527 lines
23 KiB
V
527 lines
23 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license that can be found in the LICENSE file.
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module gen
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import v.table
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import v.pref
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import v.util
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// already generated styp, reuse it
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fn (mut g Gen) gen_str_for_type_with_styp(typ table.Type, styp string) string {
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mut sym := g.table.get_type_symbol(g.unwrap_generic(typ))
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mut str_fn_name := styp_to_str_fn_name(styp)
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if sym.info is table.Alias as sym_info {
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if sym_info.is_import {
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sym = g.table.get_type_symbol((sym.info as table.Alias).parent_type)
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str_fn_name = styp_to_str_fn_name(sym.name.replace('.', '__'))
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}
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}
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sym_has_str_method, str_method_expects_ptr, str_nr_args := sym.str_method_info()
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// generate for type
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if sym_has_str_method && str_method_expects_ptr && str_nr_args == 1 {
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// TODO: optimize out this.
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// It is needed, so that println() can be called with &T and T has `fn (t &T).str() string`
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/*
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eprintln('>> gsftws: typ: $typ | typ_is_ptr $typ_is_ptr | styp: $styp ' +
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'| $str_fn_name | sym.name: $sym.name has_str: $sym_has_str_method ' +
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'| expects_ptr: $str_method_expects_ptr')
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*/
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str_fn_name_no_ptr := '${str_fn_name}_no_ptr'
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already_generated_key_no_ptr := '$styp:$str_fn_name_no_ptr'
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if already_generated_key_no_ptr !in g.str_types {
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g.str_types << already_generated_key_no_ptr
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g.type_definitions.writeln('string ${str_fn_name_no_ptr}($styp it); // auto no_ptr version')
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g.auto_str_funcs.writeln('string ${str_fn_name_no_ptr}($styp it){ return ${str_fn_name}(&it); }')
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}
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/*
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typ_is_ptr := typ.is_ptr()
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ret_type := if typ_is_ptr { str_fn_name } else { str_fn_name_no_ptr }
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eprintln(' ret_type: $ret_type')
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return ret_type
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*/
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return str_fn_name_no_ptr
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}
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already_generated_key := '$styp:$str_fn_name'
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if !sym_has_str_method && already_generated_key !in g.str_types {
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$if debugautostr ? {
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eprintln('> gen_str_for_type_with_styp: |typ: ${typ:5}, ${sym.name:20}|has_str: ${sym_has_str_method:5}|expects_ptr: ${str_method_expects_ptr:5}|nr_args: ${str_nr_args:1}|fn_name: ${str_fn_name:20}')
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}
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g.str_types << already_generated_key
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match sym.info as sym_info {
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table.Alias {
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if sym_info.is_import {
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g.gen_str_default(sym, styp, str_fn_name)
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} else {
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g.gen_str_for_alias(sym_info, styp, str_fn_name)
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}
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}
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table.Array {
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g.gen_str_for_array(it, styp, str_fn_name)
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}
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table.ArrayFixed {
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g.gen_str_for_array_fixed(it, styp, str_fn_name)
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}
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table.Enum {
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g.gen_str_for_enum(it, styp, str_fn_name)
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}
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table.Struct {
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g.gen_str_for_struct(it, styp, str_fn_name)
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}
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table.Map {
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g.gen_str_for_map(it, styp, str_fn_name)
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}
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table.MultiReturn {
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g.gen_str_for_multi_return(it, styp, str_fn_name)
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}
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table.SumType {
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g.gen_str_for_sum_type(it, styp, str_fn_name)
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}
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else {
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verror("could not generate string method $str_fn_name for type \'$styp\'")
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}
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}
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}
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// if varg, generate str for varg
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if typ.has_flag(.variadic) {
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varg_already_generated_key := 'varg_$already_generated_key'
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if varg_already_generated_key !in g.str_types {
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g.gen_str_for_varg(styp, str_fn_name, sym_has_str_method)
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g.str_types << varg_already_generated_key
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}
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return 'varg_$str_fn_name'
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}
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return str_fn_name
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}
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fn (mut g Gen) gen_str_for_alias(info table.Alias, styp string, str_fn_name string) {
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sym := g.table.get_type_symbol(info.parent_type)
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sym_has_str_method, _, _ := sym.str_method_info()
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mut parent_str_fn_name := styp_to_str_fn_name(sym.name.replace('.', '__'))
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if !sym_has_str_method {
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parent_styp := g.typ(info.parent_type)
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parent_str_fn_name = g.gen_str_for_type_with_styp(info.parent_type, parent_styp)
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}
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mut clean_type_v_type_name := util.strip_main_name(styp.replace('__', '.'))
