From e9c783cec3496c3b84681ce162f6133bec8a709d Mon Sep 17 00:00:00 2001
From: Teddy <ted.sybil@gmail.com>
Date: Tue, 25 Mar 2014 21:50:31 +0800
Subject: fixed bugs: str and char const recogn; fields wrapping

---
 ast.c   |  1 +
 ast.h   |  1 +
 cibic.l | 17 +++++++++++++++--
 cibic.y |  5 +++--
 4 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/ast.c b/ast.c
index e65f2c2..9ac5fcb 100644
--- a/ast.c
+++ b/ast.c
@@ -256,6 +256,7 @@ char *cnode_debug_type_repr(CNode *ast) {
             aptr += sprintf(abuff, "\"%s\"", ast->rec.strval);
             break;
         case FIELD: type = "field"; break;
+        case FIELDS: type = "fields"; break;
         case NOP: type = "nop"; break;
         case EXP: 
         case INITR: 
diff --git a/ast.h b/ast.h
index eaed761..5324cda 100644
--- a/ast.h
+++ b/ast.h
@@ -37,6 +37,7 @@ typedef struct CNode {
         INITR, /* initializer */
         TYPE_SPEC,
         FIELD, /* struct-or-union field */
+        FIELDS,
         PLAIN_DECL,
         DECLS,
         FUNCS,
diff --git a/cibic.l b/cibic.l
index 75244a0..e616325 100644
--- a/cibic.l
+++ b/cibic.l
@@ -10,6 +10,9 @@ int yycolumn = 1;
 
 letter [a-zA-Z_$]
 digit [0-9]
+string ((\\.|[^\n\"\\])*)
+char ([^'\\]|\\.|\\[0-7][0-7]?[0-7]?|\\[xX][0-9a-fA-F]+)
+
 %s IN_BLOCK_COMMENT IN_INLINE_COMMENT IN_DIRECTIVE
 %option yylineno
 %%
@@ -72,16 +75,26 @@ digit [0-9]
     return INT_CONST; 
 }
 
-'([^\'\\]|\\.|\\[0-7][0-7]?[0-7]?|\\[xX][0-9a-fA-F]+)' { 
+'{char}' { 
     yylval.strval = strdup(yytext);
     return CHAR_CONST; 
 }
 
-\"[^\n\"]*\" {
+'{char} {
+    yyerror("missing terminating ' character\n");
+    exit(1);
+}
+
+\"{string}\" {
     yylval.strval = strndup(yytext + 1, strlen(yytext) - 2);
     return STR_CONST; 
 }
 
+\"{string} {
+    yyerror("missing terminating \" character\n");
+    exit(1);
+}
+
 "||"                                        { return OPT_OR; }
 "&&"                                        { return OPT_AND; }
 "=="                                        { return OPT_EQ; }
diff --git a/cibic.y b/cibic.y
index 3cfdad9..6f3fc13 100644
--- a/cibic.y
+++ b/cibic.y
@@ -1,5 +1,6 @@
 %{
 #include <stdio.h>
+#include <stdlib.h>
 #include "ast.h"
 %}
 %union {
@@ -83,10 +84,10 @@ type_specifier
     | KW_CHAR { $$ = cnode_add_loc(cnode_create_type_spec(KW_CHAR, 0), @$); }
     | KW_INT { $$ = cnode_add_loc(cnode_create_type_spec(KW_INT, 0), @$); }
     | struct_or_union identifier '{' struct_fields '}' { 
-        $$ = cnode_add_loc(cnode_create_type_spec($1, 2, $2, cnode_add_loc($4, @4)), @$); 
+        $$ = cnode_add_loc(cnode_create_type_spec($1, 2, $2, cnode_add_loc(cnode_list_wrap(FIELDS, $4), @4)), @$); 
     }
     | struct_or_union '{' struct_fields '}'            {
-        $$ = cnode_add_loc(cnode_create_type_spec($1, 2, cnode_create_nop(), cnode_add_loc($3, @3)), @$); 
+        $$ = cnode_add_loc(cnode_create_type_spec($1, 2, cnode_create_nop(), cnode_add_loc(cnode_list_wrap(FIELDS, $3), @3)), @$); 
     }
     | struct_or_union identifier { 
         $$ = cnode_add_loc(cnode_create_type_spec($1, 2, $2, cnode_create_nop()), @$); 
-- 
cgit v1.2.3-70-g09d2