From 7fcb3a29022acfe02a9e125151213d128bc6f25a Mon Sep 17 00:00:00 2001
From: rugengande <jaenai.rugengande-ihimbazwe@etu.unistra.fr>
Date: Fri, 27 Dec 2024 21:33:24 +0100
Subject: [PATCH 1/3] Code generation for simple assigning,print and string
print
---
lib.c | 36 +++++++++++++++++++++++++++---------
main.c | 2 ++
2 files changed, 29 insertions(+), 9 deletions(-)
diff --git a/lib.c b/lib.c
index ba27d2a..0c7f35b 100644
--- a/lib.c
+++ b/lib.c
@@ -284,7 +284,7 @@ static void quad_dump(struct quad * q, FILE* fout)
{
switch ( q->kind )
{
- case BOP_PLUS:
+ /*case BOP_PLUS:
symbol_dump(q->sym1,fout);
fprintf(fout," := ");
symbol_dump(q->sym2,fout);
@@ -328,7 +328,7 @@ static void quad_dump(struct quad * q, FILE* fout)
case DEF_FUNCTION:
symbol_dump(q->sym1,fout);
fprintf(fout,":");
- break;
+ break;*/
case CALL_PRINT:
fprintf(fout,"print ");
symbol_dump(q->sym1,fout);
@@ -342,7 +342,7 @@ static void quad_dump(struct quad * q, FILE* fout)
fprintf(fout," := ");
symbol_dump(q->sym2,fout);
break;
- case ALLOCATE_ARRAY:
+ /*case ALLOCATE_ARRAY:
fprintf(fout,"Allocate '");
symbol_dump(q->sym1,fout);
fprintf(fout,"' to an one dimensional array of length ");
@@ -365,7 +365,7 @@ static void quad_dump(struct quad * q, FILE* fout)
fprintf(fout,"[");
symbol_dump(q->sym3,fout);
fprintf(fout,"]");
- break;
+ break;*/
default:
fprintf(stderr,"BUG quad_dump(...) : q->kind inconnu\n");
break;
@@ -410,6 +410,12 @@ void code_mips_dump(struct symtable * t, struct code * c){
else if(t->symbols[i].kind == CONSTANT_FLOAT){ //FLOAT CONSTANT
fprintf(stdout,"\ttemp%d: .word %0.2f\n",i,t->symbols[i].u.value_float);
}
+ else if(t->symbols[i].kind == CHAIN){ //CHAIN
+ fprintf(stdout,"\ttemp%d: .asciiz %s\n",i,t->symbols[i].u.chaine);
+ }
+ else if(t->symbols[i].kind == NAME_LOC){
+ fprintf(stdout,"\t%s: .word 0\n",t->symbols[i].u.name);
+ }
else{ //NAME
fprintf(stdout,"\ttemp%d: .word 0\n",i);
}
@@ -417,10 +423,13 @@ void code_mips_dump(struct symtable * t, struct code * c){
fprintf(stdout,"\n\n.text\n main:\n");
+ //int reg_counter=0;
+ //int max_temp_regs=7;
+
for(i = 0; i<c->nextquad; i++){
switch (c->quads[i].kind)
{
- case BOP_PLUS:
+ /*case BOP_PLUS:
fprintf(stdout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
fprintf(stdout,"\tlw $t1, temp%d\n",indice_temp(t,c->quads[i].sym3));
fprintf(stdout,"\tadd $t0, $t0, $t1\n");
@@ -443,18 +452,27 @@ void code_mips_dump(struct symtable * t, struct code * c){
fprintf(stdout,"\tlw $t1, temp%d\n",indice_temp(t,c->quads[i].sym2));
fprintf(stdout,"\tsub $t0, $t0, $t1\n");
fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
- break;
+ break;*/
case CALL_PRINT:
+ fprintf(stdout,"\tlw $t0, %s\n",c->quads[i].sym1->u.name);
+ fprintf(stdout,"\tmove $a0, $t0\n");
fprintf(stdout,"\tli $v0, 1\n");
- fprintf(stdout,"\tlw $a0, temp%d\n",indice_temp(t,c->quads[i].sym1));
+ //fprintf(stdout,"\tla $a0, %s\n",c->quads[i].sym1->u.name);
+ fprintf(stdout,"\tsyscall\n");