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g.type_definitions.writeln('string ${str_fn_name}($styp it); // auto')
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g.auto_str_funcs.writeln('string ${str_fn_name}($styp it) { return indent_${str_fn_name}(it, 0); }')
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g.type_definitions.writeln('string indent_${str_fn_name}($styp it, int indent_count); // auto')
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g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp it, int indent_count) {')
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g.auto_str_funcs.writeln('\tstring indents = tos_lit("");')
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g.auto_str_funcs.writeln('\tfor (int i = 0; i < indent_count; ++i) {')
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g.auto_str_funcs.writeln('\t\tindents = string_add(indents, tos_lit(" "));')
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g.auto_str_funcs.writeln('\t}')
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g.auto_str_funcs.writeln('\treturn _STR("%.*s\\000${clean_type_v_type_name}(%.*s\\000)", 3, indents, ${parent_str_fn_name}(it));')
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g.auto_str_funcs.writeln('}')
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}
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fn (mut g Gen) gen_str_for_array(info table.Array, styp string, str_fn_name string) {
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mut typ := info.elem_type
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mut sym := g.table.get_type_symbol(info.elem_type)
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if sym.info is table.Alias as alias_info {
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typ = alias_info.parent_type
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sym = g.table.get_type_symbol(alias_info.parent_type)
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}
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field_styp := g.typ(typ)
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is_elem_ptr := typ.is_ptr()
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sym_has_str_method, str_method_expects_ptr, _ := sym.str_method_info()
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mut elem_str_fn_name := ''
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if sym_has_str_method {
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elem_str_fn_name = if is_elem_ptr { field_styp.replace('*', '') + '_str' } else { field_styp +
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'_str' }
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if sym.kind == .byte {
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elem_str_fn_name = elem_str_fn_name + '_escaped'
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}
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} else {
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elem_str_fn_name = styp_to_str_fn_name(field_styp)
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}
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if !sym_has_str_method {
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g.gen_str_for_type_with_styp(typ, field_styp)
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}
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g.type_definitions.writeln('string ${str_fn_name}($styp a); // auto')
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g.auto_str_funcs.writeln('string ${str_fn_name}($styp a) { return indent_${str_fn_name}(a, 0);}')
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g.type_definitions.writeln('string indent_${str_fn_name}($styp a, int indent_count); // auto')
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g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp a, int indent_count) {')
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g.auto_str_funcs.writeln('\tstrings__Builder sb = strings__new_builder(a.len * 10);')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("["));')
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g.auto_str_funcs.writeln('\tfor (int i = 0; i < a.len; ++i) {')
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g.auto_str_funcs.writeln('\t\t$field_styp it = (*($field_styp*)array_get(a, i));')
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if sym.kind == .struct_ && !sym_has_str_method {
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if is_elem_ptr {
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g.auto_str_funcs.writeln('\t\tstring x = indent_${elem_str_fn_name}(*it, indent_count);')
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} else {
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g.auto_str_funcs.writeln('\t\tstring x = indent_${elem_str_fn_name}(it, indent_count);')
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}
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} else if sym.kind in [.f32, .f64] {
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g.auto_str_funcs.writeln('\t\tstring x = _STR("%g", 1, it);')
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} else {
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// There is a custom .str() method, so use it.
