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compiler: use cerror instead of panic.

pull/1779/head
Delyan Angelov 2019-08-29 03:30:17 +03:00 committed by Alexander Medvednikov
parent 32683ad6fd
commit 83954acfd4
10 changed files with 74 additions and 43 deletions
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18
compiler/cc.v
View File

@ -101,7 +101,7 @@ mut args := ''
// else {
a << '-o $v.out_name'
if os.dir_exists(v.out_name) {
panic('\'$v.out_name\' is a directory')
cerror('\'$v.out_name\' is a directory')
}
if v.os == .mac {
a << '-x objective-c'
@ -143,12 +143,12 @@ mut args := ''
println(cmd)
}
ticks := time.ticks()
res := os.exec(cmd) or { panic(err) }
res := os.exec(cmd) or { cerror(err) return }
if res.exit_code != 0 {
if res.exit_code == 127 {
// the command could not be found by the system
panic('C compiler error, while attempting to run: \n' +
cerror('C compiler error, while attempting to run: \n' +
'-----------------------------------------------------------\n' +
'$cmd\n' +
'-----------------------------------------------------------\n' +
@ -159,12 +159,15 @@ mut args := ''
if v.pref.is_debug {
println(res.output)
} else {
print(res.output.limit(200))
if res.output.len > 200 {
partial_output := res.output.limit(200).trim_right('\r\n')
print(partial_output)
if res.output.len > partial_output.len {
println('...\n(Use `v -debug` to print the entire error message)\n')
}else{
println('')
}
}
panic('C error. This should never happen. ' +
cerror('C error. This should never happen. ' +
'Please create a GitHub issue: https://github.com/vlang/v/issues/new/choose')
}
diff := time.ticks() - ticks
@ -187,7 +190,8 @@ mut args := ''
obj_file +
' /usr/lib/x86_64-linux-gnu/libc.so ' +
'/usr/lib/x86_64-linux-gnu/crtn.o') or {
panic(err)
cerror(err)
return
}
println(ress.output)
println('linux cross compilation done. resulting binary: "$v.out_name"')

9
compiler/cgen.v
View File

@ -263,7 +263,8 @@ fn build_thirdparty_obj_file(flag string) {
cc := find_c_compiler()
cc_thirdparty_options := find_c_compiler_thirdparty_options()
res := os.exec('$cc $cc_thirdparty_options -c -o $obj_path $cfiles') or {
panic(err)
cerror(err)
return
}
println(res.output)
}
@ -279,7 +280,8 @@ fn os_name_to_ifdef(name string) string {
case 'dragonfly': return '__DragonFly__'
case 'msvc': return '_MSC_VER'
}
panic('bad os ifdef name "$name"')
cerror('bad os ifdef name "$name"')
return ''
}
fn platform_postfix_to_ifdefguard(name string) string {
@ -290,7 +292,8 @@ fn platform_postfix_to_ifdefguard(name string) string {
case '_lin.v': return '#ifdef __linux__'
case '_mac.v': return '#ifdef __APPLE__'
}
panic('bad platform_postfix "$name"')
cerror('bad platform_postfix "$name"')
return ''
}
// C struct definitions, ordered

