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semantic_parser.c
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semantic_parser.c
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/**
* @file semantic_parser.h
* @project Compiler of language IFJ18. School project from subjects IFJ and IAL.
* @date October 2018
* @author Juraj Holub <xholub40@stud.fit.vutbr.cz>
* @brief Declaration of Semantic Analyse Parser of language IFJ18.
*/
#include "semantic_parser.h"
#include <stdlib.h>
#include <stdio.h>
#include "error_handle.h"
#include "expressions_parser.h"
#include "gen_out.h"
#include "global_interface.h"
int parse_operand(table_item_t *sym_tb, stack_t* sem_stack, token_t *op)
{
//print_sem_stack(sem_stack);
//printf("var: %s[%s]\n", op->attribute->string, get_real_type(op->type));
data_t *symb = search(sym_tb, op->attribute);
if (op->type == VAR) //it is variable
{
if (symb == NULL) // not initialized variable
return ERR_SEM_DEF;
}
else // it is constant
{
if (symb == NULL)
{
data_t cons;
cons.type = CONST;
cons.value = op->type;
cons.id = op->attribute;
cons.param_cnt = 0;
insert(sym_tb, &cons);
symb = search(sym_tb, op->attribute);
}
}
add_instruction(I_PUSHS, &symb, NULL, NULL);
string_t tmp_str = string_create(op->attribute->string);
set_expr_type(symb);
stack_push(sem_stack, tmp_str);
return SUCCESS;
}
int sem_action_add(table_item_t *sym_tb, data_t *symb1, data_t *symb2)
{
string_t str_res = insert_tmp(sym_tb, VAR);
data_t *res = search(sym_tb, str_res);
add_text("######################## BEGIN PARNI MLATICKA NA SCITANI\n");
if (symb1->value == UNDEF || symb2->value == UNDEF)
{
data_t d;
d.type = CONST;
d.value = STRING;
d.id = string_create("int");
d.param_cnt = 0;
insert(sym_tb, &d);
data_t *int_const = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("float");
insert(sym_tb, &d);
data_t *float_const = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("string");
insert(sym_tb, &d);
data_t *string_const = search(sym_tb, d.id);
string_free(d.id);
d.type = CONST;
d.value = BOOL;
d.id = string_create("true");
insert(sym_tb, &d);
data_t *true_const = search(sym_tb, d.id);
string_free(d.id);
d.type = CONST;
d.value = INTEGER;
d.id = string_create("4");
insert(sym_tb, &d);
data_t *const_4 = search(sym_tb, d.id);
string_free(d.id);
string_t str_type1 = insert_tmp(sym_tb, VAR);
string_t str_type2 = insert_tmp(sym_tb, VAR);
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
string_t str_same = insert_tmp(sym_tb, VAR);
string_t str_first_int = insert_tmp(sym_tb, VAR);
string_t str_first_float = insert_tmp(sym_tb, VAR);
string_t str_second_int = insert_tmp(sym_tb, VAR);
string_t str_second_float = insert_tmp(sym_tb, VAR);
string_t str_int_or_float = insert_tmp(sym_tb, VAR);
string_t str_same_int_or_float = insert_tmp(sym_tb, VAR);
string_t str_same_first_string = insert_tmp(sym_tb, VAR);
string_t str_first_int_second_float = insert_tmp(sym_tb, VAR);
string_t str_first_float_second_int = insert_tmp(sym_tb, VAR);
//LABELS
string_t str_simple_add = insert_tmp(sym_tb, UNDEF);//$simple_add
string_t str_string_concat = insert_tmp(sym_tb, UNDEF);//$string_concat
string_t str_convert_first = insert_tmp(sym_tb, UNDEF);//$convert_first
string_t str_convert_second = insert_tmp(sym_tb, UNDEF);//$convert_second
string_t str_end = insert_tmp(sym_tb, UNDEF);//$end$of$parni$mlaticka
data_t *type1 = search(sym_tb, str_type1);
data_t *type2 = search(sym_tb, str_type2);
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
data_t *same = search(sym_tb, str_same);
data_t *first_int = search(sym_tb, str_first_int);
data_t *first_float = search(sym_tb, str_first_float);
data_t *second_int = search(sym_tb, str_second_int);
data_t *second_float = search(sym_tb, str_second_float);
data_t *int_or_float = search(sym_tb, str_int_or_float);
data_t *same_int_or_float = search(sym_tb, str_same_int_or_float);
data_t *same_first_string = search(sym_tb, str_same_first_string);
data_t *first_int_second_float = search(sym_tb, str_first_int_second_float);
data_t *first_float_second_int = search(sym_tb, str_first_float_second_int);
data_t *simple_add = search(sym_tb, str_simple_add);
data_t *string_concat = search(sym_tb, str_string_concat);
data_t *convert_first = search(sym_tb, str_convert_first);
data_t *convert_second = search(sym_tb, str_convert_second);
data_t *end = search(sym_tb, str_end);
add_var(&type1);//DEFVAR LF@$type1
add_var(&type2);//DEFVAR LF@$type2
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_var(&same);//DEFVAR LF@same
add_var(&first_int);//DEFVAR LF@first_int
add_var(&first_float);//DEFVAR LF@first_float
add_var(&second_int);//DEFVAR LF@second_int
add_var(&second_float);//DEFVAR LF@second_float
add_var(&int_or_float);//DEFVAR LF@int_or_float
add_var(&same_int_or_float);//DEFVAR LF@same_int_or_float
add_var(&same_first_string);//DEFVAR LF@same_first_string