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// NB: we need to take account of whether the user has defined
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// `fn (x T) str() {` or `fn (x &T) str() {`, and convert accordingly
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if (str_method_expects_ptr && is_elem_ptr) || (!str_method_expects_ptr && !is_elem_ptr) {
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g.auto_str_funcs.writeln('\t\tstring x = ${elem_str_fn_name}(it);')
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} else if str_method_expects_ptr && !is_elem_ptr {
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g.auto_str_funcs.writeln('\t\tstring x = ${elem_str_fn_name}(&it);')
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} else if !str_method_expects_ptr && is_elem_ptr {
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g.auto_str_funcs.writeln('\t\tstring x = ${elem_str_fn_name}(*it);')
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}
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}
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, x);')
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if g.pref.autofree && typ != table.bool_type {
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// no need to free "true"/"false" literals
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g.auto_str_funcs.writeln('\t\tstring_free(&x);')
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}
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g.auto_str_funcs.writeln('\t\tif (i < a.len-1) {')
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g.auto_str_funcs.writeln('\t\t\tstrings__Builder_write(&sb, tos_lit(", "));')
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g.auto_str_funcs.writeln('\t\t}')
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g.auto_str_funcs.writeln('\t}')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("]"));')
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g.auto_str_funcs.writeln('\tstring res = strings__Builder_str(&sb);')
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g.auto_str_funcs.writeln('\tstrings__Builder_free(&sb);')
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// g.auto_str_funcs.writeln('\treturn strings__Builder_str(&sb);')
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g.auto_str_funcs.writeln('\treturn res;')
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g.auto_str_funcs.writeln('}')
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}
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fn (mut g Gen) gen_str_for_array_fixed(info table.ArrayFixed, styp string, str_fn_name string) {
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mut typ := info.elem_type
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mut sym := g.table.get_type_symbol(info.elem_type)
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if sym.info is table.Alias as alias_info {
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typ = alias_info.parent_type
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sym = g.table.get_type_symbol(alias_info.parent_type)
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}
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field_styp := g.typ(typ)
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is_elem_ptr := typ.is_ptr()
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sym_has_str_method, str_method_expects_ptr, _ := sym.str_method_info()
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mut elem_str_fn_name := ''
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if sym_has_str_method {
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elem_str_fn_name = if is_elem_ptr { field_styp.replace('*', '') + '_str' } else { field_styp +
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'_str' }
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} else {
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elem_str_fn_name = styp_to_str_fn_name(field_styp)
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}
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if !sym.has_method('str') {
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elem_str_fn_name = g.gen_str_for_type_with_styp(typ, field_styp)
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}
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g.type_definitions.writeln('string ${str_fn_name}($styp a); // auto')
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g.auto_str_funcs.writeln('string ${str_fn_name}($styp a) { return indent_${str_fn_name}(a, 0);}')
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g.type_definitions.writeln('string indent_${str_fn_name}($styp a, int indent_count); // auto')
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g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp a, int indent_count) {')
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g.auto_str_funcs.writeln('\tstrings__Builder sb = strings__new_builder($info.size * 10);')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("["));')
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g.auto_str_funcs.writeln('\tfor (int i = 0; i < $info.size; ++i) {')
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if sym.kind == .struct_ && !sym_has_str_method {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${elem_str_fn_name}(a[i], indent_count));')
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} else if sym.kind in [.f32, .f64] {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("%g", 1, a[i]));')
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} else if sym.kind == .string {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\'%.*s\\000\'", 2, a[i]));')
