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selfhost: fix pointer field access, algebraic enums, string literal escaping

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- hir_lower: use per-function scope instead of global scope for params
  fixes p->error emission for pointer parameters
- parser: assign variant4..variant7 in enum decls (was only 0..3)
- c_backend: escape quotes, backslash, newline, tab, cr in string literals
- runtime: bux_write_file now writes raw bytes (was un-escaping sequences)
- c_backend: emit algebraic enums as tagged unions (tag enum + data union + struct)
- hir_lower: add hBreak/hContinue lowering
- sema: skip empty variant names when collecting enum globals
This commit is contained in:
dimgigov
2026-06-06 23:54:09 +03:00
parent 3ae8c60ebb
commit 0bdef58182
6 changed files with 370 additions and 65 deletions
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rt/runtime.c
+1 -25
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@@ -507,31 +507,7 @@ int bux_write_file(const char* path, const char* content) {
FILE* f = fopen(path, "wb");
if (!f) return 0;
size_t len = strlen(content);
size_t written = 0;
for (size_t i = 0; i < len; i++) {
if (content[i] == '\\' && i + 1 < len && content[i + 1] == 'n') {
if (fputc('\n', f) == EOF) break;
i++;
} else if (content[i] == '\\' && i + 1 < len && content[i + 1] == 't') {
if (fputc('\t', f) == EOF) break;
i++;
} else if (content[i] == '\\' && i + 1 < len && content[i + 1] == 'r') {
if (fputc('\r', f) == EOF) break;
i++;
} else if (content[i] == '\\' && i + 1 < len && content[i + 1] == '\\') {
if (fputc('\\', f) == EOF) break;
i++;
} else if (content[i] == '\\' && i + 1 < len && content[i + 1] == '"') {
if (fputc('"', f) == EOF) break;
i++;
} else if (content[i] == '\\' && i + 1 < len && content[i + 1] == '\'') {
if (fputc('\'', f) == EOF) break;
i++;
} else {
if (fputc(content[i], f) == EOF) break;
}
written++;
}
size_t written = fwrite(content, 1, len, f);
fclose(f);
return written > 0 ? 1 : 0;
}