add_var(&first_int_second_float);//DEFVAR LF@first_int_second_float
add_var(&first_float_second_int);//DEFVAR LF@first_float_second_int
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
add_instruction(I_TYPE, &type1, &tmpop1, NULL);//TYPE LF@$type1 LF@$tmp$op1
add_instruction(I_TYPE, &type2, &tmpop2, NULL);//TYPE LF@$type2 LF@$tmp$op2
add_instruction(I_EQ, &same, &type1, &type2);//EQ LF@same LF@$type1 LF@$type2
add_instruction(I_EQ, &first_int, &type1, &int_const);//EQ LF@first_int LF@$type1 string@int
add_instruction(I_EQ, &first_float, &type1, &float_const);//EQ LF@first_float LF@$type1 string@float
add_instruction(I_EQ, &second_int, &type2, &int_const);//EQ LF@second_int LF@$type2 string@int
add_instruction(I_EQ, &second_float, &type2, &float_const);//EQ LF@second_float LF@$type2 string@float
add_instruction(I_OR, &int_or_float, &first_int, &first_float);//OR LF@int_or_float LF@first_int LF@first_float
add_instruction(I_AND, &same_int_or_float, &same, &int_or_float);//AND LF@same_int_or_float LF@same LF@int_or_float
add_instruction(I_EQ, &same_first_string, &type1, &string_const);//EQ LF@same_first_string LF@$type1 string@string
add_instruction(I_AND, &same_first_string, &same_first_string, &same);//AND LF@same_first_string LF@same_first_string LF@same
add_instruction(I_AND, &first_int_second_float, &first_int, &second_float);//AND LF@first_int_second_float LF@first_int LF@second_float
add_instruction(I_AND, &first_float_second_int, &first_float, &second_int);//AND LF@first_float_second_int LF@first_float LF@second_int
add_instruction(I_JUMPIFEQ, &simple_add, &same_int_or_float, &true_const);//JUMPIFEQ $simple_add LF@same_int_or_float bool@true
add_instruction(I_JUMPIFEQ, &string_concat, &same_first_string, &true_const);//JUMPIFEQ $string_concat LF@same_first_string bool@true
add_instruction(I_JUMPIFEQ, &convert_first, &first_int_second_float, &true_const);//JUMPIFEQ $convert_first LF@first_int_second_float bool@true
add_instruction(I_JUMPIFEQ, &convert_second, &first_float_second_int, &true_const);//JUMPIFEQ $convert_second LF@first_float_second_int bool@true
add_instruction(I_EXIT, &const_4, NULL, NULL);//EXIT int@4
add_instruction(I_LABEL, &simple_add, NULL, NULL);//LABEL $simple_add
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &string_concat, NULL, NULL);//LABEL $string_concat
add_instruction(I_CONCAT, &tmpop1, &tmpop1, &tmpop2);//CONCAT LF@$tmp$op1 LF@$tmp$op1 LF@$tmp$op2
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &convert_first, NULL, NULL);//LABEL $convert_first
add_instruction(I_INT2FLOAT, &tmpop1, &tmpop1, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &convert_second, NULL, NULL);//LABEL $convert_second
add_instruction(I_INT2FLOAT, &tmpop2, &tmpop2, NULL);//INT2FLOAT LF@$tmp$op2 LF@$tmp$op2
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
add_instruction(I_LABEL, &end, NULL, NULL);//LABEL $end$of$parni$mlaticka
} // if (symb1->value == UNDEF || symb2->value == UNDEF)
else
{
if (symb1->value == INTEGER && symb2->value == INTEGER)
{
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
res->value = INTEGER;
}
else if (symb1->value == FLOAT && symb2->value == FLOAT)
{
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
res->value = FLOAT;
}
else if (symb1->value == FLOAT && symb2->value == INTEGER)
{
add_instruction(I_INT2FLOATS, NULL, NULL, NULL);//INT2FLOATS
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
res->value = FLOAT;
}
else if (symb1->value == INTEGER && symb2->value == FLOAT)
{
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
add_instruction(I_INT2FLOAT, &tmpop1, &tmpop1, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_ADDS, NULL, NULL, NULL);//ADDS
res->value = FLOAT;
}
else if (symb1->value == STRING && symb2->value == STRING)
{
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
add_instruction(I_CONCAT, &tmpop1, &tmpop1, &tmpop2);// CONCAT LF@$tmp$op1 LF@$tmp$op1 LF@$tmp$op2
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);
res->value = STRING;
}
else
{
return ERR_SEM_CPBLT;
}
}
add_text("######################## END PARNI MLATICKA NA SCITANI\n");
set_expr_type(res);
return SUCCESS;
}
int sem_action_sub_mul(table_item_t *sym_tb, data_t *symb1, data_t *symb2, int arit_op)
{
string_t str_res = insert_tmp(sym_tb, VAR);
data_t *res = search(sym_tb, str_res);
add_text("######################## BEGIN PARNI MLATICKA NA ODCITANI A NASOBENI\n");
if (symb1->value == UNDEF || symb2->value == UNDEF)
{
int instr = arit_op == SUB ? I_SUBS : I_MULS;
data_t d;
d.type = CONST;
d.value = STRING;
d.id = string_create("int");
d.param_cnt = 0;
insert(sym_tb, &d);
data_t *int_const = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("float");
insert(sym_tb, &d);
data_t *float_const = search(sym_tb, d.id);
string_free(d.id);
d.value = BOOL;
d.id = string_create("true");
insert(sym_tb, &d);
