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transformer: minor optimization for 'string literal'.len (#14207)

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This commit is contained in:
StunxFS
2022-04-28 15:35:16 -04:00
committed by GitHub
parent e56385d57d
commit e24482a143
6 changed files with 19 additions and 4 deletions
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6
vlib/v/transformer/transformer.v
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@@ -636,6 +636,12 @@ pub fn (mut t Transformer) expr(mut node ast.Expr) ast.Expr {
}
ast.SelectorExpr {
node.expr = t.expr(mut node.expr)
if mut node.expr is ast.StringLiteral && node.field_name == 'len' {
return ast.IntegerLiteral{
val: node.expr.val.len.str()
pos: node.pos
}
}
}
ast.SizeOf {
node.expr = t.expr(mut node.expr)