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internal/core/compile: prepare for let change
Lets will be treated as fields soon, so labelExpr
needs to be able to get a LetClause.
Signed-off-by: Marcel van Lohuizen <mpvl@gmail.com>
Change-Id: I4a975b75e57b2cb8c67dd41f209a2d837a223dd6
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/543359
Reviewed-by: Roger Peppe <rogpeppe@gmail.com>
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Unity-Result: CUEcueckoo <cueckoo@cuelang.org>
+4
-3
+4
-3
internal/core/compile/compile.go
+4
-3
internal/core/compile/compile.go
···
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type frame struct {
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label labeler // path name leading to this frame.
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scope ast.Node // *ast.File or *ast.Struct
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-
field *ast.Field
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+
field ast.Decl
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// scope map[ast.Node]bool
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upCount int32 // 1 for field, 0 for embedding.
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···
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// Excluded from cross-file resolution are:
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// - import specs
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// - aliases
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+
// - let declarations
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// - anything in an anonymous file
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//
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for _, f := range a {
···
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}
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}
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-
func (c *compiler) labeledExpr(f *ast.Field, lab labeler, expr ast.Expr) adt.Expr {
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+
func (c *compiler) labeledExpr(f ast.Decl, lab labeler, expr ast.Expr) adt.Expr {
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k := len(c.stack) - 1
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return c.labeledExprAt(k, f, lab, expr)
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}
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-
func (c *compiler) labeledExprAt(k int, f *ast.Field, lab labeler, expr ast.Expr) adt.Expr {
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+
func (c *compiler) labeledExprAt(k int, f ast.Decl, lab labeler, expr ast.Expr) adt.Expr {
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if c.stack[k].field != nil {
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panic("expected nil field")
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}