From f26817f43319326c8676958d20486783cd29e4e6 Mon Sep 17 00:00:00 2001
From: Aoran Zeng <ccmywish@qq.com>
Date: Wed, 16 Jul 2025 20:37:19 +0800
Subject: [PATCH] Implement namespace

---
 tool/rawstr4c/lib/Config.rakumod    | 26 +++++++++++++++++++++++---
 tool/rawstr4c/lib/Generator.rakumod |  6 ++++++
 tool/rawstr4c/lib/Parser.rakumod    |  1 +
 3 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/tool/rawstr4c/lib/Config.rakumod b/tool/rawstr4c/lib/Config.rakumod
index 02fb92d..e3b3843 100644
--- a/tool/rawstr4c/lib/Config.rakumod
+++ b/tool/rawstr4c/lib/Config.rakumod
@@ -62,9 +62,7 @@ class SectionConfig {
   # ============================================================
 
   # 返回当前 section 的 各种配置
-  # 注意，这些函数仅仅忠实地要么返回层次化值，要么返回自己configblock的值，要么返回一个默认值
-  # 从不考虑 section 其他部分对配置的影响
-  # 对 section 其他部分的考虑是 Generator 的职责
+  # 注意，这些函数全部都返回 ConfigValue's-Value 实例
 
   #| RS4C-Mode
   method translate-mode() {
@@ -111,6 +109,28 @@ class SectionConfig {
     return self.get-direct-config('name-literally', 'false');
   }
 
+
+  # RS4C-String
+  method namespace() {
+    my $config-namespace = self.get-direct-config('namespace', '');
+
+    my $current-namespace = $config-namespace.string-value;
+
+    # 嵌套增加
+    my $parent = $.section.parent;
+    while $parent {
+      if $parent.configblock.exist('namespace') {
+        $current-namespace = $parent.configblock.get('namespace').string-value ~ $current-namespace;
+      } else {
+        # 空字符串
+        $current-namespace =  '' ~ $current-namespace;
+      }
+      $parent = $parent.parent;
+    }
+    return Parser::ConfigItem's-Value.new($current-namespace);
+  }
+
+
   #| RS4C-Bool
   method debug() {
     return self.get-inherited-config('debug', 'false');
diff --git a/tool/rawstr4c/lib/Generator.rakumod b/tool/rawstr4c/lib/Generator.rakumod
index c0efe3c..b157fd3 100644
--- a/tool/rawstr4c/lib/Generator.rakumod
+++ b/tool/rawstr4c/lib/Generator.rakumod
@@ -85,6 +85,7 @@ my class CVariableNameGenerator {
       $name = $config-name.string-value;
     }
 
+    my $namespace = $config.namespace.string-value;
     my $name-literally = $config.name-literally.bool-value;
 
     # 替换非法字符
@@ -102,8 +103,13 @@ my class CVariableNameGenerator {
     } else {
       # 否则，按照规则组装变量名
       $varname ~= $prefix if $keep-prefix && $prefix;
+
+      $varname ~= "_" if $varname && $namespace;
+      $varname ~= $namespace if $namespace;
+
       $varname ~= "_" if $varname && $name;
       $varname ~= $name if $name;
+
       $varname ~= "_" if $varname && $postfix && $keep-postfix;
       $varname ~= $postfix if $postfix && $keep-postfix;
     }
diff --git a/tool/rawstr4c/lib/Parser.rakumod b/tool/rawstr4c/lib/Parser.rakumod
index 1132799..ac2d239 100644
--- a/tool/rawstr4c/lib/Parser.rakumod
+++ b/tool/rawstr4c/lib/Parser.rakumod
@@ -99,6 +99,7 @@ class ConfigItem's-Value {
 
 
 #| 包含所有 config items 的容器
+#| 所有 get 出的值一定是 ConfigItem's-Value 实例
 my class ConfigBlock {
 
   has %!items;