lexer.hpp File Reference

Lexical Analysis/Tokenizer. More...

#include "func/global.hpp"

Go to the source code of this file.

Classes
class	TokenPos
class	Lexer

Enumerations
enum	Token : int {   tok_id = 256, tok_num, tok_int, tok_op,   tok_eol, tok_eof, tok_obrace, tok_cbrace,   tok_lambda, tok_atom, tok_literal, tok_if,   tok_then, tok_else, tok_let, tok_in,   tok_delim, tok_any, tok_err }
	Tokens for Tokenizer/Lexical Analysis. More...
enum	Operator {   op_eq, op_leq, op_geq, op_le,   op_gt, op_land, op_lor, op_add,   op_sub, op_mul, op_div, op_pow,   op_asg, op_fn }
	Operator type. More...

Functions
std::string	std::to_string (Operator op) noexcept
int	getOperatorPrecedence (Operator op)

Detailed Description

Lexical Analysis/Tokenizer.

Enumeration Type Documentation

Operator

enum Operator

Operator type.

See also

Lexer::currentOperator()

Enumerator
op_eq	==
op_leq	<=
op_geq	>=
op_le	<
op_gt	>
op_land	&&
op_lor	||
op_add
op_sub
op_mul
op_div	/
op_pow	^
op_asg	=
op_fn	Not a real operator (functional substition)

Token

enum Token : int

Tokens for Tokenizer/Lexical Analysis.

See also

Lexer::nextToken, Lexer::currentToken

Enumerator
tok_id	Identifier.
tok_num	Floating-point Number.
tok_int	Integer number.
tok_op	Binary-Operator.
tok_eol	End of line (new-line character)
tok_eof	End of file.
tok_obrace	(
tok_cbrace	)
tok_lambda	\
tok_atom
tok_literal	$
tok_if	'if'
tok_then	'then'
tok_else	'else'
tok_let	'let'
tok_in	'in'
tok_delim	';'
tok_any	'_'
tok_err	Error.

Function Documentation

getOperatorPrecedence()

int getOperatorPrecedence

(

Operator

op

)

Returns

Returns operator precedence of binary operator op