parent
8cb01ba8db
commit
09cff69919
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@ -3724,7 +3724,7 @@ fn (mut g Gen) map_init(node ast.MapInit) {
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key_typ_str := g.typ(node.key_type)
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value_typ_str := g.typ(node.value_type)
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value_typ := g.table.get_type_symbol(node.value_type)
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key_typ := g.table.get_type_symbol(node.key_type)
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key_typ := g.table.get_final_type_symbol(node.key_type)
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hash_fn, key_eq_fn, clone_fn, free_fn := g.map_fn_ptrs(key_typ)
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size := node.vals.len
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mut shared_styp := '' // only needed for shared &[]{...}
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@ -73,12 +73,18 @@ pub fn (mut p Parser) parse_map_type() table.Type {
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}
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p.check(.lsbr)
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key_type := p.parse_type()
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is_alias := p.table.get_type_symbol(key_type).kind == .alias
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if key_type.idx() == 0 {
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// error is reported in parse_type
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return 0
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}
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if !(key_type in [table.string_type_idx, table.voidptr_type_idx]
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if is_alias && !(key_type in [table.string_type_idx, table.voidptr_type_idx]
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|| ((key_type.is_int() || key_type.is_float()) && !key_type.is_ptr())) {
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p.error('cannot use the alias type as the parent type is unsupported')
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return 0
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}
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if !(key_type in [table.string_type_idx, table.voidptr_type_idx]
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|| ((key_type.is_int() || key_type.is_float() || is_alias) && !key_type.is_ptr())) {
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s := p.table.type_to_str(key_type)
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p.error_with_pos('maps only support string, integer, float, rune or voidptr keys for now (not `$s`)',
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p.tok.position())
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@ -550,7 +550,7 @@ pub fn (t &TypeSymbol) is_pointer() bool {
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[inline]
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pub fn (t &TypeSymbol) is_int() bool {
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return t.kind in [.i8, .i16, .int, .i64, .byte, .u16, .u32, .u64, .int_literal]
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return t.kind in [.i8, .i16, .int, .i64, .byte, .u16, .u32, .u64, .int_literal, .rune]
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}
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[inline]
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@ -0,0 +1,22 @@
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type Type = int
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type RType = rune
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fn test_map_key_alias() {
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mut m_int := map{12: '12', 2: '2'}
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m_int[14] = '14'
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m_int[Type(15)] = '15'
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assert m_int.str() == "{12: '12', 2: '2', 14: '14', 15: '15'}"
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//// /// ///// //
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mut m_rune := map{`a`: '12', `l`: '14'}
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m_rune[`g`] = '12'
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m_rune[RType(`$`)] = '16'
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assert m_rune.str() == "{`a`: '12', `l`: '14', `g`: '12', `$`: '16'}"
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}
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fn test_map_alias_key_init() {
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m_int := map{Type(12): '12', Type(2): '2'}
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assert m_int.str() == "{12: '12', 2: '2'}"
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//// // ///// //
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m_rune := map{RType(`a`): '12', RType(`l`): '14'}
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assert m_rune.str() == "{`a`: '12', `l`: '14'}"
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}
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