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} else {
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if (str_method_expects_ptr && is_elem_ptr) || (!str_method_expects_ptr && !is_elem_ptr) {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${elem_str_fn_name}(a[i]));')
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} else if str_method_expects_ptr && !is_elem_ptr {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${elem_str_fn_name}(&a[i]));')
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} else if !str_method_expects_ptr && is_elem_ptr {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${elem_str_fn_name}(*a[i]));')
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}
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}
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g.auto_str_funcs.writeln('\t\tif (i < ${info.size - 1}) {')
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g.auto_str_funcs.writeln('\t\t\tstrings__Builder_write(&sb, tos_lit(", "));')
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g.auto_str_funcs.writeln('\t\t}')
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g.auto_str_funcs.writeln('\t}')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("]"));')
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g.auto_str_funcs.writeln('\treturn strings__Builder_str(&sb);')
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g.auto_str_funcs.writeln('}')
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}
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fn (mut g Gen) gen_str_for_map(info table.Map, styp string, str_fn_name string) {
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key_sym := g.table.get_type_symbol(info.key_type)
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key_styp := g.typ(info.key_type)
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if !key_sym.has_method('str') {
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g.gen_str_for_type_with_styp(info.key_type, key_styp)
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}
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val_sym := g.table.get_type_symbol(info.value_type)
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val_styp := g.typ(info.value_type)
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elem_str_fn_name := val_styp.replace('*', '') + '_str'
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if !val_sym.has_method('str') {
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g.gen_str_for_type_with_styp(info.value_type, val_styp)
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}
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zero := g.type_default(info.value_type)
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g.type_definitions.writeln('string ${str_fn_name}($styp m); // auto')
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g.auto_str_funcs.writeln('string ${str_fn_name}($styp m) { return indent_${str_fn_name}(m, 0);}')
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g.type_definitions.writeln('string indent_${str_fn_name}($styp m, int indent_count); // auto')
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g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp m, int indent_count) { /* gen_str_for_map */')
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g.auto_str_funcs.writeln('\tstrings__Builder sb = strings__new_builder(m.key_values.len*10);')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("{"));')
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g.auto_str_funcs.writeln('\tfor (unsigned int i = 0; i < m.key_values.len; ++i) {')
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g.auto_str_funcs.writeln('\t\tstring key = (*(string*)DenseArray_get(m.key_values, i));')
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\'%.*s\\000\'", 2, key));')
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, tos_lit(": "));')
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g.auto_str_funcs.write('\t$val_styp it = (*($val_styp*)map_get(')
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g.auto_str_funcs.write('m, (*(string*)DenseArray_get(m.key_values, i))')
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g.auto_str_funcs.write(', ')
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g.auto_str_funcs.writeln(' &($val_styp[]) { $zero }));')
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if val_sym.kind == .string {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\'%.*s\\000\'", 2, it));')
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} else if val_sym.kind == .struct_ && !val_sym.has_method('str') {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, indent_${elem_str_fn_name}(it, indent_count));')
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} else if val_sym.kind in [.f32, .f64] {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("%g", 1, it));')
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} else {
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${elem_str_fn_name}(it));')
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}
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g.auto_str_funcs.writeln('\t\tif (i != m.key_values.len-1) {')
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g.auto_str_funcs.writeln('\t\t\tstrings__Builder_write(&sb, tos_lit(", "));')
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g.auto_str_funcs.writeln('\t\t}')
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g.auto_str_funcs.writeln('\t}')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("}"));')
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g.auto_str_funcs.writeln('\treturn strings__Builder_str(&sb);')
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g.auto_str_funcs.writeln('}')
