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analisador-semantico.y
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analisador-semantico.y
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%{
/** **** Analisador Semantico **** **/
/** Desenvolvido por Jeferson Lima **/
/** e Jefferson Renê **/
/** Versão 0.4 **/
/** Linguagem LUA **/
/** Licença MIT **/
/** Descrição: Analisador **/
/** Sintatico/Semantico **/
/** e gerador de código **/
/** para a linguagem **/
/** LUA. **/
/** **/
/** 2º TRABALHO DE COMPILADORES **/
/** ******************************* **/
/** ******************************* **/
/** Compilar este projeto usando **/
/** make parse ou make **/
/** ******************************* **/
/** ******************************* **/
/** LEIA O README PARA **/
/** MAIS INFORMAÇÔES **/
/** ******************************* **/
/* String Manipulation */
#include <string.h>
/* Definições do Flex */
#include "lex.yy.h"
/* Definições dos tipos */
#include "parser.defs.h"
/* Lexical definitions */
#include "lexical.defs.h"
/* Token Structure */
#include "token_struct.h"
/* Functions to generate code */
#include "codegen_functions.h"
/* Utils */
#include "utils.h"
/* Needed by bison */
void yyerror(const char *);
/* Variables for File Manipulation */
char output_filename[MAX_OUTPUT_FILENAME];
FILE *output_file;
/* Token Data */
char *all_tokens;
int last_char;
/* Master Root Token AST */
TokenNode *abstract_sintatic_tree;
/* Header Generated Code */
extern InstructionQueue *header_instruction_queue;
/* Main Generated Code */
extern InstructionQueue *main_instruction_queue;
/* Global Symbol Table */
extern SymbolTable *global_symbol_table;
%}
/* Definition of token iterator */
%union{
/* Pointer to a token node */
TokenNode *token_node;
}
/*** * Definitions Section * ***/
/* Boolean Comparators */
%token <token_node> T_AND
%token <token_node> T_OR
%token <token_node> T_NOT
/* Symbols */
/* Math Operators */
%token <token_node> T_PLUS
%token <token_node> T_MINUS
%token <token_node> T_TIMES
%token <token_node> T_DIV
%token <token_node> T_MOD
%token <token_node> T_EXP
%token <token_node> T_FLOOR
/* Boolean Operators */
%token <token_node> T_EQ
%token <token_node> T_NEQ
%token <token_node> T_LTEQ
%token <token_node> T_GTEQ
%token <token_node> T_LT
%token <token_node> T_GT
/* Separators and assign */
%token <token_node> T_COMMA
%token <token_node> T_SEMICOL
%token <token_node> T_ASSIGN
/* Bit-a-Bit Operators */
%token <token_node> T_BIT_AND
%token <token_node> T_BIT_OR
%token <token_node> T_BIT_N_XOR
%token <token_node> T_BIT_RSH
%token <token_node> T_BIT_LSH
/* Encapsulation Symbols */
%token <token_node> T_OPENPAR
%token <token_node> T_CLOSEPAR
%token <token_node> T_OPENBRACE
%token <token_node> T_CLOSEBRACE
%token <token_node> T_OPENBRACKET
%token <token_node> T_CLOSEBRACKET
/* Other Symbols */
%token <token_node> T_CONCAT
%token <token_node> T_VARARG
%token <token_node> T_SEP
%token <token_node> T_COLON
%token <token_node> T_LABEL
/* -- Precendence -- */
%left T_EXP T_FLOOR
%left T_CONCAT T_VARARG T_SEP T_COLON T_LABEL
%left T_BIT_AND T_BIT_OR
%left T_BIT_N_XOR T_BIT_RSH T_BIT_LSH
%left T_OR
%left T_AND
%left T_LT T_GT T_LTEQ T_GTEQ T_NEQ T_EQ
%left T_PLUS T_MINUS
%left T_MOD T_TIMES T_DIV
%left T_NOT
/* Reserved Words */
/* Conditional Expression */
%token <token_node> T_IF
%token <token_node> T_ELSEIF
%token <token_node> T_ELSE
%token <token_node> T_THEN
/* Loop Expression */
%token <token_node> T_FOR
%token <token_node> T_WHILE
%token <token_node> T_DO
/* Close Expression */
%token <token_node> T_END
%token <token_node> T_RETURN
/* Variable and Functions Manipultion */
%token <token_node> T_FUNCTION
%token <token_node> T_LOCAL
%token <token_node> T_NIL
/* Extra Reserved Words */
/* Boolean Names */
/*%token <token_node> T_TRUE*/
/*%token <token_node> T_FALSE*/
