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compiler: fix interface bug

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yuyi 2020-03-14 21:19:56 +08:00 committed by GitHub
parent 217bbdfd66
commit 8bfa7f0d82
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 8 deletions
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8
vlib/compiler/fn.v
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@ -839,9 +839,15 @@ fn (p mut Parser) fn_call(f mut Fn, method_ph int, receiver_var, receiver_type s
idx = i idx = i
} }
} }
p.cgen.resetln('')
var := p.expr_var.name var := p.expr_var.name
iname := f.args[0].typ // Speaker iname := f.args[0].typ // Speaker
// remove useless var
if p.cgen.is_tmp {
p.cgen.tmp_line = p.cgen.tmp_line.replace(' $var', '')
}
else {
p.cgen.cur_line = p.cgen.cur_line.replace(' $var', '')
}
p.gen('(($f.typ (*)())(${iname}_name_table[${var}._interface_idx][$idx]))(${var}._object') p.gen('(($f.typ (*)())(${iname}_name_table[${var}._interface_idx][$idx]))(${var}._object')
receiver_is_interface = true receiver_is_interface = true
} }

4
vlib/compiler/tests/interface_test.v
View File

@ -33,6 +33,7 @@ fn perform_speak(s Speaker) {
assert true assert true
name := s.name() name := s.name()
assert name == 'Dog' || name == 'Cat' assert name == 'Dog' || name == 'Cat'
println(s.name())
} }
fn perform_speakers(speakers []Speaker) { fn perform_speakers(speakers []Speaker) {
@ -70,6 +71,3 @@ fn test_register() {
f.register() f.register()
handle_reg(f) handle_reg(f)
} }