1108 lines
30 KiB
V
1108 lines
30 KiB
V
// Copyright (c) 2019 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 compiler
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import (
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os
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strings
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filepath
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)
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pub const (
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Version = '0.1.22'
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)
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enum BuildMode {
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// `v program.v'
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// Build user code only, and add pre-compiled vlib (`cc program.o builtin.o os.o...`)
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default_mode
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// `v -lib ~/v/os`
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// build any module (generate os.o + os.vh)
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build_module
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}
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const (
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supported_platforms = ['windows', 'mac', 'linux', 'freebsd', 'openbsd',
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'netbsd', 'dragonfly', 'android', 'js', 'solaris']
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)
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enum OS {
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mac
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linux
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windows
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freebsd
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openbsd
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netbsd
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dragonfly
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js // TODO
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android
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solaris
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}
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enum Pass {
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// A very short pass that only looks at imports in the beginning of
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// each file
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imports
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// First pass, only parses and saves declarations (fn signatures,
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// consts, types).
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// Skips function bodies.
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// We need this because in V things can be used before they are
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// declared.
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decl
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// Second pass, parses function bodies and generates C or machine code.
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main
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}
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struct V {
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pub mut:
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os OS // the OS to build for
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out_name_c string // name of the temporary C file
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files []string // all V files that need to be parsed and compiled
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dir string // directory (or file) being compiled (TODO rename to path?)
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table &Table // table with types, vars, functions etc
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cgen &CGen // C code generator
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pref &Preferences // all the preferences and settings extracted to a struct for reusability
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lang_dir string // "~/code/v"
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out_name string // "program.exe"
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vroot string
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mod string // module being built with -lib
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parsers []Parser // file parsers
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vgen_buf strings.Builder // temporary buffer for generated V code (.str() etc)
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file_parser_idx map[string]int // map absolute file path to v.parsers index
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cached_mods []string
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}
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struct Preferences {
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pub mut:
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build_mode BuildMode
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//nofmt bool // disable vfmt
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is_test bool // `v test string_test.v`
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is_script bool // single file mode (`v program.v`), main function can be skipped
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is_live bool // for hot code reloading
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is_so bool
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is_prof bool // benchmark every function
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translated bool // `v translate doom.v` are we running V code translated from C? allow globals, ++ expressions, etc
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is_prod bool // use "-O2"
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is_verbose bool // print extra information with `v.log()`
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obfuscate bool // `v -obf program.v`, renames functions to "f_XXX"
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is_repl bool
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is_run bool
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show_c_cmd bool // `v -show_c_cmd` prints the C command to build program.v.c
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sanitize bool // use Clang's new "-fsanitize" option
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is_debug bool // false by default, turned on by -g or -cg, it tells v to pass -g to the C backend compiler.
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is_vlines bool // turned on by -g, false by default (it slows down .tmp.c generation slightly).
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is_keep_c bool // -keep_c , tell v to leave the generated .tmp.c alone (since by default v will delete them after c backend finishes)
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// NB: passing -cg instead of -g will set is_vlines to false and is_g to true, thus making v generate cleaner C files,
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// which are sometimes easier to debug / inspect manually than the .tmp.c files by plain -g (when/if v line number generation breaks).
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is_cache bool // turns on v usage of the module cache to speed up compilation.
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is_stats bool // `v -stats file_test.v` will produce more detailed statistics for the tests that were run
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no_auto_free bool // `v -nofree` disable automatic `free()` insertion for better performance in some applications (e.g. compilers)
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cflags string // Additional options which will be passed to the C compiler.
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// For example, passing -cflags -Os will cause the C compiler to optimize the generated binaries for size.
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// You could pass several -cflags XXX arguments. They will be merged with each other.
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// You can also quote several options at the same time: -cflags '-Os -fno-inline-small-functions'.
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ccompiler string // the name of the used C compiler
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building_v bool
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autofree bool
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compress bool
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//skip_builtin bool // Skips re-compilation of the builtin module
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// to increase compilation time.
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// This is on by default, since a vast majority of users do not
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// work on the builtin module itself.
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//generating_vh bool
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comptime_define string // -D vfmt for `if $vfmt {`
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fast bool // use tcc/x64 codegen
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enable_globals bool // allow __global for low level code
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is_fmt bool
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is_bare bool
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}
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// Should be called by main at the end of the compilation process, to cleanup
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pub fn (v mut V) finalize_compilation(){
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// TODO remove
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if v.pref.autofree {
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/*
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println('started freeing v struct')
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v.table.typesmap.free()
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v.table.obf_ids.free()
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v.cgen.lines.free()
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free(v.cgen)
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for _, f in v.table.fns {
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//f.local_vars.free()
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f.args.free()
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//f.defer_text.free()
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}
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v.table.fns.free()
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free(v.table)
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//for p in parsers {}
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println('done!')
