mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
3013 lines
70 KiB
V
3013 lines
70 KiB
V
// Copyright (c) 2019-2023 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module fmt
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import strings
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import v.ast
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import v.util
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import v.pref
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const (
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bs = '\\'
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// when to break a line depending on the penalty
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max_len = [0, 35, 60, 85, 93, 100]
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)
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[minify]
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pub struct Fmt {
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pub mut:
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file ast.File
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table &ast.Table = unsafe { nil }
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pref &pref.Preferences = unsafe { nil }
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is_debug bool
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out strings.Builder
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out_imports strings.Builder
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indent int
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empty_line bool
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line_len int // the current line length, Note: it counts \t as 4 spaces, and starts at 0 after f.writeln
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buffering bool // disables line wrapping for exprs that will be analyzed later
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par_level int // how many parentheses are put around the current expression
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array_init_break []bool // line breaks after elements in hierarchy level of multi dimensional array
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array_init_depth int // current level of hierarchy in array init
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single_line_if bool
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cur_mod string
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did_imports bool
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is_assign bool
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is_struct_init bool
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auto_imports []string // automatically inserted imports that the user forgot to specify
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import_pos int // position of the imports in the resulting string for later autoimports insertion
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used_imports []string // to remove unused imports
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import_syms_used map[string]bool // to remove unused import symbols.
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mod2alias map[string]string // for `import time as t`, will contain: 'time'=>'t'
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mod2syms map[string]string // import time { now } 'time.now'=>'now'
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use_short_fn_args bool
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single_line_fields bool // should struct fields be on a single line
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it_name string // the name to replace `it` with
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in_lambda_depth int
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inside_const bool
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inside_unsafe bool
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inside_comptime_if bool
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is_mbranch_expr bool // match a { x...y { } }
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fn_scope &ast.Scope = unsafe { nil }
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wsinfix_depth int
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format_state FormatState
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source_text string // can be set by `echo "println('hi')" | v fmt`, i.e. when processing source not from a file, but from stdin. In this case, it will contain the entire input text. You can use f.file.path otherwise, and read from that file.
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}
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[params]
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pub struct FmtOptions {
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source_text string
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}
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pub fn fmt(file ast.File, table &ast.Table, pref_ &pref.Preferences, is_debug bool, options FmtOptions) string {
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mut f := Fmt{
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file: file
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table: table
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pref: pref_
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is_debug: is_debug
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out: strings.new_builder(1000)
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out_imports: strings.new_builder(200)
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}
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f.source_text = options.source_text
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f.process_file_imports(file)
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f.set_current_module_name('main')
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// As these are toplevel stmts, the indent increase done in f.stmts() has to be compensated
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f.indent--
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f.stmts(file.stmts)
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f.indent++
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f.imports(f.file.imports) // now that we have all autoimports, handle them
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res := f.out.str().trim_space() + '\n'
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if res.len == 1 {
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return f.out_imports.str().trim_space() + '\n'
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}
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if res.len <= f.import_pos {
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imp_str := f.out_imports.str().trim_space()
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if imp_str.len > 0 {
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return res + '\n' + imp_str + '\n'
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} else {
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return res
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}
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} else {
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return res[..f.import_pos] + f.out_imports.str() + res[f.import_pos..]
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}
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}
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pub fn (mut f Fmt) process_file_imports(file &ast.File) {
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for imp in file.imports {
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f.mod2alias[imp.mod] = imp.alias
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for sym in imp.syms {
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f.mod2alias['${imp.mod}.${sym.name}'] = sym.name
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f.mod2alias['${imp.mod.all_after_last('.')}.${sym.name}'] = sym.name
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f.mod2alias[sym.name] = sym.name
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f.mod2syms['${imp.mod}.${sym.name}'] = sym.name
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f.mod2syms['${imp.mod.all_after_last('.')}.${sym.name}'] = sym.name
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f.mod2syms[sym.name] = sym.name
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f.import_syms_used[sym.name] = false
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}
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}
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f.auto_imports = file.auto_imports
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}
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//=== Basic buffer write operations ===//
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pub fn (mut f Fmt) write(s string) {
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if f.indent > 0 && f.empty_line {
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f.write_indent()
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}
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f.out.write_string(s)
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f.line_len += s.len
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f.empty_line = false
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}
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pub fn (mut f Fmt) writeln(s string) {
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if f.indent > 0 && f.empty_line && s.len > 0 {
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f.write_indent()
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}
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f.out.writeln(s)
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f.empty_line = true
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f.line_len = 0
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}
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fn (mut f Fmt) write_indent() {
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f.out.write_string(util.tabs(f.indent))
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f.line_len += f.indent * 4
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}
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pub fn (mut f Fmt) wrap_long_line(penalty_idx int, add_indent bool) bool {
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if f.buffering {
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return false
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}
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if penalty_idx > 0 && f.line_len <= fmt.max_len[penalty_idx] {
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return false
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}
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if f.out.last() == ` ` {
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f.out.go_back(1)
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}
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f.write('\n')
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f.line_len = 0
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if add_indent {
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f.indent++
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}
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f.write_indent()
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if add_indent {
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f.indent--
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}
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return true
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}
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[params]
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pub struct RemoveNewLineConfig {
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imports_buffer bool // Work on f.out_imports instead of f.out
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}
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// When the removal action actually occurs, the string of the last line after the removal is returned
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pub fn (mut f Fmt) remove_new_line(cfg RemoveNewLineConfig) string {
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mut buffer := if cfg.imports_buffer { unsafe { &f.out_imports } } else { unsafe { &f.out } }
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mut i := 0
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for i = buffer.len - 1; i >= 0; i-- {
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if !buffer.byte_at(i).is_space() { // != `\n` {
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break
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}
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}
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if i == buffer.len - 1 {
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return ''
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}
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buffer.go_back(buffer.len - i - 1)
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f.empty_line = false
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mut line_len := 0
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mut last_line_str := []u8{}
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for i = buffer.len - 1; i >= 0; i-- {
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ch := buffer.byte_at(i)
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if ch == `\n` {
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break
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}
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line_len += if ch == `\t` { 4 } else { 1 }
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last_line_str << ch
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}
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f.line_len = line_len
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return last_line_str.reverse().bytestr()
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}
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//=== Specialized write methods ===//
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fn (mut f Fmt) write_language_prefix(lang ast.Language) {
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match lang {
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.c { f.write('C.') }
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.js { f.write('JS.') }
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.wasm { f.write('WASM.') }
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else {}
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}
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}
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fn (mut f Fmt) write_generic_types(gtypes []ast.Type) {
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if gtypes.len > 0 {
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f.write('[')
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gtypes_string := gtypes.map(f.table.type_to_str(it)).join(', ')
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f.write(gtypes_string)
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f.write(']')
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}
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}
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//=== Module handling helper methods ===//
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pub fn (mut f Fmt) set_current_module_name(cmodname string) {
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f.cur_mod = cmodname
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f.table.cmod_prefix = cmodname + '.'
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}
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fn (f Fmt) get_modname_prefix(mname string) (string, string) {
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// ./tests/proto_module_importing_vproto_keep.vv to know, why here is checked for ']' and '&'
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if !mname.contains(']') && !mname.contains('&') {
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return mname, ''
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}
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after_rbc := mname.all_after_last(']')
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after_ref := mname.all_after_last('&')
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modname := if after_rbc.len < after_ref.len { after_rbc } else { after_ref }
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return modname, mname.trim_string_right(modname)
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}
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fn (mut f Fmt) is_external_name(name string) bool {
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if name.len > 2 && name[0] == `C` && name[1] == `.` {
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return true
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}
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if name.len > 3 && name[0] == `J` && name[1] == `S` && name[2] == `.` {
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return true
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}
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return false
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}
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pub fn (mut f Fmt) no_cur_mod(typename string) string {
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return util.no_cur_mod(typename, f.cur_mod)
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}
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// foo.bar.fn() => bar.fn()
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pub fn (mut f Fmt) short_module(name string) string {
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if !name.contains('.') || name.starts_with('JS.') {
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return name
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}
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if name in f.mod2syms {
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return f.mod2syms[name]
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}
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if name.ends_with(']') {
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generic_levels := name.trim_string_right(']').split('[')
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mut res := '${f.short_module(generic_levels[0])}'
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for i in 1 .. generic_levels.len {
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genshorts := generic_levels[i].split(', ').map(f.short_module(it)).join(', ')
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res += '[${genshorts}'
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}
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res += ']'
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return res
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}
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vals := name.split('.')
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if vals.len < 2 {
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return name
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}
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idx := vals.len - 1
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mname, tprefix := f.get_modname_prefix(vals[..idx].join('.'))
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symname := vals.last()
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mut aname := f.mod2alias[mname]
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if aname == '' {
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for _, v in f.mod2alias {
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if v == mname {
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aname = mname
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break
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}
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}
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}
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if aname == '' {
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return '${tprefix}${symname}'
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}
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return '${tprefix}${aname}.${symname}'
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}
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//=== Import-related methods ===//
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pub fn (mut f Fmt) mark_types_import_as_used(typ ast.Type) {
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sym := f.table.sym(typ)
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match sym.info {
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ast.Map {
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map_info := sym.map_info()
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f.mark_types_import_as_used(map_info.key_type)
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f.mark_types_import_as_used(map_info.value_type)
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return
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}
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ast.Array, ast.ArrayFixed {
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f.mark_types_import_as_used(sym.info.elem_type)
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return
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}
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ast.GenericInst {
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for concrete_typ in sym.info.concrete_types {
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f.mark_types_import_as_used(concrete_typ)
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}
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}
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else {}
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}
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name := sym.name.split('[')[0] // take `Type` from `Type[T]`
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f.mark_import_as_used(name)
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}
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// `name` is a function (`foo.bar()`) or type (`foo.Bar{}`)
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pub fn (mut f Fmt) mark_import_as_used(name string) {
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parts := name.split('.')
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last := parts.last()
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if last in f.import_syms_used {
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f.import_syms_used[last] = true
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}
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if parts.len == 1 {
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return
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}
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mod := parts[0..parts.len - 1].join('.')
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if mod in f.used_imports {
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return
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}
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f.used_imports << mod
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}
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pub fn (mut f Fmt) imports(imports []ast.Import) {
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if f.did_imports || imports.len == 0 {
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return
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}
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f.did_imports = true
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mut num_imports := 0
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mut already_imported := map[string]bool{}
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for imp in imports {
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if imp.mod !in f.used_imports {
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// TODO bring back once only unused imports are removed
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// continue
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}
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if imp.mod in f.auto_imports && imp.mod !in f.used_imports {
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continue
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}
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import_text := 'import ${f.imp_stmt_str(imp)}'
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if already_imported[import_text] {
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continue
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}
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already_imported[import_text] = true
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if !f.format_state.is_vfmt_on {
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import_original_source_lines := f.get_source_lines()#[imp.pos.line_nr..
