632 lines
21 KiB
V
632 lines
21 KiB
V
// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module checker
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import v.ast
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import v.token
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pub fn (mut c Checker) check_expected_call_arg(got ast.Type, expected_ ast.Type, language ast.Language) ? {
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mut expected := expected_
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// variadic
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if expected.has_flag(.variadic) {
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exp_type_sym := c.table.get_type_symbol(expected_)
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exp_info := exp_type_sym.info as ast.Array
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expected = exp_info.elem_type
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}
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if language == .c {
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// allow number types to be used interchangeably
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if got.is_number() && expected.is_number() {
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return
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}
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// mode_t - currently using u32 as mode_t for C fns
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// if got.idx() in [ast.int_type_idx, ast.u32_type_idx] && expected.idx() in [ast.int_type_idx, ast.u32_type_idx] {
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// return
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// }
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// allow number to be used as size_t
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if got.is_number() && expected.idx() == ast.size_t_type_idx {
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return
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}
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// allow bool & int to be used interchangeably for C functions
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if (got.idx() == ast.bool_type_idx
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&& expected.idx() in [ast.int_type_idx, ast.int_literal_type_idx])
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|| (expected.idx() == ast.bool_type_idx
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&& got.idx() in [ast.int_type_idx, ast.int_literal_type_idx]) {
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return
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}
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// allow `C.printf('foo')` instead of `C.printf(c'foo')`
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if got.idx() == ast.string_type_idx
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&& (expected in [ast.byteptr_type_idx, ast.charptr_type_idx]
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|| (expected.idx() == ast.char_type_idx && expected.is_ptr())) {
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return
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}
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exp_sym := c.table.get_type_symbol(expected)
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// unknown C types are set to int, allow int to be used for types like `&C.FILE`
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// eg. `C.fflush(C.stderr)` - error: cannot use `int` as `&C.FILE` in argument 1 to `C.fflush`
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if expected.is_ptr() && exp_sym.language == .c && exp_sym.kind in [.placeholder, .struct_]
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&& got == ast.int_type_idx {
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return
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}
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// return
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}
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if c.check_types(got, expected) {
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return
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}
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idx_got := got.idx()
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idx_expected := expected.idx()
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if idx_got in [ast.byteptr_type_idx, ast.charptr_type_idx]
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|| idx_expected in [ast.byteptr_type_idx, ast.charptr_type_idx] {
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igot := int(got)
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iexpected := int(expected)
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// TODO: remove; transitional compatibility for byteptr === &byte
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if (igot == ast.byteptr_type_idx && iexpected == 65545)
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|| (iexpected == ast.byteptr_type_idx && igot == 65545) {
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return
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}
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// TODO: remove; transitional compatibility for charptr === &char
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if (igot == ast.charptr_type_idx && iexpected == 65551)
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|| (iexpected == ast.charptr_type_idx && igot == 65551) {
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return
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}
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muls_got := got.nr_muls()
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muls_expected := expected.nr_muls()
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if idx_got == ast.byteptr_type_idx && idx_expected == ast.byte_type_idx
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&& muls_got + 1 == muls_expected {
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return
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}
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if idx_expected == ast.byteptr_type_idx && idx_got == ast.byte_type_idx
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&& muls_expected + 1 == muls_got {
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return
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}
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if idx_got == ast.charptr_type_idx && idx_expected == ast.char_type_idx
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&& muls_got + 1 == muls_expected {
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return
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}
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if idx_expected == ast.charptr_type_idx && idx_got == ast.char_type_idx
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&& muls_expected + 1 == muls_got {
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return
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}
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}
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return error('cannot use `${c.table.type_to_str(got.clear_flag(.variadic))}` as `${c.table.type_to_str(expected.clear_flag(.variadic))}`')
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}
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pub fn (mut c Checker) check_basic(got ast.Type, expected ast.Type) bool {
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unalias_got, unalias_expected := c.table.unalias_num_type(got), c.table.unalias_num_type(expected)
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if unalias_got.idx() == unalias_expected.idx() {
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// this is returning true even if one type is a ptr
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// and the other is not, is this correct behaviour?
