mirror of
https://github.com/Ed94/Odin.git
synced 2026-06-22 21:54:59 -07:00
Daniel Gavin
1438 lines
33 KiB
Odin
1438 lines
33 KiB
Odin
package odin_printer
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import "core:odin/ast"
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import "core:odin/tokenizer"
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import "core:strings"
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import "core:runtime"
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import "core:fmt"
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import "core:unicode/utf8"
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import "core:mem"
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@(private)
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comment_before_position :: proc(p: ^Printer, pos: tokenizer.Pos) -> bool {
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if len(p.comments) <= p.latest_comment_index {
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return false;
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}
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comment := p.comments[p.latest_comment_index];
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return comment.pos.offset < pos.offset;
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}
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@(private)
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next_comment_group :: proc(p: ^Printer) {
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p.latest_comment_index += 1;
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}
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@(private)
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push_comment :: proc(p: ^Printer, comment: tokenizer.Token) -> int {
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if len(comment.text) == 0 {
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return 0;
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}
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if comment.text[0] == '/' && comment.text[1] == '/' {
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format_token := Format_Token {
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spaces_before = 1,
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kind = .Comment,
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text = comment.text,
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};
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if len(p.current_line.format_tokens) == 0 {
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format_token.spaces_before = 0;
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}
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p.current_line.used = true;
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p.current_line.depth = p.depth;
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append(&p.current_line.format_tokens, format_token);
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p.last_token = &p.current_line.format_tokens[len(p.current_line.format_tokens)-1];
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hint_current_line(p, {.Line_Comment});
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return 0;
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} else {
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builder := strings.make_builder(context.temp_allocator);
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c_len := len(comment.text);
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trim_space := true;
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multilines: [dynamic] string;
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for i := 0; i < len(comment.text); i += 1 {
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c := comment.text[i];
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if c != ' ' && c != '\t' {
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trim_space = false;
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}
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if (c == ' ' || c == '\t' || c == '\n') && trim_space {
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continue;
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} else if c == 13 && comment.text[min(c_len - 1, i + 1)] == 10 {
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append(&multilines, strings.to_string(builder));
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builder = strings.make_builder(context.temp_allocator);
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trim_space = true;
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i += 1;
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} else if c == 10 {
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append(&multilines, strings.to_string(builder));
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builder = strings.make_builder(context.temp_allocator);
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trim_space = true;
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} else if c == '/' && comment.text[min(c_len - 1, i + 1)] == '*' {
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strings.write_string(&builder, "/*");
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trim_space = true;
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p.depth += 1;
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i += 1;
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} else if c == '*' && comment.text[min(c_len - 1, i + 1)] == '/' {
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p.depth -= 1;
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trim_space = true;
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strings.write_string(&builder, "*/");
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i += 1;
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} else {
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strings.write_byte(&builder, c);
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}
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}
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if strings.builder_len(builder) > 0 {
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append(&multilines, strings.to_string(builder));
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}
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for line in multilines {
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format_token := Format_Token {
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spaces_before = 1,
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kind = .Comment,
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text = line,
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};
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if len(p.current_line.format_tokens) == 0 {
