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2.y
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%{
#include <iostream>
#include <stdio.h>
#include <string.h>
#include <string.h>
#include <sstream>
#include <vector>
#include <string>
using namespace std;
extern int yylex();
extern int yyparse();
extern FILE *yyin;
char * ctemp1 , ctemp2;
extern int yylineno;
void preOrder(struct tok *node);
void preOrder2(struct tok *node);
void tree(struct tok *node);
void yyerror(const char *s);
void yyerror2(int );
int flag;
int flag2;
int numbers,ins;/* 1 reg 2 arrs 3 vars1*/
FILE * datafile;
FILE * textfile;
string reg[8];
int vars;
int tvars;
/*vector<string> vars1;
vector<string> arrs;*/
struct tdata{
char type;/*b == bool i = int */
string name;
int value;/**/
bool arr;
int arr_size;
bool varglobal;
bool regs;
bool regt;
int reg_num;
};
struct f{
string name;
bool has_args;
vector <struct tdata> args;
};
vector <struct tdata> args2;
vector<struct tdata> vars1;
vector<struct f> funcs;
struct tok{
char* name;
char* value;
char location_type;
string var_value;
int exp_val;
char cv;
char gr;
char exp_type;
struct tok* next=NULL;
struct tok* bef=NULL;
struct tok* sibling=NULL;
struct tok* child=NULL;
};
struct tdata re;
struct tok* start;
struct tok* end;
struct tok* root;
struct tok* last;
struct tok* temp1;
struct tok* temp2;
struct tok* temp3;
struct tok* temp4;
struct tok* temp5;
struct tok* temp6;
struct tok* temp7;
struct tok* temp8;
struct tok* temp9;
struct tok* temp10;
struct tok* child1;
struct tok* child2;
struct tok* child3;
struct tok* child4;
struct tdata haha;
%}
%locations
%define parse.lac full
%define parse.error verbose
%union{
struct tok* token1;
char* c;
}
%token <c> TOKEN_DECIMALCONST
%token <c> TOKEN_HEXADECIMALCONST
%token <c> TOKEN_BOOLEANTYPE
%token <c> TOKEN_BREAKSTMT
%token <c> TOKEN_CALLOUT
%token <c> TOKEN_CLASS
%token <c> TOKEN_CONTINUESTMT
%token <c> TOKEN_ELSECONDITION
%token <c> TOKEN_BOOLEANCONST
%token <c> TOKEN_LOOP
%token <c> TOKEN_IFCONDITION
%token <c> TOKEN_INTTYPE
%token <c> TOKEN_RETURN
%token <c> TOKEN_VOIDTYPE
%token <c> TOKEN_PROGRAMCLASS
%token <c> TOKEN_MAINFUNC
%token <c> TOKEN_ID
%token <c> TOKEN_CHARCONST
%token <c> TOKEN_ARITHMATICOP1
%token <c> TOKEN_ARITHMATICOP2
%token <c> TOKEN_ARITHMATICOP3
%token <c> TOKEN_ARITHMATICOP4
%token <c> TOKEN_ARITHMATICOP5
%token <c> TOKEN_CONDITIONOP
%token <c> TOKEN_RELATIONOP
%token <c> TOKEN_EQUALITYOP
%token <c> TOKEN_ASSIGNOP
%token <c> TOKEN_LOGICOP
%token <c> TOKEN_LP
%token <c> TOKEN_RP
%token <c> TOKEN_LCB
%token <c> TOKEN_RCB
%token <c> TOKEN_LB
%token <c> TOKEN_RB
%token <c> TOKEN_SEMICOLON
%token <c> TOKEN_COMMA
%token <c> TOKEN_STRINGCONST
%type <token1>program
%type <token1>string_literal
%type <token1>callout_arg
%type <token1>callout_arg2
%type <token1> decl
%type <token1> field_dec2
%type <token1>method_dec
%type <token1>type
%type <token1>id
%type <token1>int_literal
%type <token1> method_dec2
%type <token1> method_dec3
%type <token1> block
%type <token1> toop
%type <token1> toop4
%type <token1> statement
%type <token1>var_dec
%type <token1> method_call
%type <token1> expr2
%type <token1> expr3
%type <token1> method_name
%type <token1> expr location
%type <token1> literal
%type <token1> char_literal
%type <token1> bool_literal
%type <token1> bin_op
%type <token1> arith_op