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*/
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}
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}
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pub fn (v mut V) add_parser(parser Parser) int {
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v.parsers << parser
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pidx := v.parsers.len-1
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v.file_parser_idx[os.realpath(parser.file_path)] = pidx
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return pidx
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}
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pub fn (v &V) get_file_parser_index(file string) ?int {
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file_path := os.realpath(file)
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if file_path in v.file_parser_idx {
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return v.file_parser_idx[file_path]
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}
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return error('parser for "$file" not found')
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}
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// find existing parser or create new one. returns v.parsers index
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pub fn (v mut V) parse(file string, pass Pass) int {
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//println('parse($file, $pass)')
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pidx := v.get_file_parser_index(file) or {
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mut p := v.new_parser_from_file(file)
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p.parse(pass)
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//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
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return v.add_parser(p)
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}
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// println('matched ' + v.parsers[pidx].file_path + ' with $file')
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v.parsers[pidx].parse(pass)
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//if v.parsers[i].pref.autofree { v.parsers[i].scanner.text.free() free(v.parsers[i].scanner) }
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return pidx
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}
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pub fn (v mut V) compile() {
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// Emily: Stop people on linux from being able to build with msvc
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if os.user_os() != 'windows' && v.pref.ccompiler == 'msvc' {
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verror('Cannot build with msvc on ${os.user_os()}')
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}
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mut cgen := v.cgen
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cgen.genln('// Generated by V')
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if v.pref.is_verbose {
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println('all .v files before:')
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println(v.files)
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}
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v.add_v_files_to_compile()
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if v.pref.is_verbose || v.pref.is_debug {
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println('all .v files:')
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println(v.files)
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}
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/*
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if v.pref.is_debug {
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println('\nparsers:')
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for q in v.parsers {
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println(q.file_name)
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}
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println('\nfiles:')
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for q in v.files {
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println(q)
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}
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}
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*/
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// First pass (declarations)
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for file in v.files {
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v.parse(file, .decl)
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}
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// Main pass
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cgen.pass = .main
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if v.pref.is_debug {
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$if js {
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cgen.genln('const VDEBUG = 1;\n')
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} $else {
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cgen.genln('#define VDEBUG (1)')
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}
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}
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if v.os == .js {
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cgen.genln('#define _VJS (1) ')
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}
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v_hash := vhash()
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$if js {
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cgen.genln('const V_COMMIT_HASH = "$v_hash";\n')
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} $else {
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cgen.genln('#ifndef V_COMMIT_HASH')
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cgen.genln('#define V_COMMIT_HASH "$v_hash"')
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cgen.genln('#endif')
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}
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q := cgen.nogen // TODO hack
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cgen.nogen = false
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$if js {
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cgen.genln(js_headers)
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} $else {
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if !v.pref.is_bare {
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cgen.genln('#include <inttypes.h>') // int64_t etc
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} else {
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cgen.genln('#include <stdint.h>')
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}
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cgen.genln(c_builtin_types)
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if !v.pref.is_bare {
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cgen.genln(c_headers)
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}
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}
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v.generate_hotcode_reloading_declarations()
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// We need the cjson header for all the json decoding that will be done in
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// default mode
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imports_json := 'json' in v.table.imports
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if v.pref.build_mode == .default_mode {
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if imports_json {
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cgen.genln('#include "cJSON.h"')
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}
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}
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if v.pref.build_mode == .default_mode {
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// If we declare these for all modes, then when running `v a.v` we'll get
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// `/usr/bin/ld: multiple definition of 'total_m'`
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$if !js {
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cgen.genln('int g_test_oks = 0;')
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cgen.genln('int g_test_fails = 0;')
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}
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if imports_json {
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cgen.genln('
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#define js_get(object, key) cJSON_GetObjectItemCaseSensitive((object), (key))
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')
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}
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}
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if '-debug_alloc' in os.args {
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cgen.genln('#define DEBUG_ALLOC 1')
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}
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//cgen.genln('/*================================== FNS =================================*/')
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cgen.genln('// this line will be replaced with definitions')
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mut defs_pos := cgen.lines.len - 1
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if defs_pos == -1 {
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defs_pos = 0
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}
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cgen.nogen = q
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for i, file in v.files {
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v.parse(file, .main)
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//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
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// Format all files (don't format automatically generated vlib headers)
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//if !v.pref.nofmt && !file.contains('/vlib/') {
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// new vfmt is not ready yet
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//}
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}
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// Generate .vh if we are building a module
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if v.pref.build_mode == .build_module {
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generate_vh(v.dir)
