+# A program that is compiled to C
+class CProgram
+ init(p: Program)
+ do
+ _program = p
+ _compdir = p.tc.compdir.as(not null)
+ _build_file = "{compdir}/{program.module.name}._build.sh"
+ end
+
+ # The Nit program compiled to C
+ readable var _program: Program
+
+ # C files (full path) required to compile
+ readable var _files: Array[String] = new Array[String]
+
+ # Includes paths (gcc -I) required to find the headers (.h) of native modules
+ readable var _include_dirs: ArraySet[String] = new ArraySet[String]
+
+ # The path of the building script
+ readable var _build_file: String
+
+ # The directory where all files are generated
+ readable var _compdir: String
+
+ # Return the basename of the public header file (.h) of a module
+ fun module_header_name(m: MMModule): String
+ do
+ if _module_include.has_key(m) then
+ return _module_include[m]
+ end
+ var filename = "{m.name}.{get_file_ending}.h"
+ _module_include[m] = filename
+ return filename
+ end
+
+ # Cache for module_header_name
+ var _module_include: Map[MMModule, String] = new HashMap[MMModule, String]
+
+ # When we are using global compilation, we generate _glob files instead
+ # of _sep files so that we do not corrupt separate compilation
+ fun get_file_ending: String do return if program.tc.global then "_glob" else "_sep"
+
+ # Generate the shell script that build the program by calling gccx
+ fun generate_build_file
+ do
+ var f = new OFStream.open(_build_file)
+ var verbose = ""
+ var tc = program.tc
+
+ if tc.verbose_level > 0 then
+ verbose = "-"
+ for i in [1..tc.verbose_level] do verbose = verbose + "v"
+ end
+
+ f.write("#!/bin/sh\n")
+ f.write("# This shell script is generated by NIT to compile the program {program.module.name}.\n")
+ f.write("CLIBDIR=\"{tc.clibdir.as(not null)}\"\n")
+ f.write("{tc.bindir.as(not null)}/gccx {verbose} -d {compdir} -I $CLIBDIR {include_dirs.join(" ")}")
+ if tc.output_file != null then
+ f.write(" -o {tc.output_file.as(not null)}")
+ else if tc.ext_prefix.is_empty then
+ f.write(" -o {program.module.name}")
+ else
+ f.write(" -o {program.module.name}_{tc.ext_prefix}")
+ end
+ if tc.boost then f.write(" -O")
+ if not tc.cc_link then f.write(" -x \"-c\"")
+ for l in tc.cc_libs do f.write(" -x \"-l {l}\"")
+ for lp in tc.cc_lib_paths do f.write(" -x \"-L {lp}\"")
+ for ip in tc.cc_include_paths do f.write(" -x \"-I {ip}\"")
+ f.write(" \"$@\" \\\n {files.join("\\\n ")}\n")
+ f.close
+ end
+
+ # Invoke the build_file
+ fun run_c_compiler
+ do
+ program.tc.info("Building",1)
+ sys.system("sh {_build_file}")
+ end
+end
+