From cf56644a6225fd3d3dd0622cefd9563491f243cd Mon Sep 17 00:00:00 2001
From: Fredrik Ekre <ekrefredrik@gmail.com>
Date: Thu, 6 Jun 2024 00:54:23 +0200
Subject: [PATCH] Add long-form printing of Runic.Node

---
 src/JuliaSyntax.jl       | 51 ++++++++++++++++++++++++++++++++++++++++
 src/Runic.jl             |  7 ++++++
 src/ToggleableAsserts.jl |  2 +-
 3 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 src/JuliaSyntax.jl

diff --git a/src/JuliaSyntax.jl b/src/JuliaSyntax.jl
new file mode 100644
index 0000000..c17ffee
--- /dev/null
+++ b/src/JuliaSyntax.jl
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: MIT
+
+# The code in this file is derived from code in the JuliaSyntax.jl package
+# (https://github.com/JuliaLang/JuliaSyntax.jl) licensed under the MIT license.
+# (https://github.com/JuliaLang/JuliaSyntax.jl/blob/main/LICENSE.md):
+
+# MIT License
+#
+# Copyright (c) 2021 Julia Computing and contributors
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+# https://github.com/JuliaLang/JuliaSyntax.jl/blob/bd290251c0aeb2d2e4c0349bb8ea4a33834d1c02/src/green_tree.jl#L45-L80
+function _show_green_node(io, node, indent, pos, str, show_trivia)
+    if !show_trivia && JuliaSyntax.is_trivia(node)
+        return
+    end
+    posstr = "$(lpad(pos, 6)):$(rpad(pos + span(node) - 1, 6)) │"
+    brackets = is_leaf(node) ? ("" => "") : ("[" => "]")
+    line = string(
+        posstr, indent, brackets.first, JuliaSyntax.summary(head(node)), brackets.second,
+    )
+    if node.tags != 0
+        line = string(rpad(line, 50), ' ', "tags: $(stringify_tags(node))")
+    end
+    println(io, line)
+    if !is_leaf(node)
+        new_indent = indent * "  "
+        p = pos
+        for x in verified_kids(node)
+            _show_green_node(io, x, new_indent, p, str, show_trivia)
+            p += x.span
+        end
+    end
+end
diff --git a/src/Runic.jl b/src/Runic.jl
index c5f3612..a7f8004 100644
--- a/src/Runic.jl
+++ b/src/Runic.jl
@@ -16,6 +16,7 @@ end
 
 # Debug and assert utilities
 include("debug.jl")
+include("JuliaSyntax.jl")
 
 ########
 # Node #
@@ -48,6 +49,12 @@ function Node(node::JuliaSyntax.GreenNode)
     )
 end
 
+function Base.show(io::IO, ::MIME"text/plain", node::Node)
+    show(io, node)
+    println(io)
+    _show_green_node(io, node, "", 1, nothing, true)
+end
+
 function Base.show(io::IO, node::Node)
     print(io, "Node({head: {kind: ")
     show(io, kind(node))
diff --git a/src/ToggleableAsserts.jl b/src/ToggleableAsserts.jl
index 4928952..c9f0718 100644
--- a/src/ToggleableAsserts.jl
+++ b/src/ToggleableAsserts.jl
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: MIT
 
-# The code in this file is derived from the ToggleableAsserts.jl package
+# The code in this file is derived from code in the ToggleableAsserts.jl package
 # (https://github.com/MasonProtter/ToggleableAsserts.jl) licensed under the MIT license.
 # (https://github.com/MasonProtter/ToggleableAsserts.jl/blob/master/LICENSE):