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25 lines
579 B
Go
25 lines
579 B
Go
package functions
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import "honnef.co/go/tools/ssa"
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// Terminates reports whether fn is supposed to return, that is if it
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// has at least one theoretic path that returns from the function.
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// Explicit panics do not count as terminating.
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func Terminates(fn *ssa.Function) bool {
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if fn.Blocks == nil {
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// assuming that a function terminates is the conservative
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// choice
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return true
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}
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for _, block := range fn.Blocks {
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if len(block.Instrs) == 0 {
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continue
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}
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if _, ok := block.Instrs[len(block.Instrs)-1].(*ssa.Return); ok {
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return true
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}
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}
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return false
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}
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