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format_token.spaces_before = 0;
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}
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if strings.contains(line, "*/") {
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unindent(p);
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}
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p.current_line.used = true;
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p.current_line.depth = p.depth;
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append(&p.current_line.format_tokens, format_token);
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p.last_token = &p.current_line.format_tokens[len(p.current_line.format_tokens)-1];
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if strings.contains(line, "/*") {
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indent(p);
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}
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newline_position(p, 1);
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}
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return len(multilines);
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}
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}
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@(private)
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push_comments :: proc(p: ^Printer, pos: tokenizer.Pos) {
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prev_comment: ^tokenizer.Token;
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prev_comment_lines: int;
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for comment_before_position(p, pos) {
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comment_group := p.comments[p.latest_comment_index];
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if prev_comment == nil {
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lines := comment_group.pos.line - p.last_source_position.line;
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set_line(p, p.last_line_index + min(p.config.newline_limit, lines));
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}
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for comment, i in comment_group.list {
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if prev_comment != nil && p.last_source_position.line != comment.pos.line {
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newline_position(p, min(p.config.newline_limit, comment.pos.line - prev_comment.pos.line - prev_comment_lines));
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}
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prev_comment_lines = push_comment(p, comment);
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prev_comment = &comment_group.list[i];
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}
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next_comment_group(p);
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}
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if prev_comment != nil {
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newline_position(p, min(p.config.newline_limit, p.source_position.line - prev_comment.pos.line));
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}
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}
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@(private)
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append_format_token :: proc(p: ^Printer, format_token: Format_Token) -> ^Format_Token {
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format_token := format_token;
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if p.last_token != nil && (p.last_token.kind == .Ellipsis || p.last_token.kind == .Range_Half ||
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p.last_token.kind == .Open_Paren || p.last_token.kind == .Period ||
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p.last_token.kind == .Open_Brace || p.last_token.kind == .Open_Bracket) {
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format_token.spaces_before = 0;
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} else if p.merge_next_token {
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format_token.spaces_before = 0;
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p.merge_next_token = false;
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} else if p.space_next_token {
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format_token.spaces_before = 1;
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p.space_next_token = false;
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}
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push_comments(p, p.source_position);
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unwrapped_line := p.current_line;
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unwrapped_line.used = true;
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unwrapped_line.depth = p.depth;
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if len(unwrapped_line.format_tokens) == 0 && format_token.spaces_before == 1 {
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format_token.spaces_before = 0;
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}
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p.last_source_position = p.source_position;
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p.last_line_index = p.current_line_index;
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append(&unwrapped_line.format_tokens, format_token);
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return &unwrapped_line.format_tokens[len(unwrapped_line.format_tokens)-1];
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}
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@(private)
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push_generic_token :: proc(p: ^Printer, kind: tokenizer.Token_Kind, spaces_before: int, value := "") {
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format_token := Format_Token {
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spaces_before = spaces_before,
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kind = kind,
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text = tokenizer.tokens[kind],
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};
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if value != "" {
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format_token.text = value;
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}
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p.last_token = append_format_token(p, format_token);
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}
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@(private)
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push_string_token :: proc(p: ^Printer, text: string, spaces_before: int) {
