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checker: verify json.decode type

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This commit is contained in:
Alexander Medvednikov 2021-09-08 14:48:57 +03:00
parent 55451baa03
commit 4a2728e1bf
1 changed files with 7 additions and 1 deletions
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8
vlib/v/checker/checker.v
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@ -2679,7 +2679,13 @@ pub fn (mut c Checker) fn_call(mut node ast.CallExpr) ast.Type {
return ast.void_type
}
expr := node.args[0].expr
if expr !is ast.TypeNode {
if expr is ast.TypeNode {
sym := c.table.get_type_symbol(expr.typ)
if !c.table.known_type(sym.name) {
c.error('json.decode: unknown type `$sym.name`', node.pos)
}
} else {
// if expr !is ast.TypeNode {
typ := expr.type_name()
c.error('json.decode: first argument needs to be a type, got `$typ`', node.pos)
return ast.void_type