linter

Documentation

Index

• Constants
• Variables
• type DirectorProps
• type LintError
  • func AccessDenined(t token.Token, name, scope string) *LintError
  • func Duplicated(t token.Token, name, ident string) *LintError
  • func ErrorCodeRange(t token.Token, code int64) *LintError
  • func FunctionArgumentMismatch(t token.Token, name string, expect, actual int) *LintError
  • func FunctionArgumentTypeMismatch(t token.Token, name string, num int, expect, actual types.Type) *LintError
  • func ImplicitTypeConversion(t token.Token, from, to types.Type) *LintError
  • func InvalidName(t token.Token, name, ident string) *LintError
  • func InvalidOperation(t token.Token, name, operation string) *LintError
  • func InvalidOperator(t token.Token, op string, left types.Type) *LintError
  • func InvalidReturnState(t token.Token, scope, state string, expects ...string) *LintError
  • func InvalidType(t token.Token, name string, expect, actual types.Type) *LintError
  • func InvalidTypeComparison(t token.Token, left, right types.Type) *LintError
  • func InvalidTypeConversion(t token.Token, vclType string) *LintError
  • func InvalidTypeExpression(t token.Token, actual types.Type, expects ...types.Type) *LintError
  • func InvalidTypeOperator(t token.Token, op string, expects ...types.Type) *LintError
  • func InvalidValue(t token.Token, tt, val string) *LintError
  • func NotFunction(t token.Token, name string) *LintError
  • func UndefinedAcl(t token.Token, name string) *LintError
  • func UndefinedBackend(t token.Token, name string) *LintError
  • func UndefinedBackendProperty(t token.Token, name string) *LintError
  • func UndefinedDirectorProperty(t token.Token, name, dt string) *LintError
  • func UndefinedFunction(t token.Token, name string) *LintError
  • func UndefinedSubroutine(t token.Token, name string) *LintError
  • func UndefinedTableType(t token.Token, name, tt string) *LintError
  • func UndefinedVariable(t token.Token, name string) *LintError
  • func (e *LintError) Error() string
  • func (l *LintError) Match(r Rule) *LintError
  • func (e *LintError) Ref(url string) *LintError
• type Linter
  • func New() *Linter
  • func (l *Linter) Error(err error)
  • func (l *Linter) Lint(node ast.Node, ctx *context.Context) types.Type
• type Rule
  • func (r Rule) Reference() string
• type Severity

