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47 lines
782 B
47 lines
782 B
8 years ago
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package gogen
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import (
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"go/ast"
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"go/token"
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)
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type Range struct {
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Key Expression
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Value Expression
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RangeValue Expression
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Body []Statement
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DoNotDeclare bool
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}
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func (me Range) Statement() ast.Stmt {
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body := make([]ast.Stmt, len(me.Body))
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for i, bodyPart := range me.Body {
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body[i] = bodyPart.Statement()
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}
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var (
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key Expression = Var{"_"}
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value Expression = Var{"_"}
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)
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if me.Key != nil {
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key = me.Key
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}
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if me.Value != nil {
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value = me.Value
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}
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tok := token.DEFINE
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if me.DoNotDeclare || (me.Key == nil && me.Value == nil) {
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tok = token.ASSIGN
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}
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return &ast.RangeStmt{
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Key: key.Expression(),
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Value: value.Expression(),
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X: me.RangeValue.Expression(),
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Tok: tok,
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Body: &ast.BlockStmt{
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List: body,
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},
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}
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}
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