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package log
import "core:runtime"
Log_Allocator :: struct {
allocator: runtime.Allocator,
level: Level,
prefix: string,
locked: bool,
}
log_allocator_init :: proc(la: ^Log_Allocator, level: Level, allocator := context.allocator, prefix := "") {
la.allocator = allocator
la.level = level
la.prefix = prefix
la.locked = false
}
log_allocator :: proc(la: ^Log_Allocator) -> runtime.Allocator {
return runtime.Allocator{
procedure = log_allocator_proc,
data = la,
}
}
log_allocator_proc :: proc(allocator_data: rawptr, mode: runtime.Allocator_Mode,
size, alignment: int,
old_memory: rawptr, old_size: int, location := #caller_location) -> ([]byte, runtime.Allocator_Error) {
la := (^Log_Allocator)(allocator_data)
padding := " " if la.prefix != "" else ""
if !la.locked {
la.locked = true
defer la.locked = false
switch mode {
case .Alloc:
logf(
la.level,
"%s%s>>> ALLOCATOR(mode=.Alloc, size=%d, alignment=%d)",
la.prefix, padding, size, alignment,
location = location,
)
case .Alloc_Non_Zeroed:
logf(
la.level,
"%s%s>>> ALLOCATOR(mode=.Alloc_Non_Zeroed, size=%d, alignment=%d)",
la.prefix, padding, size, alignment,
location = location,
)
case .Free:
if old_size != 0 {
logf(
la.level,
"%s%s<<< ALLOCATOR(mode=.Free, ptr=%p, size=%d)",
la.prefix, padding, old_memory, old_size,
location = location,
)
} else {
logf(
la.level,
"%s%s<<< ALLOCATOR(mode=.Free, ptr=%p)",
la.prefix, padding, old_memory,
location = location,
)
}
case .Free_All:
logf(
la.level,
"%s%s<<< ALLOCATOR(mode=.Free_All)",
la.prefix, padding,
location = location,
)
case .Resize:
logf(
la.level,
"%s%s>>> ALLOCATOR(mode=.Resize, ptr=%p, old_size=%d, size=%d, alignment=%d)",
la.prefix, padding, old_memory, old_size, size, alignment,
location = location,
)
case .Query_Features:
logf(
la.level,
"%s%ALLOCATOR(mode=.Query_Features)",
la.prefix, padding,
location = location,
)
case .Query_Info:
logf(
la.level,
"%s%ALLOCATOR(mode=.Query_Info)",
la.prefix, padding,
location = location,
)
}
}
data, err := la.allocator.procedure(la.allocator.data, mode, size, alignment, old_memory, old_size, location)
if !la.locked {
la.locked = true
defer la.locked = false
if err != nil {
logf(
la.level,
"%s%ALLOCATOR ERROR=%v",
la.prefix, padding, error,
location = location,
)
}
}
return data, err
}
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