Add OpenQASM support (#4796)

* Add OpenQASM support

* Add grammar

* Update submodules

.gitmodules

@@ -599,6 +599,9 @@
 [submodule "vendor/grammars/language-property-list"]
 	path = vendor/grammars/language-property-list
 	url = https://github.com/atom/language-property-list
+[submodule "vendor/grammars/language-qasm"]
+	path = vendor/grammars/language-qasm
+	url = https://github.com/tareqdandachi/language-qasm
 [submodule "vendor/grammars/language-reason"]
 	path = vendor/grammars/language-reason
 	url = https://github.com/reasonml-editor/language-reason

grammars.yml

@@ -536,6 +536,8 @@ vendor/grammars/language-povray:
 vendor/grammars/language-property-list:
 - source.plist
 - text.xml.plist
+vendor/grammars/language-qasm:
+- source.qasm
 vendor/grammars/language-reason:
 - source.reason
 - source.reason.hover.type

lib/linguist/languages.yml

@@ -3644,6 +3644,14 @@ OpenEdge ABL:
   tm_scope: source.abl
   ace_mode: text
   language_id: 264
+OpenQASM:
+  type: programming
+  extensions:
+  - ".qasm"
+  color: "#AA70FF"
+  tm_scope: source.qasm
+  ace_mode: text
+  language_id: 153739399
 OpenRC runscript:
   type: programming
   group: Shell

samples/OpenQASM/half_adder.qasm

@@ -0,0 +1,15 @@
+// A half adder circuit.
+
+OPENQASM 2.0;
+include "qelib1.inc";
+
+qreg q[4];
+creg c[2];
+
+x q[0]; // Remove to keep the first input as 0.
+x q[1]; // Remove to keep the first input as 0.
+cx q[0], q[2];
+cx q[1], q[2];
+ccx q[0], q[1], q[3];
+measure q[2] -> c[0];
+measure q[3] -> c[1];

vendor/README.md

@@ -291,6 +291,7 @@ This is a list of grammars that Linguist selects to provide syntax highlighting
 - **Open Policy Agent:** [tsandall/vscode-opa](https://github.com/tsandall/vscode-opa)
 - **OpenCL:** [textmate/c.tmbundle](https://github.com/textmate/c.tmbundle)
 - **OpenEdge ABL:** [jfairbank/Sublime-Text-2-OpenEdge-ABL](https://github.com/jfairbank/Sublime-Text-2-OpenEdge-ABL)
+- **OpenQASM:** [tareqdandachi/language-qasm](https://github.com/tareqdandachi/language-qasm)
 - **OpenRC runscript:** [atom/language-shellscript](https://github.com/atom/language-shellscript)
 - **OpenSCAD:** [tbuser/openscad.tmbundle](https://github.com/tbuser/openscad.tmbundle)
 - **OpenStep Property List:** [atom/language-property-list](https://github.com/atom/language-property-list)

vendor/grammars/language-qasm

@@ -0,0 +1 @@
+Subproject commit 8d5bbadaee337adf94e1b0084b80aa277acdd18a

vendor/licenses/grammar/language-qasm.txt

@@ -0,0 +1,26 @@
+---
+type: grammar
+name: language-qasm
+version: 8d5bbadaee337adf94e1b0084b80aa277acdd18a
+license: mit
+---
+Copyright (c) 2019 Tareq El Dandachi
+
+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.