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Arithmetic evaluation/C: Difference between revisions
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}
/* Will consume a character from the input,
* (such as +, -, *, etc.) and return it.
*/
char consume_char(const char* string, char c) {
if(string[G_STRING_ITERATOR] != c) {
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}
/* Same as consume_char, except for integers.
*/
int consume_int(const char* string) {
int i;
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}
/* I don't have to pass in the start of the string
* into atoi, but only where I want it to start
* scanning for an integer.
*/
i = atoi(string + G_STRING_ITERATOR);
while(isdigit(string[G_STRING_ITERATOR])) {
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}
/* Runs through the AST, evaluating and freeing
* the tree as it goes.
*/
int evaluate(Expr* expr) {
int ret;
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