/* Other Loop Expression */
%token <token_node> T_REPEAT
%token <token_node> T_UNTIL
%token <token_node> T_BREAK
/* Other Reserved Words */
%token <token_node> T_GLOBAL
%token <token_node> T_IN
/* Variable Types */
%token <token_node> T_NUMBER
%token <token_node> T_LITERAL
%token <token_node> T_NAME
/* Expression Types */
%type <token_node> programa
%type <token_node> bloco
%type <token_node> comando
%type <token_node> comandoret
%type <token_node> exp
%type <token_node> chamadadefuncao
%type <token_node> listadenomes
%type <token_node> listaexp
%type <token_node> comando_list
%type <token_node> term_elseif
%type <token_node> label
/* Start Type */
%start programa
/* Enable Verbose Errors */
%error-verbose
/* Number of Shift Reducions */
%expect 0
%%
/*** * Language Definitions * ***/
/* -- Program Section -- */
/* > Store Application if success parsing */
programa : bloco {
/* Initialize Global AST */
allocateTokenAndChilds(&abstract_sintatic_tree, TI_PROGRAMA, 1, $1);
/* Add NULL pointer to father */
nodeAddRootToken(abstract_sintatic_tree, NULL);
/* Add Textual content */
allocateTokenText(abstract_sintatic_tree, 3, "[programa ", $1->token_str, "]\n");
#ifdef SEMANTIC_ANALYSER
/* Store output file result */
fprintf(output_file, "[programa %s]\n", $1->token_str);
/* Print Finished Result */
fprintf(stderr,
"\n::: SYNTATIC/SEMANTIC ANALYSER :::\n"
"[programa %s]\n\n"
"::: LEXICAL PARSER :::\n"
"%s",
$1->token_str, all_tokens);
#else
/* Start generating code proccess */
cgenAllCode(abstract_sintatic_tree);
/* Store codegen header to output file */
instructionQueueFilePrint(output_file, header_instruction_queue);
/* Store codegen main code to output file */
instructionQueueFilePrint(output_file, main_instruction_queue);
/* Print Finished Result */
printf("\n::: CODE GENERATOR :::\n");
/* Print Header Instruction Queue */
instructionQueueFilePrint(stdout, header_instruction_queue);
/* Print Main Instruction Queue */
instructionQueueFilePrint(stdout, main_instruction_queue);
/* Print other structures */
printf( "\n::: SYNTATIC/SEMANTIC ANALYSER :::\n"
"[programa %s]\n\n"
"::: LEXICAL PARSER :::\n"
"%s",
$1->token_str, all_tokens);
/* Delete instruction queue and symbol table */
deleteInstructionQueue(&header_instruction_queue);
deleteInstructionQueue(&main_instruction_queue);
deleteSymbolTable(&global_symbol_table);
#endif
/* Free tokens and AST */
secureFree(all_tokens);
deleteTokenNode(&abstract_sintatic_tree, true);
/* Assign null to the current token */
$$ = NULL;
}
;
/* -- Block are sections of code -- */
bloco : comando_list comandoret {
/* Allocate Token and Childs */
allocateTokenAndChilds(&$$, TI_BLOCO_RETURN, 2, $1, $2);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[bloco", $1->token_str, " ", $2->token_str, "]");
}
| comando_list {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BLOCO, 1, $1);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[bloco", $1->token_str, "]");
}
;
/* -- List of commands -- */
comando_list : comando_list comando {
/* Initialize the list with no childs */
allocateTokenAndChilds(&$$, TI_COMANDO_LIST, 0);
/* Allocate Text */
allocateTokenText($$, 3, $1->token_str, " ", $2->token_str);
/* If the last type wasn't empty copy childs of this node */
if($1->token_type != TI_EMPTY){
concatenateChildTokens($$, &$1);
}
else{
deleteTokenNode(&$1, false);
}
/* Check if there are errors with the actual node */
if($$ == NULL){
printFatalError("FATAL ERROR ON ACTUAL NODE!");
return EXIT_FAILURE;
}
/* Check if there are errors with the actual child list */
if($$->child_list == NULL){
printFatalError("FATAL ERROR ON CHILD LIST!");
return EXIT_FAILURE;
}
/* Add the last node */
listAddToken($$->child_list, $2);
nodeAddRootToken($2, $$);
}
| /* Empty */ {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_EMPTY, 0);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "");
