From 9d981a2597dca067572ee16d1a3f6e99f9c6ddd6 Mon Sep 17 00:00:00 2001
From: c+1
Date: Wed, 3 May 2023 10:23:35 -0400
Subject: in which i learn how c structs work

---
 examples/hello.halk |   3 ++-
 src/.DS_Store       | Bin 0 -> 6148 bytes
 src/include/lexer.h |  20 ++++++++++++++++++++
 src/include/main.h  |   0
 src/lexer.c         |  52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 src/.DS_Store
 create mode 100644 src/include/main.h
 create mode 100644 src/lexer.c

diff --git a/examples/hello.halk b/examples/hello.halk
index f36db0a..da10494 100644
--- a/examples/hello.halk
+++ b/examples/hello.halk
@@ -1,4 +1,5 @@
-USE.io;
+USE."io";
 
 message="Hello, World!";
+
 io~o.message;
diff --git a/src/.DS_Store b/src/.DS_Store
new file mode 100644
index 0000000..3246446
Binary files /dev/null and b/src/.DS_Store differ
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
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) {
+
+}
-- 
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