add c and jai

c/lexer/lexer_theme.h

@@ -0,0 +1,50 @@
+#pragma once
+// lexer_theme.h -- Color themes for syntax highlighting
+//
+// Each theme maps Token_Type values to 24-bit RGB colors, plus a background.
+// Themes use true-color ANSI escapes (supported by Windows Terminal, most
+// modern terminals).
+
+#include "base/base_core.h"
+#include "lexer/lexer.h"
+
+////////////////////////////////
+// RGB color
+
+typedef struct RGB { U8 r, g, b; } RGB;
+
+// Use for static initializers (no compound literal — MSVC C11 compat)
+#define RGB_HEX(hex) { ((hex) >> 16) & 0xFF, ((hex) >> 8) & 0xFF, (hex) & 0xFF }
+
+////////////////////////////////
+// Theme
+
+typedef struct Theme {
+    const char *name;
+    B32  use_truecolor;       // if false, use ansi_colors[] with term_fg() instead
+    RGB  colors[TOK_COUNT];   // foreground color per token type (true color)
+    U8   ansi_colors[TOK_COUNT]; // foreground per token type (256-color fallback)
+    RGB  background;          // terminal background color
+    B32  set_background;      // whether to override terminal background
+
+    // UI chrome colors
+    RGB  status_bg;           // status bar background
+    RGB  status_fg;           // status bar foreground (focused)
+    RGB  status_fg_dim;       // status bar foreground (unfocused)
+    RGB  mb_bg;               // minibuffer item background (highlighted)
+    RGB  mb_fg;               // minibuffer item foreground (highlighted)
+    RGB  mb_detail;           // minibuffer detail text color
+    RGB  fb_bg;               // file browser background (0,0,0 = use WindowBg)
+    B32  set_fb_bg;           // whether to override file browser background
+} Theme;
+
+////////////////////////////////
+// Built-in themes
+
+#define THEME_COUNT 13
+
+extern Theme g_themes[THEME_COUNT];
+extern S32   g_active_theme_idx;
+
+// Convenience: pointer to the active theme
+static inline Theme *theme_active(void) { return &g_themes[g_active_theme_idx]; }