diff options
Diffstat (limited to 'src/codegen/codegen.c')
| -rw-r--r-- | src/codegen/codegen.c | 3531 |
1 files changed, 1555 insertions, 1976 deletions
diff --git a/src/codegen/codegen.c b/src/codegen/codegen.c index 86295e4..e3e1ac6 100644 --- a/src/codegen/codegen.c +++ b/src/codegen/codegen.c @@ -20,2073 +20,1652 @@ // static function for internal use. static char *g_current_func_ret_type = NULL; -static void codegen_match_internal(ParserContext *ctx, ASTNode *node, FILE *out, int use_result) -{ - int id = tmp_counter++; - int is_self = (node->match_stmt.expr->type == NODE_EXPR_VAR && - strcmp(node->match_stmt.expr->var_ref.name, "self") == 0); - - char *ret_type = infer_type(ctx, node); - int is_expr = (use_result && ret_type && strcmp(ret_type, "void") != 0); +static void codegen_match_internal(ParserContext *ctx, ASTNode *node, FILE *out, + int use_result) { + int id = tmp_counter++; + int is_self = (node->match_stmt.expr->type == NODE_EXPR_VAR && + strcmp(node->match_stmt.expr->var_ref.name, "self") == 0); + + char *ret_type = infer_type(ctx, node); + int is_expr = (use_result && ret_type && strcmp(ret_type, "void") != 0); + + fprintf(out, "({ "); + emit_auto_type(ctx, node->match_stmt.expr, node->token, out); + fprintf(out, " _m_%d = ", id); + if (is_self) { + fprintf(out, "*("); + } + codegen_expression(ctx, node->match_stmt.expr, out); + if (is_self) { + fprintf(out, ")"); + } + fprintf(out, "; "); + + if (is_expr) { + fprintf(out, "%s _r_%d; ", ret_type, id); + } + + char *expr_type = infer_type(ctx, node->match_stmt.expr); + int is_option = (expr_type && strncmp(expr_type, "Option_", 7) == 0); + int is_result = (expr_type && strncmp(expr_type, "Result_", 7) == 0); + + char *enum_name = NULL; + ASTNode *chk = node->match_stmt.cases; + int has_wildcard = 0; + while (chk) { + if (strcmp(chk->match_case.pattern, "_") == 0) { + has_wildcard = 1; + } else if (!enum_name) { + EnumVariantReg *reg = find_enum_variant(ctx, chk->match_case.pattern); + if (reg) { + enum_name = reg->enum_name; + } + } + chk = chk->next; + } + + if (enum_name && !has_wildcard) { + // Iterate through all registered variants for this enum + EnumVariantReg *v = ctx->enum_variants; + while (v) { + if (strcmp(v->enum_name, enum_name) == 0) { + int covered = 0; + ASTNode *c2 = node->match_stmt.cases; + while (c2) { + if (strcmp(c2->match_case.pattern, v->variant_name) == 0) { + covered = 1; + break; + } + c2 = c2->next; + } + if (!covered) { + zwarn_at(node->token, "Non-exhaustive match: Missing variant '%s'", + v->variant_name); + } + } + v = v->next; + } + } - fprintf(out, "({ "); - emit_auto_type(ctx, node->match_stmt.expr, node->token, out); - fprintf(out, " _m_%d = ", id); - if (is_self) - { - fprintf(out, "*("); + ASTNode *c = node->match_stmt.cases; + int first = 1; + while (c) { + if (!first) { + fprintf(out, " else "); } - codegen_expression(ctx, node->match_stmt.expr, out); - if (is_self) - { - fprintf(out, ")"); + fprintf(out, "if ("); + if (strcmp(c->match_case.pattern, "_") == 0) { + fprintf(out, "1"); + } else if (is_option) { + if (strcmp(c->match_case.pattern, "Some") == 0) { + fprintf(out, "_m_%d.is_some", id); + } else if (strcmp(c->match_case.pattern, "None") == 0) { + fprintf(out, "!_m_%d.is_some", id); + } else { + fprintf(out, "1"); + } + } else if (is_result) { + if (strcmp(c->match_case.pattern, "Ok") == 0) { + fprintf(out, "_m_%d.is_ok", id); + } else if (strcmp(c->match_case.pattern, "Err") == 0) { + fprintf(out, "!_m_%d.is_ok", id); + } else { + fprintf(out, "1"); + } + } else { + EnumVariantReg *reg = find_enum_variant(ctx, c->match_case.pattern); + if (reg) { + fprintf(out, "_m_%d.tag == %d", id, reg->tag_id); + } else if (c->match_case.pattern[0] == '"') { + fprintf(out, "strcmp(_m_%d, %s) == 0", id, c->match_case.pattern); + } else if (isdigit(c->match_case.pattern[0]) || + c->match_case.pattern[0] == '-') { + // Numeric pattern + fprintf(out, "_m_%d == %s", id, c->match_case.pattern); + } else if (c->match_case.pattern[0] == '\'') { + // Char literal pattern + fprintf(out, "_m_%d == %s", id, c->match_case.pattern); + } else { + fprintf(out, "1"); + } + } + fprintf(out, ") { "); + if (c->match_case.binding_name) { + if (is_option) { + if (strstr(g_config.cc, "tcc")) { + fprintf(out, "__typeof__(_m_%d.val) %s = _m_%d.val; ", id, + c->match_case.binding_name, id); + } else { + fprintf(out, "__auto_type %s = _m_%d.val; ", + c->match_case.binding_name, id); + } + } + if (is_result) { + if (strcmp(c->match_case.pattern, "Ok") == 0) { + if (strstr(g_config.cc, "tcc")) { + fprintf(out, "__typeof__(_m_%d.val) %s = _m_%d.val; ", id, + c->match_case.binding_name, id); + } else { + fprintf(out, "__auto_type %s = _m_%d.val; ", + c->match_case.binding_name, id); + } + } else { + if (strstr(g_config.cc, "tcc")) { + fprintf(out, "__typeof__(_m_%d.err) %s = _m_%d.err; ", id, + c->match_case.binding_name, id); + } else { + fprintf(out, "__auto_type %s = _m_%d.err; ", + c->match_case.binding_name, id); + } + } + } else { + char *f = strrchr(c->match_case.pattern, '_'); + if (f) { + f++; + } else { + f = c->match_case.pattern; + } + fprintf(out, "__auto_type %s = _m_%d.data.%s; ", + c->match_case.binding_name, id, f); + } } - fprintf(out, "; "); - if (is_expr) - { - fprintf(out, "%s _r_%d; ", ret_type, id); + // Check if body is a string literal (should auto-print). + ASTNode *body = c->match_case.body; + int is_string_literal = + (body->type == NODE_EXPR_LITERAL && body->literal.type_kind == 2); + + if (is_expr) { + fprintf(out, "_r_%d = ", id); + if (is_string_literal) { + codegen_node_single(ctx, body, out); + } else { + if (body->type == NODE_BLOCK) { + int saved = defer_count; + fprintf(out, "({ "); + ASTNode *stmt = body->block.statements; + while (stmt) { + codegen_node_single(ctx, stmt, out); + stmt = stmt->next; + } + for (int i = defer_count - 1; i >= saved; i--) { + codegen_node_single(ctx, defer_stack[i], out); + } + defer_count = saved; + fprintf(out, " })"); + } else { + codegen_node_single(ctx, body, out); + } + } + fprintf(out, ";"); + } else { + if (is_string_literal) { + fprintf(out, "({ printf(\"%%s\", "); + codegen_expression(ctx, body, out); + fprintf(out, "); printf(\"\\n\"); 0; })"); + } else { + codegen_node_single(ctx, body, out); + } } - char *expr_type = infer_type(ctx, node->match_stmt.expr); - int is_option = (expr_type && strncmp(expr_type, "Option_", 7) == 0); - int is_result = (expr_type && strncmp(expr_type, "Result_", 7) == 0); + fprintf(out, " }"); + first = 0; + c = c->next; + } - char *enum_name = NULL; - ASTNode *chk = node->match_stmt.cases; - int has_wildcard = 0; - while (chk) - { - if (strcmp(chk->match_case.pattern, "_") == 0) - { - has_wildcard = 1; - } - else if (!enum_name) - { - EnumVariantReg *reg = find_enum_variant(ctx, chk->match_case.pattern); - if (reg) - { - enum_name = reg->enum_name; - } - } - chk = chk->next; - } + if (is_expr) { + fprintf(out, " _r_%d; })", id); + } else { + fprintf(out, " })"); + } +} - if (enum_name && !has_wildcard) - { - // Iterate through all registered variants for this enum - EnumVariantReg *v = ctx->enum_variants; - while (v) - { - if (strcmp(v->enum_name, enum_name) == 0) - { - int covered = 0; - ASTNode *c2 = node->match_stmt.cases; - while (c2) - { - if (strcmp(c2->match_case.pattern, v->variant_name) == 0) - { - covered = 1; - break; - } - c2 = c2->next; - } - if (!covered) - { - zwarn_at(node->token, "Non-exhaustive match: Missing variant '%s'", - v->variant_name); - } +void codegen_expression(ParserContext *ctx, ASTNode *node, FILE *out) { + if (!node) { + return; + } + switch (node->type) { + case NODE_MATCH: + codegen_match_internal(ctx, node, out, 1); + break; + case NODE_EXPR_BINARY: + if (strncmp(node->binary.op, "??", 2) == 0 && + strlen(node->binary.op) == 2) { + fprintf(out, "({ "); + emit_auto_type(ctx, node->binary.left, node->token, out); + fprintf(out, " _l = ("); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, "); _l ? _l : ("); + codegen_expression(ctx, node->binary.right, out); + fprintf(out, "); })"); + } else if (strcmp(node->binary.op, "?\?=") == 0) { + fprintf(out, "({ if (!("); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, ")) "); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, " = ("); + codegen_expression(ctx, node->binary.right, out); + fprintf(out, "); "); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, "; })"); + } else if ((strcmp(node->binary.op, "==") == 0 || + strcmp(node->binary.op, "!=") == 0)) { + char *t1 = infer_type(ctx, node->binary.left); + + int is_ptr = 0; + if (t1) { + char *check = t1; + int depth = 0; + while (depth++ < 10) { + if (strchr(check, '*')) { + is_ptr = 1; + break; + } + int resolved = 0; + ASTNode *alias = global_user_structs; + if (alias) { + while (alias) { + if (alias->type == NODE_TYPE_ALIAS && + strcmp(check, alias->type_alias.alias) == 0) { + check = alias->type_alias.original_type; + resolved = 1; + break; + } + alias = alias->next; } - v = v->next; + } + if (!resolved) { + break; + } + } + } + + int is_basic = 0; + if (t1) { + is_basic = + (strcmp(t1, "int") == 0 || strcmp(t1, "bool") == 0 || + strcmp(t1, "char") == 0 || strcmp(t1, "void") == 0 || + strcmp(t1, "float") == 0 || strcmp(t1, "double") == 0 || + strcmp(t1, "usize") == 0 || strcmp(t1, "size_t") == 0 || + strcmp(t1, "ssize_t") == 0 || strcmp(t1, "__auto_type") == 0); + } + + ASTNode *def = t1 ? find_struct_def(ctx, t1) : NULL; + if (t1 && def && (def->type == NODE_STRUCT || def->type == NODE_ENUM) && + !is_basic && !is_ptr) { + char *base = t1; + if (strncmp(base, "struct ", 7) == 0) { + base += 7; + } + + if (strcmp(node->binary.op, "!=") == 0) { + fprintf(out, "(!"); + } + fprintf(out, "%s_eq(&", base); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, ", "); + codegen_expression(ctx, node->binary.right, out); + fprintf(out, ")"); + if (strcmp(node->binary.op, "!=") == 0) { + fprintf(out, ")"); } + } else { + fprintf(out, "("); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, " %s ", node->binary.op); + codegen_expression(ctx, node->binary.right, out); + fprintf(out, ")"); + } + } else { + fprintf(out, "("); + codegen_expression(ctx, node->binary.left, out); + fprintf(out, " %s ", node->binary.op); + codegen_expression(ctx, node->binary.right, out); + fprintf(out, ")"); + } + break; + case NODE_EXPR_VAR: + if (g_current_lambda) { + for (int i = 0; i < g_current_lambda->lambda.num_captures; i++) { + if (strcmp(node->var_ref.name, + g_current_lambda->lambda.captured_vars[i]) == 0) { + fprintf(out, "ctx->%s", node->var_ref.name); + return; + } + } } - ASTNode *c = node->match_stmt.cases; - int first = 1; - while (c) - { - if (!first) - { - fprintf(out, " else "); - } - fprintf(out, "if ("); - if (strcmp(c->match_case.pattern, "_") == 0) - { - fprintf(out, "1"); - } - else if (is_option) - { - if (strcmp(c->match_case.pattern, "Some") == 0) - { - fprintf(out, "_m_%d.is_some", id); - } - else if (strcmp(c->match_case.pattern, "None") == 0) - { - fprintf(out, "!_m_%d.is_some", id); - } - else - { - fprintf(out, "1"); - } - } - else if (is_result) - { - if (strcmp(c->match_case.pattern, "Ok") == 0) - { - fprintf(out, "_m_%d.is_ok", id); - } - else if (strcmp(c->match_case.pattern, "Err") == 0) - { - fprintf(out, "!