in which i learn how c structs work

4 files changed, 72 insertions, 0 deletions

diff --git a/src/.DS_Store b/src/.DS_Store
new file mode 100644
index 0000000..3246446
--- /dev/null
+++ b/src/.DS_Store
diff --git a/src/include/lexer.h b/src/include/lexer.h
index e69de29..a20bf8c 100644
--- a/src/include/lexer.h
+++ b/src/include/lexer.h
@@ -0,0 +1,20 @@
+#ifndef LEXER_H
+#define LEXER_H
+#include "token.h"
+
+typedef struct LEXER_STRUC {
+   char c;           // current character in content
+   unsigned int i;   // index of c
+   char* content;    // the code itself
+} lexer_T;
+
+lexer_T* lexer_init(char* content);
+void lexer_next(lexer_T* lexer);
+void lexer_pass(lexer_T* lexer);
+token_T* lexer_get_next_token(lexer_T* lexer);
+token_T* lexer_get_string(lexer_T* lexer);
+token_T* lexer_get_id(lexer_T* lexer);
+token_T* lexer_next_token(lexer_T* lexer, token_T* token);
+char* lexer_get_c_as_string(lexer_T* lexer);
+
+#endif
diff --git a/src/include/main.h b/src/include/main.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/include/main.h
diff --git a/src/lexer.c b/src/lexer.c
new file mode 100644
index 0000000..692a9c9
--- /dev/null
+++ b/src/lexer.c
@@ -0,0 +1,52 @@
+#include "include/lexer.h"
+#include <stdlib.h>
+#include <string.h>
+
+lexer_T* lexer_init(char* content) {
+   lexer_T* lexer = calloc(1, sizeof(struct LEXER_STRUC));
+
+   lexer->content = content;
+   lexer->i = 0;
+   lexer->c = content[lexer->i];
+
+   return lexer;
+}
+
+void lexer_next(lexer_T* lexer) {
+   // if not at end of line or file
+   if (lexer->c != '\0' && lexer->i < strlen(lexer->content)) {
+      lexer->i += 1;                                  // advance index 1 character
+      lexer->c = lexer->content[lexer->i];            // set character w/ index
+   }
+}
+
+void lexer_pass(lexer_T* lexer) {
+   while (lexer->c == ' ' ||
+         lexer->c == '\t' ||
+         lexer->c == '\n') {
+      lexer_next(lexer);
+   }
+}
+
+token_T* lexer_get_next_token(lexer_T* lexer) {
+   while (lexer->c != '\0' && lexer->i < strlen(lexer->content)) {
+      if (lexer->c == ' ' ||
+            lexer->c == '\t' ||
+            lexer->c == '\n') {
+
+      }
+   }
+}
+
+token_T* lexer_get_string(lexer_T* lexer) {
+
+}
+token_T* lexer_get_id(lexer_T* lexer) {
+
+}
+token_T* lexer_next_token(lexer_T* lexer, token_T* token) {
+
+}
+char* lexer_get_c_as_string(lexer_T* lexer) {
+
+}