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cgen: minor formatting of struct_init (#5768)

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yuyi 2020-07-09 23:25:48 +08:00 committed by GitHub
parent 3792e17885
commit 31ac20876c
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2 changed files with 31 additions and 8 deletions
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27
vlib/v/gen/cgen.v
View File

@ -2813,6 +2813,7 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
}
sym := g.table.get_type_symbol(struct_init.typ)
is_amp := g.is_amp
is_multiline := struct_init.fields.len > 5
g.is_amp = false // reset the flag immediately so that other struct inits in this expr are handled correctly
if is_amp {
g.out.go_back(1) // delete the `&` already generated in `prefix_expr()
@ -2826,6 +2827,8 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
} else {
if g.is_shared {
g.writeln('{.val = {')
} else if is_multiline {
g.writeln('($styp){')
} else {
g.write('($styp){')
}
@ -2842,6 +2845,7 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
fields = struct_init.fields
}
*/
if is_multiline { g.indent++ }
// User set fields
mut initialized := false
for i, field in struct_init.fields {
@ -2864,8 +2868,12 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
g.expr_with_cast(field.expr, field.typ, field.expected_type)
}
if i != struct_init.fields.len - 1 {
if is_multiline {
g.writeln(',')
} else {
g.write(', ')
}
}
initialized = true
}
}
@ -2879,7 +2887,7 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
}
// g.zero_struct_fields(info, inited_fields)
// nr_fields = info.fields.len
for i, field in info.fields {
for field in info.fields {
if field.name in inited_fields {
sfield := struct_init.fields[inited_fields[field.name]]
field_name := c_name(sfield.name)
@ -2898,9 +2906,12 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
}
g.expr_with_cast(sfield.expr, sfield.typ, sfield.expected_type)
}
if i != info.fields.len - 1 {
g.write(', ')
if is_multiline {
g.writeln(',')
} else {
g.write(',')
}
initialized = true
continue
}
@ -2913,9 +2924,16 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
continue
}
g.zero_struct_field(field)
if is_multiline {
g.writeln(',')
} else {
g.write(',')
}
initialized = true
}
}
if is_multiline { g.indent-- }
// if struct_init.fields.len == 0 && info.fields.len == 0 {
if !initialized {
g.write('\n#ifndef __cplusplus\n0\n#endif\n')
@ -2933,13 +2951,12 @@ fn (mut g Gen) struct_init(struct_init ast.StructInit) {
fn (mut g Gen) zero_struct_field(field table.Field) {
field_name := c_name(field.name)
g.write('\t.$field_name = ')
g.write('.$field_name = ')
if field.has_default_expr {
g.expr(ast.fe2ex(field.default_expr))
} else {
g.write(g.type_default(field.typ))
}
g.writeln(',')
}
// fn (mut g Gen) zero_struct_fields(info table.Struct, inited_fields map[string]int) {

10
vlib/v/gen/sql.v
View File

@ -183,8 +183,11 @@ fn (mut g Gen) sql_select_expr(node ast.SqlExpr) {
//
sym := g.table.get_type_symbol(array_info.elem_type)
info := sym.info as table.Struct
for field in info.fields {
for i, field in info.fields {
g.zero_struct_field(field)
if i != info.fields.len-1 {
g.write(', ')
}
}
g.writeln('};')
} else {
@ -195,8 +198,11 @@ fn (mut g Gen) sql_select_expr(node ast.SqlExpr) {
// by the db engine.
sym := g.table.get_type_symbol(node.typ)
info := sym.info as table.Struct
for field in info.fields {
for i, field in info.fields {
g.zero_struct_field(field)
if i != info.fields.len-1 {
g.write(', ')
}
}
g.writeln('};')
}