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cgen: clean up ident() in cgen.v (#15121)

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yuyi 2022-07-19 15:54:03 +08:00 committed by GitHub
parent c7ec71cd06
commit a39fe68af1
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1 changed files with 18 additions and 20 deletions
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38
vlib/v/gen/c/cgen.v
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@ -3845,7 +3845,7 @@ fn (mut g Gen) ident(node ast.Ident) {
return
}
mut name := c_name(node.name)
if node.kind == .constant { // && !node.name.starts_with('g_') {
if node.kind == .constant {
if g.pref.translated && !g.is_builtin_mod
&& !util.module_is_builtin(node.name.all_before_last('.')) {
// Don't prepend "_const" to translated C consts,
@ -3861,45 +3861,43 @@ fn (mut g Gen) ident(node ast.Ident) {
g.write('_const_')
}
}
// TODO: temporary, remove this
node_info := node.info
mut is_auto_heap := false
if node_info is ast.IdentVar {
if node.info is ast.IdentVar {
// x ?int
// `x = 10` => `x.data = 10` (g.right_is_opt == false)
// `x = new_opt()` => `x = new_opt()` (g.right_is_opt == true)
// `println(x)` => `println(*(int*)x.data)`
if node_info.is_optional && !(g.is_assign_lhs && g.right_is_opt) {
if node.info.is_optional && !(g.is_assign_lhs && g.right_is_opt) {
g.write('/*opt*/')
styp := g.base_type(node_info.typ)
styp := g.base_type(node.info.typ)
g.write('(*($styp*)${name}.data)')
return
}
if !g.is_assign_lhs && node_info.share == .shared_t {
if !g.is_assign_lhs && node.info.share == .shared_t {
g.write('${name}.val')
return
}
v := node.obj
if v is ast.Var {
is_auto_heap = v.is_auto_heap && (!g.is_assign_lhs || g.assign_op != .decl_assign)
if node.obj is ast.Var {
is_auto_heap = node.obj.is_auto_heap
&& (!g.is_assign_lhs || g.assign_op != .decl_assign)
if is_auto_heap {
g.write('(*(')
}
if v.smartcasts.len > 0 {
v_sym := g.table.sym(v.typ)
if node.obj.smartcasts.len > 0 {
obj_sym := g.table.sym(node.obj.typ)
if !prevent_sum_type_unwrapping_once {
for _ in v.smartcasts {
for _ in node.obj.smartcasts {
g.write('(')
if v_sym.kind == .sum_type && !is_auto_heap {
if obj_sym.kind == .sum_type && !is_auto_heap {
g.write('*')
}
}
for i, typ in v.smartcasts {
for i, typ in node.obj.smartcasts {
cast_sym := g.table.sym(g.unwrap_generic(typ))
mut is_ptr := false
if i == 0 {
g.write(name)
if v.orig_type.is_ptr() {
if node.obj.orig_type.is_ptr() {
is_ptr = true
}
}
@ -3918,16 +3916,16 @@ fn (mut g Gen) ident(node ast.Ident) {
return
}
}
if v.is_inherited {
if node.obj.is_inherited {
g.write(closure_ctx + '->')
}
}
} else if node_info is ast.IdentFn {
} else if node.info is ast.IdentFn {
if g.pref.translated || g.file.is_translated {
// `p_mobjthinker` => `P_MobjThinker`
if f := g.table.find_fn(node.name) {
if func := g.table.find_fn(node.name) {
// TODO PERF fn lookup for each fn call in translated mode
if cattr := f.attrs.find_first('c') {
if cattr := func.attrs.find_first('c') {
name = cattr.arg
}
}