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compiler: allow to use switch without tag

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This commit is contained in:
Evgenii Stratonikov 2020-08-24 18:55:30 +03:00
parent e58616b975
commit 354645fbe3
2 changed files with 22 additions and 3 deletions
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10
pkg/compiler/codegen.go
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@ -578,9 +578,13 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
return nil
case *ast.SwitchStmt:
ast.Walk(c, n.Tag)
eqOpcode, _ := convertToken(token.EQL, c.typeOf(n.Tag))
eqOpcode := opcode.EQUAL
if n.Tag != nil {
ast.Walk(c, n.Tag)
eqOpcode, _ = convertToken(token.EQL, c.typeOf(n.Tag))
} else {
emit.Bool(c.prog.BinWriter, true)
}
switchEnd, label := c.generateLabel(labelEnd)
lastSwitch := c.currentSwitch