feat: Add initial ProXPL lexer, syntax highlighting for VS Code, and a standard library test file.

Author: ProgrammerKR

extension/syntaxes/proxpl.tmLanguage.json

@@ -46,7 +46,7 @@
             "patterns": [
                 {
                     "name": "keyword.control.proxpl",
-                    "match": "\\b(if|else|while|for|return|use)\\b"
+                    "match": "\\b(if|else|while|for|return|import)\\b"
                 },
                 {
                     "name": "keyword.declaration.proxpl",

include/scanner.h

@@ -99,7 +99,7 @@ typedef enum {
   TOKEN_ASYNC,
   TOKEN_AWAIT,
   TOKEN_USE,
-  // TOKEN_IMPORT removed
+  TOKEN_IMPORT,
   TOKEN_EXPORT,
   TOKEN_FROM,
   TOKEN_AS,

src/compiler/lexer/scanner.c

@@ -276,6 +276,8 @@ static PxTokenType identifierType(Scanner *scanner) {
           case 'p':
             if (scanner->current - scanner->start > 3) {
               switch (scanner->start[3]) {
+              case 'o':
+                return checkKeyword(scanner, 4, 2, "rt", TOKEN_IMPORT);
               case 'l':
                 return checkKeyword(scanner, 4, 7, "ements", TOKEN_IMPLEMENTS);
               }

tests/stdlib_test.prox

@@ -1,9 +1,9 @@
 // Functional Test for ProXPL Stdlib v0.1
 
-use std.io;
-use std.fs;
-use std.sys;
-use std.core;
+import std.io;
+import std.fs;
+import std.sys;
+import std.core;
 
 // Test std.core
 print("Testing std.core...");