motiejus/zig
1
Fork 0
Code Releases Activity

ability to set tag values of enums

Browse Source 
also remove support for enums with 0 values

closes #305
This commit is contained in:
Andrew Kelley
2017-12-02 22:31:42 -05:00
parent 98237f7c0b
commit 137c8f5e8a
13 changed files with 452 additions and 147 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
test/compile_errors.zig
View File

@@ -2307,11 +2307,11 @@ pub fn addCases(cases: &tests.CompileErrorContext) {
cases.add("@memberType enum out of bounds",
\\comptime {
\\ _ = @memberType(Foo, 0);
\\ _ = @memberType(Foo, 1);
\\}
\\const Foo = enum {};
\\const Foo = enum {A,};
,
".tmp_source.zig:2:26: error: member index 0 out of bounds; 'Foo' has 0 members");
".tmp_source.zig:2:26: error: member index 1 out of bounds; 'Foo' has 1 members");
cases.add("@memberName on unsupported type",
\\comptime {
@@ -2330,11 +2330,11 @@ pub fn addCases(cases: &tests.CompileErrorContext) {
cases.add("@memberName enum out of bounds",
\\comptime {
\\ _ = @memberName(Foo, 0);
\\ _ = @memberName(Foo, 1);
\\}
\\const Foo = enum {};
\\const Foo = enum {A,};
,
".tmp_source.zig:2:26: error: member index 0 out of bounds; 'Foo' has 0 members");
".tmp_source.zig:2:26: error: member index 1 out of bounds; 'Foo' has 1 members");
cases.add("calling var args extern function, passing array instead of pointer",
\\export fn entry() {
@@ -2447,4 +2447,47 @@ pub fn addCases(cases: &tests.CompileErrorContext) {
\\}
,
".tmp_source.zig:1:19: error: expected unsigned integer, found 'i2'");
cases.add("struct fields with value assignments",
\\const MultipleChoice = struct {
\\ A: i32 = 20,
\\};
\\export fn entry() {
\\ var x: MultipleChoice = undefined;
\\}
,
".tmp_source.zig:2:14: error: enums, not structs, support field assignment");
cases.add("union fields with value assignments",
\\const MultipleChoice = union {
\\ A: i32 = 20,
\\};
\\export fn entry() {
\\ var x: MultipleChoice = undefined;
\\}
,
".tmp_source.zig:2:14: error: enums, not unions, support field assignment");
cases.add("enum with 0 fields",
\\const Foo = enum {};
\\export fn entry() -> usize {
\\ return @sizeOf(Foo);
\\}
,
".tmp_source.zig:1:13: error: enums must have 1 or more fields");
cases.add("enum value already taken",
\\const MultipleChoice = enum(u32) {
\\ A = 20,
\\ B = 40,
\\ C = 60,
\\ D = 1000,
\\ E = 60,
\\};
\\export fn entry() {
\\ var x = MultipleChoice.C;
\\}
,
".tmp_source.zig:6:9: error: enum tag value 60 already taken",
".tmp_source.zig:4:9: note: other occurrence here");
}