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imp.pos.last_line + 1].join('\n')
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f.out_imports.writeln(import_original_source_lines)
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// NOTE: imp.comments are on the *same line*, so they are already included in import_original_source_lines
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f.import_comments(imp.next_comments)
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} else {
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f.out_imports.writeln(import_text)
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f.import_comments(imp.comments, inline: true)
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f.import_comments(imp.next_comments)
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}
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num_imports++
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}
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if num_imports > 0 {
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f.out_imports.writeln('')
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}
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}
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pub fn (f Fmt) imp_stmt_str(imp ast.Import) string {
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mod := if imp.mod.len == 0 { imp.alias } else { imp.mod }
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normalized_mod := mod.all_after('src.') // Ignore the 'src.' folder prefix since src/ folder is root of code
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is_diff := imp.alias != normalized_mod && !normalized_mod.ends_with('.' + imp.alias)
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mut imp_alias_suffix := if is_diff { ' as ${imp.alias}' } else { '' }
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mut syms := imp.syms.map(it.name).filter(f.import_syms_used[it])
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syms.sort()
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if syms.len > 0 {
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imp_alias_suffix += if imp.syms[0].pos.line_nr == imp.pos.line_nr {
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' { ' + syms.join(', ') + ' }'
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} else {
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' {\n\t' + syms.join(',\n\t') + ',\n}'
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}
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}
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return '${normalized_mod}${imp_alias_suffix}'
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}
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//=== Node helpers ===//
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fn (f Fmt) should_insert_newline_before_node(node ast.Node, prev_node ast.Node) bool {
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// No need to insert a newline if there is already one
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if f.out.last_n(2) == '\n\n' {
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return false
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}
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prev_line_nr := prev_node.pos().last_line
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// The nodes are Stmts
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if node is ast.Stmt && prev_node is ast.Stmt {
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match prev_node {
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// Force a newline after a block of HashStmts
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ast.HashStmt {
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if node !in [ast.HashStmt, ast.ExprStmt] {
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return true
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}
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}
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// Force a newline after function declarations
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// The only exception is inside a block of no_body functions
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ast.FnDecl {
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if node !is ast.FnDecl || !prev_node.no_body {
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return true
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}
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}
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// Force a newline after struct declarations
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ast.StructDecl {
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return true
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}
|
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// Empty line after a block of type declarations
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ast.TypeDecl {
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if node !is ast.TypeDecl {
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return true
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}
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}
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// Imports are handled special hence they are ignored here
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ast.Import {
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return false
|
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}
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else {}
|
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}
|
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match node {
|
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// Attributes are not respected in the stmts position, so this requires manual checking
|
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ast.StructDecl, ast.EnumDecl, ast.FnDecl {
|
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if node.attrs.len > 0 && node.attrs[0].pos.line_nr - prev_line_nr <= 1 {
|
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return false
|
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}
|
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}
|
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ast.Import {
|
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return false
|
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}
|
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else {}
|
||
}
|
||
}
|
||
// The node shouldn't have a newline before
|
||
if node.pos().line_nr - prev_line_nr <= 1 {
|
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return false
|
||
}
|
||
return true
|
||
}
|
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|
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pub fn (mut f Fmt) node_str(node ast.Node) string {
|
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was_empty_line := f.empty_line
|
||
prev_line_len := f.line_len
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pos := f.out.len
|
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match node {
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ast.Stmt { f.stmt(node) }
|
||
ast.Expr { f.expr(node) }
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else { panic('´f.node_str()´ is not implemented for ${node}.') }
|
||
}
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str := f.out.after(pos)
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f.out.go_back_to(pos)
|
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f.empty_line = was_empty_line
|
||
f.line_len = prev_line_len
|
||
return str
|
||
}
|
||
|
||
//=== General Stmt-related methods and helpers ===//
|
||
|
||
pub fn (mut f Fmt) stmts(stmts []ast.Stmt) {
|
||
mut prev_stmt := if stmts.len > 0 { stmts[0] } else { ast.empty_stmt }
|
||
f.indent++
|
||
for stmt in stmts {
|
||
if !f.pref.building_v && f.should_insert_newline_before_node(stmt, prev_stmt) {
|
||
f.out.writeln('')
|
||
}
|
||
f.stmt(stmt)
|
||
prev_stmt = stmt
|
||
}
|
||
f.indent--
|
||
}
|
||
|
||
pub fn (mut f Fmt) stmt(node ast.Stmt) {
|
||
if f.is_debug {
|
||
eprintln('stmt ${node.type_name():-20} | pos: ${node.pos.line_str()}')
|
||
}
|
||
match node {
|
||
ast.EmptyStmt, ast.NodeError {}
|
||
ast.AsmStmt {
|
||
f.asm_stmt(node)
|
||
}
|
||
ast.AssertStmt {
|
||
f.assert_stmt(node)
|
||
}
|
||
ast.AssignStmt {
|
||
f.assign_stmt(node)
|
||
}
|
||
ast.Block {
|
||
if node.is_unsafe {
|
||
f.inside_unsafe = true
|
||
f.block(node)
|
||
f.inside_unsafe = false
|
||
} else {
|
||
f.block(node)
|
||
}
|
||
}
|
||
ast.BranchStmt {
|
||
f.branch_stmt(node)
|
||
}
|
||
ast.ComptimeFor {
|
||
f.comptime_for(node)
|
||
}
|
||
ast.ConstDecl {
|
||
f.const_decl(node)
|
||
}
|
||
ast.DeferStmt {
|
||
f.defer_stmt(node)
|
||
}
|
||
ast.EnumDecl {
|
||
f.enum_decl(node)
|
||
}
|
||
ast.ExprStmt {
|
||
f.expr_stmt(node)
|
||
}
|
||
ast.FnDecl {
|
||
f.fn_decl(node)
|
||
}
|
||
ast.ForCStmt {
|
||
f.for_c_stmt(node)
|
||
}
|
||
ast.ForInStmt {
|
||
f.for_in_stmt(node)
|
||
}
|
||
ast.ForStmt {
|
||
f.for_stmt(node)
|
||
}
|
||
ast.GlobalDecl {
|
||
f.global_decl(node)
|
||
}
|
||
ast.GotoLabel {
|
||
f.goto_label(node)
|
||
}
|
||
ast.GotoStmt {
|
||
f.goto_stmt(node)
|
||
}
|
||
ast.HashStmt {
|
||
f.hash_stmt(node)
|
||
}
|
||
ast.Import {
|
||
// Imports are handled after the file is formatted, to automatically add necessary modules
|
||
// Just remember the position of the imports for now
|
||
f.import_pos = f.out.len
|
||
}
|
||
ast.InterfaceDecl {
|
||
f.interface_decl(node)
|
||
}
|
||
ast.Module {
|
||
f.module_stmt(node)
|
||
}
|
||
ast.Return {
|
||
f.return_stmt(node)
|
||
}
|
||
ast.SqlStmt {
|
||
f.sql_stmt(node)
|
||
}
|
||
ast.StructDecl {
|
||
f.struct_decl(node, false)
|
||
}
|
||
ast.TypeDecl {
|
||
f.type_decl(node)
|
||
}
|
||
}
|
||
}
|
||
|
||
fn stmt_is_single_line(stmt ast.Stmt) bool {
|
||
return match stmt {
|
||
ast.ExprStmt, ast.AssertStmt { expr_is_single_line(stmt.expr) }
|
||
ast.Return, ast.AssignStmt, ast.BranchStmt { true }
|
||
else { false }
|
||
}
|
||
}
|
||
|
||
//=== General Expr-related methods and helpers ===//
|
||
|
||
pub fn (mut f Fmt) expr(node_ ast.Expr) {
|
||
mut node := unsafe { node_ }
|
||
if f.is_debug {
|
||
eprintln('expr ${node.type_name():-20} | pos: ${node.pos().line_str()} | ${node.str()}')
|
||
}
|
||
match mut node {
|
||
ast.NodeError {}
|
||
ast.EmptyExpr {}
|
||
ast.AnonFn {
|
||
f.anon_fn(node)
|
||
}
|
||
ast.ArrayDecompose {
|
||
f.array_decompose(node)
|
||
}
|
||
ast.ArrayInit {
|
||
f.array_init(node)
|
||
}
|
||
ast.AsCast {
|
||
f.as_cast(node)
|
||
}
|
||
ast.Assoc {
|
||
f.assoc(node)
|
||
}
|
||
ast.AtExpr {
|
||
f.at_expr(node)
|
||
}
|
||
ast.BoolLiteral {
|
||
f.write(node.val.str())
|
||
}
|
||
ast.CallExpr {
|
||
f.call_expr(node)
|
||
}
|
||
ast.CastExpr {
|
||
f.cast_expr(node)
|
||
}
|
||
ast.ChanInit {
|
||
f.chan_init(mut node)
|
||
}
|
||
ast.CharLiteral {
|
||
f.char_literal(node)
|
||
}
|
||
ast.Comment {
|
||
f.comment(node, inline: true)
|
||
}
|
||
ast.ComptimeCall {
|
||
f.comptime_call(node)
|
||
}
|
||
ast.ComptimeSelector {
|
||
f.comptime_selector(node)
|
||
}
|
||
ast.ConcatExpr {
|
||
f.concat_expr(node)
|
||
}
|
||
ast.CTempVar {
|
||
eprintln('ast.CTempVar of ${node.orig.str()} should be generated/used only in cgen')
|
||
}
|
||
ast.DumpExpr {
|
||
f.dump_expr(node)
|
||
}
|
||
ast.EnumVal {
|
||
f.enum_val(node)
|
||
}
|
||
ast.FloatLiteral {
|
||
f.write(node.val)
|
||
if node.val.ends_with('.') {
|
||
f.write('0')
|
||
}
|
||
}
|
||
ast.GoExpr {
|
||
f.go_expr(node)
|
||
}
|
||
ast.SpawnExpr {
|
||
f.spawn_expr(node)
|
||
}
|
||
ast.Ident {
|
||
f.ident(node)
|
||
}
|
||
ast.IfExpr {
|
||
f.if_expr(node)
|
||
}
|
||
ast.IfGuardExpr {
|
||
f.if_guard_expr(node)
|
||
}
|
||
ast.IndexExpr {
|
||
f.index_expr(node)
|
||
}
|
||
ast.InfixExpr {
|
||
f.infix_expr(node)
|
||
}
|
||
ast.IntegerLiteral {
|
||
f.write(node.val)
|
||
}
|
||
ast.Likely {
|
||
f.likely(node)
|
||
}
|
||
ast.LockExpr {
|
||
f.lock_expr(node)
|
||
}
|
||
ast.MapInit {
|
||
f.map_init(node)
|
||
}
|
||
ast.MatchExpr {
|
||
f.match_expr(node)
|
||
}
|
||
ast.None {
