1 files changed, 40 insertions, 0 deletions
diff --git a/src/lexer.h b/src/lexer.h
new file mode 100644
index 0000000..e5d64dc
--- /dev/null
+++ b/src/lexer.h
@@ -0,0 +1,40 @@
+#ifndef LEXER
+#define LEXER
+typedef enum TokenType {
+	ERR,
+	EOL,
+	INDENT,
+	STRING,
+	INT,
+	OPEN_PAREN,
+	CLOSE_PAREN,
+	START_COMMENT,
+	JUSTIFICATION,
+	PREMISE,
+	ASSUMPTION,
+	NEGATION,
+	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 TokenSet {
+	token_t* tokens;
+	int count;
+} tokenSet_t;
+tokenSet_t init_tokenset(token_t* tokens, int count);
+char* tttos(tokenType_t tokenType);
+int advance_whitespace(char** linePointer);
+tokenSet_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