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}
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// parse generated V code (str() methods etc)
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mut vgen_parser := v.new_parser_from_string(v.vgen_buf.str())
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// free the string builder which held the generated methods
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vgen_parser.is_vgen = true
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v.vgen_buf.free()
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vgen_parser.parse(.main)
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// v.parsers.add(vgen_parser)
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// All definitions
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mut def := strings.new_builder(10000)// Avoid unnecessary allocations
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$if !js {
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def.writeln(cgen.includes.join_lines())
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def.writeln(cgen.typedefs.join_lines())
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def.writeln(v.type_definitions())
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if !v.pref.is_bare {
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def.writeln('\nstring _STR(const char*, ...);\n')
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def.writeln('\nstring _STR_TMP(const char*, ...);\n')
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}
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def.writeln(cgen.fns.join_lines()) // fn definitions
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def.writeln(v.interface_table())
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} $else {
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def.writeln(v.type_definitions())
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}
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def.writeln(cgen.consts.join_lines())
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def.writeln(cgen.thread_args.join_lines())
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if v.pref.is_prof {
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def.writeln('; // Prof counters:')
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def.writeln(v.prof_counters())
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}
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cgen.lines[defs_pos] = def.str()
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v.generate_init()
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v.generate_main()
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v.generate_hot_reload_code()
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if v.pref.is_verbose {
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v.log('flags=')
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for flag in v.get_os_cflags() {
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println(' * ' + flag.format())
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}
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}
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$if js {
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cgen.genln('main__main();')
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}
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cgen.save()
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v.cc()
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}
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fn (v mut V) generate_init() {
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$if js { return }
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if v.pref.build_mode == .build_module {
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nogen := v.cgen.nogen
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v.cgen.nogen = false
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consts_init_body := v.cgen.consts_init.join_lines()
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init_fn_name := mod_gen_name(v.mod) + '__init_consts'
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v.cgen.genln('void ${init_fn_name}();\nvoid ${init_fn_name}() {\n$consts_init_body\n}')
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v.cgen.nogen = nogen
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}
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if v.pref.build_mode == .default_mode {
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mut call_mod_init := ''
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mut call_mod_init_consts := ''
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if 'builtin' in v.cached_mods {
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v.cgen.genln('void builtin__init_consts();')
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call_mod_init_consts += 'builtin__init_consts();\n'
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}
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for mod in v.table.imports {
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init_fn_name := mod_gen_name(mod) + '__init'
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if v.table.known_fn(init_fn_name) {
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call_mod_init += '${init_fn_name}();\n'
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}
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if mod in v.cached_mods {
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v.cgen.genln('void ${init_fn_name}_consts();')
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call_mod_init_consts += '${init_fn_name}_consts();\n'
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}
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}
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consts_init_body := v.cgen.consts_init.join_lines()
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if !v.pref.is_bare {
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// vlib can't have `init_consts()`
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v.cgen.genln('void init() {
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g_str_buf=malloc(1000);
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$call_mod_init_consts
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$consts_init_body
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builtin__init();
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$call_mod_init
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}')
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// _STR function can't be defined in vlib
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v.cgen.genln('
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string _STR(const char *fmt, ...) {
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va_list argptr;
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va_start(argptr, fmt);
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size_t len = vsnprintf(0, 0, fmt, argptr) + 1;
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va_end(argptr);
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byte* buf = malloc(len);
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va_start(argptr, fmt);
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vsprintf((char *)buf, fmt, argptr);
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va_end(argptr);
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#ifdef DEBUG_ALLOC
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puts("_STR:");
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puts(buf);
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#endif
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return tos2(buf);
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}
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string _STR_TMP(const char *fmt, ...) {
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va_list argptr;
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va_start(argptr, fmt);
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//size_t len = vsnprintf(0, 0, fmt, argptr) + 1;
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va_end(argptr);
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va_start(argptr, fmt);
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vsprintf((char *)g_str_buf, fmt, argptr);
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va_end(argptr);
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#ifdef DEBUG_ALLOC
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//puts("_STR_TMP:");
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//puts(g_str_buf);
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#endif
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return tos2(g_str_buf);
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}
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')
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}
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}
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}
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pub fn (v mut V) generate_main() {
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mut cgen := v.cgen
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$if js { return }
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if v.pref.is_vlines {
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// After this point, the v files are compiled.
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// The rest is auto generated code, which will not have
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// different .v source file/line numbers.
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lines_so_far := cgen.lines.join('\n').count('\n') + 5
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cgen.genln('')
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cgen.genln('// Reset the file/line numbers')
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cgen.lines << '#line $lines_so_far "${cescaped_path(os.realpath(cgen.out_path))}"'
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cgen.genln('')
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}
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// Make sure the main function exists
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// Obviously we don't need it in libraries
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if v.pref.build_mode != .build_module {
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if !v.table.main_exists() && !v.pref.is_test {
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// It can be skipped in single file programs
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if v.pref.is_script {
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//println('Generating main()...')