_m_%d.is_ok", id); - } - else - { - fprintf(out, "1"); - } - } - else - { - EnumVariantReg *reg = find_enum_variant(ctx, c->match_case.pattern); - if (reg) - { - fprintf(out, "_m_%d.tag == %d", id, reg->tag_id); - } - else if (c->match_case.pattern[0] == '"') - { - fprintf(out, "strcmp(_m_%d, %s) == 0", id, c->match_case.pattern); - } - else if (isdigit(c->match_case.pattern[0]) || c->match_case.pattern[0] == '-') - { - // Numeric pattern - fprintf(out, "_m_%d == %s", id, c->match_case.pattern); - } - else if (c->match_case.pattern[0] == '\'') - { - // Char literal pattern - fprintf(out, "_m_%d == %s", id, c->match_case.pattern); - } - else - { - fprintf(out, "1"); - } - } - fprintf(out, ") { "); - if (c->match_case.binding_name) - { - if (is_option) - { - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, "__typeof__(_m_%d.val) %s = _m_%d.val; ", id, - c->match_case.binding_name, id); - } - else - { - fprintf(out, "__auto_type %s = _m_%d.val; ", c->match_case.binding_name, id); - } - } - if (is_result) - { - if (strcmp(c->match_case.pattern, "Ok") == 0) - { - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, "__typeof__(_m_%d.val) %s = _m_%d.val; ", id, - c->match_case.binding_name, id); - } - else - { - fprintf(out, "__auto_type %s = _m_%d.val; ", c->match_case.binding_name, - id); - } - } - else - { - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, "__typeof__(_m_%d.err) %s = _m_%d.err; ", id, - c->match_case.binding_name, id); - } - else - { - fprintf(out, "__auto_type %s = _m_%d.err; ", c->match_case.binding_name, - id); - } - } - } - else - { - char *f = strrchr(c->match_case.pattern, '_'); - if (f) - { - f++; - } - else - { - f = c->match_case.pattern; - } - fprintf(out, "__auto_type %s = _m_%d.data.%s; ", c->match_case.binding_name, id, f); - } - } - - // Check if body is a string literal (should auto-print). - ASTNode *body = c->match_case.body; - int is_string_literal = (body->type == NODE_EXPR_LITERAL && body->literal.type_kind == 2); + if (node->resolved_type && strcmp(node->resolved_type, "unknown") == 0) { + if (node->var_ref.suggestion) { + char msg[256]; + sprintf(msg, "Undefined variable '%s'", node->var_ref.name); + char help[256]; + sprintf(help, "Did you mean '%s'?", node->var_ref.suggestion); - if (is_expr) - { - fprintf(out, "_r_%d = ", id); - if (is_string_literal) - { - codegen_node_single(ctx, body, out); - } - else - { - if (body->type == NODE_BLOCK) - { - int saved = defer_count; - fprintf(out, "({ "); - ASTNode *stmt = body->block.statements; - while (stmt) - { - codegen_node_single(ctx, stmt, out); - stmt = stmt->next; - } - for (int i = defer_count - 1; i >= saved; i--) - { - codegen_node_single(ctx, defer_stack[i], out); - } - defer_count = saved; - fprintf(out, " })"); - } - else - { - codegen_node_single(ctx, body, out); - } - } - fprintf(out, ";"); - } - else - { - if (is_string_literal) - { - fprintf(out, "({ printf(\"%%s\", "); - codegen_expression(ctx, body, out); - fprintf(out, "); printf(\"\\n\"); 0; })"); - } - else - { - codegen_node_single(ctx, body, out); - } + zwarn_at(node->token, "%s\n = help: %s", msg, help); + } + } + fprintf(out, "%s", node->var_ref.name); + break; + case NODE_LAMBDA: + if (node->lambda.num_captures > 0) { + fprintf(out, + "({ struct Lambda_%d_Ctx *ctx = malloc(sizeof(struct " + "Lambda_%d_Ctx));\n", + node->lambda.lambda_id, node->lambda.lambda_id); + for (int i = 0; i < node->lambda.num_captures; i++) { + fprintf(out, "ctx->%s = ", node->lambda.captured_vars[i]); + int found = 0; + if (g_current_lambda) { + for (int k = 0; k < g_current_lambda->lambda.num_captures; k++) { + if (strcmp(node->lambda.captured_vars[i], + g_current_lambda->lambda.captured_vars[k]) == 0) { + fprintf(out, "ctx->%s", node->lambda.captured_vars[i]); + found = 1; + break; + } + } + } + if (!found) { + fprintf(out, "%s", node->lambda.captured_vars[i]); } - - fprintf(out, " }"); - first = 0; - c = c->next; + fprintf(out, ";\n"); + } + fprintf(out, "(z_closure_T){.func = _lambda_%d, .ctx = ctx}; })", + node->lambda.lambda_id); + } else { + fprintf(out, "((z_closure_T){.func = (void*)_lambda_%d, .ctx = NULL})", + node->lambda.lambda_id); + } + break; + case NODE_EXPR_LITERAL: + if (node->literal.type_kind == TOK_STRING) { + fprintf(out, "\"%s\"", node->literal.string_val); + } else if (node->literal.type_kind == TOK_CHAR) { + fprintf(out, "%s", node->literal.string_val); + } else if (node->literal.type_kind == 1) { + fprintf(out, "%f", node->literal.float_val); } - if (is_expr) - { - fprintf(out, " _r_%d; })", id); + else { + if (node->literal.int_val > 9223372036854775807ULL) { + fprintf(out, "%lluULL", (unsigned long long)node->literal.int_val); + } else { + fprintf(out, "%llu", (unsigned long long)node->literal.int_val); + } } - else - { - fprintf(out, " })"); + break; + case NODE_EXPR_CALL: { + if (node->call.callee->type == NODE_EXPR_MEMBER) { + ASTNode *target = node->call.callee->member.target; + char *method = node->call.callee->member.field; + + if (strcmp(method, "len") == 0) { + if (target->type_info && target->type_info->kind == TYPE_ARRAY) { + if (target->type_info->array_size > 0) { + fprintf(out, "%d", target->type_info->array_size); + } else { + codegen_expression(ctx, target, out); + fprintf(out, ".len"); + } + return; + } + } + + char *type = infer_type(ctx, target); + if (type) { + char *clean = xstrdup(type); + char *ptr = strchr(clean, '*'); + if (ptr) { + *ptr = 0; + } + + char *base = clean; + if (strncmp(base, "struct ", 7) == 0) { + base += 7; + } + + if (!strchr(type, '*') && target->type == NODE_EXPR_CALL) { + fprintf(out, "({ %s _t = ", type); + codegen_expression(ctx, target, out); + fprintf(out, "; %s_%s(&_t", base, method); + ASTNode *arg = node->call.args; + while (arg) { + fprintf(out, ", "); + codegen_expression(ctx, arg, out); + arg = arg->next; + } + fprintf(out, "); })"); + } else { + fprintf(out, "%s_%s(", base, method); + if (!strchr(type, '*')) { + fprintf(out, "&"); + } + codegen_expression(ctx, target, out); + ASTNode *arg = node->call.args; + while (arg) { + fprintf(out, ", "); + codegen_expression(ctx, arg, out); + arg = arg->next; + } + fprintf(out, ")"); + } + free(clean); + return; + } } -} - -void codegen_expression(ParserContext *ctx, ASTNode *node, FILE *out) -{ - if (!node) - { + if (node->call.callee->type == NODE_EXPR_VAR) { + ASTNode *def = find_struct_def(ctx, node->call.callee->var_ref.name); + if (def && def->type == NODE_STRUCT) { + fprintf(out, "(struct %s){0}", node->call.callee->var_ref.name); return; + } } - switch (node->type) - { - case NODE_MATCH: - codegen_match_internal(ctx, node, out, 1); - break; - case NODE_EXPR_BINARY: - if (strncmp(node->binary.op, "??", 2) == 0 && strlen(node->binary.op) == 2) - { - fprintf(out, "({ "); - emit_auto_type(ctx, node->binary.left, node->token, out); - fprintf(out, " _l = ("); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, "); _l ? _l : ("); - codegen_expression(ctx, node->binary.right, out); - fprintf(out, "); })"); - } - else if (strcmp(node->binary.op, "?\?=") == 0) - { - fprintf(out, "({ if (!("); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, ")) "); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, " = ("); - codegen_expression(ctx, node->binary.right, out); - fprintf(out, "); "); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, "; })"); - } - else if ((strcmp(node->binary.op, "==") == 0 || strcmp(node->binary.op, "!=") == 0)) - { - char *t1 = infer_type(ctx, node->binary.left); - - int is_ptr = 0; - if (t1) - { - char *check = t1; - int depth = 0; - while (depth++ < 10) - { - if (strchr(check, '*')) - { - is_ptr = 1; - break; - } - int resolved = 0; - ASTNode *alias = global_user_structs; - if (alias) - { - while (alias) - { - if (alias->type == NODE_TYPE_ALIAS && - strcmp(check, alias->type_alias.alias) == 0) - { - check = alias->type_alias.original_type; - resolved = 1; - break; - } - alias = alias->next; - } - } - if (!resolved) - { - break; - } - } - } - int is_basic = 0; - if (t1) - { - is_basic = (strcmp(t1, "int") == 0 || strcmp(t1, "bool") == 0 || - strcmp(t1, "char") == 0 || strcmp(t1, "void") == 0 || - strcmp(t1, "float") == 0 || strcmp(t1, "double") == 0 || - strcmp(t1, "usize") == 0 || strcmp(t1, "size_t") == 0 || - strcmp(t1, "ssize_t") == 0 || strcmp(t1, "__auto_type") == 0); - } + if (node->call.callee->type_info && + node->call.callee->type_info->kind == TYPE_FUNCTION) { + fprintf(out, "({ z_closure_T _c = "); + codegen_expression(ctx, node->call.callee, out); + fprintf(out, "; "); + + Type *ft = node->call.callee->type_info; + char *ret = type_to_string(ft->inner); + if (strcmp(ret, "string") == 0) { + free(ret); + ret = xstrdup("char*"); + } + + fprintf(out, "((%s (*)(void*", ret); + for (int i = 0; i < ft->arg_count; i++) { + char *as = type_to_string(ft->args[i]); + fprintf(out, ", %s", as); + free(as); + } + if (ft->is_varargs) { + fprintf(out, ", ..."); + } + fprintf(out, "))_c.func)(_c.ctx"); + + ASTNode *arg = node->call.args; + while (arg) { + fprintf(out, ", "); + codegen_expression(ctx, arg, out); + arg = arg->next; + } + fprintf(out, "); })"); + free(ret); + break; + } - ASTNode *def = t1 ? find_struct_def(ctx, t1) : NULL; - if (t1 && def && (def->type == NODE_STRUCT || def->type == NODE_ENUM) && !is_basic && - !is_ptr) - { - char *base = t1; - if (strncmp(base, "struct ", 7) == 0) - { - base += 7; - } - - if (strcmp(node->binary.op, "!=") == 0) - { - fprintf(out, "(!"); - } - fprintf(out, "%s_eq(&", base); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, ", "); - codegen_expression(ctx, node->binary.right, out); - fprintf(out, ")"); - if (strcmp(node->binary.op, "!