}
;
/* -- Commands belong to program, and represent all the actions that can occur -- */
comando : T_SEMICOL {
/* Copy pointer of the terminal token */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "[comando [T_SEMICOL ;]]");
}
| label {
/* Copy pointer of the terminal token */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[comando ", $1->token_str, "]");
}
| T_BREAK {
/* Copy pointer of the terminal token */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "[comando [T_BREAK break]]");
}
| chamadadefuncao {
/* Copy pointer of the terminal token */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[comando ", $1->token_str, "]");
}
| listadenomes T_ASSIGN listaexp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_ASSIGN, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 5,
"[comando "
"[listadenomes ", $1->token_str,"] "
"[T_ASSIGN =] "
"[listaexp ", $3->token_str,"]"
"]");
}
| T_DO bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BLOCO_COMANDO, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 3,
"[comando "
"[T_DO do] "
, $2->token_str, " "
"[T_END end]"
"]");
}
| T_WHILE exp T_DO bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_WHILE, 5, $1, $2, $3, $4, $5);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 5,
"[comando "
"[T_WHILE while] "
, $2->token_str, " "
"[T_DO do] "
, $4->token_str, " "
"[T_END end]"
"]");
}
| T_FOR T_NAME T_ASSIGN exp T_COMMA exp T_COMMA exp T_DO bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_FOR_INC, 11,
$1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 11,
"[comando "
"[T_FOR for] "
"[T_NAME ", $2->lex_str, "] "
"[T_ASSIGN =] "
, $4->token_str, " "
"[T_COMMA ,] "
, $6->token_str, " "
"[T_COMMA ,] "
, $8->token_str, " "
"[T_DO do] "
, $10->token_str, " "
"[T_END end]"
"]");
}
| T_FOR T_NAME T_ASSIGN exp T_COMMA exp T_DO bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_FOR, 9,
$1, $2, $3, $4, $5, $6, $7, $8, $9);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 9,
"[comando "
"[T_FOR for] "
"[T_NAME ", $2->lex_str, "] "
"[T_ASSIGN =] "
, $4->token_str, " "
"[T_COMMA ,] "
, $6->token_str, " "
"[T_DO do] "
, $8->token_str, " "
"[T_END end]"
"]");
}
| T_IF exp T_THEN bloco term_elseif T_ELSE bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_IF_ELSE, 8,
$1, $2, $3, $4, $5, $6, $7, $8);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 8,
"[comando "
"[T_IF if] "
, $2->token_str, " "
"[T_THEN then] "
, $4->token_str
, $5->token_str, " "
"[T_ELSE else] "
, $7->token_str, " "
"[T_END end]"
"]");
}
| T_IF exp T_THEN bloco term_elseif T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_IF, 6,
$1, $2, $3, $4, $5, $6);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 6,
"[comando "
"[T_IF if] "
, $2->token_str, " "
"[T_THEN then] "
, $4->token_str
, $5->token_str, " "
"[T_END end]"
"]");
}
| T_FUNCTION T_NAME T_OPENPAR listadenomes T_CLOSEPAR bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_FUNCTION_PARAM, 7,
$1, $2, $3, $4, $5, $6, $7);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 7,
"[comando "
"[T_FUNCTION function] "
"[T_NAME ", $2->lex_str, "] "
"[T_OPENPAR (] "
"[listadenomes ", $4->token_str, "] "
"[T_CLOSEPAR )] "
, $6->token_str, " "
"[T_END end]"
"]");
}
| T_FUNCTION T_NAME T_OPENPAR T_CLOSEPAR bloco T_END {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_FUNCTION, 6,
$1, $2, $3, $4, $5, $6);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 5,
"[comando "
"[T_FUNCTION function] "
"[T_NAME ", $2->lex_str, "] "
"[T_OPENPAR (] "
"[T_CLOSEPAR )] "
, $5->token_str, " "
"[T_END end]"
"]");
}
| T_LOCAL listadenomes T_ASSIGN listaexp {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_LOCAL_ASSIGN, 4,
$1, $2, $3, $4);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 5,
"[comando "
"[T_LOCAL local] "
"[listadenomes ", $2->token_str, "] "
