88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
#include "./incremental_collector.hpp"
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#include "../incremental/incremental_engine.hpp"
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namespace lsp::language::symbol
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{
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IncrementalCollector::IncrementalCollector(CollectorContext& context, IncrementalEngine& engine) :
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SymbolCollector(context), engine_(engine)
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{
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}
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bool IncrementalCollector::CollectIncremental(const ast::IncrementalParseResult& parse_result)
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{
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// 重置统计
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reused_count_ = 0;
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new_count_ = 0;
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// 构建变化节点索引
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std::unordered_set<size_t> changed_set(
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parse_result.changed_indices.begin(),
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parse_result.changed_indices.end());
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// 处理所有节点
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for (size_t i = 0; i < parse_result.result.nodes.size(); ++i)
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{
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const auto& node = parse_result.result.nodes[i];
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bool is_changed = changed_set.count(i) > 0;
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if (!ProcessNode(node, is_changed))
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return false;
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}
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return !ctx_.error_reporter.HasErrors();
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}
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bool IncrementalCollector::ProcessNode(const ast::ASTNode& node, bool is_changed)
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{
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if (is_changed)
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{
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// 节点已变化，必须重新收集
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new_count_++;
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bool success = Visit(node);
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if (success)
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{
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// 收集成功后，缓存新符号
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CacheCurrentSymbol(node);
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}
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return success;
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}
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else
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{
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// 节点未变化，尝试复用缓存
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if (TryReuseFromCache(node))
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{
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reused_count_++;
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return true;
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}
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else
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{
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// 缓存未命中，重新收集
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new_count_++;
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bool success = Visit(node);
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if (success)
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{
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CacheCurrentSymbol(node);
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}
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return success;
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}
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}
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}
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bool IncrementalCollector::TryReuseFromCache(const ast::ASTNode& node)
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{
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// 委托给增量引擎，传入 Registry 用于 Unit 复用
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return engine_.TryReuseSymbol(node, ctx_.CurrentScope(), &ctx_.registry);
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}
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void IncrementalCollector::CacheCurrentSymbol(const ast::ASTNode& node)
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{
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// 委托给增量引擎
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engine_.CacheSymbol(node, ctx_.CurrentScope());
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}
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}
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