Containerfile: new parser

Close universal-ctags#3970

Signed-off-by: Masatake YAMATO <[email protected]>

Tmain/list-map-patterns.d/stdout-expected.txt

@@ -1,7 +1,7 @@
 ## all|grep LdScript
-#LANGUAGE     PATTERN
-LdScript      *.lds.S
-LdScript      ld.script
+#LANGUAGE      PATTERN
+LdScript       *.lds.S
+LdScript       ld.script
 ## LdScript
 #PATTERN
 *.lds.S

Tmain/list-roles.d/stdout-expected.txt

@@ -49,6 +49,7 @@ CUDA           h/header          system             on      system header
 Cobol          S/sourcefile      copied             on      copied in source file
 CobolFree      S/sourcefile      copied             on      copied in source file
 CobolVariable  S/sourcefile      copied             on      copied in source file
+Containerfile  i/image           base               on      referenced as a base image in FROM directive
 DTD            e/element         attOwner           on      attributes owner
 DTD            p/parameterEntity condition          on      conditions
 DTD            p/parameterEntity elementName        on      element names
@@ -192,6 +193,7 @@ CUDA           h/header          system             on      system header
 Cobol          S/sourcefile      copied             on      copied in source file
 CobolFree      S/sourcefile      copied             on      copied in source file
 CobolVariable  S/sourcefile      copied             on      copied in source file
+Containerfile  i/image           base               on      referenced as a base image in FROM directive
 DTD            e/element         attOwner           on      attributes owner
 DTD            p/parameterEntity condition          on      conditions
 DTD            p/parameterEntity elementName        on      element names

Units/parser-containerfile.r/env.d/args.ctags

@@ -0,0 +1,3 @@
+--sort=no
+--language-force=Containerfile
+--fields=+in

Units/parser-containerfile.r/env.d/expected.tags

@@ -0,0 +1,16 @@
+img27634bbb0100	input.container	/^FROM ubi8:latest$/;"	i	line:2	inherits:ubi8:latest
+MY_NAME	input.container	/^ENV MY_NAME="John Doe"$/;"	e	line:4	image:img27634bbb0100
+MY_DOG	input.container	/^ENV MY_DOG=Rex\\ The\\ Dog$/;"	e	line:5	image:img27634bbb0100
+MY_CAT	input.container	/^ENV MY_CAT=fluffy$/;"	e	line:6	image:img27634bbb0100
+MY_X	input.container	/^ENV MY_X=fluffy MY_Y="a" MY_Z=b$/;"	e	line:7	image:img27634bbb0100
+MY_Y	input.container	/^ENV MY_X=fluffy MY_Y="a" MY_Z=b$/;"	e	line:7	image:img27634bbb0100
+MY_Z	input.container	/^ENV MY_X=fluffy MY_Y="a" MY_Z=b$/;"	e	line:7	image:img27634bbb0100
+MY_A	input.container	/^ENV MY_A=fluffy \\$/;"	e	line:8	image:img27634bbb0100
+MY_B	input.container	/^MY_B="a" \\$/;"	e	line:9	image:img27634bbb0100
+MY_C	input.container	/^MY_C=b$/;"	e	line:10	image:img27634bbb0100
+YOUR_A	input.container	/^ENV YOUR_A "a"$/;"	e	line:12	image:img27634bbb0100
+YOUR_B	input.container	/^ENV YOUR_B "b" \\$/;"	e	line:13	image:img27634bbb0100
+YOUR_C	input.container	/^    YOUR_C "c" \\$/;"	e	line:14	image:img27634bbb0100
+YOUR_D	input.container	/^    YOUR_D \\$/;"	e	line:15	image:img27634bbb0100
+MY_HOUSE	input.container	/^ENV MY_HOUSE "a" MY_FAMILY "a"$/;"	e	line:18	image:img27634bbb0100
+MY_FAMILY	input.container	/^ENV MY_HOUSE "a" MY_FAMILY "a"$/;"	e	line:18	image:img27634bbb0100

Units/parser-containerfile.r/env.d/input.container

@@ -0,0 +1,18 @@
+# https://docs.docker.jp/engine/reference/builder.html#env
+FROM ubi8:latest
+
+ENV MY_NAME="John Doe"
+ENV MY_DOG=Rex\ The\ Dog
+ENV MY_CAT=fluffy
+ENV MY_X=fluffy MY_Y="a" MY_Z=b
+ENV MY_A=fluffy \
+MY_B="a" \
+MY_C=b
+
+ENV YOUR_A "a"
+ENV YOUR_B "b" \
+    YOUR_C "c" \
+    YOUR_D \
+    YOUR_E
+
+ENV MY_HOUSE "a" MY_FAMILY "a"

