1 files changed, 70 insertions, 0 deletions
diff --git a/preproc.h b/preproc.h
new file mode 100644
index 0000000..6dca467
--- /dev/null
+++ b/preproc.h
@@ -0,0 +1,70 @@
+#pragma once
+
+#include "defs.h"
+#include "utils.h"
+
+DECLARE_VEC(Chunk, ChunkVec)
+DECLARE_VEC(Token, TokenVec)
+
+typedef struct {
+    RegionVec regions;
+    TokenVec tokens;
+    ChunkVec chunks;
+} PreprocArena;
+
+
+TokenPtrVec lex(char* input, PreprocArena* arena);
+
+
+// Parsing
+
+typedef enum {
+    STDIN_REDIR,
+    STDOUT_REDIR_TRUNC,
+    STDOUT_REDIR_APPEND,
+} RedirKind;
+
+
+typedef struct {
+    RedirKind kind;
+
+    union {
+        Word std_redir_filename;
+    } as;
+} Redirect;
+
+
+DECLARE_VEC(Redirect, RedirectVec)
+
+
+
+
+typedef struct {
+    TokenVec args;
+    RedirectVec redirects;
+    // TODO: prefix variable settings
+} Command;
+
+
+typedef enum {
+    CONN_PIPE,
+    CONN_EOL,
+    // TODO: add the |& thingy
+} Connector;
+
+DECLARE_MAYBE(Connector, MaybeConnector)
+
+typedef struct {
+    Command cmd;
+    Connector conn;
+} PipelineElement;
+
+DECLARE_VEC(PipelineElement, Pipeline)
+
+Pipeline parse_tokstream(Token* tokstream); 
+
+
+
+
+
+