fixed parsing negative numbers, added float functions

1 files changed, 6 insertions, 1 deletions

diff --git a/src/parse.c b/src/parse.c
index 79c1dc4..fcaab5d 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -23,6 +23,11 @@ sym_t* init_sym_int(int value) {
 	*vp = value;
 	return init_sym(LITERAL, INT, vp);
 }
+sym_t* init_sym_float(float value) {
+	int* vp = malloc(sizeof(float));
+	*vp = value;
+	return init_sym(LITERAL, FLOAT, vp);
+}
 sym_t* init_sym_str(char* value) {
 	char* vp = malloc((strlen(value) + 1) * sizeof(char));
 	strcpy(vp, value);
@@ -77,7 +82,7 @@ symset_t* parse_symbols(char** str) {
 	symbolSet->count = 0;
 	while (1) {
 		/* clear whitespace */
-		while (!isalnum(**str) && **str != '(' && **str != ')' && **str != '\0') {
+		while (!isalnum(**str) && **str != '-' && **str != '(' && **str != ')' && **str != '\0') {
 			(*str)++;
 		}
 		if (**str == ')') {