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ael.y
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ael.y
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%{
#define YYSTYPE char*
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <stdarg.h>
#include <cstring>
#include <string>
#include <sstream>
#include <iostream>
#include <fstream>
#include <set>
#include <vector>
#include <map>
#include <algorithm>
#include <iterator>
#include <stack>
#include <list>
#include <FlexLexer.h>
#include "utilities.h"
#include "common.h"
#include "ss_state.h"
#include "handlers.h"
using namespace std;
string analyze_expression(const string& s);
char* to_expr_analysis(char* s)
{
char* to_ret;
if(isNumeric(s, 10))
{
to_ret = s;
}
else
{
string ss = analyze_expression(s);
to_ret = alloc_string((char*)ss.data());
}
return to_ret;
}
yyFlexLexer lexer;
char format[20];
string box;
string last_block;
string last_block2;
bool is_block = false;
int label_idx = 0;
std::stack<SwitchStatementState> switchStack;
string current_ext;
string current_context;
string last_context;
int yylex(void)
{
return lexer.yylex();
}
extern "C"
{
int yyparse(void);
void yyerror(const char*, ...);
void yywarn(const char*, ...);
FILE* yyin;
FILE* yyout;
ostream* out_file;
#ifndef yywrap
int yywrap() { return 1; }
#endif
}
%}
%error-verbose
%locations
%right EQ
%token RPAREN
%token LPAREN
%right KET
%left BRA
%right ASSIGN
%token SEMICOLON
%left COMMA
%right ARROW
%left PIPE
%left COLON
%left AT
%left AND
%token IF
%token ELSE
%token WHILE
%token CASE
%token DEFAULT
%token PATTERN
%token CONTEXT
%token ABSTRACT
%token MACRO
%token GLOBALS
%token LOCAL
%token IGNOREPAT
%token REGEXTEN
%token HINT
%token RANDOM
%token IFTIME
%token SWITCH
%token SWITCHES
%token ESWITCHES
%token INCLUDES
%token GOTO
%token JUMP
%token FOR
%token BREAK
%token RETURN
%token CONTINUE
%token CATCH
%token WORD
%token EXPRINIT
%token RSBRA
%left NOTEQ
%left EQUAL
%left GT
%left LT
%left GTEQ
%left LTEQ
%left MULT
%left DIV
%left MOD
%left PLUS
%left MINUS
%right LOGNOT
%left LIKEOP
%right CONDQUEST
%token END 0 "end of file"
%%
file: objects { $$ = $1; string s = string($$); recycle_garbage(); *out_file << s.data(); }
| END;
objects:
objects object
{
$$ = grow_string($1, $2);
destroy_string($2);
}
| object
{
$$ = alloc_string($1);
}
;
object:
context { $$ = $1; }
| macro { $$ = $1; }
| globals { $$ = $1; }
| SEMICOLON { $$ = alloc_string((char*)";"); }
;
context:
CONTEXT word BRA elements KET
{
last_context = $2;
$$ = handleContext($2,$4);
}
| CONTEXT word BRA KET
{
last_context = $2;
$$ = handleContext($2,(char*)"");
}
| CONTEXT DEFAULT BRA elements KET
{
last_context = "default";
$$ = handleContext((char*)"default",$4);
}
| CONTEXT DEFAULT BRA KET
{
last_context = "default";
$$ = handleContext((char*)"default",(char*)"");
}
| ABSTRACT CONTEXT word BRA elements KET
{
yywarn("This context is marked to be abstract. Your LUA context will lose this property!");
last_context = $3;
$$ = handleContext($3,$5);
}
| ABSTRACT CONTEXT word BRA KET
{
yywarn("This context is marked to be abstract. Your LUA context will lose this property!");
last_context = $3;
$$ = handleContext($3,(char*)"");
}
| ABSTRACT CONTEXT DEFAULT BRA elements KET
{
yywarn("This context is marked to be abstract. Your LUA context will lose this property!");
last_context = "default";
$$ = handleContext((char*)"default",$5);
}
| ABSTRACT CONTEXT DEFAULT BRA KET
{
yywarn("This context is marked to be abstract. Your LUA context will lose this property!");
last_context = "default";
$$ = handleContext((char*)"default",(char*)"");
}
| error KET
;
macro: MACRO word LPAREN arglist RPAREN BRA macro_statements KET
