Better #+build tag error messages: Error when using more than one !notted operating system per build line. Error when using more than one operating system within a 'kind', such as writing #+build windows linux.

This commit is contained in:
Karl Zylinski
2024-09-08 02:52:43 +02:00
parent dc767da12b
commit 73e4954346

View File

@@ -6106,9 +6106,12 @@ gb_internal bool parse_build_tag(Token token_for_pos, String s) {
}
bool any_correct = false;
bool any_notted_os_seen = false;
bool any_os_seen = false;
while (s.len > 0) {
bool this_kind_correct = true;
bool this_kind_os_seen = false;
do {
String p = string_trim_whitespace(build_tag_get_token(s, &s));
@@ -6133,12 +6136,30 @@ gb_internal bool parse_build_tag(Token token_for_pos, String s) {
continue;
}
TargetOsKind os = get_target_os_from_string(p);
TargetArchKind arch = get_target_arch_from_string(p);
if (os != TargetOs_Invalid) {
// Catches cases where you have multiple !notted operating systems on a line. This never does what you think since
// you need a new build line to get a logical AND.
if (any_notted_os_seen && is_notted) {
syntax_error(token_for_pos, "Invalid build tag: Use a separate '#+build' line for each platform that has '!' in front.");
break;
}
// Catches 'windows linux', which is an impossible combination.
if (this_kind_os_seen) {
syntax_error(token_for_pos, "Invalid build tag: Missing ',' before '%.*s'. Format: '#+build linux, windows, darwin' or '#+build linux amd64, darwin, windows i386'", LIT(p));
break;
}
this_kind_os_seen = true;
any_os_seen = true;
GB_ASSERT(arch == TargetArch_Invalid);
if (is_notted) {
this_kind_correct = this_kind_correct && (os != build_context.metrics.os);
any_notted_os_seen = true;
} else {
this_kind_correct = this_kind_correct && (os == build_context.metrics.os);
}
@@ -6427,7 +6448,7 @@ gb_internal bool parse_file(Parser *p, AstFile *f) {
// There was an OK package declaration. But there some invalid token was hit before the package declaration.
if (has_first_invalid_pre_package_token) {
syntax_error(first_invalid_pre_package_token, "There can only be lines starting with #+ or // before package declaration");
syntax_error(first_invalid_pre_package_token, "There can only be lines starting with '#+' or '//' before package declaration");
return false;
}
@@ -6464,7 +6485,7 @@ gb_internal bool parse_file(Parser *p, AstFile *f) {
if (string_starts_with(str, str_lit("//"))) {
String lc = string_trim_whitespace(substring(str, 2, str.len));
if (string_starts_with(lc, str_lit("+"))) {
syntax_warning(tok, "//+ is deprecated: Use #+ instead");
syntax_warning(tok, "'//+' is deprecated: Use '#+' instead");
String lt = substring(lc, 1, lc.len);
if (process_file_tag(lt, tok, f) == false) {
return false;