scanner

package module

v1.0.0 Latest Latest Go to latest Published: Feb 5, 2023 License: Apache-2.0 Imports: 6 Imported by: 1

Details

Valid go.mod file

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Repository

github.com/boynton/scanner

Links

Open Source Insights

README ¶

scanner

A text scanner utility/

Documentation ¶

Overview ¶

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index ¶

Constants
func FormattedAnnotation(filename string, source string, prefix string, msg string, tok *Token, ...) string
func IsDigit(ch rune) bool
func IsLetter(ch rune) bool
func IsLowercaseLetter(ch rune) bool
func IsSymbolChar(ch rune, first bool) bool
func IsUppercaseLetter(ch rune) bool
func IsWhitespace(ch rune) bool
type Scanner
- func NewScanner(r io.Reader) *Scanner
- func (s *Scanner) Scan() Token
type Token
type TokenType
- func (tokenType TokenType) String() string

Constants ¶

View Source

const BLACK = "\033[0;0m"

View Source

const BLUE = "\033[94m"

View Source

const GREEN = "\033[92m"

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const RED = "\033[0;31m"

View Source

const YELLOW = "\033[0;33m"

Variables ¶

This section is empty.

Functions ¶

func FormattedAnnotation ¶

func FormattedAnnotation(filename string, source string, prefix string, msg string, tok *Token, color string, contextSize int) string

func IsDigit ¶

func IsDigit(ch rune) bool

func IsLetter ¶

func IsLetter(ch rune) bool

func IsLowercaseLetter ¶

func IsLowercaseLetter(ch rune) bool

func IsSymbolChar ¶

func IsSymbolChar(ch rune, first bool) bool

func IsUppercaseLetter ¶

func IsUppercaseLetter(ch rune) bool

func IsWhitespace ¶

func IsWhitespace(ch rune) bool

Types ¶

type Scanner ¶

type Scanner struct {
	// contains filtered or unexported fields
}

func NewScanner ¶

func NewScanner(r io.Reader) *Scanner

func (*Scanner) Scan ¶

func (s *Scanner) Scan() Token

type Token ¶

type Token struct {
	Type  TokenType
	Text  string
	Line  int
	Start int
}

func (Token) IsNumeric ¶

func (tok Token) IsNumeric() bool

func (Token) IsText ¶

func (tok Token) IsText() bool

func (Token) String ¶

func (tok Token) String() string

type TokenType ¶

type TokenType int

const (
	UNDEFINED TokenType = iota
	EOF
	LINE_COMMENT
	BLOCK_COMMENT
	SYMBOL
	NUMBER
	STRING
	COLON
	SEMICOLON
	COMMA
	AT
	DOT
	EQUALS
	DOLLAR
	QUOTE
	SLASH
	QUESTION
	OPEN_BRACE
	CLOSE_BRACE
	OPEN_BRACKET
	CLOSE_BRACKET
	OPEN_PAREN
	CLOSE_PAREN
	OPEN_ANGLE
	CLOSE_ANGLE
	NEWLINE
	HASH
	AMPERSAND
	STAR
	BACKQUOTE
	TILDE
	BANG
)

func (TokenType) String ¶

func (tokenType TokenType) String() string

Source Files ¶

View all Source files

scanner.go

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