67 lines
2 KiB
C++
67 lines
2 KiB
C++
/*
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* Copyright (c) 2023, Dan Klishch <danilklishch@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "AST/AST.h"
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#include "Parser/ParseError.h"
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#include "Parser/Token.h"
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namespace JSSpecCompiler {
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class TextParser {
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public:
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struct DefinitionParseResult {
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StringView section_number;
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StringView function_name;
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Vector<StringView> arguments;
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};
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TextParser(Vector<Token>& tokens_, XML::Node const* node_)
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: m_tokens(tokens_)
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, m_node(node_)
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{
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}
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ParseErrorOr<DefinitionParseResult> parse_definition();
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ParseErrorOr<Tree> parse_step_without_substeps();
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ParseErrorOr<Tree> parse_step_with_substeps(Tree substeps);
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private:
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struct IfConditionParseResult {
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bool is_if_branch;
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NullableTree condition;
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};
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void retreat();
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[[nodiscard]] auto rollback_point();
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ParseErrorOr<Token const*> peek_token();
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ParseErrorOr<Token const*> consume_token();
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ParseErrorOr<Token const*> consume_token_with_one_of_types(std::initializer_list<TokenType> types);
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ParseErrorOr<Token const*> consume_token_with_type(TokenType type);
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ParseErrorOr<void> consume_word(StringView word);
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ParseErrorOr<void> consume_words(std::initializer_list<StringView> words);
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bool is_eof() const;
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ParseErrorOr<void> expect_eof() const;
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ParseErrorOr<Tree> parse_record_direct_list_initialization();
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ParseErrorOr<Tree> parse_expression();
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ParseErrorOr<Tree> parse_condition();
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ParseErrorOr<Tree> parse_return_statement();
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ParseErrorOr<Tree> parse_assert();
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ParseErrorOr<Tree> parse_assignment();
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ParseErrorOr<Tree> parse_simple_step_or_inline_if_branch();
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ParseErrorOr<IfConditionParseResult> parse_if_beginning();
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ParseErrorOr<Tree> parse_inline_if_else();
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ParseErrorOr<Tree> parse_if(Tree then_branch);
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ParseErrorOr<Tree> parse_else(Tree else_branch);
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Vector<Token> const& m_tokens;
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size_t m_next_token_index = 0;
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XML::Node const* m_node;
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};
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}
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