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format_token := Format_Token {
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spaces_before = spaces_before,
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kind = .String,
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text = text,
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};
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p.last_token = append_format_token(p, format_token);
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}
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@(private)
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push_ident_token :: proc(p: ^Printer, text: string, spaces_before: int) {
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format_token := Format_Token {
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spaces_before = spaces_before,
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kind = .Ident,
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text = text,
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};
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p.last_token = append_format_token(p, format_token);
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}
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@(private)
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set_source_position :: proc(p: ^Printer, pos: tokenizer.Pos) {
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p.source_position = pos;
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}
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@(private)
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move_line :: proc(p: ^Printer, pos: tokenizer.Pos) {
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move_line_limit(p, pos, p.config.newline_limit);
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}
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@(private)
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move_line_limit :: proc(p: ^Printer, pos: tokenizer.Pos, limit: int) -> bool {
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lines := min(pos.line - p.source_position.line, limit);
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p.source_position = pos;
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p.current_line_index += lines;
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set_line(p, p.current_line_index);
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return lines > 0;
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}
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@(private)
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set_line :: proc(p: ^Printer, line: int) -> ^Line {
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unwrapped_line: ^Line;
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if line >= len(p.lines) {
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for i := len(p.lines); i <= line; i += 1 {
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new_line: Line;
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new_line.format_tokens = make([dynamic] Format_Token, 0, 50, p.allocator);
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append(&p.lines, new_line);
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}
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unwrapped_line = &p.lines[line];
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} else {
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unwrapped_line = &p.lines[line];
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}
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p.current_line = unwrapped_line;
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p.current_line_index = line;
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return unwrapped_line;
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}
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@(private)
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newline_position :: proc(p: ^Printer, count: int) {
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p.current_line_index += count;
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set_line(p, p.current_line_index);
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}
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@(private)
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indent :: proc(p: ^Printer) {
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p.depth += 1;
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}
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@(private)
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unindent :: proc(p: ^Printer) {
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p.depth -= 1;
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}
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@(private)
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merge_next_token :: proc(p: ^Printer) {
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p.merge_next_token = true;
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}
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@(private)
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space_next_token :: proc(p: ^Printer) {
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p.space_next_token = true;
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}
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@(private)
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hint_current_line :: proc(p: ^Printer, hint: Line_Type) {
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p.current_line.types |= hint;
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}
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@(private)
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visit_decl :: proc(p: ^Printer, decl: ^ast.Decl, called_in_stmt := false) {
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using ast;
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if decl == nil {
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return;
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}
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switch v in decl.derived {
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case Expr_Stmt:
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move_line(p, decl.pos);
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visit_expr(p, v.expr);
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if p.config.semicolons {
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push_generic_token(p, .Semicolon, 0);
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}
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case When_Stmt:
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visit_stmt(p, cast(^Stmt)decl);