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return true
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}
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if (unalias_expected.is_pointer() || unalias_expected.is_number())
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&& (unalias_got.is_pointer() || unalias_got.is_number()) {
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return true
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}
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// allow pointers to be initialized with 0. TODO: use none instead
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if expected.is_ptr() && unalias_got == ast.int_literal_type {
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return true
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}
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// TODO: use sym so it can be absorbed into below [.voidptr, .any] logic
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if expected.idx() == ast.array_type_idx || got.idx() == ast.array_type_idx {
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return true
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}
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got_sym, exp_sym := c.table.get_type_symbol(got), c.table.get_type_symbol(expected)
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// array/map as argument
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if got_sym.kind in [.array, .map, .array_fixed] && exp_sym.kind == got_sym.kind {
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if c.table.type_to_str(got) == c.table.type_to_str(expected).trim('&') {
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return true
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}
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}
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if !unalias_got.is_ptr() && got_sym.kind == .array_fixed
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&& (unalias_expected.is_pointer() || unalias_expected.is_ptr()) {
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// fixed array needs to be a struct, not a pointer
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return false
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}
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if exp_sym.kind in [.voidptr, .any] || got_sym.kind in [.voidptr, .any] {
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return true
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}
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// sum type
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if c.table.sumtype_has_variant(expected, c.table.mktyp(got)) {
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return true
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}
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// type alias
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if (got_sym.kind == .alias && got_sym.parent_idx == expected.idx())
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|| (exp_sym.kind == .alias && exp_sym.parent_idx == got.idx()) {
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return true
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}
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// fn type
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if got_sym.kind == .function && exp_sym.kind == .function {
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return c.check_matching_function_symbols(got_sym, exp_sym)
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}
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// allow using Error as a string for now (avoid a breaking change)
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if got == ast.error_type_idx && expected == ast.string_type_idx {
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return true
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}
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// allow `return 0` in a function with `?int` return type
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expected_nonflagged := expected.clear_flags()
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if got == ast.int_literal_type && expected_nonflagged.is_int() {
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return true
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}
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// allow `return 0` in a function with `?f32` return type
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if got == ast.float_literal_type && expected_nonflagged.is_float() {
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return true
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}
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return false
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}
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pub fn (mut c Checker) check_matching_function_symbols(got_type_sym &ast.TypeSymbol, exp_type_sym &ast.TypeSymbol) bool {
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got_info := got_type_sym.info as ast.FnType
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exp_info := exp_type_sym.info as ast.FnType
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got_fn := got_info.func
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exp_fn := exp_info.func
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// we are using check() to compare return type & args as they might include
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// functions themselves. TODO: optimize, only use check() when needed
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if got_fn.params.len != exp_fn.params.len {
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return false
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}
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if !c.check_basic(got_fn.return_type, exp_fn.return_type) {
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return false
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}
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for i, got_arg in got_fn.params {
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exp_arg := exp_fn.params[i]
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exp_arg_is_ptr := exp_arg.typ.is_ptr() || exp_arg.typ.is_pointer()
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got_arg_is_ptr := got_arg.typ.is_ptr() || got_arg.typ.is_pointer()
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if exp_arg_is_ptr != got_arg_is_ptr {
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exp_arg_pointedness := if exp_arg_is_ptr { 'a pointer' } else { 'NOT a pointer' }
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got_arg_pointedness := if got_arg_is_ptr { 'a pointer' } else { 'NOT a pointer' }
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c.add_error_detail('`$exp_fn.name`\'s expected fn argument: `$exp_arg.name` is $exp_arg_pointedness, but the passed fn argument: `$got_arg.name` is $got_arg_pointedness')
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return false
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}
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if !c.check_basic(got_arg.typ, exp_arg.typ) {
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return false
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}
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}
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return true
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}
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[inline]
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fn (mut c Checker) check_shift(left_type ast.Type, right_type ast.Type, left_pos token.Position, right_pos token.Position) ast.Type {
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if !left_type.is_int() {
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// maybe it's an int alias? TODO move this to is_int() ?