|
||
f.write('none')
|
||
}
|
||
ast.Nil {
|
||
f.write('nil')
|
||
}
|
||
ast.OffsetOf {
|
||
f.offset_of(node)
|
||
}
|
||
ast.OrExpr {
|
||
// shouldn't happen, an or expression is always linked to a call expr or index expr
|
||
panic('fmt: OrExpr should be linked to ast.CallExpr or ast.IndexExpr')
|
||
}
|
||
ast.ParExpr {
|
||
f.par_expr(node)
|
||
}
|
||
ast.PostfixExpr {
|
||
f.postfix_expr(node)
|
||
}
|
||
ast.PrefixExpr {
|
||
f.prefix_expr(node)
|
||
}
|
||
ast.RangeExpr {
|
||
f.range_expr(node)
|
||
}
|
||
ast.SelectExpr {
|
||
f.select_expr(node)
|
||
}
|
||
ast.SelectorExpr {
|
||
f.selector_expr(node)
|
||
}
|
||
ast.SizeOf {
|
||
f.size_of(node)
|
||
}
|
||
ast.IsRefType {
|
||
f.is_ref_type(node)
|
||
}
|
||
ast.SqlExpr {
|
||
f.sql_expr(node)
|
||
}
|
||
ast.StringLiteral {
|
||
f.string_literal(node)
|
||
}
|
||
ast.StringInterLiteral {
|
||
f.string_inter_literal(node)
|
||
}
|
||
ast.StructInit {
|
||
f.struct_init(node)
|
||
}
|
||
ast.TypeNode {
|
||
f.type_expr(node)
|
||
}
|
||
ast.TypeOf {
|
||
f.type_of(node)
|
||
}
|
||
ast.UnsafeExpr {
|
||
f.inside_unsafe = true
|
||
f.unsafe_expr(node)
|
||
f.inside_unsafe = false
|
||
}
|
||
ast.ComptimeType {
|
||
match node.kind {
|
||
.array { f.write('\$array') }
|
||
.struct_ { f.write('\$struct') }
|
||
.iface { f.write('\$interface') }
|
||
.map_ { f.write('\$map') }
|
||
.int { f.write('\$int') }
|
||
.float { f.write('\$float') }
|
||
.sum_type { f.write('\$sumtype') }
|
||
.enum_ { f.write('\$enum') }
|
||
.alias { f.write('\$alias') }
|
||
.function { f.write('\$function') }
|
||
.option { f.write('\$option') }
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
fn expr_is_single_line(expr ast.Expr) bool {
|
||
match expr {
|
||
ast.Comment, ast.IfExpr, ast.MapInit, ast.MatchExpr {
|
||
return false
|
||
}
|
||
ast.AnonFn {
|
||
if !expr.decl.no_body {
|
||
return false
|
||
}
|
||
}
|
||
ast.StructInit {
|
||
if !expr.no_keys && (expr.init_fields.len > 0 || expr.pre_comments.len > 0) {
|
||
return false
|
||
}
|
||
}
|
||
ast.CallExpr {
|
||
if expr.or_block.stmts.len > 1 {
|
||
return false
|
||
}
|
||
}
|
||
ast.ArrayInit {
|
||
if expr.exprs.len > 0 {
|
||
return expr_is_single_line(expr.exprs[0])
|
||
}
|
||
}
|
||
ast.ConcatExpr {
|
||
for e in expr.vals {
|
||
if !expr_is_single_line(e) {
|
||
return false
|
||
}
|
||
}
|
||
}
|
||
ast.StringLiteral {
|
||
return expr.pos.line_nr == expr.pos.last_line
|
||
}
|
||
else {}
|
||
}
|
||
return true
|
||
}
|
||
|
||
//=== Specific Stmt methods ===//
|
||
|
||
pub fn (mut f Fmt) assert_stmt(node ast.AssertStmt) {
|
||
f.write('assert ')
|
||
mut expr := node.expr
|
||
for mut expr is ast.ParExpr {
|
||
expr = expr.expr
|
||
}
|
||
f.expr(expr)
|
||
if node.extra !is ast.EmptyExpr {
|
||
f.write(', ')
|
||
f.expr(node.extra)
|
||
}
|
||
f.writeln('')
|
||
}
|
||
|
||
pub fn (mut f Fmt) assign_stmt(node ast.AssignStmt) {
|
||
mut sum_len := 0
|
||
for i, left in node.left {
|
||
pre_comments := node.comments[sum_len..].filter(it.pos.pos < left.pos().pos)
|
||
sum_len += pre_comments.len
|
||
if pre_comments.len > 0 {
|
||
f.comments(pre_comments)
|
||
f.write(' ')
|
||
}
|
||
f.expr(left)
|
||
if i < node.left.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.is_assign = true
|
||
f.write(' ${node.op.str()} ')
|
||
for i, val in node.right {
|
||
pre_comments := node.comments[sum_len..].filter(it.pos.pos < val.pos().pos)
|
||
sum_len += pre_comments.len
|
||
if pre_comments.len > 0 {
|
||
f.comments(pre_comments)
|
||
f.write(' ')
|
||
}
|
||
f.expr(val)
|
||
if i < node.right.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.comments(node.end_comments, has_nl: false, inline: true, level: .keep)
|
||
if !f.single_line_if {
|
||
f.writeln('')
|
||
}
|
||
f.is_assign = false
|
||
}
|
||
|
||
pub fn (mut f Fmt) block(node ast.Block) {
|
||
if node.is_unsafe {
|
||
f.write('unsafe ')
|
||
}
|
||
f.write('{')
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.writeln('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) branch_stmt(node ast.BranchStmt) {
|
||
f.writeln(node.str())
|
||
}
|
||
|
||
pub fn (mut f Fmt) comptime_for(node ast.ComptimeFor) {
|
||
typ := f.no_cur_mod(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write('\$for ${node.val_var} in ${typ}.${node.kind.str()} {')
|
||
f.mark_types_import_as_used(node.typ)
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.writeln('}')
|
||
}
|
||
|
||
struct ConstAlignInfo {
|
||
mut:
|
||
max int
|
||
last_idx int
|
||
}
|
||
|
||
pub fn (mut f Fmt) const_decl(node ast.ConstDecl) {
|
||
f.attrs(node.attrs)
|
||
if node.is_pub {
|
||
f.write('pub ')
|
||
}
|
||
if node.fields.len == 0 && node.pos.line_nr == node.pos.last_line {
|
||
f.writeln('const ()\n')
|
||
return
|
||
}
|
||
f.inside_const = true
|
||
defer {
|
||
f.inside_const = false
|
||
}
|
||
f.write('const ')
|
||
mut align_infos := []ConstAlignInfo{}
|
||
if node.is_block {
|
||
f.writeln('(')
|
||
mut info := ConstAlignInfo{}
|
||
for i, field in node.fields {
|
||
if field.name.len > info.max {
|
||
info.max = field.name.len
|
||
}
|
||
if !expr_is_single_line(field.expr) {
|
||
info.last_idx = i
|
||
align_infos << info
|
||
info = ConstAlignInfo{}
|
||
}
|
||
}
|
||
info.last_idx = node.fields.len
|
||
align_infos << info
|
||
f.indent++
|
||
} else {
|
||
align_infos << ConstAlignInfo{0, 1}
|
||
}
|
||
mut prev_field := if node.fields.len > 0 {
|
||
ast.Node(node.fields[0])
|
||
} else {
|
||
ast.Node(ast.NodeError{})
|
||
}
|
||
mut align_idx := 0
|
||
for i, field in node.fields {
|
||
if i > align_infos[align_idx].last_idx {
|
||
align_idx++
|
||
}
|
||
if field.comments.len > 0 {
|
||
if f.should_insert_newline_before_node(ast.Expr(field.comments[0]), prev_field) {
|
||
f.writeln('')
|
||
}
|
||
f.comments(field.comments, inline: true)
|
||
prev_field = ast.Expr(field.comments.last())
|
||
}
|
||
if node.is_block && f.should_insert_newline_before_node(field, prev_field) {
|
||
f.writeln('')
|
||
}
|
||
name := field.name.after('.')
|
||
f.write('${name} ')
|
||
f.write(strings.repeat(` `, align_infos[align_idx].max - field.name.len))
|
||
f.write('= ')
|
||
f.expr(field.expr)
|
||
f.comments(field.end_comments, inline: true)
|
||
if node.is_block && field.end_comments.len == 0 {
|
||
f.writeln('')
|
||
} else {
|
||
// Write out single line comments after const expr if present
|
||
// E.g.: `const x = 1 // <comment>`
|
||
if node.end_comments.len > 0 && node.end_comments[0].text.contains('\n') {
|
||
f.writeln('\n')
|
||
}
|
||
f.comments(node.end_comments, inline: true)
|
||
}
|
||
prev_field = field
|
||
}
|
||
|
||
if node.is_block {
|
||
f.comments_after_last_field(node.end_comments)
|
||
} else if node.end_comments.len == 0 {
|
||
// If no single line comments after the const expr is present
|
||
f.writeln('')
|
||
}
|
||
if node.is_block {
|
||
f.indent--
|
||
f.writeln(')\n')
|
||
} else {
|
||
f.writeln('')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) defer_stmt(node ast.DeferStmt) {
|
||
f.write('defer {')
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.writeln('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) expr_stmt(node ast.ExprStmt) {
|
||
f.comments(node.comments)
|
||
f.expr(node.expr)
|
||
if !f.single_line_if {
|
||
f.writeln('')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) enum_decl(node ast.EnumDecl) {
|
||
f.attrs(node.attrs)
|
||
if node.is_pub {
|
||
f.write('pub ')
|
||
}
|
||
mut name := node.name.after('.')
|
||
if node.typ != ast.int_type {
|
||
senum_type := f.table.type_to_str_using_aliases(node.typ, f.mod2alias)
|
||
name += ' as ${senum_type}'
|
||
}
|
||
if node.fields.len == 0 && node.pos.line_nr == node.pos.last_line {
|
||
f.writeln('enum ${name} {}\n')
|
||
return
|
||
}
|
||
f.writeln('enum ${name} {')
|
||
f.comments(node.comments, inline: true, level: .indent)
|
||
for field in node.fields {
|
||
f.write('\t${field.name}')
|
||
if field.has_expr {
|
||
f.write(' = ')
|
||
f.expr(field.expr)
|
||
}
|
||
if field.attrs.len > 0 {
|
||
f.write(' ')
|
||
f.single_line_attrs(field.attrs, inline: true)
|
||
}
|
||
f.comments(field.comments, inline: true, has_nl: false, level: .indent)
|
||
f.writeln('')
|
||
f.comments(field.next_comments, inline: false, has_nl: true, level: .indent)
|
||
}
|
||
f.writeln('}\n')
|
||
}
|
||
|
||
pub fn (mut f Fmt) fn_decl(node ast.FnDecl) {
|
||
f.attrs(node.attrs)
|
||
f.write(f.table.stringify_fn_decl(&node, f.cur_mod, f.mod2alias))
|
||
// Handle trailing comments after fn header declarations
|
||
if node.no_body && node.end_comments.len > 0 {
|
||
first_comment := node.end_comments[0]
|
||
if first_comment.text.contains('\n') {
|
||
f.writeln('\n')
|
||
} else {
|
||
f.write(' ')
|
||
}
|
||
f.comment(first_comment)
|
||
if node.end_comments.len > 1 {
|
||
f.writeln('\n')
|
||
comments := node.end_comments[1..]
|
||
for i, comment in comments {
|
||
f.comment(comment)
|
||
if i != comments.len - 1 {
|
||
f.writeln('\n')
|
||
}
|
||
}
|
||
}
|
||
}
|
||
f.fn_body(node)
|
||
}
|
||
|
||
pub fn (mut f Fmt) anon_fn(node ast.AnonFn) {
|
||
f.write(f.table.stringify_anon_decl(&node, f.cur_mod, f.mod2alias)) // `Expr` instead of `ast.Expr` in mod ast
|
||
f.fn_body(node.decl)
|
||
}
|
||
|
||
fn (mut f Fmt) fn_body(node ast.FnDecl) {
|
||
prev_fn_scope := f.fn_scope
|
||
f.fn_scope = node.scope
|
||
defer {
|
||
f.fn_scope = prev_fn_scope
|
||
}
|
||
if node.language == .v {
|
||
if !node.no_body {
|
||
f.write(' {')
|
||
pre_comments := node.comments.filter(it.pos.pos < node.name_pos.pos)
|
||
body_comments := node.comments[pre_comments.len..]
|
||
f.comments(body_comments, inline: true)
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
if body_comments.len == 0 {
|
||
f.writeln('')
|
||
}
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.write('}')
|
||
if node.end_comments.len > 0 {
|
||
first_comment := node.end_comments[0]
|
||
if first_comment.text.contains('\n') {
|
||
f.writeln('\n')
|
||
} else {
|
||
f.write(' ')
|
||
}
|
||
f.comment(first_comment)
|
||
if node.end_comments.len > 1 {
|
||
f.writeln('\n')
|
||
comments := node.end_comments[1..]
|
||
for i, comment in comments {
|
||
f.comment(comment)
|
||
if i != comments.len - 1 {
|
||
f.writeln('\n')
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if !node.is_anon {
|
||
f.writeln('')
|
||
}
|
||
} else {
|
||
f.writeln('')
|
||
}
|
||
// Mark all function's used type so that they are not removed from imports
|
||
for arg in node.params {
|
||
f.mark_types_import_as_used(arg.typ)
|
||
}
|
||
f.mark_types_import_as_used(node.return_type)
|
||
}
|
||
|
||
pub fn (mut f Fmt) for_c_stmt(node ast.ForCStmt) {
|
||
if node.label.len > 0 {
|
||
f.write('${node.label}: ')
|
||
}
|
||
init_comments := node.comments.filter(it.pos.pos < node.init.pos.pos)
|
||
cond_comments := node.comments[init_comments.len..].filter(it.pos.pos < node.cond.pos().pos)
|
||
inc_comments := node.comments[(init_comments.len + cond_comments.len)..].filter(it.pos.pos < node.inc.pos.pos)
|
||
after_inc_comments := node.comments[(init_comments.len + cond_comments.len + inc_comments.len)..]
|
||
f.write('for ')
|
||
if node.has_init {
|
||
if init_comments.len > 0 {
|
||
f.comments(init_comments)
|
||
f.write(' ')
|
||
}
|
||
f.single_line_if = true // to keep all for ;; exprs on the same line
|
||
f.stmt(node.init)
|
||
f.single_line_if = false
|
||
}
|
||
f.write('; ')
|
||
if cond_comments.len > 0 {
|
||
f.comments(cond_comments)
|
||
f.write(' ')
|
||
}
|
||
f.expr(node.cond)
|
||
f.write('; ')
|
||
if inc_comments.len > 0 {
|
||
f.comments(inc_comments)
|
||
f.write(' ')
|
||
}
|
||
f.stmt(node.inc)
|
||
f.remove_new_line()
|
||
if after_inc_comments.len > 0 {
|
||
f.comments(after_inc_comments)
|
||
}
|
||
if f.out.len > 1 && !f.out.last_n(1)[0].is_space() {
|
||
f.write(' ')
|
||
}
|
||
f.write('{')
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.writeln('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) for_in_stmt(node ast.ForInStmt) {
|
||
if node.label.len > 0 {
|
||
f.write('${node.label}: ')
|
||
}
|
||
kv_comments := node.comments.filter(it.pos.pos < node.kv_pos.pos)
|
||
cond_comments := node.comments[kv_comments.len..].filter(it.pos.pos < node.cond.pos().pos)
|
||
after_comments := node.comments[(kv_comments.len + cond_comments.len)..]