=") == 0) - { - fprintf(out, ")"); - } - } - else - { - fprintf(out, "("); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, " %s ", node->binary.op); - codegen_expression(ctx, node->binary.right, out); - fprintf(out, ")"); - } - } - else - { - fprintf(out, "("); - codegen_expression(ctx, node->binary.left, out); - fprintf(out, " %s ", node->binary.op); - codegen_expression(ctx, node->binary.right, out); - fprintf(out, ")"); - } - break; - case NODE_EXPR_VAR: - if (g_current_lambda) - { - for (int i = 0; i < g_current_lambda->lambda.num_captures; i++) - { - if (strcmp(node->var_ref.name, g_current_lambda->lambda.captured_vars[i]) == 0) - { - fprintf(out, "ctx->%s", node->var_ref.name); - return; - } - } - } + codegen_expression(ctx, node->call.callee, out); + fprintf(out, "("); - if (node->resolved_type && strcmp(node->resolved_type, "unknown") == 0) - { - if (node->var_ref.suggestion) - { - char msg[256]; - sprintf(msg, "Undefined variable '%s'", node->var_ref.name); - char help[256]; - sprintf(help, "Did you mean '%s'?", node->var_ref.suggestion); + if (node->call.arg_names && node->call.callee->type == NODE_EXPR_VAR) { + char *fn_name = node->call.callee->var_ref.name; + FuncSig *sig = find_func(ctx, fn_name); - zwarn_at(node->token, "%s\n = help: %s", msg, help); - } - } - fprintf(out, "%s", node->var_ref.name); - break; - case NODE_LAMBDA: - if (node->lambda.num_captures > 0) - { - fprintf(out, - "({ struct Lambda_%d_Ctx *ctx = malloc(sizeof(struct " - "Lambda_%d_Ctx));\n", - node->lambda.lambda_id, node->lambda.lambda_id); - for (int i = 0; i < node->lambda.num_captures; i++) - { - fprintf(out, "ctx->%s = ", node->lambda.captured_vars[i]); - int found = 0; - if (g_current_lambda) - { - for (int k = 0; k < g_current_lambda->lambda.num_captures; k++) - { - if (strcmp(node->lambda.captured_vars[i], - g_current_lambda->lambda.captured_vars[k]) == 0) - { - fprintf(out, "ctx->%s", node->lambda.captured_vars[i]); - found = 1; - break; - } - } - } - if (!found) - { - fprintf(out, "%s", node->lambda.captured_vars[i]); - } - fprintf(out, ";\n"); - } - fprintf(out, "(z_closure_T){.func = _lambda_%d, .ctx = ctx}; })", - node->lambda.lambda_id); - } - else - { - fprintf(out, "((z_closure_T){.func = (void*)_lambda_%d, .ctx = NULL})", - node->lambda.lambda_id); - } - break; - case NODE_EXPR_LITERAL: - if (node->literal.type_kind == TOK_STRING) - { - fprintf(out, "\"%s\"", node->literal.string_val); - } - else if (node->literal.type_kind == TOK_CHAR) - { - fprintf(out, "%s", node->literal.string_val); - } - else if (node->literal.type_kind == 1) - { - fprintf(out, "%f", node->literal.float_val); - } - - else - { - if (node->literal.int_val > 9223372036854775807ULL) - { - fprintf(out, "%lluULL", (unsigned long long)node->literal.int_val); - } - else - { - fprintf(out, "%llu", (unsigned long long)node->literal.int_val); - } - } - break; - case NODE_EXPR_CALL: - { - if (node->call.callee->type == NODE_EXPR_MEMBER) - { - ASTNode *target = node->call.callee->member.target; - char *method = node->call.callee->member.field; - - if (strcmp(method, "len") == 0) - { - if (target->type_info && target->type_info->kind == TYPE_ARRAY) - { - if (target->type_info->array_size > 0) - { - fprintf(out, "%d", target->type_info->array_size); - } - else - { - codegen_expression(ctx, target, out); - fprintf(out, ".len"); - } - return; - } - } - - char *type = infer_type(ctx, target); - if (type) - { - char *clean = xstrdup(type); - char *ptr = strchr(clean, '*'); - if (ptr) - { - *ptr = 0; - } - - char *base = clean; - if (strncmp(base, "struct ", 7) == 0) - { - base += 7; - } - - if (!strchr(type, '*') && target->type == NODE_EXPR_CALL) - { - fprintf(out, "({ %s _t = ", type); - codegen_expression(ctx, target, out); - fprintf(out, "; %s_%s(&_t", base, method); - ASTNode *arg = node->call.args; - while (arg) - { - fprintf(out, ", "); - codegen_expression(ctx, arg, out); - arg = arg->next; - } - fprintf(out, "); })"); - } - else - { - fprintf(out, "%s_%s(", base, method); - if (!strchr(type, '*')) - { - fprintf(out, "&"); - } - codegen_expression(ctx, target, out); - ASTNode *arg = node->call.args; - while (arg) - { - fprintf(out, ", "); - codegen_expression(ctx, arg, out); - arg = arg->next; - } - fprintf(out, ")"); - } - free(clean); - return; - } - } - if (node->call.callee->type == NODE_EXPR_VAR) - { - ASTNode *def = find_struct_def(ctx, node->call.callee->var_ref.name); - if (def && def->type == NODE_STRUCT) - { - fprintf(out, "(struct %s){0}", node->call.callee->var_ref.name); - return; - } - } + if (sig && sig->arg_types) { + for (int p = 0; p < sig->total_args; p++) { + ASTNode *arg = node->call.args; - if (node->call.callee->type_info && node->call.callee->type_info->kind == TYPE_FUNCTION) - { - fprintf(out, "({ z_closure_T _c = "); - codegen_expression(ctx, node->call.callee, out); - fprintf(out, "; "); - - Type *ft = node->call.callee->type_info; - char *ret = type_to_string(ft->inner); - if (strcmp(ret, "string") == 0) - { - free(ret); - ret = xstrdup("char*"); - } + for (int i = 0; i < node->call.arg_count && arg; + i++, arg = arg->next) { + if (node->call.arg_names[i] && p < node->call.arg_count) { - fprintf(out, "((%s (*)(void*", ret); - for (int i = 0; i < ft->arg_count; i++) - { - char *as = type_to_string(ft->args[i]); - fprintf(out, ", %s", as); - free(as); - } - if (ft->is_varargs) - { - fprintf(out, ", ..."); - } - fprintf(out, "))_c.func)(_c.ctx"); - - ASTNode *arg = node->call.args; - while (arg) - { - fprintf(out, ", "); - codegen_expression(ctx, arg, out); - arg = arg->next; + // For now, emit in order provided... } - fprintf(out, "); })"); - free(ret); - break; + } } + } - codegen_expression(ctx, node->call.callee, out); - fprintf(out, "("); - - if (node->call.arg_names && node->call.callee->type == NODE_EXPR_VAR) - { - char *fn_name = node->call.callee->var_ref.name; - FuncSig *sig = find_func(ctx, fn_name); - - if (sig && sig->arg_types) - { - for (int p = 0; p < sig->total_args; p++) - { - ASTNode *arg = node->call.args; - - for (int i = 0; i < node->call.arg_count && arg; i++, arg = arg->next) - { - if (node->call.arg_names[i] && p < node->call.arg_count) - { - - // For now, emit in order provided... - } - } - } - } - - ASTNode *arg = node->call.args; - int first = 1; - while (arg) - { - if (!first) - { - fprintf(out, ", "); - } - first = 0; - codegen_expression(ctx, arg, out); - arg = arg->next; - } - } - else - { - ASTNode *arg = node->call.args; - while (arg) - { - codegen_expression(ctx, arg, out); - if (arg->next) - { - fprintf(out, ", "); - } - arg = arg->next; - } + ASTNode *arg = node->call.args; + int first = 1; + while (arg) { + if (!first) { + fprintf(out, ", "); } - fprintf(out, ")"); - break; + first = 0; + codegen_expression(ctx, arg, out); + arg = arg->next; + } + } else { + ASTNode *arg = node->call.args; + while (arg) { + codegen_expression(ctx, arg, out); + if (arg->next) { + fprintf(out, ", "); + } + arg = arg->next; + } } - case NODE_EXPR_MEMBER: - if (strcmp(node->member.field, "len") == 0) - { - if (node->member.target->type_info) - { - if (node->member.target->type_info->kind == TYPE_ARRAY) - { - if (node->member.target->type_info->array_size > 0) - { - fprintf(out, "%d", node->member.target->type_info->array_size); - break; - } - } - } - } - - if (node->member.is_pointer_access == 2) - { - fprintf(out, "({ "); - emit_auto_type(ctx, node->member.target, node->token, out); - fprintf(out, " _t = ("); - codegen_expression(ctx, node->member.target, out); - fprintf(out, "); _t ? _t->%s : 0; })", node->member.field); - } - else - { - codegen_expression(ctx, node->member.target, out); - fprintf(out, "%s%s", node->member.is_pointer_access ? "->" : ".", node->member.field); - } - break; - case NODE_EXPR_INDEX: - { - int is_slice_struct = 0; - if (node->index.array->type_info) - { - if (node->index.array->type_info->kind == TYPE_ARRAY && - node->index.array->type_info->array_size == 0) - { - is_slice_struct = 1; - } - } - if (node->index.array->resolved_type) - { - if (strncmp(node->index.array->resolved_type, "Slice_", 6) == 0) - { - is_slice_struct = 1; - } - } - - if (is_slice_struct) - { - if (node->index.array->type == NODE_EXPR_VAR) - { - codegen_expression(ctx, node->index.array, out); - fprintf(out, ".data[_z_check_bounds("); - codegen_expression(ctx, node->index.index, out); - fprintf(out, ", "); - codegen_expression(ctx, node->index.array, out); - fprintf(out, ".len)]"); - } - else - { - codegen_expression(ctx, node->index.array, out); - fprintf(out, ".data["); - codegen_expression(ctx, node->index.index, out); - fprintf(out, "]"); - } + fprintf(out, ")"); + break; + } + case NODE_EXPR_MEMBER: + if (strcmp(node->member.field, "len") == 0) { + if (node->member.target->type_info) { + if (node->member.target->type_info->kind == TYPE_ARRAY) { + if (node->member.target->type_info->array_size > 0) { + fprintf(out, "%d", node->member.target->type_info->array_size); + break; + } } - else - { - int fixed_size = -1; - if (node->index.array->type_info && node->index.array->type_info->kind == TYPE_ARRAY) - { - fixed_size = node->index.array->type_info->array_size; - } + } + } - codegen_expression(ctx, node->index.array, out); - fprintf(out, "["); - if (fixed_size > 0) - { - fprintf(out, "_z_check_bounds("); - } - codegen_expression(ctx, node->index.index, out); - if (fixed_size > 0) - { - fprintf(out, ", %d)", fixed_size); - } - fprintf(out, "]"); - } + if (node->member.is_pointer_access == 2) { + fprintf(out, "({ "); + emit_auto_type(ctx, node->member.target, node->token, out); + fprintf(out, " _t = ("); + codegen_expression(ctx, node->member.target, out); + fprintf(out, "); _t ? _t->%s : 0; })", node->member.field); + } else { + codegen_expression(ctx, node->member.target, out); + fprintf(out, "%s%s", node->member.is_pointer_access ? "->" : ".", + node->member.field); } break; - case NODE_EXPR_SLICE: - { - int known_size = -1; - int is_slice_struct = 0; - if (node->slice.array->type_info) - { - if (node->slice.array->type_info->kind == TYPE_ARRAY) - { - known_size = node->slice.array->type_info->array_size; - if (known_size == 0) - { - is_slice_struct = 1; - } - } - } - - char *tname = "unknown"; - if (node->type_info && node->type_info->inner) - { - tname = type_to_string(node->type_info->inner); - } + case NODE_EXPR_INDEX: { + int is_slice_struct = 0; + if (node->index.array->type_info) { + if (node->index.array->type_info->kind == TYPE_ARRAY && + node->index.array->type_info->array_size == 0) { + is_slice_struct = 1; + } + } + if (node->index.array->resolved_type) { + if (strncmp(node->index.array->resolved_type, "Slice_", 6) == 0) { + is_slice_struct = 1; + } + } - fprintf(out, "({ "); - emit_auto_type(ctx, node->slice.array, node->token, out); - fprintf(out, " _arr = "); - codegen_expression(ctx, node->slice.array, out); - fprintf(out, "; int _start = "); - if (node->slice.start) - { - codegen_expression(ctx, node->slice.start, out); - } - else - { - fprintf(out, "0"); - } - fprintf(out, "; int _len = "); + if (is_slice_struct) { + if (node->index.array->type == NODE_EXPR_VAR) { + codegen_expression(ctx, node->index.array, out); + fprintf(out, ".data[_z_check_bounds("); + codegen_expression(ctx, node->index.index, out); + fprintf(out, ", "); + codegen_expression(ctx, node->index.array, out); + fprintf(out, ".len)]"); + } else { + codegen_expression(ctx, node->index.array, out); + fprintf(out, ".data["); + codegen_expression(ctx, node->index.index, out); + fprintf(out, "]"); + } + } else { + int fixed_size = -1; + if (node->index.array->type_info && + node->index.array->type_info->kind == TYPE_ARRAY) { + fixed_size = node->index.array->type_info->array_size; + } + + codegen_expression(ctx, node->index.array, out); + fprintf(out, "["); + if (fixed_size > 0) { + fprintf(out, "_z_check_bounds("); + } + codegen_expression(ctx, node->index.index, out); + if (fixed_size > 0) { + fprintf(out, ", %d)", fixed_size); + } + fprintf(out, "]"); + } + } break; + case NODE_EXPR_SLICE: { + int known_size = -1; + int is_slice_struct = 0; + if (node->slice.array->type_info) { + if (node->slice.array->type_info->kind == TYPE_ARRAY) { + known_size = node->slice.array->type_info->array_size; + if (known_size == 0) { + is_slice_struct = 1; + } + } + } - if (node->slice.end) - { - codegen_expression(ctx, node->slice.end, out); - fprintf(out, " - _start; "); - } - else - { - if (known_size > 0) - { - fprintf(out, "%d - _start; ", known_size); - } - else if (is_slice_struct) - { - fprintf(out, "_arr.len - _start; "); - } - else - { - fprintf(out, "/* UNSAFE: Full Slice on unknown size */ 0; "); - } - } + char *tname = "unknown"; + if (node->type_info && node->type_info->inner) { + tname = type_to_string(node->type_info->inner); + } - if (is_slice_struct) - { - fprintf(out, - "(Slice_%s){ .data = _arr.data + _start, .len = _len, .cap = " - "_len }; })", - tname); - } - else - { - fprintf(out, "(Slice_%s){ .data = _arr + _start, .len = _len, .cap = _len }; })", - tname); - } - break; + fprintf(out, "({ "); + emit_auto_type(ctx, node->slice.array, node->token, out); + fprintf(out, " _arr = "); + codegen_expression(ctx, node->slice.array, out); + fprintf(out, "; int _start = "); + if (node->slice.start) { + codegen_expression(ctx, node->slice.start, out); + } else { + fprintf(out, "0"); } - case NODE_BLOCK: - { - int saved = defer_count; - fprintf(out, "({ "); - codegen_walker(ctx, node->block.statements, out); - for (int i = defer_count - 1; i >= saved; i--) - { - codegen_node_single(ctx, defer_stack[i], out); - } - defer_count = saved; - fprintf(out, " })"); - break; + fprintf(out, "; int _len = "); + + if (node->slice.end) { + codegen_expression(ctx, node->slice.end, out); + fprintf(out, " - _start; "); + } else { + if (known_size > 0) { + fprintf(out, "%d - _start; ", known_size); + } else if (is_slice_struct) { + fprintf(out, "_arr.len - _start; "); + } else { + fprintf(out, "/* UNSAFE: Full Slice on unknown size */ 0; "); + } } - case NODE_TRY: - { - char *type_name = "Result"; - if (g_current_func_ret_type) - { - type_name = g_current_func_ret_type; - } - else if (node->try_stmt.expr->type_info && node->try_stmt.expr->type_info->name) - { - type_name = node->try_stmt.expr->type_info->name; - } - if (strcmp(type_name, "__auto_type") == 0 || strcmp(type_name, "unknown") == 0) - { - type_name = "Result"; - } + if (is_slice_struct) { + fprintf(out, + "(Slice_%s){ .data = _arr.data + _start, .len = _len, .cap = " + "_len }; })", + tname); + } else { + fprintf( + out, + "(Slice_%s){ .data = _arr + _start, .len = _len, .cap = _len }; })", + tname); + } + break; + } + case NODE_BLOCK: { + int saved = defer_count; + fprintf(out, "({ "); + codegen_walker(ctx, node->block.statements, out); + for (int i = defer_count - 1; i >= saved; i--) { + codegen_node_single(ctx, defer_stack[i], out); + } + defer_count = saved; + fprintf(out, " })"); + break; + } + case NODE_TRY: { + char *type_name = "Result"; + if (g_current_func_ret_type) { + type_name = g_current_func_ret_type; + } else if (node->try_stmt.expr->type_info && + node->try_stmt.expr->type_info->name) { + type_name = node->try_stmt.expr->type_info->name; + } - char *search_name = type_name; - if (strncmp(search_name, "struct ", 7) == 0) - { - search_name += 7; - } + if (strcmp(type_name, "__auto_type") == 0 || + strcmp(type_name, "unknown") == 0) { + type_name = "Result"; + } - int is_enum = 0; - StructRef *er = ctx->parsed_enums_list; - while (er) - { - if (er->node && er->node->type == NODE_ENUM && - strcmp(er->node->enm.name, search_name) == 0) - { - is_enum = 1; - break; - } - er = er->next; - } - if (!is_enum) - { - ASTNode *ins = ctx->instantiated_structs; - while (ins) - { - if (ins->type == NODE_ENUM && strcmp(ins->enm.name, search_name) == 0) - { - is_enum = 1; - break; - } - ins = ins->next; - } - } + char *search_name = type_name; + if (strncmp(search_name, "struct ", 7) == 0) { + search_name += 7; + } - fprintf(out, "({ "); - emit_auto_type(ctx, node->try_stmt.expr, node->token, out); - fprintf(out, " _try = "); - codegen_expression(ctx, node->try_stmt.expr, out); - - if (is_enum) - { - fprintf(out, - "; if (_try.tag == %s_Err_Tag) return (%s_Err(_try.data.Err)); " - "_try.data.Ok; })", - search_name, search_name); - } - else - { - fprintf(out, - "; if (!_try.is_ok) return %s_Err(_try.err); " - "_try.val; })", - search_name); - } + int is_enum = 0; + StructRef *er = ctx->parsed_enums_list; + while (er) { + if (er->node && er->node->type == NODE_ENUM && + strcmp(er->node->enm.name, search_name) == 0) { + is_enum = 1; break; + } + er = er->next; } - case NODE_RAW_STMT: - fprintf(out, "%s", node->raw_stmt.content); - break; - case NODE_PLUGIN: - { - // Plugin registry - declare external plugins - ZPlugin *found = zptr_find_plugin(node->plugin_stmt.plugin_name); - - if (found) - { - ZApi api = {.filename = g_current_filename ? g_current_filename : "input.zc", - .current_line = node->line, - .out = out, - .hoist_out = ctx->hoist_out}; - found->fn(node->plugin_stmt.body, &api); - } - else - { - fprintf(out, "/* Unknown plugin: %s */\n", node->plugin_stmt.plugin_name); - } - break; + if (!is_enum) { + ASTNode *ins = ctx->instantiated_structs; + while (ins) { + if (ins->type == NODE_ENUM && strcmp(ins->enm.name, search_name) == 0) { + is_enum = 1; + break; + } + ins = ins->next; + } } - case NODE_EXPR_UNARY: - if (node->unary.op && strcmp(node->unary.op, "&_rval") == 0) - { - fprintf(out, "({ "); - emit_auto_type(ctx, node->unary.operand, node->token, out); - fprintf(out, " _t = ("); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, "); &_t; })"); - } - else if (node->unary.op && strcmp(node->unary.op, "?") == 0) - { - fprintf(out, "({ "); - emit_auto_type(ctx, node->unary.operand, node->token, out); - fprintf(out, " _t = ("); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, "); if (_t.tag != 0) return _t; _t.data.Ok; })"); - } - else if (node->unary.op && strcmp(node->unary.op, "_post++") == 0) - { - fprintf(out, "("); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, "++)"); - } - else if (node->unary.op && strcmp(node->unary.op, "_post--") == 0) - { - fprintf(out, "("); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, "--)"); - } - else - { - fprintf(out, "(%s", node->unary.op); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, ")"); - } - break; - case NODE_EXPR_CAST: - fprintf(out, "(%s)(", node->cast.target_type); - codegen_expression(ctx, node->cast.expr, out); - fprintf(out, ")"); - break; - case NODE_EXPR_SIZEOF: - if (node->size_of.target_type) - { - fprintf(out, "sizeof(%s)", node->size_of.target_type); - } - else - { - fprintf(out, "sizeof("); - codegen_expression(ctx, node->size_of.expr, out); - fprintf(out, ")"); - } - break; - case NODE_TYPEOF: - if (node->size_of.target_type) - { - fprintf(out, "typeof(%s)", node->size_of.target_type); - } - else - { - fprintf(out, "typeof("); - codegen_expression(ctx, node->size_of.expr, out); - fprintf(out, ")"); - } - break; - - case NODE_REFLECTION: - { - Type *t = node->reflection.target_type; - if (node->reflection.kind == 0) - { // @type_name - char *s = type_to_string(t); - fprintf(out, "\"%s\"", s); - free(s); - } - else - { // @fields - if (t->kind != TYPE_STRUCT || !t->name) - { - fprintf(out, "((void*)0)"); - break; - } - char *sname = t->name; - // Find definition - ASTNode *def = find_struct_def(ctx, sname); - if (!def) - { - fprintf(out, "((void*)0)"); - break; - } - fprintf(out, - "({ static struct { char *name; char *type; unsigned long offset; } " - "_fields_%s[] = {", - sname); - ASTNode *f = def->strct.fields; - while (f) - { - if (f->type == NODE_FIELD) - { - fprintf(out, "{ \"%s\", \"%s\", __builtin_offsetof(struct %s, %s) }, ", - f->field.name, f->field.type, sname, f->field.name); - } - f = f->next; - } - fprintf(out, "{ 0 } }; (void*)_fields_%s; })", sname); - } - break; + fprintf(out, "({ "); + emit_auto_type(ctx, node->try_stmt.expr, node->token, out); + fprintf(out, " _try = "); + codegen_expression(ctx, node->try_stmt.expr, out); + + if (is_enum) { + fprintf(out, + "; if (_try.tag == %s_Err_Tag) return (%s_Err(_try.data.Err)); " + "_try.data.Ok; })", + search_name, search_name); + } else { + fprintf(out, + "; if (!_try.is_ok) return %s_Err(_try.err); " + "_try.val; })", + search_name); } - case NODE_EXPR_STRUCT_INIT: - { - const char *struct_name = node->struct_init.struct_name; - if (strcmp(struct_name, "Self") == 0 && g_current_impl_type) - { - struct_name = g_current_impl_type; - } - fprintf(out, "(struct %s){", struct_name); - ASTNode *f = node->struct_init.fields; - while (f) - { - fprintf(out, ".%s = ", f->var_decl.name); - codegen_expression(ctx, f->var_decl.init_expr, out); - if (f->next) - { - fprintf(out, ", "); - } - f = f->next; - } - fprintf(out, "}"); - break; + break; + } + case NODE_RAW_STMT: + fprintf(out, "%s", node->raw_stmt.content); + break; + case NODE_PLUGIN: { + // Plugin registry - declare external plugins + ZPlugin *found = zptr_find_plugin(node->plugin_stmt.plugin_name); + + if (found) { + ZApi api = {.filename = + g_current_filename ? g_current_filename : "input.zc", + .current_line = node->line, + .out = out, + .hoist_out = ctx->hoist_out}; + found->fn(node->plugin_stmt.body, &api); + } else { + fprintf(out, "/* Unknown plugin: %s */\n", node->plugin_stmt.plugin_name); } - case NODE_EXPR_ARRAY_LITERAL: - fprintf(out, "{"); - ASTNode *elem = node->array_literal.elements; - int first = 1; - while (elem) - { - if (!first) - { - fprintf(out, ", "); - } - codegen_expression(ctx, elem, out); - elem = elem->next; - first = 0; - } - fprintf(out, "}"); + break; + } + case NODE_EXPR_UNARY: + if (node->unary.op && strcmp(node->unary.op, "&_rval") == 0) { + fprintf(out, "({ "); + emit_auto_type(ctx, node->unary.operand, node->token, out); + fprintf(out, " _t = ("); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, "); &_t; })"); + } else if (node->unary.op && strcmp(node->unary.op, "?") == 0) { + fprintf(out, "({ "); + emit_auto_type(ctx, node->unary.operand, node->token, out); + fprintf(out, " _t = ("); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, "); if (_t.tag != 0) return _t; _t.data.Ok; })"); + } else if (node->unary.op && strcmp(node->unary.op, "_post++") == 0) { + fprintf(out, "("); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, "++)"); + } else if (node->unary.op && strcmp(node->unary.op, "_post--") == 0) { + fprintf(out, "("); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, "--)"); + } else { + fprintf(out, "(%s", node->unary.op); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, ")"); + } + break; + case NODE_EXPR_CAST: + fprintf(out, "(%s)(", node->cast.target_type); + codegen_expression(ctx, node->cast.expr, out); + fprintf(out, ")"); + break; + case NODE_EXPR_SIZEOF: + if (node->size_of.target_type) { + fprintf(out, "sizeof(%s)", node->size_of.target_type); + } else { + fprintf(out, "sizeof("); + codegen_expression(ctx, node->size_of.expr, out); + fprintf(out, ")"); + } + break; + case NODE_TYPEOF: + if (node->size_of.target_type) { + fprintf(out, "typeof(%s)", node->size_of.target_type); + } else { + fprintf(out, "typeof("); + codegen_expression(ctx, node->size_of.expr, out); + fprintf(out, ")"); + } + break; + + case NODE_REFLECTION: { + Type *t = node->reflection.target_type; + if (node->reflection.kind == 0) { // @type_name + char *s = type_to_string(t); + fprintf(out, "\"%s\"", s); + free(s); + } else { // @fields + if (t->kind != TYPE_STRUCT || !t->name) { + fprintf(out, "((void*)0)"); break; - case NODE_TERNARY: - fprintf(out, "(("); - codegen_expression(ctx, node->ternary.cond, out); - fprintf(out, ") ? ("); - codegen_expression(ctx, node->ternary.true_expr, out); - fprintf(out, ") : ("); - codegen_expression(ctx, node->ternary.false_expr, out); - fprintf(out, "))"); + } + char *sname = t->name; + // Find definition + ASTNode *def = find_struct_def(ctx, sname); + if (!def) { + fprintf(out, "((void*)0)"); break; - case NODE_AWAIT: - { - char *ret_type = "void*"; - int free_ret = 0; - if (node->type_info) - { - char *t = type_to_string(node->type_info); - if (t) - { - ret_type = t; - free_ret = 1; - } - } - else if (node->resolved_type) - { - ret_type = node->resolved_type; - } + } + + fprintf( + out, + "({ static struct { char *name; char *type; unsigned long offset; } " + "_fields_%s[] = {", + sname); + ASTNode *f = def->strct.fields; + while (f) { + if (f->type == NODE_FIELD) { + fprintf(out, + "{ \"%s\", \"%s\", __builtin_offsetof(struct %s, %s) }, ", + f->field.name, f->field.type, sname, f->field.name); + } + f = f->next; + } + fprintf(out, "{ 0 } }; (void*)_fields_%s; })", sname); + } + break; + } + case NODE_EXPR_STRUCT_INIT: { + const char *struct_name = node->struct_init.struct_name; + if (strcmp(struct_name, "Self") == 0 && g_current_impl_type) { + struct_name = g_current_impl_type; + } + fprintf(out, "(struct %s){", struct_name); + ASTNode *f = node->struct_init.fields; + while (f) { + fprintf(out, ".