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}
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fn (mut g Gen) gen_str_for_varg(styp string, str_fn_name string, has_str_method bool) {
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g.definitions.writeln('string varg_${str_fn_name}(varg_$styp it); // auto')
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g.auto_str_funcs.writeln('string varg_${str_fn_name}(varg_$styp it) {')
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g.auto_str_funcs.writeln('\tstrings__Builder sb = strings__new_builder(it.len);')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("["));')
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g.auto_str_funcs.writeln('\tfor(int i=0; i<it.len; ++i) {')
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g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${str_fn_name}(it.args[i]));')
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g.auto_str_funcs.writeln('\t\tif (i < it.len-1) {')
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g.auto_str_funcs.writeln('\t\t\tstrings__Builder_write(&sb, tos_lit(", "));')
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g.auto_str_funcs.writeln('\t\t}')
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g.auto_str_funcs.writeln('\t}')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("]"));')
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g.auto_str_funcs.writeln('\treturn strings__Builder_str(&sb);')
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g.auto_str_funcs.writeln('}')
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}
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fn (mut g Gen) gen_str_for_multi_return(info table.MultiReturn, styp string, str_fn_name string) {
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for typ in info.types {
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sym := g.table.get_type_symbol(typ)
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if !sym.has_method('str') {
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field_styp := g.typ(typ)
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g.gen_str_for_type_with_styp(typ, field_styp)
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}
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}
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g.type_definitions.writeln('string ${str_fn_name}($styp a); // auto')
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g.auto_str_funcs.writeln('string ${str_fn_name}($styp a) {')
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g.auto_str_funcs.writeln('\tstrings__Builder sb = strings__new_builder($info.types.len * 10);')
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g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit("("));')
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for i, typ in info.types {
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sym := g.table.get_type_symbol(typ)
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field_styp := g.typ(typ)
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is_arg_ptr := typ.is_ptr()
|
|
sym_has_str_method, str_method_expects_ptr, _ := sym.str_method_info()
|
|
mut arg_str_fn_name := ''
|
|
if sym_has_str_method {
|
|
arg_str_fn_name = if is_arg_ptr { field_styp.replace('*', '') + '_str' } else { field_styp +
|
|
'_str' }
|
|
} else {
|
|
arg_str_fn_name = styp_to_str_fn_name(field_styp)
|
|
}
|
|
if sym.kind == .struct_ && !sym_has_str_method {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, ${str_fn_name}(a.arg$i));')
|
|
} else if sym.kind in [.f32, .f64] {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, _STR("%g", 1, a.arg$i));')
|
|
} else if sym.kind == .string {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, _STR("\'%.*s\\000\'", 2, a.arg$i));')
|
|
} else {
|
|
if (str_method_expects_ptr && is_arg_ptr) || (!str_method_expects_ptr && !is_arg_ptr) {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, ${arg_str_fn_name}(a.arg$i));')
|
|
} else if str_method_expects_ptr && !is_arg_ptr {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, ${arg_str_fn_name}(&a.arg$i));')
|
|
} else if !str_method_expects_ptr && is_arg_ptr {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, ${arg_str_fn_name}(*a.arg$i));')
|
|
}
|
|
}
|
|
if i != info.types.len - 1 {
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit(", "));')
|
|
}
|
|
}
|
|
g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos_lit(")"));')
|
|
g.auto_str_funcs.writeln('\treturn strings__Builder_str(&sb);')
|
|
g.auto_str_funcs.writeln('}')
|
|
}
|
|
|
|
fn (mut g Gen) gen_str_for_struct(info table.Struct, styp string, str_fn_name string) {
|
|
// TODO: short it if possible
|
|
// generates all definitions of substructs
|
|
mut fnames2strfunc := {
|
|
'': ''
|
|
} // map[string]string // TODO vfmt bug
|
|
for field in info.fields {
|
|
sym := g.table.get_type_symbol(field.typ)
|
|
if !sym.has_method('str') {
|
|
mut typ := field.typ
|
|
if typ.is_ptr() {
|
|
typ = typ.deref()
|
|
}
|
|
field_styp := g.typ(typ)
|
|
field_fn_name := g.gen_str_for_type_with_styp(field.typ, field_styp)
|
|
fnames2strfunc[field_styp] = field_fn_name
|
|
}
|
|
}
|
|
// _str() functions should have a single argument, the indenting ones take 2:
|
|
g.type_definitions.writeln('string ${str_fn_name}($styp x); // auto')
|
|
g.auto_str_funcs.writeln('string ${str_fn_name}($styp x) { return indent_${str_fn_name}(x, 0);}')
|
|
g.type_definitions.writeln('string indent_${str_fn_name}($styp x, int indent_count); // auto')
|
|
g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp x, int indent_count) {')
|
|
mut clean_struct_v_type_name := styp.replace('__', '.')