|
||
f.write('for ')
|
||
if kv_comments.len > 0 {
|
||
f.comments(kv_comments)
|
||
f.write(' ')
|
||
}
|
||
if node.key_var != '' {
|
||
f.write(node.key_var)
|
||
}
|
||
if node.val_var != '' {
|
||
if node.key_var != '' {
|
||
f.write(', ')
|
||
}
|
||
if node.val_is_mut {
|
||
f.write('mut ')
|
||
}
|
||
f.write(node.val_var)
|
||
}
|
||
f.write(' in ')
|
||
if cond_comments.len > 0 {
|
||
f.comments(cond_comments)
|
||
f.write(' ')
|
||
}
|
||
f.expr(node.cond)
|
||
if node.is_range {
|
||
f.write(' .. ')
|
||
f.expr(node.high)
|
||
}
|
||
if after_comments.len > 0 {
|
||
f.comments(after_comments)
|
||
}
|
||
if f.out.len > 1 && !f.out.last_n(1)[0].is_space() {
|
||
f.write(' ')
|
||
}
|
||
f.write('{')
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.writeln('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) for_stmt(node ast.ForStmt) {
|
||
if node.label.len > 0 {
|
||
f.write('${node.label}: ')
|
||
}
|
||
f.write('for ')
|
||
if node.comments.len > 0 {
|
||
f.comments(node.comments)
|
||
}
|
||
f.expr(node.cond)
|
||
if f.out.len > 1 && !f.out.last_n(1)[0].is_space() {
|
||
f.write(' ')
|
||
}
|
||
f.write('{')
|
||
if node.stmts.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
f.stmts(node.stmts)
|
||
}
|
||
f.writeln('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) global_decl(node ast.GlobalDecl) {
|
||
f.attrs(node.attrs)
|
||
if node.fields.len == 0 && node.pos.line_nr == node.pos.last_line {
|
||
f.writeln('__global ()')
|
||
return
|
||
}
|
||
f.write('__global ')
|
||
mut max := 0
|
||
// mut has_assign := false
|
||
if node.is_block {
|
||
f.writeln('(')
|
||
f.indent++
|
||
for field in node.fields {
|
||
if field.name.len > max {
|
||
max = field.name.len
|
||
}
|
||
// if field.has_expr {
|
||
// has_assign = true
|
||
//}
|
||
}
|
||
}
|
||
for field in node.fields {
|
||
f.comments(field.comments, inline: true)
|
||
if field.is_volatile {
|
||
f.write('volatile ')
|
||
}
|
||
f.write('${field.name} ')
|
||
f.write(strings.repeat(` `, max - field.name.len))
|
||
if field.has_expr {
|
||
f.write('= ')
|
||
f.expr(field.expr)
|
||
} else {
|
||
f.write('${f.table.type_to_str_using_aliases(field.typ, f.mod2alias)}')
|
||
}
|
||
if node.is_block {
|
||
f.writeln('')
|
||
}
|
||
f.mark_types_import_as_used(field.typ)
|
||
}
|
||
f.comments_after_last_field(node.end_comments)
|
||
if node.is_block {
|
||
f.indent--
|
||
f.writeln(')')
|
||
} else {
|
||
f.writeln('')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) spawn_expr(node ast.SpawnExpr) {
|
||
f.write('spawn ')
|
||
f.call_expr(node.call_expr)
|
||
}
|
||
|
||
pub fn (mut f Fmt) go_expr(node ast.GoExpr) {
|
||
f.write('go ')
|
||
f.call_expr(node.call_expr)
|
||
}
|
||
|
||
pub fn (mut f Fmt) goto_label(node ast.GotoLabel) {
|
||
f.writeln('${node.name}:')
|
||
}
|
||
|
||
pub fn (mut f Fmt) goto_stmt(node ast.GotoStmt) {
|
||
f.writeln('goto ${node.name}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) hash_stmt(node ast.HashStmt) {
|
||
f.writeln('#${node.val}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) interface_decl(node ast.InterfaceDecl) {
|
||
f.attrs(node.attrs)
|
||
if node.is_pub {
|
||
f.write('pub ')
|
||
}
|
||
f.write('interface ')
|
||
f.write_language_prefix(node.language)
|
||
name := node.name.after('.') // strip prepended module
|
||
f.write(name)
|
||
f.write_generic_types(node.generic_types)
|
||
f.write(' {')
|
||
if node.fields.len > 0 || node.methods.len > 0 || node.pos.line_nr < node.pos.last_line {
|
||
f.writeln('')
|
||
}
|
||
f.comments_before_field(node.pre_comments)
|
||
for embed in node.embeds {
|
||
f.write('\t${embed.name}')
|
||
f.comments(embed.comments, inline: true, has_nl: false, level: .indent)
|
||
f.writeln('')
|
||
}
|
||
immut_fields := if node.mut_pos < 0 { node.fields } else { node.fields[..node.mut_pos] }
|
||
mut_fields := if node.mut_pos < 0 { []ast.StructField{} } else { node.fields[node.mut_pos..] }
|
||
|
||
mut immut_methods := node.methods.clone()
|
||
mut mut_methods := []ast.FnDecl{}
|
||
for i, method in node.methods {
|
||
if method.params[0].is_mut {
|
||
immut_methods = node.methods[..i].clone()
|
||
mut_methods = node.methods[i..].clone()
|
||
break
|
||
}
|
||
}
|
||
|
||
// TODO: alignment, comments, etc.
|
||
for field in immut_fields {
|
||
f.interface_field(field)
|
||
}
|
||
for method in immut_methods {
|
||
f.interface_method(method)
|
||
}
|
||
if mut_fields.len + mut_methods.len > 0 {
|
||
f.writeln('mut:')
|
||
for field in mut_fields {
|
||
f.interface_field(field)
|
||
}
|
||
for method in mut_methods {
|
||
f.interface_method(method)
|
||
}
|
||
}
|
||
f.writeln('}\n')
|
||
}
|
||
|
||
pub fn (mut f Fmt) interface_field(field ast.StructField) {
|
||
ft := f.no_cur_mod(f.table.type_to_str_using_aliases(field.typ, f.mod2alias))
|
||
before_comments := field.comments.filter(it.pos.pos < field.pos.pos)
|
||
end_comments := field.comments.filter(it.pos.pos > field.pos.pos)
|
||
if before_comments.len > 0 {
|
||
f.comments(before_comments, level: .indent)
|
||
}
|
||
f.write('\t${field.name} ${ft}')
|
||
if end_comments.len > 0 {
|
||
f.comments(end_comments, level: .indent)
|
||
} else {
|
||
f.writeln('')
|
||
}
|
||
f.mark_types_import_as_used(field.typ)
|
||
}
|
||
|
||
pub fn (mut f Fmt) interface_method(method ast.FnDecl) {
|
||
before_comments := method.comments.filter(it.pos.pos < method.pos.pos)
|
||
end_comments := method.comments.filter(it.pos.pos > method.pos.pos)
|
||
if before_comments.len > 0 {
|
||
f.comments(before_comments, level: .indent)
|
||
}
|
||
f.write('\t')
|
||
f.write(f.table.stringify_fn_decl(&method, f.cur_mod, f.mod2alias).all_after_first('fn '))
|
||
f.comments(end_comments, inline: true, has_nl: false, level: .indent)
|
||
f.writeln('')
|
||
f.comments(method.next_comments, inline: false, has_nl: true, level: .indent)
|
||
for param in method.params {
|
||
f.mark_types_import_as_used(param.typ)
|
||
}
|
||
f.mark_types_import_as_used(method.return_type)
|
||
}
|
||
|
||
pub fn (mut f Fmt) module_stmt(mod ast.Module) {
|
||
f.set_current_module_name(mod.name)
|
||
if mod.is_skipped {
|
||
return
|
||
}
|
||
f.attrs(mod.attrs)
|
||
f.writeln('module ${mod.short_name}\n')
|
||
if f.import_pos == 0 {
|
||
f.import_pos = f.out.len
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) return_stmt(node ast.Return) {
|
||
f.write('return')
|
||
if node.exprs.len > 0 {
|
||
f.write(' ')
|
||
mut sum_len := 0
|
||
// Loop over all return values. In normal returns this will only run once.
|
||
for i, expr in node.exprs {
|
||
pre_comments := node.comments[sum_len..].filter(it.pos.pos < expr.pos().pos)
|
||
sum_len += pre_comments.len
|
||
if pre_comments.len > 0 {
|
||
f.comments(pre_comments)
|
||
f.write(' ')
|
||
}
|
||
if expr is ast.ParExpr {
|
||
f.expr(expr.expr)
|
||
} else {
|
||
f.expr(expr)
|
||
}
|
||
if i < node.exprs.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
}
|
||
f.writeln('')
|
||
}
|
||
|
||
pub fn (mut f Fmt) sql_stmt(node ast.SqlStmt) {
|
||
f.write('sql ')
|
||
f.expr(node.db_expr)
|
||
f.writeln(' {')
|
||
|
||
for line in node.lines {
|
||
f.sql_stmt_line(line)
|
||
}
|
||
f.write('}')
|
||
f.or_expr(node.or_expr)
|
||
f.writeln('')
|
||
}
|
||
|
||
pub fn (mut f Fmt) sql_stmt_line(node ast.SqlStmtLine) {
|
||
sym := f.table.sym(node.table_expr.typ)
|
||
mut table_name := sym.name
|
||
if !table_name.starts_with('C.') && !table_name.starts_with('JS.') {
|
||
table_name = f.no_cur_mod(f.short_module(sym.name)) // TODO f.type_to_str?
|
||
}
|
||
|
||
f.mark_types_import_as_used(node.table_expr.typ)
|
||
f.write('\t')
|
||
match node.kind {
|
||
.insert {
|
||
f.writeln('insert ${node.object_var_name} into ${table_name}')
|
||
}
|
||
.update {
|
||
f.write('update ${table_name} set ')
|
||
for i, col in node.updated_columns {
|
||
f.write('${col} = ')
|
||
f.expr(node.update_exprs[i])
|
||
if i < node.updated_columns.len - 1 {
|
||
f.write(', ')
|
||
} else {
|
||
f.write(' ')
|
||
}
|
||
f.wrap_long_line(3, true)
|
||
}
|
||
f.write('where ')
|
||
f.expr(node.where_expr)
|
||
f.writeln('')
|
||
}
|
||
.delete {
|
||
f.write('delete from ${table_name} where ')
|
||
f.expr(node.where_expr)
|
||
f.writeln('')
|
||
}
|
||
.create {
|
||
f.writeln('create table ${table_name}')
|
||
}
|
||
.drop {
|
||
f.writeln('drop table ${table_name}')
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) type_decl(node ast.TypeDecl) {
|
||
match node {
|
||
ast.AliasTypeDecl { f.alias_type_decl(node) }
|
||
ast.FnTypeDecl { f.fn_type_decl(node) }
|
||
ast.SumTypeDecl { f.sum_type_decl(node) }
|
||
}
|
||
f.writeln('')
|
||
}
|
||
|
||
pub fn (mut f Fmt) alias_type_decl(node ast.AliasTypeDecl) {
|
||
if node.is_pub {
|
||
f.write('pub ')
|
||
}
|
||
ptype := f.table.type_to_str_using_aliases(node.parent_type, f.mod2alias)
|
||
f.write('type ${node.name} = ${ptype}')
|
||
|
||
f.comments(node.comments, has_nl: false)
|
||
f.mark_types_import_as_used(node.parent_type)
|
||
}
|
||
|
||
pub fn (mut f Fmt) fn_type_decl(node ast.FnTypeDecl) {
|
||
f.attrs(node.attrs)
|
||
if node.is_pub {
|
||
f.write('pub ')
|
||
}
|
||
typ_sym := f.table.sym(node.typ)
|
||
fn_typ_info := typ_sym.info as ast.FnType
|
||
fn_info := fn_typ_info.func
|
||
fn_name := f.no_cur_mod(node.name)
|
||
mut generic_types_str := ''
|
||
if node.generic_types.len > 0 {
|
||
generic_names := node.generic_types.map(f.table.sym(it).name)
|
||
generic_types_str = '[${generic_names.join(', ')}]'
|
||
}
|
||
f.write('type ${fn_name}${generic_types_str} = fn (')
|
||
for i, arg in fn_info.params {
|
||
if arg.is_mut {
|
||
f.write(arg.typ.share().str() + ' ')
|
||
}
|
||
f.write(arg.name)
|
||
f.mark_types_import_as_used(arg.typ)
|
||
mut s := f.no_cur_mod(f.table.type_to_str_using_aliases(arg.typ, f.mod2alias))
|
||
if arg.is_mut {
|
||
if s.starts_with('&') {
|
||
s = s[1..]
|
||
}
|
||
}
|
||
is_last_arg := i == fn_info.params.len - 1
|
||
should_add_type := true || is_last_arg
|
||
|| fn_info.params[i + 1].typ != arg.typ
|
||
|| (fn_info.is_variadic && i == fn_info.params.len - 2)
|
||
if should_add_type {
|
||
ns := if arg.name == '' { '' } else { ' ' }
|
||
if fn_info.is_variadic && is_last_arg {
|
||
f.write(ns + '...' + s)
|
||
} else {
|
||
f.write(ns + s)
|
||
}
|
||
}
|
||
if !is_last_arg {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.write(')')
|
||
if fn_info.return_type.idx() != ast.void_type_idx {
|
||
f.mark_types_import_as_used(fn_info.return_type)
|
||
ret_str := f.no_cur_mod(f.table.type_to_str_using_aliases(fn_info.return_type,
|
||
f.mod2alias))
|
||
f.write(' ${ret_str}')
|
||
} else if fn_info.return_type.has_flag(.option) {
|
||
f.write(' ?')