%type <token1> rel_op
%type <token1>eq_op
%type <token1>cond_op
%type <token1> f4 f3
%type <token1> var_dec2
%type <token1> statement2
%%
program:
TOKEN_CLASS TOKEN_PROGRAMCLASS TOKEN_LCB decl TOKEN_RCB {
root = new tok();
$$=root;
root->name = strdup("<program>");
root->value = strdup("<program>");
temp1 = new tok();
root->child = temp1;
temp1->name = strdup(" TOKEN_CLASS");
temp1->value = strdup(" class");
temp2 = new tok();
temp1->sibling = temp2;
temp2->name = strdup(" TOKEN_PROGRAMCLASS");
temp2->value = strdup(" Program");
temp3 = new tok();
temp2->sibling = temp3;
temp3->name = strdup(" TOKEN_LCB ");
temp3->value = strdup(" { ");
temp3->sibling = $4;
temp4 = new tok();
temp4->name = strdup(" TOKEN_RCB ");
temp4->value = strdup(" } ");
$4->sibling = temp4;
}
decl :
field_dec2 decl{$$ = new tok();
$$->child = $1;
$1->sibling=$2;
$$->name = strdup("");
$$->value = strdup("");
}
|
method_dec3{$$ = new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
}
field_dec2 :
type f3 TOKEN_SEMICOLON {
$$= new tok();
$$->child = $1;
$1->sibling=$2;
temp1 = new tok();
temp1->name = strdup(" TOKEN_SEMICOLON");
temp1->value = strdup(" ;");
$2->sibling = temp1;
$$->name = strdup(" <field_dec>");
$$->value = strdup(" <field_dec>");
if(strcmp(" int",$1->child->value)==0){
for(int i = vars1.size()-1;numbers>0;numbers--){
vars1[i-(numbers-1)].type='i';
}
numbers=0;
}else if(strcmp(" boolean",$1->child->value)==0)
{
for(int i = vars1.size()-1;numbers>0;numbers--){
vars1[i-(numbers-1)].type='b';
}
numbers=0;
}
}
f3 : f4{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
}
|
f4 TOKEN_COMMA f3{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
temp3 = new tok();
temp3->name = strdup(" TOKEN_COMMA");
temp3->value = strdup(" ,");
$1->sibling = temp3;
temp3->sibling = $3;}
f4 : id {$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
/*code generation*/
flag = 0;
for(int i = vars1.size()-1;i>=0;i--){
if(vars1[i].name.compare($1->child->value)==0){
cout<<"variable redefined"<<endl;
exit(0);
}
}
numbers++;
ins = 3;
haha.name = string($1->child->value);
haha.varglobal = true;
haha.arr=false;
haha.regs=false;
haha.regt=false;
vars1.push_back(haha);
fprintf (datafile, "%s: .word 0\n",$1->child->value);
}
|
id TOKEN_LB int_literal TOKEN_RB{$$= new tok();
$$->child = $1;
temp2 = new tok();
temp2->name = strdup(" TOKEN_RB");
temp2->value = strdup(" ]");
temp3 = new tok();
temp3->name = strdup(" TOKEN_LB");
temp3->value = strdup(" [");
$1->sibling = temp3;
temp3->sibling = $3;
$3->sibling=temp2;
$$->name = strdup("");
$$->value = strdup("");
flag = 0;
for(int i = vars1.size()-1;i>=0;i--){
if(vars1[i].name.compare($1->child->value)==0){
cout<<"variable redefined"<<endl;
exit(0);
}
}
numbers++;
ins = 3;
haha.name = string($1->child->value);
haha.varglobal = false;
haha.arr=true;
haha.regs=false;
haha.regt=false;
haha.arr_size=atoi($3->child->value);
vars1.push_back(haha);
if (atoi($3->child->value)<=0){cout<<"array index not valid in line:"<<yylineno;exit(0);}
fprintf (datafile, "%s: .space %d\n",$1->child->value,(atoi($3->child->value)*4));
fprintf (textfile, "\taddi $s0, $zero, 0\n\taddi $t0, $zero, 0\n\tsw $s0, %s($t0)\n",$1->child->value);
for(int i =1;i<atoi($3->child->value);i++){
fprintf (textfile, "\taddi $t0, $t0, 4\n\tsw $s0, %s($t0)\n",$1->child->value);
}
}
type :
