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cgen: minor sum type fix

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This commit is contained in:
Alexander Medvednikov 2020-03-16 05:02:41 +01:00
parent ac0b235d3a
commit 66adf7a6b9
4 changed files with 7 additions and 4 deletions
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2
vlib/v/gen/cgen.v
View File

@ -1014,7 +1014,7 @@ fn (g mut Gen) match_expr(node ast.MatchExpr) {
match fe {
ast.Type {
it_type := g.typ(it.typ)
g.writeln('$it_type* it = ($it_type*)tmp3.obj; // ST it')
g.writeln('$it_type* it = ($it_type*)${tmp}.obj; // ST it')
}
else {
verror('match sum type')

6
vlib/v/gen/tests/3.c
View File

@ -41,11 +41,11 @@ void println(string s) {
void handle_expr(Expr e) {
Expr tmp1 = e;
if (tmp1.typ == _type_idx_IfExpr) {
IfExpr* it = (IfExpr*)tmp3.obj; // ST it
IfExpr* it = (IfExpr*)tmp1.obj; // ST it
println(tos3("if"));
}
else if (tmp1.typ == _type_idx_IntegerLiteral) {
IntegerLiteral* it = (IntegerLiteral*)tmp3.obj; // ST it
IntegerLiteral* it = (IntegerLiteral*)tmp1.obj; // ST it
println(tos3("integer"));
}
else {
@ -62,5 +62,7 @@ int main() {
user.name = tos3("bob");
Option_int n = get_opt();
int a = /*opt*/(*(int*)n.data) + 3;
handle_expr((IfExpr){
0});
return 0;
}

1
vlib/v/gen/tests/3.vv
View File

@ -46,4 +46,5 @@ fn main() {
return
}
a := n + 3
handle_expr(IfExpr{})
}

2
vlib/v/parser/parser.v
View File

@ -1620,7 +1620,7 @@ fn (p mut Parser) match_expr() ast.MatchExpr {
}
p.scope.register_var(ast.Var{
name: 'it'
typ: typ
typ: table.type_to_ptr(typ)
})
// TODO
if p.tok.kind == .comma {