|
||
} else if fn_info.return_type.has_flag(.result) {
|
||
f.write(' !')
|
||
}
|
||
|
||
f.comments(node.comments, has_nl: false)
|
||
f.writeln('')
|
||
}
|
||
|
||
struct Variant {
|
||
name string
|
||
id int
|
||
}
|
||
|
||
pub fn (mut f Fmt) sum_type_decl(node ast.SumTypeDecl) {
|
||
f.attrs(node.attrs)
|
||
start_pos := f.out.len
|
||
if node.is_pub {
|
||
f.write('pub ')
|
||
}
|
||
f.write('type ${node.name}')
|
||
f.write_generic_types(node.generic_types)
|
||
f.write(' = ')
|
||
|
||
mut variants := []Variant{cap: node.variants.len}
|
||
for i, variant in node.variants {
|
||
variants << Variant{f.table.type_to_str_using_aliases(variant.typ, f.mod2alias), i}
|
||
f.mark_types_import_as_used(variant.typ)
|
||
}
|
||
variants.sort(a.name < b.name)
|
||
|
||
mut separator := ' | '
|
||
mut is_multiline := false
|
||
// if line length is too long, put each type on its own line
|
||
mut line_length := f.out.len - start_pos
|
||
for variant in variants {
|
||
// 3 = length of ' = ' or ' | '
|
||
line_length += 3 + variant.name.len
|
||
if line_length > fmt.max_len.last() || (variant.id != node.variants.len - 1
|
||
&& node.variants[variant.id].end_comments.len > 0) {
|
||
separator = '\n\t| '
|
||
is_multiline = true
|
||
break
|
||
}
|
||
}
|
||
|
||
for i, variant in variants {
|
||
if i > 0 {
|
||
f.write(separator)
|
||
}
|
||
f.write(variant.name)
|
||
if node.variants[variant.id].end_comments.len > 0 && is_multiline {
|
||
f.comments(node.variants[variant.id].end_comments, has_nl: false)
|
||
}
|
||
}
|
||
if !is_multiline {
|
||
f.comments(node.variants.last().end_comments,
|
||
has_nl: false
|
||
)
|
||
}
|
||
}
|
||
|
||
//=== Specific Expr methods ===//
|
||
|
||
pub fn (mut f Fmt) array_decompose(node ast.ArrayDecompose) {
|
||
f.write('...')
|
||
f.expr(node.expr)
|
||
}
|
||
|
||
pub fn (mut f Fmt) array_init(node ast.ArrayInit) {
|
||
if node.exprs.len == 0 && node.typ != 0 && node.typ != ast.void_type {
|
||
// `x := []string{}`
|
||
f.mark_types_import_as_used(node.typ)
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write('{')
|
||
if node.has_len {
|
||
f.write('len: ')
|
||
f.expr(node.len_expr)
|
||
if node.has_cap || node.has_default {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
if node.has_cap {
|
||
f.write('cap: ')
|
||
f.expr(node.cap_expr)
|
||
if node.has_default {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
if node.has_default {
|
||
f.write('init: ')
|
||
f.expr(node.default_expr)
|
||
}
|
||
f.write('}')
|
||
return
|
||
}
|
||
// `[1,2,3]`
|
||
f.write('[')
|
||
mut inc_indent := false
|
||
mut last_line_nr := node.pos.line_nr // to have the same newlines between array elements
|
||
f.array_init_depth++
|
||
if node.pre_cmnts.len > 0 {
|
||
if node.pre_cmnts[0].pos.line_nr > last_line_nr {
|
||
f.writeln('')
|
||
}
|
||
}
|
||
for i, c in node.pre_cmnts {
|
||
if i < node.pre_cmnts.len - 1 {
|
||
if c.pos.last_line < node.pre_cmnts[i + 1].pos.line_nr {
|
||
f.comment(c, level: .indent)
|
||
f.writeln('')
|
||
} else {
|
||
f.comment(c, level: .indent)
|
||
f.write(' ')
|
||
}
|
||
} else {
|
||
next_line := if node.exprs.len > 0 {
|
||
node.exprs[0].pos().line_nr
|
||
} else {
|
||
node.pos.last_line
|
||
}
|
||
if c.pos.last_line < next_line {
|
||
f.comment(c, level: .indent)
|
||
if node.exprs.len == 0 {
|
||
f.writeln('')
|
||
}
|
||
} else {
|
||
f.comment(c, level: .indent)
|
||
if node.exprs.len > 0 {
|
||
f.write(' ')
|
||
}
|
||
}
|
||
}
|
||
last_line_nr = c.pos.last_line
|
||
}
|
||
mut set_comma := false
|
||
for i, expr in node.exprs {
|
||
pos := expr.pos()
|
||
if i == 0 {
|
||
if f.array_init_depth > f.array_init_break.len {
|
||
f.array_init_break << pos.line_nr > last_line_nr
|
||
|| f.line_len + expr.pos().len > fmt.max_len[3]
|
||
}
|
||
}
|
||
mut line_break := f.array_init_break[f.array_init_depth - 1]
|
||
mut penalty := if line_break { 0 } else { 4 }
|
||
if penalty > 0 {
|
||
if i == 0
|
||
|| node.exprs[i - 1] in [ast.ArrayInit, ast.StructInit, ast.MapInit, ast.CallExpr] {
|
||
penalty--
|
||
}
|
||
if expr in [ast.ArrayInit, ast.StructInit, ast.MapInit, ast.CallExpr] {
|
||
penalty--
|
||
}
|
||
}
|
||
mut is_new_line := f.wrap_long_line(penalty, !inc_indent)
|
||
if is_new_line && !inc_indent {
|
||
f.indent++
|
||
inc_indent = true
|
||
}
|
||
single_line_expr := expr_is_single_line(expr)
|
||
if single_line_expr {
|
||
mut estr := ''
|
||
if !is_new_line && !f.buffering && f.line_len + expr.pos().len > fmt.max_len.last() {
|
||
if inc_indent {
|
||
estr = f.node_str(expr)
|
||
}
|
||
f.writeln('')
|
||
is_new_line = true
|
||
if !inc_indent {
|
||
f.indent++
|
||
inc_indent = true
|
||
f.write_indent()
|
||
f.empty_line = false
|
||
estr = f.node_str(expr)
|
||
}
|
||
if i == 0 {
|
||
f.array_init_break[f.array_init_depth - 1] = true
|
||
line_break = true
|
||
}
|
||
} else {
|
||
estr = f.node_str(expr)
|
||
}
|
||
if !is_new_line && i > 0 {
|
||
f.write(' ')
|
||
}
|
||
f.write(estr)
|
||
} else {
|
||
if !is_new_line && i > 0 {
|
||
f.write(' ')
|
||
}
|
||
f.expr(expr)
|
||
}
|
||
mut last_comment_was_inline := false
|
||
mut has_comments := node.ecmnts[i].len > 0
|
||
if i < node.ecmnts.len && has_comments {
|
||
expr_pos := expr.pos()
|
||
for icmt, cmt in node.ecmnts[i] {
|
||
if !set_comma && cmt.pos.pos > expr_pos.pos + expr_pos.len + 2 {
|
||
if icmt > 0 {
|
||
if last_comment_was_inline {
|
||
f.write(',')
|
||
set_comma = true
|
||
}
|
||
} else {
|
||
f.write(',') // first comment needs a comma
|
||
set_comma = true
|
||
}
|
||
}
|
||
if cmt.pos.line_nr > expr_pos.last_line {
|
||
f.writeln('')
|
||
f.comment(cmt)
|
||
} else {
|
||
if cmt.is_inline {
|
||
f.write(' ')
|
||
f.comment(cmt)
|
||
if !set_comma && cmt.pos.line_nr == expr_pos.last_line
|
||
&& cmt.pos.pos < expr_pos.pos {
|
||
f.write(',')
|
||
set_comma = true
|
||
} else {
|
||
if !cmt.is_inline {
|
||
// a // comment, transformed to a /**/ one, needs a comma too
|
||
f.write(',')
|
||
set_comma = true
|
||
}
|
||
}
|
||
} else {
|
||
if !set_comma {
|
||
f.write(',')
|
||
set_comma = true
|
||
}
|
||
f.write(' ')
|
||
f.comment(cmt)
|
||
}
|
||
}
|
||
last_comment_was_inline = cmt.is_inline
|
||
}
|
||
} else if i == node.exprs.len - 1 && !line_break {
|
||
is_new_line = false
|
||
}
|
||
|
||
mut put_comma := !set_comma
|
||
if has_comments && !last_comment_was_inline {
|
||
put_comma = false
|
||
}
|
||
if i == node.exprs.len - 1 {
|
||
if is_new_line {
|
||
if put_comma {
|
||
f.write(',')
|
||
}
|
||
f.writeln('')
|
||
}
|
||
} else if put_comma {
|
||
f.write(',')
|
||
}
|
||
last_line_nr = pos.last_line
|
||
set_comma = false
|
||
}
|
||
f.array_init_depth--
|
||
if f.array_init_depth == 0 {
|
||
f.array_init_break = []
|
||
}
|
||
if inc_indent {
|
||
f.indent--
|
||
}
|
||
f.write(']')
|
||
// `[100]u8`
|
||
if node.is_fixed {
|
||
if node.has_val {
|
||
f.write('!')
|
||
return
|
||
}
|
||
f.write(f.table.type_to_str_using_aliases(node.elem_type, f.mod2alias))
|
||
if node.has_default {
|
||
f.write('{init: ')
|
||
f.expr(node.default_expr)
|
||
f.write('}')
|
||
} else {
|
||
f.write('{}')
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) as_cast(node ast.AsCast) {
|
||
f.mark_types_import_as_used(node.typ)
|
||
type_str := f.table.type_to_str_using_aliases(node.typ, f.mod2alias)
|
||
f.expr(node.expr)
|
||
f.write(' as ${type_str}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) assoc(node ast.Assoc) {
|
||
f.writeln('{')
|
||
f.indent++
|
||
f.writeln('...${node.var_name}')
|
||
for i, field in node.fields {
|
||
f.write('${field}: ')
|
||
f.expr(node.exprs[i])
|
||
f.writeln('')
|
||
}
|
||
f.indent--
|
||
f.write('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) at_expr(node ast.AtExpr) {
|
||
f.write(node.name)
|
||
}
|
||
|
||
pub fn (mut f Fmt) call_expr(node ast.CallExpr) {
|
||
mut is_method_newline := false
|
||
if node.is_method {
|
||
if node.name in ['map', 'filter', 'all', 'any'] {
|
||
f.in_lambda_depth++
|
||
defer {
|
||
f.in_lambda_depth--
|
||
}
|
||
}
|
||
if node.left is ast.Ident {
|
||
// `time.now()` without `time imported` is processed as a method call with `time` being
|
||
// a `node.left` expression. Import `time` automatically.
|
||
// TODO fetch all available modules
|
||
if node.left.name in ['time', 'os', 'strings', 'math', 'json', 'base64']
|
||
&& !node.left.scope.known_var(node.left.name) {
|
||
f.file.imports << ast.Import{
|
||
mod: node.left.name
|
||
alias: node.left.name
|
||
}
|
||
}
|
||
}
|
||
f.expr(node.left)
|
||
is_method_newline = node.left.pos().last_line != node.name_pos.line_nr
|
||
if is_method_newline {
|
||
f.indent++
|
||
f.writeln('')
|
||
}
|
||
f.write('.' + node.name)
|
||
} else {
|
||
f.write_language_prefix(node.language)
|
||
if node.left is ast.AnonFn {
|
||
f.anon_fn(node.left)
|
||
} else if node.language != .v {
|
||
f.write('${node.name.after_char(`.`)}')
|
||
} else {
|
||
name := f.short_module(node.name)
|
||
f.mark_import_as_used(name)
|
||
if node.name.contains('__static__') {
|
||
if name.contains('.') {
|
||
indx := name.index('.') or { -1 } + 1
|
||
f.write(name[0..indx] + name[indx..].replace('__static__', '.').capitalize())
|
||
} else {
|
||
f.write(name.replace('__static__', '.').capitalize())
|
||
}
|
||
} else {
|
||
f.write(name)
|
||
}
|
||
}
|
||
}
|
||
if node.mod == '' && node.name == '' {
|
||
if node.left is ast.CallExpr {
|
||
f.expr(node.left)
|
||
} else {
|
||
f.write(node.left.str())
|
||
}
|
||
}
|
||
f.write_generic_call_if_require(node)
|
||
f.write('(')
|
||
f.call_args(node.args)
|
||
f.write(')')
|
||
f.or_expr(node.or_block)
|
||
f.comments(node.comments, has_nl: false)
|
||
if is_method_newline {
|
||
f.indent--
|
||
}
|
||
}
|
||
|
||
fn (mut f Fmt) write_generic_call_if_require(node ast.CallExpr) {
|
||
if node.concrete_types.len > 0 {
|
||
f.write('[')
|
||
for i, concrete_type in node.concrete_types {
|
||
mut name := f.table.type_to_str_using_aliases(concrete_type, f.mod2alias)
|
||
tsym := f.table.sym(concrete_type)
|
||
if tsym.language != .js && !tsym.name.starts_with('JS.') {
|
||
name = f.short_module(name)
|
||
} else if tsym.language == .js && !tsym.name.starts_with('JS.') {
|
||
name = 'JS.' + name
|
||
}
|
||
f.write(name)
|
||
f.mark_import_as_used(name)
|
||
if i != node.concrete_types.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.write(']')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) call_args(args []ast.CallArg) {
|
||
f.single_line_fields = true
|
||
old_short_arg_state := f.use_short_fn_args
|
||
f.use_short_fn_args = false
|
||
defer {
|
||
f.single_line_fields = false
|
||
f.use_short_fn_args = old_short_arg_state
|
||
}
|
||
for i, arg in args {
|
||
pre_comments := arg.comments.filter(it.pos.pos < arg.expr.pos().pos)
|
||
post_comments := arg.comments[pre_comments.len..]
