From 66f66d2363e41274589ccad098269e379e348632 Mon Sep 17 00:00:00 2001
From: pacien
Date: Tue, 20 Feb 2018 23:40:23 +0100
Subject: Import from TD11

---
 src/tpc.lex |  50 ++++++++++++++++++++++
 src/tpc.y   | 139 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 189 insertions(+)
 create mode 100644 src/tpc.lex
 create mode 100644 src/tpc.y

diff --git a/src/tpc.lex b/src/tpc.lex
new file mode 100644
index 0000000..eaeea89
--- /dev/null
+++ b/src/tpc.lex
@@ -0,0 +1,50 @@
+%{
+/**
+  * UPEM / Compilation / Projet
+  * Pacien TRAN-GIRARD, Adam NAILI
+  */
+
+#include "tpc.tab.h"
+
+int lineno = 1;
+%}
+
+%option noinput nounput noyywrap
+%x COMMENT
+
+%%
+[ \t\r]+                ;
+\n                      { lineno++;}
+"/*"                    { BEGIN COMMENT;}
+&&                      { return AND; }
+"||"                    { return OR; }
+"*"|"/"|%               { yylval.divstar=yytext[0]; return DIVSTAR; }
+"+"|-                   { yylval.addsub=yytext[0]; return ADDSUB; }
+"<"|"<="|">"|>=         { strcpy(yylval.comp, yytext); return ORDER; }
+==|!=                   { strcpy(yylval.comp, yytext); return EQ; }
+int                     { strcpy(yylval.type, yytext); return TYPE; }
+float                   { strcpy(yylval.type, yytext); return TYPE; }
+double                  { strcpy(yylval.type, yytext); return TYPE; }
+char                    { strcpy(yylval.type, yytext); return TYPE; }
+void                    { return VOID; }
+const                   { return CONST; }
+if                      { return IF;}
+else                    { return ELSE;}
+while                   { return WHILE; }
+return                  { return RETURN; }
+[a-zA-Z_][a-zA-Z0-9_]*  { strcpy(yylval.ident, yytext); return IDENT; }
+[0-9]+                  { sscanf(yytext, "%d", &(yylval.num)); return NUM; }
+'\\?.'                  { if (strlen(yytext)==3)
+                            yylval.caractere=yytext[1];
+                          else switch(yytext[2]) {
+                            case 'n': yylval.caractere='\n'; break;
+                            case 't': yylval.caractere='\t'; break;
+                            case '\'': yylval.caractere='\''; break;
+                            }
+                          return CARACTERE; }
+.                       { return yytext[0];}
+<COMMENT>"*/"           { BEGIN INITIAL;}
+<COMMENT>\n             { lineno++;}
+<COMMENT>.              ;
+%%
+
diff --git a/src/tpc.y b/src/tpc.y
new file mode 100644
index 0000000..88e31fb
--- /dev/null
+++ b/src/tpc.y
@@ -0,0 +1,139 @@
+%{
+/*
+ * UPEM / Compilation / Projet
+ * Pacien TRAN-GIRARD, Adam NAILI
+ */
+
+#include <stdio.h>
+
+extern int lineno;
+int yylex();
+void yyerror(char *);
+
+%}
+
+%union {
+  char caractere;
+  int num;
+  char ident[64];
+  char type[16];
+  char comp[3];
+  char addsub;
+  char divstar;
+}
+
+%token <caractere> CARACTERE
+%token <num> NUM
+%token <ident> IDENT
+%token <comp> ORDER EQ
+%token <addsub> ADDSUB
+%token <divstar> DIVSTAR
+%token OR AND CONST IF WHILE RETURN VOID
+%token <type> TYPE
+
+%left ','
+%precedence ')'
+%precedence ELSE
+
+%%
+Prog         : DeclConsts DeclVars DeclFoncts
+             ;
+DeclConsts   : DeclConsts CONST ListConst ';'
+             |
+             ;
+ListConst    : ListConst ',' IDENT '=' Litteral
+             | IDENT '=' Litteral
+             ;
+Litteral     : NombreSigne
+             | CARACTERE
+             ;
+NombreSigne  : NUM
+             | ADDSUB NUM
+             ;
+DeclVars     :
+             DeclVars TYPE Declarateurs ';'
+             |
+             ;
+Declarateurs : Declarateurs ',' Declarateur
+             | Declarateur
+             ;
+Declarateur  : IDENT
+             | IDENT '[' NUM ']'
+             ;
+DeclFoncts   : DeclFoncts DeclFonct
+             | DeclFonct
+             ;
+DeclFonct    : EnTeteFonct Corps
+             ;
+EnTeteFonct  : TYPE IDENT '(' Parametres ')'
+             | VOID IDENT '(' Parametres ')'
+             ;
+Parametres   : VOID
+             | ListTypVar
+             ;
+ListTypVar   : ListTypVar ',' TYPE IDENT
+             | TYPE IDENT
+             ;
+Corps        : '{' DeclConsts DeclVars SuiteInstr '}'
+             ;
+SuiteInstr   : SuiteInstr Instr
+             |
+             ;
+Instr        : Exp ';'
+             | RETURN Exp ';'
+             | RETURN ';'
+             | ';'
+             | IF '(' Exp ')' Instr
+             | IF '(' Exp ')' Instr ELSE Instr
+             | WHILE '(' Exp ')' Instr
+             | '{' SuiteInstr '}'
+             ;
+Exp          : LValue '=' Exp
+             | EB
+             ;
+EB           : EB OR TB
+             | TB
+             ;
+TB           : TB AND FB
+             | FB
+             ;
+FB           : FB EQ M
+             | M
+             ;
+M            : M ORDER E
+             | E
+             ;
+E            : E ADDSUB T
+             | T
+             ;
+T            : T DIVSTAR F
+             | F
+             ;
+F            : ADDSUB F
+             | '!' F
+             | '(' Exp ')'
+             | LValue
+             | NUM
+             | CARACTERE
+             | IDENT '(' Arguments  ')'
+             ;
+LValue       : IDENT
+             | IDENT  '[' Exp  ']'
+             ;
+Arguments    : ListExp
+             |
+             ;
+ListExp      : ListExp ',' ListExp
+             | Exp
+             ;
+%%
+
+void yyerror(char *s){
+  fprintf(stderr, "Line no%d: %s\n", lineno, s);
+}
+
+int main(int argc, char **argv) {
+  yyparse();
+  return 0;
+}
+
-- 
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