Move structs/enums into the right folder

1 files changed, 80 insertions, 0 deletions

diff --git a/src/compile/structs.c b/src/compile/structs.c
new file mode 100644
index 00000000..d4bb346c
--- /dev/null
+++ b/src/compile/structs.c
@@ -0,0 +1,80 @@
+// Logic for compiling new struct types defined in code
+#include <gc.h>
+
+#include "../ast.h"
+#include "../compile.h"
+#include "../environment.h"
+#include "../naming.h"
+#include "../stdlib/tables.h"
+#include "../stdlib/text.h"
+#include "../typecheck.h"
+
+Text_t compile_struct_typeinfo(env_t *env, type_t *t, const char *name, arg_ast_t *fields, bool is_secret,
+                               bool is_opaque) {
+    Text_t typeinfo_name = namespace_name(env, env->namespace, Texts(name, "$$info"));
+    Text_t type_code = Match(t, StructType)->external
+                           ? Text$from_str(name)
+                           : Texts("struct ", namespace_name(env, env->namespace, Texts(name, "$$struct")));
+
+    int num_fields = 0;
+    for (arg_ast_t *f = fields; f; f = f->next)
+        num_fields += 1;
+    const char *short_name = name;
+    if (strchr(short_name, '$')) short_name = strrchr(short_name, '$') + 1;
+
+    const char *metamethods = is_packed_data(t) ? "PackedData$metamethods" : "Struct$metamethods";
+    Text_t typeinfo = Texts(
+        "public const TypeInfo_t ", typeinfo_name, " = {.size=sizeof(", type_code, "), .align=__alignof__(", type_code,
+        "), "
+        ".metamethods=",
+        metamethods,
+        ", "
+        ".tag=StructInfo, .StructInfo.name=\"",
+        short_name, "\"", is_secret ? Text(", .StructInfo.is_secret=true") : EMPTY_TEXT,
+        is_opaque ? Text(", .StructInfo.is_opaque=true") : EMPTY_TEXT, ", .StructInfo.num_fields=", String(num_fields));
+    if (fields) {
+        typeinfo = Texts(typeinfo, ", .StructInfo.fields=(NamedType_t[", String(num_fields), "]){");
+        for (arg_ast_t *f = fields; f; f = f->next) {
+            type_t *field_type = get_arg_ast_type(env, f);
+            typeinfo = Texts(typeinfo, "{\"", f->name, "\", ", compile_type_info(field_type), "}");
+            if (f->next) typeinfo = Texts(typeinfo, ", ");
+        }
+        typeinfo = Texts(typeinfo, "}");
+    }
+    return Texts(typeinfo, "};\n");
+}
+
+Text_t compile_struct_header(env_t *env, ast_t *ast) {
+    DeclareMatch(def, ast, StructDef);
+    Text_t typeinfo_name = namespace_name(env, env->namespace, Texts(def->name, "$$info"));
+    Text_t type_code = def->external
+                           ? Text$from_str(def->name)
+                           : Texts("struct ", namespace_name(env, env->namespace, Texts(def->name, "$$struct")));
+
+    Text_t fields = EMPTY_TEXT;
+    for (arg_ast_t *field = def->fields; field; field = field->next) {
+        type_t *field_t = get_arg_ast_type(env, field);
+        type_t *check_for_opaque = non_optional(field_t);
+        if (check_for_opaque->tag == StructType && Match(check_for_opaque, StructType)->opaque) {
+            if (field->type)
+                code_err(field->type, "This is an opaque type, so it can't be used as a struct field type");
+            else if (field->value)
+                code_err(field->value, "This is an opaque type, so it can't be used as a struct field type");
+        }
+        fields = Texts(fields, compile_declaration(field_t, valid_c_name(field->name)),
+                       field_t->tag == BoolType ? Text(":1") : EMPTY_TEXT, ";\n");
+    }
+    Text_t struct_code = def->external ? EMPTY_TEXT : Texts(type_code, " {\n", fields, "};\n");
+    type_t *t = Table$str_get(*env->types, def->name);
+
+    Text_t unpadded_size =
+        def->opaque ? Texts("sizeof(", type_code, ")") : Text$from_str(String((int64_t)unpadded_struct_size(t)));
+    Text_t typeinfo_code = Texts("extern const TypeInfo_t ", typeinfo_name, ";\n");
+    Text_t optional_code = EMPTY_TEXT;
+    if (!def->opaque) {
+        optional_code = Texts("DEFINE_OPTIONAL_TYPE(", compile_type(t), ", ", unpadded_size, ", ",
+                              namespace_name(env, env->namespace, Texts("$Optional", def->name, "$$type")), ");\n");
+    }
+    return Texts(struct_code, optional_code, typeinfo_code);
+}
+// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0