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gen.golang: array append & basic strings
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5b97ad15ad
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@ -1579,18 +1579,18 @@ pub fn (mut f Gen) enum_val(node ast.EnumVal) {
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}
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}
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pub fn (mut f Gen) ident(node ast.Ident) {
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pub fn (mut f Gen) ident(node ast.Ident) {
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if node.info is ast.IdentVar {
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// if node.info is ast.IdentVar {
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if node.info.is_mut {
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// if node.info.is_mut {
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f.write(node.info.share.str() + ' ')
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// f.write(node.info.share.str() + ' ')
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}
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// }
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var_info := node.var_info()
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// var_info := node.var_info()
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if var_info.is_static {
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// if var_info.is_static {
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f.write('static ')
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// f.write('static ')
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}
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// }
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if var_info.is_volatile {
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// if var_info.is_volatile {
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f.write('volatile ')
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// f.write('volatile ')
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}
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// }
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}
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// }
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f.write_language_prefix(node.language)
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f.write_language_prefix(node.language)
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if node.name == 'it' && f.it_name != '' && f.in_lambda_depth == 0 { // allow `it` in lambdas
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if node.name == 'it' && f.it_name != '' && f.in_lambda_depth == 0 { // allow `it` in lambdas
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f.write(f.it_name)
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f.write(f.it_name)
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@ -1708,18 +1708,32 @@ pub fn (mut f Gen) infix_expr(node ast.InfixExpr) {
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// start_pos := f.out.len
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// start_pos := f.out.len
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// start_len := f.line_len
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// start_len := f.line_len
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f.expr(node.left)
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f.expr(node.left)
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left_type_sym := f.table.final_sym(node.left_type)
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is_array_push := left_type_sym.kind == .array && node.op == .left_shift
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is_one_val_array_init := node.op in [.key_in, .not_in] && node.right is ast.ArrayInit
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is_one_val_array_init := node.op in [.key_in, .not_in] && node.right is ast.ArrayInit
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&& (node.right as ast.ArrayInit).exprs.len == 1
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&& (node.right as ast.ArrayInit).exprs.len == 1
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if is_one_val_array_init {
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if is_one_val_array_init {
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// `var in [val]` => `var == val`
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// `var in [val]` => `var == val`
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op := if node.op == .key_in { ' == ' } else { ' != ' }
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op := if node.op == .key_in { ' == ' } else { ' != ' }
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f.write(op)
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f.write(op)
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} else if is_array_push {
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f.write(' = ')
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} else {
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} else {
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f.write(' $node.op.str() ')
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f.write(' $node.op.str() ')
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}
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}
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if is_one_val_array_init {
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if is_one_val_array_init {
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// `var in [val]` => `var == val`
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// `var in [val]` => `var == val`
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f.expr((node.right as ast.ArrayInit).exprs[0])
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f.expr((node.right as ast.ArrayInit).exprs[0])
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} else if is_array_push {
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f.write('append(')
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f.expr(node.left)
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f.write(', ')
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f.expr(node.right)
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right_type_sym := f.table.final_sym(node.right_type)
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if right_type_sym.kind == .array {
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f.write('...')
