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ilist.c
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ilist.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ilist.h"
#include "symtab.h"
#include "scanner.h"
#include "builtin.h"
void print_built_in_asc();
void print_built_in_length();
void print_built_in_chr();
void print_built_in_substr();
struct I_output *Instr = NULL;
char *convert_string(char *str)
{
int len = 0;
size_t max_len = 2*strlen(str);
char c[5];
char *result = (char*)malloc(max_len*sizeof(char));
result[0] = '\0';
if(result == NULL)
return NULL;
for(unsigned i = 0; str[i] != '\0'; i++)
{
if(i + 5 > max_len)
{
max_len *= 2;
result = realloc(result, max_len);
if(result == NULL)
return NULL;
}
if((str[i] >= 0 && str[i] <= 32) || str[i] == 35 || str[i] == 92 || str[i] == 34)
{
sprintf(c, "%d", str[i]);
result[len] = 92;
len++;
result[len] = '0';
len++;
strcpy(&result[len], c);
len += 2;
}
else
{
result[len] = str[i];
len++;
}
}
result[len] = '\0';
return result;
}
void addInstComment(char *comment)
{
if(strlen(comment) >= INSTSIZE)
return;
strcpy(INST, "#************** %s **************\n");
strcat(INST, comment);
Instr->used_lines++;
return;
}
void inst_free()
{
for (unsigned i = 0; i < Instr->alloc_lines; i++)
free(Instr->instrList[i]);
free(Instr);
}
void print_all()
{
printf(".IFJcode17\njump Scope\n");
if(BuiltInUnique.Asc)
print_built_in_asc();
if(BuiltInUnique.Length)
print_built_in_length();
if(BuiltInUnique.Chr)
print_built_in_chr();
if(BuiltInUnique.SubStr)
{
if(!BuiltInUnique.Length)
print_built_in_length();
print_built_in_substr();
}
for (unsigned i = 0; i < Instr->used_lines; i++)
printf("%s\n", Instr->instrList[i]);
}
int add_instruction(int instType, token_t *op1, string *op2, token_t *op3)
{
static int inst_if = 0;
static int before_cond = 0;
static int inst_while = 0;
static int inst_loop = 0;
static int after_cond = 0;
static I_context context = con_NONE;
char c[100];
if(Instr->alloc_lines <= (Instr->used_lines + 40))
{
Instr = realloc(Instr, sizeof(struct I_output) + Instr->alloc_lines*2*sizeof(char*));
if(Instr == NULL)
return INTERNAL_ERROR;
unsigned tmp = Instr->alloc_lines*2;
for(unsigned i = Instr->alloc_lines; i < tmp; i++)
{
Instr->instrList[i] = (char*)malloc(INSTSIZE*sizeof(char));
if(Instr->instrList[i] == NULL)
return INTERNAL_ERROR;
Instr->alloc_lines++;
}
}
switch(instType)
{
case(LABEL):
strcpy(INST, "LABEL ");
strcat(INST, op1->value.stringVal->str);
strcat(INST, "\n");
break;
case(DEFVAR_TF):
strcpy(INST, "DEFVAR TF@");
if(op1 != NULL)
{
strcat(INST, op1->value.stringVal->str);
strcat(INST, "\n");
}
else
{
strcat(INST, op2->str);
strcat(INST, "\n");
}
break;
case(DEFVAR_LF):
strcpy(INST, "DEFVAR LF@");
if(op1 != NULL)
{
strcat(INST, op1->value.stringVal->str);
strcat(INST, "\n");
}
else
{
strcat(INST, op2->str);
strcat(INST, "\n");
}
break;
case(CREATEFRAME):
strcpy(INST, "CREATEFRAME");
strcat(INST, "\n");
break;
case(PUSHFRAME):
strcpy(INST, "PUSHFRAME");
strcat(INST, "\n");
break;
case(CALL):
strcpy(INST, "CALL ");
strcat(INST, op2->str);
strcat(INST, "\n");
break;
case(RETURN):
strcpy(INST, "POPFRAME\n");
Instr->used_lines++;
strcpy(INST, "RETURN \n");
break;
case(PUSHS):
strcpy(INST, "PUSHS ");
if(op1 != NULL)
{
switch(op1->type)
{
case TOK_identifier:
strcat(INST, "LF@");
strcat(INST, op1->value.stringVal->str);
strcat(INST, "\n");
break;
case TOK_integer:
strcat(INST, "int@");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
strcat(INST, "\n");
break;
case TOK_decimal:
strcat(INST, "float@");
sprintf(c, "%g", op1->value.decimal);
strcat(INST, c);
strcat(INST, "\n");
break;
case TOK_string:
strcat(INST, "string@");
if(strlen(op1->value.stringVal->str) != 0)
{
char *tmp = convert_string(op1->value.stringVal->str);
strcat(INST, tmp);
free(tmp);
}
break;
default:
return INTERNAL_ERROR;
}
}
else
{
strcat(INST, "LF@");
strcat(INST, op2->str);
strcat(INST, "\n");
}
break;
case(POPS):
strcpy(INST, "POPS LF@");
strcat(INST, op2->str);
strcat(INST, "\n");
break;
case(RETVAL_POP):
strcpy(INST, "POPS LF@%retval\n");
break;
case(ADDS):
strcpy(INST, "ADDS\n");
break;
case(SUBS):
strcpy(INST, "SUBS\n");
break;
case(MULS):
strcpy(INST, "MULS\n");
break;
case(DIVS):
strcpy(INST, "DIVS\n");
break;
case(LTS):
strcpy(INST, "LTS\n");
break;
case(GTS):
strcpy(INST, "GTS\n");
break;
case(EQS):
strcpy(INST, "EQS\n");
break;
case(NOTS):
strcpy(INST, "NOTS\n");
break;
case(INT2FLOATS):
strcpy(INST, "INT2FLOATS\n");
break;
case(FLOAT2R2EINTS):
strcpy(INST, "FLOAT2R2EINTS\n");
break;
case(READ):
strcpy(INST, "WRITE string@?\\032\n");
Instr->used_lines++;
strcpy(INST, "READ LF@");
strcat(INST, op1->value.stringVal->str);
switch(op1->type)
{
case KW_integer:
strcat(INST, " int");
break;
case KW_double:
strcat(INST, " float");
break;
case KW_string:
strcat(INST, " string");
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(FUNC):
strcpy(INST, "LABEL ");
strcat(INST, op1->value.stringVal->str);
strcat(INST, "\n");
Instr->used_lines++;
strcpy(INST, "PUSHfRAME\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@%retval\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$int\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$dec\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$int2\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$dec2\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$str\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$test\n");
Instr->used_lines++;
strcpy(INST, "MOVE LF@$test bool@false\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$str2\n");
Instr->used_lines++;
strcpy(INST, "MOVE LF@$str string@\n");
Instr->used_lines++;
strcpy(INST, "MOVE LF@$str2 string@\n");
break;
case(SCOPE):
strcpy(INST, "\nLABEL Scope\n");
Instr->used_lines++;
strcpy(INST, "CREATEfRAME\n");
Instr->used_lines++;
strcpy(INST, "PUSHfRAME\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$int\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$dec\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$str\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$int2\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$dec2\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$test\n");
Instr->used_lines++;
strcpy(INST, "MOVE LF@$test bool@false\n");
Instr->used_lines++;
strcpy(INST, "DEFVAR LF@$str2\n");
Instr->used_lines++;
strcpy(INST, "MOVE LF@$str string@\n");
Instr->used_lines++;
strcpy(INST, "MOVE LF@$str2 string@\n");
break;
case(MOVE_LF_LF):
strcpy(INST, "MOVE LF@");
strcat(INST, op2->str);
switch(op1->type)
{
case TOK_identifier:
strcat(INST, " LF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_integer:
strcat(INST, " int@");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
break;
case TOK_decimal:
strcat(INST, " float@");
sprintf(c, "%g", op1->value.decimal);
strcat(INST, c);
break;
case TOK_string:
strcat(INST, " string@");
if(strlen(op1->value.stringVal->str) != 0)
{
char *tmp = convert_string(op1->value.stringVal->str);
strcat(INST, tmp);
free(tmp);
}
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(MOVE_TF_LF):
strcpy(INST, "MOVE TF@");
strcat(INST, op2->str);
switch(op1->type)
{
case TOK_identifier:
strcat(INST, " LF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_integer:
strcat(INST, " int@");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
break;
case TOK_decimal:
strcat(INST, " float@");
sprintf(c, "%g", op1->value.decimal);
strcat(INST, c);
break;
case TOK_string:
strcat(INST, " string@");
if(strlen(op1->value.stringVal->str) != 0)
{
char *tmp = convert_string(op1->value.stringVal->str);
strcat(INST, tmp);
free(tmp);
}
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(MOVE_LF_TF):
strcpy(INST, "MOVE LF@");
strcat(INST, op2->str);
switch(op1->type)
{
case TOK_identifier:
strcat(INST, " TF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_integer:
strcat(INST, " int@");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
break;
case TOK_decimal:
strcat(INST, " float@");
sprintf(c, "%g", op1->value.decimal);
strcat(INST, c);
break;
case TOK_string:
strcat(INST, " string@");
if(strlen(op1->value.stringVal->str) != 0)
{
char *tmp = convert_string(op1->value.stringVal->str);
strcat(INST, tmp);
free(tmp);
}
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(MOVE):
strcpy(INST, "MOVE LF@");
strcat(INST, op2->str);
switch(op1->type)
{
case KW_integer:
strcat(INST, " int@0");
// sprintf(c, "%d", op1->value.integer);
// strcat(INST, c);
break;
case KW_double:
strcat(INST, " float@0.0");
// sprintf(c, "%g", op1->value.decimal);
// strcat(INST, c);
break;
case KW_string:
strcat(INST, " string@");
//sprintf(c, "%d", op1->value.stringVal);
//strcat(INST, c);
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(RETVAL_IN):
strcpy(INST, "MOVE LF@%retval ");
switch(op1->type)
{
case TOK_identifier:
strcat(INST, "LF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_integer:
strcat(INST, "int@");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
break;
case TOK_decimal:
strcat(INST, "float@");
sprintf(c, "%g", op1->value.decimal);
strcat(INST, c);
break;
case TOK_string:
strcat(INST, " string@");
if(strlen(op1->value.stringVal->str) != 0)
{
char *tmp = convert_string(op1->value.stringVal->str);
strcat(INST, tmp);
free(tmp);
}
break;
case KW_double:
strcat(INST, "float@0.0\n");
break;
case KW_integer:
strcat(INST, "int@0\n");
break;
case KW_string:
strcat(INST, "string@\n");
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(RETVAL_OUT):
strcpy(INST, "MOVE LF@");
strcat(INST, op1->value.stringVal->str);
strcat(INST, " TF@%retval\n");
break;
case(WHILE):
context = con_WHILE;
inst_while = op1->value.integer;
strcpy(INST, "LABEL ");
sprintf(c, "%d", inst_while);
strcat(INST, "$$");
strcat(INST, c);
strcat(INST, "$$WHILE\n");
break;
case(LOOP):
context = con_NONE;
inst_while = op1->value.integer;
strcpy(INST, "JUMP ");
strcat(INST, "$$");