|
|
if styp.ends_with('*') {
|
|
deref_typ := styp.replace('*', '')
|
|
g.auto_str_funcs.writeln('\t$deref_typ *it = x;')
|
|
clean_struct_v_type_name = '&' + clean_struct_v_type_name.replace('*', '')
|
|
} else {
|
|
deref_typ := styp
|
|
g.auto_str_funcs.writeln('\t$deref_typ *it = &x;')
|
|
}
|
|
clean_struct_v_type_name = util.strip_main_name(clean_struct_v_type_name)
|
|
// generate ident / indent length = 4 spaces
|
|
g.auto_str_funcs.writeln('\tstring indents = tos_lit("");')
|
|
g.auto_str_funcs.writeln('\tfor (int i = 0; i < indent_count; ++i) {')
|
|
g.auto_str_funcs.writeln('\t\tindents = string_add(indents, tos_lit(" "));')
|
|
g.auto_str_funcs.writeln('\t}')
|
|
if info.fields.len == 0 {
|
|
g.auto_str_funcs.write('\treturn tos_lit("$clean_struct_v_type_name{}");')
|
|
} else {
|
|
g.auto_str_funcs.write('\treturn _STR("$clean_struct_v_type_name{\\n"')
|
|
for field in info.fields {
|
|
mut fmt := g.type_to_fmt(field.typ)
|
|
if field.typ.is_ptr() {
|
|
fmt = '&$fmt'
|
|
}
|
|
g.auto_str_funcs.writeln('\t\t"%.*s\\000 $field.name: $fmt\\n"')
|
|
}
|
|
g.auto_str_funcs.write('\t\t"%.*s\\000}", ${2 * (info.fields.len + 1)}')
|
|
if info.fields.len > 0 {
|
|
g.auto_str_funcs.write(',\n\t\t')
|
|
for i, field in info.fields {
|
|
sym := g.table.get_type_symbol(field.typ)
|
|
has_custom_str := sym.has_method('str')
|
|
mut field_styp := g.typ(field.typ)
|
|
if field_styp.ends_with('*') {
|
|
field_styp = field_styp.replace('*', '')
|
|
}
|
|
field_styp_fn_name := if has_custom_str { '${field_styp}_str' } else { fnames2strfunc[field_styp] }
|
|
g.auto_str_funcs.write('indents, ')
|
|
func := struct_auto_str_func(sym, field.typ, field_styp_fn_name, field.name)
|
|
if field.typ.is_ptr() {
|
|
g.auto_str_funcs.write('isnil(it->${c_name(field.name)})')
|
|
g.auto_str_funcs.write(' ? tos_lit("nil") : ')
|
|
// struct, floats and ints have a special case through the _str function
|
|
if sym.kind != .struct_ && !field.typ.is_int() && !field.typ.is_float() {
|
|
g.auto_str_funcs.write('*')
|
|
}
|
|
}
|
|
g.auto_str_funcs.write(func)
|
|
if i < info.fields.len - 1 {
|
|
g.auto_str_funcs.write(',\n\t\t')
|
|
}
|
|
}
|
|
}
|
|
g.auto_str_funcs.writeln(',')
|
|
g.auto_str_funcs.writeln('\t\tindents);')
|
|
}
|
|
g.auto_str_funcs.writeln('}')
|
|
}
|
|
|
|
fn struct_auto_str_func(sym table.TypeSymbol, field_type table.Type, fn_name string, field_name string) string {
|
|
has_custom_str := sym.has_method('str')
|
|
if sym.kind == .enum_ {
|
|
return '${fn_name}(it->${c_name(field_name)})'
|
|
} else if sym.kind == .struct_ {
|
|
mut obj := 'it->${c_name(field_name)}'
|
|
if field_type.is_ptr() {
|
|
obj = '*$obj'
|
|
}
|
|
if has_custom_str {
|
|
return '${fn_name}($obj)'
|
|
}
|
|
return 'indent_${fn_name}($obj, indent_count + 1)'
|
|
} else if sym.kind in [.array, .array_fixed, .map, .sum_type] {
|
|
if has_custom_str {
|
|
return '${fn_name}(it->${c_name(field_name)})'
|
|
}
|
|
return 'indent_${fn_name}(it->${c_name(field_name)}, indent_count + 1)'
|
|
} else {
|
|
mut method_str := 'it->${c_name(field_name)}'
|
|
if sym.kind == .bool {
|
|
method_str += ' ? _SLIT("true") : _SLIT("false")'
|
|