"[T_ASSIGN =] "
"[listaexp ", $4->token_str, "]"
"]");
}
| T_LOCAL listadenomes {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_LOCAL_DEFINE, 2,
$1, $2);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 3,
"[comando "
"[T_LOCAL local] "
"[listadenomes ", $2->token_str, "]"
"]");
}
;
label : T_LABEL T_NAME T_LABEL {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_LABEL, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[T_LABEL ::] [T_NAME ", $2->lex_str, "] [T_LABEL ::]");
}
;
term_elseif : term_elseif T_ELSEIF exp T_THEN bloco {
/* Initialize the list with no childs */
allocateTokenAndChilds(&$$, TI_LIST_ELSEIF, 0);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, $1->token_str, " [T_ELSEIF elseif] ", $3->token_str, " [T_THEN then] ", $5->token_str);
/* If the last type wasn't empty copy childs of this node */
if($1->token_type != TI_EMPTY){
concatenateChildTokens($$, &$1);
}
else{
deleteTokenNode(&$1, false);
}
/* Check if there are errors with the actual node */
if($$ == NULL){
printFatalError("FATAL ERROR ON ACTUAL NODE!");
return EXIT_FAILURE;
}
/* Check if there are errors with the actual node */
if($$->child_list == NULL){
printFatalError("FATAL ERROR ON CHILD LIST!");
return EXIT_FAILURE;
}
/* Add the last node */
listAddToken($$->child_list, $2);
listAddToken($$->child_list, $3);
listAddToken($$->child_list, $4);
listAddToken($$->child_list, $5);
nodeAddRootToken($2, $$);
nodeAddRootToken($3, $$);
nodeAddRootToken($4, $$);
nodeAddRootToken($5, $$);
}
| /* Empty */ {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_EMPTY, 0);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "");
}
;
comandoret : T_RETURN listaexp T_SEMICOL {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_RETURN_EXPLIST, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 3,
"[comandoret "
"[T_RETURN return] "
"[listaexp ", $2->token_str, "] "
"[T_SEMICOL ;]"
"]");
}
| T_RETURN listaexp {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_RETURN_EXPLIST, 2, $1, $2);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[comandoret [T_RETURN return] [listaexp ", $2->token_str, "]]");
}
| T_RETURN T_SEMICOL {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_RETURN, 1, $1);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "[comandoret [T_RETURN return] [T_SEMICOL ;]]");
}
| T_RETURN {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_RETURN, 1, $1);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "[comandoret [T_RETURN return]]");
}
;
exp : T_NIL {
/* Copy pointer of the terminal */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "[exp [T_NIL nil]]");
}
| T_VARARG {
/* Copy pointer of the terminal */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 1, "[exp [T_VARARG ...]]");
}
| T_NUMBER {
/* Copy pointer of the terminal */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [T_NUMBER ", $1->lex_str, "]]");
}
| T_LITERAL {
/* Copy pointer of the terminal */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [T_LITERAL \"", $1->lex_str, "\"]]");
}
| T_NAME {
/* Copy pointer of the terminal */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [T_NAME ", $1->lex_str, "]]");
}
| chamadadefuncao {
/* Copy pointer of the terminal or last token since this token is intermediary */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp ", $1->token_str, "]");
}
| T_MINUS exp {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_UMINUS, 2, $1, $2);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [opunaria [T_MINUS -]] ", $2->token_str, "]");
}
| T_NOT exp {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_NOT, 2, $1, $2);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [opunaria [T_NOT not]] ", $2->token_str, "]");
}
| T_BIT_N_XOR exp {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_BIT_NOT, 2, $1, $2);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [opunaria [T_BIT_NOT ~]] ", $2->token_str, "]");
