start of control/loops

Makefile

@@ -5,7 +5,7 @@ BIN=out
 CC=gcc
 CFLAGS=-Wall -g
 
-OBJ=yacc.tab.o lex.yy.o table.o operations.o
+OBJ=yacc.tab.o lex.yy.o table.o operations.o blocs.o
 
 all: $(BIN)
 	@touch testFile # to prevent an error in case of deletion

blocs.c

@@ -0,0 +1,24 @@
+//
+// Created by chepycou on 4/18/23.
+//
+
+#include "blocs.h"
+#include <stdio.h>
+
+/*TODO on écrit tout dans un fichier asm extérieur puis on :
+ * - fait un parcours pour stocker dans une liste chaînée par exemple les valeur de ligne des labels
+ * - faire un parcours pour retirer les labels au début des lignes
+ * - faire un parcours pour remplacer les labels par leur valeur
+ * */
+
+
+
+int labelCount = 0;
+
+char* getNextLabel(){
+    char label[NAME_MAX_LENGTH];
+    sprintf(label, "%d_LABEL", labelCount);
+}
+
+
+

blocs.h

@@ -0,0 +1,12 @@
+//
+// Created by chepycou on 4/18/23.
+//
+
+#ifndef PROJET_SYSTEMES_INFORMATIQUES_BLOCS_H
+#define PROJET_SYSTEMES_INFORMATIQUES_BLOCS_H
+
+int labelCount;
+#define NAME_MAX_LENGTH 20
+
+
+#endif //PROJET_SYSTEMES_INFORMATIQUES_BLOCS_H

operations.c

@@ -4,12 +4,31 @@
 
 #include <stdio.h>
 #include "table.h"
+#include "operations.h"
+
+/*prints to the stdout and the out asm file*/
+void printOp(char* s){
+    printf("%s",s);
+    FILE* fp;
+    fp = fopen("asm", "a");
+    fputs(s, fp);
+    fclose(fp);
+}
+
+/*clears the out asm file*/
+void clearOp(){
+    FILE* fp;
+    fp = fopen("asm", "w");
+    fclose(fp);
+}
 
 /*prints the ASM instruction for the addition computation
  * and returns the address of the temporary variable*/
 int operation_add(int addr1, int addr2){
     int addr = addTempINTAndGetAddress();
-    printf("ADD @%d @%d @%d\n", addr, addr1, addr2);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "ADD @%d @%d @%d\n", addr, addr1, addr2);
+    printOp(s);
     return addr;
 }
 
@@ -17,7 +36,9 @@ int operation_add(int addr1, int addr2){
  * and returns the address of the temporary variable*/
 int operation_sub(int addr1, int addr2){
     int addr = addTempINTAndGetAddress();
-    printf("SUB @%d @%d @%d\n", addr, addr1, addr2);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "SUB @%d @%d @%d\n", addr, addr1, addr2);
+    printOp(s);
     return addr;
 }
 
@@ -25,7 +46,9 @@ int operation_sub(int addr1, int addr2){
  * and returns the address of the temporary variable*/
 int operation_mul(int addr1, int addr2){
     int addr = addTempINTAndGetAddress();
-    printf("MUL @%d @%d @%d\n", addr, addr1, addr2);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "MUL @%d @%d @%d\n", addr, addr1, addr2);
+    printOp(s);
     return addr;
 }
 
@@ -33,7 +56,9 @@ int operation_mul(int addr1, int addr2){
  * and returns the address of the temporary variable*/
 int operation_divInt(int addr1, int addr2){
     int addr = addTempINTAndGetAddress();
-    printf("DIV_INT @%d @%d @%d\n", addr, addr1, addr2);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "DIV_INT @%d @%d @%d\n", addr, addr1, addr2);
+    printOp(s);
     return addr;
 }
 
@@ -41,7 +66,9 @@ int operation_divInt(int addr1, int addr2){
  * and returns the address of the temporary variable*/
 int operation_divRem(int addr1, int addr2){
     int addr = addTempINTAndGetAddress();
-    printf("DIV_REM @%d @%d @%d\n", addr, addr1, addr2);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "DIV_REM @%d @%d @%d\n", addr, addr1, addr2);
+    printOp(s);
     return addr;
 }
 
@@ -50,7 +77,9 @@ int operation_divRem(int addr1, int addr2){
  *      a = 2;
  */
 void operation_afc_nb(int addr, int value){
-    printf("AFC @%d #%d\n", addr, value);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "AFC @%d #%d\n", addr, value);
+    printOp(s);
 }
 