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case Foreign_Import_Decl:
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if len(v.attributes) > 0 {
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move_line(p, v.attributes[0].pos);
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} else {
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move_line(p, decl.pos);
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}
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visit_attributes(p, v.attributes);
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push_generic_token(p, v.foreign_tok.kind, 0);
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push_generic_token(p, v.import_tok.kind, 1);
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if v.name != nil {
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push_ident_token(p, v.name.name, 1);
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}
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for path in v.fullpaths {
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push_ident_token(p, path, 0);
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}
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case Foreign_Block_Decl:
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if len(v.attributes) > 0 {
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move_line(p, v.attributes[0].pos);
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} else {
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move_line(p, decl.pos);
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}
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visit_attributes(p, v.attributes);
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push_generic_token(p, .Foreign, 0);
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visit_expr(p, v.foreign_library);
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visit_stmt(p, v.body);
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case Import_Decl:
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move_line(p, decl.pos);
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if v.name.text != "" {
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push_generic_token(p, v.import_tok.kind, 1);
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push_generic_token(p, v.name.kind, 1);
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push_ident_token(p, v.fullpath, 0);
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} else {
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push_generic_token(p, v.import_tok.kind, 1);
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push_ident_token(p, v.fullpath, 0);
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}
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case Value_Decl:
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if len(v.attributes) > 0 {
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move_line(p, v.attributes[0].pos);
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visit_attributes(p, v.attributes);
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}
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move_line(p, decl.pos);
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if v.is_using {
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push_generic_token(p, .Using, 0);
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}
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visit_exprs(p, v.names, true);
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if v.type != nil {
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if !v.is_mutable && v.type != nil {
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push_generic_token(p, .Colon, 1);
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} else {
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push_generic_token(p, .Colon, 0);
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}
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visit_expr(p, v.type);
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} else {
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if !v.is_mutable && v.type == nil {
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push_generic_token(p, .Colon, 1);
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push_generic_token(p, .Colon, 0);
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} else {
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push_generic_token(p, .Colon, 1);
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}
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}
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if v.is_mutable && v.type != nil && len(v.values) != 0 {
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push_generic_token(p, .Eq, 1);
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} else if v.is_mutable && v.type == nil && len(v.values) != 0 {
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push_generic_token(p, .Eq, 0);
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} else if !v.is_mutable && v.type != nil {
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push_generic_token(p, .Colon, 0);
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}
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visit_exprs(p, v.values, true);
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add_semicolon := true;
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for value in v.values {
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switch a in value.derived {
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case Proc_Lit, Union_Type, Enum_Type, Struct_Type:
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add_semicolon = false || called_in_stmt;
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}
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}
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if add_semicolon && p.config.semicolons && !p.skip_semicolon {
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push_generic_token(p, .Semicolon, 0);
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}
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case:
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panic(fmt.aprint(decl.derived));
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}
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}
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@(private)
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visit_exprs :: proc(p: ^Printer, list: []^ast.Expr, add_comma := false, trailing := false) {
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if len(list) == 0 {
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return;
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}
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//we have to newline the expressions to respect the source
