Allows parser to resolve struct member types.

TODO.TXT

@@ -1,7 +1,7 @@
 X parser
 X error handling (compiler message)
-  user-defined type resolving
+X user-defined type resolving
-  make enum for generic types
+X make enum for generic types
   location for each declarations
   expression resolving
   enum support

biner.y

@@ -51,7 +51,9 @@ unwrap_struct_member_ref_(
 %token <i>   INTEGER;
 
 %type <ptr> decl_list decl
-%type <ptr> struct_body struct_member struct_member_type struct_member_reference
+%type <ptr> struct_member_list struct_member
+%type <ptr> struct_member_type array_struct_member_type unqualified_struct_member_type
+%type <ptr> struct_member_reference
 %type <ptr> expr add_expr mul_expr operand
 
 %start decl_list
@@ -73,7 +75,7 @@ decl_list
   ;
 
 decl
-  : STRUCT IDENT '{' struct_body '}' ';' {
+  : STRUCT IDENT '{' struct_member_list '}' ';' {
     if (find_decl_by_name_($2) != 0) {
       yyerrorf("duplicated declaration of '%s'", ref(char, $2));
       YYABORT;
@@ -88,11 +90,11 @@ decl
   }
   ;
 
-struct_body
+struct_member_list
   : struct_member {
     $$ = ctx.last_member = $1;
   }
-  | struct_body struct_member {
+  | struct_member_list struct_member {
     ref(biner_tree_struct_member_t, $2)->prev = $1;
     $$ = ctx.last_member = $2;
   }
@@ -114,25 +116,40 @@ struct_member
   ;
 
 struct_member_type
+  : array_struct_member_type
+  | unqualified_struct_member_type
+  ;
+
+array_struct_member_type
+  : unqualified_struct_member_type '[' expr ']' {
+    $$ = $1;
+    biner_tree_struct_member_type_t* t =
+        ref(biner_tree_struct_member_type_t, $$);
+    t->qualifier = BINER_TREE_STRUCT_MEMBER_TYPE_QUALIFIER_DYNAMIC_ARRAY;
+    t->expr      = $3;
+  }
+  ;
+
+unqualified_struct_member_type
   : IDENT {
-    /* TODO: upgrade generic type to user-defined type. */
     $$ = alloc_(biner_tree_struct_member_type_t);
-    *ref(biner_tree_struct_member_type_t, $$) =
+    biner_tree_struct_member_type_t* t =
-      (biner_tree_struct_member_type_t) {
+        ref(biner_tree_struct_member_type_t, $$);
-        .kind      = BINER_TREE_STRUCT_MEMBER_TYPE_KIND_GENERIC,
+    *t = (biner_tree_struct_member_type_t) {
-        .generic   = $1,
       .qualifier = BINER_TREE_STRUCT_MEMBER_TYPE_QUALIFIER_NONE,
     };
+
+    const biner_zone_ptr(biner_tree_decl_t) decl = find_decl_by_name_($1);
+    if (decl == 0) {
+      if (!biner_tree_struct_member_type_name_unstringify(
+          &t->name, ref(char, $1))) {
+        yyerrorf("unknown type '%s'", ref(char, $1));
+        YYABORT;
+      }
+    } else {
+      t->name = BINER_TREE_STRUCT_MEMBER_TYPE_NAME_USER_DECL;
+      t->decl = decl;
     }
-  | IDENT '[' expr ']' {
-    $$ = alloc_(biner_tree_struct_member_type_t);
-    *ref(biner_tree_struct_member_type_t, $$) =
-      (biner_tree_struct_member_type_t) {
-        .kind      = BINER_TREE_STRUCT_MEMBER_TYPE_KIND_GENERIC,
-        .generic   = $1,
-        .qualifier = BINER_TREE_STRUCT_MEMBER_TYPE_QUALIFIER_DYNAMIC_ARRAY,
-        .expr      = $3,
-      };
   }
   ;
 
