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-rw-r--r--src/frontend/lexer.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/frontend/lexer.h b/src/frontend/lexer.h
new file mode 100644
index 0000000..320146c
--- /dev/null
+++ b/src/frontend/lexer.h
@@ -0,0 +1,54 @@
+#ifndef LEXER_H
+#define LEXER_H
+#include <ctype.h> //isspace
+#include <program.h>
+#include <queue.h>
+#include <map.h>
+
+struct Translation_Data;
+struct Source;
+
+enum Keyword
+{
+ KW_MACHINE,
+ KW_FROM,
+ KW_TO,
+ KW_ON,
+ KW_ID,
+ KW_STRING,
+ KW_NOP,
+ KW_EOF,
+ KW_OPEN_SQUARE,
+ KW_CLOSE_SQUARE,
+ KW_PIPE,
+ KW_SEMI_COLUMN,
+ KW_STARTING,
+ KW_STATES,
+ KW_EVENTS,
+ KW_EVENT,
+ KW_EXECUTE,
+ KW_TRANSITIONS,
+ KW_COMMA,
+};
+struct token
+{
+ size_t size;
+ enum Keyword type;
+ char *data;
+ size_t row;
+ size_t column;
+};
+
+void lex(struct Queue *token_destination,struct Source *src,struct Translation_Data *translation_data);
+struct token* lex_step(struct Source *src,struct Translation_Data *translation_data);
+struct token* get_token(char *data,size_t size,enum Keyword type,size_t row,size_t column);
+void skip_white_space(struct Source *src);
+
+void push_token_into_map(struct token *token,struct Map *map,void *thing);
+
+
+void delete_token(struct token *token);
+/*:X*/
+static char check_and_move_if_on_word(char *word,size_t word_size,struct Source *src,char needs_space_after);
+
+#endif