feat: all merged

.gitignore

@@ -177,3 +177,4 @@ m4/ltversion.m4
 m4/lt~obsolete.m4
 
 Makefile
+*.svg

src/main.c

@@ -76,6 +76,14 @@ int main(int argc, char **argv)
     // Retrieve and build first AST
     struct ast *command_ast = get_ast(ctx);
 
+    if (options.pretty_print)
+    {
+        ast_print_dot(command_ast);
+    }
+
+    // Call the executor with the AST
+    return_code = execution(command_ast);
+
     // Main parse-execute loop
     while (command_ast != NULL && command_ast->type != AST_END)
     {

src/utils/ast/ast.c

@@ -1,6 +1,89 @@
+#define _POSIX_C_SOURCE 12344
+
 #include "ast.h"
 
 #include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void ast_print_dot_recursive(struct ast *node, FILE *out)
+{
+    if (!node)
+        return;
+
+    switch (node->type)
+    {
+    case AST_IF: {
+        struct ast_if *if_data = ast_get_if(node);
+        fprintf(out, "  node%p [label=\"IF\"];\n", (void *)node);
+
+        if (if_data->condition)
+        {
+            fprintf(out, "  node%p -> node%p;\n", (void *)node,
+                    (void *)if_data->condition);
+            fprintf(out,
+                    "  node%p [fillcolor=\"lightyellow\", style=\"filled\"];\n",
+                    (void *)if_data->condition);
+            ast_print_dot_recursive(if_data->condition, out);
+
+            if (if_data->then_clause)
+            {
+                fprintf(out, "  node%p -> node%p [label=\"true\"];\n",
+                        (void *)if_data->condition,
+                        (void *)if_data->then_clause);
+                ast_print_dot_recursive(if_data->then_clause, out);
+            }
+
+            if (if_data->else_clause)
+            {
+                fprintf(out, "  node%p -> node%p [label=\"false\"];\n",
+                        (void *)if_data->condition,
+                        (void *)if_data->else_clause);
+                ast_print_dot_recursive(if_data->else_clause, out);
+            }
+        }
+        break;
+    }
+    case AST_CMD: {
+        struct ast_command *command_data = ast_get_command(node);
+        fprintf(out, "  node%p [label=\"", (void *)node);
+        struct list *l = command_data->command;
+        while (l)
+        {
+            fprintf(out, "%s", (char *)l->data);
+            if (l->next)
+                fprintf(out, " ");
+            l = l->next;
+        }
+        fprintf(out, "\"];\n");
+        break;
+    }
+    case AST_END:
+        fprintf(out, "  node%p [label=\"END\"];\n", (void *)node);
+        break;
+    default:
+        break;
+    }
+}
+
+void ast_print_dot(struct ast *ast)
+{
+    if (!ast)
+        return;
+
+    FILE *dot_pipe = popen("dot -Tsvg -o ast.svg", "w");
+    if (!dot_pipe)
+    {
+        return;
+    }
+
+    fprintf(dot_pipe, "digraph AST {\n");
+    ast_print_dot_recursive(ast, dot_pipe);
+    fprintf(dot_pipe, "}\n");
+    pclose(dot_pipe);
+
+    system("open ast.svg");
+}
 
 void ast_free(struct ast **node)
 {

src/utils/ast/ast.h

@@ -10,4 +10,9 @@
 #include "ast_redir.h"
 #include "ast_void.h"
 
+/**
+ * Prints the Graphviz DOT representation of the given AST to stdout.
+ */
+void ast_print_dot(struct ast *ast);
+
 #endif /* ! AST_H */