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for expr, i in list {
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move_line_limit(p, expr.pos, 1);
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visit_expr(p, expr);
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if (i != len(list) - 1 || trailing) && add_comma {
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push_generic_token(p, .Comma, 0);
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}
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}
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}
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@(private)
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visit_attributes :: proc(p: ^Printer, attributes: [dynamic]^ast.Attribute) {
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if len(attributes) == 0 {
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return;
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}
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for attribute, i in attributes {
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push_generic_token(p, .At, 0);
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push_generic_token(p, .Open_Paren, 0);
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visit_exprs(p, attribute.elems, true);
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push_generic_token(p, .Close_Paren, 0);
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if len(attributes) - 1 != i {
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newline_position(p, 1);
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}
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}
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}
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@(private)
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visit_stmt :: proc(p: ^Printer, stmt: ^ast.Stmt, block_type: Block_Type = .Generic, empty_block := false, block_stmt := false) {
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using ast;
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if stmt == nil {
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return;
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}
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switch v in stmt.derived {
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case Value_Decl:
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visit_decl(p, cast(^Decl)stmt, true);
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return;
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case Foreign_Import_Decl:
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visit_decl(p, cast(^Decl)stmt, true);
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return;
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case Foreign_Block_Decl:
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visit_decl(p, cast(^Decl)stmt, true);
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return;
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}
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switch v in stmt.derived {
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case Using_Stmt:
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move_line(p, v.pos);
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push_generic_token(p, .Using, 1);
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visit_exprs(p, v.list, true);
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if p.config.semicolons {
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push_generic_token(p, .Semicolon, 0);
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}
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case Block_Stmt:
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move_line(p, v.pos);
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if v.pos.line == v.end.line && len(v.stmts) > 1 && p.config.split_multiple_stmts {
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if !empty_block {
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visit_begin_brace(p, v.pos, block_type);
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}
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set_source_position(p, v.pos);
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visit_block_stmts(p, v.stmts, true);
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set_source_position(p, v.end);
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if !empty_block {
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visit_end_brace(p, v.end);
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}
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} else if v.pos.line == v.end.line {
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if !empty_block {
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push_generic_token(p, .Open_Brace, 0);
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}
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set_source_position(p, v.pos);
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visit_block_stmts(p, v.stmts);
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set_source_position(p, v.end);
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if !empty_block {
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push_generic_token(p, .Close_Brace, 0);
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}
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} else {
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if !empty_block {
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visit_begin_brace(p, v.pos, block_type);
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}
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set_source_position(p, v.pos);
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visit_block_stmts(p, v.stmts);
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|
|
set_source_position(p, v.end);
|
|
|
|
if !empty_block {
|
|
visit_end_brace(p, v.end);
|
|
}
|
|
}
|
|
case If_Stmt:
|
|
move_line(p, v.pos);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
push_generic_token(p, .Colon, 0);
|
|
}
|
|
|
|
push_generic_token(p, .If, 1);
|
|
|
|
if v.init != nil {
|
|
p.skip_semicolon = true;
|
|
visit_stmt(p, v.init);
|
|
p.skip_semicolon = false;
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
|
|
visit_expr(p, v.cond);
|
|
|
|
uses_do := false;
|
|
|
|
if check_stmt, ok := v.body.derived.(Block_Stmt); ok && check_stmt.uses_do {
|
|
uses_do = true;
|
|
}
|
|
|
|
if uses_do && !p.config.convert_do {
|
|
push_generic_token(p, .Do, 1);
|
|
visit_stmt(p, v.body, .If_Stmt, true);
|
|
} else {
|
|
if uses_do {
|
|
newline_position(p, 1);
|
|
}
|
|
|
|
visit_stmt(p, v.body, .If_Stmt);
|
|
}
|
|
|
|
if v.else_stmt != nil {
|
|
|
|
if p.config.brace_style == .Allman || p.config.brace_style == .Stroustrup {
|
|
newline_position(p, 1);
|
|
}
|
|
|
|
