sinusfox/University-Basics-of-Programming-Languages
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SinusFox
2023-05-30 10:13:47 +02:00
parent 73510cb48f
commit a9baf4f223
3 changed files with 70 additions and 23 deletions
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Exercise 3/TestLexer.c
+8 -6
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@@ -6,9 +6,11 @@ int main() {
// variables
char* sourcecode = "index = 2 * count + 42;"; // input string
int lexer_state = _START_; // int var for the state machine
char* current_pos = sourcecode;
char** ptr_current = &current_pos;
// checking var values
printf(sourcecode); // printing the input string to check it
printf("%c\n", sourcecode); // printing the input string to check it
// main loop
do {
@@ -17,19 +19,19 @@ int main() {
lexer_state = start(sourcecode);
break;
case _GET_NEXT_CHARACTER_:
lexer_state = getNextCharacter(sourcecode);
lexer_state = getNextCharacter(ptr_current);
break;
case _READ_IDENTIFIER_:
lexer_state = readIdentifier(sourcecode);
lexer_state = readIdentifier(ptr_current);
break;
case _READ_NUM_LIT_:
lexer_state = readNumLit(sourcecode);
lexer_state = readNumLit(ptr_current);
break;
case _READ_OPERATOR_:
lexer_state = readOperator(sourcecode);
lexer_state = readOperator(ptr_current);
break;
case _READ_PUNCTUATION_:
lexer_state = readPunctuation(sourcecode);
lexer_state = readPunctuation(ptr_current);
break;
default: lexer_state = _ERROR_;
}