%s = ", f->var_decl.name); + codegen_expression(ctx, f->var_decl.init_expr, out); + if (f->next) { + fprintf(out, ", "); + } + f = f->next; + } + fprintf(out, "}"); + break; + } + case NODE_EXPR_ARRAY_LITERAL: + fprintf(out, "{"); + ASTNode *elem = node->array_literal.elements; + int first = 1; + while (elem) { + if (!first) { + fprintf(out, ", "); + } + codegen_expression(ctx, elem, out); + elem = elem->next; + first = 0; + } + fprintf(out, "}"); + break; + case NODE_TERNARY: + fprintf(out, "(("); + codegen_expression(ctx, node->ternary.cond, out); + fprintf(out, ") ? ("); + codegen_expression(ctx, node->ternary.true_expr, out); + fprintf(out, ") : ("); + codegen_expression(ctx, node->ternary.false_expr, out); + fprintf(out, "))"); + break; + case NODE_AWAIT: { + char *ret_type = "void*"; + int free_ret = 0; + if (node->type_info) { + char *t = type_to_string(node->type_info); + if (t) { + ret_type = t; + free_ret = 1; + } + } else if (node->resolved_type) { + ret_type = node->resolved_type; + } - if (strcmp(ret_type, "Async") == 0 || strcmp(ret_type, "void*") == 0) - { - char *inf = infer_type(ctx, node); - if (inf && strcmp(inf, "Async") != 0 && strcmp(inf, "void*") != 0) - { - if (free_ret) - { - free(ret_type); - } - ret_type = inf; - free_ret = 0; - } + if (strcmp(ret_type, "Async") == 0 || strcmp(ret_type, "void*") == 0) { + char *inf = infer_type(ctx, node); + if (inf && strcmp(inf, "Async") != 0 && strcmp(inf, "void*") != 0) { + if (free_ret) { + free(ret_type); } + ret_type = inf; + free_ret = 0; + } + } - int needs_long_cast = 0; - int returns_struct = 0; - if (strstr(ret_type, "*") == NULL && strcmp(ret_type, "string") != 0 && - strcmp(ret_type, "void") != 0 && strcmp(ret_type, "Async") != 0) - { - if (strcmp(ret_type, "int") != 0 && strcmp(ret_type, "bool") != 0 && - strcmp(ret_type, "char") != 0 && strcmp(ret_type, "float") != 0 && - strcmp(ret_type, "double") != 0 && strcmp(ret_type, "long") != 0 && - strcmp(ret_type, "usize") != 0 && strcmp(ret_type, "isize") != 0 && - strncmp(ret_type, "uint", 4) != 0 && strncmp(ret_type, "int", 3) != 0) - { - returns_struct = 1; - } - else - { - needs_long_cast = 1; - } - if (strncmp(ret_type, "struct", 6) == 0) - { - returns_struct = 1; - } - } + int needs_long_cast = 0; + int returns_struct = 0; + if (strstr(ret_type, "*") == NULL && strcmp(ret_type, "string") != 0 && + strcmp(ret_type, "void") != 0 && strcmp(ret_type, "Async") != 0) { + if (strcmp(ret_type, "int") != 0 && strcmp(ret_type, "bool") != 0 && + strcmp(ret_type, "char") != 0 && strcmp(ret_type, "float") != 0 && + strcmp(ret_type, "double") != 0 && strcmp(ret_type, "long") != 0 && + strcmp(ret_type, "usize") != 0 && strcmp(ret_type, "isize") != 0 && + strncmp(ret_type, "uint", 4) != 0 && + strncmp(ret_type, "int", 3) != 0) { + returns_struct = 1; + } else { + needs_long_cast = 1; + } + if (strncmp(ret_type, "struct", 6) == 0) { + returns_struct = 1; + } + } - fprintf(out, "({ Async _a = "); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, "; void* _r; pthread_join(_a.thread, &_r); "); - if (strcmp(ret_type, "void") == 0) - { - fprintf(out, "})"); - } - else - { - if (returns_struct) - { - fprintf(out, "%s _val = *(%s*)_r; free(_r); _val; })", ret_type, ret_type); - } - else - { - if (needs_long_cast) - { - fprintf(out, "(%s)(long)_r; })", ret_type); - } - else - { - fprintf(out, "(%s)_r; })", ret_type); - } - } - } - if (free_ret) - { - free(ret_type); - } - break; + fprintf(out, "({ Async _a = "); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, "; void* _r; pthread_join(_a.thread, &_r); "); + if (strcmp(ret_type, "void") == 0) { + fprintf(out, "})"); + } else { + if (returns_struct) { + fprintf(out, "%s _val = *(%s*)_r; free(_r); _val; })", ret_type, + ret_type); + } else { + if (needs_long_cast) { + fprintf(out, "(%s)(long)_r; })", ret_type); + } else { + fprintf(out, "(%s)_r; })", ret_type); + } + } } - default: - break; + if (free_ret) { + free(ret_type); } + break; + } + default: + break; + } } -void codegen_node_single(ParserContext *ctx, ASTNode *node, FILE *out) -{ - if (!node) - { - return; +void codegen_node_single(ParserContext *ctx, ASTNode *node, FILE *out) { + if (!node) { + return; + } + switch (node->type) { + case NODE_MATCH: + codegen_match_internal(ctx, node, out, 0); // 0 = statement context + fprintf(out, ";\n"); + break; + case NODE_FUNCTION: + if (!node->func.body) { + break; } - switch (node->type) - { - case NODE_MATCH: - codegen_match_internal(ctx, node, out, 0); // 0 = statement context - fprintf(out, ";\n"); - break; - case NODE_FUNCTION: - if (!node->func.body) - { - break; - } - if (node->func.is_async) - { - fprintf(out, "struct %s_Args {\n", node->func.name); - char *args_copy = xstrdup(node->func.args); - char *token = strtok(args_copy, ","); - int arg_count = 0; - char **arg_names = xmalloc(32 * sizeof(char *)); - - while (token) - { - while (*token == ' ') - { - token++; // trim leading - } - char *last_space = strrchr(token, ' '); - if (last_space) - { - *last_space = 0; - char *type = token; - char *name = last_space + 1; - fprintf(out, "%s %s;\n", type, name); - - arg_names[arg_count++] = xstrdup(name); - } - token = strtok(NULL, ","); - } - free(args_copy); - fprintf(out, "};\n"); - - fprintf(out, "void* _runner_%s(void* _args)\n", node->func.name); - fprintf(out, "{\n"); - fprintf(out, " struct %s_Args* args = (struct %s_Args*)_args;\n", node->func.name, - node->func.name); - - // Determine mechanism: struct/large-type? -> malloc; primitive -> cast - int returns_struct = 0; - char *rt = node->func.ret_type; - if (strcmp(rt, "void") != 0 && strcmp(rt, "Async") != 0) - { - if (strstr(rt, "*") == NULL && strcmp(rt, "string") != 0 && - strcmp(rt, "int") != 0 && strcmp(rt, "bool") != 0 && strcmp(rt, "char") != 0 && - strcmp(rt, "float") != 0 && strcmp(rt, "double") != 0 && - strcmp(rt, "long") != 0 && strcmp(rt, "usize") != 0 && - strcmp(rt, "isize") != 0 && strncmp(rt, "uint", 4) != 0 && - strncmp(rt, "int", 3) != 0) - { - returns_struct = 1; - } - } - - // Call Impl - if (returns_struct) - { - fprintf(out, " %s *res_ptr = malloc(sizeof(%s));\n", rt, rt); - fprintf(out, " *res_ptr = "); - } - else if (strcmp(rt, "void") != 0 && strcmp(rt, "Async") != 0) - { - fprintf(out, " %s res = ", rt); - } - else - { - fprintf(out, " "); - } - - fprintf(out, "_impl_%s(", node->func.name); - for (int i = 0; i < arg_count; i++) - { - fprintf(out, "%sargs->%s", i > 0 ? ", " : "", arg_names[i]); - } - fprintf(out, ");\n"); - fprintf(out, " free(args);\n"); - - if (returns_struct) - { - fprintf(out, " return (void*)res_ptr;\n"); - } - else if (strcmp(rt, "void") != 0) - { - fprintf(out, " return (void*)(long)res;\n"); - } - else - { - fprintf(out, " return NULL;\n"); - } - fprintf(out, "}\n"); - - fprintf(out, "%s _impl_%s(%s)\n", node->func.ret_type, node->func.name, - node->func.args); - fprintf(out, "{\n"); - defer_count = 0; - codegen_walker(ctx, node->func.body, out); - for (int i = defer_count - 1; i >= 0; i--) - { - codegen_node_single(ctx, defer_stack[i], out); - } - fprintf(out, "}\n"); - - // 4. Define Public Wrapper (Spawns Thread) - fprintf(out, "Async %s(%s)\n", node->func.name, node->func.args); - fprintf(out, "{\n"); - fprintf(out, " struct %s_Args* args = malloc(sizeof(struct %s_Args));\n", - node->func.name, node->func.name); - for (int i = 0; i < arg_count; i++) - { - fprintf(out, " args->%s = %s;\n", arg_names[i], arg_names[i]); - } + if (node->func.is_async) { + fprintf(out, "struct %s_Args {\n", node->func.name); + char *args_copy = xstrdup(node->func.args); + char *token = strtok(args_copy, ","); + int arg_count = 0; + char **arg_names = xmalloc(32 * sizeof(char *)); + + while (token) { + while (*token == ' ') { + token++; // trim leading + } + char *last_space = strrchr(token, ' '); + if (last_space) { + *last_space = 0; + char *type = token; + char *name = last_space + 1; + fprintf(out, "%s %s;\n", type, name); + + arg_names[arg_count++] = xstrdup(name); + } + token = strtok(NULL, ","); + } + free(args_copy); + fprintf(out, "};\n"); + + fprintf(out, "void* _runner_%s(void* _args)\n", node->func.name); + fprintf(out, "{\n"); + fprintf(out, " struct %s_Args* args = (struct %s_Args*)_args;\n", + node->func.name, node->func.name); + + // Determine mechanism: struct/large-type? -> malloc; primitive -> cast + int returns_struct = 0; + char *rt = node->func.ret_type; + if (strcmp(rt, "void") != 0 && strcmp(rt, "Async") != 0) { + if (strstr(rt, "*") == NULL && strcmp(rt, "string") != 0 && + strcmp(rt, "int") != 0 && strcmp(rt, "bool") != 0 && + strcmp(rt, "char") != 0 && strcmp(rt, "float") != 0 && + strcmp(rt, "double") != 0 && strcmp(rt, "long") != 0 && + strcmp(rt, "usize") != 0 && strcmp(rt, "isize") != 0 && + strncmp(rt, "uint", 4) != 0 && strncmp(rt, "int", 3) != 0) { + returns_struct = 1; + } + } + + // Call Impl + if (returns_struct) { + fprintf(out, " %s *res_ptr = malloc(sizeof(%s));\n", rt, rt); + fprintf(out, " *res_ptr = "); + } else if (strcmp(rt, "void") != 0 && strcmp(rt, "Async") != 0) { + fprintf(out, " %s res = ", rt); + } else { + fprintf(out, " "); + } + + fprintf(out, "_impl_%s(", node->func.name); + for (int i = 0; i < arg_count; i++) { + fprintf(out, "%sargs->%s", i > 0 ? ", " : "", arg_names[i]); + } + fprintf(out, ");\n"); + fprintf(out, " free(args);\n"); + + if (returns_struct) { + fprintf(out, " return (void*)res_ptr;\n"); + } else if (strcmp(rt, "void") != 0) { + fprintf(out, " return (void*)(long)res;\n"); + } else { + fprintf(out, " return NULL;\n"); + } + fprintf(out, "}\n"); + + fprintf(out, "%s _impl_%s(%s)\n", node->func.ret_type, node->func.name, + node->func.args); + fprintf(out, "{\n"); + defer_count = 0; + codegen_walker(ctx, node->func.body, out); + for (int i = defer_count - 1; i >= 0; i--) { + codegen_node_single(ctx, defer_stack[i], out); + } + fprintf(out, "}\n"); + + // 4. Define Public Wrapper (Spawns Thread) + fprintf(out, "Async %s(%s)\n", node->func.name, node->func.args); + fprintf(out, "{\n"); + fprintf(out, + " struct %s_Args* args = malloc(sizeof(struct %s_Args));\n", + node->func.name, node->func.name); + for (int i = 0; i < arg_count; i++) { + fprintf(out, " args->%s = %s;\n", arg_names[i], arg_names[i]); + } + + fprintf(out, " pthread_t th;\n"); + fprintf(out, " pthread_create(&th, NULL, _runner_%s, args);\n", + node->func.name); + fprintf(out, " return (Async){.thread=th, .result=NULL};\n"); + fprintf(out, "}\n"); + + break; + } - fprintf(out, " pthread_t