mirror/v
1
0
Fork 0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
Code Issues Projects Releases Wiki Activity

JavaSript backend (early stage)

Browse Source
This commit is contained in:
Alexander Medvednikov
2019-09-14 23:48:30 +03:00
parent 982a162fbf
commit 5cc81b91cb
31 changed files with 1818 additions and 584 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
compiler/table.v
View File

@ -129,6 +129,7 @@ fn (t Type) str() string {
const (
CReserved = [
'delete',
'exit',
'unix',
//'print',
@ -141,32 +142,21 @@ const (
// Full list of C reserved words, from: https://en.cppreference.com/w/c/keyword
'auto',
'break',
'case',
'char',
'const',
'continue',
'default',
'do',
'double',
'else',
'enum',
'extern',
'float',
'for',
'goto',
'if',
'inline',
'int',
'long',
'register',
'restrict',
'return',
'short',
'signed',
'sizeof',
'static',
'struct',
'switch',
'typedef',
'union',
@ -461,7 +451,6 @@ fn (table &Table) type_has_method(typ &Type, name string) bool {
// TODO use `?Fn`
fn (table &Table) find_method(typ &Type, name string) Fn {
// println('TYPE HAS METHOD $name')
// method := typ.find_method(name)
t := table.typesmap[typ.name]
method := t.find_method(name)
@ -638,38 +627,6 @@ fn (p mut Parser) satisfies_interface(interface_name, _typ string, throw bool) b
return true
}
fn type_default(typ string) string {
if typ.starts_with('array_') {
return 'new_array(0, 1, sizeof( ${typ.right(6)} ))'
}
// Always set pointers to 0
if typ.ends_with('*') {
return '0'
}
// User struct defined in another module.
if typ.contains('__') {
return '{0}'
}
// Default values for other types are not needed because of mandatory initialization
switch typ {
case 'bool': return '0'
case 'string': return 'tos((byte *)"", 0)'
case 'i8': return '0'
case 'i16': return '0'
case 'i64': return '0'
case 'u16': return '0'
case 'u32': return '0'
case 'u64': return '0'
case 'byte': return '0'
case 'int': return '0'
case 'rune': return '0'
case 'f32': return '0.0'
case 'f64': return '0.0'
case 'byteptr': return '0'
case 'voidptr': return '0'
}
return '{0}'
}
fn (table &Table) is_interface(name string) bool {
if !(name in table.typesmap) {
@ -700,41 +657,6 @@ fn (t &Table) find_const(name string) Var {
return Var{}
}
fn (table mut Table) cgen_name(f &Fn) string {
mut name := f.name
if f.is_method {
name = '${f.receiver_typ}_$f.name'
name = name.replace(' ', '')
name = name.replace('*', '')
name = name.replace('+', 'plus')
name = name.replace('-', 'minus')
}
// Avoid name conflicts (with things like abs(), print() etc).
// Generate b_abs(), b_print()
// TODO duplicate functionality
if f.mod == 'builtin' && f.name in CReserved {
return 'v_$name'
}
// Obfuscate but skip certain names
// TODO ugly, fix
if table.obfuscate && f.name != 'main' && f.name != 'WinMain' && f.mod != 'builtin' && !f.is_c &&
f.mod != 'darwin' && f.mod != 'os' && !f.name.contains('window_proc') && f.name != 'gg__vec2' &&
f.name != 'build_token_str' && f.name != 'build_keys' && f.mod != 'json' &&
!name.ends_with('_str') && !name.contains('contains') {
mut idx := table.obf_ids[name]
// No such function yet, register it
if idx == 0 {
table.fn_cnt++
table.obf_ids[name] = table.fn_cnt
idx = table.fn_cnt
}
old := name
name = 'f_$idx'
println('$old ==> $name')
}
return name
}
// ('s', 'string') => 'string s'
// ('nums', '[20]byte') => 'byte nums[20]'
// ('myfn', 'fn(int) string') => 'string (*myfn)(int)'