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[qfcc] Make expression lists more generally usable

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That much conflation was a bit excessive.
This commit is contained in:
Bill Currie 2023-09-27 17:37:38 +09:00
parent 210a925be4
commit cf4916e4de
5 changed files with 68 additions and 35 deletions
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10
tools/qfcc/include/expr.h
View file

@ -385,11 +385,13 @@ int list_count (const ex_list_t *list) __attribute__((pure));
void list_scatter (const ex_list_t *list, const expr_t **exprs);
void list_scatter_rev (const ex_list_t *list, const expr_t **exprs);
void list_gather (ex_list_t *dst, const expr_t **exprs, int count);
void list_append (ex_list_t *dst, const expr_t *exprs);
void list_prepend (ex_list_t *dst, const expr_t *exprs);
expr_t *new_list_expr (const expr_t *first);
expr_t *list_append_expr (expr_t *list, const expr_t *expr);
expr_t *list_prepend_expr (expr_t *list, const expr_t *expr);
expr_t *list_append_list (expr_t *list, ex_list_t *append);
expr_t *list_prepend_list (expr_t *list, ex_list_t *prepend);
expr_t *expr_append_expr (expr_t *list, const expr_t *expr);
expr_t *expr_prepend_expr (expr_t *list, const expr_t *expr);
expr_t *expr_append_list (expr_t *list, ex_list_t *append);
expr_t *expr_prepend_list (expr_t *list, ex_list_t *prepend);
/** Create a new expression node.

79
tools/qfcc/source/expr.c
View file

@ -263,40 +263,71 @@ new_listitem (const expr_t *e)
return li;
}
expr_t *
list_append_expr (expr_t *list, const expr_t *expr)
void
list_append (ex_list_t *list, const expr_t *expr)
{
auto li = new_listitem (expr);
*list->list.tail = li;
list->list.tail = &li->next;
return list;
}
expr_t *
list_prepend_expr (expr_t *list, const expr_t *expr)
{
auto li = new_listitem (expr);
li->next = list->list.head;
list->list.head = li;
if (list->list.tail == &list->list.head) {
list->list.tail = &li->next;
if (!list->tail) {
list->tail = &list->head;
}
auto li = new_listitem (expr);
*list->tail = li;
list->tail = &li->next;
}
void
list_prepend (ex_list_t *list, const expr_t *expr)
{
if (!list->tail) {
list->tail = &list->head;
}
auto li = new_listitem (expr);
li->next = list->head;
list->head = li;
if (list->tail == &list->head) {
list->tail = &li->next;
}
}
expr_t *
expr_append_expr (expr_t *list, const expr_t *expr)
{
if (list->type != ex_list) {
internal_error (list, "not a list expression");
}
list_append (&list->list, expr);
return list;
}
expr_t *
list_append_list (expr_t *list, ex_list_t *append)
expr_prepend_expr (expr_t *list, const expr_t *expr)
{
if (list->type != ex_list) {
internal_error (list, "not a list expression");
}
list_prepend (&list->list, expr);
return list;
}
expr_t *
expr_append_list (expr_t *list, ex_list_t *append)
{
if (list->type != ex_list) {
internal_error (list, "not a list expression");
}
*list->list.tail = append->head;
list->list.tail = append->tail;
return list;
}
expr_t *
list_prepend_list (expr_t *list, ex_list_t *prepend)
expr_prepend_list (expr_t *list, ex_list_t *prepend)
{
if (list->type != ex_list) {
internal_error (list, "not a list expression");
}
if (!list->list.head) {
list->list.tail = prepend->tail;
}
@ -313,7 +344,7 @@ new_list_expr (const expr_t *first)
list->list.head = 0;
list->list.tail = &list->list.head;
if (first) {
list_append_expr (list, first);
expr_append_expr (list, first);
}
return list;
}
@ -2164,7 +2195,7 @@ build_function_call (const expr_t *fexpr, const type_t *ftype, const expr_t *par
// args is built in reverse order so it matches params
for (int i = 0; i < arg_count; i++) {
if (emit_args && i == param_count) {
list_prepend_expr (args, new_args_expr ());
expr_prepend_expr (args, new_args_expr ());
emit_args = false;
}
@ -2179,19 +2210,19 @@ build_function_call (const expr_t *fexpr, const type_t *ftype, const expr_t *par
auto cast = cast_expr (arg_types[i], e);
auto tmp = new_temp_def_expr (arg_types[i]);
tmp = expr_file_line (tmp, e);
list_prepend_expr (args, tmp);
expr_prepend_expr (args, tmp);
arg_exprs[arg_expr_count][0] = cast;
arg_exprs[arg_expr_count][1] = tmp;
arg_expr_count++;
} else {
e = cast_expr (arg_types[i], e);
list_prepend_expr (args, e);
expr_prepend_expr (args, e);
}
}
if (emit_args) {
emit_args = false;
list_prepend_expr (args, new_args_expr ());
expr_prepend_expr (args, new_args_expr ());
}
for (int i = 0; i < arg_expr_count - 1; i++) {
auto assign = assign_expr (arg_exprs[i][1], arg_exprs[i][0]);

6
tools/qfcc/source/expr_obj.c
View file

@ -228,11 +228,11 @@ message_expr (const expr_t *receiver, keywordarg_t *message)
expr_t *args = expr_file_line (new_list_expr (0), receiver);
for (m = message; m; m = m->next) {
if (m->expr && m->expr->list.head) {
list_append_list (args, &m->expr->list);
expr_append_list (args, &m->expr->list);
}
}
list_append_expr (args, selector);
list_append_expr (args, receiver);
expr_append_expr (args, selector);
expr_append_expr (args, receiver);
send_msg = expr_file_line (send_message (super), receiver);
if (method) {

6
tools/qfcc/source/qc-parse.y
View file

@ -1746,7 +1746,7 @@ ident_expr
vector_expr
: '[' expr ',' { no_flush_dag = true; } expr_list ']'
{
$$ = list_prepend_expr ($5, $2);
$$ = expr_prepend_expr ($5, $2);
no_flush_dag = false;
}
;
@ -1809,7 +1809,7 @@ comma_expr
expr_list
: expr { $$ = new_list_expr ($1); }
| expr_list ',' flush_dag expr { $$ = list_append_expr ($1, $4); }
| expr_list ',' flush_dag expr { $$ = expr_append_expr ($1, $4); }
;
opt_arg_list
@ -1819,7 +1819,7 @@ opt_arg_list
arg_list
: arg_expr { $$ = new_list_expr ($1); }
| arg_list ',' arg_expr { $$ = list_prepend_expr ($1, $3); }
| arg_list ',' arg_expr { $$ = expr_prepend_expr ($1, $3); }
;
arg_expr

2
tools/qfcc/source/qp-parse.y
View file

@ -465,7 +465,7 @@ procedure_statement
expression_list
: expression { $$ = new_list_expr ($1); }
| expression_list ',' expression { $$ = list_prepend_expr ($1, $3); }
| expression_list ',' expression { $$ = expr_prepend_expr ($1, $3); }
;
unary_expr