8000 gh-105017: Include CRLF lines in strings and column numbers by mgmacias95 · Pull Request #105030 · python/cpython · GitHub
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gh-105017: Include CRLF lines in strings and column numbers #105030

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Merged
merged 10 commits into from
May 28, 2023
Merged

gh-105017: Include CRLF lines in strings and column numbers #105030

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ad130da
fix(tokenizer): Include CRLF lines in strings and column numbers
mgmacias95 May 27, 2023
6688c36
Merge branch 'main' into crlf_strings
mgmacias95 May 27, 2023
e5293bc
📜🤖 Added by blurb_it.
blurb-it[bot] May 27, 2023
37f77ad
Only preserve crlf in the Python-tokenize extension
pablogsal May 27, 2023
68e7b36
Handle \r\n in continuation lines
pablogsal May 28, 2023
969060f
fixup! Handle \r\n in continuation lines
pablogsal May 28, 2023
559487c
fixup! fixup! Handle \r\n in continuation lines
pablogsal May 28, 2023
363de28
fixup! fixup! fixup! Handle \r\n in continuation lines
pablogsal May 28, 2023
67b3a9c
Update Lib/test/test_tokenize.py
mgmacias95 May 28, 2023
d3d4ff5
Prevent leak
mgmacias95 May 28, 2023
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fix(tokenizer): Include CRLF lines in strings and column numbers
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@mgmacias95
mgmacias95 committed May 27, 2023
commit ad130da3f980daed1f1f8d8ca63cffc605749869
19 changes: 14 additions & 5 deletions Lib/test/test_tokenize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -85,11 +85,20 @@ def test_basic(self):
DEDENT '' (5, 0) (5, 0)
""")

self.check_tokenize("foo='bar'\r\n", """\
NAME 'foo' (1, 0) (1, 3)
OP '=' (1, 3) (1, 4)
STRING "'bar'" (1, 4) (1, 9)
NEWLINE '\\n' (1, 9) (1, 10)
self.check_tokenize("if True:\r\n # NL\r\n foo='bar'\r\n\r\n", """\
NAME 'if' (1, 0) (1, 2)
NAME 'True' (1, 3) (1, 7)
OP ':' (1, 7) (1, 8)
NEWLINE '\\r\\n' (1, 8) (1, 10)
COMMENT '# NL' (2, 4) (2, 8)
NL '\\r\\n' (2, 8) (2, 10)
INDENT ' ' (3, 0) (3, 4)
NAME 'foo' (3, 4) (3, 7)
OP '=' (3, 7) (3, 8)
STRING "\'bar\'" (3, 8) (3, 13)
NEWLINE '\\r\\n' (3, 13) (3, 15)
NL '\\r\\n' (4, 0) (4, 2)
DEDENT '' (5, 0) (5, 0)
""")

indent_error_file = b"""\
Expand Down
23 changes: 8 additions & 15 deletions Parser/tokenizer.c
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Expand Up @@ -773,7 +773,6 @@ translate_into_utf8(const char* str, const char* enc) {

static char *
translate_newlines(const char *s, int exec_input, struct tok_state *tok) {
int skip_next_lf = 0;
size_t needed_length = strlen(s) + 2, final_length;
char *buf, *current;
char c = '\0';
Expand All @@ -784,18 +783,8 @@ translate_newlines(const char *s, int exec_input, struct tok_state *tok) {
}
for (current = buf; *s; s++, current++) {
c = *s;
if (skip_next_lf) {
skip_next_lf = 0;
if (c == '\n') {
c = *++s;
if (!c)
break;
}
}
if (c == '\r') {
skip_next_lf = 1;
c = '\n';
}
if (!c)
break;
*current = c;
}
/* If this is exec input, add a newline to the end of the string if
Expand Down Expand Up @@ -1693,7 +1682,7 @@ tok_get_normal_mode(struct tok_state *tok, tokenizer_mode* current_tok, struct t
}
}
tok_backup(tok, c);
if (c == '#' || c == '\n') {
if (c == '#' || c == '\n' || c == '\r') {
/* Lines with only whitespace and/or comments
shouldn't affect the indentation and are
not passed to the parser as NEWLINE tokens,
Expand Down Expand Up @@ -1822,7 +1811,7 @@ tok_get_normal_mode(struct tok_state *tok, tokenizer_mode* current_tok, struct t
const char *prefix, *type_start;
int current_starting_col_offset;

while (c != EOF && c != '\n') {
while (c != EOF && c != '\n' && c != '\r') {
c = tok_nextc(tok);
}

Expand Down Expand Up @@ -2002,6 +1991,10 @@ tok_get_normal_mode(struct tok_state *tok, tokenizer_mode* current_tok, struct t
return MAKE_TOKEN(NAME);
}

if (c == '\r') {
c = tok_nextc(tok);
}

/* Newline */
if (c == '\n') {
tok->atbol = 1;
Expand Down
6 changes: 5 additions & 1 deletion Python/Python-tokenize.c
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Expand Up @@ -240,7 +240,11 @@ tokenizeriter_next(tokenizeriterobject *it)
type = NAME;
}
else if (type == NEWLINE) {
str = PyUnicode_FromString("\n");
if (it->tok->start[0] == '\r') {
str = PyUnicode_FromString("\r\n");
} else {
str = PyUnicode_FromString("\n");
}
end_col_offset++;
}
}
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0