push_generic_token(p, .Else, 1);
|
|
|
|
set_source_position(p, v.else_stmt.pos);
|
|
|
|
visit_stmt(p, v.else_stmt);
|
|
}
|
|
case Switch_Stmt:
|
|
move_line(p, v.pos);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
push_generic_token(p, .Colon, 0);
|
|
}
|
|
|
|
if v.partial {
|
|
push_ident_token(p, "#partial", 0);
|
|
}
|
|
|
|
push_generic_token(p, .Switch, 0);
|
|
|
|
if v.init != nil {
|
|
p.skip_semicolon = true;
|
|
visit_stmt(p, v.init);
|
|
p.skip_semicolon = false;
|
|
}
|
|
|
|
if v.init != nil && v.cond != nil {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
|
|
visit_expr(p, v.cond);
|
|
visit_stmt(p, v.body);
|
|
case Case_Clause:
|
|
move_line(p, v.pos);
|
|
|
|
if !p.config.indent_cases {
|
|
unindent(p);
|
|
}
|
|
|
|
push_generic_token(p, .Case, 0);
|
|
|
|
if v.list != nil {
|
|
visit_exprs(p, v.list, true);
|
|
}
|
|
|
|
push_generic_token(p, v.terminator.kind, 0);
|
|
|
|
indent(p);
|
|
|
|
visit_block_stmts(p, v.body);
|
|
|
|
unindent(p);
|
|
|
|
if !p.config.indent_cases {
|
|
indent(p);
|
|
}
|
|
case Type_Switch_Stmt:
|
|
move_line(p, v.pos);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
push_generic_token(p, .Colon, 0);
|
|
}
|
|
|
|
if v.partial {
|
|
push_ident_token(p, "partial", 0);
|
|
}
|
|
|
|
push_generic_token(p, .Switch, 0);
|
|
|
|
visit_stmt(p, v.tag);
|
|
visit_stmt(p, v.body);
|
|
case Assign_Stmt:
|
|
move_line(p, v.pos);
|
|
|
|
visit_exprs(p, v.lhs, true);
|
|
|
|
push_generic_token(p, v.op.kind, 1);
|
|
|
|
visit_exprs(p, v.rhs, true);
|
|
|
|
if block_stmt && p.config.semicolons {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
case Expr_Stmt:
|
|
move_line(p, v.pos);
|
|
visit_expr(p, v.expr);
|
|
if block_stmt && p.config.semicolons {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
case For_Stmt:
|
|
//this should be simplified
|
|
move_line(p, v.pos);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
push_generic_token(p, .Colon, 0);
|
|
}
|
|
|
|
push_generic_token(p, .For, 1);
|
|
|
|
if v.init != nil {
|
|
p.skip_semicolon = true;
|
|
visit_stmt(p, v.init);
|
|
p.skip_semicolon = false;
|
|
push_generic_token(p, .Semicolon, 0);
|
|
} else if v.post != nil {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
|
|
if v.cond != nil {
|
|
visit_expr(p, v.cond);
|
|
}
|
|
|
|
if v.post != nil {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
visit_stmt(p, v.post);
|
|
} else if v.post == nil && v.cond != nil && v.init != nil {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
|
|
visit_stmt(p, v.body);
|
|
case Inline_Range_Stmt:
|
|
|
|
move_line(p, v.pos);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
push_generic_token(p, .Colon, 1);
|
|
}
|
|
|
|
push_ident_token(p, "#unroll", 0);
|
|
|
|
push_generic_token(p, .For, 1);
|
|
visit_expr(p, v.val0);
|
|
|
|
if v.val1 != nil {
|
|
push_generic_token(p, .Comma, 0);
|
|
visit_expr(p, v.val1);
|
|
}
|
|
|
|
push_generic_token(p, .In, 1);
|
|
|
|
visit_expr(p, v.expr);
|
|
visit_stmt(p, v.body);
|
|
case Range_Stmt:
|
|
|
|
move_line(p, v.pos);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
push_generic_token(p, .Colon, 1);
|
|
}
|
|
|
|
push_generic_token(p, .For, 1);
|
|
|
|
if len(v.vals) >= 1 {
|
|
visit_expr(p, v.vals[0]);
|
|
}
|
|
|
|
if len(v.vals) >= 2 {
|
|
push_generic_token(p, .Comma, 0);
|
|
visit_expr(p, v.vals[1]);
|
|
}
|
|
|
|
push_generic_token(p, .In, 1);
|
|
|
|
visit_expr(p, v.expr);
|
|
|
|
visit_stmt(p, v.body);
|
|
case Return_Stmt:
|
|
move_line(p, v.pos);
|
|
|
|
push_generic_token(p, .Return, 1);
|
|
|
|
if v.results != nil {
|
|
visit_exprs(p, v.results, true);
|
|
}
|
|
|
|
if block_stmt && p.config.semicolons {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
case Defer_Stmt:
|
|
move_line(p, v.pos);
|
|
push_generic_token(p, .Defer, 0);
|
|
|
|
visit_stmt(p, v.stmt);
|
|
|
|
if p.config.semicolons {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
case When_Stmt:
|
|
move_line(p, v.pos);
|
|
push_generic_token(p, .When, 1);
|
|
visit_expr(p, v.cond);
|
|
|
|
visit_stmt(p, v.body);
|
|
|
|
if v.else_stmt != nil {
|
|
|
|
if p.config.brace_style == .Allman {
|
|
newline_position(p, 1);
|
|
}
|
|
|
|
push_generic_token(p, .Else, 1);
|
|
|
|
set_source_position(p, v.else_stmt.pos);
|
|
|
|
visit_stmt(p, v.else_stmt);
|
|
}
|
|
|
|
case Branch_Stmt:
|
|
|
|
move_line(p, v.pos);
|
|
|
|
push_generic_token(p, v.tok.kind, 0);
|
|
|
|
if v.label != nil {
|
|
visit_expr(p, v.label);
|
|
}
|
|
|
|
if p.config.semicolons {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
}
|
|
case:
|
|
panic(fmt.aprint(stmt.derived));
|
|
}
|
|
|
|
set_source_position(p, stmt.end);
|
|
}
|
|
|
|
|
|
@(private)
|
|
visit_expr :: proc(p: ^Printer, expr: ^ast.Expr) {
|
|
|
|
using ast;
|
|
|
|
if expr == nil {
|
|
return;
|
|
}
|
|
|
|
set_source_position(p, expr.pos);
|
|
|
|
switch v in expr.derived {
|
|
case Inline_Asm_Expr:
|
|
push_generic_token(p, v.tok.kind, 1, v.tok.text);
|
|
|
|
push_generic_token(p, .Open_Paren, 1);
|
|
visit_exprs(p, v.param_types, true, false);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
|
|
push_generic_token(p, .Sub, 1);
|
|
push_generic_token(p, .Gt, 0);
|
|
|
|
visit_expr(p, v.return_type);
|
|
|
|
push_generic_token(p, .Open_Brace, 1);
|
|
visit_expr(p, v.asm_string);
|
|
push_generic_token(p, .Comma, 0);
|
|
visit_expr(p, v.constraints_string);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
case Undef:
|
|
push_generic_token(p, .Undef, 1);
|
|
case Auto_Cast:
|
|
push_generic_token(p, v.op.kind, 1);
|
|
visit_expr(p, v.expr);
|
|
case Ternary_Expr:
|
|
visit_expr(p, v.cond);
|
|
push_generic_token(p, v.op1.kind, 1);
|
|
visit_expr(p, v.x);
|
|
push_generic_token(p, v.op2.kind, 1);
|
|
visit_expr(p, v.y);
|
|
case Ternary_If_Expr:
|
|
visit_expr(p, v.x);
|
|
push_generic_token(p, v.op1.kind, 1);
|
|
visit_expr(p, v.cond);
|
|
push_generic_token(p, v.op2.kind, 1);
|
|
visit_expr(p, v.y);
|
|
case Ternary_When_Expr:
|
|
visit_expr(p, v.x);
|
|
push_generic_token(p, v.op1.kind, 1);
|
|
visit_expr(p, v.cond);
|
|
push_generic_token(p, v.op2.kind, 1);
|
|
visit_expr(p, v.y);
|
|
case Selector_Call_Expr:
|
|
visit_expr(p, v.call.expr);
|
|
push_generic_token(p, .Open_Paren, 1);
|
|
visit_exprs(p, v.call.args, true);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
case Ellipsis:
|
|
push_generic_token(p, .Ellipsis, 1);
|
|
visit_expr(p, v.expr);
|
|
case Relative_Type:
|
|
visit_expr(p, v.tag);
|
|
visit_expr(p, v.type);
|
|
case Slice_Expr:
|
|
visit_expr(p, v.expr);
|
|
push_generic_token(p, .Open_Bracket, 0);
|
|
visit_expr(p, v.low);
|
|
push_generic_token(p, v.interval.kind, 0);
|
|
visit_expr(p, v.high);
|
|
push_generic_token(p, .Close_Bracket, 0);
|
|
case Ident:
|
|
push_ident_token(p, v.name, 1);
|
|
case Deref_Expr:
|
|
visit_expr(p, v.expr);
|
|
push_generic_token(p, v.op.kind, 0);
|
|
case Type_Cast:
|
|
push_generic_token(p, v.tok.kind, 1);
|
|