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v.gen_main_start(true)
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cgen.genln('$cgen.fn_main;')
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v.gen_main_end('return 0')
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}
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else {
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verror('function `main` is not declared in the main module')
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}
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}
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else if v.pref.is_test {
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if v.table.main_exists() {
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verror('test files cannot have function `main`')
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}
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if !v.table.has_at_least_one_test_fn() {
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verror('test files need to have at least one test function')
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}
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// Generate a C `main`, which calls every single test function
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v.gen_main_start(false)
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if v.pref.is_stats { cgen.genln('BenchedTests bt = main__start_testing();') }
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for _, f in v.table.fns {
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if f.name.starts_with('main__test_') {
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if v.pref.is_stats { cgen.genln('BenchedTests_testing_step_start(&bt, tos3("$f.name"));') }
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cgen.genln('$f.name();')
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if v.pref.is_stats { cgen.genln('BenchedTests_testing_step_end(&bt);') }
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}
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}
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if v.pref.is_stats { cgen.genln('BenchedTests_end_testing(&bt);') }
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v.gen_main_end('return g_test_fails > 0')
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}
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else if v.table.main_exists() {
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v.gen_main_start(true)
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cgen.genln(' main__main();')
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v.gen_main_end('return 0')
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}
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}
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}
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pub fn (v mut V) gen_main_start(add_os_args bool){
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v.cgen.genln('int main(int argc, char** argv) { ')
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if !v.pref.is_bare {
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v.cgen.genln(' init();')
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}
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if add_os_args && 'os' in v.table.imports {
|
|
v.cgen.genln(' os__args = os__init_os_args(argc, (byteptr*)argv);')
|
|
}
|
|
v.generate_hotcode_reloading_main_caller()
|
|
v.cgen.genln('')
|
|
}
|
|
pub fn (v mut V) gen_main_end(return_statement string){
|
|
v.cgen.genln('')
|
|
v.cgen.genln(' $return_statement;')
|
|
v.cgen.genln('}')
|
|
}
|
|
|
|
pub fn final_target_out_name(out_name string) string {
|
|
$if windows {
|
|
return out_name.replace('/', '\\') + '.exe'
|
|
}
|
|
return if out_name.starts_with('/') {
|
|
out_name
|
|
}
|
|
else {
|
|
'./' + out_name
|
|
}
|
|
}
|
|
|
|
pub fn (v V) run_compiled_executable_and_exit() {
|
|
args := env_vflags_and_os_args()
|
|
|
|
if v.pref.is_verbose {
|
|
println('============ running $v.out_name ============')
|
|
}
|
|
mut cmd := '"' + final_target_out_name(v.out_name).replace('.exe','') + '"'
|
|
|
|
mut args_after := ' '
|
|
for i,a in args {
|
|
if i == 0 { continue }
|
|
if a.starts_with('-') { continue }
|
|
if a in ['run','test'] {
|
|
args_after += args[i+2..].join(' ')
|
|
break
|
|
}
|
|
}
|
|
cmd += args_after
|
|
|
|
if v.pref.is_test {
|
|
ret := os.system(cmd)
|
|
if ret != 0 {
|
|
exit(1)
|
|
}
|
|
}
|
|
if v.pref.is_run {
|
|
ret := os.system(cmd)
|
|
// TODO: make the runner wrapping as transparent as possible
|
|
// (i.e. use execve when implemented). For now though, the runner
|
|
// just returns the same exit code as the child process.
|
|
exit( ret )
|
|
}
|
|
exit(0)
|
|
}
|
|
|
|
pub fn (v &V) v_files_from_dir(dir string) []string {
|
|
mut res := []string
|
|
if !os.file_exists(dir) {
|
|
if dir == 'compiler' && os.dir_exists('vlib') {
|
|
println('looks like you are trying to build V with an old command')
|
|
println('use `v -o v v.v` instead of `v -o v compiler`')
|
|
}
|
|
verror("$dir doesn't exist")
|
|
} else if !os.dir_exists(dir) {
|
|
verror("$dir isn't a directory")
|
|
}
|
|
mut files := os.ls(dir) or { panic(err) }
|
|
if v.pref.is_verbose {
|
|
println('v_files_from_dir ("$dir")')
|
|
}
|
|
files.sort()
|
|
for file in files {
|
|
if !file.ends_with('.v') && !file.ends_with('.vh') {
|
|
continue
|
|
}
|
|
if file.ends_with('_test.v') {
|
|
continue
|
|
}
|
|
if (file.ends_with('_win.v') || file.ends_with('_windows.v')) && v.os != .windows {
|
|
continue
|
|
}
|
|
if (file.ends_with('_lin.v') || file.ends_with('_linux.v')) && v.os != .linux {
|
|
continue
|
|
}
|
|
if (file.ends_with('_mac.v') || file.ends_with('_darwin.v')) && v.os != .mac {
|
|
continue
|
|
}
|
|
if file.ends_with('_nix.v') && v.os == .windows {
|
|
continue
|
|
}
|
|
if file.ends_with('_js.v') && v.os != .js {
|
|
continue
|
|
}
|
|
if file.ends_with('_c.v') && v.os == .js {
|
|
continue
|
|
}
|
|
res << '$dir${os.path_separator}$file'
|
|
}
|
|
return res
|
|
}
|
|
|
|
// Parses imports, adds necessary libs, and then user files
|
|
pub fn (v mut V) add_v_files_to_compile() {
|
|
mut builtin_files := v.get_builtin_files()
|
|
if v.pref.is_bare {
|
|
//builtin_files = []
|
|
}
|
|
// Builtin cache exists? Use it.
