From f218a80d6ca8a69ba0b22cb87f99e8b82162bbee Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Mon, 24 Mar 2014 20:54:55 +0800
Subject: AST Construction: almost done

---
 ast.h | 61 ++++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 48 insertions(+), 13 deletions(-)

(limited to 'ast.h')

diff --git a/ast.h b/ast.h
index d438b92..0b0264a 100644
--- a/ast.h
+++ b/ast.h
@@ -7,33 +7,48 @@
 #define POSTFIX_DOT     1027
 #define POSTFIX_PTR     1028
 #define EXP_CAST        1029
+#define INITR_NORM      1030
+#define INITR_ARR       1031
+#define DECLR_FUNC      1032
+#define DECLR_ARR       1033
+#define STMT_EXP        1034
+#define STMT_COMP       1035
+#define STMT_IF         1036
+#define STMT_WHILE      1037
+#define STMT_FOR        1038
+#define STMT_CONT       1039
+#define STMT_BREAK      1040
+#define STMT_RET        1041
 
 typedef struct CNode {
     enum {
         /* Top Level */
-        PROG,  FUNC_DEF, PARAMS, 
+        PROG,
+        FUNC_DEF,
         DECL, /* declaration */
         DECLR, /* declarator */
-        DECLRS, 
-        INIT_DECLRS, INIT_DECLR, 
+        INIT_DECLR, 
         INITR, /* initializer */
         TYPE_SPEC,
-        STRUCT, UNION, 
-        PLAIN_DECL, PLAIN_DECLR,
+        FIELD, /* struct-or-union field */
+        PLAIN_DECL,
 
         /* Statments */
-        EXP_STMT, /* expression-statment */
-        COMP_STMT, IF_STMT, /* selection-statment */
-        WHILE_STMT, FOR_STMT,
-        CONT_STMT , BREAK_STMT, RET_STMT, /* 'continue', 'break', 'return' */
+        STMT,
 
-        /* Expressions (expressions use their token ID to denote their types */
+        /* Expressions  */
         EXP,
         TYPE_NAME,
         ID, /* identifier */
         INT, /* INT_CONST */
         CHAR,
-        STR
+        STR,
+        NOP,
+
+        COMP_STMTS,
+        COMP_DECLS,
+        ARGS,
+        PARAMS
     } type;
     union {
         int intval;
@@ -47,15 +62,35 @@ typedef struct CNode {
     } loc;
 } CNode;
 
+void cnode_init();
+CNode *cnode_create_nop();
+CNode *cnode_create_general(int type, int subtype, int pnum, va_list ap); 
+CNode *cnode_append(CNode *node, CNode *tail);
+
 CNode *cnode_create_exp(int exp_type, int pnum, ...);
 CNode *cnode_create_type_spec(int spec_type, int pnum, ...);
-CNode *cnode_append(CNode *node, CNode *tail);
+CNode *cnode_create_declr(int declr_type, int pnum, ...);
+CNode *cnode_create_stmt(int stmt_type, int pnum, ...);
+CNode *cnode_create_initr(int initr_type, CNode *body);
+
+CNode *cnode_create_decl(CNode *type, CNode *init_declrs);
+CNode *cnode_create_func(CNode *type, CNode *plain_decl, CNode *params, CNode *stmt);
+CNode *cnode_create_init_declr(CNode *declr, CNode *initr);
+CNode *cnode_create_struct_field(CNode *type_spec, CNode *declrs);
+CNode *cnode_create_plain_decl(CNode *type_spec, CNode *declr);
+CNode *cnode_create_comp_decls(CNode *decls);
+CNode *cnode_create_comp_stmts(CNode *stmts);
+CNode *cnode_create_args(CNode *arg_list);
+CNode *cnode_create_params(CNode *plist);
+
 CNode *cnode_create_identifier(char *val);
 CNode *cnode_create_int_const(int val);
 CNode *cnode_create_char_const(int val);
 CNode *cnode_create_str_const(char *val);
-CNode *cnode_debug_print(CNode *ast);
+
+void cnode_debug_print(CNode *ast);
 
 extern CNode *ast_root;
+extern CNode *null;
 
 #endif
-- 
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