}
| exp T_PLUS exp {
/* Allocate Token and append childs */
allocateTokenAndChilds( &$$, TI_PLUS, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_PLUS +]] ", $3->token_str, "]");
}
| exp T_MINUS exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_MINUS, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_MINUS -]] ", $3->token_str, "]");
}
| exp T_TIMES exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_TIMES, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_TIMES *]] ", $3->token_str, "]");
}
| exp T_DIV exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_DIV, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_DIV /]] ", $3->token_str, "]");
}
| exp T_FLOOR exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_FLOOR, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_FLOOR //]] ", $3->token_str, "]");
}
| exp T_EXP exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_EXP, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_EXP ^]] ", $3->token_str, "]");
}
| exp T_MOD exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_MOD, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_MOD %%]] ", $3->token_str, "]");
}
| exp T_BIT_AND exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BIT_AND, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_BIT_AND &]] ", $3->token_str, "]");
}
| exp T_BIT_OR exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BIT_OR, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_BIT_OR |]] ", $3->token_str, "]");
}
| exp T_BIT_N_XOR exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BIT_N_XOR, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_BIT_XOR ~]] ", $3->token_str, "]");
}
| exp T_BIT_LSH exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BIT_LSH, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_BIT_LSH <<]] ", $3->token_str, "]");
}
| exp T_BIT_RSH exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_BIT_RSH, 3, $1, $2, $3);
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_BIT_RSH >>]] ", $3->token_str, "]");
}
| exp T_CONCAT exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_CONCAT, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_CONCAT ..]] ", $3->token_str, "]");
}
| exp T_LT exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_LT, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_LT <]] ", $3->token_str, "]");
}
| exp T_LTEQ exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_LTEQ, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_LTEQ <=]] ", $3->token_str, "]");
}
| exp T_GT exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_GT, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_GT >]] ", $3->token_str, "]");
}
| exp T_GTEQ exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_GTEQ, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_GTEQ >=]] ", $3->token_str, "]");
}
| exp T_EQ exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_EQ, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_EQ ==]] ", $3->token_str, "]");
}
| exp T_NEQ exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_NEQ, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_NEQ ~=]] ", $3->token_str, "]");
}
| exp T_AND exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_AND, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_AND and]] ", $3->token_str, "]");
}
| exp T_OR exp {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_OR, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 5, "[exp ", $1->token_str, " [opbin [T_OR or]] ", $3->token_str, "]");
}
| T_OPENPAR exp T_CLOSEPAR {
/* Copy pointer of the terminal or last token since this token is intermediary */
$$ = $2;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[exp [T_OPENPAR (] ", $2->token_str, " [T_CLOSEPAR )]]");
/* Remove the two other tokens */
