1 files changed, 39 insertions, 0 deletions
diff --git a/lexer.h b/lexer.h
new file mode 100644
index 0000000..f8dc046
--- /dev/null
+++ b/lexer.h
@@ -0,0 +1,39 @@
+#ifndef LEXER
+#define LEXER
+typedef enum TokenType {
+	ERR,
+	EOL,
+	STRING,
+	INT,
+	OPEN_PAREN,
+	CLOSE_PAREN,
+	START_COMMENT,
+	JUSTIFICATION,
+	PREMISE,
+	ASSUMPTION,
+	CONJUNCTION,
+	DISJUNCTION,
+	IMPLICATION,
+	BI_IMPLICATION,
+	EXPLOSION,
+	ELIMINATION,
+	INTRODUCTION,
+} tokenType_t;
+
+typedef struct Token {
+	tokenType_t type;
+	void* value;
+} token_t;
+token_t init_token(tokenType_t type, void* value);
+typedef struct LinkedList {
+	void* value;
+	struct LinkedList* next;
+} linkList_t;
+
+linkList_t* init_linklist(void* value, linkList_t* next);
+int advance_whitespace(char** linePointer);
+linkList_t* lex_line(char* line);
+token_t lex_first_token(char** content);
+token_t lex_first_string(char** content);
+token_t lex_first_int(char** content);
+#endif