41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
#pragma once
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#include "libsyntax.h"
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#include "ast_basic.h"
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namespace ast_gen {
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/**
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* @brief 语法解析器
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*/
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class LIBSYNTAX_EXPORT SyntaxParser {
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private:
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std::shared_ptr<const lib_syntax::IBasicRule> _rule_bind = nullptr;
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public:
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SyntaxParser(std::shared_ptr<const lib_syntax::IBasicRule> rule);
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/**
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* @brief 依据源码语法规则，解析源码链表
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* @param wods 源码链表
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* @return 所有解析路径，按照错误数量排序：少->多
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*/
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QList<std::shared_ptr<const lib_syntax::MatchCursor>> parse(std::shared_ptr<const lib_words::IPrimitiveWord> words);
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/**
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* @brief 依据指定解析路径，提取程序解构
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* @param cursor 解析路径
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* @param root 表达式树预制根节点
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* @return 完善后的根节点
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*/
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std::shared_ptr<ast_basic::IExprInstance> getAst(
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std::shared_ptr<const lib_syntax::MatchCursor> cursor, std::shared_ptr<ast_basic::IExprInstance> root);
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void astPresent(std::shared_ptr<const ast_basic::IExprInstance> node, int depth = 0);
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};
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} |