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gen: cleanup Gen.array init (#10613)

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Enzo 2021-06-30 08:45:18 +02:00 committed by GitHub
parent 6838030ab5
commit b351aa1289
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1 changed files with 21 additions and 22 deletions
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43
vlib/v/gen/c/array.v
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@ -6,8 +6,9 @@ import strings
import v.ast
fn (mut g Gen) array_init(node ast.ArrayInit) {
type_sym := g.table.get_type_symbol(node.typ)
styp := g.typ(node.typ)
array_type := g.unwrap(node.typ)
mut array_styp := ''
elem_type := g.unwrap(node.elem_type)
mut shared_styp := '' // only needed for shared &[]{...}
is_amp := g.is_amp
g.is_amp = false
@ -15,13 +16,13 @@ fn (mut g Gen) array_init(node ast.ArrayInit) {
g.out.go_back(1) // delete the `&` already generated in `prefix_expr()
}
if g.is_shared {
mut shared_typ := node.typ.set_flag(.shared_f)
shared_styp = g.typ(shared_typ)
shared_styp = g.typ(array_type.typ.set_flag(.shared_f))
g.writeln('($shared_styp*)__dup_shared_array(&($shared_styp){.mtx = {0}, .val =')
} else if is_amp {
g.write('HEAP($styp, ')
array_styp = g.typ(array_type.typ)
g.write('HEAP($array_styp, ')
}
if type_sym.kind == .array_fixed {
if array_type.unaliased_sym.kind == .array_fixed {
g.write('{')
if node.has_val {
for i, expr in node.exprs {
@ -35,7 +36,7 @@ fn (mut g Gen) array_init(node ast.ArrayInit) {
}
} else if node.has_default {
g.expr(node.default_expr)
info := type_sym.info as ast.ArrayFixed
info := array_type.unaliased_sym.info as ast.ArrayFixed
for _ in 1 .. info.size {
g.write(', ')
g.expr(node.default_expr)
@ -46,11 +47,10 @@ fn (mut g Gen) array_init(node ast.ArrayInit) {
g.write('}')
return
}
elem_type_str := g.typ(node.elem_type)
noscan := g.check_noscan(node.elem_type)
elem_styp := g.typ(elem_type.typ)
noscan := g.check_noscan(elem_type.typ)
if node.exprs.len == 0 {
elem_sym := g.table.get_type_symbol(node.elem_type)
is_default_array := elem_sym.kind == .array && node.has_default
is_default_array := elem_type.unaliased_sym.kind == .array && node.has_default
if is_default_array {
g.write('__new_array_with_array_default${noscan}(')
} else {
@ -68,25 +68,25 @@ fn (mut g Gen) array_init(node ast.ArrayInit) {
} else {
g.write('0, ')
}
if elem_sym.kind == .function {
if elem_type.unaliased_sym.kind == .function {
g.write('sizeof(voidptr), ')
} else {
g.write('sizeof($elem_type_str), ')
g.write('sizeof($elem_styp), ')
}
if is_default_array {
g.write('($elem_type_str[]){')
g.write('($elem_styp[]){')
g.expr(node.default_expr)
g.write('}[0])')
} else if node.has_default {
g.write('&($elem_type_str[]){')
g.write('&($elem_styp[]){')
g.expr(node.default_expr)
g.write('})')
} else if node.has_len && node.elem_type == ast.string_type {
g.write('&($elem_type_str[]){')
g.write('&($elem_styp[]){')
g.write('_SLIT("")')
g.write('})')
} else if node.has_len && elem_sym.kind in [.array, .map] {
g.write('(voidptr)&($elem_type_str[]){')
} else if node.has_len && elem_type.unaliased_sym.kind in [.array, .map] {
g.write('(voidptr)&($elem_styp[]){')
g.write(g.type_default(node.elem_type))
g.write('}[0])')
} else {
@ -100,11 +100,10 @@ fn (mut g Gen) array_init(node ast.ArrayInit) {
return
}
len := node.exprs.len
elem_sym := g.table.get_type_symbol(node.elem_type)
if elem_sym.kind == .function {
if elem_type.unaliased_sym.kind == .function {
g.write('new_array_from_c_array($len, $len, sizeof(voidptr), _MOV((voidptr[$len]){')
} else {
g.write('new_array_from_c_array${noscan}($len, $len, sizeof($elem_type_str), _MOV(($elem_type_str[$len]){')
g.write('new_array_from_c_array${noscan}($len, $len, sizeof($elem_styp), _MOV(($elem_styp[$len]){')
}
if len > 8 {
g.writeln('')
@ -125,7 +124,7 @@ fn (mut g Gen) array_init(node ast.ArrayInit) {
if g.is_shared {
g.write('}, sizeof($shared_styp))')
} else if is_amp {
g.write('), sizeof($styp))')
g.write('), sizeof($array_styp))')
}
}