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scanner: fix string interpolation with nested string interpolation in inner quotes 2 (#19094)

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yuyi 2023-08-09 20:05:17 +08:00 committed by GitHub
parent eef9b5f168
commit 3211a653c3
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2 changed files with 24 additions and 5 deletions
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23
vlib/v/scanner/scanner.v
View File

@ -38,6 +38,7 @@ pub mut:
is_inter_start bool // for hacky string interpolation TODO simplify
is_inter_end bool
is_enclosed_inter bool
is_nested_enclosed_inter bool
line_comment string
last_lt int = -1 // position of latest <
is_started bool
@ -818,7 +819,7 @@ fn (mut s Scanner) text_scan() token.Token {
return s.new_token(.lcbr, '', 1)
}
`$` {
if s.is_inside_string {
if s.is_inside_string || s.is_enclosed_inter {
return s.new_token(.str_dollar, '', 1)
} else {
return s.new_token(.dollar, '', 1)
@ -827,7 +828,7 @@ fn (mut s Scanner) text_scan() token.Token {
`}` {
// s = `hello $name !`
// s = `hello ${name} !`
if s.is_enclosed_inter && s.inter_cbr_count == 0 {
if (s.is_enclosed_inter || s.is_nested_enclosed_inter) && s.inter_cbr_count == 0 {
if s.pos < s.text.len - 1 {
s.pos++
} else {
@ -835,10 +836,18 @@ fn (mut s Scanner) text_scan() token.Token {
}
if s.text[s.pos] == s.quote {
s.is_inside_string = false
s.is_enclosed_inter = false
if s.is_nested_enclosed_inter {
s.is_nested_enclosed_inter = false
} else {
s.is_enclosed_inter = false
}
return s.new_token(.string, '', 1)
}
s.is_enclosed_inter = false
if s.is_nested_enclosed_inter {
s.is_nested_enclosed_inter = false
} else {
s.is_enclosed_inter = false
}
s.just_closed_inter = true
ident_string := s.ident_string()
return s.new_token(.string, ident_string, ident_string.len + 2) // + two quotes
@ -1229,7 +1238,11 @@ fn (mut s Scanner) ident_string() string {
if prevc == `$` && c == `{` && !is_raw
&& s.count_symbol_before(s.pos - 2, scanner.backslash) % 2 == 0 {
s.is_inside_string = true
s.is_enclosed_inter = true
if s.is_enclosed_inter {
s.is_nested_enclosed_inter = true
} else {
s.is_enclosed_inter = true
}
// so that s.pos points to $ at the next step
s.pos -= 2
break

6
vlib/v/tests/string_interpolation_with_inner_quotes_test.v
View File

@ -28,5 +28,11 @@ fn test_string_interp_with_inner_quotes() {
println("abc ${f(123, '$x $x')} xyz")
assert "abc ${f(123, '$x $x')} xyz" == 'abc label hi hi: 123 xyz'
println("abc ${f(123, "${x} ${x}")} xyz")
assert "abc ${f(123, "${x} ${x}")} xyz" == 'abc label hi hi: 123 xyz'
println('abc ${f(123, '${x} ${x}')} xyz')
assert 'abc ${f(123, '${x} ${x}')} xyz' == 'abc label hi hi: 123 xyz'
}
// vfmt on