initial housekeeping done

8 files changed, 199 insertions, 0 deletions

diff --git a/lexer.c b/lexer.c
new file mode 100644
index 0000000..4ade447
--- /dev/null
+++ b/lexer.c
@@ -0,0 +1,25 @@
+#ifndef LEXER_C
+#define LEXER_C
+#include <lexer.h>
+
+/*
+ *	placeholder very slow lexer that I will probabbly not replace 
+ */
+void lex(struct Queue *token_destination,struct Source *src,struct Translation_Data *translation_data)
+{
+}
+struct token* get_token(char *data,size_t size)
+{
+	struct token *ret;
+	ret=malloc(sizeof(struct token));
+	ret->data=data;
+	ret->size=size;
+
+	return ret;
+}
+void delete_token(struct token *token)
+{
+	free(token);
+}
+
+#endif
diff --git a/lexer.h b/lexer.h
new file mode 100644
index 0000000..27b69d5
--- /dev/null
+++ b/lexer.h
@@ -0,0 +1,26 @@
+#ifndef LEXER_H
+#define LEXER_H
+#include <program.h>
+#include <queue.h>
+
+enum Keyword
+{
+	KW_MACHINE,
+	KW_STATE,
+	KW_FROM,
+	KW_TO,
+	KW_ON,
+	KW_ID,
+};
+struct token
+{
+	size_t size;
+	enum Keyword type;
+	char *data;
+};
+void lex(struct Queue *token_destination,struct Source *src,struct Translation_Data *translation_data);
+struct token* get_token(char *data,size_t size);
+void delete_token(struct token *token);
+
+
+#endif
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..79018d6
--- /dev/null
+++ b/main.c
@@ -0,0 +1,9 @@
+#include<stdio.h>
+#include<lexer.h>
+
+
+
+int main()
+{
+	return 0;
+}
diff --git a/makefile b/makefile
new file mode 100644
index 0000000..23fd10a
--- /dev/null
+++ b/makefile
@@ -0,0 +1,9 @@
+INCLUDE_DIRS=-I .
+main.exe : main.c lexer.o queue.o
+	gcc main.c lexer.o queue.o -o main.exe ${INCLUDE_DIRS}
+lexer.o : lexer.c lexer.h
+	gcc -c lexer.c -o lexer.o ${INCLUDE_DIRS}
+queue.o : queue.c queue.h
+	gcc -c queue.c -o queue.o ${INCLUDE_DIRS}
+clear: 
+	rm -rf lexer.o main.exe queue.o
diff --git a/program.c b/program.c
new file mode 100644
index 0000000..6fe3a2f
--- /dev/null
+++ b/program.c
@@ -0,0 +1,5 @@
+#ifndef PROGRAM_C
+#define PROGRAM_C
+
+
+#endif
diff --git a/program.h b/program.h
new file mode 100644
index 0000000..dfb5098
--- /dev/null
+++ b/program.h
@@ -0,0 +1,35 @@
+#ifndef PROGRAM_H
+#define PROGRAM_H
+#include "queue.h"
+
+struct Source
+{
+	char *src_name;
+	char *src;
+	size_t src_size;
+
+};
+
+struct Options
+{
+	int print_tokens:1;
+};
+	
+struct Translation_Data
+{
+	struct Queue *errors;
+	struct Queue *tokens;
+};
+
+struct Source* extract_source(char *src_name);
+struct Translation_Data* get_translation_data();
+struct Source* get_source();
+struct Options* get_options();
+
+
+void destroy_translation_data(struct Translation_Data *data);
+void destroy_source(struct Source *src);
+void destroy_options(struct Options *options);
+
+
+#endif
diff --git a/queue.c b/queue.c
new file mode 100644
index 0000000..187519a
--- /dev/null
+++ b/queue.c
@@ -0,0 +1,67 @@
+#ifndef GQUEUE_C
+#define GQUEUE_C GQUEUE_C
+#include<queue.h>
+
+
+void Queue_Init(struct Queue *q)
+{
+	q->first=q->last=NULL;
+	q->size=0;
+}
+void Queue_Push(struct Queue *q,void *data)
+{
+	if(q==NULL)return;
+	if(q->first==NULL)
+	{
+		q->first=q->last=malloc(sizeof(struct Queue_Node));	
+
+		q->first->data=data;
+		q->first->prev=NULL;
+
+		++q->size;
+	}else
+	{
+		struct Queue_Node *temp=malloc(sizeof(struct Queue_Node));
+		q->last->prev=temp;
+		temp->data=data;
+
+		q->last=temp;
+		++q->size;
+	}
+
+}
+void* Queue_Pop(struct Queue *q)
+{
+	if(q==NULL)return NULL;
+	if(q->size==0)return NULL;
+
+	void *return_value=q->first->data;
+
+	if(q->size==1)
+	{
+		free(q->last);
+		q->first=q->last=NULL;
+		q->size=0;
+	}else
+	{
+		struct Queue_Node *temp_first=q->first;
+		q->first=q->first->prev;
+		free(temp_first);
+		--q->size;
+	}
+	return return_value;
+}
+void Queue_Destroy(struct Queue *q)
+{
+	
+	struct Queue_Node *temp_first;
+	while(q->first!=NULL)
+	{
+		temp_first=q->first;
+		q->first=q->first->prev;
+		free(temp_first->data);
+		free(temp_first);	
+	}	
+
+}
+#endif 
diff --git a/queue.h b/queue.h
new file mode 100644
index 0000000..651d4b0
--- /dev/null
+++ b/queue.h
@@ -0,0 +1,23 @@
+#ifndef GQUEUE_H
+#define GQUEUE_H GQUEUE_H
+#include<stdlib.h>
+
+
+struct Queue_Node
+{
+	void *data;
+	struct Queue_Node *prev;
+};
+
+struct Queue
+{
+	struct Queue_Node *first,*last;	
+	size_t size;
+	
+};
+
+void Queue_Init(struct Queue *q);
+void Queue_Push(struct Queue *q,void *data);
+void* Queue_Pop(struct Queue *q);
+void Queue_Destroy(struct Queue *q);
+#endif