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patch 8.2.1155: Vim9: cannot handle line break inside lambda

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Problem:    Vim9: cannot handle line break inside lambda.
Solution:   Pass the compilation context through. (closes #6407, closes #6409)
This commit is contained in:
Bram Moolenaar
2020-07-08 17:36:21 +02:00
parent c620c055ce
commit 7a4b8980ea
6 changed files with 114 additions and 62 deletions
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120
src/eval.c
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@@ -390,11 +390,12 @@ skip_expr_concatenate(char_u **start, char_u **end, evalarg_T *evalarg)
garray_T *gap = &evalarg->eval_ga;
int save_flags = evalarg == NULL ? 0 : evalarg->eval_flags;
if (vim9script && evalarg->eval_cookie != NULL)
if (vim9script
&& (evalarg->eval_cookie != NULL || evalarg->eval_cctx != NULL))
{
ga_init2(gap, sizeof(char_u *), 10);
// leave room for "start"
if (ga_grow(gap, 1) == OK)
// leave room for "start"
++gap->ga_len;
}
@@ -406,32 +407,49 @@ skip_expr_concatenate(char_u **start, char_u **end, evalarg_T *evalarg)
if (evalarg != NULL)
evalarg->eval_flags = save_flags;
if (vim9script && evalarg->eval_cookie != NULL
&& evalarg->eval_ga.ga_len > 1)
if (vim9script
&& (evalarg->eval_cookie != NULL || evalarg->eval_cctx != NULL))
{
char_u *p;
size_t endoff = STRLEN(*end);
if (evalarg->eval_ga.ga_len == 1)
{
// just one line, no need to concatenate
ga_clear(gap);
gap->ga_itemsize = 0;
}
else
{
char_u *p;
size_t endoff = STRLEN(*end);
// Line breaks encountered, concatenate all the lines.
*((char_u **)gap->ga_data) = *start;
p = ga_concat_strings(gap, "");
*((char_u **)gap->ga_data) = NULL;
ga_clear_strings(gap);
gap->ga_itemsize = 0;
if (p == NULL)
return FAIL;
*start = p;
vim_free(evalarg->eval_tofree);
evalarg->eval_tofree = p;
// Compute "end" relative to the end.
*end = *start + STRLEN(*start) - endoff;
// Line breaks encountered, concatenate all the lines.
*((char_u **)gap->ga_data) = *start;
p = ga_concat_strings(gap, "");
// free the lines only when using getsourceline()
if (evalarg->eval_cookie != NULL)
{
*((char_u **)gap->ga_data) = NULL;
ga_clear_strings(gap);
}
else
ga_clear(gap);
gap->ga_itemsize = 0;
if (p == NULL)
return FAIL;
*start = p;
vim_free(evalarg->eval_tofree);
evalarg->eval_tofree = p;
// Compute "end" relative to the end.
*end = *start + STRLEN(*start) - endoff;
}
}
return res;
}
/*
* Top level evaluation function, returning a string.
* Top level evaluation function, returning a string. Does not handle line
* breaks.
* When "convert" is TRUE convert a List into a sequence of lines and convert
* a Float to a String.
* Return pointer to allocated memory, or NULL for failure.
@@ -1878,11 +1896,16 @@ eval_next_non_blank(char_u *arg, evalarg_T *evalarg, int *getnext)
*getnext = FALSE;
if (current_sctx.sc_version == SCRIPT_VERSION_VIM9
&& evalarg != NULL
&& evalarg->eval_cookie != NULL
&& (evalarg->eval_cookie != NULL || evalarg->eval_cctx != NULL)
&& (*arg == NUL || (VIM_ISWHITE(arg[-1])
&& *arg == '#' && arg[1] != '{')))
{
char_u *p = getline_peek(evalarg->eval_getline, evalarg->eval_cookie);
char_u *p;
if (evalarg->eval_cookie != NULL)
p = getline_peek(evalarg->eval_getline, evalarg->eval_cookie);
else
p = peek_next_line_from_context(evalarg->eval_cctx);
if (p != NULL)
{
@@ -1902,7 +1925,10 @@ eval_next_line(evalarg_T *evalarg)
garray_T *gap = &evalarg->eval_ga;
char_u *line;
line = evalarg->eval_getline(0, evalarg->eval_cookie, 0, TRUE);
if (evalarg->eval_cookie != NULL)
line = evalarg->eval_getline(0, evalarg->eval_cookie, 0, TRUE);
else
line = next_line_from_context(evalarg->eval_cctx, TRUE);
++evalarg->eval_break_count;
if (gap->ga_itemsize > 0 && ga_grow(gap, 1) == OK)
{
@@ -5034,35 +5060,27 @@ handle_subscript(
int ret = OK;
dict_T *selfdict = NULL;
int check_white = TRUE;
int getnext;
char_u *p;
// When at the end of the line and ".name" follows in the next line then
// consume the line break. Only when rettv is a dict.
if (rettv->v_type == VAR_DICT)
while (ret == OK)
{
int getnext;
char_u *p = eval_next_non_blank(*arg, evalarg, &getnext);
if (getnext && *p == '.' && ASCII_ISALPHA(p[1]))
// When at the end of the line and ".name" or "->{" or "->X" follows in
// the next line then consume the line break.
p = eval_next_non_blank(*arg, evalarg, &getnext);
if (getnext
&& ((rettv->v_type == VAR_DICT && *p == '.'
&& ASCII_ISALPHA(p[1]))
|| (*p == '-' && p[1] == '>'
&& (p[2] == '{' || ASCII_ISALPHA(p[2])))))
{
*arg = eval_next_line(evalarg);
check_white = FALSE;
}
}
// "." is ".name" lookup when we found a dict or when evaluating and
// scriptversion is at least 2, where string concatenation is "..".
while (ret == OK
&& (((**arg == '['
|| (**arg == '.' && (rettv->v_type == VAR_DICT
|| (!evaluate
&& (*arg)[1] != '.'
&& current_sctx.sc_version >= 2)))
|| (**arg == '(' && (!evaluate || rettv->v_type == VAR_FUNC
|| rettv->v_type == VAR_PARTIAL)))
&& (!check_white || !VIM_ISWHITE(*(*arg - 1))))
|| (**arg == '-' && (*arg)[1] == '>')))
{
if (**arg == '(')
if ((**arg == '(' && (!evaluate || rettv->v_type == VAR_FUNC
|| rettv->v_type == VAR_PARTIAL))
&& (!check_white || !VIM_ISWHITE(*(*arg - 1))))
{
ret = call_func_rettv(arg, evalarg, rettv, evaluate,
selfdict, NULL);
@@ -5079,7 +5097,7 @@ handle_subscript(
dict_unref(selfdict);
selfdict = NULL;
}
else if (**arg == '-')
else if (**arg == '-' && (*arg)[1] == '>')
{
if (ret == OK)
{
@@ -5091,7 +5109,13 @@ handle_subscript(
ret = eval_method(arg, rettv, evalarg, verbose);
}
}
else // **arg == '[' || **arg == '.'
// "." is ".name" lookup when we found a dict or when evaluating and
// scriptversion is at least 2, where string concatenation is "..".
else if (**arg == '['
|| (**arg == '.' && (rettv->v_type == VAR_DICT
|| (!evaluate
&& (*arg)[1] != '.'
&& current_sctx.sc_version >= 2))))
{
dict_unref(selfdict);
if (rettv->v_type == VAR_DICT)
@@ -5108,6 +5132,8 @@ handle_subscript(
ret = FAIL;
}
}
else
break;
}
// Turn "dict.Func" into a partial for "Func" bound to "dict".