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gen: add prefix when printing type aliases (#6701)

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This commit is contained in:
Daniel Däschle
2020-11-03 14:13:35 +01:00
committed by GitHub
parent 18f5ed671d
commit 9d5be12517
7 changed files with 224 additions and 114 deletions
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100
vlib/v/gen/auto_str_methods.v
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@@ -10,9 +10,11 @@ import v.util
fn (mut g Gen) gen_str_for_type_with_styp(typ table.Type, styp string) string {
mut sym := g.table.get_type_symbol(g.unwrap_generic(typ))
mut str_fn_name := styp_to_str_fn_name(styp)
if sym.info is table.Alias {
sym = g.table.get_type_symbol((sym.info as table.Alias).parent_type)
str_fn_name = styp_to_str_fn_name(sym.name.replace('.', '__'))
if sym.info is table.Alias as sym_info {
if sym_info.is_import {
sym = g.table.get_type_symbol((sym.info as table.Alias).parent_type)
str_fn_name = styp_to_str_fn_name(sym.name.replace('.', '__'))
}
}
sym_has_str_method, str_method_expects_ptr, str_nr_args := sym.str_method_info()
// generate for type
@@ -45,16 +47,38 @@ fn (mut g Gen) gen_str_for_type_with_styp(typ table.Type, styp string) string {
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}')
}
g.str_types << already_generated_key
match sym.info {
table.Alias { g.gen_str_default(sym, styp, str_fn_name) }
table.Array { g.gen_str_for_array(it, styp, str_fn_name) }
table.ArrayFixed { g.gen_str_for_array_fixed(it, styp, str_fn_name) }
table.Enum { g.gen_str_for_enum(it, styp, str_fn_name) }
table.Struct { g.gen_str_for_struct(it, styp, str_fn_name) }
table.Map { g.gen_str_for_map(it, styp, str_fn_name) }
table.MultiReturn { g.gen_str_for_multi_return(it, styp, str_fn_name) }
table.SumType { g.gen_str_for_sum_type(it, styp, str_fn_name) }
else { verror("could not generate string method $str_fn_name for type \'$styp\'") }
match sym.info as sym_info {
table.Alias {
if sym_info.is_import {
g.gen_str_default(sym, styp, str_fn_name)
} else {
g.gen_str_for_alias(sym_info, styp, str_fn_name)
}
}
table.Array {
g.gen_str_for_array(it, styp, str_fn_name)
}
table.ArrayFixed {
g.gen_str_for_array_fixed(it, styp, str_fn_name)
}
table.Enum {
g.gen_str_for_enum(it, styp, str_fn_name)
}
table.Struct {
g.gen_str_for_struct(it, styp, str_fn_name)
}
table.Map {
g.gen_str_for_map(it, styp, str_fn_name)
}
table.MultiReturn {
g.gen_str_for_multi_return(it, styp, str_fn_name)
}
table.SumType {
g.gen_str_for_sum_type(it, styp, str_fn_name)
}
else {
verror("could not generate string method $str_fn_name for type \'$styp\'")
}
}
}
// if varg, generate str for varg
@@ -69,10 +93,36 @@ fn (mut g Gen) gen_str_for_type_with_styp(typ table.Type, styp string) string {
return str_fn_name
}
fn (mut g Gen) gen_str_for_alias(info table.Alias, styp string, str_fn_name string) {
sym := g.table.get_type_symbol(info.parent_type)
sym_has_str_method, _, _ := sym.str_method_info()
mut parent_str_fn_name := styp_to_str_fn_name(sym.name.replace('.', '__'))
if !sym_has_str_method {
parent_styp := g.typ(info.parent_type)
parent_str_fn_name = g.gen_str_for_type_with_styp(info.parent_type, parent_styp)
}
mut clean_type_v_type_name := util.strip_main_name(styp.replace('__', '.'))