|
||
if pre_comments.len > 0 {
|
||
f.comments(pre_comments)
|
||
f.write(' ')
|
||
}
|
||
if i == args.len - 1 && arg.expr is ast.StructInit {
|
||
if arg.expr.typ == ast.void_type {
|
||
f.use_short_fn_args = true
|
||
}
|
||
}
|
||
if arg.is_mut {
|
||
f.write(arg.share.str() + ' ')
|
||
}
|
||
if i > 0 && !f.single_line_if && !f.use_short_fn_args {
|
||
f.wrap_long_line(3, true)
|
||
}
|
||
f.expr(arg.expr)
|
||
if post_comments.len > 0 {
|
||
f.comments(post_comments)
|
||
f.write(' ')
|
||
}
|
||
if i < args.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) cast_expr(node ast.CastExpr) {
|
||
typ := f.table.type_to_str_using_aliases(node.typ, f.mod2alias)
|
||
if typ == 'voidptr' {
|
||
// `voidptr(0)` => `nil`
|
||
if node.expr is ast.IntegerLiteral {
|
||
if node.expr.val == '0' {
|
||
if f.inside_unsafe {
|
||
f.write('nil')
|
||
} else {
|
||
f.write('unsafe { nil }')
|
||
}
|
||
return
|
||
}
|
||
}
|
||
}
|
||
f.write('${typ}(')
|
||
f.mark_types_import_as_used(node.typ)
|
||
f.expr(node.expr)
|
||
if node.has_arg {
|
||
f.write(', ')
|
||
f.expr(node.arg)
|
||
}
|
||
f.write(')')
|
||
}
|
||
|
||
pub fn (mut f Fmt) chan_init(mut node ast.ChanInit) {
|
||
info := f.table.sym(node.typ).chan_info()
|
||
if node.elem_type == 0 && node.typ > 0 {
|
||
node.elem_type = info.elem_type
|
||
}
|
||
is_mut := info.is_mut
|
||
el_typ := if is_mut {
|
||
node.elem_type.set_nr_muls(node.elem_type.nr_muls() - 1)
|
||
} else {
|
||
node.elem_type
|
||
}
|
||
f.write('chan ')
|
||
if is_mut {
|
||
f.write('mut ')
|
||
}
|
||
f.write(f.table.type_to_str_using_aliases(el_typ, f.mod2alias))
|
||
f.write('{')
|
||
if node.has_cap {
|
||
f.write('cap: ')
|
||
f.expr(node.cap_expr)
|
||
}
|
||
f.write('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) comptime_call(node ast.ComptimeCall) {
|
||
if node.is_vweb {
|
||
if node.method_name == 'html' {
|
||
f.write('\$vweb.html()')
|
||
} else {
|
||
f.write('\$tmpl(${node.args[0].expr})')
|
||
}
|
||
} else {
|
||
match true {
|
||
node.is_embed {
|
||
if node.embed_file.compression_type == 'none' {
|
||
f.write('\$embed_file(${node.args[0].expr})')
|
||
} else {
|
||
f.write('\$embed_file(${node.args[0].expr}, .${node.embed_file.compression_type})')
|
||
}
|
||
}
|
||
node.is_env {
|
||
f.write("\$env('${node.args_var}')")
|
||
}
|
||
node.is_pkgconfig {
|
||
f.write("\$pkgconfig('${node.args_var}')")
|
||
}
|
||
node.method_name in ['compile_error', 'compile_warn'] {
|
||
if node.args_var.contains("'") {
|
||
f.write('\$${node.method_name}("${node.args_var}")')
|
||
} else {
|
||
f.write("\$${node.method_name}('${node.args_var}')")
|
||
}
|
||
}
|
||
node.method_name == 'res' {
|
||
if node.args_var != '' {
|
||
f.write('\$res(${node.args_var})')
|
||
} else {
|
||
f.write('\$res()')
|
||
}
|
||
}
|
||
else {
|
||
inner_args := if node.args_var != '' {
|
||
node.args_var
|
||
} else {
|
||
node.args.map(if it.expr is ast.ArrayDecompose {
|
||
'...${it.expr.expr.str()}'
|
||
} else {
|
||
it.str()
|
||
}).join(', ')
|
||
}
|
||
method_expr := if node.has_parens {
|
||
'(${node.method_name}(${inner_args}))'
|
||
} else {
|
||
'${node.method_name}(${inner_args})'
|
||
}
|
||
f.expr(node.left)
|
||
f.write('.$${method_expr}')
|
||
f.or_expr(node.or_block)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) comptime_selector(node ast.ComptimeSelector) {
|
||
f.expr(node.left)
|
||
f.write('.\$(${node.field_expr})')
|
||
}
|
||
|
||
pub fn (mut f Fmt) concat_expr(node ast.ConcatExpr) {
|
||
for i, val in node.vals {
|
||
if i != 0 {
|
||
f.write(', ')
|
||
}
|
||
f.expr(val)
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) dump_expr(node ast.DumpExpr) {
|
||
f.write('dump(')
|
||
f.expr(node.expr)
|
||
f.write(')')
|
||
}
|
||
|
||
pub fn (mut f Fmt) enum_val(node ast.EnumVal) {
|
||
name := f.short_module(node.enum_name)
|
||
f.write(name + '.' + node.val)
|
||
f.mark_import_as_used(name)
|
||
}
|
||
|
||
pub fn (mut f Fmt) ident(node ast.Ident) {
|
||
if node.info is ast.IdentVar {
|
||
if node.comptime && node.name in ast.valid_comptime_not_user_defined {
|
||
f.write(node.name)
|
||
return
|
||
}
|
||
if node.info.is_mut {
|
||
f.write(node.info.share.str() + ' ')
|
||
}
|
||
var_info := node.var_info()
|
||
if var_info.is_static {
|
||
f.write('static ')
|
||
}
|
||
if var_info.is_volatile {
|
||
f.write('volatile ')
|
||
}
|
||
}
|
||
f.write_language_prefix(node.language)
|
||
if node.name == 'it' && f.it_name != '' && f.in_lambda_depth == 0 { // allow `it` in lambdas
|
||
f.write(f.it_name)
|
||
} else if node.kind == .blank_ident {
|
||
f.write('_')
|
||
} else {
|
||
mut is_local := false
|
||
if f.fn_scope != unsafe { nil } {
|
||
if _ := f.fn_scope.find_var(node.name) {
|
||
is_local = true
|
||
}
|
||
}
|
||
if !is_local && !node.name.contains('.') && !f.inside_const {
|
||
// Force usage of full path to const in the same module:
|
||
// `println(minute)` => `println(time.minute)`
|
||
// This makes it clear that a module const is being used
|
||
// (since V's consts are no longer ALL_CAP).
|
||
// ^^^ except for `main`, where consts are allowed to not have a `main.` prefix.
|
||
mod := f.cur_mod
|
||
full_name := mod + '.' + node.name
|
||
if obj := f.file.global_scope.find(full_name) {
|
||
if obj is ast.ConstField {
|
||
// "v.fmt.foo" => "fmt.foo"
|
||
vals := full_name.split('.')
|
||
mod_prefix := vals[vals.len - 2]
|
||
const_name := vals.last()
|
||
if mod_prefix == 'main' {
|
||
f.write(const_name)
|
||
return
|
||
} else {
|
||
short := mod_prefix + '.' + const_name
|
||
f.write(short)
|
||
f.mark_import_as_used(short)
|
||
return
|
||
}
|
||
}
|
||
}
|
||
}
|
||
name := f.short_module(node.name)
|
||
f.write(name)
|
||
if node.concrete_types.len > 0 {
|
||
f.write('[')
|
||
for i, concrete_type in node.concrete_types {
|
||
typ_name := f.table.type_to_str_using_aliases(concrete_type, f.mod2alias)
|
||
f.write(typ_name)
|
||
if i != node.concrete_types.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.write(']')
|
||
}
|
||
if node.or_expr.kind == .propagate_option {
|
||
f.write('?')
|
||
} else if node.or_expr.kind == .block {
|
||
f.or_expr(node.or_expr)
|
||
}
|
||
f.mark_import_as_used(name)
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) if_expr(node ast.IfExpr) {
|
||
dollar := if node.is_comptime { '$' } else { '' }
|
||
f.inside_comptime_if = node.is_comptime
|
||
mut is_ternary := node.branches.len == 2 && node.has_else
|
||
&& branch_is_single_line(node.branches[0]) && branch_is_single_line(node.branches[1])
|
||
&& (node.is_expr || f.is_assign || f.is_struct_init || f.single_line_fields)
|
||
f.single_line_if = is_ternary
|
||
start_pos := f.out.len
|
||
start_len := f.line_len
|
||
for {
|
||
for i, branch in node.branches {
|
||
mut sum_len := 0
|
||
if i > 0 {
|
||
// `else`, close previous branch
|
||
if branch.comments.len > 0 {
|
||
f.writeln('}')
|
||
pre_comments := branch.comments.filter(it.pos.pos < branch.pos.pos)
|
||
sum_len += pre_comments.len
|
||
if pre_comments.len > 0 {
|
||
f.comments(pre_comments)
|
||
}
|
||
} else {
|
||
f.write('} ')
|
||
}
|
||
f.write('${dollar}else ')
|
||
}
|
||
if i < node.branches.len - 1 || !node.has_else {
|
||
f.write('${dollar}if ')
|
||
cur_pos := f.out.len
|
||
pre_comments := branch.comments[sum_len..].filter(it.pos.pos < branch.cond.pos().pos)
|
||
sum_len += pre_comments.len
|
||
post_comments := branch.comments[sum_len..]
|
||
if pre_comments.len > 0 {
|
||
f.comments(pre_comments)
|
||
f.write(' ')
|
||
}
|
||
f.expr(branch.cond)
|
||
if post_comments.len > 0 {
|
||
f.comments(post_comments)
|
||
f.write(' ')
|
||
}
|
||
cond_len := f.out.len - cur_pos
|
||
is_cond_wrapped := cond_len > 0 && branch.cond in [ast.IfGuardExpr, ast.CallExpr]
|
||
&& f.out.last_n(cond_len).contains('\n')
|
||
if is_cond_wrapped {
|
||
f.writeln('')
|
||
} else {
|
||
f.write(' ')
|
||
}
|
||
}
|
||
f.write('{')
|
||
if is_ternary {
|
||
f.write(' ')
|
||
} else {
|
||
f.writeln('')
|
||
}
|
||
f.stmts(branch.stmts)
|
||
if is_ternary {
|
||
f.write(' ')
|
||
}
|
||
}
|
||
// When a single line if is really long, write it again as multiline,
|
||
// except it is part of an InfixExpr.
