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stage2: migrate many pointer types to the InternPool

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This commit is contained in:
Andrew Kelley
2023-05-05 16:32:38 -07:00
parent 70a4b76aca
commit 9ec0017f46
11 changed files with 157 additions and 90 deletions
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95
src/type.zig
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@@ -193,7 +193,7 @@ pub const Type = struct {
.Frame,
=> false,
.Pointer => !ty.isSlice(mod) and (is_equality_cmp or ty.isCPtr()),
.Pointer => !ty.isSlice(mod) and (is_equality_cmp or ty.isCPtr(mod)),
.Optional => {
if (!is_equality_cmp) return false;
return ty.optionalChild(mod).isSelfComparable(mod, is_equality_cmp);
@@ -3012,38 +3012,59 @@ pub const Type = struct {
}
}
pub fn isConstPtr(self: Type) bool {
return switch (self.tag()) {
.pointer => !self.castTag(.pointer).?.data.mutable,
else => false,
};
}
pub fn isVolatilePtr(self: Type) bool {
return switch (self.tag()) {
.pointer => {
const payload = self.castTag(.pointer).?.data;
return payload.@"volatile";
pub fn isConstPtr(ty: Type, mod: *const Module) bool {
return switch (ty.ip_index) {
.none => switch (ty.tag()) {
.pointer => !ty.castTag(.pointer).?.data.mutable,
else => false,
},
else => false,
};
}
pub fn isAllowzeroPtr(self: Type, mod: *const Module) bool {
return switch (self.tag()) {
.pointer => {
const payload = self.castTag(.pointer).?.data;
return payload.@"allowzero";
else => switch (mod.intern_pool.indexToKey(ty.ip_index)) {
.ptr_type => |ptr_type| ptr_type.is_const,
else => false,
},
else => return self.zigTypeTag(mod) == .Optional,
};
}
pub fn isCPtr(self: Type) bool {
return switch (self.tag()) {
.pointer => self.castTag(.pointer).?.data.size == .C,
pub fn isVolatilePtr(ty: Type, mod: *const Module) bool {
return isVolatilePtrIp(ty, mod.intern_pool);
}
else => return false,
pub fn isVolatilePtrIp(ty: Type, ip: InternPool) bool {
return switch (ty.ip_index) {
.none => switch (ty.tag()) {
.pointer => ty.castTag(.pointer).?.data.@"volatile",
else => false,
},
else => switch (ip.indexToKey(ty.ip_index)) {
.ptr_type => |ptr_type| ptr_type.is_volatile,
else => false,
},
};
}
pub fn isAllowzeroPtr(ty: Type, mod: *const Module) bool {
return switch (ty.ip_index) {
.none => switch (ty.tag()) {
.pointer => ty.castTag(.pointer).?.data.@"allowzero",
else => ty.zigTypeTag(mod) == .Optional,
},
else => switch (mod.intern_pool.indexToKey(ty.ip_index)) {
.ptr_type => |ptr_type| ptr_type.is_allowzero,
else => false,
},
};
}
pub fn isCPtr(ty: Type, mod: *const Module) bool {
return switch (ty.ip_index) {
.none => switch (ty.tag()) {
.pointer => ty.castTag(.pointer).?.data.size == .C,
else => false,
},
else => switch (mod.intern_pool.indexToKey(ty.ip_index)) {
.ptr_type => |ptr_type| ptr_type.size == .C,
else => false,
},
};
}
@@ -5063,7 +5084,7 @@ pub const Type = struct {
return .{
.pointee_type = p.elem_type.toType(),
.sentinel = if (p.sentinel != .none) p.sentinel.toValue() else null,
.@"align" = p.alignment,
.@"align" = @intCast(u32, p.alignment),
.@"addrspace" = p.address_space,
.bit_offset = p.bit_offset,
.host_size = p.host_size,
@@ -5248,6 +5269,24 @@ pub const Type = struct {
}
}
if (d.pointee_type.ip_index != .none and
(d.sentinel == null or d.sentinel.?.ip_index != .none))
{
return mod.ptrType(.{
.elem_type = d.pointee_type.ip_index,
.sentinel = if (d.sentinel) |s| s.ip_index else .none,
.alignment = d.@"align",
.host_size = d.host_size,
.bit_offset = d.bit_offset,
.vector_index = d.vector_index,
.size = d.size,
.is_const = !d.mutable,
.is_volatile = d.@"volatile",
.is_allowzero = d.@"allowzero",
.address_space = d.@"addrspace",
});
}
return Type.Tag.pointer.create(arena, d);
}