g.type_definitions.writeln('string ${str_fn_name}($styp it); // auto')
g.auto_str_funcs.writeln('string ${str_fn_name}($styp it) { return indent_${str_fn_name}(it, 0); }')
g.type_definitions.writeln('string indent_${str_fn_name}($styp it, int indent_count); // auto')
g.auto_str_funcs.writeln('string indent_${str_fn_name}($styp it, int indent_count) {')
g.auto_str_funcs.writeln('\tstring indents = tos_lit("");')
g.auto_str_funcs.writeln('\tfor (int i = 0; i < indent_count; ++i) {')
g.auto_str_funcs.writeln('\t\tindents = string_add(indents, tos_lit(" "));')
g.auto_str_funcs.writeln('\t}')
g.auto_str_funcs.writeln('\treturn _STR("%.*s\\000${clean_type_v_type_name}(%.*s\\000)", 3, indents, ${parent_str_fn_name}(it));')
g.auto_str_funcs.writeln('}')
}
fn (mut g Gen) gen_str_for_array(info table.Array, styp string, str_fn_name string) {
sym := g.table.get_type_symbol(info.elem_type)
field_styp := g.typ(info.elem_type)
is_elem_ptr := info.elem_type.is_ptr()
mut typ := info.elem_type
mut sym := g.table.get_type_symbol(info.elem_type)
if sym.info is table.Alias as alias_info {
typ = alias_info.parent_type
sym = g.table.get_type_symbol(alias_info.parent_type)
}
field_styp := g.typ(typ)
is_elem_ptr := typ.is_ptr()
sym_has_str_method, str_method_expects_ptr, _ := sym.str_method_info()
mut elem_str_fn_name := ''
if sym_has_str_method {
@@ -85,8 +135,7 @@ fn (mut g Gen) gen_str_for_array(info table.Array, styp string, str_fn_name stri
elem_str_fn_name = styp_to_str_fn_name(field_styp)
}
if !sym_has_str_method {
// eprintln('> sym.name: does not have method `str`')
g.gen_str_for_type_with_styp(info.elem_type, field_styp)
g.gen_str_for_type_with_styp(typ, field_styp)
}
g.type_definitions.writeln('string ${str_fn_name}($styp a); // auto')
g.auto_str_funcs.writeln('string ${str_fn_name}($styp a) { return indent_${str_fn_name}(a, 0);}')
@@ -117,7 +166,7 @@ fn (mut g Gen) gen_str_for_array(info table.Array, styp string, str_fn_name stri
}
}
g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, x);')
if g.pref.autofree && info.elem_type != table.bool_type {
if g.pref.autofree && typ != table.bool_type {
// no need to free "true"/"false" literals
g.auto_str_funcs.writeln('\t\tstring_free(&x);')
}
@@ -134,9 +183,14 @@ fn (mut g Gen) gen_str_for_array(info table.Array, styp string, str_fn_name stri
}
fn (mut g Gen) gen_str_for_array_fixed(info table.ArrayFixed, styp string, str_fn_name string) {
sym := g.table.get_type_symbol(info.elem_type)
field_styp := g.typ(info.elem_type)
is_elem_ptr := info.elem_type.is_ptr()
mut typ := info.elem_type
mut sym := g.table.get_type_symbol(info.elem_type)
if sym.info is table.Alias as alias_info {
typ = alias_info.parent_type
sym = g.table.get_type_symbol(alias_info.parent_type)
}
field_styp := g.typ(typ)
is_elem_ptr := typ.is_ptr()
sym_has_str_method, str_method_expects_ptr, _ := sym.str_method_info()
mut elem_str_fn_name := ''
if sym_has_str_method {
@@ -146,7 +200,7 @@ fn (mut g Gen) gen_str_for_array_fixed(info table.ArrayFixed, styp string, str_f
elem_str_fn_name = styp_to_str_fn_name(field_styp)
}
if !sym.has_method('str') {
g.gen_str_for_type_with_styp(info.elem_type, field_styp)
elem_str_fn_name = g.gen_str_for_type_with_styp(typ, field_styp)
}
g.type_definitions.writeln('string ${str_fn_name}($styp a); // auto')
g.auto_str_funcs.writeln('string ${str_fn_name}($styp a) { return indent_${str_fn_name}(a, 0);}')