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sym := c.table.get_type_symbol(left_type)
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if sym.kind == .alias && (sym.info as ast.Alias).parent_type.is_int() {
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return left_type
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}
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if c.pref.translated && left_type == ast.bool_type {
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// allow `bool << 2` in translated C code
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return ast.int_type
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}
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c.error('invalid operation: shift on type `$sym.name`', left_pos)
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return ast.void_type
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} else if !right_type.is_int() {
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c.error('cannot shift non-integer type `${c.table.get_type_symbol(right_type).name}` into type `${c.table.get_type_symbol(left_type).name}`',
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right_pos)
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return ast.void_type
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}
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return left_type
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}
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pub fn (mut c Checker) promote(left_type ast.Type, right_type ast.Type) ast.Type {
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if left_type.is_ptr() || left_type.is_pointer() {
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if right_type.is_int() {
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return left_type
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} else {
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return ast.void_type
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}
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} else if right_type.is_ptr() || right_type.is_pointer() {
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if left_type.is_int() {
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return right_type
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} else {
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return ast.void_type
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}
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}
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if left_type == right_type {
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return left_type // strings, self defined operators
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}
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if right_type.is_number() && left_type.is_number() {
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return c.promote_num(left_type, right_type)
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} else if left_type.has_flag(.optional) != right_type.has_flag(.optional) {
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// incompatible
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return ast.void_type
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} else {
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return left_type // default to left if not automatic promotion possible
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}
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}
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fn (c &Checker) promote_num(left_type ast.Type, right_type ast.Type) ast.Type {
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// sort the operands to save time
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mut type_hi := left_type
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mut type_lo := right_type
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if type_hi.idx() < type_lo.idx() {
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type_hi, type_lo = type_lo, type_hi
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}
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idx_hi := type_hi.idx()
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idx_lo := type_lo.idx()
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// the following comparisons rely on the order of the indices in table/types.v
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if idx_hi == ast.int_literal_type_idx {
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return type_lo
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} else if idx_hi == ast.float_literal_type_idx {
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if idx_lo in ast.float_type_idxs {
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return type_lo
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} else {
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return ast.void_type
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}
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} else if type_hi.is_float() {
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if idx_hi == ast.f32_type_idx {
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if idx_lo in [ast.i64_type_idx, ast.u64_type_idx] {
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return ast.void_type
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} else {
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return type_hi
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}
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} else { // f64, float_literal
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return type_hi
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}
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} else if idx_lo >= ast.byte_type_idx { // both operands are unsigned
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return type_hi
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} else if idx_lo >= ast.i8_type_idx
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&& (idx_hi <= ast.i64_type_idx || idx_hi == ast.rune_type_idx) { // both signed
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return if idx_lo == ast.i64_type_idx { type_lo } else { type_hi }
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} else if idx_hi - idx_lo < (ast.byte_type_idx - ast.i8_type_idx) {
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return type_lo // conversion unsigned -> signed if signed type is larger
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} else {
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return ast.void_type // conversion signed -> unsigned not allowed
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}
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}
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// TODO: promote(), check_types(), symmetric_check() and check() overlap - should be rearranged
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pub fn (mut c Checker) check_types(got ast.Type, expected ast.Type) bool {
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if got == expected {
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return true
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}
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got_is_ptr := got.is_ptr()
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exp_is_ptr := expected.is_ptr()
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if got_is_ptr && exp_is_ptr {
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if got.nr_muls() != expected.nr_muls() {
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return false
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}
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}
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exp_idx := expected.idx()
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got_idx := got.idx()
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if exp_idx == got_idx {
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return true
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}
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if exp_idx == ast.voidptr_type_idx || exp_idx == ast.byteptr_type_idx
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|| (expected.is_ptr() && expected.deref().idx() == ast.byte_type_idx) {
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if got.is_ptr() || got.is_pointer() {
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return true
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}
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}
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// allow direct int-literal assignment for pointers for now
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// maybe in the future optionals should be used for that
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if expected.is_ptr() || expected.is_pointer() {
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if got == ast.int_literal_type {
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return true
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}
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}
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if got_idx == ast.voidptr_type_idx || got_idx == ast.byteptr_type_idx
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|| (got_idx == ast.byte_type_idx && got.is_ptr()) {
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if expected.is_ptr() || expected.is_pointer() {
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return true
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}
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}
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if expected == ast.charptr_type && got == ast.char_type.to_ptr() {
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return true
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}
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if !c.check_basic(got, expected) { // TODO: this should go away...
