added some comments, added a license and a readme

1 files changed, 3 insertions, 0 deletions

diff --git a/parse.c b/parse.c
index d7ec467..d26cfe8 100644
--- a/parse.c
+++ b/parse.c
@@ -50,6 +50,7 @@ line_t parse_line(char* content) {
 }
 prop_t parse_proposition(tokenSet_t tokenSet, int* seek) {
 	prop_t prop;
+	/* recurse to parse the parenthetical as its own proposition */
 	if (tokenSet.tokens[*seek].type == OPEN_PAREN) {
 		(*seek)++;
 		prop = parse_proposition(tokenSet, seek);
@@ -63,6 +64,7 @@ prop_t parse_proposition(tokenSet_t tokenSet, int* seek) {
 		return prop;
 	}
 	else {
+		/* the proposition we just read had a relation, so find the related proposition */
 		tokenType_t rel = tokenSet.tokens[*seek].type;
 		(*seek)++;
 		prop_t* prop1p = malloc(sizeof(prop_t));
@@ -80,6 +82,7 @@ just_t parse_justification(tokenSet_t tokenSet) {
 	}
 	justRule_t just;
 	int* references = malloc(sizeof(int) * (tokenSet.count - 2));
+	/* check the relation, then use a ternary operator for elim/intro */
 	switch (tokenSet.tokens[0].type) {
 		case CONJUNCTION:
 			just = tokenSet.tokens[1].type == ELIMINATION ? CONJUNCT_ELIM : CONJUNCT_INTRO;