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Allow strings to span multiple lines - newlines and any leading

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whitespace are removed, as well as any following comments that couldn't
be part of a format. This allows long formats or other strings to be
annotated and indented.
This commit is contained in:
nicm
2020-06-04 08:30:44 +00:00
parent b3782d2dc8
commit d3c5202f50
1 changed files with 23 additions and 18 deletions
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41
cmd-parse.y
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@@ -1494,24 +1494,33 @@ yylex_token(int ch)
buf = xmalloc(1);
for (;;) {
/*
* EOF or \n are always the end of the token. If inside quotes
* they are an error.
*/
if (ch == EOF || ch == '\n') {
if (state != NONE)
goto error;
/* EOF or \n are always the end of the token. */
if (ch == EOF || (state == NONE && ch == '\n'))
break;
}
/* Whitespace or ; ends a token unless inside quotes. */
/* Whitespace or ; or } ends a token unless inside quotes. */
if ((ch == ' ' || ch == '\t' || ch == ';' || ch == '}') &&
state == NONE)
break;
/*
* \ ~ and $ are expanded except in single quotes.
*/
/* Spaces and comments inside quotes after \n are removed. */
if (ch == '\n' && state != NONE) {
while ((ch = yylex_getc()) == ' ' || ch == '\t')
/* nothing */;
if (ch != '#')
continue;
ch = yylex_getc();
if (strchr(",#{}:", ch) != NULL) {
yylex_ungetc(ch);
ch = '#';
} else {
while ((ch = yylex_getc()) != '\n' && ch != EOF)
/* nothing */;
}
continue;
}
/* \ ~ and $ are expanded except in single quotes. */
if (ch == '\\' && state != SINGLE_QUOTES) {
if (!yylex_token_escape(&buf, &len))
goto error;
@@ -1530,9 +1539,7 @@ yylex_token(int ch)
if (ch == '}' && state == NONE)
goto error; /* unmatched (matched ones were handled) */
/*
* ' and " starts or end quotes (and is consumed).
*/
/* ' and " starts or end quotes (and is consumed). */
if (ch == '\'') {
if (state == NONE) {
state = SINGLE_QUOTES;
@@ -1554,9 +1561,7 @@ yylex_token(int ch)
}
}
/*
* Otherwise add the character to the buffer.
*/
/* Otherwise add the character to the buffer. */
yylex_append1(&buf, &len, ch);
skip: