%{

#include "LuaSL_LSL_tree.h"

//extern char *yytext;
//#define YYDEBUG_LEXER_TEXT yytext

%}

%define api.pure


%token <value.spaceValue> LSL_SPACE  /* Never actually emitted, but we need it in the token table. */
%token <value.commentValue> LSL_COMMENT  /* Never actually emitted, but we need it in the token table. */
%token <value.commentValue> LSL_COMMENT_LINE  /* Never actually emitted, but we need it in the token table. */
%token <value.unknownValue> LSL_UNKNOWN  /* Never actually emitted, but we need it in the token table. */

%token <value.variableValue> LSL_IDENTIFIER

%type  <value.expressionValue> expr
%left  LSL_BOOL_AND
%left  LSL_BOOL_OR
%left  LSL_BIT_AND LSL_BIT_XOR LSL_BIT_OR
%left  LSL_EQUAL LSL_NOT_EQUAL
%left  LSL_LESS_THAN LSL_GREATER_THAN LSL_LESS_EQUAL LSL_GREATER_EQUAL
%left  LSL_LEFT_SHIFT LSL_RIGHT_SHIFT
%left  LSL_SUBTRACT LSL_ADD
%left  LSL_DIVIDE LSL_MODULO LSL_MULTIPLY
%right LSL_BIT_NOT LSL_BOOL_NOT LSL_NEGATION
%left  LSL_ANGLE_OPEN LSL_ANGLE_CLOSE
%token LSL_BRACKET_OPEN LSL_BRACKET_CLOSE
%token LSL_PARENTHESIS_OPEN LSL_PARENTHESIS_CLOSE LSL_EXPRESSION
%right LSL_ASSIGNMENT_ADD LSL_ASSIGNMENT_SUBTRACT LSL_ASSIGNMENT_MULTIPLY LSL_ASSIGNMENT_MODULO LSL_ASSIGNMENT_DIVIDE LSL_ASSIGNMENT_PLAIN
%right LSL_DOT
%right LSL_DECREMENT_PRE LSL_INCREMENT_PRE
%token LSL_COMMA

%token <value.floatValue> LSL_FLOAT
%token <value.integerValue> LSL_INTEGER

%nonassoc LSL_TYPE_FLOAT LSL_TYPE_INTEGER LSL_TYPE_KEY LSL_TYPE_LIST LSL_TYPE_ROTATION LSL_TYPE_STRING LSL_TYPE_VECTOR

%nonassoc LSL_DO LSL_FOR LSL_ELSE LSL_IF LSL_JUMP LSL_RETURN LSL_STATE_CHANGE LSL_WHILE

%nonassoc LSL_LABEL

%nonassoc LSL_BLOCK_OPEN LSL_BLOCK_CLOSE

%type <value.statementValue> statement
%nonassoc LSL_STATEMENT

%type <value.scriptValue> script

%%

input :
    expr { ((LuaSL_yyparseParam*)data)->ast = addOperation(&yylval, LSL_EXPRESSION, $1, $1); }
    | statement { ((LuaSL_yyparseParam*)data)->ast = addStatement($1, ((LuaSL_yyparseParam*)data)->ast); }
    | script
;

expr :
    expr LSL_BOOL_AND expr {		$$ = addOperation(&yylval, LSL_BOOL_AND, $1, $3); }
    | expr LSL_BOOL_OR expr {		$$ = addOperation(&yylval, LSL_BOOL_OR, $1, $3); }
    | expr LSL_BIT_OR expr {		$$ = addOperation(&yylval, LSL_BIT_OR, $1, $3); }
    | expr LSL_BIT_XOR expr {		$$ = addOperation(&yylval, LSL_BIT_XOR, $1, $3); }
    | expr LSL_BIT_AND expr {		$$ = addOperation(&yylval, LSL_BIT_AND, $1, $3); }
    | expr LSL_NOT_EQUAL expr {		$$ = addOperation(&yylval, LSL_NOT_EQUAL, $1, $3); }
    | expr LSL_EQUAL expr {		$$ = addOperation(&yylval, LSL_EQUAL, $1, $3); }
    | expr LSL_GREATER_EQUAL expr {	$$ = addOperation(&yylval, LSL_GREATER_EQUAL, $1, $3); }
    | expr LSL_LESS_EQUAL expr {	$$ = addOperation(&yylval, LSL_LESS_EQUAL, $1, $3); }
    | expr LSL_GREATER_THAN expr {	$$ = addOperation(&yylval, LSL_GREATER_THAN, $1, $3); }
    | expr LSL_LESS_THAN expr {		$$ = addOperation(&yylval, LSL_LESS_THAN, $1, $3); }
    | expr LSL_RIGHT_SHIFT expr {	$$ = addOperation(&yylval, LSL_RIGHT_SHIFT, $1, $3); }
    | expr LSL_LEFT_SHIFT expr {	$$ = addOperation(&yylval, LSL_LEFT_SHIFT, $1, $3); }
    | expr LSL_ADD expr {		$$ = addOperation(&yylval, LSL_ADD, $1, $3); }
    | expr LSL_SUBTRACT expr {		$$ = addOperation(&yylval, LSL_SUBTRACT, $1, $3); }
    | expr LSL_MULTIPLY expr {		$$ = addOperation(&yylval, LSL_MULTIPLY, $1, $3); }
    | expr LSL_MODULO expr {		$$ = addOperation(&yylval, LSL_MODULO, $1, $3); }
    | expr LSL_DIVIDE expr {		$$ = addOperation(&yylval, LSL_DIVIDE, $1, $3); }
    | LSL_BIT_NOT expr {		$$ = addOperation(&yylval, LSL_BIT_NOT, NULL, $2); }
    | LSL_BOOL_NOT expr {		$$ = addOperation(&yylval, LSL_BOOL_NOT, NULL, $2); }
    | LSL_SUBTRACT expr {		$$ = addOperation(&yylval, LSL_NEGATION, NULL, $2); }  %prec LSL_NEGATION
    | LSL_PARENTHESIS_OPEN expr LSL_PARENTHESIS_CLOSE { $$ = addParenthesis(&yylval, $2); }
    | LSL_INTEGER { $$ = addInteger(&yylval, $1); }
;

statement : expr LSL_STATEMENT { $$ = createStatement(LSL_EXPRESSION, $1); YYVALID; }
;

script : script LSL_STATEMENT statement

%%