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run vfmt on vlib/builtin

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This commit is contained in:
Alexander Medvednikov
2019-12-19 23:52:45 +03:00
parent 76c800ffb6
commit d082b3f4b9
15 changed files with 839 additions and 492 deletions
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61
vlib/builtin/builtin_nix.v
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@ -1,7 +1,6 @@
// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module builtin
pub fn println(s string) {
@ -20,9 +19,15 @@ fn print_backtrace_skipping_top_frames_mingw(skipframes int) bool {
fn print_backtrace_skipping_top_frames_nix(xskipframes int) bool {
skipframes := xskipframes + 2
$if macos { return print_backtrace_skipping_top_frames_mac(skipframes) }
$if linux { return print_backtrace_skipping_top_frames_linux(skipframes) }
$if freebsd { return print_backtrace_skipping_top_frames_freebsd(skipframes) }
$if macos {
return print_backtrace_skipping_top_frames_mac(skipframes)
}
$if linux {
return print_backtrace_skipping_top_frames_linux(skipframes)
}
$if freebsd {
return print_backtrace_skipping_top_frames_freebsd(skipframes)
}
return false
}
@ -30,20 +35,20 @@ fn print_backtrace_skipping_top_frames_nix(xskipframes int) bool {
// so there is no need to have their twins in builtin_windows.v
fn print_backtrace_skipping_top_frames_mac(skipframes int) bool {
$if macos {
buffer := [100]byteptr
nr_ptrs := C.backtrace(*voidptr(buffer), 100)
C.backtrace_symbols_fd(*voidptr(&buffer[skipframes]), nr_ptrs-skipframes, 1)
buffer := [100]byteptr
nr_ptrs := C.backtrace(*voidptr(buffer), 100)
C.backtrace_symbols_fd(*voidptr(&buffer[skipframes]), nr_ptrs - skipframes, 1)
}
return true
}
fn print_backtrace_skipping_top_frames_freebsd(skipframes int) bool {
$if freebsd {
buffer := [100]byteptr
nr_ptrs := C.backtrace(*voidptr(buffer), 100)
C.backtrace_symbols_fd(*voidptr(&buffer[skipframes]), nr_ptrs-skipframes, 1)
}
return true
buffer := [100]byteptr
nr_ptrs := C.backtrace(*voidptr(buffer), 100)
C.backtrace_symbols_fd(*voidptr(&buffer[skipframes]), nr_ptrs - skipframes, 1)
}
return true
}
fn print_backtrace_skipping_top_frames_linux(skipframes int) bool {
@ -51,44 +56,50 @@ fn print_backtrace_skipping_top_frames_linux(skipframes int) bool {
println('TODO: print_backtrace_skipping_top_frames_linux $skipframes with tcc fails tests with "stack smashing detected" .')
return false
}
$if !android { // backtrace is not available on Android.
$if !android {
// backtrace is not available on Android.
$if glibc {
buffer := [100]byteptr
nr_ptrs := C.backtrace(*voidptr(buffer), 100)
nr_actual_frames := nr_ptrs-skipframes
nr_actual_frames := nr_ptrs - skipframes
mut sframes := []string
csymbols := C.backtrace_symbols(*voidptr(&buffer[skipframes]),
nr_actual_frames)
for i in 0..nr_actual_frames { sframes << tos2(csymbols[i]) }
csymbols := C.backtrace_symbols(*voidptr(&buffer[skipframes]), nr_actual_frames)
for i in 0 .. nr_actual_frames {
sframes << tos2(csymbols[i])
}
for sframe in sframes {
executable := sframe.all_before('(')
addr := sframe.all_after('[').all_before(']')
beforeaddr := sframe.all_before('[')
cmd := 'addr2line -e $executable $addr'
// taken from os, to avoid depending on the os module inside builtin.v
f := C.popen(cmd.str, 'r')
if isnil(f) {
println(sframe) continue
println(sframe)
continue
}
buf := [1000]byte
mut output := ''
for C.fgets(voidptr(buf), 1000, f) != 0 {
output += tos(buf, vstrlen(buf))
}
output = output.trim_space()+':'
output = output.trim_space() + ':'
if 0 != C.pclose(f) {
println(sframe) continue
println(sframe)
continue
}
if output in ['??:0:','??:?:'] { output = '' }
println( '${output:-46s} | ${addr:14s} | $beforeaddr')
if output in ['??:0:', '??:?:'] {
output = ''
}
println('${output:-46s} | ${addr:14s} | $beforeaddr')
}
//C.backtrace_symbols_fd(*voidptr(&buffer[skipframes]), nr_actual_frames, 1)
// C.backtrace_symbols_fd(*voidptr(&buffer[skipframes]), nr_actual_frames, 1)
return true
}$else{
} $else {
C.printf('backtrace_symbols_fd is missing, so printing backtraces is not available.\n')
C.printf('Some libc implementations like musl simply do not provide it.\n')
}
}
return false
}