TOKEN_BOOLEANTYPE { $$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_BOOLEANTYPE");
temp1->value = strdup(" boolean");
$$->child = temp1;
$$->name = strdup(" <type>");
$$->value = strdup(" <type>");
}
| TOKEN_INTTYPE {$$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_INTTYPE");
temp1->value = strdup(" int");
$$->child = temp1;
$$->name = strdup(" <type>");
$$->value = strdup(" <type>");
}
id :
TOKEN_ID {
$$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_ID");
temp1->value = strdup($1);
$$->child = temp1;
$$->name = strdup(" <id>");
$$->value = strdup(" <id>");
}
int_literal :
TOKEN_HEXADECIMALCONST {$$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_HEXADECIMALCONST");
temp1->value = strdup($1);
$$->child = temp1;
$$->name = strdup(" <int_literal>");
$$->value = strdup(" <int_literal>");
$$->location_type = 'i';
}
|TOKEN_DECIMALCONST {$$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_DECIMALCONST");
temp1->value = strdup($1);
$$->child = temp1;
$$->name = strdup(" <int_literal>");
$$->value = strdup(" <int_literal>");
$$->location_type = 'i';
}
method_dec3 :
method_dec3 method_dec{$$ = new tok();
$$->name = strdup("");
$$->value = strdup("");
$$->child = $1;
$1->sibling = $2;
}
| method_dec{$$ = new tok();
$$->name = strdup("");
$$->value = strdup("");
$$->child = $1;
}
method_dec :
type method_dec2{$$ = new tok();
$$->name = strdup(" <method_dec>");
$$->value = strdup(" <method_dec>");
$$->child = $1;
$1->sibling = $2;
}
|
TOKEN_VOIDTYPE method_dec2{$$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_VOIDTYPE");
temp1->value = strdup($1);
$$->child = temp1;
$$->name = strdup(" <method_dec>");
$$->value = strdup(" <method_dec>");
temp1->sibling=$2;
}
method_dec2 :
TOKEN_MAINFUNC TOKEN_LP TOKEN_RP{fprintf (textfile, ".main\n");} block{
$$ = new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_MAINFUNC");
temp1->value = strdup(" main");
$$->child = temp1;
$$->name = strdup("");
$$->value = strdup("");
temp2 = new tok();
temp2->name = strdup(" TOKEN_LP");
temp2->value = strdup(" (");
temp1->sibling=temp2;
temp3 = new tok();
temp3->name = strdup(" TOKEN_RP");
temp3->value = strdup(" )");
temp2->sibling=temp3;
temp3->sibling=$5;
fprintf (textfile, "\tli $v0, 10\n\tsyscall\n");
}
|
id TOKEN_LP toop TOKEN_RP {fprintf (textfile, ".%s\n",$1->child->value);} block{
$$ = new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
temp2 = new tok();
temp2->name = strdup(" TOKEN_LP");
temp2->value = strdup(" (");
$1->sibling=temp2;
temp3 = new tok();
temp3->name = strdup(" TOKEN_RP");
temp3->value = strdup(" )");
temp2->sibling=$3;
$3->sibling=temp3;
temp3->sibling=$6;
struct f fun;
fun.name = string($1->child->value);
fun.has_args = true;
fun.args=args2;
funcs.push_back(fun);
args2.clear();
fprintf (textfile,"\tjr $ra\n");
}
|
id TOKEN_LP TOKEN_RP{fprintf (textfile, ".%s\n",$1->child->value);} block{
$$ = new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
temp2 = new tok();
temp2->name = strdup(" TOKEN_LP");
temp2->value = strdup(" (");
$1->sibling=temp2;
temp3 = new tok();
temp3->name = strdup(" TOKEN_RP");
temp3->value = strdup(" )");
temp2->sibling=temp3;
temp3->sibling=$5;
struct f fun;
fun.name = string($1->child->value);
fun.has_args = false;
funcs.push_back(fun);
fprintf (textfile,"\tjr $ra\n");
}
toop :
type id {
$$= new tok();
