static void param_list()
{
int seq = 0;
do
{
insert_param(param(),seq,¤t_function->u.f.param_head);
seq++;
if(token == TOK_COMMA)
match(TOK_COMMA);
else
break;
}while(true);
}
custom_wave_t * new_custom_wave(int id) {
custom_wave_t * custom_wave;
param_t * param;
if ((custom_wave = (custom_wave_t*)malloc(sizeof(custom_wave_t))) == NULL)
return NULL;
custom_wave->id = id;
custom_wave->per_frame_count = 0;
custom_wave->samples = 512;
custom_wave->bSpectrum = 0;
custom_wave->enabled = 1;
custom_wave->sep = 1;
custom_wave->smoothing = 0.0;
custom_wave->bUseDots = 0;
custom_wave->bAdditive = 0;
custom_wave->r = custom_wave->g = custom_wave->b = custom_wave->a = 0.0;
custom_wave->scaling = 1.0;
custom_wave->per_frame_eqn_string_index = 0;
custom_wave->per_frame_init_eqn_string_index = 0;
custom_wave->per_point_eqn_string_index = 0;
custom_wave->r_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->g_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->b_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->a_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->x_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->y_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->value1 = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->value2 = malloc(MAX_SAMPLE_SIZE*sizeof(double));
custom_wave->sample_mesh = malloc(MAX_SAMPLE_SIZE*sizeof(double));
/* Initialize tree data structures */
if ((custom_wave->param_tree =
create_splaytree(compare_string, copy_string, free_string)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if ((custom_wave->per_point_eqn_tree =
create_splaytree(compare_int, copy_int, free_int)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if ((custom_wave->per_frame_eqn_tree =
create_splaytree(compare_int, copy_int, free_int)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if ((custom_wave->init_cond_tree =
create_splaytree(compare_string, copy_string, free_string)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if ((custom_wave->per_frame_init_eqn_tree =
create_splaytree(compare_string, copy_string, free_string)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
/* Start: Load custom wave parameters */
if ((param = new_param_double("r", P_FLAG_DONT_FREE_MATRIX | P_FLAG_PER_POINT, &custom_wave->r, custom_wave->r_mesh, 1.0, 0.0, .5)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("g", P_FLAG_DONT_FREE_MATRIX | P_FLAG_PER_POINT, &custom_wave->g, custom_wave->g_mesh, 1.0, 0.0, .5)) == NULL){
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("b", P_FLAG_DONT_FREE_MATRIX | P_FLAG_PER_POINT, &custom_wave->b, custom_wave->b_mesh, 1.0, 0.0, .5)) == NULL){
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("a", P_FLAG_DONT_FREE_MATRIX | P_FLAG_PER_POINT, &custom_wave->a, custom_wave->a_mesh, 1.0, 0.0, .5)) == NULL){
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("x", P_FLAG_DONT_FREE_MATRIX | P_FLAG_PER_POINT, &custom_wave->x, custom_wave->x_mesh, 1.0, 0.0, .5)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("y", P_FLAG_DONT_FREE_MATRIX | P_FLAG_PER_POINT, &custom_wave->y, custom_wave->y_mesh, 1.0, 0.0, .5)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_bool("enabled", P_FLAG_NONE, &custom_wave->enabled, 1, 0, 0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_int("sep", P_FLAG_NONE, &custom_wave->sep, 100, -100, 0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_bool("bSpectrum", P_FLAG_NONE, &custom_wave->bSpectrum, 1, 0, 0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_bool("bDrawThick", P_FLAG_NONE, &custom_wave->bDrawThick, 1, 0, 0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_bool("bUseDots", P_FLAG_NONE, &custom_wave->bUseDots, 1, 0, 0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_bool("bAdditive", P_FLAG_NONE, &custom_wave->bAdditive, 1, 0, 0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_int("samples", P_FLAG_NONE, &custom_wave->samples, 2048, 1, 512)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("sample", P_FLAG_READONLY | P_FLAG_DONT_FREE_MATRIX | P_FLAG_ALWAYS_MATRIX | P_FLAG_PER_POINT,