push_generic_token(p, .Open_Paren, 1);
|
|
visit_expr(p, v.type);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
visit_expr(p, v.expr);
|
|
case Basic_Directive:
|
|
push_generic_token(p, v.tok.kind, 1);
|
|
push_ident_token(p, v.name, 0);
|
|
case Distinct_Type:
|
|
push_generic_token(p, .Distinct, 1);
|
|
visit_expr(p, v.type);
|
|
case Dynamic_Array_Type:
|
|
visit_expr(p, v.tag);
|
|
push_generic_token(p, .Open_Bracket, 1);
|
|
push_generic_token(p, .Dynamic, 0);
|
|
push_generic_token(p, .Close_Bracket, 0);
|
|
visit_expr(p, v.elem);
|
|
case Bit_Set_Type:
|
|
push_generic_token(p, .Bit_Set, 1);
|
|
push_generic_token(p, .Open_Bracket, 0);
|
|
|
|
visit_expr(p, v.elem);
|
|
|
|
if v.underlying != nil {
|
|
push_generic_token(p, .Semicolon, 0);
|
|
visit_expr(p, v.underlying);
|
|
}
|
|
|
|
push_generic_token(p, .Close_Bracket, 0);
|
|
case Union_Type:
|
|
push_generic_token(p, .Union, 1);
|
|
|
|
if v.poly_params != nil {
|
|
push_generic_token(p, .Open_Paren, 0);
|
|
visit_field_list(p, v.poly_params, true, false);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
}
|
|
|
|
if v.is_maybe {
|
|
push_ident_token(p, "#maybe", 1);
|
|
}
|
|
|
|
if v.where_clauses != nil {
|
|
move_line(p, v.where_clauses[0].pos);
|
|
push_generic_token(p, .Where, 1);
|
|
visit_exprs(p, v.where_clauses, true);
|
|
}
|
|
|
|
if v.variants != nil && (len(v.variants) == 0 || v.pos.line == v.end.line) {
|
|
push_generic_token(p, .Open_Brace, 1);
|
|
visit_exprs(p, v.variants, true);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
} else {
|
|
visit_begin_brace(p, v.pos, .Generic);
|
|
newline_position(p, 1);
|
|
set_source_position(p, v.variants[0].pos);
|
|
visit_exprs(p, v.variants, true, true);
|
|
visit_end_brace(p, v.end);
|
|
}
|
|
case Enum_Type:
|
|
push_generic_token(p, .Enum, 1);
|
|
|
|
if v.base_type != nil {
|
|
visit_expr(p, v.base_type);
|
|
}
|
|
|
|
if v.fields != nil && (len(v.fields) == 0 || v.pos.line == v.end.line) {
|
|
push_generic_token(p, .Open_Brace, 1);
|
|
visit_exprs(p, v.fields, true);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
} else {
|
|
visit_begin_brace(p, v.pos, .Generic);
|
|
newline_position(p, 1);
|
|
set_source_position(p, v.fields[0].pos);
|
|
visit_exprs(p, v.fields, true, true);
|
|
visit_end_brace(p, v.end);
|
|
}
|
|
|
|
set_source_position(p, v.end);
|
|
case Struct_Type:
|
|
push_generic_token(p, .Struct, 1);
|
|
|
|
if v.is_packed {
|
|
push_ident_token(p, "#packed", 1);
|
|
}
|
|
|
|
if v.is_raw_union {
|
|
push_ident_token(p, "#raw_union", 1);
|
|
}
|
|
|
|
if v.align != nil {
|
|
push_ident_token(p, "#align", 1);
|
|
visit_expr(p, v.align);
|
|
}
|
|
|
|
if v.poly_params != nil {
|
|
push_generic_token(p, .Open_Paren, 0);
|
|
visit_field_list(p, v.poly_params, true, false);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
}
|
|
|
|
if v.where_clauses != nil {
|
|
move_line(p, v.where_clauses[0].pos);
|
|
push_generic_token(p, .Where, 1);
|
|
visit_exprs(p, v.where_clauses, true);
|
|
}
|
|
|
|
if v.fields != nil && (len(v.fields.list) == 0 || v.pos.line == v.end.line) {
|
|
push_generic_token(p, .Open_Brace, 1);
|
|
set_source_position(p, v.fields.pos);
|
|
visit_field_list(p, v.fields, true);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
} else {
|
|
visit_begin_brace(p, v.pos, .Generic);
|
|
newline_position(p, 1);
|
|
set_source_position(p, v.fields.pos);
|
|
visit_field_list(p, v.fields, true, true);
|
|
visit_end_brace(p, v.end);
|
|
}
|
|
|
|
set_source_position(p, v.end);
|
|
case Proc_Lit:
|
|
|
|
if v.inlining == .Inline {
|
|
push_ident_token(p, "#force_inline", 0);
|
|
}
|
|
|
|
visit_proc_type(p, v.type^);
|
|
|
|
if v.where_clauses != nil {
|
|
move_line(p, v.where_clauses[0].pos);
|
|
push_generic_token(p, .Where, 1);
|
|
visit_exprs(p, v.where_clauses, true);
|
|
}
|
|
|
|
if v.body != nil {
|
|
set_source_position(p, v.body.pos);
|
|
visit_stmt(p, v.body, .Proc);
|
|
} else {
|
|
push_generic_token(p, .Ellipsis, 1);
|
|
}
|
|
case Proc_Type:
|
|
visit_proc_type(p, v);
|
|
case Basic_Lit:
|
|
push_generic_token(p, v.tok.kind, 1, v.tok.text);
|
|
case Binary_Expr:
|
|
visit_binary_expr(p, v);
|
|
case Implicit_Selector_Expr:
|
|
push_generic_token(p, .Period, 0);
|
|
push_ident_token(p, v.field.name, 0);
|
|
case Call_Expr:
|
|
visit_expr(p, v.expr);
|
|
push_generic_token(p, .Open_Paren, 0);
|
|
visit_call_exprs(p, v.args, v.ellipsis.kind == .Ellipsis);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
case Typeid_Type:
|
|
push_generic_token(p, .Typeid, 1);
|
|
|
|
if v.specialization != nil {
|
|
push_generic_token(p, .Quo, 0);
|
|
visit_expr(p, v.specialization);
|
|
}
|
|
case Selector_Expr:
|
|
visit_expr(p, v.expr);
|
|
push_generic_token(p, v.op.kind, 0);
|
|
visit_expr(p, v.field);
|
|
case Paren_Expr:
|
|
push_generic_token(p, .Open_Paren, 1);
|
|
visit_expr(p, v.expr);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
case Index_Expr:
|
|
visit_expr(p, v.expr);
|
|
push_generic_token(p, .Open_Bracket, 0);
|
|
visit_expr(p, v.index);
|
|
push_generic_token(p, .Close_Bracket, 0);
|
|
case Proc_Group:
|
|
|
|
push_generic_token(p, v.tok.kind, 0);
|
|
|
|
if len(v.args) != 0 && v.pos.line != v.args[len(v.args) - 1].pos.line {
|
|
visit_begin_brace(p, v.pos, .Generic);
|
|
newline_position(p, 1);
|
|
set_source_position(p, v.args[0].pos);
|
|
visit_exprs(p, v.args, true, true);
|
|
visit_end_brace(p, v.end);
|
|
} else {
|
|
push_generic_token(p, .Open_Brace, 0);
|
|
visit_exprs(p, v.args, true);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
}
|
|
|
|
case Comp_Lit:
|
|
|
|
if v.type != nil {
|
|
visit_expr(p, v.type);
|
|
}
|
|
|
|
if len(v.elems) != 0 && v.pos.line != v.elems[len(v.elems) - 1].pos.line {
|
|
visit_begin_brace(p, v.pos, .Comp_Lit);
|
|
newline_position(p, 1);
|
|
set_source_position(p, v.elems[0].pos);
|
|
visit_exprs(p, v.elems, true, true);
|
|
visit_end_brace(p, v.end);
|
|
} else {
|
|
push_generic_token(p, .Open_Brace, 0);
|
|
visit_exprs(p, v.elems, true);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
}
|
|
|
|
case Unary_Expr:
|
|
push_generic_token(p, v.op.kind, 1);
|
|
merge_next_token(p);
|
|
visit_expr(p, v.expr);
|
|
case Field_Value:
|
|
visit_expr(p, v.field);
|
|
push_generic_token(p, .Eq, 1);
|
|
visit_expr(p, v.value);
|
|
case Type_Assertion:
|
|
visit_expr(p, v.expr);
|
|
|
|
if unary, ok := v.type.derived.(Unary_Expr); ok && unary.op.text == "?" {
|
|
push_generic_token(p, .Period, 0);
|
|
visit_expr(p, v.type);
|
|
} else {
|
|
push_generic_token(p, .Period, 0);
|
|
push_generic_token(p, .Open_Paren, 0);
|
|
visit_expr(p, v.type);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
}
|
|
|
|
case Pointer_Type:
|
|
push_generic_token(p, .Pointer, 1);
|
|
merge_next_token(p);
|
|
visit_expr(p, v.elem);
|
|
case Implicit:
|
|
push_generic_token(p, v.tok.kind, 1);
|
|
case Poly_Type:
|
|
push_generic_token(p, .Dollar, 1);
|
|
merge_next_token(p);
|
