213 lines
2.8 KiB
Go
213 lines
2.8 KiB
Go
package ast
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import "fmt"
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func PosError(n Node, filename, format string, v ...any) error {
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return fmt.Errorf(filename+":"+n.Pos().String()+": "+format, v...)
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}
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type Node interface {
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Pos() Position
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}
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type Position struct {
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Line int
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Col int
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}
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func (p Position) String() string {
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return fmt.Sprintf("%d:%d", p.Line, p.Col)
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}
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type Tag struct {
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Name Ident
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Params []Node
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HasBody bool
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Position Position
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}
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func (t Tag) Pos() Position {
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return t.Position
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}
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type ExprTag struct {
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Value Node
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Position Position
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}
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func (et ExprTag) Pos() Position {
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return et.Position
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}
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type EndTag struct {
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Name Ident
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Position Position
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}
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func (et EndTag) Pos() Position {
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return et.Position
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}
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type Text struct {
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Data []byte
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Position Position
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}
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func (t Text) Pos() Position {
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return t.Position
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}
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type Value struct {
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Node
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Not bool
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}
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type Expr struct {
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Segment Node
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Logical Logical
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Rest []Expr
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Position Position
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}
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func (e Expr) Pos() Position {
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return e.Position
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}
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type ExprSegment struct {
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Value Node
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Operator Operator
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Rest []ExprSegment
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Position Position
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}
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func (es ExprSegment) Pos() Position {
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return es.Position
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}
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type FuncCall struct {
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Name Ident
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Params []Node
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Position Position
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}
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func (fc FuncCall) Pos() Position {
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return fc.Position
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}
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type MethodCall struct {
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Value Node
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Name Ident
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Params []Node
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Position Position
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}
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func (mc MethodCall) Pos() Position {
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return mc.Position
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}
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type FieldAccess struct {
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Value Node
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Name Ident
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Position Position
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}
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func (fa FieldAccess) Pos() Position {
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return fa.Position
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}
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type Index struct {
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Value Node
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Index Node
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Position Position
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}
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func (i Index) Pos() Position {
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return i.Position
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}
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type Ident struct {
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Value string
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Position Position
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}
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func (id Ident) Pos() Position {
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return id.Position
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}
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type String struct {
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Value string
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Position Position
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}
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func (s String) Pos() Position {
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return s.Position
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}
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type Float struct {
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Value float64
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Position Position
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}
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func (f Float) Pos() Position {
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return f.Position
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}
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type Integer struct {
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Value int64
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Position Position
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}
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func (i Integer) Pos() Position {
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return i.Position
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}
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type Bool struct {
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Value bool
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Position Position
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}
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func (b Bool) Pos() Position {
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return b.Position
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}
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type Op interface {
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Op() string
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}
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type Operator struct {
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Value string
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Position Position
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}
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func (op Operator) Pos() Position {
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return op.Position
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}
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func (op Operator) Op() string {
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return op.Value
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}
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type Logical struct {
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Value string
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Position Position
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}
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func (l Logical) Pos() Position {
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return l.Position
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}
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func (l Logical) Op() string {
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return l.Value
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}
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type Ternary struct {
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Condition Node
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IfTrue Node
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Else Node
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Position Position
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}
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func (t Ternary) Pos() Position {
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return t.Position
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}
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