From d31d9ce64c3085bea1a094e649f62176b1a896a6 Mon Sep 17 00:00:00 2001
From: Ákos Kőrösi <korakos99@gmail.com>
Date: Mon, 18 May 2026 12:29:53 +0200
Subject: put line processing in exec

---
 exec.c | 18 ++++++++++++++++++
 exec.h |  2 +-
 main.c | 15 +--------------
 3 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/exec.c b/exec.c
index 7147bfd..45c97b8 100644
--- a/exec.c
+++ b/exec.c
@@ -196,3 +196,21 @@ void run_pipeline(Pipeline pl, ShellState* shstate) {
     while (waitpid(-pgid, NULL, 0) > 0); 
     tcsetpgrp(STDIN_FILENO, getpgrp());
 }
+
+
+void process_input_line(char* line, ShellState* shstate) {
+    PreprocArena arena = {
+        .tokens = make_TokenVec(256),
+        .chunks = make_ChunkVec(256),
+        .regions = make_RegionVec(256),
+    };
+    TokenPtrVec line_tok_ptrs = lex(line, &arena);
+    Token* line_toks = malloc(sizeof(Token) * line_tok_ptrs.count);
+    for (int i = 0; i < line_tok_ptrs.count; i++) {
+        line_toks[i] = **get_from_TokenPtrVec(&line_tok_ptrs, i);
+    }
+    Pipeline pl = parse_tokstream(line_toks);
+    run_pipeline(pl, shstate);
+    free(line_toks);
+}
+
diff --git a/exec.h b/exec.h
index 1e23cdc..2424801 100644
--- a/exec.h
+++ b/exec.h
@@ -9,4 +9,4 @@ typedef struct {
     KeyValMap shell_vars;
 } ShellState;
 
-void run_pipeline(Pipeline pl, ShellState* shstate); 
+void process_input_line(char* line, ShellState* shstate);
diff --git a/main.c b/main.c
index 3fe10bf..52e1691 100644
--- a/main.c
+++ b/main.c
@@ -3,7 +3,6 @@
 #include <readline/readline.h>
 #include <string.h>
 
-#include "preproc.h"
 #include "exec.h"
 
 
@@ -14,19 +13,7 @@ int main() {
         line = readline("$ ");
         if (line[0] == '\0') continue;  
         if (strcmp(line, "exit") == 0) exit(0);
-        PreprocArena arena = {
-            .tokens = make_TokenVec(256),
-            .chunks = make_ChunkVec(256),
-            .regions = make_RegionVec(256),
-        };
-        TokenPtrVec line_tok_ptrs = lex(line, &arena);
-        Token* tokstream = malloc(sizeof(Token) * line_tok_ptrs.count);
-        for (int i = 0; i < line_tok_ptrs.count; i++) {
-            tokstream[i] = **get_from_TokenPtrVec(&line_tok_ptrs, i);
-        }
-        Pipeline pl = parse_tokstream(tokstream);
-        run_pipeline(pl, &shstate);
-        free(tokstream);
+        process_input_line(line, &shstate);
     }
     free(line);
 }
-- 
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