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auto_cast prefix for procedure parameters

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This commit is contained in:
gingerBill
2018-08-09 17:58:11 +01:00
parent 877a78d6ba
commit 70586b1cf8
6 changed files with 40 additions and 17 deletions
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24
src/parser.cpp
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@@ -2678,6 +2678,7 @@ enum FieldPrefixKind {
FieldPrefix_using,
FieldPrefix_no_alias,
FieldPrefix_c_var_arg,
FieldPrefix_auto_cast,
FieldPrefix_in,
};
@@ -2692,6 +2693,9 @@ FieldPrefixKind is_token_field_prefix(AstFile *f) {
case Token_in:
return FieldPrefix_in;
case Token_auto_cast:
return FieldPrefix_auto_cast;
case Token_Hash:
advance_token(f);
switch (f->curr_token.kind) {
@@ -2710,10 +2714,11 @@ FieldPrefixKind is_token_field_prefix(AstFile *f) {
u32 parse_field_prefixes(AstFile *f) {
i32 using_count = 0;
i32 no_alias_count = 0;
i32 c_vararg_count = 0;
i32 in_count = 0;
i32 using_count = 0;
i32 no_alias_count = 0;
i32 c_vararg_count = 0;
i32 in_count = 0;
i32 auto_cast_count = 0;
for (;;) {
FieldPrefixKind kind = is_token_field_prefix(f);
@@ -2727,16 +2732,18 @@ u32 parse_field_prefixes(AstFile *f) {
}
switch (kind) {
case FieldPrefix_using: using_count += 1; advance_token(f); break;
case FieldPrefix_no_alias: no_alias_count += 1; advance_token(f); break;
case FieldPrefix_c_var_arg: c_vararg_count += 1; advance_token(f); break;
case FieldPrefix_in: in_count += 1; advance_token(f); break;
case FieldPrefix_using: using_count += 1; advance_token(f); break;
case FieldPrefix_no_alias: no_alias_count += 1; advance_token(f); break;
case FieldPrefix_c_var_arg: c_vararg_count += 1; advance_token(f); break;
case FieldPrefix_in: in_count += 1; advance_token(f); break;
case FieldPrefix_auto_cast: auto_cast_count += 1; advance_token(f); break;
}
}
if (using_count > 1) syntax_error(f->curr_token, "Multiple 'using' in this field list");
if (no_alias_count > 1) syntax_error(f->curr_token, "Multiple '#no_alias' in this field list");
if (c_vararg_count > 1) syntax_error(f->curr_token, "Multiple '#c_vararg' in this field list");
if (in_count > 1) syntax_error(f->curr_token, "Multiple 'in' in this field list");
if (auto_cast_count > 1) syntax_error(f->curr_token, "Multiple 'auto_cast_count' in this field list");
u32 field_flags = 0;
@@ -2744,6 +2751,7 @@ u32 parse_field_prefixes(AstFile *f) {
if (no_alias_count > 0) field_flags |= FieldFlag_no_alias;
if (c_vararg_count > 0) field_flags |= FieldFlag_c_vararg;
if (in_count > 0) field_flags |= FieldFlag_in;
if (auto_cast_count > 0) field_flags |= FieldFlag_auto_cast;
return field_flags;
}