data_t *true_const = search(sym_tb, d.id);
string_free(d.id);
d.type = CONST;
d.value = INTEGER;
d.id = string_create("4");
insert(sym_tb, &d);
data_t *const_4 = search(sym_tb, d.id);
string_free(d.id);
string_t str_type1 = insert_tmp(sym_tb, VAR);
string_t str_type2 = insert_tmp(sym_tb, VAR);
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
string_t str_same = insert_tmp(sym_tb, VAR);
string_t str_first_int = insert_tmp(sym_tb, VAR);
string_t str_first_float = insert_tmp(sym_tb, VAR);
string_t str_second_int = insert_tmp(sym_tb, VAR);
string_t str_second_float = insert_tmp(sym_tb, VAR);
string_t str_int_or_float = insert_tmp(sym_tb, VAR);
string_t str_same_int_or_float = insert_tmp(sym_tb, VAR);
string_t str_first_int_second_float = insert_tmp(sym_tb, VAR);
string_t str_first_float_second_int = insert_tmp(sym_tb, VAR);
//LABELS
string_t str_simple_add = insert_tmp(sym_tb, UNDEF);//$simple_add
string_t str_convert_first = insert_tmp(sym_tb, UNDEF);//$convert_first
string_t str_convert_second = insert_tmp(sym_tb, UNDEF);//$convert_second
string_t str_end = insert_tmp(sym_tb, UNDEF);//$end$of$parni$mlaticka
data_t *type1 = search(sym_tb, str_type1);
data_t *type2 = search(sym_tb, str_type2);
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
data_t *same = search(sym_tb, str_same);
data_t *first_int = search(sym_tb, str_first_int);
data_t *first_float = search(sym_tb, str_first_float);
data_t *second_int = search(sym_tb, str_second_int);
data_t *second_float = search(sym_tb, str_second_float);
data_t *int_or_float = search(sym_tb, str_int_or_float);
data_t *same_int_or_float = search(sym_tb, str_same_int_or_float);
data_t *first_int_second_float = search(sym_tb, str_first_int_second_float);
data_t *first_float_second_int = search(sym_tb, str_first_float_second_int);
data_t *simple_add = search(sym_tb, str_simple_add);
data_t *convert_first = search(sym_tb, str_convert_first);
data_t *convert_second = search(sym_tb, str_convert_second);
data_t *end = search(sym_tb, str_end);
add_var(&type1);//DEFVAR LF@$type1
add_var(&type2);//DEFVAR LF@$type2
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_var(&same);//DEFVAR LF@same
add_var(&first_int);//DEFVAR LF@first_int
add_var(&first_float);//DEFVAR LF@first_float
add_var(&second_int);//DEFVAR LF@second_int
add_var(&second_float);//DEFVAR LF@second_float
add_var(&int_or_float);//DEFVAR LF@int_or_float
add_var(&same_int_or_float);//DEFVAR LF@same_int_or_float
add_var(&first_int_second_float);//DEFVAR LF@first_int_second_float
add_var(&first_float_second_int);//DEFVAR LF@first_float_second_int
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
add_instruction(I_TYPE, &type1, &tmpop1, NULL);//TYPE LF@$type1 LF@$tmp$op1
add_instruction(I_TYPE, &type2, &tmpop2, NULL);//TYPE LF@$type2 LF@$tmp$op2
add_instruction(I_EQ, &same, &type1, &type2);//EQ LF@same LF@$type1 LF@$type2
add_instruction(I_EQ, &first_int, &type1, &int_const);//EQ LF@first_int LF@$type1 string@int
add_instruction(I_EQ, &first_float, &type1, &float_const);//EQ LF@first_float LF@$type1 string@float
add_instruction(I_EQ, &second_int, &type2, &int_const);//EQ LF@second_int LF@$type2 string@int
add_instruction(I_EQ, &second_float, &type2, &float_const);//EQ LF@second_float LF@$type2 string@float
add_instruction(I_OR, &int_or_float, &first_int, &first_float);//OR LF@int_or_float LF@first_int LF@first_float
add_instruction(I_AND, &same_int_or_float, &same, &int_or_float);//AND LF@same_int_or_float LF@same LF@int_or_float
add_instruction(I_AND, &first_int_second_float, &first_int, &second_float);//AND LF@first_int_second_float LF@first_int LF@second_float
add_instruction(I_AND, &first_float_second_int, &first_float, &second_int);//AND LF@first_float_second_int LF@first_float LF@second_int
add_instruction(I_JUMPIFEQ, &simple_add, &same_int_or_float, &true_const);//JUMPIFEQ $simple_add LF@same_int_or_float bool@true
add_instruction(I_JUMPIFEQ, &convert_first, &first_int_second_float, &true_const);//JUMPIFEQ $convert_first LF@first_int_second_float bool@true
add_instruction(I_JUMPIFEQ, &convert_second, &first_float_second_int, &true_const);//JUMPIFEQ $convert_second LF@first_float_second_int bool@true
add_instruction(I_EXIT, &const_4, NULL, NULL);//EXIT int@4
add_instruction(I_LABEL, &simple_add, NULL, NULL);//LABEL $simple_add
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(instr, NULL, NULL, NULL);//SUBS or MULS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &convert_first, NULL, NULL);//LABEL $convert_first
add_instruction(I_INT2FLOAT, &tmpop1, &tmpop1, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(instr, NULL, NULL, NULL);//SUBS or MULS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &convert_second, NULL, NULL);//LABEL $convert_second
add_instruction(I_INT2FLOAT, &tmpop2, &tmpop2, NULL);//INT2FLOAT LF@$tmp$op2 LF@$tmp$op2
