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patch 8.2.0567: Vim9: cannot put comments halfway expressions

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Problem:    Vim9: cannot put comments halfway expressions.
Solution:   Support # comments in many places.
This commit is contained in:
Bram Moolenaar
2020-04-13 14:41:35 +02:00
parent 1a2f4bf6c8
commit 2c330432cf
7 changed files with 93 additions and 27 deletions
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70
src/vim9compile.c
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@@ -2069,14 +2069,24 @@ next_line_from_context(cctx_T *cctx)
return line;
}
/*
* Return TRUE if "p" points at a "#" but not at "#{".
*/
static int
comment_start(char_u *p)
{
return p[0] == '#' && p[1] != '{';
}
/*
* If "*arg" is at the end of the line, advance to the next line.
* Also when "whitep" points to white space and "*arg" is on a "#".
* Return FAIL if beyond the last line, "*arg" is unmodified then.
*/
static int
may_get_next_line(char_u **arg, cctx_T *cctx)
may_get_next_line(char_u *whitep, char_u **arg, cctx_T *cctx)
{
if (**arg == NUL)
if (**arg == NUL || (VIM_ISWHITE(*whitep) && comment_start(*arg)))
{
char_u *next = next_line_from_context(cctx);
@@ -2321,15 +2331,17 @@ theend:
static int
compile_arguments(char_u **arg, cctx_T *cctx, int *argcount)
{
char_u *p = *arg;
char_u *p = *arg;
char_u *whitep = *arg;
for (;;)
{
if (*p == NUL)
while (*p == NUL || (VIM_ISWHITE(*whitep) && comment_start(p)))
{
p = next_line_from_context(cctx);
if (p == NULL)
break;
goto failret;
whitep = (char_u *)" ";
p = skipwhite(p);
}
if (*p == ')')
@@ -2353,9 +2365,10 @@ compile_arguments(char_u **arg, cctx_T *cctx, int *argcount)
if (*p != NUL && !VIM_ISWHITE(*p))
semsg(_(e_white_after), ",");
}
whitep = p;
p = skipwhite(p);
}
failret:
emsg(_(e_missing_close));
return FAIL;
}
@@ -2589,11 +2602,12 @@ need_type(type_T *actual, type_T *expected, int offset, cctx_T *cctx)
compile_list(char_u **arg, cctx_T *cctx)
{
char_u *p = skipwhite(*arg + 1);
char_u *whitep = *arg + 1;
int count = 0;
for (;;)
{
if (*p == NUL)
while (*p == NUL || (VIM_ISWHITE(*whitep) && comment_start(p)))
{
p = next_line_from_context(cctx);
if (p == NULL)
@@ -2601,6 +2615,7 @@ compile_list(char_u **arg, cctx_T *cctx)
semsg(_(e_list_end), *arg);
return FAIL;
}
whitep = (char_u *)" ";
p = skipwhite(p);
}
if (*p == ']')
@@ -2616,6 +2631,7 @@ compile_list(char_u **arg, cctx_T *cctx)
++count;
if (*p == ',')
++p;
whitep = p;
p = skipwhite(p);
}
*arg = p;
@@ -2713,6 +2729,8 @@ compile_dict(char_u **arg, cctx_T *cctx, int literal)
int count = 0;
dict_T *d = dict_alloc();
dictitem_T *item;
char_u *whitep = *arg;
char_u *p;
if (d == NULL)
return FAIL;
@@ -2721,11 +2739,13 @@ compile_dict(char_u **arg, cctx_T *cctx, int literal)
{
char_u *key = NULL;
if (**arg == NUL || (literal && **arg == '"'))
while (**arg == NUL || (literal && **arg == '"')
|| (VIM_ISWHITE(*whitep) && comment_start(*arg)))
{
*arg = next_line_from_context(cctx);
if (*arg == NULL)
goto failret;
whitep = (char_u *)" ";
*arg = skipwhite(*arg);
}
@@ -2734,17 +2754,17 @@ compile_dict(char_u **arg, cctx_T *cctx, int literal)