Units/parser-containerfile.r/multi.d/args.ctags

@@ -0,0 +1,4 @@
+--sort=no
+--language-force=Containerfile
+--fields=+inrl
+--extras=+r

Units/parser-containerfile.r/multi.d/expected.tags

@@ -0,0 +1,17 @@
+X	input.containerfile	/^#define X /;"	d	line:3	language:CPreProcessor	file:	roles:def
+busybox:latest	input.containerfile	/^FROM busybox:latest AS builder$/;"	i	line:5	language:Containerfile	roles:base
+builder	input.containerfile	/^FROM busybox:latest AS builder$/;"	i	line:5	language:Containerfile	inherits:busybox:latest	roles:def
+BUILD_LOGLEVEL	input.containerfile	/^ENV 'BUILD'"_LOGLEVEL"="5" A=1$/;"	e	line:6	language:Containerfile	image:builder	roles:def
+A	input.containerfile	/^ENV 'BUILD'"_LOGLEVEL"="5" A=1$/;"	e	line:6	language:Containerfile	image:builder	roles:def
+OPENSHIFT_BUILD_NAME	input.containerfile	/^ENV "OPENSHIFT_BUILD_NAME"="mydockertest-1" "OPENSHIFT_BUILD_NAMESPACE"="default"$/;"	e	line:9	language:Containerfile	image:builder	roles:def
+OPENSHIFT_BUILD_NAMESPACE	input.containerfile	/^ENV "OPENSHIFT_BUILD_NAME"="mydockertest-1" "OPENSHIFT_BUILD_NAMESPACE"="default"$/;"	e	line:9	language:Containerfile	image:builder	roles:def
+io.openshift.build.name	input.containerfile	/^LABEL "io.openshift.build.name"="mydockertest-1" "io.openshift.build.namespace"="default"$/;"	l	line:10	language:Containerfile	image:builder	roles:def
+io.openshift.build.namespace	input.containerfile	/^LABEL "io.openshift.build.name"="mydockertest-1" "io.openshift.build.namespace"="default"$/;"	l	line:10	language:Containerfile	image:builder	roles:def
+Y	input.containerfile	/^#define Y /;"	d	line:12	language:CPreProcessor	file:	roles:def
+builder	input.containerfile	/^FROM builder$/;"	i	line:14	language:Containerfile	roles:base
+img7a86bc1d0100	input.containerfile	/^FROM builder$/;"	i	line:14	language:Containerfile	inherits:builder	roles:def
+BUILD_LOGLEVEL	input.containerfile	/^ENV "BUILD_LOGLEVEL"="5"$/;"	e	line:15	language:Containerfile	image:img7a86bc1d0100	roles:def
+Z	input.containerfile	/^#define Z /;"	d	line:18	language:CPreProcessor	file:	roles:def
+builder	input.containerfile	/^FROM builder$/;"	i	line:20	language:Containerfile	roles:base
+img7a86bc1d0200	input.containerfile	/^FROM builder$/;"	i	line:20	language:Containerfile	inherits:builder	roles:def
+BUILD_LOGLEVEL	input.containerfile	/^ENV "BUILD_LOGLEVEL"="5"$/;"	e	line:21	language:Containerfile	image:img7a86bc1d0200	roles:def

Units/parser-containerfile.r/multi.d/input.containerfile

@@ -0,0 +1,22 @@
+# Based on https://github.com/containers/buildah/blob/main/tests/bud/multi-stage-builds/Dockerfile.extended
+
+#define X 1
+
+FROM busybox:latest AS builder
+ENV 'BUILD'"_LOGLEVEL"="5" A=1
+RUN touch /tmp/preCommit
+ENTRYPOINT /bin/sleep 600
+ENV "OPENSHIFT_BUILD_NAME"="mydockertest-1" "OPENSHIFT_BUILD_NAMESPACE"="default"
+LABEL "io.openshift.build.name"="mydockertest-1" "io.openshift.build.namespace"="default"
+
+#define Y 1
+
+FROM builder
+ENV "BUILD_LOGLEVEL"="5"
+RUN touch /tmp/postCommit
+
+#define Z 1
+
+FROM builder
+ENV "BUILD_LOGLEVEL"="5"
+RUN echo "$BUILD_LOGLEVEL"

main/parsers_p.h

@@ -84,6 +84,7 @@
 	CobolParser, \
 	CobolFreeParser, \
 	CobolVariableParser, \
+	ContainerfileParser, \
 	CUDAParser, \
 	DParser, \
 	DiffParser, \