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$WHILE\n");
Instr->used_lines++;
strcpy(INST, "LABEL ");
strcat(INST, "$$");
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$LOOP\n");
inst_loop += 1;
break;
case(IF):
context = con_IF;
inst_if = op1->value.integer;
return SUCCESS;
case(ELSE):
context = con_NONE;
strcpy(INST, "JUMP ");
strcat(INST, "$$");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
strcat(INST, "$$ENDIF\n");
Instr->used_lines++;
strcpy(INST, "LABEL ");
strcat(INST, "$$");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
strcat(INST, "$$ELSE\n");
break;
case(ENDIF):
strcpy(INST, "LABEL ");
strcat(INST, "$$");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
strcat(INST, "$$ENDIF\n");
break;
case(JUMPIFEQS):
strcpy(INST, "PUSHS bool@false\n");
Instr->used_lines++;
strcpy(INST, "JUMPIFEQS ");
strcat(INST, "$$");
switch(context)
{
case(con_IF):
sprintf(c, "%d", inst_if);
strcat(INST, c);
strcat(INST, "$$ELSE\n");
break;
case(con_WHILE):
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$LOOP\n");
break;
default:
return INTERNAL_ERROR;
}
break;
case(LTEQS):
before_cond++;
after_cond++;
strcpy(INST, "JUMPIFNEQS ");
strcat(INST, "$$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE\n");
Instr->used_lines++;
strcpy(INST, "JUMP ");
strcat(INST, "$$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER\n");
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE");
Instr->used_lines++;
strcpy(INST, "LTS\n");
Instr->used_lines++;
strcpy(INST, "PUSHS bool@false\n");
Instr->used_lines++;
strcpy(INST, "JUMPIFEQS ");
strcat(INST, "$$");
switch(context)
{
case(con_IF):
sprintf(c, "%d", inst_if);
strcat(INST, c);
strcat(INST, "$$ELSE\n");
break;
case(con_WHILE):
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$LOOP\n");
break;
default:
return INTERNAL_ERROR;
}
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER");
break;
case(GTEQS):
before_cond++;
after_cond++;
strcpy(INST, "JUMPIFNEQS ");
strcat(INST, "$$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE\n");
Instr->used_lines++;
strcpy(INST, "JUMP ");
strcat(INST, "$$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER\n");
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE");
Instr->used_lines++;
strcpy(INST, "GTS\n");
Instr->used_lines++;
strcpy(INST, "PUSHS bool@false\n");
Instr->used_lines++;
strcpy(INST, "JUMPIFEQS ");
strcat(INST, "$$");
switch(context)
{
case(con_IF):
sprintf(c, "%d", inst_if);
strcat(INST, c);
strcat(INST, "$$ELSE\n");
break;
case(con_WHILE):
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$LOOP\n");
break;
default:
return INTERNAL_ERROR;
}
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER");
break;
case(JUMPIFENQS):
strcpy(INST, "PUSHS bool@false\n");
Instr->used_lines++;
strcpy(INST, "JUMPIFNEQS ");
strcat(INST, "$$");
switch(context)
{
case(con_IF):
sprintf(c, "%d", inst_if);
strcat(INST, c);
strcat(INST, "$$ELSE\n");
break;
case(con_WHILE):
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$LOOP\n");
break;
default:
return INTERNAL_ERROR;
}
break;
case(RETVAL_INT2FLOAT_OUT):
strcpy(INST, "INT2FLOAT LF@");
strcat(INST, op2->str);
strcat(INST, " TF@%retval");
break;
case(RETVAL_FLOAT2R2EINT_OUT):
strcpy(INST, "FLOAT2R2EINT LF@");
strcat(INST, op2->str);
strcat(INST, " TF@%retval");
