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eolian: add @cref as alternative to @in 

This is a "pass by reference to const" equivalent. There is no explicit pointer
and currently it's the same as ptr(const(x)) on the type. However, it is also
usable on properties.
This commit is contained in:
Daniel Kolesa 2017-11-01 12:00:14 +01:00
parent 0496b7988a
commit eab6f009e2
2 changed files with 10 additions and 3 deletions
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5
src/lib/eolian/eo_lexer.h
View File

@ -29,10 +29,11 @@ enum Tokens
KW(get), KW(implements), KW(import), KW(interface), KW(keys), KW(legacy), \
KW(legacy_prefix), KW(methods), KW(mixin), KW(params), KW(parts), KW(ptr), \
KW(set), KW(type), KW(values), KW(var), KWAT(auto), KWAT(beta), \
KWAT(class), KWAT(const), KWAT(empty), KWAT(extern), \
KWAT(class), KWAT(const), KWAT(cref), KWAT(empty), KWAT(extern), \
KWAT(free), KWAT(hot), KWAT(in), KWAT(inout), KWAT(nonull), KWAT(nullable), \
KWAT(optional), KWAT(out), KWAT(owned), KWAT(private), KWAT(property), \
KWAT(protected), KWAT(restart), KWAT(pure_virtual), KWAT(warn_unused), \
KWAT(protected), KWAT(restart), KWAT(pure_virtual), \
KWAT(warn_unused), \
\
KW(byte), KW(ubyte), KW(char), KW(short), KW(ushort), KW(int), KW(uint), \
KW(long), KW(ulong), KW(llong), KW(ullong), \

8
src/lib/eolian/eo_parser.c
View File

@ -969,11 +969,12 @@ parse_param(Eo_Lexer *ls, Eina_List **params, Eina_Bool allow_inout,
{
Eina_Bool has_nonull = EINA_FALSE, has_optional = EINA_FALSE,
has_nullable = EINA_FALSE, has_owned = EINA_FALSE;
Eina_Bool cref = (ls->t.kw == KW_at_cref);
Eolian_Function_Parameter *par = calloc(1, sizeof(Eolian_Function_Parameter));
par->param_dir = EOLIAN_IN_PARAM;
FILL_BASE(par->base, ls, ls->line_number, ls->column);
*params = eina_list_append(*params, par);
if (allow_inout && ls->t.kw == KW_at_in)
if (cref || (allow_inout && (ls->t.kw == KW_at_in)))
{
par->param_dir = EOLIAN_IN_PARAM;
eo_lexer_get(ls);
@ -1008,6 +1009,11 @@ parse_param(Eo_Lexer *ls, Eina_List **params, Eina_Bool allow_inout,
pop_expr(ls);
check_match(ls, ')', '(', line, col);
}
if (cref)
{
par->type->is_const = EINA_TRUE;
par->type->is_ptr = EINA_TRUE;
}
for (;;) switch (ls->t.kw)
{
case KW_at_nonull: