func_sketch::parser::ExpressionGrammar Class Reference

Class of grammar for parsing expressions. More...

#include <func_sketch/parser/expression_grammar.h>

Inheritance diagram for func_sketch::parser::ExpressionGrammar:

Collaboration diagram for func_sketch::parser::ExpressionGrammar:

Public Types
using	IteratorType = std::string::const_iterator
	Type of iterator.

Public Member Functions
	ExpressionGrammar ()
	Constructor.
const std::string &	error_message () const noexcept
	Get the error message from the last parse attempt.
void	clear_error_message () noexcept
	Clear the error message.
ParsedExpression	parse (const std::string &str)
	Parse with error handling.

Private Types
template<typename T>
using	Rule
	Type of rules.

Private Attributes
Rule< Complex >	imaginary_number_rule_
	Rule of imaginary numbers.
Rule< ParsedLiteral >	literal_rule_
	Rule of literals.
Rule< ParsedIdentifier >	identifier_rule_
	Rule of identifiers.
Rule< ParsedFunctionCallExpression >	function_call_expr_rule_
	Rule of function call expressions.
Rule< ParsedExpression >	atomic_value_expr_rule_
	Rule of atomic value expressions.
Rule< ParsedExpression >	value_expr_rule_
	Rule of value expressions.
Rule< ParsedExpression >	factor_expr_rule_
	Rule of factor expressions.
Rule< ParsedExpression >	unary_expr_rule_
	Rule of unary expressions.
Rule< ParsedExpression >	term_expr_rule_
	Rule of term expressions.
Rule< ParsedExpression >	sum_expr_rule_
	Rule of sum expressions.
Rule< ParsedExpression >	expr_rule_
	Rule of the whole expression.
std::string	error_message_
	Error message from the last parse attempt.

Detailed Description

Class of grammar for parsing expressions.

Definition at line 34 of file expression_grammar.h.

Member Typedef Documentation

IteratorType

using func_sketch::parser::ExpressionGrammar::IteratorType = std::string::const_iterator

Type of iterator.

Definition at line 39 of file expression_grammar.h.

Rule

template<typename T>

using func_sketch::parser::ExpressionGrammar::Rule

private

Initial value:

 boost::spirit::qi::rule<IteratorType, T(),
        boost::spirit::ascii::space_type>

Type of rules.

Template Parameters

T	Type of the value of the rule.

Definition at line 75 of file expression_grammar.h.

Member Function Documentation

error_message()

const std::string & func_sketch::parser::ExpressionGrammar::error_message ( ) const

nodiscardnoexcept

Get the error message from the last parse attempt.

Returns

Error message if parsing failed, empty string otherwise.

parse()

ParsedExpression func_sketch::parser::ExpressionGrammar::parse ( const std::string & str )

nodiscard

Parse with error handling.

Parameters

[in]

str

String to parse.

Returns

Parsed expression.

Exceptions

InvalidExpressionException

If parsing failed.

Member Data Documentation

imaginary_number_rule_

Rule<Complex> func_sketch::parser::ExpressionGrammar::imaginary_number_rule_

private

Rule of imaginary numbers.

Definition at line 79 of file expression_grammar.h.

literal_rule_

Rule<ParsedLiteral> func_sketch::parser::ExpressionGrammar::literal_rule_

private

Rule of literals.

Definition at line 82 of file expression_grammar.h.

identifier_rule_

Rule<ParsedIdentifier> func_sketch::parser::ExpressionGrammar::identifier_rule_

private

Rule of identifiers.

Definition at line 85 of file expression_grammar.h.

function_call_expr_rule_

Rule<ParsedFunctionCallExpression> func_sketch::parser::ExpressionGrammar::function_call_expr_rule_

private

Rule of function call expressions.

Definition at line 88 of file expression_grammar.h.

atomic_value_expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::atomic_value_expr_rule_

private

Rule of atomic value expressions.

Definition at line 91 of file expression_grammar.h.

value_expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::value_expr_rule_

private

Rule of value expressions.

Definition at line 94 of file expression_grammar.h.

factor_expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::factor_expr_rule_

private

Rule of factor expressions.

Definition at line 97 of file expression_grammar.h.

unary_expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::unary_expr_rule_

private

Rule of unary expressions.

Definition at line 100 of file expression_grammar.h.

term_expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::term_expr_rule_

private

Rule of term expressions.

Definition at line 103 of file expression_grammar.h.

sum_expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::sum_expr_rule_

private

Rule of sum expressions.

Definition at line 106 of file expression_grammar.h.

expr_rule_

Rule<ParsedExpression> func_sketch::parser::ExpressionGrammar::expr_rule_

private

Rule of the whole expression.

Definition at line 109 of file expression_grammar.h.

error_message_

std::string func_sketch::parser::ExpressionGrammar::error_message_

private

Error message from the last parse attempt.

Definition at line 112 of file expression_grammar.h.

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The documentation for this class was generated from the following file:

• include/func_sketch/parser/expression_grammar.h