 /*prints the ASM instruction for the affection of a temporary variable
@@ -68,6 +97,8 @@ int operation_afc_nb_tmp(int value){
  *  EX :
  *      a = b;
  */
-void operation_afc_addr(int addr1, int addr2){
+void operation_copy(int addr1, int addr2){
-    printf("AFC @%d @%d\n", addr1, addr2);
+    char s[ASM_TEXT_LEN];
+    sprintf(s, "COP @%d @%d\n", addr1, addr2);
+    printOp(s);
 }

operations.h

@@ -5,6 +5,14 @@
 #ifndef PROJET_SYSTEMES_INFORMATIQUES_OPERATIONS_H
 #define PROJET_SYSTEMES_INFORMATIQUES_OPERATIONS_H
 
+#define ASM_TEXT_LEN 40
+
+/*clears the out asm file*/
+void clearOp();
+
+/*prints to the stdout and the out asm file*/
+void printOp(char* s);
+
 /*prints the ASM instruction for the addition computation
  * and returns the address of the temporary variable*/
 int operation_add(int addr1, int addr2);
@@ -41,7 +49,7 @@ int operation_afc_nb_tmp(int value);
  *  EX :
  *      a = b;
  */
-void operation_afc_addr(int addr1, int addr2);
+void operation_copy(int addr1, int addr2);
 
 
 #endif //PROJET_SYSTEMES_INFORMATIQUES_OPERATIONS_H

table.c

@@ -26,6 +26,18 @@ void initSymbolTable(){
     symbolTable = malloc(sizeof(Symbol) * START_TABLE_SIZE);
 }
 
+/*resets the symbol table*/
+void resetSymboltable(){
+    currentIndex = 0;
+    maxIndex = START_TABLE_SIZE;
+
+// stack pointers
+    esp = 0;
+    ebp = 0;
+
+    currentDepth = 0;
+}
+
 
 /* Error display */
 void error(char* mess){
@@ -56,6 +68,7 @@ int getIndex(char* name){
             return i;
         }
     }
+    printf("%s",name);
     error("No index found");
     return (0);
 }
@@ -228,12 +241,15 @@ void displayTable(){
 void suppressTempINTElement(){
     if (tempCounter == 1){
         suppressElement("0_TEMP");
+        esp--;
     } else {
         if (tempCounter > 1){
             suppressElement("0_TEMP");
             suppressElement("1_TEMP");
+            esp-= 2;
         }
     }
+    tempCounter = 0;
 }
 
 /*removes one element*/

table.h

@@ -36,6 +36,9 @@ void checkArraySanity();
  * Initializes the array of Symbols*/
 void initSymbolTable();
 
+/*resets the symbol table*/
+void resetSymboltable();
+
 
 /*============================
        Element Management

yacc.y

@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include "table.h"
 #include "operations.h"
+#include "blocs.h"
 
 int t;
 %}
@@ -41,6 +42,7 @@ void yyerror (const char *);
  /* represents types with the values used in the table, see table.h */
 %type <type> Type
 %type <addr> Expression
+%type <addr> Declaration
 %type <addr> NbOrVariable
 
 %start Program
@@ -98,7 +100,9 @@ IfStatement : tIF Condition InnerBlock
 
 WhileStatement : tWHILE Condition InnerBlock;
 
-Assignment : tID tASSIGN Expression tSEMI {setInit($1); operation_afc_addr(getOffset($1),$3); suppressTempINTElement();};
+Assignment : tID tASSIGN Expression tSEMI {
+		setInit($1); operation_copy(getOffset($1),$3); suppressTempINTElement();
+	};
 
  /*Expression operation applied on variables or values*/
 Expression : NbOrVariable {$$ = $1;}
@@ -118,8 +122,8 @@ Expressions : Expression
 
 FunctionCall : tID tLPAR Expressions tRPAR;
 
-FunctionDef : Type tID FunctionParams InnerBlock
+FunctionDef : Type tID FunctionParams InnerBlock {resetSymboltable();}
-	    | tVOID tID FunctionParams InnerBlock;
+	    | tVOID tID FunctionParams InnerBlock {resetSymboltable();};
 
  /*FunctionParams = the parameters of a function*/
 FunctionParams : tLPAR tRPAR
@@ -140,12 +144,12 @@ Type : tINT {$$ = INT;}
 Declarations : Type { t = $1; } Declaration Declarations1 tSEMI ;
 
 Declaration : tID {addElement($1, (enumVarType) t);}
-            | tID tASSIGN Expression {addElement($1, (enumVarType) t);setInit($1);} ;
+            | tID {addElement($1, (enumVarType) t); setInit($1);} tASSIGN Expression {operation_copy(getOffset($1),$4); suppressTempINTElement();} ;
 
 Declarations1 : tCOMMA Declaration Declarations1 | {} ;
 
 
-Return : tRETURN Expression tSEMI {decreaseDepth();};
+Return : tRETURN Expression tSEMI {};
 
 Print : tPRINT tLPAR Expression tRPAR tSEMI;
 
@@ -157,6 +161,7 @@ void yyerror(const char *msg) {
 }
 
 int main(void) {
+	clearOp();
 	initSymbolTable();
 	yyparse();
 }