Constants

const (
	ACL_SYNTAX                           = "acl/syntax"
	ACL_DUPLICATED                       = "acl/duplicated"
	BACKEND_SYNTAX                       = "backend/syntax"
	BACKEND_DUPLICATED                   = "backend/duplicated"
	BACKEND_NOTFOUND                     = "backend/notfound"
	DIRECTOR_SYNTAX                      = "director/syntax"
	DIRECTOR_DUPLICATED                  = "director/duplicated"
	DIRECTOR_PROPS_RANDOM                = "director/props-random"
	DIRECTOR_PROPS_FALLBACK              = "director/props-fallback"
	DIRECTOR_PROPS_HASH                  = "director/props-hash"
	DIRECTOR_PROPS_CLIENT                = "director/props-client"
	DIRECTOR_PROPS_CHASH                 = "director/props-chash"
	DIRECTOR_BACKEND_REQUIRED            = "director/backend-required"
	TABLE_SYNTAX                         = "table/syntax"
	TABLE_TYPE_VARIATION                 = "table/type-variation"
	TABLE_ITEM_LIMITATION                = "table/item-limitation"
	TABLE_DUPLICATED                     = "table/duplicated"
	SUBROUTINE_SYNTAX                    = "subroutine/syntax"
	SUBROUTINE_BOILERPLATE_MACRO         = "subroutine/boilerplate-macro"
	SUBROUTINE_DUPLICATED                = "subroutine/duplicated"
	DECLARE_STATEMENT_SYNTAX             = "declare-statement/syntax"
	DECLARE_STATEMENT_INVALID_TYPE       = "declare-statement/invalid-type"
	DECLARE_STATEMENT_DUPLICATED         = "declare-statement/duplicated"
	SET_STATEMENT_SYNTAX                 = "set-statement/syntax"
	OPERATOR_ASSIGNMENT                  = "operator/assignment"
	UNSET_STATEMENT_SYNTAX               = "unset-statement/syntax"
	REMOVE_STATEMENT_SYNTAX              = "remote-statement/syntax"
	OPERATOR_CONDITIONAL                 = "operator/conditional"
	RESTART_STATEMENT_SCOPE              = "restart-statement/scope"
	ADD_STATEMENT_SYNTAX                 = "add-statement/syntax"
	CALL_STATEMENT_SYNTAX                = "call-statement/syntax"
	CALL_STATEMENT_SUBROUTINE_NOTFOUND   = "call-statement/subroutine-notfound"
	ERROR_STATEMENT_SCOPE                = "error-statement/scope"
	ERROR_STATEMENT_CODE                 = "error-statement/code"
	SYNTHETIC_STATEMENT_SCOPE            = "synthetic-statement/scope"
	SYNTHETIC_BASE64_STATEMENT_SCOPE     = "synthetic-base64-statement/scope"
	CONDITION_LITERAL                    = "condition/literal"
	VALID_IP                             = "valid-ip"
	FUNCTION_ARGUMENS                    = "function/arguments"
	FUNCTION_ARGUMENT_TYPE               = "function/argument-type"
	INCLUDE_STATEMENT_MODULE_NOT_FOUND   = "include/module-not-found"
	INCLUDE_STATEMENT_MODULE_LOAD_FAILED = "include/module-load-failed"
	REGEX_MATCHED_VALUE_MAY_OVERRIDE     = "regex/matched-value-override"
)

Variables

var BackendProbePropertyTypes = map[string]types.Type{
	"dummy":             types.BoolType,
	"request":           types.StringType,
	"expected_response": types.IntegerType,
	"interval":          types.RTimeType,
	"timeout":           types.RTimeType,
	"window":            types.IntegerType,
	"initial":           types.IntegerType,
	"threshold":         types.IntegerType,
}

var BackendPropertyTypes = map[string]types.Type{
	"dynamic":                types.BoolType,
	"share_key":              types.StringType,
	"host":                   types.StringType,
	"port":                   types.StringType,
	"ssl":                    types.BoolType,
	"ssl_cert_hostname":      types.StringType,
	"ssl_check_cert":         types.IDType,
	"ssl_sni_hostname":       types.StringType,
	"between_bytes_timeout":  types.RTimeType,
	"connect_timeout":        types.RTimeType,
	"first_byte_timeout":     types.RTimeType,
	"max_connections":        types.IntegerType,
	"host_header":            types.StringType,
	"always_use_host_header": types.BoolType,
}

var DirectorPropertyTypes = map[string]DirectorProps{
	"random": {
		Rule: DIRECTOR_PROPS_RANDOM,
		Props: map[string]types.Type{
			"retries": types.IntegerType,
			"quorum":  types.StringType,
			"backend": types.BackendType,
			"weight":  types.IntegerType,
		},
		Requires: []string{"weight"},
	},
	"fallback": {
		Rule: DIRECTOR_PROPS_FALLBACK,
		Props: map[string]types.Type{
			"backend": types.BackendType,
		},
		Requires: []string{},
	},
	"hash": {
		Rule: DIRECTOR_PROPS_HASH,
		Props: map[string]types.Type{
			"quorum":  types.StringType,
			"backend": types.BackendType,
			"weight":  types.IntegerType,
		},
		Requires: []string{"weight"},
	},
	"client": {
		Rule: DIRECTOR_PROPS_CLIENT,
		Props: map[string]types.Type{
			"quorum":  types.StringType,
			"backend": types.BackendType,
			"weight":  types.IntegerType,
		},
		Requires: []string{"weight"},
	},
	"chash": {
		Rule: DIRECTOR_PROPS_CHASH,
		Props: map[string]types.Type{
			"key":             types.BackendType,
			"seed":            types.IntegerType,
			"vnodes_per_node": types.IntegerType,
			"quorum":          types.StringType,
			"weight":          types.IntegerType,
			"id":              types.StringType,
		},
		Requires: []string{"id"},
	},
}

