parser

package

v0.17.0 Latest Latest Go to latest Published: Aug 16, 2025 License: MIT Imports: 17 Imported by: 0

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Repository

github.com/chaisql/chai

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Documentation ¶

Index ¶

func MustParseExpr(s string) expr.Expr
func ParseExpr(s string) (expr.Expr, error)
func ParseQuery(s string) (query.Query, error)
type ParseError
- func (e *ParseError) Error() string
type Parser
- func NewParser(r io.Reader) *Parser

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func MustParseExpr ¶

func MustParseExpr(s string) expr.Expr

MustParseExpr calls ParseExpr and panics if it returns an error.

func ParseExpr ¶

func ParseExpr(s string) (expr.Expr, error)

ParseExpr parses an expression.

func ParseQuery ¶

func ParseQuery(s string) (query.Query, error)

ParseQuery parses a query string and returns its AST representation.

Types ¶

type ParseError ¶

type ParseError struct {
	Message  string
	Found    string
	Expected []string
	Pos      scanner.Pos
}

ParseError represents an error that occurred during parsing.

func (*ParseError) Error ¶

func (e *ParseError) Error() string

Error returns the string representation of the error.

type Parser ¶

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

Parser represents an Chai SQL Parser.

func NewParser ¶

func NewParser(r io.Reader) *Parser

NewParser returns a new instance of Parser.

func (*Parser) Parse ¶

func (p *Parser) Parse(fn func(statement.Statement) error) error

ParseQuery parses a Chai SQL string and returns a Query.

func (*Parser) ParseExpr ¶

func (p *Parser) ParseExpr() (e expr.Expr, err error)

ParseExpr parses an expression.

func (*Parser) ParseQuery ¶

func (p *Parser) ParseQuery() (query.Query, error)

ParseQuery parses a Chai SQL string and returns a Query.

func (*Parser) ParseStatement ¶

func (p *Parser) ParseStatement() (statement.Statement, error)

ParseStatement parses a Chai SQL string and returns a statement.

func (*Parser) ParseTokens ¶ added in v0.17.0

func (p *Parser) ParseTokens(tokens ...scanner.Token) error

ParseTokens parses all the given tokens one after the other. It returns an error if one of the token is missing.

func (*Parser) Scan ¶

func (p *Parser) Scan() (tok scanner.Token, pos scanner.Pos, lit string)

Scan returns the next token from the underlying scanner.

func (*Parser) ScanIgnoreWhitespace ¶

func (p *Parser) ScanIgnoreWhitespace() (tok scanner.Token, pos scanner.Pos, lit string)

ScanIgnoreWhitespace scans the next non-whitespace and non-comment token.

func (*Parser) Unscan ¶

func (p *Parser) Unscan()

Unscan pushes the previously read token back onto the buffer.

Source Files ¶

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