{
$$ = handleMacroDef($2,$4,$7);
destroy_string($2);
destroy_string($4);
destroy_string($7);
}
| MACRO word LPAREN arglist RPAREN BRA KET
{
$$ = handleMacroDef($2,$4,(char*)"");
destroy_string($2);
destroy_string($4);
}
| MACRO word LPAREN RPAREN BRA macro_statements KET
{
$$ = handleMacroDef($2,(char*)"",$6);
destroy_string($2);
destroy_string($6);
}
| MACRO word LPAREN RPAREN BRA KET
{
$$ = handleMacroDef($2,(char*)"",(char*)"");
destroy_string($2);
}
;
globals: GLOBALS BRA global_statements KET
{
$$ = $3;
}
| GLOBALS BRA KET
{
}
;
global_statements: global_statement
{
$$ = $1;
}
| global_statements global_statement
{
stringstream ss;
ss << $1 << " " << $2;
$$ = alloc_string((char*) ss.str().data());
destroy_string($1);
destroy_string($2);
}
;
global_statement: word EQ implicit_expr_stat SEMICOLON
{
stringstream ss;
ss << $1 << "=" << $3 << endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| error SEMICOLON
;
arglist: word { $$ = $1; }
| arglist COMMA word
{
stringstream ss;
ss << ", " << $3;
$$=grow_string($1,(char*)ss.str().c_str());
destroy_string($3);
}
;
elements: element
{
$$ = alloc_string($1);
}
| elements element
{
$$=grow_string($1,$2);
}
;
element: extension
{
$$ = $1;
}
| includes
{
$$ = $1;
}
| switches
{
$$ = $1;
}
| eswitches
{
$$ = $1;
}
| ignorepat
{
$$ = $1;
}
| word EQ implicit_expr_stat SEMICOLON
{
stringstream ss;
ss << "channel." << $1 << "=" << $3 << endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| LOCAL word EQ implicit_expr_stat SEMICOLON
{
stringstream ss;
ss << "local " << $1 << "=" << $3 << endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| SEMICOLON
{
$$ = alloc_string((char*)"");
}
| error SEMICOLON
;
ignorepat: IGNOREPAT ARROW word SEMICOLON
{
stringstream ss;
ss << "[\"ignorepat\"] = " << $3;
$$ = alloc_string((char*)ss.str().data());
destroy_string($3);
}
;
extension: word ARROW statement
{
stringstream ss;
string w($1);
if(w == "s" || w == "t" || w == "i" || w == "h" || w == "a" || w == "i" || w == "o" || w == "T")
{
if(split(last_block,'\n').size() == 1 && last_block[last_block.size() - 2] == ')')
{
ss << $1 << " = " << last_block.substr(0,last_block.size() - 3) << ";" << endl;
}
else
{
ss << $1 << " = "<<$3;
}
}
else
{
ss <<"[\""<<$1<<"\"] = "<<$3;
}
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| REGEXTEN word ARROW statement
{
stringstream ss;
ss <<"[\""<<$2<<"\"] = "<<$4;
$$ = alloc_string((char*)ss.str().data());
destroy_string($2);
destroy_string($4);
}
| HINT LPAREN word3_list RPAREN word ARROW statement
{
stringstream ss;
vector<string> r = string_split($3);
for(int i = 0; i < r.size(); i++)
{
ss << "[\""<<$5<<"\"] = " << "\"" << r[i] << "\"" << endl;
}
ss << "[\"" << $5 << "\"] = " << $7;
$$ = (char*) "";
store_hint(alloc_string((char*)ss.str().data()));
destroy_string($3);
destroy_string($5);
destroy_string($7);
}
| REGEXTEN HINT LPAREN word3_list RPAREN word ARROW statement
{
stringstream ss;
vector<string> r = string_split($4);
for(int i = 0; i < r.size(); i++)
{
ss << "[\""<<$6<<"\"] = " << "\"" << r[i] << "\"" << endl;
}
ss << "[\"" << $6 << "\"] = " << $8;
$$ = (char*)"";
store_hint(alloc_string((char*)ss.str().data()));
destroy_string($4);
destroy_string($6);
destroy_string($8);
}
;
statements: statement
{
$$ = alloc_string($1);
}
| statements statement
{
$$ = grow_string($1,$2);
destroy_string($2);
}
;
if_head: IF LPAREN implicit_expr_stat RPAREN
{
stringstream ss;
ss << "if " << $3 << "then" << endl;
$$ = alloc_string((char*) ss.str().data());
destroy_string($3);
}
;
random_head: RANDOM LPAREN implicit_expr_stat RPAREN
{
stringstream ss;
ss << "r = math.random()" << endl;
ss << "if (r*100) <= " << $3 << " then " << endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($3);
}
;
ifTime_head: IFTIME LPAREN word3_list COLON word3_list COLON word3_list PIPE word3_list PIPE word3_list PIPE word3_list RPAREN
{
TimeStruct ts;
handleTimes($3, $5, $7, $9, $11, $13, &ts);
string s = time2iftime(&ts);
$$ = alloc_string((char*)s.data());
destroy_string($3);
destroy_string($5);
destroy_string($7);
destroy_string($9);
destroy_string($11);
destroy_string($13);
ts.destroyAll();
}
| IFTIME LPAREN word PIPE word3_list PIPE word3_list PIPE word3_list RPAREN
{
TimeStruct ts;
handleTimes($3, $5, $7, $9, &ts);
string s = time2iftime(&ts);
$$ = alloc_string((char*)s.data());
destroy_string($3);
destroy_string($5);
destroy_string($7);
destroy_string($9);
ts.destroyAll();
}
;
word3_list:
word
{
$$ = $1;
}
| word word
{
stringstream ss;
ss << $1 << " " << $2;
$$ = alloc_string((char*)ss.str().c_str());
destroy_string($1);
destroy_string($2);
}
| word word word
{
stringstream ss;
ss << $1 << " " << $2 << " " << $3;
$$ = alloc_string((char*)ss.str().c_str());
destroy_string($1);
destroy_string($2);
destroy_string($3);
}
;
words:
word3_list word
{
stringstream ss;
ss << $1 << " " << $2;
$$ = alloc_string((char*) ss.str().data());
destroy_string($1);
destroy_string($2);
}
| word binary_op word
{
stringstream ss;
ss << $1 << $2 << $3;
$$ = alloc_string((char*) ss.str().data());
destroy_string($1);
destroy_string($2);
destroy_string($3);
}
| words word
{
stringstream ss;
ss << $1 << " " << $2;
$$ = alloc_string((char*) ss.str().data());
destroy_string($1);
destroy_string($2);
}
| words binary_op word
{
stringstream ss;
ss << $1 << $2 << $3;
$$ = alloc_string((char*) ss.str().data());
destroy_string($1);
destroy_string($2);
destroy_string($3);
}
;
switch_head: SWITCH LPAREN implicit_expr_stat RPAREN BRA
{
stringstream ss;
ss<<"do"<<endl<<"local switch_var = "<<$3<<endl;
$$ = alloc_string((char*)ss.str().data());
switchStack.push(SwitchStatementState());
}
;
statement: BRA statements KET
{
stringstream ss;
ss << "function()"<<endl<<$2<<"end;" << endl;
if(!is_block)
last_block = string($2);
else
last_block2 = string($2);
is_block = true;
$$ = alloc_string((char*)ss.str().data());
}
| word EQ implicit_expr_stat SEMICOLON
{
stringstream ss;
ss <<"channel."<< $1 <<" = "<<$3<<endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| LOCAL word EQ implicit_expr_stat SEMICOLON
{
stringstream ss;
ss << "local " << $2 << " = "<<$4<<endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($2);
destroy_string($4);
}
| GOTO target SEMICOLON
{
if (($2[0]=='-')&&($2[1]=='-'))
{
$$ = grow_string($2,(char*)"\n");
}
else
{
stringstream ss;
ss << "return app.goto"<<$2<<endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($2);
}
}
| JUMP jumptarget SEMICOLON
{
stringstream ss;
ss << "return app.goto("<<$2<<")"<<endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($2);
}
| word COLON
{
stringstream ss;
ss << "::"<<$1<<"::"<<endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
}
| FOR LPAREN implicit_expr_stat SEMICOLON implicit_expr_stat SEMICOLON implicit_expr_stat RPAREN statement
{
stringstream ss;
string lb;
if(is_block)
{
lb = string(last_block);
is_block = false;
}
else
{
lb = string($9);
}
ss << "for " << $3 << ", " << $5 << ", " << $7 << " do " << endl << "::label" << label_idx << "::" << endl << lb << endl << "end;" << endl;
label_idx++;
$$ = alloc_string((char*)ss.str().data());
destroy_string($3);
destroy_string($5);
destroy_string($7);
destroy_string($9);
}
| WHILE LPAREN implicit_expr_stat RPAREN statement
{
stringstream ss;
string lb;
if(is_block)
{
lb = string(last_block);
is_block = false;
}
else
