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Scarlett
2025-02-11 14:21:22 -05:00
parent 232ad5c9ae
commit 9091b65a30
4 changed files with 98 additions and 48 deletions
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55
lexicalStructure.lex
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@ -7,35 +7,42 @@
%}
DIGIT [0-9]
CHAR \\\\n|\\\\t|\\\'|[^'\\\n\t]
STRINGVAL CHAR | " "
CHAR \\n|\\t|\\'|[^'\n\t\\]
SCHAR \\n|\\t|\\\"|[^\"\n\\]
COM ([^*]|\*+[^)*])*
/* INCOMPLETE */
ID [A-Za-z_][0-9A-Za-z_]*
%%
{DIGIT}+ {printf( "C_INTEGER: %s (%d)\n", yytext, atoi( yytext ) );}
"null" {printf( "C_NULL: %s (%d)\n", yytext, atoi( yytext ) );}
'{CHAR}' {printf( "C_CHARACTER: %s (%d)\n", yytext, atoi( yytext ) );} /*using double \ per documentation to show escaped chars*/
"true" {printf( "C_TRUE: %s (%d)\n", yytext, atoi( yytext ) );}
"false" {printf( "C_FALSE: %s (%d)\n", yytext, atoi( yytext ) );}
"{STRINGVAL}+" {printf( "C_STRING: %s (%d)\n", yytext, atoi( yytext ) );}
"(*"{COM}"*)" {printf("COMMENT: %s, Token: %d\n", yytext, COMMENT );} // {return COMMENT}
"integer" {printf("T_INTEGER %s, Token: %d\n", yytext, T_INTEGER);} // {return T_INTEGER}
"address" {printf("T_ADDRESS %s, Token: %d\n", yytext, T_ADDRESS);} // {return T_ADDRESS}
"Boolean" {printf("T_BOOLEAN %s, Token: %d\n", yytext, T_BOOLEAN);} // {return T_BOOLEAN}
"character" {printf("T_CHARACTER %s, Token: %d\n", yytext, T_CHARACTER);} // {return T_CHARACTER}
"string" {printf("T_STRING %s, Token: %d\n", yytext, T_STRING);} // {return T_STRING}
"while" {printf("WHILE %s, Token: %d\n", yytext, WHILE);} // {return WHILE}
"if" {printf("IF %s, Token: %d\n", yytext, IF);} // {return IF}
"then" {printf("THEN %s, Token: %d\n", yytext, THEN);} // {return THEN}
"else" {printf("ELSE %s, Token: %d\n", yytext, ELSE);} // {return ELSE}
"type" {printf("TYPE %s, Token: %d\n", yytext, TYPE);} // {return TYPE}
"function" {printf("FUNCTION %s, Token: %d\n", yytext, FUNCTION);} // {return FUNCTION}
"return" {printf("RETURN %s, Token: %d\n", yytext, RETURN);} // {return RETURN}
"external" {printf("EXTERNAL %s, Token: %d\n", yytext, EXTERNAL);} // {return EXTERNAL}
"as" {printf("AS %s, Token: %d\n", yytext, AS);} // {return AS}
{ID} {printf("ID: %s, Token: %d\n", yytext, ID );} // INCOMPLETE
{DIGIT}+ {printf("C_INTEGER: %s, Token: %d\n", yytext, atoi( yytext ) );}
"null" {printf("C_NULL: %s, Token: %d\n", yytext, atoi( yytext ) );}
'{CHAR}' {printf("C_CHARACTER: %s, Token: %d\n", yytext, atoi( yytext ) );}
"true" {printf("C_TRUE: %s, Token: %d\n", yytext, atoi( yytext ) );}
"false" {printf("C_FALSE: %s, Token: %d\n", yytext, atoi( yytext ) );}
\"{SCHAR}*\" {printf("C_STRING: %s, Token: %d\n", yytext, atoi( yytext ) );}
.|\n
"integer" {printf("T_INTEGER %s, Token %d\n",yytext, T_INTEGER);} // {return T_INTEGER}
"address" {printf("T_ADDRESS %s, Token %d\n",yytext, T_ADDRESS);} // {return T_ADDRESS}
"Boolean" {printf("T_BOOLEAN %s, Token %d\n",yytext, T_BOOLEAN);} // {return T_BOOLEAN}
"character" {printf("T_CHARACTER %s, Token %d\n",yytext, T_CHARACTER);} // {return T_CHARACTER}
"string" {printf("T_STRING %s, Token %d\n",yytext, T_STRING);} // {return T_STRING}
/* KEYWARDS */
"while" {printf("WHILE %s, Token %d\n",yytext, WHILE);} // {return WHILE}
"if" {printf("IF %s, Token %d\n",yytext, IF);} // {return IF}
"then" {printf("THEN %s, Token %d\n",yytext, THEN);} // {return THEN}
"else" {printf("ELSE %s, Token %d\n",yytext, ELSE);} // {return ELSE}
"type" {printf("TYPE %s, Token %d\n",yytext, TYPE);} // {return TYPE}
"function" {printf("FUNCTION %s, Token %d\n",yytext, FUNCTION);} // {return FUNCTION}
"return" {printf("RETURN %s, Token %d\n",yytext, RETURN);} // {return RETURN}
"external" {printf("EXTERNAL %s, Token %d\n",yytext, EXTERNAL);} // {return EXTERNAL}
"as" {printf("AS %s, Token %d\n",yytext, AS);} // {return AS}
%%