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(instr, NULL, NULL, NULL);//SUBS or MULS
add_instruction(I_LABEL, &end, NULL, NULL);//LABEL $end$of$parni$mlaticka
}
else // if (symb1->value == UNDEF || symb2->value == UNDEF)
{
if (symb1->value == INTEGER && symb2->value == INTEGER)
{
res->value = INTEGER;
}
else if (symb1->value == FLOAT && symb2->value == FLOAT)
{
res->value = FLOAT;
}
else if (symb1->value == FLOAT && symb2->value == INTEGER)
{
add_instruction(I_INT2FLOATS, NULL, NULL, NULL);//INT2FLOATS
res->value = FLOAT;
}
else if (symb1->value == INTEGER && symb2->value == FLOAT)
{
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
add_instruction(I_INT2FLOAT, &tmpop1, &tmpop1, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
res->value = FLOAT;
}
else
{
return ERR_SEM_CPBLT;
}
if (arit_op == SUB)
add_instruction(I_SUBS, NULL, NULL, NULL);//SUBS
if (arit_op == MUL)
add_instruction(I_MULS, NULL, NULL, NULL);//MULS
}
add_text("######################## END PARNI MLATICKA NA ODCITANI A NASOBENI\n");
set_expr_type(res);
return SUCCESS;
}
int sem_action_div(table_item_t *sym_tb, data_t *symb1, data_t *symb2)
{
string_t str_res = insert_tmp(sym_tb, VAR);
data_t *res = search(sym_tb, str_res);
add_text("######################## BEGIN PARNI MLATICKA NA DELENI\n");
if (symb1->value == UNDEF || symb2->value == UNDEF)
{
data_t d;
d.type = CONST;
d.value = STRING;
d.id = string_create("int");
d.param_cnt = 0;
insert(sym_tb, &d);
data_t *int_const = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("float");
insert(sym_tb, &d);
data_t *float_const = search(sym_tb, d.id);
string_free(d.id);
d.value = BOOL;
d.id = string_create("true");
insert(sym_tb, &d);
data_t *true_const = search(sym_tb, d.id);
string_free(d.id);
d.type = CONST;
d.value = INTEGER;
d.id = string_create("4");
insert(sym_tb, &d);
data_t *const_4 = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("9");
insert(sym_tb, &d);
data_t *const_9 = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("0");
insert(sym_tb, &d);
data_t *const_int_0 = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("0.0");
d.value = FLOAT;
insert(sym_tb, &d);
data_t *const_float_0 = search(sym_tb, d.id);
string_free(d.id);
string_t str_type1 = insert_tmp(sym_tb, VAR);
string_t str_type2 = insert_tmp(sym_tb, VAR);
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
string_t str_same = insert_tmp(sym_tb, VAR);
string_t str_first_int = insert_tmp(sym_tb, VAR);
string_t str_first_float = insert_tmp(sym_tb, VAR);
string_t str_second_int = insert_tmp(sym_tb, VAR);
string_t str_second_float = insert_tmp(sym_tb, VAR);
string_t str_int_and_int = insert_tmp(sym_tb, VAR);
string_t str_float_and_float = insert_tmp(sym_tb, VAR);
string_t str_first_int_second_float = insert_tmp(sym_tb, VAR);
string_t str_first_float_second_int = insert_tmp(sym_tb, VAR);
string_t str_second_int_zero = insert_tmp(sym_tb, VAR);
string_t str_second_float_zero = insert_tmp(sym_tb, VAR);
//LABELS
string_t str_convert_first = insert_tmp(sym_tb, UNDEF);//$convert_first
string_t str_convert_second = insert_tmp(sym_tb, UNDEF);//$convert_second
string_t str_no_zero_err_0 = insert_tmp(sym_tb, UNDEF);//$zero_err
string_t str_no_zero_err_1 = insert_tmp(sym_tb, UNDEF);//$zero_err
string_t str_no_zero_err_2 = insert_tmp(sym_tb, UNDEF);//$zero_err
string_t str_no_zero_err_3 = insert_tmp(sym_tb, UNDEF);//$zero_err
string_t str_int_int = insert_tmp(sym_tb, UNDEF);
string_t str_float_float = insert_tmp(sym_tb, UNDEF);
string_t str_end = insert_tmp(sym_tb, UNDEF);//$end$of$parni$mlaticka
data_t *type1 = search(sym_tb, str_type1);
data_t *type2 = search(sym_tb, str_type2);
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
data_t *same = search(sym_tb, str_same);
data_t *first_int = search(sym_tb, str_first_int);
data_t *first_float = search(sym_tb, str_first_float);
data_t *second_int = search(sym_tb, str_second_int);
data_t *second_float = search(sym_tb, str_second_float);
data_t *int_and_int = search(sym_tb, str_int_and_int);
data_t *float_and_float = search(sym_tb, str_float_and_float);
data_t *first_int_second_float = search(sym_tb, str_first_int_second_float);
data_t *first_float_second_int = search(sym_tb, str_first_float_second_int);
data_t *convert_first = search(sym_tb, str_convert_first);
data_t *convert_second = search(sym_tb, str_convert_second);
data_t *second_int_zero = search(sym_tb, str_second_int_zero);
data_t *second_float_zero = search(sym_tb, str_second_float_zero);
data_t *no_zero_err_0 = search(sym_tb, str_no_zero_err_0);
data_t *no_zero_err_1 = search(sym_tb, str_no_zero_err_1);
data_t *no_zero_err_2 = search(sym_tb, str_no_zero_err_2);
data_t *no_zero_err_3 = search(sym_tb, str_no_zero_err_3);
data_t *int_int = search(sym_tb, str_int_int);
data_t *float_float = search(sym_tb, str_float_float);
data_t *end = search(sym_tb, str_end);
add_var(&type1);//DEFVAR LF@$type1
