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all: support [noreturn] fn abc() { for{} }, mark panic/1 and exit/1with it too. (#10654)

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This commit is contained in:
Delyan Angelov
2021-07-04 20:24:19 +03:00
committed by GitHub
parent b0b4b8e65b
commit 6aecda3be8
23 changed files with 318 additions and 22 deletions
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4
vlib/v/parser/fn.v
View File

@@ -185,8 +185,10 @@ fn (mut p Parser) fn_decl() ast.FnDecl {
mut is_exported := false
mut is_unsafe := false
mut is_trusted := false
mut is_noreturn := false
for fna in p.attrs {
match fna.name {
'noreturn' { is_noreturn = true }
'manualfree' { is_manualfree = true }
'deprecated' { is_deprecated = true }
'direct_array_access' { is_direct_arr = true }
@@ -408,6 +410,7 @@ fn (mut p Parser) fn_decl() ast.FnDecl {
generic_names: generic_names
is_pub: is_pub
is_deprecated: is_deprecated
is_noreturn: is_noreturn
is_unsafe: is_unsafe
is_main: is_main
is_test: is_test
@@ -449,6 +452,7 @@ fn (mut p Parser) fn_decl() ast.FnDecl {
return_type: return_type
return_type_pos: return_type_pos
params: params
is_noreturn: is_noreturn
is_manualfree: is_manualfree
is_deprecated: is_deprecated
is_exported: is_exported

2
vlib/v/parser/tests/or_default_missing.out
View File

@@ -1,4 +1,4 @@
vlib/v/parser/tests/or_default_missing.vv:4:3: error: `or` block must provide a default value of type `int`, or return/exit/continue/break/panic
vlib/v/parser/tests/or_default_missing.vv:4:3: error: `or` block must provide a default value of type `int`, or return/continue/break or call a [noreturn] function like panic(err) or exit(1)
2 | m := [3, 4, 5]
3 | el := m[4] or {
4 | println('error')