th;\n"); - fprintf(out, " pthread_create(&th, NULL, _runner_%s, args);\n", node->func.name); - fprintf(out, " return (Async){.thread=th, .result=NULL};\n"); - fprintf(out, "}\n"); + defer_count = 0; + fprintf(out, "\n"); - break; + // Emit GCC attributes before function + { + int has_attrs = node->func.constructor || node->func.destructor || + node->func.noinline || node->func.unused || + node->func.weak || node->func.cold || node->func.hot || + node->func.noreturn || node->func.pure || + node->func.section; + if (has_attrs) { + fprintf(out, "__attribute__(("); + int first = 1; +#define EMIT_ATTR(cond, name) \ + if (cond) { \ + if (!first) \ + fprintf(out, ", "); \ + fprintf(out, name); \ + first = 0; \ + } + EMIT_ATTR(node->func.constructor, "constructor"); + EMIT_ATTR(node->func.destructor, "destructor"); + EMIT_ATTR(node->func.noinline, "noinline"); + EMIT_ATTR(node->func.unused, "unused"); + EMIT_ATTR(node->func.weak, "weak"); + EMIT_ATTR(node->func.cold, "cold"); + EMIT_ATTR(node->func.hot, "hot"); + EMIT_ATTR(node->func.noreturn, "noreturn"); + EMIT_ATTR(node->func.pure, "pure"); + if (node->func.section) { + if (!first) { + fprintf(out, ", "); + } + fprintf(out, "section(\"%s%s%s\")", SEGMENT_NAME_PREFIX, + node->func.section, SEGMENT_NAME_SUFFIX); } - - defer_count = 0; - fprintf(out, "\n"); - - // Emit GCC attributes before function - { - int has_attrs = node->func.constructor || node->func.destructor || - node->func.noinline || node->func.unused || node->func.weak || - node->func.cold || node->func.hot || node->func.noreturn || - node->func.pure || node->func.section; - if (has_attrs) - { - fprintf(out, "__attribute__(("); - int first = 1; -#define EMIT_ATTR(cond, name) \ - if (cond) \ - { \ - if (!first) \ - fprintf(out, ", "); \ - fprintf(out, name); \ - first = 0; \ - } - EMIT_ATTR(node->func.constructor, "constructor"); - EMIT_ATTR(node->func.destructor, "destructor"); - EMIT_ATTR(node->func.noinline, "noinline"); - EMIT_ATTR(node->func.unused, "unused"); - EMIT_ATTR(node->func.weak, "weak"); - EMIT_ATTR(node->func.cold, "cold"); - EMIT_ATTR(node->func.hot, "hot"); - EMIT_ATTR(node->func.noreturn, "noreturn"); - EMIT_ATTR(node->func.pure, "pure"); - if (node->func.section) - { - if (!first) - { - fprintf(out, ", "); - } - fprintf(out, "section(\"%s%s%s\")", SEGMENT_NAME_PREFIX, node->func.section, SEGMENT_NAME_SUFFIX); - } #undef EMIT_ATTR - fprintf(out, ")) "); - } - } - - if (node->func.is_inline) - { - fprintf(out, "inline "); - } - fprintf(out, "%s %s(%s)\n", node->func.ret_type, node->func.name, node->func.args); - fprintf(out, "{\n"); - char *prev_ret = g_current_func_ret_type; - g_current_func_ret_type = node->func.ret_type; - codegen_walker(ctx, node->func.body, out); - for (int i = defer_count - 1; i >= 0; i--) - { - codegen_node_single(ctx, defer_stack[i], out); - } - g_current_func_ret_type = prev_ret; - fprintf(out, "}\n"); - break; - - case NODE_DEFER: - if (defer_count < MAX_DEFER) - { - defer_stack[defer_count++] = node->defer_stmt.stmt; - } - break; - case NODE_IMPL: - g_current_impl_type = node->impl.struct_name; - codegen_walker(ctx, node->impl.methods, out); - g_current_impl_type = NULL; - break; - case NODE_IMPL_TRAIT: - g_current_impl_type = node->impl_trait.target_type; - codegen_walker(ctx, node->impl_trait.methods, out); - - if (strcmp(node->impl_trait.trait_name, "Drop") == 0) - { - char *tname = node->impl_trait.target_type; - fprintf(out, "\n// RAII Glue\n"); - fprintf(out, "void %s_Drop_glue(%s *self) {\n", tname, tname); - fprintf(out, " %s_Drop_drop(self);\n", tname); - fprintf(out, "}\n"); - } - g_current_impl_type = NULL; - break; - case NODE_DESTRUCT_VAR: - { - int id = tmp_counter++; - fprintf(out, " "); - emit_auto_type(ctx, node->destruct.init_expr, node->token, out); - fprintf(out, " _tmp_%d = ", id); - codegen_expression(ctx, node->destruct.init_expr, out); - fprintf(out, ";\n"); - - if (node->destruct.is_guard) - { - // var Some(val) = opt else ... - char *variant = node->destruct.guard_variant; - char *check = "val"; // field to access - - if (strcmp(variant, "Some") == 0) - { - fprintf(out, " if (!_tmp_%d.is_some) {\n", id); - } - else if (strcmp(variant, "Ok") == 0) - { - fprintf(out, " if (!_tmp_%d.is_ok) {\n", id); - } - else if (strcmp(variant, "Err") == 0) - { - fprintf(out, " if (_tmp_%d.is_ok) {\n", id); // Err if NOT ok - check = "err"; - } - else - { - // Generic guard? Assume .is_variant present? - fprintf(out, " if (!_tmp_%d.is_%s) {\n", id, variant); - } + fprintf(out, ")) "); + } + } - // Else block - codegen_walker(ctx, node->destruct.else_block->block.statements, out); - fprintf(out, " }\n"); + if (node->func.is_inline) { + fprintf(out, "inline "); + } + fprintf(out, "%s %s(%s)\n", node->func.ret_type, node->func.name, + node->func.args); + fprintf(out, "{\n"); + char *prev_ret = g_current_func_ret_type; + g_current_func_ret_type = node->func.ret_type; + codegen_walker(ctx, node->func.body, out); + for (int i = defer_count - 1; i >= 0; i--) { + codegen_node_single(ctx, defer_stack[i], out); + } + g_current_func_ret_type = prev_ret; + fprintf(out, "}\n"); + break; - // Bind value - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, " __typeof__(_tmp_%d.%s) %s = _tmp_%d.%s;\n", id, check, - node->destruct.names[0], id, check); - } - else - { - fprintf(out, " __auto_type %s = _tmp_%d.%s;\n", node->destruct.names[0], id, - check); - } - } - else - { - for (int i = 0; i < node->destruct.count; i++) - { - if (node->destruct.is_struct_destruct) - { - char *field = node->destruct.field_names ? node->destruct.field_names[i] - : node->destruct.names[i]; - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, " __typeof__(_tmp_%d.%s) %s = _tmp_%d.%s;\n", id, field, - node->destruct.names[i], id, field); - } - else - { - fprintf(out, " __auto_type %s = _tmp_%d.%s;\n", node->destruct.names[i], - id, field); - } - } - else - { - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, " __typeof__(_tmp_%d.v%d) %s = _tmp_%d.v%d;\n", id, i, - node->destruct.names[i], id, i); - } - else - { - fprintf(out, " __auto_type %s = _tmp_%d.v%d;\n", node->destruct.names[i], - id, i); - } - } - } - } - break; + case NODE_DEFER: + if (defer_count < MAX_DEFER) { + defer_stack[defer_count++] = node->defer_stmt.stmt; + } + break; + case NODE_IMPL: + g_current_impl_type = node->impl.struct_name; + codegen_walker(ctx, node->impl.methods, out); + g_current_impl_type = NULL; + break; + case NODE_IMPL_TRAIT: + g_current_impl_type = node->impl_trait.target_type; + codegen_walker(ctx, node->impl_trait.methods, out); + + if (strcmp(node->impl_trait.trait_name, "Drop") == 0) { + char *tname = node->impl_trait.target_type; + fprintf(out, "\n// RAII Glue\n"); + fprintf(out, "void %s_Drop_glue(%s *self) {\n", tname, tname); + fprintf(out, " %s_Drop_drop(self);\n", tname); + fprintf(out, "}\n"); + } + g_current_impl_type = NULL; + break; + case NODE_DESTRUCT_VAR: { + int id = tmp_counter++; + fprintf(out, " "); + emit_auto_type(ctx, node->destruct.init_expr, node->token, out); + fprintf(out, " _tmp_%d = ", id); + codegen_expression(ctx, node->destruct.init_expr, out); + fprintf(out, ";\n"); + + if (node->destruct.is_guard) { + // var Some(val) = opt else ... + char *variant = node->destruct.guard_variant; + char *check = "val"; // field to access + + if (strcmp(variant, "Some") == 0) { + fprintf(out, " if (!_tmp_%d.is_some) {\n", id); + } else if (strcmp(variant, "Ok") == 0) { + fprintf(out, " if (!_tmp_%d.is_ok) {\n", id); + } else if (strcmp(variant, "Err") == 0) { + fprintf(out, " if (_tmp_%d.is_ok) {\n", id); // Err if NOT ok + check = "err"; + } else { + // Generic guard? Assume .is_variant present? + fprintf(out, " if (!_tmp_%d.is_%s) {\n", id, variant); + } + + // Else block + codegen_walker(ctx, node->destruct.else_block->block.statements, out); + fprintf(out, " }\n"); + + // Bind value + if (strstr(g_config.cc, "tcc")) { + fprintf(out, " __typeof__(_tmp_%d.%s) %s = _tmp_%d.%s;\n", id, check, + node->destruct.names[0], id, check); + } else { + fprintf(out, " __auto_type %s = _tmp_%d.%s;\n", + node->destruct.names[0], id, check); + } + } else { + for (int i = 0; i < node->destruct.count; i++) { + if (node->destruct.is_struct_destruct) { + char *field = node->destruct.field_names + ? node->destruct.field_names[i] + : node->destruct.names[i]; + if (strstr(g_config.cc, "tcc")) { + fprintf(out, " __typeof__(_tmp_%d.%s) %s = _tmp_%d.%s;\n", id, + field, node->destruct.names[i], id, field); + } else { + fprintf(out, " __auto_type %s = _tmp_%d.%s;\n", + node->destruct.names[i], id, field); + } + } else { + if (strstr(g_config.cc, "tcc")) { + fprintf(out, " __typeof__(_tmp_%d.v%d) %s = _tmp_%d.v%d;\n", id, + i, node->destruct.names[i], id, i); + } else { + fprintf(out, " __auto_type %s = _tmp_%d.v%d;\n", + node->destruct.names[i], id, i); + } + } + } + } + break; + } + case NODE_BLOCK: { + int saved = defer_count; + fprintf(out, " {\n"); + codegen_walker(ctx, node->block.statements, out); + for (int i = defer_count - 1; i >= saved; i--) { + codegen_node_single(ctx, defer_stack[i], out); + } + defer_count = saved; + fprintf(out, " }\n"); + break; + } + case NODE_VAR_DECL: + fprintf(out, " "); + if (node->var_decl.is_static) { + fprintf(out, "static "); + } + if (node->var_decl.is_autofree) { + fprintf(out, "__attribute__((cleanup(_z_autofree_impl))) "); } - case NODE_BLOCK: { - int saved = defer_count; - fprintf(out, " {\n"); - codegen_walker(ctx, node->block.statements, out); - for (int i = defer_count - 1; i >= saved; i--) - { - codegen_node_single(ctx, defer_stack[i], out); - } - defer_count = saved; - fprintf(out, " }\n"); - break; + char *tname = NULL; + Type *tinfo = node->var_decl.type_info; + if (tinfo && tinfo->name) { + tname = tinfo->name; + } else if (node->var_decl.type_str && + strcmp(node->var_decl.type_str, "__auto_type") != 0) { + tname = node->var_decl.type_str; + } + + if (tname) { + ASTNode *def = find_struct_def(ctx, tname); + if (def && def->type_info && def->type_info->has_drop) { + fprintf(out, "__attribute__((cleanup(%s_Drop_glue))) ", tname); + } + } } - case NODE_VAR_DECL: - fprintf(out, " "); - if (node->var_decl.is_static) - { - fprintf(out, "static "); - } - if (node->var_decl.is_autofree) - { - fprintf(out, "__attribute__((cleanup(_z_autofree_impl))) "); - } - { - char *tname = NULL; - Type *tinfo = node->var_decl.type_info; - if (tinfo && tinfo->name) - { - tname = tinfo->name; - } - else if (node->var_decl.type_str && strcmp(node->var_decl.type_str, "__auto_type") != 0) - { - tname = node->var_decl.type_str; - } - - if (tname) - { - ASTNode *def = find_struct_def(ctx, tname); - if (def && def->type_info && def->type_info->has_drop) - { - fprintf(out, "__attribute__((cleanup(%s_Drop_glue))) ", tname); - } - } - } - if (node->var_decl.type_str && strcmp(node->var_decl.type_str, "__auto_type") != 0) - { - emit_var_decl_type(ctx, out, node->var_decl.type_str, node->var_decl.name); - add_symbol(ctx, node->var_decl.name, node->var_decl.type_str, node->var_decl.type_info); - if (node->var_decl.init_expr) - { - fprintf(out, " = "); - codegen_expression(ctx, node->var_decl.init_expr, out); - } - fprintf(out, ";\n"); - } - else - { - char *inferred = NULL; - if (node->var_decl.init_expr) - { - inferred = infer_type(ctx, node->var_decl.init_expr); - } - - if (inferred && strcmp(inferred, "__auto_type") != 0) - { - emit_var_decl_type(ctx, out, inferred, node->var_decl.name); - add_symbol(ctx, node->var_decl.name, inferred, NULL); - } - else - { - emit_auto_type(ctx, node->var_decl.init_expr, node->token, out); - fprintf(out, " %s", node->var_decl.name); - - if (inferred) - { - add_symbol(ctx, node->var_decl.name, inferred, NULL); - } - else - { - // Here we are cooked. - } - } - - fprintf(out, " = "); - codegen_expression(ctx, node->var_decl.init_expr, out); - fprintf(out, ";\n"); - } - break; - case NODE_CONST: - fprintf(out, " const "); - if (node->var_decl.type_str) - { - fprintf(out, "%s %s", node->var_decl.type_str, node->var_decl.name); - } - else - { - emit_auto_type(ctx, node->var_decl.init_expr, node->token, out); - fprintf(out, " %s", node->var_decl.name); - } + if (node->var_decl.type_str && + strcmp(node->var_decl.type_str, "__auto_type") != 0) { + emit_var_decl_type(ctx, out, node->var_decl.type_str, + node->var_decl.name); + add_symbol(ctx, node->var_decl.name, node->var_decl.type_str, + node->var_decl.type_info); + if (node->var_decl.init_expr) { fprintf(out, " = "); codegen_expression(ctx, node->var_decl.init_expr, out); - fprintf(out, ";\n"); - break; - case NODE_FIELD: - if (node->field.bit_width > 0) - { - fprintf(out, " %s %s : %d;\n", node->field.type, node->field.name, - node->field.bit_width); - } - else - { - fprintf(out, " "); - emit_var_decl_type(ctx, out, node->field.type, node->field.name); - fprintf(out, ";\n"); - } - break; - case NODE_IF: - fprintf(out, "if ("); - codegen_expression(ctx, node->if_stmt.condition, out); - fprintf(out, ") "); - codegen_node_single(ctx, node->if_stmt.then_body, out); - if (node->if_stmt.else_body) - { - fprintf(out, " else "); - codegen_node_single(ctx, node->if_stmt.else_body, out); - } - break; - case NODE_UNLESS: - fprintf(out, "if (!("); - codegen_expression(ctx, node->unless_stmt.condition, out); - fprintf(out, ")) "); - codegen_node_single(ctx, node->unless_stmt.body, out); - break; - case NODE_GUARD: - fprintf(out, "if (!("); - codegen_expression(ctx, node->guard_stmt.condition, out); - fprintf(out, ")) "); - codegen_node_single(ctx, node->guard_stmt.body, out); - break; - case NODE_WHILE: - fprintf(out, "while ("); - codegen_expression(ctx, node->while_stmt.condition, out); - fprintf(out, ") "); - codegen_node_single(ctx, node->while_stmt.body, out); - break; - case NODE_FOR: - fprintf(out, "for ("); - if (node->for_stmt.init) - { - if (node->for_stmt.init->type == NODE_VAR_DECL) - { - ASTNode *v = node->for_stmt.init; - if (v->var_decl.type_str && strcmp(v->var_decl.type_str, "__auto_type") != 0) - { - fprintf(out, "%s %s = (%s)(", v->var_decl.type_str, v->var_decl.name, - v->var_decl.type_str); - codegen_expression(ctx, v->var_decl.init_expr, out); - fprintf(out, ")"); - } - else - { - emit_auto_type(ctx, v->var_decl.init_expr, v->token, out); - fprintf(out, " %s = ", v->var_decl.name); - codegen_expression(ctx, v->var_decl.init_expr, out); - } - } - else - { - codegen_expression(ctx, node->for_stmt.init, out); - } - } - fprintf(out, "; "); - if (node->for_stmt.condition) - { - codegen_expression(ctx, node->for_stmt.condition, out); - } - fprintf(out, "; "); - if (node->for_stmt.step) - { - codegen_expression(ctx, node->for_stmt.step, out); - } - fprintf(out, ") "); - codegen_node_single(ctx, node->for_stmt.body, out); - break; - case NODE_BREAK: - if (node->break_stmt.target_label) - { - fprintf(out, "goto __break_%s;\n", node->break_stmt.target_label); - } - else - { - fprintf(out, "break;\n"); - } - break; - case NODE_CONTINUE: - if (node->continue_stmt.target_label) - { - fprintf(out, "goto __continue_%s;\n", node->continue_stmt.target_label); - } - else - { - fprintf(out, "continue;\n"); - } - break; - case NODE_GOTO: - if (node->goto_stmt.goto_expr) - { - // Computed goto: goto *expr; - fprintf(out, "goto *("); - codegen_expression(ctx, node->goto_stmt.goto_expr, out); - fprintf(out, ");\n"); - } - else - { - fprintf(out, "goto %s;\n", node->goto_stmt.label_name); - } - break; - case NODE_LABEL: - fprintf(out, "%s:;\n", node->label_stmt.label_name); - break; - case NODE_DO_WHILE: - fprintf(out, "do "); - codegen_node_single(ctx, node->do_while_stmt.body, out); - fprintf(out, " while ("); - codegen_expression(ctx, node->do_while_stmt.condition, out); - fprintf(out, ");\n"); - break; - // Loop constructs: loop, repeat, for-in - case NODE_LOOP: - // loop { ... } => while (1) { ... } - fprintf(out, "while (1) "); - codegen_node_single(ctx, node->loop_stmt.body, out); - break; - case NODE_REPEAT: - fprintf(out, "for (int _rpt_i = 0; _rpt_i < (%s); _rpt_i++) ", node->repeat_stmt.count); - codegen_node_single(ctx, node->repeat_stmt.body, out); - break; - case NODE_FOR_RANGE: - fprintf(out, "for ("); - if (strstr(g_config.cc, "tcc")) - { - fprintf(out, "__typeof__(("); - codegen_expression(ctx, node->for_range.start, out); - fprintf(out, ")) %s = ", node->for_range.var_name); - } - else - { - fprintf(out, "__auto_type %s = ", node->for_range.var_name); - } - codegen_expression(ctx, node->for_range.start, out); - fprintf(out, "; %s < ", node->for_range.var_name); - codegen_expression(ctx, node->for_range.end, out); - fprintf(out, "; %s", node->for_range.var_name); - if (node->for_range.step) - { - fprintf(out, " += %s) ", node->for_range.step); - } - else - { - fprintf(out, "++) "); - } - codegen_node_single(ctx, node->for_range.body, out); - break; - case NODE_ASM: - { - int is_extended = (node->asm_stmt.num_outputs > 0 || node->asm_stmt.num_inputs > 0 || - node->asm_stmt.num_clobbers > 0); + } + fprintf(out, ";\n"); + } else { + char *inferred = NULL; + if (node->var_decl.init_expr) { + inferred = infer_type(ctx, node->var_decl.init_expr); + } + + if (inferred && strcmp(inferred, "__auto_type") != 0) { + emit_var_decl_type(ctx, out, inferred, node->var_decl.name); + add_symbol(ctx, node->var_decl.name, inferred, NULL); + } else { + emit_auto_type(ctx, node->var_decl.init_expr, node->token, out); + fprintf(out, " %s", node->var_decl.name); + + if (inferred) { + add_symbol(ctx, node->var_decl.name, inferred, NULL); + } else { + // Here we are cooked. + } + } + + fprintf(out, " = "); + codegen_expression(ctx, node->var_decl.init_expr, out); + fprintf(out, ";\n"); + } + break; + case NODE_CONST: + fprintf(out, " const "); + if (node->var_decl.type_str) { + fprintf(out, "%s %s", node->var_decl.type_str, node->var_decl.name); + } else { + emit_auto_type(ctx, node->var_decl.init_expr, node->token, out); + fprintf(out, " %s", node->var_decl.name); + } + fprintf(out, " = "); + codegen_expression(ctx, node->var_decl.init_expr, out); + fprintf(out, ";\n"); + break; + case NODE_FIELD: + if (node->field.bit_width > 0) { + fprintf(out, " %s %s : %d;\n", node->field.type, node->field.name, + node->field.bit_width); + } else { + fprintf(out, " "); + emit_var_decl_type(ctx, out, node->field.type, node->field.name); + fprintf(out, ";\n"); + } + break; + case NODE_IF: + fprintf(out, "if ("); + codegen_expression(ctx, node->if_stmt.condition, out); + fprintf(out, ") "); + codegen_node_single(ctx, node->if_stmt.then_body, out); + if (node->if_stmt.else_body) { + fprintf(out, " else "); + codegen_node_single(ctx, node->if_stmt.else_body, out); + } + break; + case NODE_UNLESS: + fprintf(out, "if (!("); + codegen_expression(ctx, node->unless_stmt.condition, out); + fprintf(out, ")) "); + codegen_node_single(ctx, node->unless_stmt.body, out); + break; + case NODE_GUARD: + fprintf(out, "if (!("); + codegen_expression(ctx, node->guard_stmt.condition, out); + fprintf(out, ")) "); + codegen_node_single(ctx, node->guard_stmt.body, out); + break; + case NODE_WHILE: + fprintf(out, "while ("); + codegen_expression(ctx, node->while_stmt.condition, out); + fprintf(out, ") "); + codegen_node_single(ctx, node->while_stmt.body, out); + break; + case NODE_FOR: + fprintf(out, "for ("); + if (node->for_stmt.init) { + if (node->for_stmt.init->type == NODE_VAR_DECL) { + ASTNode *v = node->for_stmt.init; + if (v->var_decl.type_str && + strcmp(v->var_decl.type_str, "__auto_type") != 0) { + fprintf(out, "%s %s = (%s)(", v->var_decl.type_str, v->var_decl.name, + v->var_decl.type_str); + codegen_expression(ctx, v->var_decl.init_expr, out); + fprintf(out, ")"); + } else { + emit_auto_type(ctx, v->var_decl.init_expr, v->token, out); + fprintf(out, " %s = ", v->var_decl.name); + codegen_expression(ctx, v->var_decl.init_expr, out); + } + } else { + codegen_expression(ctx, node->for_stmt.init, out); + } + } + fprintf(out, "; "); + if (node->for_stmt.condition) { + codegen_expression(ctx, node->for_stmt.condition, out); + } + fprintf(out, "; "); + if (node->for_stmt.step) { + codegen_expression(ctx, node->for_stmt.step, out); + } + fprintf(out, ") "); + codegen_node_single(ctx, node->for_stmt.body, out); + break; + case NODE_BREAK: + if (node->break_stmt.target_label) { + fprintf(out, "goto __break_%s;\n", node->break_stmt.target_label); + } else { + fprintf(out, "break;\n"); + } + break; + case NODE_CONTINUE: + if (node->continue_stmt.target_label) { + fprintf(out, "goto __continue_%s;\n", node->continue_stmt.target_label); + } else { + fprintf(out, "continue;\n"); + } + break; + case NODE_GOTO: + if (node->goto_stmt.goto_expr) { + // Computed goto: goto *expr; + fprintf(out, "goto *("); + codegen_expression(ctx, node->goto_stmt.goto_expr, out); + fprintf(out, ");\n"); + } else { + fprintf(out, "goto %s;\n", node->goto_stmt.label_name); + } + break; + case NODE_LABEL: + fprintf(out, "%s:;\n", node->label_stmt.label_name); + break; + case NODE_DO_WHILE: + fprintf(out, "do "); + codegen_node_single(ctx, node->do_while_stmt.body, out); + fprintf(out, " while ("); + codegen_expression(ctx, node->do_while_stmt.condition, out); + fprintf(out, ");\n"); + break; + // Loop constructs: loop, repeat, for-in + case NODE_LOOP: + // loop { ... } => while (1) { ... } + fprintf(out, "while (1) "); + codegen_node_single(ctx, node->loop_stmt.body, out); + break; + case NODE_REPEAT: + fprintf(out, "for (int _rpt_i = 0; _rpt_i < (%s); _rpt_i++) ", + node->repeat_stmt.count); + codegen_node_single(ctx, node->repeat_stmt.body, out); + break; + case NODE_FOR_RANGE: + fprintf(out, "for ("); + if (strstr(g_config.cc, "tcc")) { + fprintf(out, "__typeof__(("); + codegen_expression(ctx, node->for_range.start, out); + fprintf(out, ")) %s = ", node->for_range.var_name); + } else { + fprintf(out, "__auto_type %s = ", node->for_range.var_name); + } + codegen_expression(ctx, node->for_range.start, out); + fprintf(out, "; %s < ", node->for_range.var_name); + codegen_expression(ctx, node->for_range.end, out); + fprintf(out, "; %s", node->for_range.var_name); + if (node->for_range.step) { + fprintf(out, " += %s) ", node->for_range.step); + } else { + fprintf(out, "++) "); + } + codegen_node_single(ctx, node->for_range.body, out); + break; + case NODE_ASM: { + int is_extended = + (node->asm_stmt.num_outputs > 0 || node->asm_stmt.num_inputs > 0 || + node->asm_stmt.num_clobbers > 0); + + if (node->asm_stmt.is_volatile) { + fprintf(out, " __asm__ __volatile__("); + } else { + fprintf(out, " __asm__("); + } - if (node->asm_stmt.is_volatile) - { - fprintf(out, " __asm__ __volatile__("); - } - else - { - fprintf(out, " __asm__("); - } + char *code = node->asm_stmt.code; + char *transformed = xmalloc(strlen(code) * 3); // Generous buffer + char *dst = transformed; + + for (char *p = code; *p; p++) { + if (*p == '{') { + // Find matching } + char *end = strchr(p + 1, '}'); + if (end) { + // Extract variable name + int var_len = end - p - 1; + char var_name[64]; + strncpy(var_name, p + 1, var_len); + var_name[var_len] = 0; + + // Find variable index + int idx = -1; + + // Check outputs first + for (int i = 0; i < node->asm_stmt.num_outputs; i++) { + if (strcmp(node->asm_stmt.outputs[i], var_name) == 0) { + idx = i; + break; + } + } + + // Then check inputs + if (idx == -1) { + for (int i = 0; i < node->asm_stmt.num_inputs; i++) { + if (strcmp(node->asm_stmt.inputs[i], var_name) == 0) { + idx = node->asm_stmt.num_outputs + i; + break; + } + } + } + + if (idx >= 0) { + // Replace with %N + dst += sprintf(dst, "%%%d", idx); + } else { + // Variable not found - error or keep as-is? + dst += sprintf(dst, "{%s}", var_name); + } + + p = end; // Skip past } + } else { + *dst++ = *p; + } + } else if (*p == '%') { + if (is_extended) { + *dst++ = '%'; + *dst++ = '%'; + } else { + *dst++ = '%'; + } + } else { + *dst++ = *p; + } + } + *dst = 0; + + fprintf(out, "\""); + for (char *p = transformed; *p; p++) { + if (*p == '\n') { + fprintf(out, "\\n\"\n \""); + } else if (*p == '"') { + fprintf(out, "\\\""); + } else if (*p == '\\') { + fprintf(out, "\\\\"); + } else { + fputc(*p, out); + } + } + fprintf(out, "\\n\""); - char *code = node->asm_stmt.code; - char *transformed = xmalloc(strlen(code) * 3); // Generous buffer - char *dst = transformed; - - for (char *p = code; *p; p++) - { - if (*p == '{') - { - // Find matching } - char *end = strchr(p + 1, '}'); - if (end) - { - // Extract variable name - int var_len = end - p - 1; - char var_name[64]; - strncpy(var_name, p + 1, var_len); - var_name[var_len] = 0; - - // Find variable index - int idx = -1; - - // Check outputs first - for (int i = 0; i < node->asm_stmt.num_outputs; i++) - { - if (strcmp(node->asm_stmt.outputs[i], var_name) == 0) - { - idx = i; - break; - } - } - - // Then check inputs - if (idx == -1) - { - for (int i = 0; i < node->asm_stmt.num_inputs; i++) - { - if (strcmp(node->asm_stmt.inputs[i], var_name) == 0) - { - idx = node->asm_stmt.num_outputs + i; - break; - } - } - } - - if (idx >= 0) - { - // Replace with %N - dst += sprintf(dst, "%%%d", idx); - } - else - { - // Variable not found - error or keep as-is? - dst += sprintf(dst, "{%s}", var_name); - } - - p = end; // Skip past } - } - else - { - *dst++ = *p; - } - } - else if (*p == '%') - { - if (is_extended) - { - *dst++ = '%'; - *dst++ = '%'; - } - else - { - *dst++ = '%'; - } - } - else - { - *dst++ = *p; - } - } - *dst = 0; - - fprintf(out, "\""); - for (char *p = transformed; *p; p++) - { - if (*p == '\n') - { - fprintf(out, "\\n\"\n \""); - } - else if (*p == '"') - { - fprintf(out, "\\\""); - } - else if (*p == '\\') - { - fprintf(out, "\\\\"); - } - else - { - fputc(*p, out); - } - } - fprintf(out, "\\n\""); - - if (node->asm_stmt.num_outputs > 0) - { - fprintf(out, "\n : "); - for (int i = 0; i < node->asm_stmt.num_outputs; i++) - { - if (i > 0) - { - fprintf(out, ", "); - } - - // Determine constraint - char *mode = node->asm_stmt.output_modes[i]; - if (strcmp(mode, "out") == 0) - { - fprintf(out, "\"=r\"(%s)", node->asm_stmt.outputs[i]); - } - else if (strcmp(mode, "inout") == 0) - { - fprintf(out, "\"+r\"(%s)", node->asm_stmt.outputs[i]); - } - else - { - fprintf(out, "\"=r\"(%s)", node->asm_stmt.outputs[i]); - } - } + if (node->asm_stmt.num_outputs > 0) { + fprintf(out, "\n : "); + for (int i = 0; i < node->asm_stmt.num_outputs; i++) { + if (i > 0) { + fprintf(out, ", "); } - if (node->asm_stmt.num_inputs > 0) - { - fprintf(out, "\n : "); - for (int i = 0; i < node->asm_stmt.num_inputs; i++) - { - if (i > 0) - { - fprintf(out, ", "); - } - fprintf(out, "\"r\"(%s)", node->asm_stmt.inputs[i]); - } + // Determine constraint + char *mode = node->asm_stmt.output_modes[i]; + if (strcmp(mode, "out") == 0) { + fprintf(out, "\"=r\"(%s)", node->asm_stmt.outputs[i]); + } else if (strcmp(mode, "inout") == 0) { + fprintf(out, "\"+r\"(%s)", node->asm_stmt.outputs[i]); + } else { + fprintf(out, "\"=r\"(%s)", node->asm_stmt.outputs[i]); } - else if (node->asm_stmt.num_outputs > 0) - { - fprintf(out, "\n : "); + } + } + + if (node->asm_stmt.num_inputs > 0) { + fprintf(out, "\n : "); + for (int i = 0; i < node->asm_stmt.num_inputs; i++) { + if (i > 0) { + fprintf(out, ", "); } + fprintf(out, "\"r\"(%s)", node->asm_stmt.inputs[i]); + } + } else if (node->asm_stmt.num_outputs > 0) { + fprintf(out, "\n : "); + } - if (node->asm_stmt.num_clobbers > 0) - { - fprintf(out, "\n : "); - for (int i = 0; i < node->asm_stmt.num_clobbers; i++) - { - if (i > 0) - { - fprintf(out, ", "); - } - fprintf(out, "\"%s\"", node->asm_stmt.clobbers[i]); - } + if (node->asm_stmt.num_clobbers > 0) { + fprintf(out, "\n : "); + for (int i = 0; i < node->asm_stmt.num_clobbers; i++) { + if (i > 0) { + fprintf(out, ", "); } + fprintf(out, "\"%s\"", node->asm_stmt.clobbers[i]); + } + } - fprintf(out, ");\n"); - break; + fprintf(out, ");\n"); + break; + } + case NODE_RETURN: + fprintf(out, " return "); + codegen_expression(ctx, node->ret.value, out); + fprintf(out, ";\n"); + break; + case NODE_EXPR_MEMBER: { + codegen_expression(ctx, node->member.target, out); + char *lt = infer_type(ctx, node->member.target); + if (lt && (lt[strlen(lt) - 1] == '*' || strstr(lt, "*"))) { + fprintf(out, "->%s", node->member.field); + } else { + fprintf(out, ".%s", node->member.field); } - case NODE_RETURN: - fprintf(out, " return "); - codegen_expression(ctx, node->ret.value, out); - fprintf(out, ";\n"); - break; - case NODE_EXPR_MEMBER: - { - codegen_expression(ctx, node->member.target, out); - char *lt = infer_type(ctx, node->member.target); - if (lt && (lt[strlen(lt) - 1] == '*' || strstr(lt, "*"))) - { - fprintf(out, "->%s", node->member.field); - } - else - { - fprintf(out, ".%s", node->member.field); - } - if (lt) - { - free(lt); - } - break; + if (lt) { + free(lt); } - case NODE_REPL_PRINT: - { - fprintf(out, "{ "); - emit_auto_type(ctx, node->repl_print.expr, node->token, out); - fprintf(out, " _zval = ("); - codegen_expression(ctx, node->repl_print.expr, out); - fprintf(out, "); fprintf(stdout, _z_str(_zval), _zval); fprintf(stdout, " - "\"\\n\"); }\n"); - break; + break; + } + case NODE_REPL_PRINT: { + fprintf(out, "{ "); + emit_auto_type(ctx, node->repl_print.expr, node->token, out); + fprintf(out, " _zval = ("); + codegen_expression(ctx, node->repl_print.expr, out); + fprintf(out, "); fprintf(stdout, _z_str(_zval), _zval); fprintf(stdout, " + "\"\\n\"); }\n"); + break; + } + case NODE_AWAIT: { + char *ret_type = "void*"; + int free_ret = 0; + if (node->type_info) { + char *t = type_to_string(node->type_info); + if (t) { + ret_type = t; + free_ret = 1; + } + } else if (node->resolved_type) { + ret_type = node->resolved_type; } - case NODE_AWAIT: - { - char *ret_type = "void*"; - int free_ret = 0; - if (node->type_info) - { - char *t = type_to_string(node->type_info); - if (t) - { - ret_type = t; - free_ret = 1; - } - } - else if (node->resolved_type) - { - ret_type = node->resolved_type; - } - - // Fallback: If type is still Async/void* (likely from Future type, not - // Result type), try to infer - if (strcmp(ret_type, "Async") == 0 || strcmp(ret_type, "void*") == 0) - { - char *inf = infer_type(ctx, node); - if (inf && strcmp(inf, "Async") != 0 && strcmp(inf, "void*") != 0) - { - if (free_ret) - { - free(ret_type); - } - ret_type = inf; - free_ret = 0; // infer_type ownership ambiguous, avoid double free - } - } - int needs_long_cast = 0; - int returns_struct = 0; - if (strstr(ret_type, "*") == NULL && strcmp(ret_type, "string") != 0 && - strcmp(ret_type, "void") != 0 && strcmp(ret_type, "Async") != 0) - { - if (strcmp(ret_type, "int") != 0 && strcmp(ret_type, "bool") != 0 && - strcmp(ret_type, "char") != 0 && strcmp(ret_type, "float") != 0 && - strcmp(ret_type, "double") != 0 && strcmp(ret_type, "long") != 0 && - strcmp(ret_type, "usize") != 0 && strcmp(ret_type, "isize") != 0 && - strncmp(ret_type, "uint", 4) != 0 && strncmp(ret_type, "int", 3) != 0) - { - returns_struct = 1; - } - else - { - needs_long_cast = 1; - } + // Fallback: If type is still Async/void* (likely from Future type, not + // Result type), try to infer + if (strcmp(ret_type, "Async") == 0 || strcmp(ret_type, "void*") == 0) { + char *inf = infer_type(ctx, node); + if (inf && strcmp(inf, "Async") != 0 && strcmp(inf, "void*") != 0) { + if (free_ret) { + free(ret_type); + } + ret_type = inf; + free_ret = 0; // infer_type ownership ambiguous, avoid double free + } + } - if (strncmp(ret_type, "struct", 6) == 0) - { - returns_struct = 1; - } - } + int needs_long_cast = 0; + int returns_struct = 0; + if (strstr(ret_type, "*") == NULL && strcmp(ret_type, "string") != 0 && + strcmp(ret_type, "void") != 0 && strcmp(ret_type, "Async") != 0) { + if (strcmp(ret_type, "int") != 0 && strcmp(ret_type, "bool") != 0 && + strcmp(ret_type, "char") != 0 && strcmp(ret_type, "float") != 0 && + strcmp(ret_type, "double") != 0 && strcmp(ret_type, "long") != 0 && + strcmp(ret_type, "usize") != 0 && strcmp(ret_type, "isize") != 0 && + strncmp(ret_type, "uint", 4) != 0 && + strncmp(ret_type, "int", 3) != 0) { + returns_struct = 1; + } else { + needs_long_cast = 1; + } + + if (strncmp(ret_type, "struct", 6) == 0) { + returns_struct = 1; + } + } - fprintf(out, "({ Async _a = "); - codegen_expression(ctx, node->unary.operand, out); - fprintf(out, "; void* _r; pthread_join(_a.thread, &_r); "); - if (strcmp(ret_type, "void") == 0) - { - fprintf(out, "})"); // result unused - } - else - { - if (returns_struct) - { - // Dereference and free - fprintf(out, "%s _val = *(%s*)_r; free(_r); _val; })", ret_type, ret_type); - } - else - { - if (needs_long_cast) - { - fprintf(out, "(%s)(long)_r; })", ret_type); - } - else - { - fprintf(out, "(%s)_r; })", ret_type); - } - } - } - if (free_ret) - { - free(ret_type); - } - fprintf(out, ";\n"); // Statement terminator - break; + fprintf(out, "({ Async _a = "); + codegen_expression(ctx, node->unary.operand, out); + fprintf(out, "; void* _r; pthread_join(_a.thread, &_r); "); + if (strcmp(ret_type, "void") == 0) { + fprintf(out, "})"); // result unused + } else { + if (returns_struct) { + // Dereference and free + fprintf(out, "%s _val = *(%s*)_r; free(_r); _val; })", ret_type, + ret_type); + } else { + if (needs_long_cast) { + fprintf(out, "(%s)(long)_r; })", ret_type); + } else { + fprintf(out, "(%s)_r; })", ret_type); + } + } } - default: - codegen_expression(ctx, node, out); - fprintf(out, ";\n"); - break; + if (free_ret) { + free(ret_type); } + fprintf(out, ";\n"); // Statement terminator + break; + } + default: + codegen_expression(ctx, node, out); + fprintf(out, ";\n"); + break; + } } // Walks AST nodes and generates code. -void codegen_walker(ParserContext *ctx, ASTNode *node, FILE *out) -{ - while (node) - { - codegen_node_single(ctx, node, out); - node = node->next; - } +void codegen_walker(ParserContext *ctx, ASTNode *node, FILE *out) { + while (node) { + codegen_node_single(ctx, node, out); + node = node->next; + } } |