Add basic support for Zig (no documentation).

CMakeLists.txt

@@ -36,6 +36,7 @@ option(RE2C_BUILD_RE2OCAML "Build re2ocaml executable (an alias for `re2c --lang
 option(RE2C_BUILD_RE2PY "Build re2py executable (an alias for `re2c --lang python`)" ON)
 option(RE2C_BUILD_RE2RUST "Build re2rust executable (an alias for `re2c --lang rust`)" ON)
 option(RE2C_BUILD_RE2V "Build re2v executable (an alias for `re2c --lang v`)" ON)
+option(RE2C_BUILD_RE2ZIG "Build re2zig executable (an alias for `re2c --lang zig`)" ON)
 
 option(RE2C_BUILD_BENCHMARKS "Build benchmarks" OFF)
 option(RE2C_REGEN_BENCHMARKS "Regenerate C code for benchmarks" OFF)
@@ -142,6 +143,7 @@ add_library(re2c_objects_autogen OBJECT
     "${CMAKE_CURRENT_BINARY_DIR}/src/default_syntax_python.cc"
     "${CMAKE_CURRENT_BINARY_DIR}/src/default_syntax_rust.cc"
     "${CMAKE_CURRENT_BINARY_DIR}/src/default_syntax_v.cc"
+    "${CMAKE_CURRENT_BINARY_DIR}/src/default_syntax_zig.cc"
     "${re2c_docs}"
 )
 add_library(re2c_objects_autogen_ver_to_vernum OBJECT
@@ -230,6 +232,7 @@ re2c_bootstrap_syntax("include/syntax/ocaml" "src/default_syntax_ocaml.cc")
 re2c_bootstrap_syntax("include/syntax/python" "src/default_syntax_python.cc")
 re2c_bootstrap_syntax("include/syntax/rust" "src/default_syntax_rust.cc")
 re2c_bootstrap_syntax("include/syntax/v" "src/default_syntax_v.cc")
+re2c_bootstrap_syntax("include/syntax/zig" "src/default_syntax_zig.cc")
 
 # re2c
 add_executable(re2c ${re2c_sources})
@@ -315,6 +318,15 @@ if (RE2C_BUILD_RE2V)
     )
 endif()
 
+# re2zig
+if (RE2C_BUILD_RE2ZIG)
+    add_executable(re2zig ${re2c_sources})
+    target_compile_definitions(re2zig PUBLIC
+        "RE2C_LANG=Lang::ZIG"
+        "RE2C_PROG=\"re2zig\""
+    )
+endif()
+
 # docs
 set(re2c_docs_sources
     "${re2c_manpage_source}"
@@ -458,6 +470,9 @@ if (CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
     if(RE2C_BUILD_RE2V)
         install(TARGETS re2v RUNTIME DESTINATION bin)
     endif()
+    if(RE2C_BUILD_RE2ZIG)
+        install(TARGETS re2zig RUNTIME DESTINATION bin)
+    endif()
     install(FILES
         include/syntax/c
         include/syntax/d
@@ -469,6 +484,7 @@ if (CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
         include/syntax/python
         include/syntax/rust
         include/syntax/v
+        include/syntax/zig
         include/unicode_categories.re
         DESTINATION "${RE2C_STDLIB_DIR}")
 

Makefile.am

@@ -148,7 +148,8 @@ re2c_GEN_SRC = \
 	src/default_syntax_ocaml.cc \
 	src/default_syntax_python.cc \
 	src/default_syntax_rust.cc \
-	src/default_syntax_v.cc
+	src/default_syntax_v.cc \
+	src/default_syntax_zig.cc
 re2c_GEN_HDR = \
 	src/options/parser.h \
 	src/options/conf_parser.h \
@@ -190,7 +191,8 @@ re2c_BOOT = \
 	bootstrap/src/default_syntax_ocaml.cc \
 	bootstrap/src/default_syntax_python.cc \
 	bootstrap/src/default_syntax_rust.cc \
-	bootstrap/src/default_syntax_v.cc
+	bootstrap/src/default_syntax_v.cc \
+	bootstrap/src/default_syntax_zig.cc
 
 # custom sources
 re2c_CUSTOM_HELP = doc/help.rst
@@ -339,6 +341,7 @@ dist_stdlib_DATA = \
 	include/syntax/python \
 	include/syntax/rust \
 	include/syntax/v \
+	include/syntax/zig \
 	include/unicode_categories.re
 
 BAZELFILES := \
@@ -610,3 +613,11 @@ re2v_CXXFLAGS = $(AM_CXXFLAGS) -DRE2C_LANG=Lang::V -DRE2C_PROG=\"re2v\"
 re2v_SOURCES = $(re2c_SOURCES)
 nodist_re2v_SOURCES = $(nodist_re2c_SOURCES)
 endif
+
+# re2zig
+if WITH_ZIG
+bin_PROGRAMS += re2zig
+re2zig_CXXFLAGS = $(AM_CXXFLAGS) -DRE2C_LANG=Lang::ZIG -DRE2C_PROG=\"re2zig\"
+re2zig_SOURCES = $(re2c_SOURCES)
+nodist_re2zig_SOURCES = $(nodist_re2c_SOURCES)
+endif