&custom_wave->sample, custom_wave->sample_mesh, 1.0, 0.0, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
printf("failed to insert sample\n");
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("value1", P_FLAG_READONLY | P_FLAG_DONT_FREE_MATRIX | P_FLAG_ALWAYS_MATRIX | P_FLAG_PER_POINT, &custom_wave->v1, custom_wave->value1, 1.0, -1.0, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("value2", P_FLAG_READONLY | P_FLAG_DONT_FREE_MATRIX | P_FLAG_ALWAYS_MATRIX | P_FLAG_PER_POINT, &custom_wave->v2, custom_wave->value2, 1.0, -1.0, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("smoothing", P_FLAG_NONE, &custom_wave->smoothing, NULL, 1.0, 0.0, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("scaling", P_FLAG_NONE, &custom_wave->scaling, NULL, MAX_DOUBLE_SIZE, 0.0, 1.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t1", P_FLAG_PER_POINT | P_FLAG_TVAR, &custom_wave->t1, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t2", P_FLAG_PER_POINT |P_FLAG_TVAR, &custom_wave->t2, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t3", P_FLAG_PER_POINT |P_FLAG_TVAR, &custom_wave->t3, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t4", P_FLAG_PER_POINT |P_FLAG_TVAR, &custom_wave->t4, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t5", P_FLAG_TVAR, &custom_wave->t5, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t6", P_FLAG_TVAR | P_FLAG_PER_POINT, &custom_wave->t6, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t7", P_FLAG_TVAR | P_FLAG_PER_POINT, &custom_wave->t7, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
if ((param = new_param_double("t8", P_FLAG_TVAR | P_FLAG_PER_POINT, &custom_wave->t8, NULL, MAX_DOUBLE_SIZE, -MAX_DOUBLE_SIZE, 0.0)) == NULL) {
free_custom_wave(custom_wave);
return NULL;
}
if (insert_param(param, custom_wave->param_tree) < 0) {
free_custom_wave(custom_wave);
return NULL;
}
/* End of parameter loading. Note that the read only parameters associated
with custom waves (ie, sample) are global variables, and not specific to
the custom wave datastructure. */
return custom_wave;
}
void create_code(FILE *wf)
{
fprintf(wf, ".data\n");
fprintf(wf, "_prompt: .asciiz \"Enter an integer:\"\n");
fprintf(wf, "_ret: .asciiz \"\\n\"\n");
fprintf(wf, ".globl main\n");
fprintf(wf, ".text\n");
fprintf(wf, "read:\n");
fprintf(wf, "\tli $v0, 4\n");
fprintf(wf, "\tla $a0, _prompt\n");
fprintf(wf, "\tsyscall\n");
fprintf(wf, "\tli $v0, 5\n");
fprintf(wf, "\tsyscall\n");
fprintf(wf, "\tjr $ra\n");
fprintf(wf, "\n");
fprintf(wf, "write:\n");
fprintf(wf, "\tli $v0, 1\n");
fprintf(wf, "\tsyscall\n");
fprintf(wf, "\tli $v0, 4\n");
fprintf(wf, "\tla $a0, _ret\n");
fprintf(wf, "\tsyscall\n");
fprintf(wf, "\tmove $v0, $0\n");
fprintf(wf, "\tjr $ra\n");
InterCode * temp = InterCodeHead;
int num = 1;
int result = 0;
int op1 = 0;
int op2 = 0;
int arg_num = 0;
InterCode * argpos = NULL;
int i = 0;
for(; temp != NULL ; temp = temp->next)
{
switch(temp->kind)
{
case ASSIGN:
get_temp(0, temp->u.assign.right, wf);
//fprintf(wf, "\tmove $t1, $t0");
send_temp(0, temp->u.assign.left, wf);
break;
case ADDR:
get_temp(0, temp->u.addr.op1, wf);
get_temp(1, temp->u.addr.op2, wf);
fprintf(wf,"\tsub $t2, $t0, $t1\n");
fprintf(wf,"\taddi $t2, $t2, -4\n");
send_temp(2,temp->u.addr.result,wf);
break;
case MEMREAD:
get_temp(0, temp->u.assign.right, wf);
fprintf(wf,"\tlw $t1, 0($t0)\n");
send_temp(1,temp->u.assign.left,wf);
break;
case MEMWRITE:
get_temp(0, temp->u.assign.right, wf);
get_temp(1, temp->u.assign.left, wf);
fprintf(wf,"\tsw $t0, 0($t1)\n");
break;
case ADD:
get_temp(0, temp->u.addr.op1, wf);
get_temp(1, temp->u.addr.op2, wf);
fprintf(wf, "\tadd $t2, $t1, $t0\n");
send_temp(2, temp->u.addr.result, wf);
break;
case SUB:
get_temp(0, temp->u.addr.op1, wf);