$$->child = $1;
$1->sibling=$2;
$$->name = strdup("");
$$->value = strdup("");
struct tdata re;
if (strcmp($1->child->value," int")==0){
re.type = 'i';
}else{
re.type='b';
}
args2.push_back(re);
}
|
type id TOKEN_COMMA toop {
$$= new tok();
$$->child = $1;
$1->sibling=$2;
$$->name = strdup("");
$$->value = strdup("");
temp1 = new tok();
temp1->name = strdup(" TOKEN_COMMA");
temp1->value = strdup(" ,");
$2->sibling = temp1;
temp1->sibling=$4;
if (strcmp($1->child->value," int")==0){
re.type = 'i';
}else{
re.type='b';
}
args2.push_back(re);
}
block :
TOKEN_LCB var_dec2 statement2 TOKEN_RCB{
$$=new tok();
temp1 = new tok();
temp1->name = strdup(" TOKEN_LCB");
temp1->value = strdup(" {");
$$->child=temp1;
$$->name = strdup(" <block>");
$$->value = strdup(" <block>");
temp1->sibling=$2;
$2->sibling=$3;
temp3 = new tok();
temp3->name = strdup(" TOKEN_RCB");
temp3->value = strdup(" }");
$3->sibling=temp3;
}
var_dec2 :
{$$=new tok();
$$->name = strdup(" ");
$$->value = strdup(" ");}
| var_dec var_dec2{$$=new tok();
$$->name = strdup(" ");
$$->value = strdup(" ");
$$->child=$1;
$1 ->sibling=$2;}
statement2 :
{$$=new tok();
$$->name = strdup(" ");
$$->value = strdup(" ");}
|
statement statement2 {$$=new tok();
$$->name = strdup(" ");
$$->value = strdup(" ");
$$->child=$1;
$1 ->sibling=$2;}
toop4 :
id{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
flag = 0;
for(int i = vars1.size()-1;i>=0;i--){
if(vars1[i].name.compare($1->child->value)==0){
cout<<"variable redefined"<<endl;
exit(0);
}
}
numbers++;
ins = 3;
haha.name = string($1->child->value);
haha.varglobal = false;
haha.arr=false;
haha.regs=true;
haha.regt=false;
haha.value = vars;
haha.reg_num=vars;
vars1.push_back(haha);
vars++;
if(vars>7){
cout <<"you cant define more than 8 non-global variables";
exit(0);}
fprintf (textfile, "\taddi $s%d, $zero, 0\n",vars-1);
}
|
id TOKEN_COMMA toop4{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
temp3 = new tok();
temp3->name = strdup(" TOKEN_COMMA");
temp3->value = strdup(" ,");
$1->sibling = temp3;
temp3->sibling = $3;
flag = 0;
for(int i = vars1.size()-1;i>=0;i--){
if(vars1[i].name.compare($1->child->value)==0){
cout<<"variable redefined"<<endl;
exit(0);
}
}
numbers++;
ins = 3;
haha.name = string($1->child->value);
haha.varglobal = false;
haha.arr=false;
haha.regs=true;
haha.regt=false;
haha.value = vars;
vars1.push_back(haha);
haha.reg_num=vars;
vars++;
if(vars>7){
cout <<"you cant define more than 8 non-global variables";
exit(0);}
fprintf (textfile, "\taddi $s%d, $zero, 0\n",vars-1);
}
var_dec :
type toop4 TOKEN_SEMICOLON{$$=new tok();
$$->child = $1;
temp1 = new tok();
temp1->name = strdup(" TOKEN_SEMICOLON");
temp1->value = strdup(" ;");
$1->sibling = temp1;
$$->name = strdup(" <var_dec>");
$$->value = strdup(" <var_dec>");
if(strcmp(" int",$1->child->value)==0){
for(int i = vars1.size()-1;numbers>0;numbers--){
vars1[i-(numbers-1)].type='i';
}
numbers=0;
}else if(strcmp(" boolean",$1->child->value)==0)
{
for(int i = vars1.size()-1;numbers>0;numbers--){
vars1[i-(numbers-1)].type='b';
}
numbers=0;
}
}
statement :
location TOKEN_ASSIGNOP expr TOKEN_SEMICOLON
{
$$=new tok();
$$->child = $1;
temp1 = new tok();
temp1->name = strdup(" TOKEN_ASSIGNOP");
temp1->value = strdup($2);
$1->sibling = temp1;
temp1->sibling=$3;
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp2= new tok();
