From 2864f0483c9c7dc8b57184348a1b2a8ab3656ddd Mon Sep 17 00:00:00 2001
From: Yann Herklotz <ymherklotz@gmail.com>
Date: Wed, 15 Feb 2017 12:28:20 +0000
Subject: Finished parser for declarations

---
 c_parser/src/c_lexer.flex    |  8 +++++++-
 c_parser/src/c_parser.y      | 30 +++++++++++++++++++++---------
 c_parser/src/parser_main.cpp |  2 +-
 3 files changed, 29 insertions(+), 11 deletions(-)

(limited to 'c_parser/src')

diff --git a/c_parser/src/c_lexer.flex b/c_parser/src/c_lexer.flex
index 96f6f26..c2b0d52 100644
--- a/c_parser/src/c_lexer.flex
+++ b/c_parser/src/c_lexer.flex
@@ -36,11 +36,17 @@ ALL .
 
 %%
 
-{KEYWORD}	{ yylval.string = new std::string(yytext); return T_KEYWORD; }
+typedef|extern|static|auto|register	{ return T_STRG_SPEC; }
+void|char|short|int|long|float|double|signed|unsigned	      { return T_TYPE_SPEC; }
+const|volatile						      { return T_TYPE_QUAL; }
 
 {IDENTIFIER}	{ yylval.string = new std::string(yytext); return T_IDENTIFIER; }
 
 ;		{ return T_SC; }
+=		{ return T_EQ; }
+,		{ return T_CMA; }
+
+({HEXCONSTANT}|{OCTALCONSTANT}|{DECIMALCONSTANT}){INTEGERSUFFIX}?	{ return T_INT_CONST; }
 
 {WHITESPACE}		{ ; }
 
diff --git a/c_parser/src/c_parser.y b/c_parser/src/c_parser.y
index ae80446..038f7dd 100644
--- a/c_parser/src/c_parser.y
+++ b/c_parser/src/c_parser.y
@@ -19,11 +19,11 @@ void yyerror(const char *);
     std::string *string;
 }
 			
-%token T_KEYWORD T_IDENTIFIER T_SC //T_CONSTANT T_OPERATOR T_LCBRACKET T_RCBRACKET
+%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 STMNT_LIST  // COMP_STMNT STMNT_LIST_STMNT SLCT_STMNT ITR_STMNT JMP_STMNT
+%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
-%type <string> T_KEYWORD T_IDENTIFIER //T_OPERATOR
+%type <string> T_IDENTIFIER //T_OPERATOR
 			
 %start ROOT
 			
@@ -31,12 +31,24 @@ void yyerror(const char *);
 
 ROOT : STMNT_LIST { ; }
 
-STMNT_LIST : STMNT { g_root->push_back($1); }
-	   | STMNT_LIST STMNT { g_root->push_back($2); }
-
-STMNT : DCLRTN { $$ = $1; }
-
-DCLRTN : T_KEYWORD T_IDENTIFIER T_SC { $$ = new ast_Declaration(*$2); }
+STMNT_LIST :    STMNT { ; }
+	| 	STMNT_LIST STMNT { ; }
+	|	DCLRTN { ; }
+
+STMNT :         DCLRTN { ; }
+
+DCLRTN :        DCLRTN_SPEC INIT_DCLRTR_LIST T_SC { $$ = $2; }
+DCLRTN_SPEC :   DCLRTN_SPEC_T { ; }
+	|	DCLRTN_SPEC_T DCLRTN_SPEC { ; }
+DCLRTN_SPEC_T : T_TYPE_SPEC { ; }
+	|	T_TYPE_QUAL { ; }
+	|	T_STRG_SPEC { ; }
+INIT_DCLRTR_LIST : INIT_DCLRTR { g_root->push($1); }
+	|       INIT_DCLRTR_LIST T_CMA INIT_DCLRTR { g_root->push($3); }
+INIT_DCLRTR :   DCLRTR { ; }
+	|	DCLRTR T_EQ INITIALIZER { ; }
+DCLRTR :        T_IDENTIFIER {$$ = new ast_Declaration(*$1); }
+INITIALIZER :   T_INT_CONST { ; }
 
 %%
 
diff --git a/c_parser/src/parser_main.cpp b/c_parser/src/parser_main.cpp
index 53209e3..02f3b3f 100644
--- a/c_parser/src/parser_main.cpp
+++ b/c_parser/src/parser_main.cpp
@@ -5,7 +5,7 @@
 int main(int argc, char *argv[]) {
     ast_Top *ast = parseAST();
 
-    ast->print_vec();
+    ast->print();
 
     std::cout << std::endl;
     
-- 
cgit