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return false
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}
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if got.is_number() && expected.is_number() {
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if got == ast.rune_type && expected == ast.byte_type {
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return true
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} else if expected == ast.rune_type && got == ast.byte_type {
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return true
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}
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if c.promote_num(expected, got) != expected {
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// println('could not promote ${c.table.get_type_symbol(got).name} to ${c.table.get_type_symbol(expected).name}')
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return false
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}
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}
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if expected.has_flag(.generic) {
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return false
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}
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return true
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}
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pub fn (mut c Checker) check_expected(got ast.Type, expected ast.Type) ? {
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if !c.check_types(got, expected) {
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return error(c.expected_msg(got, expected))
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}
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}
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[inline]
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fn (c &Checker) expected_msg(got ast.Type, expected ast.Type) string {
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exps := c.table.type_to_str(expected)
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gots := c.table.type_to_str(got)
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return 'expected `$exps`, not `$gots`'
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}
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pub fn (mut c Checker) symmetric_check(left ast.Type, right ast.Type) bool {
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// allow direct int-literal assignment for pointers for now
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// maybe in the future optionals should be used for that
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if right.is_ptr() || right.is_pointer() {
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if left == ast.int_literal_type {
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return true
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}
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}
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// allow direct int-literal assignment for pointers for now
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if left.is_ptr() || left.is_pointer() {
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if right == ast.int_literal_type {
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return true
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}
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}
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return c.check_basic(left, right)
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}
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pub fn (mut c Checker) get_default_fmt(ftyp ast.Type, typ ast.Type) byte {
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if ftyp.has_flag(.optional) {
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return `s`
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} else if typ.is_float() {
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return `g`
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} else if typ.is_signed() || typ.is_int_literal() {
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return `d`
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} else if typ.is_unsigned() {
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return `u`
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} else if typ.is_pointer() {
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return `p`
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} else {
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mut sym := c.table.get_type_symbol(c.unwrap_generic(ftyp))
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if sym.kind == .alias {
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// string aliases should be printable
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info := sym.info as ast.Alias
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sym = c.table.get_type_symbol(info.parent_type)
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if info.parent_type == ast.string_type {
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return `s`
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}
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}
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if sym.kind == .function {
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return `s`
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}
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if ftyp in [ast.string_type, ast.bool_type]
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|| sym.kind in [.enum_, .array, .array_fixed, .struct_, .map, .multi_return, .sum_type, .interface_, .none_]
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|| ftyp.has_flag(.optional) || sym.has_method('str') {
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return `s`
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} else {
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return `_`
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}
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}
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}
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pub fn (mut c Checker) fail_if_unreadable(expr ast.Expr, typ ast.Type, what string) {
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mut pos := token.Position{}
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match expr {
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ast.Ident {
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if typ.has_flag(.shared_f) {
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if expr.name !in c.rlocked_names && expr.name !in c.locked_names {
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action := if what == 'argument' { 'passed' } else { 'used' }