temp2->name = strdup(" TOKEN_SEMICOLON");
temp2->value = strdup(" ;");
$3->sibling=temp2;
flag = -1;
for (int i = vars1.size()-1;i>=0;i--){
if(vars1[i].name.compare($1->child->child->value)==0){
flag = i;
break;
}
}
if(flag==-1){cout<<"variable "<<$1->child->child->value<<" is not defined"<<endl;
exit(0);}
if(vars1[flag].type!=$3->location_type){cout<<"variable types before and after assign operation are different"<<endl;
exit(0);}
if(vars1[flag].arr == true){
fprintf (textfile, "\taddi $t2, $zero, %d\n",((atoi($1->child->sibling->sibling->child->value))*4));
fprintf (textfile, "\tsw $t%d, %s($t2)\n",$3->exp_val,vars1[flag].name.c_str());
}else if(vars1[flag].varglobal == true){
fprintf (textfile, "\tsw $t%d, %s\n",$3->exp_val,vars1[flag].name.c_str());
}else if(vars1[flag].regs == true){
fprintf (textfile, "\tsw $t%d, $s%d\n",$3->exp_val,vars1[flag].value);
}
}
|
method_call TOKEN_SEMICOLON{$$=new tok();
$$->child = $1;
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp2= new tok();
temp2->name = strdup(" TOKEN_SEMICOLON");
temp2->value = strdup(" ;");
$1->sibling=temp2;
}
|
TOKEN_IFCONDITION TOKEN_LP expr TOKEN_RP {
fprintf (textfile, "\tbeq $t%d, $zero , ENDIF\n",$3->exp_val);
}block{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_IFCONDITION");
temp1->value = strdup(" if");
temp2 = new tok();
temp2->name = strdup(" TOKEN_LP");
temp2->value = strdup(" (");
temp1->sibling=temp2;
temp2->sibling=$3;
temp3 = new tok();
temp3->name = strdup(" TOKEN_RP");
temp3->value = strdup(" )");
$3->sibling=temp3;
temp3->sibling=$6;
fprintf (textfile, "ENDIF\n");
}
|
TOKEN_LOOP id TOKEN_ASSIGNOP expr TOKEN_COMMA expr{
fprintf (textfile, "\taddi $t9, $zero, $t%d\n",$4->exp_val);
fprintf (textfile, "\taddi $t8, $zero, $t%d\n",$6->exp_val);
fprintf (textfile, "\tslti $t7, $t9, $t8\n");
fprintf (textfile, "\tbne $t7, $zero, Loop\n");
fprintf (textfile, "\tj ENDLOOP\n");
fprintf (textfile, "LOOP\n");
}
block{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_LOOP");
temp1->value = strdup(" for");
temp2 = new tok();
temp2->name = strdup(" TOKEN_ASSIGNOP");
temp2->value = strdup($3);
temp1->sibling=$2;
$2->sibling=temp2;
temp2->sibling=$4;
temp3 = new tok();
temp3->name = strdup(" TOKEN_COMMA");
temp3->value = strdup(" ,");
$4->sibling=temp3;
temp3->sibling=$6;
$6->sibling=$8;
fprintf (textfile, "\taddi $t9, $t9, 1\n");
fprintf (textfile, "\tslti $t7, $t9, $t8\n");
fprintf (textfile, "\tbne $t7, $zero, Loop\n");
fprintf (textfile, "ENDLOOP NOP\n");
}
|
TOKEN_RETURN TOKEN_SEMICOLON{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_RETURN");
temp1->value = strdup(" return");
temp2= new tok();
temp2->name = strdup(" TOKEN_SEMICOLON");
temp2->value = strdup(" ;");
temp1->sibling=temp2;}
|
TOKEN_RETURN expr TOKEN_SEMICOLON{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_RETURN");
temp1->value = strdup(" return");
temp1->sibling=$2;
temp2= new tok();
temp2->name = strdup(" TOKEN_SEMICOLON");
temp2->value = strdup(" ;");
$2->sibling=temp2;}
|
TOKEN_BREAKSTMT TOKEN_SEMICOLON{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_BREAKSTMT");
temp1->value = strdup(" break");
temp2 = new tok();
temp2->name = strdup(" TOKEN_SEMICOLON");
temp2->value = strdup(" ;");
temp1->sibling=temp2;}
|
TOKEN_CONTINUESTMT TOKEN_SEMICOLON{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_CONTINUESTMT");