break;
case(RETVAL_INT2FLOAT_IN):
strcpy(INST, "INT2FLOAT LF@%retval");
strcat(INST, " LF@");
strcat(INST, op2->str);
strcat(INST, "\n");
break;
case(RETVAL_FLOAT2R2EINT_IN):
strcpy(INST, "FLOAT2R2EINT LF@%retval");
strcat(INST, " LF@");
strcat(INST, op2->str);
strcat(INST, "\n");
break;
case(INT2FLOAT):
strcpy(INST, "INT2FLOAT TF@");
strcat(INST, op2->str);
switch(op1->type)
{
case TOK_identifier:
strcat(INST, " LF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_integer:
strcat(INST, " int@");
sprintf(c, "%d", op1->value.integer);
strcat(INST, c);
strcat(INST, "\n");
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(FLOAT2R2EINT):
strcpy(INST, "FLOAT2R2EINT TF@");
strcat(INST, op2->str);
switch(op1->type)
{
case TOK_identifier:
strcat(INST, " LF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_decimal:
strcat(INST, " float@");
sprintf(c, "%g", op1->value.decimal);
strcat(INST, c);
strcat(INST, "\n");
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(CONCAT):
strcpy(INST, "CONCAT LF@");
strcat(INST, op2->str);
strcat(INST, " LF@");
strcat(INST, op2->str);
switch(op1->type)
{
case TOK_identifier:
strcat(INST, " LF@");
strcat(INST, op1->value.stringVal->str);
break;
case TOK_string:
strcat(INST, " string@");
if(strlen(op1->value.stringVal->str) != 0)
{
char *tmp = convert_string(op1->value.stringVal->str);
if(strlen(tmp) > (INSTSIZE - 30 - 2*strlen(op2->str)))
{
INST = (char*)realloc(INST, (INSTSIZE + strlen(tmp)*sizeof(char)));
}
strcat(INST, tmp);
free(tmp);
}
break;
default:
return INTERNAL_ERROR;
}
strcat(INST, "\n");
break;
case(WRITE):
strcpy(INST, "WRITE LF@");
strcat(INST, op2->str);
strcat(INST, "\n");
break;
case(LT):
strcpy(INST, "LT LF@$test LF@$str LF@$str2\nPUSHS LF@$test\n");
break;
case(GT):
strcpy(INST, "GT LF@$test LF@$str LF@$str2\nPUSHS LF@$test\n");
break;
case(EQ):
strcpy(INST, "EQ LF@$test LF@$str LF@$str2\nPUSHS LF@$test\n");
break;
case(NOTEQ):
strcpy(INST, "EQ LF@$test LF@$str LF@$str2\nPUSHS LF@$test\n");
Instr->used_lines++;
strcpy(INST, "NOTS\n");
break;
case(LTEQ):
before_cond++;
after_cond++;
strcpy(INST, "JUMPIFNEQ ");
strcat(INST, "$$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE");
strcat(INST, " LF@$str LF@$str2\n");
Instr->used_lines++;
strcpy(INST, "JUMP ");
strcat(INST, "$$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER\n");
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE\n");
Instr->used_lines++;
strcpy(INST, "LT LF@$test LF@$str LF@$str2\nPUSHS LF@$test\nPUSHS bool@false\n");
Instr->used_lines++;
strcpy(INST, "JUMPIFEQS ");
strcat(INST, "$$");
switch(context)
{
case(con_IF):
sprintf(c, "%d", inst_if);
strcat(INST, c);
strcat(INST, "$$ELSE");
break;
case(con_WHILE):
sprintf(c, "%d", inst_while);
strcat(INST, c);
strcat(INST, "$$LOOP");
break;
default:
return INTERNAL_ERROR;
}
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER");
break;
case(GTEQ):
before_cond++;
after_cond++;
strcpy(INST, "JUMPIFNEQ ");
strcat(INST, "$$");
sprintf(c, "%d", before_cond);
strcat(INST, c);
strcat(INST, "$$BEFORE");
strcat(INST, " LF@$str LF@$str2\n");
Instr->used_lines++;
strcpy(INST, "JUMP ");
strcat(INST, "$$");
sprintf(c, "%d", after_cond);
strcat(INST, c);
strcat(INST, "$$AFTER\n");
Instr->used_lines++;
strcpy(INST, "LABEL $$");
sprintf(c, "%d", before_cond);