add_var(&type2);//DEFVAR LF@$type2
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_var(&same);//DEFVAR LF@same
add_var(&first_int);//DEFVAR LF@first_int
add_var(&first_float);//DEFVAR LF@first_float
add_var(&second_int);//DEFVAR LF@second_int
add_var(&second_float);//DEFVAR LF@second_float
add_var(&int_and_int);//DEFVAR LF@int_or_float
add_var(&float_and_float);//DEFVAR LF@int_or_float
add_var(&first_int_second_float);//DEFVAR LF@first_int_second_float
add_var(&first_float_second_int);//DEFVAR LF@first_float_second_int
add_var(&second_int_zero);//DEFVAR LF@$second_int_zero
add_var(&second_float_zero);//DEFVAR LF@$second_float_zero
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
add_instruction(I_TYPE, &type1, &tmpop1, NULL);//TYPE LF@$type1 LF@$tmp$op1
add_instruction(I_TYPE, &type2, &tmpop2, NULL);//TYPE LF@$type2 LF@$tmp$op2
add_instruction(I_EQ, &same, &type1, &type2);//EQ LF@same LF@$type1 LF@$type2
add_instruction(I_EQ, &first_int, &type1, &int_const);//EQ LF@first_int LF@$type1 string@int
add_instruction(I_EQ, &first_float, &type1, &float_const);//EQ LF@first_float LF@$type1 string@float
add_instruction(I_EQ, &second_int, &type2, &int_const);//EQ LF@second_int LF@$type2 string@int
add_instruction(I_EQ, &second_float, &type2, &float_const);//EQ LF@second_float LF@$type2 string@float
add_instruction(I_AND, &int_and_int, &first_int, &second_int);//OR LF@int_or_float LF@first_int LF@first_float
add_instruction(I_AND, &float_and_float, &first_float, &second_float);//AND LF@same_int_or_float LF@same LF@int_or_float
add_instruction(I_AND, &first_int_second_float, &first_int, &second_float);//AND LF@first_int_second_float LF@first_int LF@second_float
add_instruction(I_AND, &first_float_second_int, &first_float, &second_int);//AND LF@first_float_second_int LF@first_float LF@second_int
add_instruction(I_JUMPIFEQ, &int_int, &int_and_int, &true_const);//JUMPIFEQ $simple_add LF@same_int_or_float bool@true
add_instruction(I_JUMPIFEQ, &float_float, &float_and_float, &true_const);//JUMPIFEQ $simple_add LF@same_int_or_float bool@true
add_instruction(I_JUMPIFEQ, &convert_first, &first_int_second_float, &true_const);//JUMPIFEQ $convert_first LF@first_int_second_float bool@true
add_instruction(I_JUMPIFEQ, &convert_second, &first_float_second_int, &true_const);//JUMPIFEQ $convert_second LF@first_float_second_int bool@true
add_instruction(I_EXIT, &const_4, NULL, NULL);//EXIT int@4
add_instruction(I_LABEL, &int_int, NULL, NULL);//LABEL $simple_add
add_instruction(I_EQ, &second_int_zero, &tmpop2, &const_int_0);// EQ LF@second_int_zero LF@$tmp$op2 int@0
add_instruction(I_JUMPIFNEQ, &no_zero_err_1, &second_int_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &no_zero_err_1, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_IDIVS, NULL, NULL, NULL);//IDIVS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &float_float, NULL, NULL);//LABEL $simple_add
add_instruction(I_EQ, &second_float_zero, &tmpop2, &const_float_0);// EQ LF@second_int_zero LF@$tmp$op2 int@0
add_instruction(I_JUMPIFNEQ, &no_zero_err_0, &second_float_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &no_zero_err_0, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_DIVS, NULL, NULL, NULL);//IDIVS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &convert_first, NULL, NULL);//LABEL $convert_first
add_instruction(I_INT2FLOAT, &tmpop1, &tmpop1, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_EQ, &second_float_zero, &tmpop2, &const_float_0);// EQ LF@second_float_zero LF@$tmp$op2 float@0x0p+0
add_instruction(I_JUMPIFNEQ, &no_zero_err_2, &second_float_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &no_zero_err_2, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_DIVS, NULL, NULL, NULL);//DIVS
add_instruction(I_JUMP, &end, NULL, NULL);//JUMP $end$of$parni$mlaticka
add_instruction(I_LABEL, &convert_second, NULL, NULL);//LABEL $convert_second
add_instruction(I_INT2FLOAT, &tmpop2, &tmpop2, NULL);//INT2FLOAT LF@$tmp$op2 LF@$tmp$op2
add_instruction(I_EQ, &second_float_zero, &tmpop2, &const_float_0);// EQ LF@second_float_zero LF@$tmp$op2 float@0x0p+0
add_instruction(I_JUMPIFNEQ, &no_zero_err_3, &second_float_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &no_zero_err_3, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_DIVS, NULL, NULL, NULL);//DIVS
add_instruction(I_LABEL, &end, NULL, NULL);//LABEL $end$of$parni$mlaticka
}
else // if (symb1->value == UNDEF || symb2->value == UNDEF)
{
string_t str_tmpop1 = insert_tmp(sym_tb, VAR);
string_t str_tmpop2 = insert_tmp(sym_tb, VAR);
string_t str_second_int_zero = insert_tmp(sym_tb, VAR);
string_t str_second_float_zero = insert_tmp(sym_tb, VAR);
string_t str_zero_err = insert_tmp(sym_tb, UNDEF);//$zero_err
data_t *tmpop1 = search(sym_tb, str_tmpop1);
data_t *tmpop2 = search(sym_tb, str_tmpop2);
data_t *second_int_zero = search(sym_tb, str_second_int_zero);