44
compiler/main.v
View File

@ -143,17 +143,21 @@ fn main() {
//println('Building vget...')
os.chdir(vroot + '/tools')
vgetcompilation := os.exec('$vexec -o $vget vget.v') or {
panic(err)
cerror(err)
return
}
if vgetcompilation.exit_code != 0 {
panic( vgetcompilation.output )
cerror( vgetcompilation.output )
return
}
}
vgetresult := os.exec('$vget ' + names.join(' ')) or {
panic(err)
cerror(err)
return
}
if vgetresult.exit_code != 0 {
panic( vgetresult.output )
cerror( vgetresult.output )
return
}
return
}
@ -221,7 +225,7 @@ fn main() {
fn (v mut V) compile() {
// Emily: Stop people on linux from being able to build with msvc
if os.user_os() != 'windows' && v.os == .msvc {
panic('Cannot build with msvc on ${os.user_os()}')
cerror('Cannot build with msvc on ${os.user_os()}')
}
mut cgen := v.cgen
@ -451,9 +455,9 @@ fn (v V) run_compiled_executable_and_exit() {
fn (v &V) v_files_from_dir(dir string) []string {
mut res := []string
if !os.file_exists(dir) {
panic('$dir doesn\'t exist')
cerror('$dir doesn\'t exist')
} else if !os.dir_exists(dir) {
panic('$dir isn\'t a directory')
cerror('$dir isn\'t a directory')
}
mut files := os.ls(dir)
if v.pref.is_verbose {
@ -541,7 +545,7 @@ fn (v mut V) add_v_files_to_compile() {
import_path := '$ModPath/vlib/$mod_path'
vfiles := v.v_files_from_dir(import_path)
if vfiles.len == 0 {
panic('cannot import module $mod (no .v files in "$import_path").')
cerror('cannot import module $mod (no .v files in "$import_path").')
}
// Add all imports referenced by these libs
for file in vfiles {
@ -559,7 +563,7 @@ fn (v mut V) add_v_files_to_compile() {
import_path := v.find_module_path(mod)
vfiles := v.v_files_from_dir(import_path)
if vfiles.len == 0 {
panic('cannot import module $mod (no .v files in "$import_path").')
cerror('cannot import module $mod (no .v files in "$import_path").')
}
// Add all imports referenced by these libs
for file in vfiles {
@ -577,7 +581,7 @@ fn (v mut V) add_v_files_to_compile() {
deps_resolved := dep_graph.resolve()
if !deps_resolved.acyclic {
deps_resolved.display()
panic('Import cycle detected.')
cerror('Import cycle detected.')
}
// add imports in correct order
for mod in deps_resolved.imports() {
@ -876,18 +880,21 @@ fn update_v() {
println('Updating V...')
vroot := os.dir(os.executable())
s := os.exec('git -C "$vroot" pull --rebase origin master') or {
panic(err)
cerror(err)
return
}
println(s.output)
$if windows {
os.mv('$vroot/v.exe', '$vroot/v_old.exe')
s2 := os.exec('$vroot/make.bat') or {
panic(err)
cerror(err)
return
}
println(s2.output)
} $else {
s2 := os.exec('make -C "$vroot"') or {
panic(err)
cerror(err)
return
}
println(s2.output)
}
@ -909,7 +916,8 @@ fn test_v() {
tmpcfilepath := file.replace('_test.v', '_test.tmp.c')
print(relative_file + ' ')
r := os.exec('$vexe $joined_args -debug $file') or {
panic('failed on $file')
cerror('failed on $file')
return
}
if r.exit_code != 0 {
println('failed `$file` (\n$r.output\n)')
@ -926,7 +934,8 @@ fn test_v() {
tmpcfilepath := file.replace('.v', '.tmp.c')
print(relative_file + ' ')
r := os.exec('$vexe $joined_args -debug $file') or {
panic('failed on $file')
cerror('failed on $file')
return
}
if r.exit_code != 0 {
println('failed `$file` (\n$r.output\n)')
@ -945,3 +954,8 @@ fn create_symlink() {
println('symlink "$link_path" has been created')
}
pub fn cerror(s string) {
println('V error: $s')
os.flush_stdout()
exit(1)
}

2
compiler/modules.v
View File

@ -164,7 +164,7 @@ fn (v &V) find_module_path(mod string) string {
if !os.dir_exists(import_path) {
import_path = '$ModPath/$mod_path'
if !os.dir_exists(import_path){
panic('module "$mod" not found')
cerror('module "$mod" not found')
}
}
return import_path

16
compiler/msvc.v
View File

@ -200,7 +200,8 @@ fn find_msvc() ?MsvcResult {
}
}
$else {
panic('Cannot find msvc on this OS')
cerror('Cannot find msvc on this OS')
return error('msvc not found')
}
}
@ -215,7 +216,8 @@ pub fn (v mut V) cc_msvc() {
if !v.pref.is_debug && v.out_name_c != 'v.c' && v.out_name_c != 'v_macos.c' {
os.rm('.$v.out_name_c')
}
panic('Cannot find MSVC on this OS.')
cerror('Cannot find MSVC on this OS.')
return
}
out_name_obj := v.out_name_c + '.obj'
@ -349,7 +351,7 @@ pub fn (v mut V) cc_msvc() {
// by the compiler
if fl == '-l' {
if arg.ends_with('.dll') {
panic('MSVC cannot link against a dll (`#flag -l $arg`)')
cerror('MSVC cannot link against a dll (`#flag -l $arg`)')
}
// MSVC has no method of linking against a .dll
@ -410,10 +412,11 @@ pub fn (v mut V) cc_msvc() {
res := os.exec(cmd) or {
println(err)
panic('msvc error')
cerror('msvc error')
return
}
if res.exit_code != 0 {
panic(res.output)
cerror(res.output)
}
// println(res)
// println('C OUTPUT:')
@ -458,7 +461,8 @@ fn build_thirdparty_obj_file_with_msvc(flag string) {
println('$cfiles')
res := os.exec('""$msvc.exe_path\\cl.exe" /volatile:ms /Z7 $include_string /c $cfiles /Fo"$obj_path" /D_UNICODE /DUNICODE"') or {
panic(err)
cerror(err)
return
}
println(res.output)
}