|
|
builtin_vh := '$v_modules_path${os.path_separator}vlib${os.path_separator}builtin.vh'
|
|
if v.pref.is_cache && os.file_exists(builtin_vh) {
|
|
v.cached_mods << 'builtin'
|
|
builtin_files = [builtin_vh]
|
|
}
|
|
// Parse builtin imports
|
|
for file in builtin_files {
|
|
// add builtins first
|
|
v.files << file
|
|
mut p := v.new_parser_from_file(file)
|
|
p.parse(.imports)
|
|
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
|
|
v.add_parser(p)
|
|
}
|
|
// Parse user imports
|
|
for file in v.get_user_files() {
|
|
mut p := v.new_parser_from_file(file)
|
|
p.parse(.imports)
|
|
if p.v_script {
|
|
v.log('imports0:')
|
|
println(v.table.imports)
|
|
println(v.files)
|
|
p.register_import('os', 0)
|
|
p.table.imports << 'os'
|
|
p.table.register_module('os')
|
|
}
|
|
//if p.pref.autofree { p.scanner.text.free() free(p.scanner) }
|
|
v.add_parser(p)
|
|
}
|
|
// Parse lib imports
|
|
v.parse_lib_imports()
|
|
if v.pref.is_verbose {
|
|
v.log('imports:')
|
|
println(v.table.imports)
|
|
}
|
|
// resolve deps and add imports in correct order
|
|
imported_mods := v.resolve_deps().imports()
|
|
for mod in imported_mods {
|
|
if mod == 'builtin' || mod == 'main' {
|
|
// builtin already added
|
|
// main files will get added last
|
|
continue
|
|
}
|
|
// use cached built module if exists
|
|
if v.pref.build_mode != .build_module && !mod.contains('vweb') {
|
|
mod_path := mod.replace('.', os.path_separator)
|
|
vh_path := '$v_modules_path${os.path_separator}vlib${os.path_separator}${mod_path}.vh'
|
|
if v.pref.is_cache && os.file_exists(vh_path) {
|
|
eprintln('using cached module `$mod`: $vh_path')
|
|
v.cached_mods << mod
|
|
v.files << vh_path
|
|
continue
|
|
}
|
|
}
|
|
// standard module
|
|
vfiles := v.get_imported_module_files(mod)
|
|
for file in vfiles {
|
|
v.files << file
|
|
}
|
|
}
|
|
// add remaining main files last
|
|
for p in v.parsers {
|
|
if p.mod != 'main' { continue }
|
|
v.files << p.file_path
|
|
}
|
|
}
|
|
|
|
pub fn (v &V) get_builtin_files() []string {
|
|
// .vh cache exists? Use it
|
|
if v.pref.is_bare {
|
|
return v.v_files_from_dir(filepath.join(v.vroot, 'vlib', 'builtin', 'bare'))
|
|
}
|
|
$if js {
|
|
return v.v_files_from_dir('$v.vroot${os.path_separator}vlib${os.path_separator}builtin${os.path_separator}js')
|
|
}
|
|
return v.v_files_from_dir('$v.vroot${os.path_separator}vlib${os.path_separator}builtin')
|
|
}
|
|
|
|
// get user files
|
|
pub fn (v &V) get_user_files() []string {
|
|
mut dir := v.dir
|
|
v.log('get_v_files($dir)')
|
|
// Need to store user files separately, because they have to be added after
|
|
// libs, but we dont know which libs need to be added yet
|
|
mut user_files := []string
|
|
|
|
if v.pref.is_test {
|
|
// TODO this somtimes fails on CI
|
|
user_files << filepath.join(v.vroot,'vlib','compiler','preludes','tests_assertions.v')
|
|
}
|
|
|
|
if v.pref.is_test && v.pref.is_stats {
|
|
user_files << filepath.join(v.vroot,'vlib','compiler','preludes','tests_with_stats.v')
|
|
}
|
|
|
|
// v volt/slack_test.v: compile all .v files to get the environment
|
|
// I need to implement user packages! TODO
|
|
is_test_with_imports := dir.ends_with('_test.v') &&
|
|
(dir.contains('${os.path_separator}volt') || dir.contains('${os.path_separator}c2volt'))// TODO
|
|
if is_test_with_imports {
|
|
user_files << dir
|
|
pos := dir.last_index(os.path_separator)
|
|
dir = dir[..pos] + os.path_separator// TODO why is this needed
|
|
}
|
|
if dir.ends_with('.v') || dir.ends_with('.vsh') {
|
|
// Just compile one file and get parent dir
|
|
user_files << dir
|
|
dir = dir.all_before(os.path_separator)
|
|
}
|
|