data_t *second_float_zero = search(sym_tb, str_second_float_zero);
data_t *zero_err = search(sym_tb, str_zero_err);
data_t d;
d.param_cnt = 0;
d.type = CONST;
d.value = INTEGER;
d.id = string_create("9");
insert(sym_tb, &d);
data_t *const_9 = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("0");
insert(sym_tb, &d);
data_t *const_int_0 = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("0.0");
d.value = FLOAT;
insert(sym_tb, &d);
data_t *const_float_0 = search(sym_tb, d.id);
string_free(d.id);
d.value = BOOL;
d.id = string_create("true");
insert(sym_tb, &d);
data_t *true_const = search(sym_tb, d.id);
string_free(d.id);
add_var(&tmpop1);//DEFVAR LF@$tmp$op1
add_var(&tmpop2);//DEFVAR LF@$tmp$op2
add_instruction(I_POPS, &tmpop2, NULL, NULL);//POPS LF@$tmp$op2
add_instruction(I_POPS, &tmpop1, NULL, NULL);//POPS LF@$tmp$op1
if (symb1->value == INTEGER && symb2->value == INTEGER)
{
add_var(&second_int_zero);
add_instruction(I_EQ, &second_int_zero, &tmpop2, &const_int_0);// EQ LF@second_int_zero LF@$tmp$op2 int@0
add_instruction(I_JUMPIFNEQ, &zero_err, &second_int_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &zero_err, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_IDIVS, NULL, NULL, NULL);//IDIVS
res->value = INTEGER;
}
else if (symb1->value == FLOAT && symb2->value == FLOAT)
{
add_var(&second_float_zero);
add_instruction(I_EQ, &second_float_zero, &tmpop2, &const_float_0);// EQ LF@second_float_zero LF@$tmp$op2 float@0x0p+0
add_instruction(I_JUMPIFNEQ, &zero_err, &second_float_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &zero_err, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_DIVS, NULL, NULL, NULL);//DIVS
res->value = FLOAT;
}
else if (symb1->value == FLOAT && symb2->value == INTEGER)
{
add_var(&second_float_zero);
add_instruction(I_INT2FLOAT, &tmpop2, &tmpop2, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_EQ, &second_float_zero, &tmpop2, &const_float_0);// EQ LF@second_float_zero LF@$tmp$op2 float@0x0p+0
add_instruction(I_JUMPIFNEQ, &zero_err, &second_float_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &zero_err, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_DIVS, NULL, NULL, NULL);//DIVS
res->value = FLOAT;
}
else if (symb1->value == INTEGER && symb2->value == FLOAT)
{
add_var(&second_int_zero);
add_instruction(I_INT2FLOAT, &tmpop1, &tmpop1, NULL);//INT2FLOAT LF@$tmp$op1 LF@$tmp$op1
add_instruction(I_EQ, &second_int_zero, &tmpop2, &const_float_0);// EQ LF@second_int_zero LF@$tmp$op2 int@0
add_instruction(I_JUMPIFNEQ, &zero_err, &second_int_zero, &true_const);// JUMPIFEQ $zero_err LF@zero_div bool@true
add_instruction(I_EXIT, &const_9, NULL, NULL);//EXIT int@9
add_instruction(I_LABEL, &zero_err, NULL, NULL);//LABEL $zero_err
add_instruction(I_PUSHS, &tmpop1, NULL, NULL);//PUSHS LF@$tmp$op1
add_instruction(I_PUSHS, &tmpop2, NULL, NULL);//PUSHS LF@$tmp$op2
add_instruction(I_DIVS, NULL, NULL, NULL);//DIVS
res->value = FLOAT;
}
else
{
return ERR_SEM_CPBLT;
}
}
add_text("######################## END PARNI MLATICKA NA DELENI\n");
set_expr_type(res);
return SUCCESS;
}
int parse_arit_op(table_item_t *sym_tb, stack_t* sem_stack, int arit_op)
{
int res;
string_t op2 = stack_top(sem_stack);
data_t *symb2 = search(sym_tb, op2);
stack_pop(sem_stack);
string_free(op2);
string_t op1 = stack_top(sem_stack);
data_t *symb1 = search(sym_tb, op1);
stack_pop(sem_stack);
string_free(op1);
if (arit_op == ADD)// handle ADD and CONCAT
{
res = sem_action_add(sym_tb, symb1, symb2);
}
else if (arit_op == SUB || arit_op == MUL) // SUB, MUL
{
res = sem_action_sub_mul(sym_tb, symb1, symb2, arit_op);
}
else //DIV or IDIV, handle DIV with zero
{
res = sem_action_div(sym_tb, symb1, symb2);
}
string_t result = string_create(get_expr_type()->id->string);
stack_push(sem_stack, result);
return res;
}
void cmp_instr(int logic_op, data_t *op1, data_t *op2, data_t *tmp)
{
add_instruction(I_PUSHS, &op1, NULL, NULL);
add_instruction(I_PUSHS, &op2, NULL, NULL);
if (logic_op == EQUAL)
{
add_instruction(I_EQS, NULL, NULL, NULL);// EQS
}
else if (logic_op == NOT_EQUAL)
{
add_instruction(I_EQS, NULL, NULL, NULL);// EQS
add_instruction(I_NOTS, NULL, NULL, NULL);// NOTS
}
else if (logic_op == LESS)
{
add_instruction(I_LTS, NULL, NULL, NULL);// LTS
}
else if (logic_op == GREATER)
{
add_instruction(I_GTS, NULL, NULL, NULL);// GTS
}
else if (logic_op == LESS_EQ)
{
add_instruction(I_LT, &tmp, &op1, &op2);//LT LF@tmp LF@op1 LF@op2
add_instruction(I_PUSHS, &tmp, NULL, NULL);//PUSHS LF@tmp
add_instruction(I_EQ, &tmp, &op1, &op2);//EQ LF@tmp LF@op1 LF@op2
add_instruction(I_PUSHS, &tmp, NULL, NULL);//PUSHS LF@tmp
add_instruction(I_ORS, NULL, NULL, NULL);// ORS
}
else if (logic_op == GREATER_EQ)
{
add_instruction(I_GT, &tmp, &op1, &op2);//GT LF@tmp LF@op1 LF@op2
add_instruction(I_PUSHS, &tmp, NULL, NULL);//PUSHS LF@tmp
add_instruction(I_EQ, &tmp, &op1, &op2);//EQ LF@tmp LF@op1 LF@op2