@@ -254,7 +271,7 @@ find_child_struct_member_by_name_(
 
   const biner_tree_struct_member_type_t* t =
     ref(biner_tree_struct_member_type_t, m->type);
-  if (t->kind != BINER_TREE_STRUCT_MEMBER_TYPE_KIND_USER_DEFINED) {
+  if (t->name != BINER_TREE_STRUCT_MEMBER_TYPE_NAME_USER_DECL) {
     yyerrorf("typeof '%s' is not user-defined", ref(char, m->name));
     return 0;
   }

main.c

@@ -18,6 +18,17 @@ int main(void) {
     const biner_tree_struct_member_t* member =
       (const biner_tree_struct_member_t*) (zone + decl->member);
     while ((uintptr_t) member != (uintptr_t) zone) {
+      printf("  ");
+      const biner_tree_struct_member_type_t* type =
+        (const biner_tree_struct_member_type_t*) (zone + member->type);
+      if (type->name == BINER_TREE_STRUCT_MEMBER_TYPE_NAME_USER_DECL) {
+        const biner_tree_decl_t* decl =
+          (const biner_tree_decl_t*) (zone + type->decl);
+        printf("%8s ", zone + decl->name);
+      } else {
+        printf("%8s ",
+          biner_tree_struct_member_type_name_string_map[type->name]);
+      }
       printf("%s\n", zone + member->name);
       member = (const biner_tree_struct_member_t*) (zone + member->prev);
     }

tree.c

@@ -12,6 +12,20 @@
 
 #include "generated/biner.y.h"
 
+const char* const biner_tree_struct_member_type_name_string_map
+    [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_MAX_] = {
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT8]   = "uint8_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT16]  = "uint16_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT32]  = "uint32_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT64]  = "uint64_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT8]    = "int8_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT16]   = "int16_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT32]   = "int32_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT64]   = "int64_t",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_FLOAT32] = "float",
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_FLOAT64] = "double",
+};
+
 biner_tree_parse_context_t biner_tree_parse_context_ = {0};
 
 const uint8_t* biner_tree_parse(FILE* fp) {

tree.h

@@ -1,9 +1,12 @@
 #pragma once
 
+#include <assert.h>
 #include <stdatomic.h>
+#include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "./zone.h"
 
@@ -34,10 +37,24 @@ typedef struct biner_tree_expr_t {
   };
 } biner_tree_expr_t;
 
-typedef enum biner_tree_struct_member_type_kind_t {
+typedef enum biner_tree_struct_member_type_name_t {
-  BINER_TREE_STRUCT_MEMBER_TYPE_KIND_GENERIC,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT8,
-  BINER_TREE_STRUCT_MEMBER_TYPE_KIND_USER_DEFINED,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT16,
-} biner_tree_struct_member_type_kind_t;
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT32,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_UINT64,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT8,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT16,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT32,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_INT64,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_FLOAT32,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_FLOAT64,
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_USER_DECL,
+
+  BINER_TREE_STRUCT_MEMBER_TYPE_NAME_MAX_,
+} biner_tree_struct_member_type_name_t;
+
+extern const char* const biner_tree_struct_member_type_name_string_map
+  [BINER_TREE_STRUCT_MEMBER_TYPE_NAME_MAX_];
 
 typedef enum biner_tree_struct_member_type_qualifier_t {
   BINER_TREE_STRUCT_MEMBER_TYPE_QUALIFIER_NONE,
@@ -46,9 +63,8 @@ typedef enum biner_tree_struct_member_type_qualifier_t {
 } biner_tree_struct_member_type_qualifier_t;
 
 typedef struct biner_tree_struct_member_type_t {
-  biner_tree_struct_member_type_kind_t kind;
+  biner_tree_struct_member_type_name_t name;
   union {
-    biner_zone_ptr(char)              generic;
     biner_zone_ptr(biner_tree_decl_t) decl;
   };
 
@@ -104,6 +120,22 @@ typedef struct biner_tree_parse_context_t {
 
 extern biner_tree_parse_context_t biner_tree_parse_context_;
 
+static inline bool biner_tree_struct_member_type_name_unstringify(
+    biner_tree_struct_member_type_name_t* name,
+    const char*                           str) {
+  assert(name != NULL);
+  assert(str  != NULL);
+
+  for (size_t i = 0; i < BINER_TREE_STRUCT_MEMBER_TYPE_NAME_MAX_; ++i) {
+    const char* item = biner_tree_struct_member_type_name_string_map[i];
+    if (item != NULL && strcmp(str, item) == 0) {
+      *name = (biner_tree_struct_member_type_name_t) i;
+      return true;
+    }
+  }
+  return false;
+}
+
 const uint8_t*
 biner_tree_parse(
   FILE* fp