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cgen: remove 0 typ checks & unused var

pull/4110/head
Joe Conigliaro 2020-03-24 22:55:41 +11:00
parent 9a8bd3f7fa
commit d98bb44490
1 changed files with 17 additions and 20 deletions
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37
vlib/v/gen/cgen.v
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@ -363,10 +363,10 @@ fn (g mut Gen) stmt(node ast.Stmt) {
// `for num in nums {`
g.writeln('// FOR IN')
i := if it.key_var == '' { g.new_tmp_var() } else { it.key_var }
styp := g.typ(it.val_type)
g.write('for (int $i = 0; $i < ')
g.expr(it.cond)
g.writeln('.len; $i++) {')
styp := g.typ(it.val_type)
g.write('$styp $it.val_var = (($styp*)')
g.expr(it.cond)
g.writeln('.data)[$i];')
@ -381,12 +381,12 @@ fn (g mut Gen) stmt(node ast.Stmt) {
keys_tmp := 'keys_' + g.new_tmp_var()
idx := g.new_tmp_var()
key := if it.key_var == '' { g.new_tmp_var() } else { it.key_var }
zero := g.type_default(it.val_type)
g.write('array_$key_styp $keys_tmp = map_keys(&')
g.expr(it.cond)
g.writeln(');')
g.writeln('for (int $idx = 0; $idx < ${keys_tmp}.len; $idx++) {')
g.writeln('$key_styp $key = (($key_styp*)${keys_tmp}.data)[$idx];')
zero := g.type_default(it.val_type)
g.write('$val_styp $it.val_var = (*($val_styp*)map_get3(')
g.expr(it.cond)
g.writeln(', $key, &($val_styp[]){ $zero }));')
@ -396,10 +396,10 @@ fn (g mut Gen) stmt(node ast.Stmt) {
else if table.type_is_variadic(it.cond_type) {
g.writeln('// FOR IN')
i := if it.key_var == '' { g.new_tmp_var() } else { it.key_var }
styp := g.typ(it.cond_type)
g.write('for (int $i = 0; $i < ')
g.expr(it.cond)
g.writeln('.len; $i++) {')
styp := g.typ(it.cond_type)
g.write('$styp $it.val_var = ')
g.expr(it.cond)
g.writeln('.args[$i];')
@ -464,7 +464,7 @@ fn (g mut Gen) stmt(node ast.Stmt) {
// use instead of expr() when you need to cast to sum type (can add other casts also)
fn (g mut Gen) expr_with_cast(expr ast.Expr, got_type table.Type, exp_type table.Type) {
// cast to sum type
if exp_type != table.void_type && exp_type != 0 && got_type != 0 {
if exp_type != table.void_type {
exp_sym := g.table.get_type_symbol(exp_type)
if exp_sym.kind == .sum_type {
sum_info := exp_sym.info as table.SumType
@ -685,7 +685,7 @@ fn (g mut Gen) fn_args(args []table.Arg, is_variadic bool) {
if is_varg {
varg_type_str := int(arg.typ).str()
if (!varg_type_str in g.variadic_args) {
g.variadic_args[int(arg.typ).str()] = 0
g.variadic_args[varg_type_str] = 0
}
arg_type_name = 'varg_' + g.typ(arg.typ).replace('*', '_ptr')
}
@ -1386,16 +1386,13 @@ fn (g mut Gen) index_expr(node ast.IndexExpr) {
mut is_range := false
match node.index {
ast.RangeExpr {
// TODO should never be 0
if node.container_type != 0 {
sym := g.table.get_type_symbol(node.container_type)
is_range = true
if sym.kind == .string {
g.write('string_substr(')
}
else if sym.kind == .array {
g.write('array_slice(')
}
sym := g.table.get_type_symbol(node.container_type)
is_range = true
if sym.kind == .string {
g.write('string_substr(')
}
else if sym.kind == .array {
g.write('array_slice(')
}
g.expr(node.left)
g.write(', ')
@ -1418,7 +1415,7 @@ fn (g mut Gen) index_expr(node ast.IndexExpr) {
}
else {}
}
if !is_range && node.container_type != 0 {
if !is_range {
sym := g.table.get_type_symbol(node.container_type)
if table.type_is_variadic(node.container_type) {
g.expr(node.left)
@ -1676,10 +1673,9 @@ fn (g mut Gen) call_args(args []ast.CallArg) {
if table.type_is_variadic(arg.expected_type) {
struct_name := 'varg_' + g.typ(arg.expected_type).replace('*', '_ptr')
len := args.len - i
type_str := int(arg.expected_type).str()
if len > g.variadic_args[type_str] {
x := g.variadic_args[type_str]
g.variadic_args[type_str] = len
varg_type_str := int(arg.expected_type).str()
if len > g.variadic_args[varg_type_str] {
g.variadic_args[varg_type_str] = len
}
g.write('($struct_name){.len=$len,.args={')
for j in i .. args.len {
@ -1692,6 +1688,7 @@ fn (g mut Gen) call_args(args []ast.CallArg) {
g.write('}}')
break
}
// some c fn definitions dont have args (cfns.v) or are not updated in checker
if arg.expected_type != 0 {
g.ref_or_deref_arg(arg)
g.expr_with_cast(arg.expr, arg.typ, arg.expected_type)