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}
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f.write(')')
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} else {
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} else {
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f.expr(node.right)
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f.expr(node.right)
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}
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}
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@ -2191,18 +2205,8 @@ pub fn (mut f Gen) char_literal(node ast.CharLiteral) {
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}
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}
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pub fn (mut f Gen) string_literal(node ast.StringLiteral) {
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pub fn (mut f Gen) string_literal(node ast.StringLiteral) {
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use_double_quote := true
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if node.is_raw {
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if node.is_raw {
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f.write('r')
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f.write('`$node.val`')
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} else if node.language == ast.Language.c {
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f.write('c')
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}
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if node.is_raw {
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if use_double_quote {
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f.write('"$node.val"')
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} else {
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f.write("'$node.val'")
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}
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} else {
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} else {
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unescaped_val := node.val.replace('$golang.bs$golang.bs', '\x01').replace_each([
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unescaped_val := node.val.replace('$golang.bs$golang.bs', '\x01').replace_each([
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"$golang.bs'",
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"$golang.bs'",
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@ -2210,40 +2214,19 @@ pub fn (mut f Gen) string_literal(node ast.StringLiteral) {
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'$golang.bs"',
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'$golang.bs"',
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'"',
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'"',
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])
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])
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if use_double_quote {
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s := unescaped_val.replace_each(['\x01', '$golang.bs$golang.bs', '"', '$golang.bs"'])
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s := unescaped_val.replace_each(['\x01', '$golang.bs$golang.bs', '"', '$golang.bs"'])
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f.write('"$s"')
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f.write('"$s"')
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} else {
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s := unescaped_val.replace_each(['\x01', '$golang.bs$golang.bs', "'", "$golang.bs'"])
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f.write("'$s'")
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}
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}
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}
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}
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}
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pub fn (mut f Gen) string_inter_literal(node ast.StringInterLiteral) {
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pub fn (mut f Gen) string_inter_literal(node ast.StringInterLiteral) {
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mut quote := "'"
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mut quote := '"'
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for val in node.vals {
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if val.contains('\\"') {
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quote = '"'
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break
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}
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if val.contains("\\'") {
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quote = "'"
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break
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}
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if val.contains('"') {
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quote = "'"
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}
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if val.contains("'") {
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quote = '"'
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}
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}
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// TODO: this code is very similar to ast.Expr.str()
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// TODO: this code is very similar to ast.Expr.str()
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// serkonda7: it can not fully be replaced tho as ´f.expr()´ and `ast.Expr.str()`
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// serkonda7: it can not fully be replaced tho as ´f.expr()´ and `ast.Expr.str()`
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// work too different for the various exprs that are interpolated
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// work too different for the various exprs that are interpolated
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f.write(quote)
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f.write(quote)
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for i, val in node.vals {
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for i, val in node.vals {
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f.write(val)
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f.write(val.replace("$golang.bs'", "'"))
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if i >= node.exprs.len {
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if i >= node.exprs.len {
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break
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break
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}
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}
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21
vlib/v/gen/golang/tests/array.go.vv
Normal file
21
vlib/v/gen/golang/tests/array.go.vv
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@ -0,0 +1,21 @@
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module main
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#import "fmt"
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fn main() {
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mut array_int := [1,2]
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mut array_int_b := [6,7]
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mut array_string := ['one', 'two']
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mut array_string_b := ['six', 'seven']
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array_int << 3
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array_int << [4,5]
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array_int << array_int_b
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array_string << 'three'
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array_string << ['four', 'five']
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array_string << array_string_b
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#fmt.Printf("%v\n", array_int)
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#fmt.Printf("%v\n", array_string)
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}
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3
vlib/v/gen/golang/tests/array.go.vv.out
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3
vlib/v/gen/golang/tests/array.go.vv.out
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@ -0,0 +1,3 @@
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[1 2 3 4 5 6 7]
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[one two three four five six seven]
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@ -4,7 +4,7 @@ module main
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//fn println(x any){
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//fn println(x any){
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fn println(x string){
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fn println(x string){
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#fmt.Println(x)
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#fmt.Println(x)
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}
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}
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struct Foo {
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struct Foo {
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31
vlib/v/gen/golang/tests/string.go.vv
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31
vlib/v/gen/golang/tests/string.go.vv
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@ -0,0 +1,31 @@
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module main
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#import "fmt"
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fn println(x string){
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#fmt.Println(x)
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}
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fn main() {
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// basic literals
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basic_a := 'What\'s your name?'
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basic_b := "It's nice to meet you \"Bob\""
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println(basic_a)
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println(basic_b)
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// raw
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raw_a := r'I am a "raw" string'
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raw_b := r"I am also a 'raw' string"
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println(raw_a)
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println(raw_b)
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// TODO: interpolation
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// apple := 'apple'
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// bananna := 'bananna'
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// number_one := 1
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// number_two := 2
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// inter_a := 'I have $number_one ${apple}\'s and $number_two ${bananna}\'s'
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// inter_b := "I have \"$number_one ${apple}'s\" and \"$number_two ${bananna}'s\""
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// println(inter_a)
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// println(inter_b)
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}
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4
vlib/v/gen/golang/tests/string.go.vv.out
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4
vlib/v/gen/golang/tests/string.go.vv.out
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@ -0,0 +1,4 @@
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What's your name?
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It's nice to meet you "Bob"
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I am a "raw" string
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I am also a 'raw' string
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