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#ifndef JINJA2CPP_SRC_EXPRESSION_PARSER_H
#define JINJA2CPP_SRC_EXPRESSION_PARSER_H
#include "lexer.h"
#include "error_handling.h"
#include "expression_evaluator.h"
#include "renderer.h"
#include <contrib/restricted/expected-lite/include/nonstd/expected.hpp>
#include <jinja2cpp/template_env.h>
namespace jinja2
{
class ExpressionParser
{
public:
template<typename T>
using ParseResult = nonstd::expected<T, ParseError>;
explicit ExpressionParser(const Settings& settings, TemplateEnv* env = nullptr);
ParseResult<RendererPtr> Parse(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<FullExpressionEvaluator>> ParseFullExpression(LexScanner& lexer, bool includeIfPart = true);
ParseResult<CallParamsInfo> ParseCallParams(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<ExpressionFilter>> ParseFilterExpression(LexScanner& lexer);
private:
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseLogicalNot(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseLogicalOr(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseLogicalAnd(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseLogicalCompare(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseStringConcat(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseMathPow(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseMathMulDiv(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseMathPlusMinus(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseUnaryPlusMinus(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseValueExpression(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseBracedExpressionOrTuple(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseDictionary(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseTuple(LexScanner& lexer);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseCall(LexScanner& lexer, ExpressionEvaluatorPtr<Expression> valueRef);
ParseResult<ExpressionEvaluatorPtr<Expression>> ParseSubscript(LexScanner& lexer, ExpressionEvaluatorPtr<Expression> valueRef);
ParseResult<ExpressionEvaluatorPtr<IfExpression>> ParseIfExpression(LexScanner& lexer);
private:
ComposedRenderer* m_topLevelRenderer = nullptr;
};
} // namespace jinja2
#endif // JINJA2CPP_SRC_EXPRESSION_PARSER_H
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