temp1->value = strdup(" continue");
temp2 = new tok();
temp2->name = strdup(" TOKEN_SEMICOLON");
temp2->value = strdup(" ;");
temp1->sibling=temp2;}
|
block{$$=new tok();
$$->name = strdup(" <statement>");
$$->value = strdup(" <statement>");
$$->child = $1;}
method_call :
method_name TOKEN_LP expr2 TOKEN_RP{$$=new tok();
$$->child = $1;
$$->name = strdup(" <method_call>");
$$->value = strdup(" <method_call>");
temp1 = new tok();
temp1->name = strdup(" TOKEN_LP");
temp1->value = strdup(" (");
$1->sibling=temp1;
temp1->sibling=$3;
temp2 = new tok();
temp2->name = strdup(" TOKEN_RP");
temp2->value = strdup(" )");
$3->sibling=temp2;
flag = -1;
for(int i = funcs.size()-1;i>=0;i--){
if(funcs[i].name.compare($1->child->child->value)==0){
flag = i;
break;
}
}
if(flag == -1){
cout<<"function not defined"<<endl;
exit(0);
}
if(funcs[flag].has_args==false){
cout<<"wrong function call: function call should have no input arguments"<<endl;
exit(0);
}
temp1=$3->child;
for(int i = funcs[flag].args.size()-1;i>=0;i--){
if(temp3->location_type!=funcs[flag].args[i].type){
cout<<"wrong function call: argument types dont match"<<endl;
exit(0);
}
if(i!=0){temp1=temp1->sibling->sibling;}
}
fprintf (textfile,"\tjal %s\n",funcs[flag].name.c_str());
}
|
method_name TOKEN_LP TOKEN_RP{$$=new tok();
$$->child = $1;
$$->name = strdup(" <method_call>");
$$->value = strdup(" <method_call>");
temp1 = new tok();
temp1->name = strdup(" TOKEN_LP");
temp1->value = strdup(" (");
$1->sibling=temp1;
temp2 = new tok();
temp2->name = strdup(" TOKEN_RP");
temp2->value = strdup(" )");
temp1->sibling=temp2;
flag = -1;
for(int i = funcs.size()-1;i>=0;i--){
if(funcs[i].name.compare($1->child->child->value)==0){
flag = i;
break;
}
}
if(flag == -1){
cout<<"function not defined"<<endl;
exit(0);
}
if(funcs[flag].has_args==true){
cout<<"wrong function call: function call should have input arguments"<<endl;
exit(0);
}
fprintf (textfile,"\tjal %s\n",funcs[flag].name.c_str());
}
|
TOKEN_CALLOUT TOKEN_LP string_literal TOKEN_COMMA callout_arg TOKEN_RP{$$=new tok();
$$->name = strdup(" <method_call>");
$$->value = strdup(" <method_call>");
temp1 = new tok();
$$->child = temp1;
temp1->name = strdup(" TOKEN_CALLOUT");
temp1->value = strdup(" callout");
temp2 = new tok();
temp2->name = strdup(" TOKEN_LP");
temp2->value = strdup(" (");
temp1->sibling=temp2;
temp2->sibling=$3;
temp3 = new tok();
temp3->name = strdup(" TOKEN_RP");
temp3->value = strdup(" )");
temp4 = new tok();
temp4->name = strdup(" TOKEN_COMMA");
temp4->value = strdup(" ,");
$3->sibling=temp4;
temp4->sibling=$5;
$5->sibling=temp3;
}
string_literal :TOKEN_STRINGCONST{$$=new tok();
$$->name = strdup(" <string_literal>");
$$->value = strdup(" <string_literal>");
temp1 = new tok();
temp1->name = strdup(" TOKEN_STRINGCONST");
temp1->value = strdup($1);
$$->child = temp1;}
callout_arg :callout_arg2
{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
}
|
callout_arg2 TOKEN_COMMA callout_arg{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
temp1 = new tok();
temp1->name = strdup(" TOKEN_COMMA");
temp1->value = strdup(" ,");
$1->sibling = temp1;
temp1->sibling=$3;}
callout_arg2 :
expr{$$= new tok();
$$->child = $1;
$$->name = strdup("");
$$->value = strdup("");
}
|
string_literal
{$$= new tok();
$$->child = $1;
$$->name = strdup("");