else {
|
|
// Add .v files from the directory being compiled
|
|
files := v.v_files_from_dir(dir)
|
|
for file in files {
|
|
user_files << file
|
|
}
|
|
}
|
|
if user_files.len == 0 {
|
|
println('No input .v files')
|
|
exit(1)
|
|
}
|
|
if v.pref.is_verbose {
|
|
v.log('user_files:')
|
|
println(user_files)
|
|
}
|
|
return user_files
|
|
}
|
|
|
|
// get module files from already parsed imports
|
|
fn (v &V) get_imported_module_files(mod string) []string {
|
|
mut files := []string
|
|
for p in v.parsers {
|
|
if p.mod == mod {
|
|
files << p.file_path
|
|
}
|
|
}
|
|
return files
|
|
}
|
|
|
|
// parse deps from already parsed builtin/user files
|
|
pub fn (v mut V) parse_lib_imports() {
|
|
mut done_imports := []string
|
|
for i in 0..v.parsers.len {
|
|
for _, mod in v.parsers[i].import_table.imports {
|
|
if mod in done_imports { continue }
|
|
import_path := v.find_module_path(mod) or {
|
|
v.parsers[i].error_with_token_index(
|
|
'cannot import module "$mod" (not found)',
|
|
v.parsers[i].import_table.get_import_tok_idx(mod))
|
|
break
|
|
}
|
|
vfiles := v.v_files_from_dir(import_path)
|
|
if vfiles.len == 0 {
|
|
v.parsers[i].error_with_token_index(
|
|
'cannot import module "$mod" (no .v files in "$import_path")',
|
|
v.parsers[i].import_table.get_import_tok_idx(mod))
|
|
}
|
|
// Add all imports referenced by these libs
|
|
for file in vfiles {
|
|
pidx := v.parse(file, .imports)
|
|
p_mod := v.parsers[pidx].mod
|
|
if p_mod != mod {
|
|
v.parsers[pidx].error_with_token_index(
|
|
'bad module definition: ${v.parsers[pidx].file_path} imports module "$mod" but $file is defined as module `$p_mod`', 1)
|
|
}
|
|
}
|
|
done_imports << mod
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn get_arg(joined_args, arg, def string) string {
|
|
return get_param_after(joined_args, '-$arg', def)
|
|
}
|
|
|
|
pub fn get_param_after(joined_args, arg, def string) string {
|
|
key := '$arg '
|
|
mut pos := joined_args.index(key)
|
|
if pos == -1 {
|
|
return def
|
|
}
|
|
pos += key.len
|
|
mut space := joined_args.index_after(' ', pos)
|
|
if space == -1 {
|
|
space = joined_args.len
|
|
}
|
|
res := joined_args[pos..space]
|
|
return res
|
|
}
|
|
|
|
pub fn (v &V) log(s string) {
|
|
if !v.pref.is_verbose {
|
|
return
|
|
}
|
|
println(s)
|
|
}
|
|
|
|
pub fn new_v(args[]string) &V {
|
|
// Create modules dirs if they are missing
|
|
if !os.dir_exists(v_modules_path) {
|
|
os.mkdir(v_modules_path)
|
|
os.mkdir('$v_modules_path${os.path_separator}cache')
|
|
}
|
|
|
|
// Location of all vlib files
|
|
vroot := os.dir(vexe_path())
|
|
|
|
mut vgen_buf := strings.new_builder(1000)
|
|
vgen_buf.writeln('module vgen\nimport strings')
|
|
|
|
joined_args := args.join(' ')
|
|
|
|
target_os := get_arg(joined_args, 'os', '')
|
|
comptime_define := get_arg(joined_args, 'd', '')
|
|
//println('comptimedefine=$comptime_define')
|
|
mut out_name := get_arg(joined_args, 'o', 'a.out')
|
|
|
|
mut dir := args.last()
|
|
if 'run' in args {
|
|
dir = get_param_after(joined_args, 'run', '')
|
|
}
|
|
if dir.ends_with(os.path_separator) {
|
|
dir = dir.all_before_last(os.path_separator)
|
|
}
|
|
if dir.starts_with('.$os.path_separator') {
|
|
dir = dir[2..]
|
|
}
|
|
if args.len < 2 {
|
|
dir = ''
|
|
}
|
|
// build mode
|
|
mut build_mode := BuildMode.default_mode
|
|
mut mod := ''
|
|
if joined_args.contains('build module ') {
|
|
build_mode = .build_module
|
|
os.chdir(vroot)
|
|
// v build module ~/v/os => os.o
|
|
mod_path := if dir.contains('vlib') {
|
|
dir.all_after('vlib'+os.path_separator)
|
|
}
|
|
else if dir.starts_with('.\\') || dir.starts_with('./') {
|
|
dir[2..]