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c.error('`$expr.name` is `shared` and must be `rlock`ed or `lock`ed to be $action as non-mut $what',
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expr.pos)
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}
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}
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return
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}
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ast.SelectorExpr {
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pos = expr.pos
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if typ.has_flag(.shared_f) {
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expr_name := '${expr.expr}.$expr.field_name'
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if expr_name !in c.rlocked_names && expr_name !in c.locked_names {
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action := if what == 'argument' { 'passed' } else { 'used' }
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c.error('`$expr_name` is `shared` and must be `rlock`ed or `lock`ed to be $action as non-mut $what',
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expr.pos)
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}
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return
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} else {
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c.fail_if_unreadable(expr.expr, expr.expr_type, what)
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}
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}
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ast.IndexExpr {
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pos = expr.left.position().extend(expr.pos)
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c.fail_if_unreadable(expr.left, expr.left_type, what)
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}
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else {}
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}
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if typ.has_flag(.shared_f) {
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c.error('you have to create a handle and `rlock` it to use a `shared` element as non-mut $what',
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pos)
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}
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}
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pub fn (mut c Checker) string_inter_lit(mut node ast.StringInterLiteral) ast.Type {
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inside_println_arg_save := c.inside_println_arg
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c.inside_println_arg = true
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for i, expr in node.exprs {
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ftyp := c.expr(expr)
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c.fail_if_unreadable(expr, ftyp, 'interpolation object')
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node.expr_types << ftyp
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typ := c.table.unalias_num_type(ftyp)
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mut fmt := node.fmts[i]
|
|
// analyze and validate format specifier
|
|
if fmt !in [`E`, `F`, `G`, `e`, `f`, `g`, `d`, `u`, `x`, `X`, `o`, `c`, `s`, `S`, `p`,
|
|
`_`,
|
|
] {
|
|
c.error('unknown format specifier `${fmt:c}`', node.fmt_poss[i])
|
|
}
|
|
if fmt == `_` { // set default representation for type if none has been given
|
|
fmt = c.get_default_fmt(ftyp, typ)
|
|
if fmt == `_` {
|
|
if typ != ast.void_type {
|
|
c.error('no known default format for type `${c.table.get_type_name(ftyp)}`',
|
|
node.fmt_poss[i])
|
|
}
|
|
} else {
|
|
node.fmts[i] = fmt
|
|
node.need_fmts[i] = false
|
|
}
|
|
} else { // check if given format specifier is valid for type
|
|
if node.precisions[i] != 987698 && !typ.is_float() {
|
|
c.error('precision specification only valid for float types', node.fmt_poss[i])
|
|
}
|
|
if node.pluss[i] && !typ.is_number() {
|
|
c.error('plus prefix only allowed for numbers', node.fmt_poss[i])
|
|
}
|
|
if (typ.is_unsigned() && fmt !in [`u`, `x`, `X`, `o`, `c`])
|
|
|| (typ.is_signed() && fmt !in [`d`, `x`, `X`, `o`, `c`])
|
|
|| (typ.is_int_literal() && fmt !in [`d`, `c`, `x`, `X`, `o`, `u`, `x`, `X`, `o`])
|
|
|| (typ.is_float() && fmt !in [`E`, `F`, `G`, `e`, `f`, `g`])
|
|
|| (typ.is_pointer() && fmt !in [`p`, `x`, `X`])
|
|
|| (typ.is_string() && fmt !in [`s`, `S`])
|
|
|| (typ.idx() in [ast.i64_type_idx, ast.f64_type_idx] && fmt == `c`) {
|
|
c.error('illegal format specifier `${fmt:c}` for type `${c.table.get_type_name(ftyp)}`',
|
|
node.fmt_poss[i])
|
|
}
|
|
node.need_fmts[i] = fmt != c.get_default_fmt(ftyp, typ)
|
|
}
|
|
// check recursive str
|
|
if c.table.cur_fn.is_method && c.table.cur_fn.name == 'str'
|
|
&& c.table.cur_fn.receiver.name == expr.str() {
|
|
c.error('cannot call `str()` method recursively', expr.position())
|
|
}
|
|
}
|
|
c.inside_println_arg = inside_println_arg_save
|
|
return ast.string_type
|
|
}
|
|
|
|
pub fn (mut c Checker) infer_fn_generic_types(f ast.Fn, mut call_expr ast.CallExpr) {
|
|
mut inferred_types := []ast.Type{}
|
|
for gi, gt_name in f.generic_names {
|
|
// skip known types
|
|
if gi < call_expr.concrete_types.len {
|
|
inferred_types << call_expr.concrete_types[gi]
|
|
continue
|
|
}
|
|
mut typ := ast.void_type
|
|
for i, param in f.params {
|
|
mut to_set := ast.void_type
|
|
// resolve generic struct receiver
|
|
if i == 0 && call_expr.is_method && param.typ.has_flag(.generic) {
|
|
sym := c.table.get_type_symbol(call_expr.receiver_type)
|
|
if sym.kind == .struct_ {
|
|
info := sym.info as ast.Struct
|
|
if c.table.cur_fn.generic_names.len > 0 { // in generic fn
|
|
if gt_name in c.table.cur_fn.generic_names
|
|
&& c.table.cur_fn.generic_names.len == c.table.cur_concrete_types.len {
|
|
idx := c.table.cur_fn.generic_names.index(gt_name)
|
|
typ = c.table.cur_concrete_types[idx]
|
|
}
|
|
} else { // in non-generic fn
|
|
receiver_generic_names := info.generic_types.map(c.table.get_type_symbol(it).name)
|
|
if gt_name in receiver_generic_names
|
|
&& info.generic_types.len == info.concrete_types.len {
|
|
idx := receiver_generic_names.index(gt_name)
|
|
typ = info.concrete_types[idx]
|
|
}
|
|
}
|
|
}
|
|
}
|
|
arg_i := if i != 0 && call_expr.is_method { i - 1 } else { i }
|
|
if call_expr.args.len <= arg_i {
|
|
break
|
|
}
|
|
arg := call_expr.args[arg_i]
|
|
param_type_sym := c.table.get_type_symbol(param.typ)
|
|
|
|
if param.typ.has_flag(.generic) && param_type_sym.name == gt_name {
|
|
to_set = c.table.mktyp(arg.typ)
|
|
sym := c.table.get_type_symbol(arg.typ)
|
|
if sym.info is ast.FnType {
|
|
mut func := sym.info.func
|
|
func.name = ''
|
|
idx := c.table.find_or_register_fn_type(c.mod, func, true, false)
|
|
to_set = ast.new_type(idx).derive(arg.typ)
|
|
}
|
|
if arg.expr.is_auto_deref_var() {
|
|
to_set = to_set.deref()
|
|
}
|
|
// resolve &T &&T ...
