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Ignore comments for backslash newline

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Works also if tok->show_comments (for highlighting and auto completion) and
with multi-line comments:

function my_function
    echo "hello" | \
    #remove 'l'
    #and more
    tr -d 'l'
end

$ my_function
heo

Fixes #983
This commit is contained in:
Sanne Wouda 2015-03-13 13:05:22 +01:00 committed by ridiculousfish
parent cad1dc5293
commit 318daaffb2
2 changed files with 17 additions and 3 deletions
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17
tokenizer.cpp
View file

@ -94,7 +94,7 @@ int tok_get_error(tokenizer_t *tok)
}
tokenizer_t::tokenizer_t(const wchar_t *b, tok_flags_t flags) : buff(NULL), orig_buff(NULL), last_type(TOK_NONE), last_pos(0), has_next(false), accept_unfinished(false), show_comments(false), last_quote(0), error(0), squash_errors(false), cached_lineno_offset(0), cached_lineno_count(0)
tokenizer_t::tokenizer_t(const wchar_t *b, tok_flags_t flags) : buff(NULL), orig_buff(NULL), last_type(TOK_NONE), last_pos(0), has_next(false), accept_unfinished(false), show_comments(false), last_quote(0), error(0), squash_errors(false), cached_lineno_offset(0), cached_lineno_count(0), continue_line_after_comment(false)
{
CHECK(b,);
@ -587,6 +587,7 @@ void tok_next(tokenizer_t *tok)
if (tok->buff[0] == L'\\' && tok->buff[1] == L'\n')
{
tok->buff += 2;
tok->continue_line_after_comment = true;
}
else if (my_iswspace(tok->buff[0]))
{
@ -599,24 +600,34 @@ void tok_next(tokenizer_t *tok)
}
if (*tok->buff == L'#')
while (*tok->buff == L'#')
{
if (tok->show_comments)
{
tok->last_pos = tok->buff - tok->orig_buff;
read_comment(tok);
if (tok->buff[0] == L'\n' && tok->continue_line_after_comment)
tok->buff++;
return;
}
else
{
while (*(tok->buff)!= L'\n' && *(tok->buff)!= L'\0')
tok->buff++;
if (tok->buff[0] == L'\n' && tok->continue_line_after_comment)
tok->buff++;
}
while (my_iswspace(*(tok->buff)))
while (my_iswspace(*(tok->buff))) {
tok->buff++;
}
}
tok->continue_line_after_comment = false;
tok->last_pos = tok->buff - tok->orig_buff;
switch (*tok->buff)

3
tokenizer.h
View file

@ -103,6 +103,9 @@ struct tokenizer_t
size_t cached_lineno_offset;
int cached_lineno_count;
/* Whether to continue the previous line after the comment */
bool continue_line_after_comment;
/**
Constructor for a tokenizer. b is the string that is to be
tokenized. It is not copied, and should not be freed by the caller