cgen/autofree: sb.writeln() optimization fixes
parent
e5a5e76a30
commit
1c682d7b89
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@ -42,10 +42,10 @@ fn main() {
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return
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}
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*/
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last_commits := exec('git log --pretty=format:"%h" -n 20').split('\n')
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last_commits := exec('git log --pretty=format:"%h" -n 50').split('\n')
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// Fetch all unprocessed commits (commits after the last processed commit)
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mut commits := []string{}
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println('last_commit="$commit_hash"')
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println('!last_commit="$commit_hash"')
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for i, c in last_commits {
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if c == commit_hash {
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commits = last_commits[..i].reverse()
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@ -1,5 +1,7 @@
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import strings
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type MyInt = int
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fn test_sb() {
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mut sb := strings.Builder{}
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sb.write('hi')
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@ -15,7 +17,20 @@ fn test_sb() {
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sb.write('b')
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assert sb.len == 2
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assert sb.str() == 'ab'
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///
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// Test interpolation optimization
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sb = strings.new_builder(10)
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x := 10
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y := MyInt(20)
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sb.writeln('x = $x y = $y')
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res := sb.str()
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assert res[res.len-1] == `\n`
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println('"$res"')
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assert res.trim_space() == 'x = 10 y = 20'
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//
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sb = strings.new_builder(10)
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sb.write('x = $x y = $y')
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assert sb.str() == 'x = 10 y = 20'
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$if !windows {
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// TODO msvc bug
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sb = strings.new_builder(10)
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@ -146,22 +146,15 @@ fn (mut g Gen) string_inter_literal_sb_optimized(call_expr ast.CallExpr) {
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// sb_name := g.cur_call_expr.left
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// g.go_before_stmt(0)
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g.writeln('// sb inter opt')
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write := 'writeln'
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/*
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if node.vals.len != node.exprs.len {
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println('NOPE')
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println(node.vals)
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println('==========')
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println(node.exprs)
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}
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*/
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is_nl := call_expr.name == 'writeln'
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// println('optimize sb $call_expr.name')
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for i, val in node.vals {
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escaped_val := val.replace_each(['"', '\\"', '\r\n', '\\n', '\n', '\\n', '%', '%%'])
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// if val == '' {
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// break
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// continue
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// }
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g.write('strings__Builder_${write}(&')
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g.write('strings__Builder_write(&')
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g.expr(call_expr.left)
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g.write(', tos_lit("')
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g.write(escaped_val)
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@ -173,11 +166,23 @@ fn (mut g Gen) string_inter_literal_sb_optimized(call_expr ast.CallExpr) {
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// if node.expr_types.len <= i || node.exprs.len <= i {
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// continue
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// }
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g.write('strings__Builder_${write}(&')
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if is_nl && i == node.exprs.len - 1 {
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g.write('strings__Builder_writeln(&')
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} else {
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g.write('strings__Builder_write(&')
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}
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g.expr(call_expr.left)
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g.write(', ')
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g.write(g.typ(node.expr_types[i]))
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g.write('_str(')
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typ := node.expr_types[i]
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sym := g.table.get_type_symbol(typ)
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// if typ.is_number() {
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if sym.kind == .alias && (sym.info as table.Alias).parent_type.is_number() {
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// Handle number aliases TODO this must be more generic, handled by g.typ()?
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g.write('int_str(')
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} else {
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g.write(g.typ(typ))
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g.write('_str(')
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}
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g.expr(node.exprs[i])
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g.writeln('));')
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}
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