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[qfcc] Collect all arg tokens for stringification

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Now all the tokens in the arg go into the one string.
This commit is contained in:
Bill Currie 2023-10-25 00:20:12 +09:00
parent dc598c58b5
commit 4e922008eb
2 changed files with 26 additions and 10 deletions
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2
tools/qfcc/include/rua-lang.h
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@ -43,7 +43,7 @@ typedef struct rua_expr_s {
rua_loc_t location;
int textlen;
int token;
int param; // 1-based param index (0 if not a param)
int id; // arg expansion id (1...)
const char *text;
} rua_expr_t;

34
tools/qfcc/source/qc-lex.l
View file

@ -108,6 +108,7 @@ typedef struct rua_extra_s {
rua_cond_stack_t cond_stack;
rua_expr_stack_t expr_stack;
rua_macro_list_t arg_list;
dstring_t *dstr;
symtab_t *macro_tab;
yyscan_t subscanner;
} rua_extra_t;
@ -1110,13 +1111,18 @@ expand_macro (rua_extra_t *extra, rua_macro_t *macro)
int base = extra->expr_stack.size;
DARRAY_OPEN_AT (&extra->expr_stack, base, num_tokens);
int index = num_tokens;
int argid = 0;
for (auto t = macro->tokens; t; t = t->next) {
auto e = t;
if (t->token == PRE_ID) {
auto sym = symtab_lookup (macro->params, t->text);
int param = sym->s.offset;
for (e = extra->arg_list.a[param]->tokens; e; e = e->next) {
extra->expr_stack.a[base + --index] = *e;
if (sym) {
int param = sym->s.offset;
argid++;
for (e = extra->arg_list.a[param]->tokens; e; e = e->next) {
extra->expr_stack.a[base + --index] = *e;
extra->expr_stack.a[base + index].id = argid;
}
}
}
if (e) {
@ -1131,13 +1137,20 @@ expand_macro (rua_extra_t *extra, rua_macro_t *macro)
auto e = &extra->expr_stack.a[base + index];
if (e->token == '#') {
e->token = -rua_string;
auto p = e - 1;
auto str = quote_string (p->text);
e->text = save_string (va (0, "\"%s\"", str));
dstring_clear (extra->dstr);
dstring_appendstr (extra->dstr, "\"");
int id = e[-1].id;
auto p = e;
while (p - extra->expr_stack.a > base && (--p)->id == id) {
auto str = quote_string (p->text);
dstring_appendstr (extra->dstr, str);
extra->expr_stack.a[base + --index] = (rua_expr_t) {
.token = -rua_ignore,
};
extra->expr_stack.a[base + --index] = (rua_expr_t) {
.token = -rua_ignore,
};
}
dstring_appendstr (extra->dstr, "\"");
e->text = save_string (extra->dstr->str);
} else if (e->token == PRE_CONCAT) {
auto p1 = e + 1;
auto p2 = e - 1;
@ -1389,6 +1402,7 @@ qc_yyparse (FILE *in)
.cond_stack = DARRAY_STATIC_INIT (8),
.expr_stack = DARRAY_STATIC_INIT (32),
.arg_list = DARRAY_STATIC_INIT (8),
.dstr = dstring_new (),
.macro_tab = new_symtab (0, stab_global),
};
@ -1420,6 +1434,7 @@ qc_yyparse (FILE *in)
free (extra.cond_stack.a);
free (extra.expr_stack.a);
free (extra.arg_list.a);
dstring_delete (extra.dstr);
return status;
}
@ -1456,6 +1471,7 @@ rua_end_params (rua_macro_t *macro, void *scanner)
{
auto extra = qc_yyget_extra (scanner);
extra->params = false;
//macro->params->parent = extra->macro_tab;
return macro;
}