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optimize `for c in str {`

pull/2940/head
Alexander Medvednikov 2019-11-30 09:41:32 +03:00
parent c7f8f2175b
commit d71532b64e
1 changed files with 9 additions and 7 deletions
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6
vlib/compiler/gen_c.v
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@ -366,10 +366,12 @@ fn (p mut Parser) gen_for_header(i, tmp, var_typ, val string) {
} }
fn (p mut Parser) gen_for_str_header(i, tmp, var_typ, val string) { fn (p mut Parser) gen_for_str_header(i, tmp, var_typ, val string) {
p.genln('array_byte bytes_$tmp = string_bytes( $tmp );') // TODO var_typ is always byte
//p.genln('array_byte bytes_$tmp = string_bytes( $tmp );')
p.genln(';\nfor (int $i = 0; $i < $tmp .len; $i ++) {') p.genln(';\nfor (int $i = 0; $i < $tmp .len; $i ++) {')
if val == '_' { return } if val == '_' { return }
p.genln('$var_typ $val = (($var_typ *) bytes_$tmp . data)[$i];') //p.genln('$var_typ $val = (($var_typ *) bytes_$tmp . data)[$i];')
p.genln('$var_typ $val = ${tmp}.str[$i];')
} }
fn (p mut Parser) gen_for_range_header(i, range_end, tmp, var_type, val string) { fn (p mut Parser) gen_for_range_header(i, range_end, tmp, var_type, val string) {