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Fix 'unreachable-code' false-positive, fixes #55154

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This commit is contained in:
Pawel Lampe
2021-11-21 15:53:21 +01:00
parent ed02b8af59
commit 86c0e38e8f
3 changed files with 19 additions and 5 deletions
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6
modules/gdscript/gdscript_parser.cpp
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@@ -1813,7 +1813,6 @@ GDScriptParser::MatchNode *GDScriptParser::parse_match() {
#ifdef DEBUG_ENABLED #ifdef DEBUG_ENABLED
bool all_have_return = true; bool all_have_return = true;
bool have_wildcard = false; bool have_wildcard = false;
bool wildcard_has_return = false;
bool have_wildcard_without_continue = false; bool have_wildcard_without_continue = false;
#endif #endif
@@ -1831,9 +1830,6 @@ GDScriptParser::MatchNode *GDScriptParser::parse_match() {
if (branch->has_wildcard) { if (branch->has_wildcard) {
have_wildcard = true; have_wildcard = true;
if (branch->block->has_return) {
wildcard_has_return = true;
}
if (!branch->block->has_continue) { if (!branch->block->has_continue) {
have_wildcard_without_continue = true; have_wildcard_without_continue = true;
} }
@@ -1848,7 +1844,7 @@ GDScriptParser::MatchNode *GDScriptParser::parse_match() {
consume(GDScriptTokenizer::Token::DEDENT, R"(Expected an indented block after "match" statement.)"); consume(GDScriptTokenizer::Token::DEDENT, R"(Expected an indented block after "match" statement.)");
#ifdef DEBUG_ENABLED #ifdef DEBUG_ENABLED
if (wildcard_has_return || (all_have_return && have_wildcard)) { if (all_have_return && have_wildcard) {
current_suite->has_return = true; current_suite->has_return = true;
} }
#endif #endif

16
modules/gdscript/tests/scripts/parser/warnings/unreachable_code_after_return_bug_55154.gd Normal file
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@@ -0,0 +1,16 @@
func test():
var foo := "bar"
match foo:
"baz":
return
_:
pass
match foo:
"baz":
return
match foo:
"bar":
pass
_:
return
print("reached")

2
modules/gdscript/tests/scripts/parser/warnings/unreachable_code_after_return_bug_55154.out Normal file
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@@ -0,0 +1,2 @@
GDTEST_OK
reached