Add support for the CROSS_BUILD instruction set

corpus/cross_build.txt

@@ -0,0 +1,11 @@
+==================
+Simple
+==================
+
+CROSS_BUILD_COPY qemu-QEMUARCH-static /usr/bin/
+
+---
+
+(source_file
+	(cross_build_instruction))
+

examples/7

@@ -0,0 +1,21 @@
+FROM opuscapita/minsk-core-ci:1
+
+# install az
+
+# get rid of warnings about missing terminal etc.
+ENV DEBIAN_FRONTEND noninteractive
+
+# Install Azure CLI according to https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-apt?view=azure-cli-latest
+RUN curl -sL https://aka.ms/InstallAzureCLIDeb | bash
+
+# install Kubectl
+ARG KUBECTL_VERSION=1.17.7
+RUN curl -fLk -o /usr/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/v${KUBECTL_VERSION}/bin/linux/amd64/kubectl \
+  && chmod +x /usr/bin/kubectl
+
+# Install Helm
+ARG HELM_VERSION=2.17.0
+RUN curl -fLk -o /usr/bin/helm.tar.gz https://storage.googleapis.com/kubernetes-helm/helm-v${HELM_VERSION}-linux-amd64.tar.gz \
+  && cd /usr/bin && tar -xzf ./helm.tar.gz --strip-components=1 -C . linux-amd64/helm \
+  && chmod +x /usr/bin/helm \
+  && rm -rf /usr/bin/helm.tar.gz

examples/8

@@ -0,0 +1,4 @@
+FROM scratch
+LABEL maintainer="fabio@vmware.com"
+COPY govc /
+ENTRYPOINT [ "/govc"

examples/9

@@ -0,0 +1,27 @@
+# Copyright 2017 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+ARG BASEIMAGE
+FROM $BASEIMAGE
+
+CROSS_BUILD_COPY qemu-QEMUARCH-static /usr/bin/
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+        cuda-samples-$CUDA_PKG_VERSION && \
+    rm -rf /var/lib/apt/lists/*
+
+WORKDIR /usr/local/cuda/samples/0_Simple/vectorAdd
+RUN make
+
+CMD nvidia-smi && ./vectorAdd

grammar.js

@@ -29,6 +29,7 @@ module.exports = grammar({
 						$.healthcheck_instruction,
 						$.shell_instruction,
 						$.maintainer_instruction,
+						$.cross_build_instruction,
 				),
 
 				from_instruction: $ => seq(
@@ -193,6 +194,11 @@ module.exports = grammar({
 						/.*/,
 				),
 
+				cross_build_instruction: $ => seq(
+						alias(/[cC][rR][oO][sS][sS]_[bB][uU][iI][lL][dD][a-zA-Z_]*/, "CROSS_BUILD"),
+						/.*/,
+				),
+				
 				path: $ => seq(
 					choice(
 						/[^-\s\$]/, // cannot start with a '-' to avoid conflicts with params

src/grammar.json

@@ -91,6 +91,10 @@
         {
           "type": "SYMBOL",
           "name": "maintainer_instruction"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "cross_build_instruction"
         }
       ]
     },
@@ -797,6 +801,24 @@
         }
       ]
     },
+    "cross_build_instruction": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "PATTERN",
+            "value": "[cC][rR][oO][sS][sS]_[bB][uU][iI][lL][dD][a-zA-Z_]*"
+          },
+          "named": false,
+          "value": "CROSS_BUILD"
+        },
+        {
+          "type": "PATTERN",
+          "value": ".*"
+        }
+      ]
+    },
     "path": {
       "type": "SEQ",
       "members": [

src/node-types.json

@@ -91,6 +91,11 @@
       ]
     }
   },
+  {
+    "type": "cross_build_instruction",
+    "named": true,
+    "fields": {}
+  },
   {
     "type": "double_quoted_string",
     "named": true,
@@ -432,6 +437,10 @@
           "type": "copy_instruction",
           "named": true
         },
+        {
+          "type": "cross_build_instruction",
+          "named": true
+        },
         {
           "type": "entrypoint_instruction",
           "named": true
@@ -597,6 +606,10 @@
           "type": "copy_instruction",
           "named": true
         },
+        {
+          "type": "cross_build_instruction",
+          "named": true
+        },
         {
           "type": "entrypoint_instruction",
           "named": true
@@ -825,6 +838,10 @@
     "type": "COPY",
     "named": false
   },
+  {
+    "type": "CROSS_BUILD",
+    "named": false
+  },
   {
     "type": "ENTRYPOINT",
     "named": false