feat: separate compilation

1 files changed, 3 insertions, 120 deletions

diff --git a/src/ast.c b/src/ast.c
index 66f7cc2..662052f 100644
--- a/src/ast.c
+++ b/src/ast.c
@@ -1,18 +1,6 @@
-enum TypeKind {
-    TypeKind_unknown,
-
-    TypeKind_char,
-    TypeKind_short,
-    TypeKind_int,
-    TypeKind_long,
-    TypeKind_void,
-    TypeKind_ptr,
-    TypeKind_array,
-    TypeKind_enum,
-    TypeKind_struct,
-    TypeKind_union,
-};
-typedef enum TypeKind TypeKind;
+#include "ast.h"
+#include "common.h"
+#include "preprocess.h"
 
 const char* type_kind_stringify(TypeKind k) {
     if (k == TypeKind_unknown)
@@ -41,17 +29,6 @@ const char* type_kind_stringify(TypeKind k) {
         unreachable();
 }
 
-struct AstNode;
-
-struct Type {
-    TypeKind kind;
-    // Check `base` instead of `kind` to test if the type is an array or a pointer.
-    struct Type* base;
-    int array_size;
-    struct AstNode* def;
-};
-typedef struct Type Type;
-
 void type_dump(Type* ty) {
     fprintf(stderr, "Type {\n");
     fprintf(stderr, "  kind = %s\n", type_kind_stringify(ty->kind));
@@ -91,13 +68,6 @@ BOOL type_is_unsized(Type* ty) {
     return ty->kind == TypeKind_void;
 }
 
-int type_sizeof_struct(Type* ty);
-int type_sizeof_union(Type* ty);
-int type_alignof_struct(Type* ty);
-int type_alignof_union(Type* ty);
-int type_offsetof(Type* ty, const char* name);
-Type* type_member_typeof(Type* ty, const char* name);
-
 int type_sizeof(Type* ty) {
     if (type_is_unsized(ty)) {
         fatal_error("type_sizeof: type size cannot be determined");
@@ -156,93 +126,6 @@ int to_aligned(int n, int a) {
     return (n + a - 1) / a * a;
 }
 
-enum AstNodeKind {
-    AstNodeKind_unknown,
-    AstNodeKind_nop,
-
-    AstNodeKind_assign_expr,
-    AstNodeKind_binary_expr,
-    AstNodeKind_break_stmt,
-    AstNodeKind_cond_expr,
-    AstNodeKind_continue_stmt,
-    AstNodeKind_deref_expr,
-    AstNodeKind_do_while_stmt,
-    AstNodeKind_enum_def,
-    AstNodeKind_enum_member,
-    AstNodeKind_expr_stmt,
-    AstNodeKind_for_stmt,
-    AstNodeKind_func_call,
-    AstNodeKind_func_decl,
-    AstNodeKind_func_def,
-    AstNodeKind_gvar,
-    AstNodeKind_gvar_decl,
-    AstNodeKind_if_stmt,
-    AstNodeKind_int_expr,
-    AstNodeKind_list,
-    AstNodeKind_logical_expr,
-    AstNodeKind_lvar,
-    AstNodeKind_lvar_decl,
-    AstNodeKind_param,
-    AstNodeKind_ref_expr,
-    AstNodeKind_return_stmt,
-    AstNodeKind_str_expr,
-    AstNodeKind_struct_decl,
-    AstNodeKind_struct_def,
-    AstNodeKind_struct_member,
-    AstNodeKind_type,
-    AstNodeKind_typedef_decl,
-    AstNodeKind_unary_expr,
-    AstNodeKind_union_decl,
-    AstNodeKind_union_def,
-    AstNodeKind_union_member,
-
-    // Intermediate ASTs: they are used only in parsing, not for parse result.
-    AstNodeKind_declarator,
-};
-typedef enum AstNodeKind AstNodeKind;
-
-#define node_items __n1
-#define node_len __i1
-#define node_cap __i2
-#define node_expr __n1
-#define node_lhs __n1
-#define node_rhs __n2
-#define node_operand __n1
-#define node_cond __n1
-#define node_init __n2
-#define node_update __n3
-#define node_then __n2
-#define node_else __n3
-#define node_body __n4
-#define node_members __n1
-#define node_params __n1
-#define node_args __n1
-#define node_int_value __i1
-#define node_idx __i1
-#define node_op __i1
-#define node_stack_offset __i1
-#define node_stack_size __i1
-
-struct AstNode {
-    AstNodeKind kind;
-    const char* name;
-    Type* ty;
-    struct AstNode* __n1;
-    struct AstNode* __n2;
-    struct AstNode* __n3;
-    struct AstNode* __n4;
-    int __i1;
-    int __i2;
-};
-typedef struct AstNode AstNode;
-
-struct Program {
-    AstNode* funcs;
-    AstNode* vars;
-    const char** str_literals;
-};
-typedef struct Program Program;
-
 AstNode* ast_new(AstNodeKind kind) {
     AstNode* ast = calloc(1, sizeof(AstNode));
     ast->kind = kind;