deleteTokenNode(&$1, true);
deleteTokenNode(&$3, true);
}
/*
| T_TRUE {
/* Copy pointer of the terminal or last token since this token is intermediary * /
$$ = $1;
/* Allocate a concatenation of token text strings * /
allocateTokenText($$, 1, "[exp [T_TRUE true]]");
}
| T_FALSE {
/* Copy pointer of the terminal or last token since this token is intermediary * /
$$ = $1;
/* Allocate a concatenation of token text strings * /
allocateTokenText($$, 1, "[exp [T_FALSE false]]");
}
*/
;
chamadadefuncao : T_NAME T_OPENPAR listaexp T_CLOSEPAR {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_CALL_FUNCTION_PAR, 4, $1, $2, $3, $4);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 5,
"[chamadadefuncao "
"[T_NAME ", $1->lex_str, "] "
"[T_OPENPAR (] "
"[listaexp ", $3->token_str, "] "
"[T_CLOSEPAR )] "
"]");
}
| T_NAME T_OPENPAR T_CLOSEPAR {
/* Allocate Token and append childs */
allocateTokenAndChilds(&$$, TI_CALL_FUNCTION, 3, $1, $2, $3);
/* Allocate a concatenation of token text strings */
allocateTokenText( $$, 3,
"[chamadadefuncao "
"[T_NAME ", $1->lex_str, "] "
"[T_OPENPAR (] "
"[T_CLOSEPAR )] "
"]");
}
;
listadenomes : T_NAME {
/* Copy pointer of the terminal */
$$ = $1;
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, "[T_NAME ", $1->lex_str, "]");
}
| listadenomes T_COMMA T_NAME {
/* Initialize the list with no childs */
allocateTokenAndChilds(&$$, TI_LISTADENOMES, 0);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 4, $1->token_str, " [T_COMMA ,] [T_NAME ", $3->lex_str, "]");
/* Concatenate the first elements with the actual node if */
if($1->token_type == TI_LISTADENOMES){
concatenateChildTokens($$, &$1);
}
/* Add the first child if the last child was a token */
else{
listAddToken($$->child_list, $1);
nodeAddRootToken($1, $$);
}
/* Check if there are errors with the actual node */
if($$ == NULL){
printFatalError("FATAL ERROR ON ACTUAL NODE!");
return EXIT_FAILURE;
}
/* Check if there are errors with the actual node */
if($$->child_list == NULL){
printFatalError("FATAL ERROR ON CHILD LIST!");
return EXIT_FAILURE;
}
/* Add the last nodes */
listAddToken($$->child_list, $2);
listAddToken($$->child_list, $3);
nodeAddRootToken($2, $$);
nodeAddRootToken($3, $$);
}
;
listaexp : exp {
/* Copy pointer of the terminal or last token since this token is intermediary */
$$ = $1;
}
| listaexp T_COMMA exp {
/* Initialize the list with no childs */
allocateTokenAndChilds(&$$, TI_LISTAEXP, 0);
/* Allocate a concatenation of token text strings */
allocateTokenText($$, 3, $1->token_str, " [T_COMMA ,] ", $3->token_str);
/* Concatenate the first elements with the actual node if */
if($1->token_type == TI_LISTAEXP){
concatenateChildTokens($$, &$1);
}
/* Add the first child if the last child was a token */
else{
listAddToken($$->child_list, $1);
nodeAddRootToken($1, $$);
}
/* Check if there are errors with the actual node */
if($$ == NULL){
printFatalError("FATAL ERROR ON ACTUAL NODE!");
return EXIT_FAILURE;
}
/* Check if there are errors with the actual node */
if($$->child_list == NULL){
printFatalError("FATAL ERROR ON CHILD LIST!");
return EXIT_FAILURE;
}
/* Add the last nodes */
listAddToken($$->child_list, $2);
listAddToken($$->child_list, $3);
nodeAddRootToken($2, $$);
nodeAddRootToken($3, $$);
}
;
%%
/*** **** C Code Section **** ***/
/**
* Print an error generated by bison.
*
* @param s String with error informated.
*/
void yyerror(const char *s) {
/* Print the error message */
fprintf(stderr, "\n[ERROR]\tFailled to compile this file. Check the message \n"
"\tbelow to solve this problem before try again.\n");
fprintf(stderr, "%s\n", s);
/* Free all tokens read by the lexical */
secureFree(all_tokens);
/* Destroy ambient */
yylex_destroy();
/* Close output file */
fclose(output_file);
/* Exit application with failure */
exit(EXIT_FAILURE);
}
/**
* Print Help Usage
*/