Added comments, began work on ID

This commit is contained in:
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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@ -7,10 +7,16 @@ lexicalStructure:
$(FLEX) $(LEX)
$(CC) lex.yy.c -o $(EXE)
test:
test1:
./$(EXE) ./tests/test_constants_literals.txt
test2:
./$(EXE) ./tests/test_keywards.alpha
test3:
./$(EXE) ./tests/test_types.alpha
test4:
./$(EXE) ./tests/test_variables.txt
clean:

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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}
%%

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@ -1,23 +1,50 @@
This is a test
9combined 7okens
12345
893247892
combined'DueToUnknownChar _validtoken __validtoken1 _valid_token2 validToken3_
true false
null while !wrong if when
else type function
return external as
string _NOte_that_was_not_reserved
([)]{}:;,->"\
+-*/%
<=
:=
"This is not a valid
String"
"This is a valid String"
!|
..
(* this is a comment *)
(*Not a comment
$^&
>
'''
'\'
false
'''
nullfalse
"nulltrue
null
'7'
true
'189
'\t'
'"'
'/'
'\n'
'\''
'\t'
'\\'
'n'
'\'
'fdsf'
'
'
' '
'''
"STRINGwithnotSPaces"
' '
'\ '
"J"
""
" "
\"\"
"this is a string" 721398 'g' '/n'
12893 "this is not a string
"{SCHAR}"
"SCHAR"
"[SCHAR]"
"I'd think this is a legal \"string\" that contains \n \t several escaped characters, isn't it?"
"I'd think this is a legal \"string\" that contains several \\n \\t escaped characters, isn't it?"
(* hello *)
(* hello *)
(* I'd think this is a legal "string" that contains several \n \t
escaped characters, isn't it? *)
(* \ *)
(* *)
(*{COMMENT}+ *)
(* * *)
(* (hello) *)

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@ -0,0 +1,10 @@
valid1
Valid2
_valid3
_valid_name_4
VALID
0Invalid
1invalid
"invalid
invalid=
String