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std.fmt: breaking API changes

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added adapter to AnyWriter and GenericWriter to help bridge the gap
between old and new API

make std.testing.expectFmt work at compile-time

std.fmt no longer has a dependency on std.unicode. Formatted printing
was never properly unicode-aware. Now it no longer pretends to be.

Breakage/deprecations:
* std.fs.File.reader -> std.fs.File.deprecatedReader
* std.fs.File.writer -> std.fs.File.deprecatedWriter
* std.io.GenericReader -> std.io.Reader
* std.io.GenericWriter -> std.io.Writer
* std.io.AnyReader -> std.io.Reader
* std.io.AnyWriter -> std.io.Writer
* std.fmt.format -> std.fmt.deprecatedFormat
* std.fmt.fmtSliceEscapeLower -> std.ascii.hexEscape
* std.fmt.fmtSliceEscapeUpper -> std.ascii.hexEscape
* std.fmt.fmtSliceHexLower -> {x}
* std.fmt.fmtSliceHexUpper -> {X}
* std.fmt.fmtIntSizeDec -> {B}
* std.fmt.fmtIntSizeBin -> {Bi}
* std.fmt.fmtDuration -> {D}
* std.fmt.fmtDurationSigned -> {D}
* {} -> {f} when there is a format method
* format method signature
  - anytype -> *std.io.Writer
  - inferred error set -> error{WriteFailed}
  - options -> (deleted)
* std.fmt.Formatted
  - now takes context type explicitly
  - no fmt string
This commit is contained in:
Andrew Kelley
2025-06-27 20:05:22 -07:00
parent 0b3f0124dc
commit 0e37ff0d59
161 changed files with 4385 additions and 5847 deletions
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20
lib/std/heap/debug_allocator.zig
View File

@@ -436,7 +436,7 @@ pub fn DebugAllocator(comptime config: Config) type {
const stack_trace = bucketStackTrace(bucket, slot_count, slot_index, .alloc);
const page_addr = @intFromPtr(bucket) & ~(page_size - 1);
const addr = page_addr + slot_index * size_class;
log.err("memory address 0x{x} leaked: {}", .{ addr, stack_trace });
log.err("memory address 0x{x} leaked: {f}", .{ addr, stack_trace });
leaks = true;
}
}
@@ -463,7 +463,7 @@ pub fn DebugAllocator(comptime config: Config) type {
while (it.next()) |large_alloc| {
if (config.retain_metadata and large_alloc.freed) continue;
const stack_trace = large_alloc.getStackTrace(.alloc);
log.err("memory address 0x{x} leaked: {}", .{
log.err("memory address 0x{x} leaked: {f}", .{
@intFromPtr(large_alloc.bytes.ptr), stack_trace,
});
leaks = true;
@@ -522,7 +522,7 @@ pub fn DebugAllocator(comptime config: Config) type {
.index = 0,
};
std.debug.captureStackTrace(ret_addr, &second_free_stack_trace);
log.err("Double free detected. Allocation: {} First free: {} Second free: {}", .{
log.err("Double free detected. Allocation: {f} First free: {f} Second free: {f}", .{
alloc_stack_trace, free_stack_trace, second_free_stack_trace,
});
}
@@ -568,7 +568,7 @@ pub fn DebugAllocator(comptime config: Config) type {
.index = 0,
};
std.debug.captureStackTrace(ret_addr, &free_stack_trace);
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {} Free: {}", .{
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {f} Free: {f}", .{
entry.value_ptr.bytes.len,
old_mem.len,
entry.value_ptr.getStackTrace(.alloc),
@@ -678,7 +678,7 @@ pub fn DebugAllocator(comptime config: Config) type {
.index = 0,
};
std.debug.captureStackTrace(ret_addr, &free_stack_trace);
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {} Free: {}", .{
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {f} Free: {f}", .{
entry.value_ptr.bytes.len,
old_mem.len,
entry.value_ptr.getStackTrace(.alloc),
@@ -907,7 +907,7 @@ pub fn DebugAllocator(comptime config: Config) type {
};
std.debug.captureStackTrace(return_address, &free_stack_trace);
if (old_memory.len != requested_size) {
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {} Free: {}", .{
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {f} Free: {f}", .{
requested_size,
old_memory.len,
bucketStackTrace(bucket, slot_count, slot_index, .alloc),
@@ -915,7 +915,7 @@ pub fn DebugAllocator(comptime config: Config) type {
});
}
if (alignment != slot_alignment) {
log.err("Allocation alignment {d} does not match free alignment {d}. Allocation: {} Free: {}", .{
log.err("Allocation alignment {d} does not match free alignment {d}. Allocation: {f} Free: {f}", .{
slot_alignment.toByteUnits(),
alignment.toByteUnits(),
bucketStackTrace(bucket, slot_count, slot_index, .alloc),
@@ -1006,7 +1006,7 @@ pub fn DebugAllocator(comptime config: Config) type {
};
std.debug.captureStackTrace(return_address, &free_stack_trace);
if (memory.len != requested_size) {
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {} Free: {}", .{
log.err("Allocation size {d} bytes does not match free size {d}. Allocation: {f} Free: {f}", .{
requested_size,
memory.len,
bucketStackTrace(bucket, slot_count, slot_index, .alloc),
@@ -1014,7 +1014,7 @@ pub fn DebugAllocator(comptime config: Config) type {
});
}
if (alignment != slot_alignment) {
log.err("Allocation alignment {d} does not match free alignment {d}. Allocation: {} Free: {}", .{
log.err("Allocation alignment {d} does not match free alignment {d}. Allocation: {f} Free: {f}", .{
slot_alignment.toByteUnits(),
alignment.toByteUnits(),
bucketStackTrace(bucket, slot_count, slot_index, .alloc),
@@ -1054,7 +1054,7 @@ const TraceKind = enum {
free,
};
const test_config = Config{};
const test_config: Config = .{};
test "small allocations - free in same order" {
var gpa = DebugAllocator(test_config){};