CS315f22_team23.lex

%{
#include <stdio.h>
%}


LETTER [a-zA-Z]
INT {DIGIT}+
UNDERSCORE \_
PLUS \+
MINUS \-
LEFT_BRACKET \{
RIGHT_BRACKET \}
LEFT_PARANTHESE \(
RIGHT_PARANTHESE \)
LEFT_SQUARE_BRACKET \[
RIGHT_SQUARE_BRACKET \]
SEMICOLON \;
DOL \$
DOT \.
COMMA \,
HASHTAG \#
AND \&\&
OR \|
ASSIGN \=
ENDLINE \n
STRING_IDENT \"
CHAR_IDENT \'
LESS_THAN \<
GREATER_THAN \>
LESS_THAN_EQ \<=
GREATER_THAN_EQ \>=
EQUAL \=\=
MULTIPLY \*
DIVIDE \/
IF if
WHILE while
FOR for
RETURN return
TRUE true
FALSE false
CHAR {CHAR_IDENT}[.*]{CHAR_IDENT}
BEGIN begin
END end
ELSE else
IDENT {LETTER}({LETTER}|{DIGIT}|{UNDERSCORE})*
FLOAT {DIGIT}*{DOT}?{DIGIT}+
STRING {STRING_IDENT}.*{STRING_IDENT} 
COMMENT {HASHTAG}.*{HASHTAG}
INT_ID int
FLOAT_ID float
STRING_ID string
BOOL_ID bool
CHAR_ID char
QM \?
COLON \:	
CHECK_CONNECTION  CHECK_CONNECTION 
CONNECT_TO_URL CONNECT_TO_URL
READ_TEMP_DATA READ_TEMP_DATA
READ_HUMIDITY_DATA READ_HUMIDITY_DATA 
READ_PRESSURE_DATA READ_PRESSURE_DATA 
READ_QUALITY_DATA  READ_QUALITY_DATA 
READ_LIGHT_DATA READ_LIGHT_DATA
READ_SOUND_DATA READ_SOUND_DATA  
READ_TIMER_DATA READ_TIMER_DATA
SEND_DATA_TO_CONNECTION SEND_DATA_TO_CONNECTION
RECEIVE_DATA_FROM_CONNECTION RECEIVE_DATA_FROM_CONNECTION
SWITCH_OFF SWITCH_OFF  
SWITCH_ON SWITCH_ON
IN IN
OUT OUT 
DIGIT [0-9] 


%%
{BEGIN} return(BEG);
{END} return(END);
{RETURN} return(RETURN);
{IF} return(IF);
{ELSE} return(ELSE);
{WHILE} return(WHILE);
{FOR} return(FOR);
{DIGIT} return (DIGIT);
{CHECK_CONNECTION} return(CHECK_CONNECTION);
{CONNECT_TO_URL} return(CONNECT_TO_URL);
{READ_TEMP_DATA} return(READ_TEMP_DATA);
{READ_HUMIDITY_DATA} return(READ_HUMIDITY_DATA);
{READ_PRESSURE_DATA} return(READ_PRESSURE_DATA);
{READ_QUALITY_DATA} return(READ_QUALITY_DATA);
{READ_LIGHT_DATA} return(READ_LIGHT_DATA);
{READ_SOUND_DATA} return(READ_SOUND_DATA);
{READ_TIMER_DATA} return(READ_TIMER_DATA);
{SEND_DATA_TO_CONNECTION} return(SEND_DATA_TO_CONNECTION);
{RECEIVE_DATA_FROM_CONNECTION} return(RECEIVE_DATA_FROM_CONNECTION);
{SWITCH_OFF} return(SWITCH_OFF);
{SWITCH_ON} return(SWITCH_ON);
{IN} return(IN);
{OUT} return(OUT);
{INT_ID} return(INT_ID);
{FLOAT_ID} return(FLOAT_ID);
{STRING_ID} return(STRING_ID);
{CHAR_ID} return(CHAR_ID);
{BOOL_ID} return(BOOL_ID);
{STRING} return(STRING);
{COMMENT} return(COMMENT);
{TRUE} return(TRUE);
{FALSE} return(FALSE);
{INT}  return(INT);
{FLOAT} return(FLOAT);
{CHAR} return(CHAR);
{IDENT} return(IDENT);
{ASSIGN} return(ASSIGN);
{PLUS} return(PLUS);
{MINUS} return(MINUS);
{EQUAL} return(EQ);
{MULTIPLY} return(MUL);
{DIVIDE} return(DIV);
{SEMICOLON} return(SC);
{LEFT_BRACKET} return(LB);
{RIGHT_BRACKET} return(RB);
{LEFT_PARANTHESE} return(LP);
{RIGHT_PARANTHESE} return(RP);
{LEFT_SQUARE_BRACKET} return(LSB);
{RIGHT_SQUARE_BRACKET} return(RSB);
{DOT} return(DOT);
{COMMA} return(COMMA);
{HASHTAG} return(HASHTAG);
{ENDLINE} {extern int lineno; lineno++; };


{AND} return(AND);
{OR} return(OR);
{DOL} return(DOL);
{QM} return(QM);
{COLON} return(COLON);
{STRING_IDENT} return(STR_IDENT);
{LESS_THAN} return(LT);
{GREATER_THAN} return(GT);
{LESS_THAN_EQ} return(LTE);
{GREATER_THAN_EQ} return(GTE);
[ \t] ;
. ;
%%

int yywrap(){
	return 1;
}