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v.depgraph: fix ci/misc-tooling ./v -autofree -o v2 cmd/v task

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Delyan Angelov 2021-05-20 07:19:46 +03:00
parent f09a5135e9
commit b0de1f76e8
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GPG Key ID: 66886C0F12D595ED
1 changed files with 17 additions and 12 deletions
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29
vlib/v/depgraph/depgraph.v
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@ -148,6 +148,7 @@ mut:
}
pub fn (graph &DepGraph) display_cycles() string {
mut seen := false
mut out := []string{}
mut nn := NodeNames{}
for node in graph.nodes {
@ -158,7 +159,8 @@ pub fn (graph &DepGraph) display_cycles() string {
if k in nn.is_cycle {
continue
}
if nn.is_part_of_cycle(k, mut cycle_names) {
seen, cycle_names = nn.is_part_of_cycle(k, cycle_names)
if seen {
out << ' * ' + cycle_names.join(' -> ')
nn.is_cycle = map[string]bool{}
}
@ -166,29 +168,32 @@ pub fn (graph &DepGraph) display_cycles() string {
return out.join('\n')
}
fn (mut nn NodeNames) is_part_of_cycle(name string, mut already_seen []string) bool {
fn (mut nn NodeNames) is_part_of_cycle(name string, already_seen []string) (bool, []string) {
mut seen := false
mut new_already_seen := already_seen.clone()
if name in nn.is_cycle {
return nn.is_cycle[name]
return nn.is_cycle[name], new_already_seen
}
if name in already_seen {
already_seen << name
new_already_seen << name
nn.is_cycle[name] = true
return true
return true, new_already_seen
}
already_seen << name
new_already_seen << name
deps := nn.names[name]
if deps.len == 0 {
nn.is_cycle[name] = false
return false
return false, new_already_seen
}
for d in deps {
mut d_already_seen := already_seen.clone()
if nn.is_part_of_cycle(d, mut d_already_seen) {
already_seen = d_already_seen.clone()
mut d_already_seen := new_already_seen.clone()
seen, d_already_seen = nn.is_part_of_cycle(d, d_already_seen)
if seen {
new_already_seen = d_already_seen.clone()
nn.is_cycle[name] = true
return true
return true, new_already_seen
}
}
nn.is_cycle[name] = false
return false
return false, new_already_seen
}