|
||
if is_ternary && f.line_len > fmt.max_len.last() && !f.buffering {
|
||
is_ternary = false
|
||
f.single_line_if = false
|
||
f.out.go_back_to(start_pos)
|
||
f.line_len = start_len
|
||
f.empty_line = start_len == 0
|
||
continue
|
||
}
|
||
break
|
||
}
|
||
f.write('}')
|
||
f.single_line_if = false
|
||
f.inside_comptime_if = false
|
||
if node.post_comments.len > 0 {
|
||
f.writeln('')
|
||
f.comments(node.post_comments,
|
||
has_nl: false
|
||
prev_line: node.branches.last().body_pos.last_line
|
||
)
|
||
}
|
||
}
|
||
|
||
fn branch_is_single_line(b ast.IfBranch) bool {
|
||
if b.stmts.len == 1 && b.comments.len == 0 && stmt_is_single_line(b.stmts[0])
|
||
&& b.pos.line_nr == b.stmts[0].pos.line_nr {
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
pub fn (mut f Fmt) if_guard_expr(node ast.IfGuardExpr) {
|
||
for i, var in node.vars {
|
||
if var.is_mut {
|
||
f.write('mut ')
|
||
}
|
||
f.write(var.name)
|
||
if i != node.vars.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.write(' := ')
|
||
f.expr(node.expr)
|
||
}
|
||
|
||
pub fn (mut f Fmt) index_expr(node ast.IndexExpr) {
|
||
f.expr(node.left)
|
||
if node.index is ast.RangeExpr {
|
||
if node.index.is_gated {
|
||
f.write('#')
|
||
}
|
||
}
|
||
f.write('[')
|
||
f.expr(node.index)
|
||
f.write(']')
|
||
if node.or_expr.kind != .absent {
|
||
f.or_expr(node.or_expr)
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) infix_expr(node ast.InfixExpr) {
|
||
buffering_save := f.buffering
|
||
if !f.buffering && node.op in [.logical_or, .and, .plus] {
|
||
f.buffering = true
|
||
}
|
||
is_assign_save := f.is_assign
|
||
if node.op == .left_shift {
|
||
f.is_assign = true // To write ternary if on a single line
|
||
}
|
||
start_pos := f.out.len
|
||
start_len := f.line_len
|
||
mut redundant_par := false
|
||
if node.left is ast.ParExpr && node.op in [.and, .logical_or] {
|
||
if node.left.expr is ast.InfixExpr {
|
||
if node.left.expr.op !in [.and, .logical_or] {
|
||
redundant_par = true
|
||
f.expr(node.left.expr)
|
||
}
|
||
}
|
||
}
|
||
if !redundant_par {
|
||
f.expr(node.left)
|
||
}
|
||
if node.before_op_comments.len > 0 {
|
||
f.comments(node.before_op_comments)
|
||
}
|
||
is_one_val_array_init := node.op in [.key_in, .not_in] && node.right is ast.ArrayInit
|
||
&& node.right.exprs.len == 1
|
||
is_and := node.op == .amp && f.node_str(node.right).starts_with('&')
|
||
if is_one_val_array_init && !f.inside_comptime_if {
|
||
// `var in [val]` => `var == val`
|
||
op := if node.op == .key_in { ' == ' } else { ' != ' }
|
||
f.write(op)
|
||
} else if is_and {
|
||
f.write(' && ')
|
||
} else {
|
||
f.write(' ${node.op.str()} ')
|
||
}
|
||
if node.after_op_comments.len > 0 {
|
||
f.comments(node.after_op_comments)
|
||
f.write(' ')
|
||
}
|
||
if is_one_val_array_init && !f.inside_comptime_if {
|
||
// `var in [val]` => `var == val`
|
||
f.expr((node.right as ast.ArrayInit).exprs[0])
|
||
} else if is_and {
|
||
f.write(f.node_str(node.right).trim_string_left('&'))
|
||
} else {
|
||
redundant_par = false
|
||
if node.right is ast.ParExpr && node.op in [.and, .logical_or] {
|
||
if node.right.expr is ast.InfixExpr {
|
||
if node.right.expr.op !in [.and, .logical_or] {
|
||
redundant_par = true
|
||
f.expr(node.right.expr)
|
||
}
|
||
}
|
||
}
|
||
if !redundant_par {
|
||
f.expr(node.right)
|
||
}
|
||
}
|
||
if !buffering_save && f.buffering {
|
||
f.buffering = false
|
||
if !f.single_line_if && f.line_len > fmt.max_len.last() {
|
||
is_cond := node.op in [.and, .logical_or]
|
||
f.wrap_infix(start_pos, start_len, is_cond)
|
||
}
|
||
}
|
||
f.is_assign = is_assign_save
|
||
f.or_expr(node.or_block)
|
||
}
|
||
|
||
pub fn (mut f Fmt) wrap_infix(start_pos int, start_len int, is_cond bool) {
|
||
cut_span := f.out.len - start_pos
|
||
infix_str := f.out.cut_last(cut_span)
|
||
if !infix_str.contains_any_substr(['&&', '||', '+']) {
|
||
f.write(infix_str)
|
||
return
|
||
}
|
||
f.line_len = start_len
|
||
if start_len == 0 {
|
||
f.empty_line = true
|
||
}
|
||
conditions, penalties := split_up_infix(infix_str, false, is_cond)
|
||
f.write_splitted_infix(conditions, penalties, false, is_cond)
|
||
}
|
||
|
||
fn split_up_infix(infix_str string, ignore_paren bool, is_cond_infix bool) ([]string, []int) {
|
||
mut conditions := ['']
|
||
mut penalties := [5]
|
||
or_pen := if infix_str.contains('&&') { 3 } else { 5 }
|
||
parts := infix_str.split(' ')
|
||
mut inside_paren := false
|
||
mut ind := 0
|
||
for p in parts {
|
||
if is_cond_infix && p in ['&&', '||'] {
|
||
if inside_paren {
|
||
conditions[ind] += '${p} '
|
||
} else {
|
||
pen := if p == '||' { or_pen } else { 5 }
|
||
penalties << pen
|
||
conditions << '${p} '
|
||
ind++
|
||
}
|
||
} else if !is_cond_infix && p == '+' {
|
||
penalties << 5
|
||
conditions[ind] += '${p} '
|
||
conditions << ''
|
||
ind++
|
||
} else {
|
||
conditions[ind] += '${p} '
|
||
if ignore_paren {
|
||
continue
|
||
}
|
||
if p.starts_with('(') {
|
||
inside_paren = true
|
||
} else if p.ends_with(')') {
|
||
inside_paren = false
|
||
}
|
||
}
|
||
}
|
||
return conditions, penalties
|
||
}
|
||
|
||
const wsinfix_depth_max = 10
|
||
|
||
fn (mut f Fmt) write_splitted_infix(conditions []string, penalties []int, ignore_paren bool, is_cond bool) {
|
||
f.wsinfix_depth++
|
||
defer {
|
||
f.wsinfix_depth--
|
||
}
|
||
for i, cnd in conditions {
|
||
c := cnd.trim_space()
|
||
if f.line_len + c.len < fmt.max_len[penalties[i]] {
|
||
if (i > 0 && i < conditions.len) || (ignore_paren && i == 0 && c.len > 5 && c[3] == `(`) {
|
||
f.write(' ')
|
||
}
|
||
f.write(c)
|
||
} else {
|
||
is_paren_expr := (c[0] == `(` || (c.len > 5 && c[3] == `(`)) && c.ends_with(')')
|
||
final_len := ((f.indent + 1) * 4) + c.len
|
||
if f.wsinfix_depth > fmt.wsinfix_depth_max {
|
||
// limit indefinite recursion, by just giving up splitting:
|
||
f.write(c)
|
||
continue
|
||
}
|
||
if final_len > fmt.max_len.last() && is_paren_expr {
|
||
conds, pens := split_up_infix(c, true, is_cond)
|
||
f.write_splitted_infix(conds, pens, true, is_cond)
|
||
continue
|
||
}
|
||
mut is_wrap_needed := true
|
||
if i == 0 {
|
||
last_line_str := f.remove_new_line().trim_space()
|
||
if last_line_str in ['if', 'for'] {
|
||
f.write(' ')
|
||
is_wrap_needed = false
|
||
}
|
||
}
|
||
if is_wrap_needed {
|
||
f.writeln('')
|
||
}
|
||
f.indent++
|
||
f.write(c)
|
||
f.indent--
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) likely(node ast.Likely) {
|
||
if node.is_likely {
|
||
f.write('_likely_')
|
||
} else {
|
||
f.write('_unlikely_')
|
||
}
|
||
f.write('(')
|
||
f.expr(node.expr)
|
||
f.write(')')
|
||
}
|
||
|
||
pub fn (mut f Fmt) lock_expr(node ast.LockExpr) {
|
||
mut num_locked := 0
|
||
mut num_rlocked := 0
|
||
for is_rlock in node.is_rlock {
|
||
if is_rlock {
|
||
num_rlocked++
|
||
} else {
|
||
num_locked++
|
||
}
|
||
}
|
||
if num_locked > 0 || num_rlocked == 0 {
|
||
f.write('lock')
|
||
if num_locked > 0 {
|
||
f.write(' ')
|
||
}
|
||
mut n := 0
|
||
for i, v in node.lockeds {
|
||
if !node.is_rlock[i] {
|
||
if n > 0 {
|
||
f.write(', ')
|
||
}
|
||
f.expr(v)
|
||
n++
|
||
}
|
||
}
|
||
}
|
||
if num_rlocked > 0 {
|
||
if num_locked > 0 {
|
||
f.write('; ')
|
||
}
|
||
f.write('rlock ')
|
||
mut n := 0
|
||
for i, v in node.lockeds {
|
||
if node.is_rlock[i] {
|
||
if n > 0 {
|
||
f.write(', ')
|
||
}
|
||
f.expr(v)
|
||
n++
|
||
}
|
||
}
|
||
}
|
||
f.writeln(' {')
|
||
f.stmts(node.stmts)
|
||
f.write('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) map_init(node ast.MapInit) {
|
||
if node.keys.len == 0 {
|
||
if node.typ > ast.void_type {
|
||
sym := f.table.sym(node.typ)
|
||
info := sym.info as ast.Map
|
||
f.mark_types_import_as_used(info.key_type)
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
}
|
||
if node.pos.line_nr == node.pos.last_line {
|
||
f.write('{}')
|
||
} else {
|
||
f.writeln('{')
|
||
f.comments(node.pre_cmnts, level: .indent)
|
||
f.write('}')
|
||
}
|
||
return
|
||
}
|
||
f.writeln('{')
|
||
f.indent++
|
||
f.comments(node.pre_cmnts)
|
||
mut max_field_len := 0
|
||
mut skeys := []string{}
|
||
for key in node.keys {
|
||
skey := f.node_str(key).trim_space()
|
||
skeys << skey
|
||
skey_len := skey.len_utf8()
|
||
if skey_len > max_field_len {
|
||
max_field_len = skey_len
|
||
}
|
||
}
|
||
for i, _ in node.keys {
|
||
skey := skeys[i]
|
||
f.write(skey)
|
||
f.write(': ')
|
||
skey_len := skey.len_utf8()
|
||
f.write(strings.repeat(` `, max_field_len - skey_len))
|
||
f.expr(node.vals[i])
|
||
f.comments(node.comments[i], prev_line: node.vals[i].pos().last_line, has_nl: false)
|
||
f.writeln('')
|
||
}
|
||
f.indent--
|
||
f.write('}')
|
||
}
|
||
|
||
fn (mut f Fmt) match_branch(branch ast.MatchBranch, single_line bool) {
|
||
if !branch.is_else {
|
||
// normal branch
|
||
f.is_mbranch_expr = true
|
||
for j, expr in branch.exprs {
|
||
estr := f.node_str(expr).trim_space()
|
||
if f.line_len + estr.len + 2 > fmt.max_len[5] {
|
||
f.remove_new_line()
|
||
f.writeln('')
|
||
}
|
||
f.write(estr)
|
||
if j < branch.ecmnts.len && branch.ecmnts[j].len > 0 {
|
||
f.write(' ')
|
||
f.comments(branch.ecmnts[j])
|
||
}
|
||
if j < branch.exprs.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
f.is_mbranch_expr = false
|
||
} else {
|
||
// else branch
|
||
f.write('else')
|
||
}
|
||
if branch.stmts.len == 0 {
|
||
f.writeln(' {}')
|
||
} else {
|
||
if single_line {
|
||
f.write(' { ')
|
||
} else {
|
||
f.writeln(' {')
|
||
}
|
||
f.stmts(branch.stmts)
|
||
if single_line {
|
||
f.remove_new_line()
|
||
f.writeln(' }')
|
||
} else {
|
||
f.writeln('}')
|
||
}
|
||
}
|
||
f.comments(branch.post_comments, inline: true)
|
||
}
|
||
|
||
pub fn (mut f Fmt) match_expr(node ast.MatchExpr) {
|
||
f.write('match ')
|
||
f.expr(node.cond)
|
||
if node.cond is ast.Ident {
|
||
f.it_name = node.cond.name
|
||
}
|
||
f.writeln(' {')
|
||
f.indent++
|
||
f.comments(node.comments)
|
||
mut single_line := true
|
||
for branch in node.branches {
|
||
if branch.stmts.len > 1 || branch.pos.line_nr < branch.pos.last_line {
|
||
single_line = false
|
||
break
|
||
}
|
||
if branch.stmts.len == 0 {
|
||
continue
|
||
}
|
||
if !stmt_is_single_line(branch.stmts[0]) {
|
||
single_line = false
|
||
break
|
||
}
|
||
}
|
||
mut else_idx := -1
|
||
for i, branch in node.branches {
|
||
if branch.is_else {
|
||
else_idx = i
|
||
continue
|
||
}
|
||
f.match_branch(branch, single_line)
|
||
}
|
||
if else_idx >= 0 {
|
||
f.match_branch(node.branches[else_idx], single_line)
|
||
}
|
||
f.indent--
|
||
f.write('}')
|
||
f.it_name = ''
|
||
}
|
||
|
||
pub fn (mut f Fmt) offset_of(node ast.OffsetOf) {
|
||
f.write('__offsetof(${f.table.type_to_str_using_aliases(node.struct_type, f.mod2alias)}, ${node.field})')
|
||
f.mark_types_import_as_used(node.struct_type)
|
||
}
|
||
|
||
pub fn (mut f Fmt) or_expr(node ast.OrExpr) {
|
||
match node.kind {
|
||
.absent {}
|
||
.block {
|
||
if node.stmts.len == 0 {
|
||
f.write(' or {')
|
||
if node.pos.line_nr != node.pos.last_line {
|
||
f.writeln('')
|
||
}
|
||
f.write('}')
|
||
return
|
||
} else if node.stmts.len == 1 && stmt_is_single_line(node.stmts[0]) {
|
||
// the control stmts (return/break/continue...) print a newline inside them,
|
||
// so, since this'll all be on one line, trim any possible whitespace
|
||
str := f.node_str(node.stmts[0]).trim_space()
|
||
single_line := ' or { ${str} }'
|
||
if single_line.len + f.line_len <= fmt.max_len.last() {
|
||
f.write(single_line)
|
||
return
|
||
}
|
||
}
|
||
// Make it multiline if the blocks has at least two stmts
|
||
// or a single line would be too long
|
||
f.writeln(' or {')
|
||
f.stmts(node.stmts)
|
||
f.write('}')
|
||
}
|
||
.propagate_option {
|
||
f.write('?')