+ break;
+ case CALL_PRINTSTR:
+ fprintf(stdout,"\tli $v0, 4\n");
+ fprintf(stdout,"\tla $a0, temp%d\n",indice_temp(t,c->quads[i].sym1));
fprintf(stdout,"\tsyscall\n");
break;
case COPY:
fprintf(stdout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
- fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
+ //fprintf(stdout,"\tsw $t%d, temp%d\n",reg_counter%max_temp_regs,indice_temp(t,c->quads[i].sym1));
+ fprintf(stdout,"\tsw $t0, %s\n",c->quads[i].sym1->u.name);
+ //reg_counter++;
break;
default:
- fprintf(stderr,"BUG\n");
+ fprintf(stderr,"#BUG %d\n",c->quads[i].kind);
break;
}
}
diff --git a/main.c b/main.c
index 272306c..7ef4e4b 100644
--- a/main.c
+++ b/main.c
@@ -48,6 +48,8 @@ int main(int argc, char *argv[])
// Generate intermediate code
code_dump(CODE,fname);
+ code_mips_dump(SYMTAB,CODE);
+
// Free memory
symtable_free(SYMTAB);
code_free(CODE);
--
GitLab
From 733eda3fce965fccab6cc157863121cae92798d7 Mon Sep 17 00:00:00 2001
From: rugengande <jaenai.rugengande-ihimbazwe@etu.unistra.fr>
Date: Sat, 28 Dec 2024 21:23:17 +0100
Subject: [PATCH 2/3] Register MIPS generated code into an output file
---
lib.c | 50 ++++++++++++++++++++++++++++++--------------------
lib.h | 2 +-
main.c | 2 +-
3 files changed, 32 insertions(+), 22 deletions(-)
diff --git a/lib.c b/lib.c
index 0c7f35b..517ed00 100644
--- a/lib.c
+++ b/lib.c
@@ -397,31 +397,39 @@ int indice_temp(struct symtable* t, struct symbol* s){
return i;
}
-void code_mips_dump(struct symtable * t, struct code * c){
- fprintf(stdout,".data\n");
+void code_mips_dump(struct symtable * t, struct code * c, FILE* fout){
+ fprintf(fout,".data\n");
+ fprintf(fout,"\tlf: .asciiz \"\\n\"\n");
if(t==NULL){fprintf(stderr,"Code mips dump: symtable null\n"); exit(1);}
unsigned int i =0;
for(i=i; i<t->size; i++){
if(t->symbols[i].kind == CONSTANT_INT){ //INTEGER CONSTANT
- fprintf(stdout,"\ttemp%d: .word %ld\n",i,t->symbols[i].u.value_int);
+ fprintf(fout,"\ttemp%d: .word %ld\n",i,t->symbols[i].u.value_int);
}
else if(t->symbols[i].kind == CONSTANT_FLOAT){ //FLOAT CONSTANT
- fprintf(stdout,"\ttemp%d: .word %0.2f\n",i,t->symbols[i].u.value_float);
+ fprintf(fout,"\ttemp%d: .word %0.2f\n",i,t->symbols[i].u.value_float);
}
else if(t->symbols[i].kind == CHAIN){ //CHAIN
- fprintf(stdout,"\ttemp%d: .asciiz %s\n",i,t->symbols[i].u.chaine);
+ fprintf(fout,"\ttemp%d: .asciiz %s\n",i,t->symbols[i].u.chaine);
}
else if(t->symbols[i].kind == NAME_LOC){
- fprintf(stdout,"\t%s: .word 0\n",t->symbols[i].u.name);
+ fprintf(fout,"\t%s: .word 0\n",t->symbols[i].u.name);
}
else{ //NAME
- fprintf(stdout,"\ttemp%d: .word 0\n",i);
+ fprintf(fout,"\ttemp%d: .word 0\n",i);
}
}
- fprintf(stdout,"\n\n.text\n main:\n");
+ //Macro for new line print
+ fprintf(fout,".macro LF\n");
+ fprintf(fout,"\tli $v0, 4\n");
+ fprintf(fout,"\tla $a0, lf\n");
+ fprintf(fout,"\tsyscall\n");
+ fprintf(fout,".end_macro\n");
+ fprintf(fout,"\n\n.text\n main:\n");
