expressions

package
v0.5.0 Latest Latest
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Published: Nov 20, 2018 License: MIT Imports: 5 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

func NewDataSource added in v0.4.0

func NewDataSource(
	src core.SourceMap,
	valVariable,
	keyVariable string,
	exp core.Expression,
) (collections.Iterable, error)

Types

type BlockExpression

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

func NewBlockExpression

func NewBlockExpression(values collections.Iterable) (*BlockExpression, error)

func (*BlockExpression) Add

func (exp *BlockExpression) Add(stmt core.Expression)

func (*BlockExpression) Exec

func (exp *BlockExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

func (*BlockExpression) Iterate added in v0.5.0

func (exp *BlockExpression) Iterate(ctx context.Context, scope *core.Scope) (collections.Iterator, error)

type BodyExpression added in v0.5.0

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

func NewBodyExpression added in v0.5.0

func NewBodyExpression(size int) *BodyExpression

func (*BodyExpression) Add added in v0.5.0

func (b *BodyExpression) Add(exp core.Expression) error

func (*BodyExpression) Exec added in v0.5.0

func (b *BodyExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

type ConditionExpression

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

func NewConditionExpression

func NewConditionExpression(
	src core.SourceMap,
	test core.Expression,
	consequent core.Expression,
	alternate core.Expression,
) (*ConditionExpression, error)

func (*ConditionExpression) Exec

func (e *ConditionExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

type DataSource added in v0.4.0

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

func (*DataSource) Iterate added in v0.4.0

func (ds *DataSource) Iterate(ctx context.Context, scope *core.Scope) (collections.Iterator, error)

type ForExpression

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

func NewForExpression

func NewForExpression(
	src core.SourceMap,
	dataSource collections.Iterable,
	predicate core.Expression,
	distinct,
	spread bool,
) (*ForExpression, error)

func (*ForExpression) AddCollect added in v0.4.0

func (e *ForExpression) AddCollect(src core.SourceMap, params *clauses.Collect) error

func (*ForExpression) AddFilter

func (e *ForExpression) AddFilter(src core.SourceMap, exp core.Expression) error

func (*ForExpression) AddLimit

func (e *ForExpression) AddLimit(src core.SourceMap, size, count core.Expression) error

func (*ForExpression) AddSort

func (e *ForExpression) AddSort(src core.SourceMap, sorters ...*clauses.SorterExpression) error

func (*ForExpression) AddStatement added in v0.5.0

func (e *ForExpression) AddStatement(stmt core.Expression) error

func (*ForExpression) Exec

func (e *ForExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

type FunctionCallExpression

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

func NewFunctionCallExpression

func NewFunctionCallExpression(
	src core.SourceMap,
	fun core.Function,
	args ...core.Expression,
) (*FunctionCallExpression, error)

func (*FunctionCallExpression) Arguments added in v0.4.0

func (e *FunctionCallExpression) Arguments() []core.Expression

func (*FunctionCallExpression) Exec

func (e *FunctionCallExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

func (*FunctionCallExpression) Function added in v0.4.0

func (e *FunctionCallExpression) Function() core.Function

type MemberExpression

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

func NewMemberExpression

func NewMemberExpression(src core.SourceMap, variableName string, path []core.Expression) (*MemberExpression, error)

func (*MemberExpression) Exec

func (e *MemberExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

type ParameterExpression

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

func NewParameterExpression

func NewParameterExpression(src core.SourceMap, name string) (*ParameterExpression, error)

func (*ParameterExpression) Exec

type ReturnExpression

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

func NewReturnExpression

func NewReturnExpression(
	src core.SourceMap,
	predicate core.Expression,
) (*ReturnExpression, error)

func (*ReturnExpression) Exec

func (e *ReturnExpression) Exec(ctx context.Context, scope *core.Scope) (core.Value, error)

type VariableDeclarationExpression

type VariableDeclarationExpression struct {
	*VariableExpression
	// contains filtered or unexported fields
}

func NewVariableDeclarationExpression

func NewVariableDeclarationExpression(src core.SourceMap, name string, init core.Expression) (*VariableDeclarationExpression, error)

func (*VariableDeclarationExpression) Exec

type VariableExpression

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

func NewVariableExpression

func NewVariableExpression(src core.SourceMap, name string) (*VariableExpression, error)

func (*VariableExpression) Exec

func (e *VariableExpression) Exec(_ context.Context, scope *core.Scope) (core.Value, error)

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