{
lb = string($5);
}
ss << "while " << $3 << "do" << endl << lb << endl << "::label" << label_idx << "::" << endl << "end;" << endl;
label_idx++;
$$ = alloc_string((char*)ss.str().data());
destroy_string($3);
destroy_string($5);
}
| switch_head KET
{
$$ = grow_string($1,(char*)"end;\n");
}
| switch_head case_statements KET
{
stringstream ss;
ss << $1 << $2 <<"end;"<<endl<<"end;"<<endl;
$$ = alloc_string((char*)ss.str().data());
//destroy_string($1);
switchStack.pop();
}
| AND macro_call SEMICOLON
{
$$ = grow_string($2,(char*)"\n");
}
| application_call SEMICOLON
{
$$ = grow_string($1,(char*)"\n");
}
| application_call EQ implicit_expr_stat SEMICOLON
{
stringstream ss;
string ac = string($1).substr(4,strlen($1)-4);
ss << "channel." << ac << ":set(" << $3 << ")" << endl;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| BREAK SEMICOLON
{
if (switchStack.empty()) //useless in break statement
{
$$ = alloc_string((char*)"break;\n");
} else
{
$$ = alloc_string((char*)"");
//cerr<< "Break Found . Switch-case statement are converted to if-elseif chains so break becames useless;";
}
}
| RETURN SEMICOLON
{
$$ = alloc_string((char*)"return\n");
}
| CONTINUE SEMICOLON
{
stringstream ss;
ss << "goto label" << label_idx << "\n";
$$ = alloc_string((char*) ss.str().data());
}
| random_head statement
{
string lb;
if(is_block)
{
lb = string(last_block);
is_block = false;
}
else
{
lb = string($2);
}
$$ = handleIf($1,(char*)lb.data());
destroy_string($1);
destroy_string($2);
}
| random_head statement ELSE statement
{
string lb;
string lb2;
if(is_block)
{
lb = string(last_block);
lb2 = string(last_block2);
is_block = false;
}
else
{
lb = string($2);
lb2 = string($4);
}
$$ = handleIfElse($1, (char*)lb.data(), (char*)lb2.data());
destroy_string($1);
destroy_string($2);
destroy_string($4);
}
| if_head statement
{
string lb;
if(is_block)
{
lb = string(last_block);
is_block = false;
}
else
{
lb = string($2);
}
$$ = handleIf($1,(char*)lb.data());
destroy_string($1);
destroy_string($2);
}
| if_head statement ELSE statement
{
string lb;
string lb2;
if(is_block)
{
lb = string(last_block);
lb2 = string(last_block2);
is_block = false;
}
else
{
lb = string($2);
lb2 = string($4);
}
$$ = handleIfElse($1, (char*)lb.data(), (char*)lb2.data());
destroy_string($1);
destroy_string($2);
destroy_string($4);
}
| ifTime_head statement
{
string lb;
if(is_block)
{
lb = string(last_block);
is_block = false;
}
else
{
lb = string($2);
}
$$ = handleIf($1,(char*)lb.data());
destroy_string($1);
destroy_string($2);
}
| ifTime_head statement ELSE statement
{
string lb;
string lb2;
if(is_block)
{
lb = string(last_block);
lb2 = string(last_block2);
is_block = false;
}
else
{
lb = string($2);
lb2 = string($4);
}
$$ = handleIfElse($1, (char*)lb.data(), (char*)lb2.data());
destroy_string($1);
destroy_string($2);
destroy_string($4);
}
| SEMICOLON
{
}
| error SEMICOLON
| error KET
;
target: word
{
//GOTO LOCAL LABEL => Supported
$$ = $1;
}
| word PIPE word
{
//GOTO LABEL IN DIFFERENT EXTENSION : Not Supported
string s($3);
stringstream ss;
if(isNumeric(s.data(),10))
{
ss << "(" << $1 << "," << $3 << ")";
}
else
{
yywarn("goto a label on a different extension is not supported");
ss << "-- (ael2lua warning) goto a label on a different extension is not supported (original AEL2 target : ";
ss << $1 << "|" << $3<<")";
}
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| word PIPE word PIPE word
{
stringstream ss;
// ss << "-- (ael2lua warning) goto a label on a different extension and/or context is not supported (original AEL2 target : ";
// ss << $1 << "|" << $3<<"|"<<$5<<")";
ss << "(" << $1 << "," << $3 << "," << $5 << ")";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
