cgen: uniform string output format

vlib/builtin/array.v

@@ -317,9 +317,9 @@ pub fn (a []string) str() string {
 	sb.write('[')
 	for i in 0..a.len {
 		val := a[i]
-		sb.write('"')
+		sb.write("\'")
 		sb.write(val)
-		sb.write('"')
+		sb.write("\'")
 		if i < a.len - 1 {
 			sb.write(', ')
 		}

vlib/builtin/array_test.v

@@ -168,7 +168,7 @@ fn test_insert() {
 // }
 fn test_strings() {
 	a := ['a', 'b', 'c']
-	assert a.str() == '["a", "b", "c"]'
+	assert a.str() == "['a', 'b', 'c']"
 }
 
 /*

vlib/v/gen/cgen.v

@@ -3162,7 +3162,7 @@ fn (mut g Gen) gen_str_for_array(info table.Array, styp, str_fn_name string) {
 	} else {
 		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${field_styp}_str(it));')
 	}
-	g.auto_str_funcs.writeln('\t\tif (i != a.len-1) {')
+	g.auto_str_funcs.writeln('\t\tif (i < a.len-1) {')
 	g.auto_str_funcs.writeln('\t\t\tstrings__Builder_write(&sb, tos3(", "));')
 	g.auto_str_funcs.writeln('\t\t}')
 	g.auto_str_funcs.writeln('\t}')
@@ -3187,11 +3187,11 @@ fn (mut g Gen) gen_str_for_array_fixed(info table.ArrayFixed, styp, str_fn_name
 	} else if sym.kind in [.f32, .f64] {
 		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("%g", a[i]));')
 	} else if sym.kind == .string {
-		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\\"%.*s\\"", a[i].len, a[i].str));')
+		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\'%.*s\'", a[i].len, a[i].str));')
 	} else {
 		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${field_styp}_str(a[i]));')
 	}
-	g.auto_str_funcs.writeln('\t\tif (i != $info.size-1) {')
+	g.auto_str_funcs.writeln('\t\tif (i < ${info.size-1}) {')
 	g.auto_str_funcs.writeln('\t\t\tstrings__Builder_write(&sb, tos3(", "));')
 	g.auto_str_funcs.writeln('\t\t}')
 	g.auto_str_funcs.writeln('\t}')
@@ -3218,14 +3218,14 @@ fn (mut g Gen) gen_str_for_map(info table.Map, styp, str_fn_name string) {
 	g.auto_str_funcs.writeln('\tstrings__Builder_write(&sb, tos3("{"));')
 	g.auto_str_funcs.writeln('\tfor (unsigned int i = 0; i < m.key_values.size; i++) {')
 	g.auto_str_funcs.writeln('\t\tstring key = (*(string*)DenseArray_get(m.key_values, i));')
-	g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\\"%.*s\\"", key.len, key.str));')
+	g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\'%.*s\'", key.len, key.str));')
 	g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, tos3(": "));')
 	g.auto_str_funcs.write('\t$val_styp it = (*($val_styp*)map_get3(')
 	g.auto_str_funcs.write('m, (*(string*)DenseArray_get(m.key_values, i))')
 	g.auto_str_funcs.write(', ')
 	g.auto_str_funcs.writeln(' &($val_styp[]) { $zero }));')
 	if val_sym.kind == .string {
-		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\\"%.*s\\"", it.len, it.str));')
+		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, _STR("\'%.*s\'", it.len, it.str));')
 	} else if val_sym.kind == .struct_ && !val_sym.has_method('str') {
 		g.auto_str_funcs.writeln('\t\tstrings__Builder_write(&sb, ${val_styp}_str(it,0));')
 	} else if val_sym.kind in [.f32, .f64] {

vlib/v/tests/array_to_string_test.v

@@ -1,6 +1,6 @@
 fn test_array_to_string_conversion() {
 	a := ['1', '2', '3', '4']
-	assert a.str() == '["1", "2", "3", "4"]'
+	assert a.str() == "['1', '2', '3', '4']"
 
 	b := [1, 2, 3, 4]
 	assert b.str() == '[1, 2, 3, 4]'
@@ -17,7 +17,7 @@ fn test_array_to_string_conversion() {
 
 fn test_interpolation_array_to_string() {
 	a := ['1', '2', '3']
-	assert '$a' == '["1", "2", "3"]'
+	assert '$a' == "['1', '2', '3']"
 
 	b := [1, 2, 3, 4]
 	assert '$b' == '[1, 2, 3, 4]'

vlib/v/tests/fixed_array_init_test.v

@@ -1,11 +1,11 @@
 fn test_fixed_array_init() {
 	a1 := ['1', '2', '3']!!
 	assert typeof(a1) == '[3]string'
-	assert '$a1' == '["1", "2", "3"]'
+	assert '$a1' == "['1', '2', '3']"
 
 	a2 := ['a', 'b']!!
 	assert typeof(a2) == '[2]string'
-	assert '$a2' == '["a", "b"]'
+	assert '$a2' == "['a', 'b']"
 
