From 24d1547515ddeb03c6fcf7ae0162b0c397180a40 Mon Sep 17 00:00:00 2001
From: Yann Herklotz <ymherklotz@gmail.com>
Date: Wed, 15 Feb 2017 22:54:00 +0000
Subject: Don't know if I made progress

---
 c_parser/src/c_lexer.flex |  4 ++++
 c_parser/src/c_parser.y   | 60 ++++++++++++++++++++++++++++++-----------------
 2 files changed, 43 insertions(+), 21 deletions(-)

(limited to 'c_parser/src')

diff --git a/c_parser/src/c_lexer.flex b/c_parser/src/c_lexer.flex
index c2b0d52..ba19cd5 100644
--- a/c_parser/src/c_lexer.flex
+++ b/c_parser/src/c_lexer.flex
@@ -45,6 +45,10 @@ const|volatile						      { return T_TYPE_QUAL; }
 ;		{ return T_SC; }
 =		{ return T_EQ; }
 ,		{ return T_CMA; }
+[(]		{ return T_LRB; }
+[)]		{ return T_RRB; }
+[{]               { return T_LCB; }
+[}]               { return T_RCB; }
 
 ({HEXCONSTANT}|{OCTALCONSTANT}|{DECIMALCONSTANT}){INTEGERSUFFIX}?	{ return T_INT_CONST; }
 
diff --git a/c_parser/src/c_parser.y b/c_parser/src/c_parser.y
index 038f7dd..97d13a7 100644
--- a/c_parser/src/c_parser.y
+++ b/c_parser/src/c_parser.y
@@ -18,38 +18,56 @@ void yyerror(const char *);
     //   double number;
     std::string *string;
 }
-			
-%token T_TYPE_SPEC T_TYPE_QUAL T_STRG_SPEC T_IDENTIFIER T_SC T_CMA T_EQ T_INT_CONST
-			
-%type <stmnt> STMNT DCLRTN DCLRTN_SPEC DCLRTN_SPEC_T INIT_DCLRTR INIT_DCLRTR_LIST DCLRTR INITIALIZER STMNT_LIST  // COMP_STMNT STMNT_LIST_STMNT SLCT_STMNT ITR_STMNT JMP_STMNT
-//			%type <number> //	T_CONSTANT
+                        
+%token T_TYPE_SPEC T_TYPE_QUAL T_STRG_SPEC T_IDENTIFIER T_SC T_CMA T_EQ T_LRB T_RRB T_LCB T_RCB T_INT_CONST
+                        
+%type <stmnt> EXT_DEF EXT_DECLARATION FUNC_DEF DECLARATION DECLARATION_SPEC DECLARATION_SPEC_T INIT_DECLARATOR INIT_DECLARATOR_LIST DECLARATOR INITIALIZER
+//                      %type <number> //       T_CONSTANT
 %type <string> T_IDENTIFIER //T_OPERATOR
-			
+                        
 %start ROOT
-			
+                        
 %%
 
-ROOT : STMNT_LIST { ; }
+ROOT : EXT_DEF { ; }
 
-STMNT_LIST :    STMNT { ; }
-	| 	STMNT_LIST STMNT { ; }
-	|	DCLRTN { ; }
+// EXTERNAL DEFINITION
 
-STMNT :         DCLRTN { ; }
+EXT_DEF : EXT_DECLARATION { ; }
+	|       EXT_DEF EXT_DECLARATION { $$ = $2; }
 
-DCLRTN :        DCLRTN_SPEC INIT_DCLRTR_LIST T_SC { $$ = $2; }
-DCLRTN_SPEC :   DCLRTN_SPEC_T { ; }
-	|	DCLRTN_SPEC_T DCLRTN_SPEC { ; }
-DCLRTN_SPEC_T : T_TYPE_SPEC { ; }
+EXT_DECLARATION : DECLARATION_SPEC EXT_DECLARATION_2 { ; }
+
+EXT_DECLARATION_2 : DECLARATION { ; }
+	|	FUNC_DEF { ; }
+
+// FUNCTION DEFINITION
+
+FUNC_DEF : T_IDENTIFIER T_LRB  T_RRB T_LCB T_RCB { ; }
+
+// DECLARATION
+
+DECLARATION : INIT_DECLARATOR_LIST T_SC { ; }
+
+DECLARATION_SPEC :   DECLARATION_SPEC_T { ; }
+	|	DECLARATION_SPEC_T DECLARATION_SPEC { ; }
+
+DECLARATION_SPEC_T : T_TYPE_SPEC { ; }
 	|	T_TYPE_QUAL { ; }
 	|	T_STRG_SPEC { ; }
-INIT_DCLRTR_LIST : INIT_DCLRTR { g_root->push($1); }
-	|       INIT_DCLRTR_LIST T_CMA INIT_DCLRTR { g_root->push($3); }
-INIT_DCLRTR :   DCLRTR { ; }
-	|	DCLRTR T_EQ INITIALIZER { ; }
-DCLRTR :        T_IDENTIFIER {$$ = new ast_Declaration(*$1); }
+
+INIT_DECLARATOR_LIST : INIT_DECLARATOR { g_root->push($1); }
+	|       INIT_DECLARATOR_LIST T_CMA INIT_DECLARATOR { g_root->push($3); }
+
+INIT_DECLARATOR :   DECLARATOR { ; }
+	|	DECLARATOR T_EQ INITIALIZER { ; }
+
+DECLARATOR :        T_IDENTIFIER {$$ = new ast_Declaration(*$1); }
+
 INITIALIZER :   T_INT_CONST { ; }
 
+// STATEMENTS
+
 %%
 
 ast_Top *g_root; // Definition of variable (to match declaration earlier)
-- 
cgit