From 94de096a3f8d90c683f9456e7dd698edd6ee39dd Mon Sep 17 00:00:00 2001
From: Yann Herklotz <ymherklotz@gmail.com>
Date: Sun, 12 Feb 2017 18:44:18 +0000
Subject: Continuing parser and introducing expressions and statements

---
 .gitignore                   |  1 +
 c_parser/include/ast.hpp     |  6 ++++++
 c_parser/src/c_lexer.flex    |  2 +-
 c_parser/src/c_parser.y      | 41 ++++++++++++++---------------------------
 c_parser/src/parser_main.cpp |  5 +++++
 5 files changed, 27 insertions(+), 28 deletions(-)
 create mode 100644 c_parser/include/ast.hpp

diff --git a/.gitignore b/.gitignore
index cc61368..56c17e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ c_parser/build/
 *.tab.cpp
 *.tab.hpp
 *.o
+*.output
diff --git a/c_parser/include/ast.hpp b/c_parser/include/ast.hpp
new file mode 100644
index 0000000..05ed1e4
--- /dev/null
+++ b/c_parser/include/ast.hpp
@@ -0,0 +1,6 @@
+#ifndef AST_HPP
+#define AST_HPP
+
+
+
+#endif
diff --git a/c_parser/src/c_lexer.flex b/c_parser/src/c_lexer.flex
index 833aa32..1c10345 100644
--- a/c_parser/src/c_lexer.flex
+++ b/c_parser/src/c_lexer.flex
@@ -17,7 +17,7 @@ OPERATOR [.][.][.]|[<>][<>][=]|[-][-]|[+][+]|[|][|]|[#][#]|[&][&]|[+\-*\/<>=!%^|
 FRACTIONALCONSTANT (([0-9]*\.[0-9]+)|([0-9]+\.))
 EXPONENTPART ([eE][+-]?[0-9]+)
 
-FLOATINGSUFFIX ([flFL])
+FLOATINGSUFFI X ([flFL])
 INTEGERSUFFIX ([uU][lL]|[lL][uU]|[uUlL])
 
 DECIMALCONSTANT ([1-9][0-9]*)
diff --git a/c_parser/src/c_parser.y b/c_parser/src/c_parser.y
index d3c7f0b..42e27de 100644
--- a/c_parser/src/c_parser.y
+++ b/c_parser/src/c_parser.y
@@ -20,9 +20,9 @@ void yyerror(const char *);
     std::string *string;
 }
 
-%token T_KEYWORD T_IDENTIFIER T_CONSTANT T_OPERATOR
+%token T_KEYWORD T_IDENTIFIER T_CONSTANT T_OPERATOR T_LCBRACKET T_RCBRACKET
 
-%type <expr> EXPR TERM FACTOR
+%type <expr> STMNT_LIST STMNT COMP_STMNT EXPR_STMNT SLCT_STMNT ITR_STMNT JMP_STMNT
 %type <number> T_CONSTANT
 %type <string> T_KEYWORD T_IDENTIFIER T_OPERATOR
 
@@ -30,31 +30,18 @@ void yyerror(const char *);
 
 %%
 
-ROOT : EXPR { g_root = $1; }
-
-EXPR : TERM                 { $$ = $1; }
-     | EXPR T_PLUS TERM     { $$ = new AddOperator($1, $3); }
-     | EXPR T_MINUS TERM    { $$ = new SubOperator($1, $3); }
-
-TERM : FACTOR               { $$ = $1; }
-     | TERM T_TIMES FACTOR  { $$ = new MulOperator($1, $3); }
-     | TERM T_DIVIDE FACTOR { $$ = new DivOperator($1, $3); }
-
-FACTOR : T_NUMBER           { $$ = new Number( $1 ); }
-       | T_VARIABLE         { $$ = new Variable( *$1 ); }
-       | T_LBRACKET EXPR T_RBRACKET { $$ = $2; }
-       | FUNCTION_NAME FACTOR {
-          if(*$1 == "log") {
-              $$ = new LogFunction($2);
-          } else if(*$1 == "exp") {
-              $$ = new ExpFunction($2);
-          } else {
-              $$ = new SqrtFunction($2);
-       }}
-
-FUNCTION_NAME : T_LOG   { $$ = new std::string("log"); }
-              | T_EXP   { $$ = new std::string("exp"); }
-              | T_SQRT  { $$ = new std::string("sqrt"); }
+ROOT : STMNT_LIST { g_root = $1; }
+
+STMNT_LIST : STMNT
+           | STMNT_LIST STMNT
+
+STMNT : COMP_STMNT
+      | EXPR_STMNT
+      | SLCT_STMNT
+      | ITR_STMNT
+      | JMP_STMNT
+
+COMP_STMNT : STMNT_LIST
 
 %%
 
diff --git a/c_parser/src/parser_main.cpp b/c_parser/src/parser_main.cpp
index e69de29..8bf67bf 100644
--- a/c_parser/src/parser_main.cpp
+++ b/c_parser/src/parser_main.cpp
@@ -0,0 +1,5 @@
+#include "ast.hpp"
+
+int main(int argc, char *argv[]) {
+	return 0;
+}
-- 
cgit