From 1bb39eba8717f62336cc98c5bb7cfbef194f3626 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sat, 23 Feb 2019 16:39:44 +0100
Subject: Add scripting (tengo) support for every incoming message (#731)

TengoModifyMessage allows you to specify the location of a tengo (https://github.com/d5/tengo/) script.
This script will receive every incoming message and can be used to modify the Username and the Text of that message.
The script will have the following global variables:
to modify: msgUsername and msgText
to read: msgChannel and msgAccount

The script is reloaded on every message, so you can modify the script on the fly.

Example script can be found in https://github.com/42wim/matterbridge/tree/master/gateway/bench.tengo
and https://github.com/42wim/matterbridge/tree/master/contrib/example.tengo

The example below will check if the text contains blah and if so, it'll replace the text and the username of that message.
text := import("text")
if text.re_match("blah",msgText) {
    msgText="replaced by this"
    msgUsername="fakeuser"
}

More information about tengo on: https://github.com/d5/tengo/blob/master/docs/tutorial.md and
https://github.com/d5/tengo/blob/master/docs/stdlib.md
---
 .../github.com/d5/tengo/compiler/ast/bool_lit.go   | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 vendor/github.com/d5/tengo/compiler/ast/bool_lit.go

(limited to 'vendor/github.com/d5/tengo/compiler/ast/bool_lit.go')

diff --git a/vendor/github.com/d5/tengo/compiler/ast/bool_lit.go b/vendor/github.com/d5/tengo/compiler/ast/bool_lit.go
new file mode 100644
index 00000000..e667a5c8
--- /dev/null
+++ b/vendor/github.com/d5/tengo/compiler/ast/bool_lit.go
@@ -0,0 +1,26 @@
+package ast
+
+import "github.com/d5/tengo/compiler/source"
+
+// BoolLit represents a boolean literal.
+type BoolLit struct {
+	Value    bool
+	ValuePos source.Pos
+	Literal  string
+}
+
+func (e *BoolLit) exprNode() {}
+
+// Pos returns the position of first character belonging to the node.
+func (e *BoolLit) Pos() source.Pos {
+	return e.ValuePos
+}
+
+// End returns the position of first character immediately after the node.
+func (e *BoolLit) End() source.Pos {
+	return source.Pos(int(e.ValuePos) + len(e.Literal))
+}
+
+func (e *BoolLit) String() string {
+	return e.Literal
+}
-- 
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