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79 lines
2.1 KiB
V
79 lines
2.1 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module main
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import (
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compiler
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filepath
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os
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v.pref
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)
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fn launch_tool(is_verbose bool, tname string, cmdname string) {
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vexe := pref.vexe_path()
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vroot := filepath.dir(vexe)
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compiler.set_vroot_folder(vroot)
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mut tname_index := os.args.index(cmdname)
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if tname_index == -1 {
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tname_index = os.args.len
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}
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mut compilation_options := os.args[1..tname_index].clone()
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tool_args := os.args[1..].join(' ')
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tool_exe := path_of_executable(os.realpath('$vroot/cmd/tools/$tname'))
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tool_source := os.realpath('$vroot/cmd/tools/${tname}.v')
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tool_command := '"$tool_exe" $tool_args'
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if is_verbose {
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eprintln('launch_tool vexe : $vroot')
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eprintln('launch_tool vroot : $vroot')
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eprintln('launch_tool tool_args : $tool_args')
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eprintln('launch_tool tool_command: $tool_command')
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}
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mut should_compile := false
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if !os.exists(tool_exe) {
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should_compile = true
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} else {
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if os.file_last_mod_unix(tool_exe) <= os.file_last_mod_unix(vexe) {
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// v was recompiled, maybe after v up ...
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// rebuild the tool too just in case
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should_compile = true
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}
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if os.file_last_mod_unix(tool_exe) <= os.file_last_mod_unix(tool_source) {
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// the user changed the source code of the tool
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should_compile = true
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}
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}
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if is_verbose {
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eprintln('launch_tool should_compile: $should_compile')
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}
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if should_compile {
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if tname == 'vfmt' {
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compilation_options << ['-d', 'vfmt']
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}
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compilation_args := compilation_options.join(' ')
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compilation_command := '"$vexe" $compilation_args "$tool_source"'
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if is_verbose {
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eprintln('Compiling $tname with: "$compilation_command"')
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}
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tool_compilation := os.exec(compilation_command) or { panic(err) }
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if tool_compilation.exit_code != 0 {
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panic('V tool "$tool_source" could not be compiled\n' + tool_compilation.output)
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}
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}
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if is_verbose {
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eprintln('launch_tool running tool command: $tool_command ...')
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}
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exit(os.system(tool_command))
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}
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fn path_of_executable(path string) string {
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$if windows {
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return path + '.exe'
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}
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return path
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}
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