+
//int reg_counter=0;
//int max_temp_regs=7;
@@ -454,21 +462,23 @@ void code_mips_dump(struct symtable * t, struct code * c){
fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
break;*/
case CALL_PRINT:
- fprintf(stdout,"\tlw $t0, %s\n",c->quads[i].sym1->u.name);
- fprintf(stdout,"\tmove $a0, $t0\n");
- fprintf(stdout,"\tli $v0, 1\n");
+ fprintf(fout,"\tlw $t0, %s\n",c->quads[i].sym1->u.name);
+ fprintf(fout,"\tmove $a0, $t0\n");
+ fprintf(fout,"\tli $v0, 1\n");
//fprintf(stdout,"\tla $a0, %s\n",c->quads[i].sym1->u.name);
- fprintf(stdout,"\tsyscall\n");
+ fprintf(fout,"\tsyscall\n");
+ //Return to line
+ fprintf(fout,"\tLF\n");
break;
case CALL_PRINTSTR:
- fprintf(stdout,"\tli $v0, 4\n");
- fprintf(stdout,"\tla $a0, temp%d\n",indice_temp(t,c->quads[i].sym1));
- fprintf(stdout,"\tsyscall\n");
+ fprintf(fout,"\tli $v0, 4\n");
+ fprintf(fout,"\tla $a0, temp%d\n",indice_temp(t,c->quads[i].sym1));
+ fprintf(fout,"\tsyscall\n");
break;
case COPY:
- fprintf(stdout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
+ fprintf(fout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
//fprintf(stdout,"\tsw $t%d, temp%d\n",reg_counter%max_temp_regs,indice_temp(t,c->quads[i].sym1));
- fprintf(stdout,"\tsw $t0, %s\n",c->quads[i].sym1->u.name);
+ fprintf(fout,"\tsw $t0, %s\n",c->quads[i].sym1->u.name);
//reg_counter++;
break;
default:
@@ -477,9 +487,9 @@ void code_mips_dump(struct symtable * t, struct code * c){
}
}
- fprintf(stdout,"\t# exit\n");
- fprintf(stdout,"\tli $v0,10\n");
- fprintf(stdout,"\tsyscall\n");
+ fprintf(fout,"\t# exit\n");
+ fprintf(fout,"\tli $v0,10\n");
+ fprintf(fout,"\tsyscall\n");
}
void code_free(struct code * c)
diff --git a/lib.h b/lib.h
index 79bc692..d8c32da 100644
--- a/lib.h
+++ b/lib.h
@@ -114,7 +114,7 @@ struct symbol *newtemp(struct symtable * t);
// Display in the 'fout' output file the intermediate code (in commentary)
void code_dump(struct code * c, FILE* fout);
// Display in the 'fout' output file the mips code
-void code_mips_dump(struct symtable * t, struct code * c);
+void code_mips_dump(struct symtable * t, struct code * c, FILE* fout);
// Free memory of the code struct
void code_free(struct code * c);
diff --git a/main.c b/main.c
index 7ef4e4b..5ec6af1 100644
--- a/main.c
+++ b/main.c
@@ -48,7 +48,7 @@ int main(int argc, char *argv[])
// Generate intermediate code
code_dump(CODE,fname);
- code_mips_dump(SYMTAB,CODE);
+ code_mips_dump(SYMTAB,CODE,fname);
// Free memory
symtable_free(SYMTAB);
--
GitLab
From 8132dc5e5a96cb4327a64a6ca783385e2b95c7e8 Mon Sep 17 00:00:00 2001
From: rugengande <jaenai.rugengande-ihimbazwe@etu.unistra.fr>
Date: Sun, 29 Dec 2024 15:06:51 +0100
Subject: [PATCH 3/3] remove unnecessary commented code
---
lib.c | 37 ++++---------------------------------
1 file changed, 4 insertions(+), 33 deletions(-)
diff --git a/lib.c b/lib.c
index 517ed00..997d101 100644
--- a/lib.c
+++ b/lib.c