add_instruction(I_PUSHS, &tmp, NULL, NULL);//PUSHS LF@tmp
add_instruction(I_ORS, NULL, NULL, NULL);// ORS
}
}
int sem_action_cmp(table_item_t *sym_tb, data_t *symb1, data_t *symb2, int logic_op)
{
string_t str_res = insert_tmp(sym_tb, VAR);
data_t *res = search(sym_tb, str_res);
string_t str_op1 = insert_tmp(sym_tb, VAR);
string_t str_op2 = insert_tmp(sym_tb, VAR);
string_t str_tmp = insert_tmp(sym_tb, VAR);
data_t *op1 = search(sym_tb, str_op1);
data_t *op2 = search(sym_tb, str_op2);
data_t *tmp = search(sym_tb, str_tmp);
add_var(&op1);// DEFVAR LF@op1
add_var(&op2);// DEFVAR LF@op2
add_var(&tmp);// DEFVAR LF@tmp
add_text("######################## BEGIN PARNI MLATICKA COMPARE\n");
add_instruction(I_POPS, &op2, NULL, NULL);//POPS LF@op2
add_instruction(I_POPS, &op1, NULL, NULL);//POPS LF@op1
if (symb1->value == UNDEF || symb2->value == UNDEF)
{
string_t str_type1 = insert_tmp(sym_tb, VAR);
string_t str_type2 = insert_tmp(sym_tb, VAR);
string_t str_same = insert_tmp(sym_tb, VAR);
string_t str_first_int = insert_tmp(sym_tb, VAR);
string_t str_first_float = insert_tmp(sym_tb, VAR);
string_t str_first_string = insert_tmp(sym_tb, VAR);
string_t str_first_nil = insert_tmp(sym_tb, VAR);
string_t str_second_int = insert_tmp(sym_tb, VAR);
string_t str_second_float = insert_tmp(sym_tb, VAR);
string_t str_int_and_int = insert_tmp(sym_tb, VAR);
string_t str_float_and_float = insert_tmp(sym_tb, VAR);
string_t str_int_and_float = insert_tmp(sym_tb, VAR);
string_t str_float_and_int = insert_tmp(sym_tb, VAR);
string_t str_strings = insert_tmp(sym_tb, VAR);
string_t str_nils = insert_tmp(sym_tb, VAR);
//LABELS
string_t str_cmp_int_int = insert_tmp(sym_tb, UNDEF);
string_t str_cmp_float_float = insert_tmp(sym_tb, UNDEF);
string_t str_cmp_int_float = insert_tmp(sym_tb, UNDEF);
string_t str_cmp_float_int = insert_tmp(sym_tb, UNDEF);
string_t str_cmp_string = insert_tmp(sym_tb, UNDEF);
string_t str_cmp_nil_nil = insert_tmp(sym_tb, UNDEF);
string_t str_end = insert_tmp(sym_tb, UNDEF);
data_t d;
d.param_cnt = 0;
d.type = CONST;
d.value = STRING;
d.id = string_create("int");
insert(sym_tb, &d);
data_t *const_int = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("float");
insert(sym_tb, &d);
data_t *const_float = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("string");
insert(sym_tb, &d);
data_t *const_string = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("\\110\\105\\108");
insert(sym_tb, &d);
data_t *const_nil = search(sym_tb, d.id);
string_free(d.id);
d.value = BOOL;
d.id = string_create("true");
insert(sym_tb, &d);
data_t *const_true = search(sym_tb, d.id);
string_free(d.id);
d.id = string_create("false");
insert(sym_tb, &d);
data_t *const_false = search(sym_tb, d.id);
string_free(d.id);
d.value = INTEGER;
d.id = string_create("4");
insert(sym_tb, &d);
data_t *const_4 = search(sym_tb, d.id);
string_free(d.id);
data_t *type1 = search(sym_tb, str_type1);
data_t *type2 = search(sym_tb, str_type2);
data_t *same = search(sym_tb, str_same);
data_t *first_int = search(sym_tb, str_first_int);
data_t *first_float = search(sym_tb, str_first_float);
data_t *first_string = search(sym_tb, str_first_string);
data_t *first_nil = search(sym_tb, str_first_nil);
data_t *second_int = search(sym_tb, str_second_int);
data_t *second_float = search(sym_tb, str_second_float);
data_t *int_and_int = search(sym_tb, str_int_and_int);
data_t *float_and_float = search(sym_tb, str_float_and_float);
data_t *int_and_float = search(sym_tb, str_int_and_float);
data_t *float_and_int = search(sym_tb, str_float_and_int);
data_t *strings = search(sym_tb, str_strings);
data_t *nils = search(sym_tb, str_nils);
data_t *cmp_int_int = search(sym_tb, str_cmp_int_int);
data_t *cmp_float_float = search(sym_tb, str_cmp_float_float);
data_t *cmp_int_float = search(sym_tb, str_cmp_int_float);
data_t *cmp_float_int = search(sym_tb, str_cmp_float_int);
data_t *cmp_string = search(sym_tb, str_cmp_string);
data_t *cmp_nil_nil = search(sym_tb, str_cmp_nil_nil);
data_t *end = search(sym_tb, str_end);
add_var(&type1);// DEFVAR LF@type1
add_var(&type2);// DEFVAR LF@type2
add_var(&same);// DEFVAR LF@same
add_var(&first_int);// DEFVAR LF@first_int
add_var(&first_float);// DEFVAR LF@first_float
add_var(&first_string);// DEFVAR LF@first_string
add_var(&first_nil);// DEFVAR LF@first_string
add_var(&second_int);// DEFVAR LF@second_int
add_var(&second_float);// DEFVAR LF@second_float
add_var(&int_and_int);// DEFVAR LF@int_and_int
add_var(&float_and_float);// DEFVAR LF@float_and_float
add_var(&int_and_float);// DEFVAR LF@int_and_float
add_var(&float_and_int);// DEFVAR LF@float_and_int
add_var(&strings);// DEFVAR LF@strings
add_var(&nils);// DEFVAR LF@strings
add_instruction(I_TYPE, &type1, &op1, NULL);//TYPE LF@type1 LF@op1
add_instruction(I_TYPE, &type2, &op2, NULL);//TYPE LF@type2 LF@op2
