main/virtual-machine/compiler/golang_parser.js src/go-virtual-machine-main/virtual-machine/compiler/parser.peggy",
+    "generate-parser-watch": "npx peggy -m -w --format es -o src/go-virtual-machine-main/virtual-machine/compiler/golang_parser.js src/go-virtual-machine-main/virtual-machine/compiler/parser.peggy"
   },
   "author": "",
   "license": "ISC",
@@ -35,7 +35,7 @@
     "framer-motion": "^10.12.14",
     "js-cookie": "^3.0.5",
     "node": "^22.7.0",
-    "peggy": "^4.0.3",
+    "peggy": "^4.1.1",
     "react": "^18.2.0",
     "react-cytoscapejs": "^2.0.0",
     "react-data-grid": "^7.0.0-beta.34",

src/frontend/components/Visual/EnvNode.tsx

@@ -1,7 +1,7 @@
 import { Edge, Handle, MarkerType, Node, NodeProps, Position } from 'reactflow'
 import { Box } from '@chakra-ui/react'
 
-import { EnvironmentInfo } from '../../../virtual-machine/executor/debugger'
+import { EnvironmentInfo } from '../../../go-virtual-machine-main/virtual-machine/runtime/debugger'
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 export type Nodes = Node<any, string | undefined>[]

src/frontend/components/Visual/VisualArea.tsx

@@ -15,7 +15,7 @@ import {
   useColorModeValue,
 } from '@chakra-ui/react'
 
-import { ContextInfo } from '../../../virtual-machine/executor/debugger'
+import { ContextInfo } from '../../../go-virtual-machine-main/virtual-machine/runtime/debugger'
 import { useExecutionStore } from '../../stores'
 
 import { addEnvs, EnvNode, Nodes } from './EnvNode'

src/frontend/pages/Main.tsx

@@ -10,8 +10,8 @@ import {
 } from '@chakra-ui/react'
 import Cookies from 'js-cookie'
 
-import { runCode } from '../../virtual-machine'
-import { CompileError } from '../../virtual-machine/compiler'
+import { runCode } from '../../go-virtual-machine-main/tests/utility'
+import { CompileError } from '../../go-virtual-machine-main/virtual-machine/executor/index'
 import {
   CodeIDE,
   CodeIDEButtons,
@@ -145,7 +145,7 @@ export const Main = () => {
         error,
         output: newOutput,
         visualData,
-      } = runCode(code, heapsize, visualMode)
+      } = runCode(code, heapsize, true, visualMode)
       if (error) {
         const errorTitle = {
           parse: 'Syntax Error',

src/frontend/stores/executionStore.ts

@@ -1,8 +1,8 @@
 import { shallow } from 'zustand/shallow'
 import { createWithEqualityFn } from 'zustand/traditional'
 
-import { ContextInfo, StateInfo } from '../../virtual-machine/executor/debugger'
-import { TokenLocation } from '../../virtual-machine/parser/tokens'
+import { ContextInfo, StateInfo } from '../../go-virtual-machine-main/virtual-machine/runtime/debugger'
+import { TokenLocation } from '../../go-virtual-machine-main/virtual-machine/compiler/tokens'
 
 export interface ExecutionState {
   currentStep: number