} else if (field_type.is_int() || field_type.is_float()) && field_type.is_ptr() {
|
|
// ptr int can be "nil", so this needs to be castet to a string
|
|
fmt := if sym.kind in [.f32, .f64] {
|
|
'%g\\000'
|
|
} else if sym.kind == .u64 {
|
|
'%lld\\000'
|
|
} else {
|
|
'%d\\000'
|
|
}
|
|
method_str = '_STR("$fmt", 2, *$method_str)'
|
|
}
|
|
return method_str
|
|
}
|
|
}
|
|
|
|
fn (mut g Gen) gen_str_for_enum(info table.Enum, styp string, str_fn_name string) {
|
|
s := util.no_dots(styp)
|
|
g.type_definitions.writeln('string ${str_fn_name}($styp it); // auto')
|
|
g.auto_str_funcs.writeln('string ${str_fn_name}($styp it) { /* gen_str_for_enum */')
|
|
g.auto_str_funcs.writeln('\tswitch(it) {')
|
|
// Only use the first multi value on the lookup
|
|
mut seen := []string{len: info.vals.len}
|
|
for val in info.vals {
|
|
if info.is_multi_allowed && val in seen {
|
|
continue
|
|
} else if info.is_multi_allowed {
|
|
seen << val
|
|
}
|
|
g.auto_str_funcs.writeln('\t\tcase ${s}_$val: return tos_lit("$val");')
|
|
}
|
|
g.auto_str_funcs.writeln('\t\tdefault: return tos_lit("unknown enum value");')
|
|
g.auto_str_funcs.writeln('\t}')
|
|
g.auto_str_funcs.writeln('}')
|
|
}
|
|
|
|
fn (mut g Gen) gen_str_for_sum_type(info table.SumType, styp string, str_fn_name string) {
|
|
mut gen_fn_names := map[string]string{}
|
|
for typ in info.variants {
|
|
sym := g.table.get_type_symbol(typ)
|
|
if !sym.has_method('str') {
|
|
field_styp := g.typ(typ)
|
|
field_fn_name := g.gen_str_for_type_with_styp(typ, field_styp)
|
|
gen_fn_names[field_styp] = field_fn_name
|
|
}
|
|
}
|
|
// _str() functions should have a single argument, the indenting ones take 2:
|
|
g.type_definitions.writeln('string ${str_fn_name}($styp x); // auto')
|
|
g.auto_str_funcs.writeln('string ${str_fn_name}($styp x) { return indent_${str_fn_name}(x, 0); }')
|
|
g.type_definitions.writeln('string indent_${str_fn_name}($styp x, int indent_count); // auto')
|
|
g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp x, int indent_count) {')
|
|
mut clean_sum_type_v_type_name := styp.replace('__', '.')
|
|
if styp.ends_with('*') {
|
|
clean_sum_type_v_type_name = '&' + clean_sum_type_v_type_name.replace('*', '')
|
|
}
|
|
clean_sum_type_v_type_name = util.strip_main_name(clean_sum_type_v_type_name)
|
|
g.auto_str_funcs.writeln('\tswitch(x.typ) {')
|
|
for typ in info.variants {
|
|
mut value_fmt := '%.*s\\000'
|
|
if typ == table.string_type {
|
|
value_fmt = "\'$value_fmt\'"
|
|
}
|
|
typ_str := g.typ(typ)
|
|
mut func_name := if typ_str in gen_fn_names { gen_fn_names[typ_str] } else { g.gen_str_for_type_with_styp(typ,
|
|
typ_str) }
|
|
sym := g.table.get_type_symbol(typ)
|
|
if sym.kind == .struct_ {
|
|
func_name = 'indent_$func_name'
|
|
}
|
|
g.auto_str_funcs.write('\t\tcase $typ: return _STR("${clean_sum_type_v_type_name}($value_fmt)", 2, ${func_name}(*($typ_str*)x._object')
|
|
if sym.kind == .struct_ {
|
|
g.auto_str_funcs.write(', indent_count')
|
|
}
|
|
g.auto_str_funcs.writeln('));')
|
|
}
|
|
g.auto_str_funcs.writeln('\t\tdefault: return tos_lit("unknown sum type value");')
|
|
g.auto_str_funcs.writeln('\t}')
|
|
g.auto_str_funcs.writeln('}')
|
|
}
|