get_temp(1, temp->u.addr.op2, wf);
fprintf(wf, "\tsub $t2, $t0, $t1\n");
send_temp(2, temp->u.addr.result, wf);
break;
case MUL:
get_temp(0, temp->u.addr.op1, wf);
get_temp(1, temp->u.addr.op2, wf);
fprintf(wf, "\tmul $t2, $t1, $t0\n");
send_temp(2, temp->u.addr.result, wf);
break;
case DIV:
get_temp(0, temp->u.addr.op1, wf);
get_temp(1, temp->u.addr.op2, wf);
fprintf(wf, "\tdiv $t0, $t1\n");
fprintf(wf, "\tmflo $t2\n");
send_temp(2, temp->u.addr.result, wf);
break;
case LABEL:
fprintf(wf,"label%d :\n",temp->u.label.label);
break;
case FUNCTION:
fprintf(wf,"%s:\n",temp->u.func.name);
if(strcmp(temp->u.func.name,"main") == 0)
{
fprintf(wf,"\tmove $fp, $sp\n");
fprintf(wf,"\taddi $sp, $sp, -2048\n");
fprintf(wf, "\tli $t0, 8\n");
fprintf(wf,"\tsw $t0, 4($sp)\n");
}
param_total_num = 0;
break;
case GOTO:
fprintf(wf,"\tj label%d\n",temp->u.label.label);
break;
case IF:
get_temp(0, temp->u.ifstruct.left, wf);
get_temp(1, temp->u.ifstruct.right, wf);
switch(temp->u.ifstruct.relop)
{
case 3: fprintf(wf,"\tbne "); break;
case 4: fprintf(wf,"\tbeq "); break;
case 5: fprintf(wf,"\tblt "); break;
case 6: fprintf(wf,"\tbgt "); break;
case 7: fprintf(wf,"\tbge "); break;
case 8: fprintf(wf,"\tble "); break;
default: fprintf(stdout,"error\n"); break;
}
fprintf(wf,"$t0, $t1, label%d\n", temp->u.ifstruct.label);
break;
case RETURN:
get_temp(0, temp->u.arg.result, wf);
fprintf(wf, "\tmove $v0, $t0\n");
fprintf(wf, "\tjr $ra\n");
break;
case DEC:
var_total_num = var_total_num + 4;
insert_var(temp->u.dec.dec,var_total_num);
fprintf(wf,"\tmove $t0, $fp\n");
fprintf(wf,"\taddi $t0, $t0, %d\n",-var_total_num);
fprintf(wf,"\tsw $t0, %d($fp)\n",-var_total_num);
var_total_num = var_total_num + temp->u.dec.size;
break;
case ARG:
fprintf(wf,"\tsw $ra, 0($sp)\n");
fprintf(wf,"\taddi $sp, $sp, %d\n",(param_total_num + 2) * 4);
//printf("param_total_num----%d\n",param_total_num);
argpos = temp;
arg_num = 1;
for( ; argpos->next->kind == ARG; argpos = argpos->next)
{
arg_num ++;
}
i = arg_num;
for( ; temp->next->kind == ARG; temp = temp->next)
{
get_temp(0, temp->u.arg.result, wf);
printf("arg: %d\n",i);
fprintf(wf,"\tsw $t0, %d($sp)\n", i * 4);
i --;
}
get_temp(0, temp->u.arg.result, wf);
//printf("arg: %d\n",i);
fprintf(wf,"\tsw $t0, %d($sp)\n", i * 4);
//printf("arg_num: %d\n",arg_num);
fprintf(wf,"\tli $t0, %d\n", (arg_num + 2) * 4);
fprintf(wf,"\tsw $t0, %d($sp)\n", (arg_num + 1) * 4);
temp = temp->next;
//printf("arg_num: %d----%s\n",arg_num,temp->u.callFunc.func);
fprintf(wf, "\tjal %s\n",temp->u.callFunc.func);
fprintf(wf, "\tlw $t0, -4($sp)\n");
fprintf(wf,"\tsub $sp, $sp, $t0\n");
fprintf(wf, "\tlw $ra, 0($sp)\n");
fprintf(wf, "\tmove $t0, $v0\n");
send_temp(0, temp->u.callFunc.result,wf);
break;
case CALL:
//printf("%d",num);
fprintf(wf,"\tsw $ra, 0($sp)\n");
fprintf(wf, "\tli $t0, 8\n");
fprintf(wf,"\tsw $t0, 4($sp)\n");
fprintf(wf,"\tadd $sp, $sp, $t0\n");
fprintf(wf, "\tjal %s\n",temp->u.callFunc.func);
fprintf(wf, "\tlw $t0, -4($sp)\n");
fprintf(wf,"\tsub $sp, $sp, $t0\n");
fprintf(wf, "\tlw $ra, 0($sp)\n");
fprintf(wf, "\tmove $t0, $v0\n");
send_temp(0, temp->u.callFunc.result,wf);
break;
case PARAM:
num = 1;
param_total_num = 1;
for( ; temp->next->kind == PARAM; temp = temp->next)
{
param_total_num ++;
insert_param(temp->u.arg.result, num);
num ++;
}
insert_param(temp->u.arg.result, num);
num ++;
break;
case READ:
fprintf(wf,"\tsw $ra, 0($sp)\n");
fprintf(wf,"\taddi $sp, $sp, 4\n");
fprintf(wf, "\tjal read\n");
fprintf(wf,"\tsub $sp, $sp, 4\n");
fprintf(wf, "\tlw $ra, 0($sp)\n");
fprintf(wf, "\tmove $t0, $v0\n");
send_temp(0, temp->u.arg.result,wf);
break;
case WRITE:
fprintf(wf,"\tsw $ra, 0($sp)\n");
fprintf(wf,"\taddi $sp, $sp, 4\n");
get_temp(0, temp->u.arg.result, wf);
fprintf(wf,"\tmove $a0, $t0\n");
fprintf(wf, "\tjal write\n");
fprintf(wf,"\taddi $sp, $sp, -4\n");
fprintf(wf, "\tlw $ra, 0($sp)\n");
break;
default:
break;
}
}
}
