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Revert "cgen: sort const inits/cleanups topologically too"

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This reverts commit 38000f8622.
This commit is contained in:
Alexander Medvednikov 2020-07-08 12:56:56 +02:00
parent 88248b1b66
commit 2425c05c42
6 changed files with 16 additions and 37 deletions
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1
vlib/v/ast/ast.v
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@ -142,7 +142,6 @@ pub mut:
pub struct ConstField {
pub:
mod string
name string
expr Expr
is_pub bool

3
vlib/v/builder/builder.v
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@ -12,10 +12,10 @@ import v.depgraph
pub struct Builder {
pub:
table &table.Table
compiled_dir string // contains os.real_path() of the dir of the final file beeing compiled, or the dir itself when doing `v .`
module_path string
mut:
table &table.Table
checker checker.Checker
pref &pref.Preferences
global_scope &ast.Scope
@ -146,7 +146,6 @@ pub fn (mut b Builder) resolve_deps() {
}
}
}
b.table.modules = mods
b.parsed_files = reordered_parsed_files
}

35
vlib/v/gen/cgen.v
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@ -35,8 +35,8 @@ mut:
typedefs2 strings.Builder
type_definitions strings.Builder // typedefs, defines etc (everything that goes to the top of the file)
definitions strings.Builder // typedefs, defines etc (everything that goes to the top of the file)
inits map[string]strings.Builder // contents of `void _vinit(){}`
cleanups map[string]strings.Builder // contents of `void _vcleanup(){}`
inits strings.Builder // contents of `void _vinit(){}`
cleanups strings.Builder // contents of `void _vcleanup(){}`
gowrappers strings.Builder // all go callsite wrappers
stringliterals strings.Builder // all string literals (they depend on tos3() beeing defined
auto_str_funcs strings.Builder // function bodies of all auto generated _str funcs
@ -119,6 +119,8 @@ pub fn cgen(files []ast.File, table &table.Table, pref &pref.Preferences) string
stringliterals: strings.new_builder(100)
auto_str_funcs: strings.new_builder(100)
comptime_defines: strings.new_builder(100)
inits: strings.new_builder(100)
cleanups: strings.new_builder(100)
pcs_declarations: strings.new_builder(100)
hotcode_definitions: strings.new_builder(100)
options: strings.new_builder(100)
@ -132,10 +134,6 @@ pub fn cgen(files []ast.File, table &table.Table, pref &pref.Preferences) string
indent: -1
module_built: pref.path.after('vlib/')
}
for mod in g.table.modules {
g.inits[mod] = strings.new_builder(100)
g.cleanups[mod] = strings.new_builder(100)
}
g.init()
//
mut tests_inited := false
@ -2729,7 +2727,7 @@ fn (mut g Gen) const_decl(node ast.ConstDecl) {
styp := g.typ(it.typ)
g.definitions.writeln('$styp _const_$name = $val; // fixed array const')
} else {
g.const_decl_init_later(field.mod, name, val, field.typ)
g.const_decl_init_later(name, val, field.typ)
}
}
ast.StringLiteral {
@ -2739,7 +2737,7 @@ fn (mut g Gen) const_decl(node ast.ConstDecl) {
}
}
else {
g.const_decl_init_later(field.mod, name, val, field.typ)
g.const_decl_init_later(name, val, field.typ)
}
}
}
@ -2754,20 +2752,20 @@ fn (mut g Gen) const_decl_simple_define(name, val string) {
g.definitions.writeln(val)
}
fn (mut g Gen) const_decl_init_later(mod, name, val string, typ table.Type) {
fn (mut g Gen) const_decl_init_later(name, val string, typ table.Type) {
// Initialize more complex consts in `void _vinit(){}`
// (C doesn't allow init expressions that can't be resolved at compile time).
styp := g.typ(typ)
//
cname := '_const_$name'
g.definitions.writeln('$styp $cname; // inited later')
g.inits[mod].writeln('\t$cname = $val;')
g.inits.writeln('\t$cname = $val;')
if g.pref.autofree {
if styp.starts_with('array_') {
g.cleanups[mod].writeln('\tarray_free(&$cname);')
g.cleanups.writeln('\tarray_free(&$cname);')
}
if styp == 'string' {
g.cleanups[mod].writeln('\tstring_free(&$cname);')
g.cleanups.writeln('\tstring_free(&$cname);')
}
}
}
@ -3015,10 +3013,8 @@ fn (mut g Gen) write_init_function() {
}
g.writeln('\tbuiltin_init();')
g.writeln('\tvinit_string_literals();')
//
for mod_name in g.table.modules {
g.writeln('\t// Initializations for module $mod_name :')
g.write(g.inits[mod_name].str())
g.write(g.inits.str())
for mod_name in g.table.imports {
init_fn_name := '${mod_name}.init'
if _ := g.table.find_fn(init_fn_name) {
mod_c_name := util.no_dots(mod_name)
@ -3026,7 +3022,6 @@ fn (mut g Gen) write_init_function() {
g.writeln('\t${init_fn_c_name}();')
}
}
//
g.writeln('}')
if g.pref.printfn_list.len > 0 && '_vinit' in g.pref.printfn_list {
println(g.out.after(fn_vinit_start_pos))
@ -3035,11 +3030,7 @@ fn (mut g Gen) write_init_function() {
fn_vcleanup_start_pos := g.out.len
g.writeln('void _vcleanup() {')
// g.writeln('puts("cleaning up...");')
reversed_table_modules := g.table.modules.reverse()
for mod_name in reversed_table_modules {
g.writeln('\t// Cleanups for module $mod_name :')
g.writeln(g.cleanups[mod_name].str())
}
g.writeln(g.cleanups.str())
// g.writeln('\tfree(g_str_buf);')
g.writeln('}')
if g.pref.printfn_list.len > 0 && '_vcleanup' in g.pref.printfn_list {

1
vlib/v/parser/parser.v
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@ -1376,7 +1376,6 @@ fn (mut p Parser) const_decl() ast.ConstDecl {
expr := p.expr(0)
field := ast.ConstField{
name: full_name
mod: p.mod
expr: expr
pos: pos
comments: comments

3
vlib/v/table/table.v
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@ -13,7 +13,7 @@ pub mut:
type_idxs map[string]int
fns map[string]Fn
imports []string // List of all imports
modules []string // Topologically sorted list of all modules registered by the application
modules []string // List of all modules registered by the application
cflags []cflag.CFlag
redefined_fns []string
fn_gen_types map[string][]Type // for generic functions
@ -510,3 +510,4 @@ pub fn (table &Table) sumtype_has_variant(parent Type, variant Type) bool {
}
return false
}

10
vlib/v/tests/const_init_order_test.v
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@ -1,10 +0,0 @@
import rand
const (
my_random_letter_const = byte(65 + rand.u32n(25))
)
fn test_rand_is_initialized_before_main(){
eprintln('random letter: $my_random_letter_const.str() | ASCII code: $my_random_letter_const')
assert my_random_letter_const.is_capital()
}