if (literal)
{
char_u *p = to_name_end(*arg, !literal);
char_u *end = to_name_end(*arg, !literal);
if (p == *arg)
if (end == *arg)
{
semsg(_("E1014: Invalid key: %s"), *arg);
return FAIL;
}
key = vim_strnsave(*arg, p - *arg);
key = vim_strnsave(*arg, end - *arg);
if (generate_PUSHS(cctx, key) == FAIL)
return FAIL;
*arg = p;
*arg = end;
}
else
{
@@ -2784,12 +2804,14 @@ compile_dict(char_u **arg, cctx_T *cctx, int literal)
return FAIL;
}
whitep = *arg + 1;
*arg = skipwhite(*arg + 1);
if (**arg == NUL)
while (**arg == NUL || (VIM_ISWHITE(*whitep) && comment_start(*arg)))
{
*arg = next_line_from_context(cctx);
if (*arg == NULL)
goto failret;
whitep = (char_u *)" ";
*arg = skipwhite(*arg);
}
@@ -2797,12 +2819,16 @@ compile_dict(char_u **arg, cctx_T *cctx, int literal)
return FAIL;
++count;
if (**arg == NUL || *skipwhite(*arg) == '"')
whitep = *arg;
p = skipwhite(*arg);
while (*p == NUL || (VIM_ISWHITE(*whitep) && comment_start(p)))
{
*arg = next_line_from_context(cctx);
if (*arg == NULL)
goto failret;
whitep = (char_u *)" ";
*arg = skipwhite(*arg);
p = *arg;
}
if (**arg == '}')
break;
@@ -2811,13 +2837,15 @@ compile_dict(char_u **arg, cctx_T *cctx, int literal)
semsg(_(e_missing_dict_comma), *arg);
goto failret;
}
whitep = *arg + 1;
*arg = skipwhite(*arg + 1);
}
*arg = *arg + 1;
// Allow for following comment, after at least one space.
if (VIM_ISWHITE(**arg) && *skipwhite(*arg) == '"')
p = skipwhite(*arg);
if (VIM_ISWHITE(**arg) && (*p == '"' || comment_start(p)))
*arg += STRLEN(*arg);
dict_unref(d);
@@ -3422,7 +3450,7 @@ compile_expr6(char_u **arg, cctx_T *cctx)
return FAIL;
}
*arg = skipwhite(op + 1);
if (may_get_next_line(arg, cctx) == FAIL)
if (may_get_next_line(op + 1, arg, cctx) == FAIL)
return FAIL;
// get the second variable
@@ -3470,7 +3498,7 @@ compile_expr5(char_u **arg, cctx_T *cctx)
}
*arg = skipwhite(op + oplen);
if (may_get_next_line(arg, cctx) == FAIL)
if (may_get_next_line(op + oplen, arg, cctx) == FAIL)
return FAIL;
// get the second variable
@@ -3608,7 +3636,7 @@ compile_expr4(char_u **arg, cctx_T *cctx)
// get the second variable
*arg = skipwhite(p + len);
if (may_get_next_line(arg, cctx) == FAIL)
if (may_get_next_line(p + len, arg, cctx) == FAIL)
return FAIL;
if (compile_expr5(arg, cctx) == FAIL)
@@ -3658,7 +3686,7 @@ compile_and_or(char_u **arg, cctx_T *cctx, char *op)
// eval the next expression
*arg = skipwhite(p + 2);
if (may_get_next_line(arg, cctx) == FAIL)
if (may_get_next_line(p + 2, arg, cctx) == FAIL)
return FAIL;
if ((opchar == '|' ? compile_expr3(arg, cctx)
@@ -3771,7 +3799,7 @@ compile_expr1(char_u **arg, cctx_T *cctx)
// evaluate the second expression; any type is accepted
*arg = skipwhite(p + 1);
if (may_get_next_line(arg, cctx) == FAIL)
if (may_get_next_line(p + 1, arg, cctx) == FAIL)
return FAIL;
if (compile_expr1(arg, cctx) == FAIL)
@@ -3803,7 +3831,7 @@ compile_expr1(char_u **arg, cctx_T *cctx)
// evaluate the third expression
*arg = skipwhite(p + 1);
if (may_get_next_line(arg, cctx) == FAIL)
if (may_get_next_line(p + 1, arg, cctx) == FAIL)
return FAIL;
if (compile_expr1(arg, cctx) == FAIL)