|
|
}
|
|
else if dir.starts_with(os.path_separator) {
|
|
dir.all_after(os.path_separator)
|
|
} else {
|
|
dir
|
|
}
|
|
mod = mod_path.replace(os.path_separator, '.')
|
|
println('Building module "${mod}" (dir="$dir")...')
|
|
//out_name = '$TmpPath/vlib/${base}.o'
|
|
if !out_name.ends_with('.c') {
|
|
out_name = mod
|
|
}
|
|
// Cross compiling? Use separate dirs for each os
|
|
/*
|
|
if target_os != os.user_os() {
|
|
os.mkdir('$TmpPath/vlib/$target_os')
|
|
out_name = '$TmpPath/vlib/$target_os/${base}.o'
|
|
println('target_os=$target_os user_os=${os.user_os()}')
|
|
println('!Cross compiling $out_name')
|
|
}
|
|
*/
|
|
}
|
|
is_test := dir.ends_with('_test.v')
|
|
is_script := dir.ends_with('.v') || dir.ends_with('.vsh')
|
|
if is_script && !os.file_exists(dir) {
|
|
println('`$dir` does not exist')
|
|
exit(1)
|
|
}
|
|
// No -o provided? foo.v => foo
|
|
if out_name == 'a.out' && dir.ends_with('.v') && dir != '.v' {
|
|
out_name = dir[..dir.len - 2]
|
|
// Building V? Use v2, since we can't overwrite a running
|
|
// executable on Windows + the precompiled V is more
|
|
// optimized.
|
|
if out_name == 'v' && os.dir_exists('vlib/compiler') {
|
|
println('Saving the resulting V executable in `./v2`')
|
|
println('Use `v -o v v.v` if you want to replace current '+
|
|
'V executable.')
|
|
out_name = 'v2'
|
|
}
|
|
}
|
|
// if we are in `/foo` and run `v .`, the executable should be `foo`
|
|
if dir == '.' && out_name == 'a.out' {
|
|
base := os.getwd().all_after(os.path_separator)
|
|
out_name = base.trim_space()
|
|
}
|
|
// `v -o dir/exec`, create "dir/" if it doesn't exist
|
|
if out_name.contains(os.path_separator) {
|
|
d := out_name.all_before_last(os.path_separator)
|
|
if !os.dir_exists(d) {
|
|
println('creating a new directory "$d"')
|
|
os.mkdir(d)
|
|
}
|
|
}
|
|
mut _os := OS.mac
|
|
// No OS specifed? Use current system
|
|
if target_os == '' {
|
|
$if linux {
|
|
_os = .linux
|
|
}
|
|
$if mac {
|
|
_os = .mac
|
|
}
|
|
$if windows {
|
|
_os = .windows
|
|
}
|
|
$if freebsd {
|
|
_os = .freebsd
|
|
}
|
|
$if openbsd {
|
|
_os = .openbsd
|
|
}
|
|
$if netbsd {
|
|
_os = .netbsd
|
|
}
|
|
$if dragonfly {
|
|
_os = .dragonfly
|
|
}
|
|
$if solaris {
|
|
_os = .solaris
|
|
}
|
|
}
|
|
else {
|
|
_os = os_from_string(target_os)
|
|
}
|
|
//println('VROOT=$vroot')
|
|
// v.exe's parent directory should contain vlib
|
|
if !os.dir_exists(vroot) || !os.dir_exists(vroot + '/vlib/builtin') {
|
|
//println('vlib not found, downloading it...')
|
|
/*
|
|
ret := os.system('git clone --depth=1 https://github.com/vlang/v .')
|
|
if ret != 0 {
|
|
println('failed to `git clone` vlib')
|
|
println('make sure you are online and have git installed')
|
|
exit(1)
|
|
}
|
|
*/
|
|
println('vlib not found. It should be next to the V executable. ')
|
|
println('Go to https://vlang.io to install V.')