add_instruction(I_EQ, &same, &type1, &type2);// EQ LF@same LF@type1 LF@type2
add_instruction(I_EQ, &first_int, &type1, &const_int);// EQ LF@first_int LF@type1 string@int
add_instruction(I_EQ, &first_float, &type1, &const_float);// EQ LF@first_float LF@type1 string@float
add_instruction(I_EQ, &first_string, &type1, &const_string);// EQ LF@first_string LF@type1 string@string
add_instruction(I_EQ, &first_nil, &type1, &const_nil);// EQ LF@first_string LF@type1 string@nil
add_instruction(I_EQ, &second_int, &type2, &const_int);// EQ LF@second_int LF@type2 string@int
add_instruction(I_EQ, &second_float, &type2, &const_float);// EQ LF@second_float LF@type2 string@float
add_instruction(I_AND, &int_and_int, &same, &first_int);// AND LF@int_and_int LF@same LF@first_int
add_instruction(I_AND, &float_and_float, &same, &first_float);// AND LF@float_and_float LF@same LF@first_float
add_instruction(I_AND, &int_and_float, &first_int, &second_float);// AND LF@int_and_float LF@first_int LF@second_float
add_instruction(I_AND, &float_and_int, &first_float, &second_int);// AND LF@float_and_int LF@first_float LF@second_int
add_instruction(I_AND, &strings, &same, &first_string);// AND LF@strings LF@same LF@first_string
add_instruction(I_AND, &nils, &same, &first_nil);// AND LF@nils LF@same LF@first_nil
add_instruction(I_JUMPIFEQ, &cmp_int_int, &int_and_int, &const_true);// JUMPIFEQ cmp_int_int LF@int_and_int bool@true
add_instruction(I_JUMPIFEQ, &cmp_float_float, &float_and_float, &const_true);// JUMPIFEQ cmp_float_float LF@float_and_float bool@true
add_instruction(I_JUMPIFEQ, &cmp_int_float, &int_and_float, &const_true);// JUMPIFEQ cmp_int_float LF@int_and_float bool@true
add_instruction(I_JUMPIFEQ, &cmp_float_int, &float_and_int, &const_true);// JUMPIFEQ cmp_float_int LF@float_and_int bool@true
add_instruction(I_JUMPIFEQ, &cmp_string, &strings, &const_true);// JUMPIFEQ cmp_string LF@strings bool@true
add_instruction(I_JUMPIFEQ, &cmp_nil_nil, &nils, &const_true);// JUMPIFEQ cmp_string LF@strings bool@true
if (logic_op == EQUAL)
{
add_instruction(I_PUSHS, &const_false, NULL, NULL);// PUSHS bool@false
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
}
else if (logic_op == NOT_EQUAL)
{
add_instruction(I_PUSHS, &const_true, NULL, NULL);// PUSHS bool@true
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
}
else
add_instruction(I_EXIT, &const_4, NULL, NULL);// EXIT int@4
add_instruction(I_LABEL, &cmp_nil_nil, NULL, NULL);// LABEL cmp_nil_nil
if (logic_op == EQUAL)
{
add_instruction(I_PUSHS, &const_true, NULL, NULL);// PUSHS bool@true
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
}
else if (logic_op == NOT_EQUAL)
{
add_instruction(I_PUSHS, &const_false, NULL, NULL);// PUSHS bool@false
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
}
else
add_instruction(I_EXIT, &const_4, NULL, NULL);// EXIT int@4
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
add_instruction(I_LABEL, &cmp_int_int, NULL, NULL);// LABEL cmp_int_int
cmp_instr(logic_op, op1, op2, tmp);
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
add_instruction(I_LABEL, &cmp_float_float, NULL, NULL);// LABEL cmp_float_float
cmp_instr(logic_op, op1, op2, tmp);
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
add_instruction(I_LABEL, &cmp_int_float, NULL, NULL);// LABEL cmp_int_float
add_instruction(I_INT2FLOAT, &op1, &op1, NULL);// INT2FLOAT LF@op1 LF@op1
cmp_instr(logic_op, op1, op2, tmp);
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
add_instruction(I_LABEL, &cmp_float_int, NULL, NULL);// LABEL cmp_float_int
add_instruction(I_INT2FLOAT, &op2, &op2, NULL);// INT2FLOAT LF@op1 LF@op1
cmp_instr(logic_op, op1, op2, tmp);
add_instruction(I_JUMP, &end, NULL, NULL);// JUMP end
add_instruction(I_LABEL, &cmp_string, NULL, NULL);// LABEL cmp_string
cmp_instr(logic_op, op1, op2, tmp);
add_instruction(I_LABEL, &end, NULL, NULL);// LABEL end
}
else // if (symb1->value == UNDEF || symb2->value == UNDEF)
{
if (symb1->value == INTEGER && symb2->value == INTEGER)
{
cmp_instr(logic_op, op1, op2, tmp);
}
else if (symb1->value == FLOAT && symb2->value == FLOAT)
{
cmp_instr(logic_op, op1, op2, tmp);
}
else if (symb1->value == FLOAT && symb2->value == INTEGER)
{
add_instruction(I_INT2FLOAT, &op2, &op2, NULL);
cmp_instr(logic_op, op1, op2, tmp);
}
else if (symb1->value == INTEGER && symb2->value == FLOAT)
{
add_instruction(I_INT2FLOAT, &op1, &op1, NULL);
cmp_instr(logic_op, op1, op2, tmp);
}
else if (symb1->value == STRING && symb2->value == STRING)
{
cmp_instr(logic_op, op1, op2, tmp);
}
else if (symb1->value == NIL && symb2->value == NIL)
{
if (logic_op == EQUAL || logic_op == NOT_EQUAL)
cmp_instr(logic_op, op1, op2, tmp);
else
return ERR_SEM_CPBLT;
}
else
{
if (logic_op == EQUAL)
{
data_t d;
d.param_cnt = 0;
d.type = CONST;
d.value = BOOL;
d.id = string_create("false");
insert(sym_tb, &d);
data_t *const_false = search(sym_tb, d.id);
string_free(d.id);