|
|
if param.typ.nr_muls() > 0 && to_set.nr_muls() > 0 {
|
|
to_set = to_set.set_nr_muls(0)
|
|
}
|
|
// If the parent fn param is a generic too
|
|
if to_set.has_flag(.generic) {
|
|
to_set = c.unwrap_generic(to_set)
|
|
}
|
|
} else {
|
|
arg_sym := c.table.get_type_symbol(arg.typ)
|
|
if arg_sym.kind == .array && param_type_sym.kind == .array {
|
|
mut arg_elem_info := arg_sym.info as ast.Array
|
|
mut param_elem_info := param_type_sym.info as ast.Array
|
|
mut arg_elem_sym := c.table.get_type_symbol(arg_elem_info.elem_type)
|
|
mut param_elem_sym := c.table.get_type_symbol(param_elem_info.elem_type)
|
|
for {
|
|
if arg_elem_sym.kind == .array && param_elem_sym.kind == .array
|
|
&& param_elem_sym.name !in c.table.cur_fn.generic_names {
|
|
arg_elem_info = arg_elem_sym.info as ast.Array
|
|
arg_elem_sym = c.table.get_type_symbol(arg_elem_info.elem_type)
|
|
param_elem_info = param_elem_sym.info as ast.Array
|
|
param_elem_sym = c.table.get_type_symbol(param_elem_info.elem_type)
|
|
} else {
|
|
to_set = arg_elem_info.elem_type
|
|
break
|
|
}
|
|
}
|
|
} else if arg_sym.kind == .array_fixed && param_type_sym.kind == .array_fixed {
|
|
mut arg_elem_info := arg_sym.info as ast.ArrayFixed
|
|
mut param_elem_info := param_type_sym.info as ast.ArrayFixed
|
|
mut arg_elem_sym := c.table.get_type_symbol(arg_elem_info.elem_type)
|
|
mut param_elem_sym := c.table.get_type_symbol(param_elem_info.elem_type)
|
|
for {
|
|
if arg_elem_sym.kind == .array_fixed && param_elem_sym.kind == .array_fixed
|
|
&& param_elem_sym.name !in c.table.cur_fn.generic_names {
|
|
arg_elem_info = arg_elem_sym.info as ast.ArrayFixed
|
|
arg_elem_sym = c.table.get_type_symbol(arg_elem_info.elem_type)
|
|
param_elem_info = param_elem_sym.info as ast.ArrayFixed
|
|
param_elem_sym = c.table.get_type_symbol(param_elem_info.elem_type)
|
|
} else {
|
|
to_set = arg_elem_info.elem_type
|
|
break
|
|
}
|
|
}
|
|
} else if param.typ.has_flag(.variadic) {
|
|
to_set = c.table.mktyp(arg.typ)
|
|
} else if arg_sym.kind == .struct_ && param.typ.has_flag(.generic) {
|
|
info := arg_sym.info as ast.Struct
|
|
generic_names := info.generic_types.map(c.table.get_type_symbol(it).name)
|
|
if gt_name in generic_names && info.generic_types.len == info.concrete_types.len {
|
|
idx := generic_names.index(gt_name)
|
|
typ = info.concrete_types[idx]
|
|
}
|
|
}
|
|
}
|
|
|
|
if to_set != ast.void_type {
|
|
if typ != ast.void_type {
|
|
// try to promote
|
|
// only numbers so we don't promote pointers
|
|
if typ.is_number() && to_set.is_number() {
|
|
promoted := c.promote_num(typ, to_set)
|
|
if promoted != ast.void_type {
|
|
to_set = promoted
|
|
}
|
|
}
|
|
if !c.check_types(typ, to_set) {
|
|
c.error('inferred generic type `$gt_name` is ambiguous: got `${c.table.get_type_symbol(to_set).name}`, expected `${c.table.get_type_symbol(typ).name}`',
|
|
arg.pos)
|
|
}
|
|
}
|
|
typ = to_set
|
|
}
|
|
}
|
|
if typ == ast.void_type {
|
|
c.error('could not infer generic type `$gt_name` in call to `$f.name`', call_expr.pos)
|
|
return
|
|
}
|
|
if c.pref.is_verbose {
|
|
s := c.table.type_to_str(typ)
|
|
println('inferred `$f.name<$s>`')
|
|
}
|
|
inferred_types << typ
|
|
call_expr.concrete_types << typ
|
|
}
|
|
if c.table.register_fn_concrete_types(f.name, inferred_types) {
|
|
c.need_recheck_generic_fns = true
|
|
}
|
|
}
|