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Added Enum.lookup and Enum.lookup_field.

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This commit is contained in:
Christoffer Lerno
2025-04-25 14:44:00 +02:00
parent 8b29e4780d
commit 8b47673524
8 changed files with 274 additions and 33 deletions
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130
test/test_suite/enumerations/enum_lookup.c3t Normal file
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// #target: macos-x64
module test;
import std;
typedef Baz = int;
enum Foo : char (inline Baz x, String hello)
{
ABC = { 123, "ugh" },
DEF = { 444, "hello" }
}
fn int main(String[] a)
{
Foo? x = Foo.lookup_field(hello, "hello");
Foo? y = Foo.lookup(3);
return x.ordinal ?? 222;
}
/* #expect: test.ll
define i32 @test.main(ptr %0, i64 %1) #0 {
entry:
%a = alloca %"char[][]", align 8
%x = alloca i8, align 1
%x.f = alloca i64, align 8
%blockret = alloca i8, align 1
%cmp.idx = alloca i64, align 8
%cmp.idx4 = alloca i64, align 8
%y = alloca i8, align 1
%y.f = alloca i64, align 8
store ptr %0, ptr %a, align 8
%ptradd = getelementptr inbounds i8, ptr %a, i64 8
store i64 %1, ptr %ptradd, align 8
br i1 false, label %slice_cmp_values, label %slice_cmp_exit
slice_cmp_values: ; preds = %entry
store i64 0, ptr %cmp.idx, align 8
br label %slice_loop_start
slice_loop_start: ; preds = %slice_loop_comparison, %slice_cmp_values
%2 = load i64, ptr %cmp.idx, align 8
%lt = icmp slt i64 %2, 3
br i1 %lt, label %slice_loop_comparison, label %slice_cmp_exit
slice_loop_comparison: ; preds = %slice_loop_start
%ptradd1 = getelementptr inbounds i8, ptr @.str.3, i64 %2
%ptradd2 = getelementptr inbounds i8, ptr @.str.2, i64 %2
%3 = load i8, ptr %ptradd1, align 1
%4 = load i8, ptr %ptradd2, align 1
%eq = icmp eq i8 %3, %4
%5 = add i64 %2, 1
store i64 %5, ptr %cmp.idx, align 8
br i1 %eq, label %slice_loop_start, label %slice_cmp_exit
slice_cmp_exit: ; preds = %slice_loop_comparison, %slice_loop_start, %entry
%slice_cmp_phi = phi i1 [ true, %slice_loop_start ], [ false, %entry ], [ false, %slice_loop_comparison ]
br i1 %slice_cmp_phi, label %if.then, label %if.exit
if.then: ; preds = %slice_cmp_exit
store i8 0, ptr %blockret, align 1
br label %expr_block.exit
if.exit: ; preds = %slice_cmp_exit
br i1 true, label %slice_cmp_values3, label %slice_cmp_exit11
slice_cmp_values3: ; preds = %if.exit
store i64 0, ptr %cmp.idx4, align 8
br label %slice_loop_start5
slice_loop_start5: ; preds = %slice_loop_comparison7, %slice_cmp_values3
%6 = load i64, ptr %cmp.idx4, align 8
%lt6 = icmp slt i64 %6, 5
br i1 %lt6, label %slice_loop_comparison7, label %slice_cmp_exit11
slice_loop_comparison7: ; preds = %slice_loop_start5
%ptradd8 = getelementptr inbounds i8, ptr @.str.4, i64 %6
%ptradd9 = getelementptr inbounds i8, ptr @.str.2, i64 %6
%7 = load i8, ptr %ptradd8, align 1
%8 = load i8, ptr %ptradd9, align 1
%eq10 = icmp eq i8 %7, %8
%9 = add i64 %6, 1
store i64 %9, ptr %cmp.idx4, align 8
br i1 %eq10, label %slice_loop_start5, label %slice_cmp_exit11
slice_cmp_exit11: ; preds = %slice_loop_comparison7, %slice_loop_start5, %if.exit
%slice_cmp_phi12 = phi i1 [ true, %slice_loop_start5 ], [ false, %if.exit ], [ false, %slice_loop_comparison7 ]
br i1 %slice_cmp_phi12, label %if.then13, label %if.exit14
if.then13: ; preds = %slice_cmp_exit11
store i8 1, ptr %blockret, align 1
br label %expr_block.exit
if.exit14: ; preds = %slice_cmp_exit11
store i64 ptrtoint (ptr @std.core.builtin.NOT_FOUND to i64), ptr %x.f, align 8
br label %after_assign
expr_block.exit: ; preds = %if.then13, %if.then
%10 = load i8, ptr %blockret, align 1
store i8 %10, ptr %x, align 1
store i64 0, ptr %x.f, align 8
br label %after_assign
after_assign: ; preds = %expr_block.exit, %if.exit14
br label %if.exit16
if.exit16: ; preds = %after_assign
br label %if.exit17
if.exit17: ; preds = %if.exit16
store i64 ptrtoint (ptr @std.core.builtin.NOT_FOUND to i64), ptr %y.f, align 8
br label %after_assign18
after_assign18: ; preds = %if.exit17
%optval = load i64, ptr %x.f, align 8
%not_err = icmp eq i64 %optval, 0
%11 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
br i1 %11, label %after_check, label %else_block
after_check: ; preds = %after_assign18
%12 = load i8, ptr %x, align 1
%zext = zext i8 %12 to i32
br label %phi_block
else_block: ; preds = %after_assign18
br label %phi_block
phi_block: ; preds = %else_block, %after_check
%val = phi i32 [ %zext, %after_check ], [ 222, %else_block ]
ret i32 %val
}

32
test/test_suite/enumerations/lookup_errors.c3 Normal file
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typedef Baz = int;
enum Foo : char (inline Baz x, String hello)
{
ABC = { 123, "ugh" },
DEF = { 444, "hello" }
}
enum Bar : char (Baz x)
{
HELLO = 123,
}
fn void test1()
{
(void)Bar.lookup(123); // #error: 'lookup' requires an inline associated value
}
fn void test2()
{
Foo.lookup(123, 322); // #error: Expected one (1)
Foo.lookup(); // #error: Expected one (1)
Foo.lookup_field(0); // #error: requires two arguments
Foo.lookup_field(33, 22, 44); // #error: requires two arguments
}
fn void test3()
{
Foo.lookup("hello"); // #error: possible to cast 'String'
Foo.lookup_field("hello", "hello"); // #error: identifier
Foo.lookup_field(hello, 2); // #error: possible to cast 'int'
Foo.lookup_field(err, 4); // #error: no associated value of
}