Step 83: add new tree-sitter grammars

editor/tests/step83_test.cpp

@@ -0,0 +1,52 @@
+// Step 83 TDD Test: Additional tree-sitter grammars
+//
+// Tests:
+// 1. SyntaxHighlighter returns spans for new languages
+// 2. EditorMode can switch to new languages
+
+#include <cassert>
+#include <iostream>
+#include "SyntaxHighlighter.h"
+#include "EditorMode.h"
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    // --- Test 1: SyntaxHighlighter spans ---
+    {
+        const char* js = "function add(a,b){ return a+b; }";
+        const char* ts = "function add(a: number, b: number): number { return a + b; }";
+        const char* java = "class A { int add(int a, int b){ return a+b; } }";
+        const char* rust = "fn add(a:i32,b:i32)->i32{ a+b }";
+        const char* go = "func add(a int, b int) int { return a+b }";
+
+        auto jsSpans = SyntaxHighlighter::highlight(js, "javascript");
+        auto tsSpans = SyntaxHighlighter::highlight(ts, "typescript");
+        auto javaSpans = SyntaxHighlighter::highlight(java, "java");
+        auto rustSpans = SyntaxHighlighter::highlight(rust, "rust");
+        auto goSpans = SyntaxHighlighter::highlight(go, "go");
+
+        assert(!jsSpans.empty());
+        assert(!tsSpans.empty());
+        assert(!javaSpans.empty());
+        assert(!rustSpans.empty());
+        assert(!goSpans.empty());
+
+        std::cout << "Test 1 PASS: Highlight spans for new languages" << std::endl;
+        ++passed;
+    }
+
+    // --- Test 2: EditorMode switches ---
+    {
+        EditorMode mode("javascript");
+        assert(mode.getLanguage() == "javascript");
+        mode.setLanguage("rust");
+        assert(mode.getLanguage() == "rust");
+        std::cout << "Test 2 PASS: EditorMode supports new languages" << std::endl;
+        ++passed;
+    }
+
+    std::cout << "\n=== Step 83 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
+    return failed > 0 ? 1 : 0;
+}