 	c1 := [1, 2, 3]!!
 	assert typeof(c1) == '[3]int'

vlib/v/tests/fixed_array_to_string_test.v

@@ -3,12 +3,12 @@ fn test_fixed_array_to_string() {
 	a1[0] = '1'
 	a1[1] = '2'
 	a1[2] = '3'
-	assert '$a1' == '["1", "2", "3"]'
+	assert '$a1' == "['1', '2', '3']"
 
 	mut a2 := [2]string
 	a2[0] = 'a'
 	a2[1] = 'b'
-	assert '$a2' == '["a", "b"]'
+	assert '$a2' == "['a', 'b']"
 
 	mut c1 := [3]int
 	c1[0] = 1

vlib/v/tests/map_to_string_test.v

@@ -9,30 +9,30 @@ fn test_interpolation_map_to_string() {
 	a['1'] = 'one'
 	a['2'] = 'two'
 	a['3'] = 'three'
-	assert '$a' == '{"1": "one", "2": "two", "3": "three"}'
+	assert '$a' == "{'1': 'one', '2': 'two', '3': 'three'}"
 
 	mut b := map[string]int
 	b['1'] = 1
 	b['2'] = 2
 	b['3'] = 3
-	assert '$b' == '{"1": 1, "2": 2, "3": 3}'
+	assert '$b' == "{'1': 1, '2': 2, '3': 3}"
 
 	mut c := map[string]bool
 	c['1'] = true
 	c['2'] = false
-	assert '$c' == '{"1": true, "2": false}'
+	assert '$c' == "{'1': true, '2': false}"
 
 	d := {'f1': 1.1, 'f2': 2.2, 'f3': 3.3, 'f4': 4.4}
-	assert '$d' == '{"f1": 1.1, "f2": 2.2, "f3": 3.3, "f4": 4.4}'
+	assert '$d' == "{'f1': 1.1, 'f2': 2.2, 'f3': 3.3, 'f4': 4.4}"
 
 	mut e := map[string]Test
 	e['1'] = Test{true, 0, 'abc'}
 	e['2'] = Test{true, 1, 'def'}
 	e['3'] = Test{false, 2, 'ghi'}
 	s := '$e'
-	assert s.contains('{"1": Test {')
+	assert s.contains("{'1': Test {")
 	assert s.contains('a: true')
 	assert s.contains("y: 'abc'")
-	assert s.contains('}, "2": Test {')
+	assert s.contains("}, '2': Test {")
 	assert s.contains("y: 'def'")
 }

vlib/v/tests/str_gen_test.v

@@ -50,6 +50,6 @@ fn test_array_of_bytes() {
 
 fn test_array_of_strings() {
 	aa := ['aa', 'bb', 'cc']
-	assert aa.str() == '["aa", "bb", "cc"]'
+	assert aa.str() == "['aa', 'bb', 'cc']"
-	assert '$aa' == '["aa", "bb", "cc"]'
+	assert '$aa' == "['aa', 'bb', 'cc']"
 }

vlib/v/tests/string_interpolation_array_test.v

@@ -23,11 +23,11 @@ fn test_array_of_structs_interpolation() {
 	assert s.contains('Man {')
 	assert s.contains("name: 'Superman'")
 	assert s.contains('age: 30')
-	assert s.contains('"being nice"')
+	assert s.contains("'being nice'")
 	assert s.contains('}, Man {')
 	assert s.contains("name: 'Bilbo Baggins'")
 	assert s.contains('age: 111')
-	assert s.contains('interests: ["exploring", "hiding"]')
+	assert s.contains("interests: ['exploring', 'hiding']")
 	assert s.contains('}]')
 	// println(s)
 }
@@ -74,5 +74,5 @@ fn test_array_of_bytes_interpolation() {
 
 fn test_array_of_strings_interpolation() {
 	aa := ['aa', 'bb', 'cc']
-	assert '$aa' == '["aa", "bb", "cc"]'
+	assert '$aa' == "['aa', 'bb', 'cc']"
 }

vlib/v/tests/string_interpolation_struct_test.v

@@ -11,10 +11,10 @@ fn test_default_struct_string_interpolation() {
 	superman := Man{'Superman', 30, ['flying', 'fighting evil', 'being nice']}
 	s := '$superman'
 	assert s.contains('Man {')
-	assert s.contains('name: \'Superman\'')
+	assert s.contains("name: 'Superman'")
 	assert s.contains('age: 30')
 	assert s.contains('interests: [')
-	assert s.contains('"being nice"')
+	assert s.contains("'being nice'")
 	assert s.contains('}')
 	// println(s)
 }

vlib/v/tests/string_interpolation_variadic_test.v

@@ -22,7 +22,7 @@ fn test_vargs_string_interpolation() {
 	assert results.contains('age: 30')
 	assert results.contains('}, Man {')
 	//
-	assert results.contains('interests: ["programming"')
+	assert results.contains("interests: ['programming'")
 	assert results.contains("name: 'Me'")
 	//
 	assert results.contains('}]')