destroy_string($5);
}
| DEFAULT PIPE word PIPE word
{
//GOTO LABEL IN DIFFERENT CONTEXT AND EXTENSION : Not Supported
stringstream ss;
// ss << "-- (ael2lua warning) goto a label on a different extension and/or context is not supported (original AEL2 target : ";
// ss << "default" << "|" << $3<<"|"<<$5<<")";
ss << "(default," << $3 << "," << $5 << ")";
$$ = alloc_string((char*)ss.str().data());
destroy_string($3);
destroy_string($5);
}
| word COMMA word
{
//GOTO LABEL IN DIFFERENT EXTENSION : Not Supported
string s($3);
stringstream ss;
if(isNumeric(s.data(),10))
{
ss << "(" << $1 << "," << $3 << ")";
}
else
{
yywarn("goto a label on a different extension is not supported");
ss << "-- (ael2lua warning) goto a label on a different extension is not supported (original AEL2 target : ";
ss << $1 << "|" << $3<<")";
}
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| word COMMA word COMMA word
{
//GOTO LABEL IN DIFFERENT CONTEXT AND EXTENSION : Not Supported
stringstream ss;
// ss << "-- (ael2lua warning) goto a label on a different extension and/or context is not supported (original AEL2 target : ";
// ss << $1 << "," << $3<<","<<$5<<")";
ss << "(" << $1 << "," << $3 << "," << $5 << ")";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
destroy_string($5);
}
| DEFAULT COMMA word COMMA word
{
//GOTO LABEL IN DIFFERENT CONTEXT AND EXTENSION : Not Supported
stringstream ss;
// ss << "-- (ael2lua warning) goto a label on a different extension and/or context is not supported (original AEL2 target : ";
// ss << "default" << "," << $3<<","<<$5<<")";
ss << "(default," << $3 << "," << $5 << ")";
$$ = alloc_string((char*)ss.str().data());
destroy_string($3);
destroy_string($5);
}
;
jumptarget: word
{
//JUMP TO EXTENSION (SAME EXTENSION)
stringstream ss;
ss <<"\""<<$1<<"\",1";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
}
| word COMMA word
{
//JUMP TO LABEL (DIFFERENT EXTENSION)
stringstream ss;
ss << "\""<<$1<<"\","<<$3;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| word COMMA word AT word
{
//JUMP TO LABEL (DIFFERENT EXTENSION AND CONTEXT);
stringstream ss;
ss << "\""<<$1<<"\",\""<<$3<<"\","<<$5;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
destroy_string($5);
}
| word AT word
{
//JUMP TO EXTENSION : supported
stringstream ss;
ss << "\""<<$3<<"\",\""<<$1<<"\",1";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($2);
}
/* | word COMMA word AT DEFAULT
{
//JUMP TO LABEL (DIFFERENT EXTENSION AND CONTEXT);
stringstream ss;
ss << "\"default\",\""<<$3<<"\","<<$5;
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}*/
/* | word AT DEFAULT
{
//JUMP TO EXTENSION : supported
stringstream ss;
ss << "\"default\",\""<<$1<<"\",1";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
}*/
;
macro_call: word LPAREN eval_arglist RPAREN
{
stringstream ss;
ss << $1 << "(" << $3 << ")";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($3);
}
| word LPAREN RPAREN
{
$$ = grow_string($1,(char*)"()");
}
;
application_call_head: word LPAREN
{
stringstream ss;
if(!isupper($1[1]))
$1[0] = tolower($1[0]);
ss << "app." << $1 << "(";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
};
application_call: application_call_head eval_arglist RPAREN
{
stringstream ss;
ss << $1 << $2 <<")";
$$ = alloc_string((char*)ss.str().data());
destroy_string($1);
destroy_string($2);
}
| application_call_head RPAREN
{
$$ = grow_string($1,(char*)")");
}
| error RPAREN
;
eval_arglist: implicit_expr_stat
{
$$ = $1;
}
| eval_arglist COMMA implicit_expr_stat
{
stringstream ss;
ss << "," << $3;
$$ = grow_string($1,(char*)ss.str().data());
destroy_string($1);
}
| /* nothing */