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Merge pull request #115 from z7zmey/feature-110

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[#105] fix counting newlines in strings
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Vadym Slizov 2020-07-26 19:15:21 +02:00 committed by GitHub
commit cbf185c8f4
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2 changed files with 5805 additions and 4508 deletions
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10255
scanner/scanner.go
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58
scanner/scanner.rl
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@ -47,13 +47,13 @@ func (lex *Lexer) Lex(lval Lval) int {
action heredoc_lbl_start {lblStart = lex.p}
action heredoc_lbl_end {lblEnd = lex.p}
action constant_string_new_line {
action new_line {
if lex.data[lex.p] == '\n' {
lex.NewLines.Append(lex.p)
lex.NewLines.Append(lex.p+1)
}
if lex.data[lex.p] == '\r' && lex.data[lex.p+1] != '\n' {
lex.NewLines.Append(lex.p)
lex.NewLines.Append(lex.p+1)
}
}
@ -63,7 +63,7 @@ func (lex *Lexer) Lex(lval Lval) int {
action is_not_string_end_or_var { lex.isNotStringEnd('"') && lex.isNotStringVar() }
action is_not_backqoute_end_or_var { lex.isNotStringEnd('`') && lex.isNotStringVar() }
newline = ('\r\n' >(nl, 1) | '\r' >(nl, 0) | '\n' >(nl, 0)) %{lex.NewLines.Append(lex.p);};
newline = ('\r\n' >(nl, 1) | '\r' >(nl, 0) | '\n' >(nl, 0)) $new_line %{};
any_line = any | newline;
whitespace = [\t\v\f ];
whitespace_line = [\t\v\f ] | newline;
@ -91,45 +91,45 @@ func (lex *Lexer) Lex(lval Lval) int {
# single qoute string
qoute: (
(any - [\\'\r\n]) -> qoute
| "\r" @constant_string_new_line -> qoute
| "\n" @constant_string_new_line -> qoute
| "\\" -> qoute_any
| "'" -> final
(any - [\\'\r\n]) -> qoute
| "\r" @new_line -> qoute
| "\n" @new_line -> qoute
| "\\" -> qoute_any
| "'" -> final
),
qoute_any: (
(any - [\r\n]) -> qoute
| "\r" @constant_string_new_line -> qoute
| "\n" @constant_string_new_line -> qoute
(any - [\r\n]) -> qoute
| "\r" @new_line -> qoute
| "\n" @new_line -> qoute
),
# double qoute string
double_qoute: (
(any - [\\"${\r\n]) -> double_qoute
| "\r" @constant_string_new_line -> double_qoute
| "\n" @constant_string_new_line -> double_qoute
| "\\" -> double_qoute_any
| '"' -> final
| '$' -> double_qoute_nonvarname
| '{' -> double_qoute_nondollar
(any - [\\"${\r\n]) -> double_qoute
| "\r" @new_line -> double_qoute
| "\n" @new_line -> double_qoute
| "\\" -> double_qoute_any
| '"' -> final
| '$' -> double_qoute_nonvarname
| '{' -> double_qoute_nondollar
),
double_qoute_any: (
(any - [\r\n]) -> double_qoute
| "\r" @constant_string_new_line -> double_qoute
| "\n" @constant_string_new_line -> double_qoute
(any - [\r\n]) -> double_qoute
| "\r" @new_line -> double_qoute
| "\n" @new_line -> double_qoute
),
double_qoute_nondollar: (
(any - [\\$"\r\n]) -> double_qoute
| "\r" @constant_string_new_line -> double_qoute
| "\n" @constant_string_new_line -> double_qoute
| "\\" -> double_qoute_any
| '"' -> final
(any - [\\$"\r\n]) -> double_qoute
| "\r" @new_line -> double_qoute
| "\n" @new_line -> double_qoute
| "\\" -> double_qoute_any
| '"' -> final
),
double_qoute_nonvarname: (
(any - [\\{"\r\n] - varname_first) -> double_qoute
| "\r" @constant_string_new_line -> double_qoute
| "\n" @constant_string_new_line -> double_qoute
| "\r" @new_line -> double_qoute
| "\n" @new_line -> double_qoute
| "\\" -> double_qoute_any
| '"' -> final
);