var ValueTypeMap = map[string]types.Type{
	"INTEGER": types.IntegerType,
	"FLOAT":   types.FloatType,
	"BOOL":    types.BoolType,
	"ACL":     types.AclType,
	"BACKEND": types.BackendType,
	"IP":      types.IPType,
	"STRING":  types.StringType,
	"ID":      types.IDType,
	"RTIME":   types.RTimeType,
	"TIME":    types.TimeType,
}

Types

type DirectorProps

type DirectorProps struct {
	Rule     Rule
	Props    map[string]types.Type
	Requires []string
}

type LintError

type LintError struct {
	Severity  Severity
	Token     token.Token
	Message   string
	Reference string
	Rule      Rule
}

func AccessDenined

func AccessDenined(t token.Token, name, scope string) *LintError

func Duplicated

func Duplicated(t token.Token, name, ident string) *LintError

func ErrorCodeRange

func ErrorCodeRange(t token.Token, code int64) *LintError

func FunctionArgumentMismatch

func FunctionArgumentMismatch(t token.Token, name string, expect, actual int) *LintError

func FunctionArgumentTypeMismatch

func FunctionArgumentTypeMismatch(t token.Token, name string, num int, expect, actual types.Type) *LintError

func ImplicitTypeConversion

func ImplicitTypeConversion(t token.Token, from, to types.Type) *LintError

func InvalidName

func InvalidName(t token.Token, name, ident string) *LintError

func InvalidOperation

func InvalidOperation(t token.Token, name, operation string) *LintError

func InvalidOperator

func InvalidOperator(t token.Token, op string, left types.Type) *LintError

func InvalidReturnState

func InvalidReturnState(t token.Token, scope, state string, expects ...string) *LintError

func InvalidType

func InvalidType(t token.Token, name string, expect, actual types.Type) *LintError

func InvalidTypeComparison

func InvalidTypeComparison(t token.Token, left, right types.Type) *LintError

func InvalidTypeConversion

func InvalidTypeConversion(t token.Token, vclType string) *LintError

func InvalidTypeExpression

func InvalidTypeExpression(t token.Token, actual types.Type, expects ...types.Type) *LintError

func InvalidTypeOperator

func InvalidTypeOperator(t token.Token, op string, expects ...types.Type) *LintError

func InvalidValue

func InvalidValue(t token.Token, tt, val string) *LintError

func NotFunction

func NotFunction(t token.Token, name string) *LintError

func UndefinedAcl

func UndefinedAcl(t token.Token, name string) *LintError

func UndefinedBackend

func UndefinedBackend(t token.Token, name string) *LintError

func UndefinedBackendProperty

func UndefinedBackendProperty(t token.Token, name string) *LintError

func UndefinedDirectorProperty

func UndefinedDirectorProperty(t token.Token, name, dt string) *LintError

func UndefinedFunction

func UndefinedFunction(t token.Token, name string) *LintError

func UndefinedSubroutine

func UndefinedSubroutine(t token.Token, name string) *LintError

func UndefinedTableType

func UndefinedTableType(t token.Token, name, tt string) *LintError

func UndefinedVariable

func UndefinedVariable(t token.Token, name string) *LintError

func (*LintError) Error

func (e *LintError) Error() string

func (*LintError) Match

func (l *LintError) Match(r Rule) *LintError

func (*LintError) Ref

func (e *LintError) Ref(url string) *LintError

type Linter

type Linter struct {
	Errors []error
}

func New

func New() *Linter

func (*Linter) Error

func (l *Linter) Error(err error)

func (*Linter) Lint

func (l *Linter) Lint(node ast.Node, ctx *context.Context) types.Type

type Rule

type Rule string

func (Rule) Reference

func (r Rule) Reference() string

type Severity

type Severity string

const (
	WARNING Severity = "Warning"
	ERROR   Severity = "Error"
	INFO    Severity = "Info"
)