|
||
}
|
||
.propagate_result {
|
||
f.write('!')
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) par_expr(node ast.ParExpr) {
|
||
mut expr := node.expr
|
||
for mut expr is ast.ParExpr {
|
||
expr = expr.expr
|
||
}
|
||
requires_paren := expr !is ast.Ident
|
||
if requires_paren {
|
||
f.par_level++
|
||
f.write('(')
|
||
}
|
||
f.expr(expr)
|
||
if requires_paren {
|
||
f.par_level--
|
||
f.write(')')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) postfix_expr(node ast.PostfixExpr) {
|
||
f.expr(node.expr)
|
||
// `$if foo ?`
|
||
if node.op == .question {
|
||
f.write(' ?')
|
||
} else {
|
||
f.write('${node.op}')
|
||
}
|
||
if node.is_c2v_prefix {
|
||
f.write('$')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) prefix_expr(node ast.PrefixExpr) {
|
||
// !(a in b) => a !in b, !(a is b) => a !is b
|
||
if node.op == .not && node.right is ast.ParExpr {
|
||
if node.right.expr is ast.InfixExpr {
|
||
if node.right.expr.op in [.key_in, .not_in, .key_is, .not_is]
|
||
&& node.right.expr.right !is ast.InfixExpr {
|
||
f.expr(node.right.expr.left)
|
||
match node.right.expr.op {
|
||
.key_in { f.write(' !in ') }
|
||
.not_in { f.write(' in ') }
|
||
.key_is { f.write(' !is ') }
|
||
.not_is { f.write(' is ') }
|
||
else {}
|
||
}
|
||
f.expr(node.right.expr.right)
|
||
return
|
||
}
|
||
}
|
||
}
|
||
f.write(node.op.str())
|
||
f.expr(node.right)
|
||
f.or_expr(node.or_block)
|
||
}
|
||
|
||
pub fn (mut f Fmt) range_expr(node ast.RangeExpr) {
|
||
f.expr(node.low)
|
||
if f.is_mbranch_expr {
|
||
f.write('...')
|
||
} else {
|
||
f.write('..')
|
||
}
|
||
f.expr(node.high)
|
||
}
|
||
|
||
pub fn (mut f Fmt) select_expr(node ast.SelectExpr) {
|
||
f.writeln('select {')
|
||
f.indent++
|
||
for branch in node.branches {
|
||
if branch.comment.text != '' {
|
||
f.comment(branch.comment, inline: true)
|
||
f.writeln('')
|
||
}
|
||
if branch.is_else {
|
||
f.write('else {')
|
||
} else {
|
||
f.single_line_if = true
|
||
match branch.stmt {
|
||
ast.ExprStmt { f.expr(branch.stmt.expr) }
|
||
else { f.stmt(branch.stmt) }
|
||
}
|
||
f.single_line_if = false
|
||
f.write(' {')
|
||
}
|
||
if branch.stmts.len > 0 {
|
||
f.writeln('')
|
||
f.stmts(branch.stmts)
|
||
}
|
||
f.writeln('}')
|
||
if branch.post_comments.len > 0 {
|
||
f.comments(branch.post_comments, inline: true)
|
||
}
|
||
}
|
||
f.indent--
|
||
f.write('}')
|
||
}
|
||
|
||
pub fn (mut f Fmt) selector_expr(node ast.SelectorExpr) {
|
||
f.expr(node.expr)
|
||
f.write('.')
|
||
f.write(node.field_name)
|
||
f.or_expr(node.or_block)
|
||
}
|
||
|
||
pub fn (mut f Fmt) size_of(node ast.SizeOf) {
|
||
f.write('sizeof')
|
||
if node.is_type && !node.guessed_type {
|
||
// the new form was explicitly written in the source code; keep it:
|
||
f.write('[')
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write(']()')
|
||
return
|
||
}
|
||
if node.is_type {
|
||
f.write('(')
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write(')')
|
||
} else {
|
||
f.write('(')
|
||
f.expr(node.expr)
|
||
f.write(')')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) is_ref_type(node ast.IsRefType) {
|
||
f.write('isreftype')
|
||
if node.is_type && !node.guessed_type {
|
||
// the new form was explicitly written in the source code; keep it:
|
||
f.write('[')
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write(']()')
|
||
return
|
||
}
|
||
if node.is_type {
|
||
f.write('(')
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write(')')
|
||
} else {
|
||
f.write('(')
|
||
f.expr(node.expr)
|
||
f.write(')')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) sql_expr(node ast.SqlExpr) {
|
||
// sql app.db { select from Contributor where repo == id && user == 0 }
|
||
f.write('sql ')
|
||
f.expr(node.db_expr)
|
||
f.writeln(' {')
|
||
f.write('\tselect ')
|
||
sym := f.table.sym(node.table_expr.typ)
|
||
mut table_name := sym.name
|
||
if !table_name.starts_with('C.') && !table_name.starts_with('JS.') {
|
||
table_name = f.no_cur_mod(f.short_module(sym.name)) // TODO f.type_to_str?
|
||
}
|
||
if node.is_count {
|
||
f.write('count ')
|
||
} else {
|
||
for i, fd in node.fields {
|
||
f.write(fd.name)
|
||
if i < node.fields.len - 1 {
|
||
f.write(', ')
|
||
}
|
||
}
|
||
}
|
||
f.write('from ${table_name}')
|
||
if node.has_where {
|
||
f.write(' where ')
|
||
f.expr(node.where_expr)
|
||
}
|
||
if node.has_order {
|
||
f.write(' order by ')
|
||
f.expr(node.order_expr)
|
||
if node.has_desc {
|
||
f.write(' desc')
|
||
}
|
||
}
|
||
if node.has_limit {
|
||
f.write(' limit ')
|
||
f.expr(node.limit_expr)
|
||
}
|
||
if node.has_offset {
|
||
f.write(' offset ')
|
||
f.expr(node.offset_expr)
|
||
}
|
||
f.writeln('')
|
||
f.write('}')
|
||
f.or_expr(node.or_expr)
|
||
}
|
||
|
||
pub fn (mut f Fmt) char_literal(node ast.CharLiteral) {
|
||
if node.val == r"\'" {
|
||
f.write("`'`")
|
||
return
|
||
}
|
||
if node.val.len == 1 {
|
||
clit := node.val[0]
|
||
if clit < 32 || clit > 127 || clit == 92 || clit == 96 {
|
||
f.write('`\\x${clit.hex()}`')
|
||
return
|
||
}
|
||
}
|
||
f.write('`${node.val}`')
|
||
}
|
||
|
||
pub fn (mut f Fmt) string_literal(node ast.StringLiteral) {
|
||
quote := if node.val.contains("'") && !node.val.contains('"') { '"' } else { "'" }
|
||
if node.is_raw {
|
||
f.write('r')
|
||
} else if node.language == ast.Language.c {
|
||
f.write('c')
|
||
}
|
||
if node.is_raw {
|
||
f.write('${quote}${node.val}${quote}')
|
||
} else {
|
||
unescaped_val := node.val.replace('${fmt.bs}${fmt.bs}', '\x01').replace_each([
|
||
"${fmt.bs}'",
|
||
"'",
|
||
'${fmt.bs}"',
|
||
'"',
|
||
])
|
||
s := unescaped_val.replace_each(['\x01', '${fmt.bs}${fmt.bs}', quote, '${fmt.bs}${quote}'])
|
||
f.write('${quote}${s}${quote}')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) string_inter_literal(node ast.StringInterLiteral) {
|
||
mut quote := "'"
|
||
for val in node.vals {
|
||
if val.contains('\\"') {
|
||
quote = '"'
|
||
break
|
||
}
|
||
if val.contains("\\'") {
|
||
quote = "'"
|
||
break
|
||
}
|
||
if val.contains('"') {
|
||
quote = "'"
|
||
}
|
||
if val.contains("'") {
|
||
quote = '"'
|
||
}
|
||
}
|
||
// TODO: this code is very similar to ast.Expr.str()
|
||
// serkonda7: it can not fully be replaced tho as ´f.expr()´ and `ast.Expr.str()`
|
||
// work too different for the various exprs that are interpolated
|
||
f.write(quote)
|
||
for i, val in node.vals {
|
||
unescaped_val := val.replace('${fmt.bs}${fmt.bs}', '\x01').replace_each([
|
||
"${fmt.bs}'",
|
||
"'",
|
||
'${fmt.bs}"',
|
||
'"',
|
||
])
|
||
s := unescaped_val.replace_each(['\x01', '${fmt.bs}${fmt.bs}', quote, '${fmt.bs}${quote}'])
|
||
f.write('${s}')
|
||
if i >= node.exprs.len {
|
||
break
|
||
}
|
||
f.write('$')
|
||
fspec_str, needs_braces := node.get_fspec_braces(i)
|
||
if needs_braces {
|
||
f.write('{')
|
||
f.expr(node.exprs[i])
|
||
f.write(fspec_str)
|
||
f.write('}')
|
||
} else {
|
||
f.write('{')
|
||
f.expr(node.exprs[i])
|
||
f.write('}')
|
||
}
|
||
}
|
||
f.write(quote)
|
||
}
|
||
|
||
pub fn (mut f Fmt) type_expr(node ast.TypeNode) {
|
||
f.mark_types_import_as_used(node.typ)
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
}
|
||
|
||
pub fn (mut f Fmt) type_of(node ast.TypeOf) {
|
||
f.write('typeof')
|
||
if node.is_type {
|
||
f.write('[')
|
||
f.write(f.table.type_to_str_using_aliases(node.typ, f.mod2alias))
|
||
f.write(']()')
|
||
} else {
|
||
f.write('(')
|
||
f.expr(node.expr)
|
||
f.write(')')
|
||
}
|
||
}
|
||
|
||
pub fn (mut f Fmt) unsafe_expr(node ast.UnsafeExpr) {
|
||
single_line := node.pos.line_nr >= node.pos.last_line
|
||
f.write('unsafe {')
|
||
if single_line {
|
||
f.write(' ')
|
||
} else {
|
||
f.writeln('')
|
||
f.indent++
|
||
f.empty_line = true
|
||
}
|
||
f.expr(node.expr)
|
||
if single_line {
|
||
f.write(' ')
|
||
} else {
|
||
f.writeln('')
|
||
f.indent--
|
||
}
|
||
f.write('}')
|
||
}
|
||
|
||
fn (mut f Fmt) trace(fbase string, message string) {
|
||
if f.file.path_base == fbase {
|
||
println('> f.trace | ${fbase:-10s} | ${message}')
|
||
}
|
||
}
|