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29 lines
647 B
Go
29 lines
647 B
Go
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package testutils
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import (
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"go/ast"
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"github.com/GoASTScanner/gas"
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)
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// MockVisitor is useful for stubbing out ast.Visitor with callback
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// and looking for specific conditions to exist.
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type MockVisitor struct {
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Context *gas.Context
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Callback func(n ast.Node, ctx *gas.Context) bool
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}
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// NewMockVisitor creates a new empty struct, the Context and
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// Callback must be set manually. See call_list_test.go for an example.
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func NewMockVisitor() *MockVisitor {
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return &MockVisitor{}
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}
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// Visit satisfies the ast.Visitor interface
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func (v *MockVisitor) Visit(n ast.Node) ast.Visitor {
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if v.Callback(n, v.Context) {
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return v
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}
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return nil
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}
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