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lang: rename signed integer types sN -> iN

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Surface rename of the signed integer family: s1..s64 become i1..i64
(u1..u64, usize, isize unchanged). 'string' keeps the s-prefix arm in
name classification; width parsing moves to the i-prefix arm next to
isize.

Internal TypeId tags follow the surface (.s8/.s16/.s32/.s64 ->
.i8/.i16/.i32/.i64), as do mono-key mangle fragments (ptr_i64,
tu_i64_bool) and all display/diagnostic formatting (i{d}).

Migrated in the same sweep: stdlib + examples + issue repros + FFI C
companions (shared symbol names like ffi_id_i64), expected
stdout/stderr/ir snapshots, specs.md, readme.md, CLAUDE.md/AGENTS.md,
implementation_plan.md, docs/, issue writeups. Vendored stb_image and
historical flow state left untouched.

zig build test: 426/426; examples suite: 595/595.
This commit is contained in:
agra
2026-06-12 09:31:53 +03:00
parent 515ecebea7
commit d8076b9333
1054 changed files with 6836 additions and 6839 deletions
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33
src/types.zig
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@@ -43,10 +43,10 @@ pub const Type = union(enum) {
unresolved,
/// `is_raw` records whether the inner type-name came from a backtick raw
/// reference (`` `s2 ``) or an already-resolved user type. It is the
/// reference (`` `i2 ``) or an already-resolved user type. It is the
/// `skip_builtin` the resolver MUST pass when re-resolving the stored inner
/// name — without it `resolveTypeNameStr` would reclassify a
/// user type named `s2` as the builtin int, diverging from codegen. The
/// user type named `i2` as the builtin int, diverging from codegen. The
/// field is REQUIRED (no default) so a future construction site cannot
/// silently drop the bit, the way the LSP index did for compound shapes.
pub const SliceTypeInfo = struct {
@@ -115,14 +115,7 @@ pub const Type = union(enum) {
pub fn fromName(name: []const u8) ?Type {
if (name.len == 0) return null;
return switch (name[0]) {
's' => {
if (std.mem.eql(u8, name, "string")) return .string_type;
if (name.len >= 2) {
const width = std.fmt.parseInt(u8, name[1..], 10) catch return null;
if (width >= 1 and width <= 64) return Type.s(width);
}
return null;
},
's' => if (std.mem.eql(u8, name, "string")) .string_type else null,
'u' => {
if (std.mem.eql(u8, name, "usize")) return .usize_type;
if (name.len >= 2) {
@@ -133,6 +126,10 @@ pub const Type = union(enum) {
},
'i' => {
if (std.mem.eql(u8, name, "isize")) return .isize_type;
if (name.len >= 2) {
const width = std.fmt.parseInt(u8, name[1..], 10) catch return null;
if (width >= 1 and width <= 64) return Type.s(width);
}
return null;
},
'b' => if (std.mem.eql(u8, name, "bool")) .boolean else null,
@@ -181,14 +178,14 @@ pub const Type = union(enum) {
}
/// Returns the canonical type name for this type, or null for complex types.
/// Used for looking up impl methods on non-struct types (e.g., s32.eq).
/// Used for looking up impl methods on non-struct types (e.g., i32.eq).
pub fn toName(self: Type) ?[]const u8 {
return switch (self) {
.signed => |w| switch (w) {
8 => "s8",
16 => "s16",
32 => "s32",
64 => "s64",
8 => "i8",
16 => "i16",
32 => "i32",
64 => "i64",
else => null,
},
.unsigned => |w| switch (w) {
@@ -214,7 +211,7 @@ pub const Type = union(enum) {
pub fn fromTypeExpr(node: *Node) ?Type {
if (node.data != .type_expr) return null;
// A backtick raw type reference (`` `s2 ``) is the LITERAL name used as
// A backtick raw type reference (`` `i2 ``) is the LITERAL name used as
// a type — it must skip this builtin/reserved classifier and resolve
// through user-defined types only, mirroring the codegen-
// side `resolveNamed`'s `skip_builtin`. Returning null lets the sema
@@ -272,12 +269,12 @@ pub const Type = union(enum) {
return try allocator.dupe(u8, result);
}
/// Format type name for mangling and display (e.g. "s32", "u8", "f64")
/// Format type name for mangling and display (e.g. "i32", "u8", "f64")
pub fn displayName(self: Type, allocator: std.mem.Allocator) ![]const u8 {
return switch (self) {
.signed => |w| {
var buf: [4]u8 = undefined;
const result = std.fmt.bufPrint(&buf, "s{d}", .{w}) catch unreachable;
const result = std.fmt.bufPrint(&buf, "i{d}", .{w}) catch unreachable;
return try allocator.dupe(u8, result);
},
.unsigned => |w| {