|
visit_expr(p, v.type);
|
|
|
|
if v.specialization != nil {
|
|
push_generic_token(p, .Quo, 0);
|
|
merge_next_token(p);
|
|
visit_expr(p, v.specialization);
|
|
}
|
|
case Array_Type:
|
|
visit_expr(p, v.tag);
|
|
push_generic_token(p, .Open_Bracket, 1);
|
|
visit_expr(p, v.len);
|
|
push_generic_token(p, .Close_Bracket, 0);
|
|
visit_expr(p, v.elem);
|
|
case Map_Type:
|
|
push_generic_token(p, .Map, 1);
|
|
push_generic_token(p, .Open_Bracket, 0);
|
|
visit_expr(p, v.key);
|
|
push_generic_token(p, .Close_Bracket, 0);
|
|
visit_expr(p, v.value);
|
|
case Helper_Type:
|
|
visit_expr(p, v.type);
|
|
case:
|
|
panic(fmt.aprint(expr.derived));
|
|
}
|
|
}
|
|
|
|
|
|
visit_begin_brace :: proc(p: ^Printer, begin: tokenizer.Pos, type: Block_Type) {
|
|
|
|
set_source_position(p, begin);
|
|
|
|
newline_braced := p.config.brace_style == .Allman;
|
|
newline_braced |= p.config.brace_style == .K_And_R && type == .Proc;
|
|
newline_braced &= p.config.brace_style != ._1TBS;
|
|
|
|
if newline_braced {
|
|
newline_position(p, 1);
|
|
push_generic_token(p, .Open_Brace, 0);
|
|
indent(p);
|
|
} else {
|
|
push_generic_token(p, .Open_Brace, 1);
|
|
indent(p);
|
|
}
|
|
}
|
|
|
|
visit_end_brace :: proc(p: ^Printer, end: tokenizer.Pos) {
|
|
set_source_position(p, end);
|
|
newline_position(p, 1);
|
|
push_generic_token(p, .Close_Brace, 0);
|
|
unindent(p);
|
|
p.current_line.depth = p.depth;
|
|
}
|
|
|
|
visit_block_stmts :: proc(p: ^Printer, stmts: []^ast.Stmt, newline_each := false) {
|
|
for stmt, i in stmts {
|
|
|
|
if newline_each {
|
|
newline_position(p, 1);
|
|
}
|
|
|
|
visit_stmt(p, stmt, .Generic, false, true);
|
|
}
|
|
}
|
|
|
|
visit_field_list :: proc(p: ^Printer, list: ^ast.Field_List, add_comma := false, trailing := false) {
|
|
|
|
if list.list == nil {
|
|
return;
|
|
}
|
|
|
|
for field, i in list.list {
|
|
|
|
move_line_limit(p, field.pos, 1);
|
|
|
|
if .Using in field.flags {
|
|
push_generic_token(p, .Using, 0);
|
|
}
|
|
|
|
visit_exprs(p, field.names, true);
|
|
|
|
if len(field.names) != 0 {
|
|
push_generic_token(p, .Colon, 0);
|
|
}
|
|
|
|
if field.type != nil {
|
|
visit_expr(p, field.type);
|
|
} else {
|
|
push_generic_token(p, .Colon, 0);
|
|
push_generic_token(p, .Eq, 0);
|
|
visit_expr(p, field.default_value);
|
|
}
|
|
|
|
if field.tag.text != "" {
|
|
push_generic_token(p, field.tag.kind, 1);
|
|
}
|
|
|
|
if (i != len(list.list) - 1 || trailing) && add_comma {
|
|
push_generic_token(p, .Comma, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
visit_proc_type :: proc(p: ^Printer, proc_type: ast.Proc_Type) {
|
|
|
|
push_generic_token(p, .Proc, 1);
|
|
|
|
explicit_calling := false;
|
|
|
|
switch proc_type.calling_convention {
|
|
case .Odin:
|
|
case .Contextless:
|
|
push_string_token(p, "\"contextless\"", 1);
|
|
explicit_calling = true;
|
|
case .C_Decl:
|
|
push_string_token(p, "\"c\"", 1);
|
|
explicit_calling = true;
|
|
case .Std_Call:
|
|
push_string_token(p, "\"std\"", 1);
|
|
explicit_calling = true;
|
|
case .Fast_Call:
|
|
push_string_token(p, "\"fast\"", 1);
|
|
explicit_calling = true;
|
|
case .None:
|
|
//nothing i guess
|
|
case .Invalid:
|
|
//nothing i guess
|
|
case .Foreign_Block_Default:
|
|
}
|
|
|
|
if explicit_calling {
|
|
push_generic_token(p, .Open_Paren, 1);
|
|
} else {
|
|
push_generic_token(p, .Open_Paren, 0);
|
|
}
|
|
|
|
visit_signature_list(p, proc_type.params, false);
|
|
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
|
|
if proc_type.results != nil {
|
|
push_generic_token(p, .Sub, 1);
|
|
push_generic_token(p, .Gt, 0);
|
|
|
|
use_parens := false;
|
|
use_named := false;
|
|
|
|
if len(proc_type.results.list) > 1 {
|
|
use_parens = true;
|
|
} else if len(proc_type.results.list) == 1 {
|
|
|
|
for name in proc_type.results.list[0].names {
|
|
if ident, ok := name.derived.(ast.Ident); ok {
|
|
if ident.name != "_" {
|
|
use_parens = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if use_parens {
|
|
push_generic_token(p, .Open_Paren, 1);
|
|
visit_signature_list(p, proc_type.results);
|
|
push_generic_token(p, .Close_Paren, 0);
|
|
} else {
|
|
visit_signature_list(p, proc_type.results);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
visit_binary_expr :: proc(p: ^Printer, binary: ast.Binary_Expr) {
|
|
|
|
move_line(p, binary.left.pos);
|
|
|
|
if v, ok := binary.left.derived.(ast.Binary_Expr); ok {
|
|
visit_binary_expr(p, v);
|
|
} else {
|
|
visit_expr(p, binary.left);
|
|
}
|
|
|
|
if binary.op.kind == .Ellipsis || binary.op.kind == .Range_Half {
|
|
push_generic_token(p, binary.op.kind, 0);
|
|
} else {
|
|
push_generic_token(p, binary.op.kind, 1);
|
|
}
|
|
|
|
move_line(p, binary.right.pos);
|
|
|
|
if v, ok := binary.right.derived.(ast.Binary_Expr); ok {
|
|
visit_binary_expr(p, v);
|
|
} else {
|
|
visit_expr(p, binary.right);
|
|
}
|
|
|
|
}
|
|
|
|
visit_call_exprs :: proc(p: ^Printer, list: []^ast.Expr, ellipsis := false) {
|
|
|
|
if len(list) == 0 {
|
|
return;
|
|
}
|
|
|
|
//all the expression are on the line
|
|
if list[0].pos.line == list[len(list) - 1].pos.line {
|
|
for expr, i in list {
|
|
|
|
if i == len(list) - 1 && ellipsis {
|
|
push_generic_token(p, .Ellipsis, 0);
|
|
}
|
|
|
|
visit_expr(p, expr);
|
|
|
|
if i != len(list) - 1 {
|
|
push_generic_token(p, .Comma, 0);
|
|
}
|
|
}
|
|
} else {
|
|
for expr, i in list {
|
|
|
|
//we have to newline the expressions to respect the source
|
|
move_line_limit(p, expr.pos, 1);
|
|
|
|
|
|
if i == len(list) - 1 && ellipsis {
|
|
push_generic_token(p, .Ellipsis, 0);
|
|
}
|
|
|
|
visit_expr(p, expr);
|
|
|
|
if i != len(list) - 1 {
|
|
push_generic_token(p, .Comma, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
visit_signature_list :: proc(p: ^Printer, list: ^ast.Field_List, remove_blank := true) {
|
|
|
|
if list.list == nil {
|
|
return;
|
|
}
|
|
|
|
for field, i in list.list {
|
|
|
|
move_line_limit(p, field.pos, 1);
|
|
|
|
if .Using in field.flags {
|
|
push_generic_token(p, .Using, 0);
|
|
}
|
|
|
|
named := false;
|
|
|
|
for name in field.names {
|
|
if ident, ok := name.derived.(ast.Ident); ok {
|
|
//for some reason the parser uses _ to mean empty
|
|
if ident.name != "_" || !remove_blank {
|
|
named = true;
|
|
}
|
|
} else {
|
|
//alternative is poly names
|
|
named = true;
|
|
}
|
|
}
|
|
|
|
if named {
|
|
visit_exprs(p, field.names, true);
|
|
|
|
if len(field.names) != 0 && field.type != nil {
|
|
push_generic_token(p, .Colon, 0);
|
|
}
|
|
}
|
|
|
|
if field.type != nil && field.default_value != nil {
|
|
visit_expr(p, field.type);
|
|
push_generic_token(p, .Eq, 0);
|
|
visit_expr(p, field.default_value);
|
|
} else if field.type != nil {
|
|
visit_expr(p, field.type);
|
|
} else {
|
|
push_generic_token(p, .Colon, 1);
|
|
push_generic_token(p, .Eq, 0);
|
|
visit_expr(p, field.default_value);
|
|
}
|
|
|
|
if i != len(list.list) - 1 {
|
|
push_generic_token(p, .Comma, 0);
|
|
}
|
|
}
|
|
}
|
|
|