Terraform (HCL) (*.tf): new parser

docs/news.rst

@@ -475,6 +475,7 @@ The following parsers have been added:
 * SVG *libxml*
 * TclOO (see :ref:`The new Tcl parser <tcl>`)
 * Thrift *peg/packcc*
+* Terraform (HCL) *optlib*
 * TTCN
 * Txt2tags
 * TypeScript

main/parsers_p.h

@@ -172,6 +172,7 @@
 	SystemTapParser, \
 	TclParser, \
 	TclOOParser, \
+	TerraformParser, \
 	TexParser, \
 	TexBeamerParser, \
 	TTCNParser, \

optlib/terraform.c

@@ -0,0 +1,85 @@
+/*
+ * Generated by ./misc/optlib2c from optlib/terraform.ctags, Don't edit this manually.
+ */
+#include "general.h"
+#include "parse.h"
+#include "routines.h"
+#include "field.h"
+#include "xtag.h"
+
+
+static void initializeTerraformParser (const langType language CTAGS_ATTR_UNUSED)
+{
+}
+
+extern parserDefinition* TerraformParser (void)
+{
+	static const char *const extensions [] = {
+		"tf",
+		"tfvars",
+		NULL
+	};
+
+	static const char *const aliases [] = {
+		NULL
+	};
+
+	static const char *const patterns [] = {
+		NULL
+	};
+
+	static kindDefinition TerraformKindTable [] = {
+		{
+		  true, 'r', "Resource", "Terraform Resource",
+		},
+		{
+		  true, 'd', "Data", "Terraform Data",
+		},
+		{
+		  true, 'v', "Variable", "Terraform Variable",
+		},
+		{
+		  true, 'p', "Provider", "Terraform Provider",
+		},
+		{
+		  true, 'm', "Module", "Terraform Module",
+		},
+		{
+		  true, 'o', "Output", "Terraform Output",
+		},
+	};
+	static tagRegexTable TerraformTagRegexTable [] = {
+		{"^resource[[:space:]]\"([^\"]+)\"[[:space:]]\"([^\"]+)\"", "\\2",
+		"r,Resource", NULL, NULL, false},
+		{"^data[[:space:]]\"([^\"]+)\"[[:space:]]\"([^\"]+)\"", "\\2",
+		"d,Data", NULL, NULL, false},
+		{"^variable[[:space:]]\"([^\"]+)\"", "\\1",
+		"v,Variable", NULL, NULL, false},
+		{"^provider[[:space:]]\"([^\"]+)\"", "\\1",
+		"p,Provider", NULL, NULL, false},
+		{"^module[[:space:]]\"([^\"]+)\"", "\\1",
+		"m,Module", NULL, NULL, false},
+		{"^output[[:space:]]\"([^\"]+)\"", "\\1",
+		"o,Output", NULL, NULL, false},
+		{"^([a-z0-9_]+)[[:space:]]*=", "\\1",
+		"f,TFVar", NULL, NULL, false},
+	};
+
+
+	parserDefinition* const def = parserNew ("terraform");
+
+	def->versionCurrent= 0;
+	def->versionAge    = 0;
+	def->enabled       = true;
+	def->extensions    = extensions;
+	def->patterns      = patterns;
+	def->aliases       = aliases;
+	def->method        = METHOD_NOT_CRAFTED|METHOD_REGEX;
+	def->kindTable     = TerraformKindTable;
+	def->kindCount     = ARRAY_SIZE(TerraformKindTable);
+	def->tagRegexTable = TerraformTagRegexTable;
+	def->tagRegexCount = ARRAY_SIZE(TerraformTagRegexTable);
+	def->initialize    = initializeTerraformParser;
+
+	return def;
+}

optlib/terraform.ctags

@@ -0,0 +1,35 @@
+#
+# terraform.ctags: regex parse for Terraform (HCL).
+#
+# Author: Antony Southworth <https://github.com/antonysouthworth-halter>
+#
+# This source code is released for free distribution under the terms of the
+# GNU General Public License version 2 or (at your option) any later version.
+#
+# Derived from `vim-terraform-completion`:
+#   - https://github.com/juliosueiras/vim-terraform-completion/blob/master/ctags/terraform.ctags
+#
+# Changed the name from `terraform` to `tf` so vim will recognise it properly based
+# on file extension (*.tf).
+#
+# A notable abscence is `local`, because `locals` are defined inside a block and
+# it's way harder to write a good regex for that.
+#   - https://www.terraform.io/docs/language/values/locals.html
+
+--langdef=terraform
+--map-terraform=+.tf
+--map-terraform=+.tfvars
+--kinddef-terraform=r,Resource,Terraform Resource
+--kinddef-terraform=d,Data,Terraform Data
+--kinddef-terraform=v,Variable,Terraform Variable
+--kinddef-terraform=p,Provider,Terraform Provider
+--kinddef-terraform=m,Module,Terraform Module
+--kinddef-terraform=o,Output,Terraform Output
+--regex-terraform=/^resource[[:space:]]"([^"]+)"[[:space:]]"([^"]+)"/\2/r,Resource/
+--regex-terraform=/^data[[:space:]]"([^"]+)"[[:space:]]"([^"]+)"/\2/d,Data/
+--regex-terraform=/^variable[[:space:]]"([^"]+)"/\1/v,Variable/
+--regex-terraform=/^provider[[:space:]]"([^"]+)"/\1/p,Provider/
+--regex-terraform=/^module[[:space:]]"([^"]+)"/\1/m,Module/
+--regex-terraform=/^output[[:space:]]"([^"]+)"/\1/o,Output/
+--regex-terraform=/^([a-z0-9_]+)[[:space:]]*=/\1/f,TFVar/
+

source.mak

@@ -244,6 +244,7 @@ OPTLIB2C_INPUT = \
 	optlib/rpmMacros.ctags			\
 	optlib/scss.ctags			\
 	optlib/systemtap.ctags			\
+	optlib/terraform.ctags			\
 	optlib/yacc.ctags			\
 	\
 	$(NULL)

win32/ctags_vs2013.vcxproj

@@ -358,6 +358,7 @@
     <ClCompile Include="..\parsers\systemdunit.c" />
     <ClCompile Include="..\parsers\tcl.c" />
     <ClCompile Include="..\parsers\tcloo.c" />
+    <ClCompile Include="..\parsers\terraform.c" />
     <ClCompile Include="..\parsers\tex-beamer.c" />
     <ClCompile Include="..\parsers\tex.c" />
     <ClCompile Include="..\parsers\ttcn.c" />

win32/ctags_vs2013.vcxproj.filters

@@ -597,6 +597,9 @@
     <ClCompile Include="..\parsers\tcloo.c">
       <Filter>Source Files\parsers</Filter>
     </ClCompile>
+    <ClCompile Include="..\parsers\terraform.c">
+      <Filter>Source Files\Parsers</Filter>
+    </ClCompile>
     <ClCompile Include="..\parsers\tex-beamer.c">
       <Filter>Source Files\parsers</Filter>
     </ClCompile>