@@ -284,7 +284,7 @@ static void quad_dump(struct quad * q, FILE* fout)
{
switch ( q->kind )
{
- /*case BOP_PLUS:
+ case BOP_PLUS:
symbol_dump(q->sym1,fout);
fprintf(fout," := ");
symbol_dump(q->sym2,fout);
@@ -328,7 +328,7 @@ static void quad_dump(struct quad * q, FILE* fout)
case DEF_FUNCTION:
symbol_dump(q->sym1,fout);
fprintf(fout,":");
- break;*/
+ break;
case CALL_PRINT:
fprintf(fout,"print ");
symbol_dump(q->sym1,fout);
@@ -342,7 +342,7 @@ static void quad_dump(struct quad * q, FILE* fout)
fprintf(fout," := ");
symbol_dump(q->sym2,fout);
break;
- /*case ALLOCATE_ARRAY:
+ case ALLOCATE_ARRAY:
fprintf(fout,"Allocate '");
symbol_dump(q->sym1,fout);
fprintf(fout,"' to an one dimensional array of length ");
@@ -365,7 +365,7 @@ static void quad_dump(struct quad * q, FILE* fout)
fprintf(fout,"[");
symbol_dump(q->sym3,fout);
fprintf(fout,"]");
- break;*/
+ break;
default:
fprintf(stderr,"BUG quad_dump(...) : q->kind inconnu\n");
break;
@@ -431,41 +431,14 @@ void code_mips_dump(struct symtable * t, struct code * c, FILE* fout){
fprintf(fout,"\n\n.text\n main:\n");
- //int reg_counter=0;
- //int max_temp_regs=7;
for(i = 0; i<c->nextquad; i++){
switch (c->quads[i].kind)
{
- /*case BOP_PLUS:
- fprintf(stdout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
- fprintf(stdout,"\tlw $t1, temp%d\n",indice_temp(t,c->quads[i].sym3));
- fprintf(stdout,"\tadd $t0, $t0, $t1\n");
- fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
- break;
- case BOP_MINUS:
- fprintf(stdout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
- fprintf(stdout,"\tlw $t1, temp%d\n",indice_temp(t,c->quads[i].sym3));
- fprintf(stdout,"\tsub $t0, $t0, $t1\n");
- fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
- break;
- case BOP_MULT:
- fprintf(stdout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
- fprintf(stdout,"\tlw $t1, temp%d\n",indice_temp(t,c->quads[i].sym3));
- fprintf(stdout,"\tmul $t0, $t0, $t1\n");
- fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
- break;
- case UOP_MINUS:
- fprintf(stdout,"\tli $t0, 0\n");
- fprintf(stdout,"\tlw $t1, temp%d\n",indice_temp(t,c->quads[i].sym2));
- fprintf(stdout,"\tsub $t0, $t0, $t1\n");
- fprintf(stdout,"\tsw $t0, temp%d\n",indice_temp(t,c->quads[i].sym1));
- break;*/
case CALL_PRINT:
fprintf(fout,"\tlw $t0, %s\n",c->quads[i].sym1->u.name);
fprintf(fout,"\tmove $a0, $t0\n");
fprintf(fout,"\tli $v0, 1\n");
- //fprintf(stdout,"\tla $a0, %s\n",c->quads[i].sym1->u.name);
fprintf(fout,"\tsyscall\n");
//Return to line
fprintf(fout,"\tLF\n");
@@ -477,9 +450,7 @@ void code_mips_dump(struct symtable * t, struct code * c, FILE* fout){
break;
case COPY:
fprintf(fout,"\tlw $t0, temp%d\n",indice_temp(t,c->quads[i].sym2));
- //fprintf(stdout,"\tsw $t%d, temp%d\n",reg_counter%max_temp_regs,indice_temp(t,c->quads[i].sym1));
fprintf(fout,"\tsw $t0, %s\n",c->quads[i].sym1->u.name);
- //reg_counter++;
break;
default:
fprintf(stderr,"#BUG %d\n",c->quads[i].kind);
--
GitLab