6
compiler/parser.v
View File

@ -265,7 +265,8 @@ fn (p mut Parser) parse(pass Pass) {
}
if false && !p.first_pass() && p.fileis('main.v') {
out := os.create('/var/tmp/fmt.v') or {
panic('failed to create fmt.v')
cerror('failed to create fmt.v')
return
}
out.writeln(p.scanner.fmt_out.str())
out.close()
@ -462,7 +463,8 @@ fn key_to_type_cat(tok Token) TypeCategory {
case Token.key_union: return TypeCategory.union_
//Token.key_ => return .interface_
}
panic('')
cerror('Unknown token: $tok')
return TypeCategory.builtin
}
// also unions and interfaces

2
compiler/query.v
View File

@ -23,7 +23,7 @@ fn sql_params2params_gen(sql_params []string, sql_types []string, qprefix string
}else if paramtype == 'string' {
params_gen += '${qprefix}params[$i] = ${param}.str;\n'
}else{
panic('orm: only int and string variable types are supported in queries')
cerror('orm: only int and string variable types are supported in queries')
}
}
}

6
compiler/repl.v
View File

@ -122,7 +122,8 @@ fn run_repl() []string {
source_code := r.functions.join('\n') + r.lines.join('\n') + '\n' + line
os.write_file(file, source_code)
s := os.exec('$vexe run $file -repl') or {
panic(err)
cerror(err)
return []string
}
vals := s.output.split('\n')
for i:=0; i < vals.len; i++ {
@ -140,7 +141,8 @@ fn run_repl() []string {
temp_source_code := r.functions.join('\n') + r.lines.join('\n') + r.temp_lines.join('\n') + '\n' + temp_line
os.write_file(temp_file, temp_source_code)
s := os.exec('$vexe run $temp_file -repl') or {
panic(err)
cerror(err)
return []string
}
if !func_call && !s.exit_code {
for r.temp_lines.len > 0 {

5
compiler/scanner.v
View File

@ -28,11 +28,12 @@ mut:
fn new_scanner(file_path string) *Scanner {
if !os.file_exists(file_path) {
panic('"$file_path" doesn\'t exist')
cerror('"$file_path" doesn\'t exist')
}
mut raw_text := os.read_file(file_path) or {
panic('scanner: failed to open "$file_path"')
cerror('scanner: failed to open "$file_path"')
return 0
}
// BOM check

7
compiler/table.v
View File

@ -800,7 +800,8 @@ fn (t mut Table) fn_gen_types(fn_name string) []string {
return f.types
}
}
panic('function $fn_name not found')
cerror('function $fn_name not found')
return []string
}
// `foo<Bar>()`
@ -892,7 +893,7 @@ fn (fit mut FileImportTable) register_import(mod string) {
fn (fit mut FileImportTable) register_alias(alias string, mod string) {
if alias in fit.imports {
panic('cannot import $mod as $alias: import name $alias already in use in "${fit.file_path}".')
cerror('cannot import $mod as $alias: import name $alias already in use in "${fit.file_path}".')
}
if mod.contains('.internal.') {
mod_parts := mod.split('.')
@ -903,7 +904,7 @@ fn (fit mut FileImportTable) register_alias(alias string, mod string) {
}
internal_parent := internal_mod_parts.join('.')
if !fit.module_name.starts_with(internal_parent) {
panic('module $mod can only be imported internally by libs.')
cerror('module $mod can only be imported internally by libs.')
}
}
fit.imports[alias] = mod