|
|
exit(1)
|
|
}
|
|
|
|
mut out_name_c := get_vtmp_filename( out_name, '.tmp.c')
|
|
|
|
cflags := get_cmdline_cflags(args)
|
|
|
|
rdir := os.realpath( dir )
|
|
rdir_name := os.filename( rdir )
|
|
|
|
obfuscate := '-obf' in args
|
|
is_repl := '-repl' in args
|
|
pref := &Preferences {
|
|
is_test: is_test
|
|
is_script: is_script
|
|
is_so: '-shared' in args
|
|
is_prod: '-prod' in args
|
|
is_verbose: '-verbose' in args || '--verbose' in args
|
|
|
|
is_debug: '-g' in args || '-cg' in args
|
|
is_vlines: '-g' in args && !('-cg' in args)
|
|
is_keep_c: '-keep_c' in args
|
|
is_cache: '-cache' in args
|
|
|
|
is_stats: '-stats' in args
|
|
obfuscate: obfuscate
|
|
is_prof: '-prof' in args
|
|
is_live: '-live' in args
|
|
sanitize: '-sanitize' in args
|
|
//nofmt: '-nofmt' in args
|
|
show_c_cmd: '-show_c_cmd' in args
|
|
translated: 'translated' in args
|
|
is_run: 'run' in args
|
|
autofree: '-autofree' in args
|
|
compress: '-compress' in args
|
|
enable_globals: '--enable-globals' in args
|
|
fast: '-fast' in args
|
|
is_bare: '-bare' in args
|
|
is_repl: is_repl
|
|
build_mode: build_mode
|
|
cflags: cflags
|
|
ccompiler: find_c_compiler()
|
|
building_v: !is_repl && (rdir_name == 'compiler' || rdir_name == 'v.v' || dir.contains('vlib'))
|
|
comptime_define: comptime_define
|
|
is_fmt: comptime_define == 'vfmt'
|
|
}
|
|
if pref.is_verbose || pref.is_debug {
|
|
println('C compiler=$pref.ccompiler')
|
|
}
|
|
if pref.is_so {
|
|
out_name_c = get_vtmp_filename( out_name, '.tmp.so.c')
|
|
}
|
|
$if !linux {
|
|
if pref.is_bare && !out_name.ends_with('.c') {
|
|
verror('-bare only works on Linux for now')
|
|
}
|
|
}
|
|
return &V{
|
|
os: _os
|
|
out_name: out_name
|
|
dir: dir
|
|
lang_dir: vroot
|
|
table: new_table(obfuscate)
|
|
out_name_c: out_name_c
|
|
cgen: new_cgen(out_name_c)
|
|
vroot: vroot
|
|
pref: pref
|
|
mod: mod
|
|
vgen_buf: vgen_buf
|
|
}
|
|
}
|
|
|
|
pub fn env_vflags_and_os_args() []string {
|
|
vosargs := os.getenv('VOSARGS')
|
|
if '' != vosargs { return vosargs.split(' ') }
|
|
|
|
mut args := []string
|
|
vflags := os.getenv('VFLAGS')
|
|
if '' != vflags {
|
|
args << os.args[0]
|
|
args << vflags.split(' ')
|
|
if os.args.len > 1 {
|
|
args << os.args[1..]
|
|
}
|
|
} else{
|
|
args << os.args
|
|
}
|
|
return args
|
|
}
|
|
|
|
pub fn vfmt(args[]string) {
|
|
println('running vfmt...')
|
|
file := args.last()
|
|
if !os.file_exists(file) {
|
|
println('"$file" does not exist')
|
|
exit(1)
|
|
}
|
|
if !file.ends_with('.v') {
|
|
println('v fmt can only be used on .v files')
|
|
exit(1)
|
|
}
|
|
}
|
|
|
|
pub fn create_symlink() {
|
|
vexe := vexe_path()
|
|
link_path := '/usr/local/bin/v'
|
|
ret := os.system('ln -sf $vexe $link_path')
|
|
if ret == 0 {
|
|
println('symlink "$link_path" has been created')
|
|
} else {
|
|
println('failed to create symlink "$link_path", '+
|
|
'make sure you run with sudo')
|
|
}
|
|
}
|
|
|
|
pub fn vexe_path() string {
|
|
vexe := os.getenv('VEXE')
|
|
if '' != vexe { return vexe }
|
|
return os.executable()
|
|
}
|
|
|
|
pub fn verror(s string) {
|
|
println('V error: $s')
|
|
os.flush_stdout()
|
|
exit(1)
|
|
}
|
|
|
|
pub fn vhash() string {
|
|
mut buf := [50]byte
|
|
buf[0] = 0
|
|
C.snprintf(*char(buf), 50, '%s', C.V_COMMIT_HASH )
|
|
return tos_clone(buf)
|
|
}
|
|
|
|
pub fn cescaped_path(s string) string {
|
|
return s.replace('\\','\\\\')
|
|
}
|
|
|
|
pub fn os_from_string(os string) OS {
|
|
match os {
|
|
'linux' { return .linux}
|
|
'windows' { return .windows}
|
|
'mac' { return .mac}
|
|
'freebsd' { return .freebsd}
|
|
'openbsd' { return .openbsd}
|
|
'netbsd' { return .netbsd}
|
|
'dragonfly' { return .dragonfly}
|
|
'js' { return .js}
|
|
'solaris' { return .solaris}
|
|
'android' { return .android}
|
|
'msvc' {
|
|
// notice that `-os msvc` became `-cc msvc`
|
|
verror('use the flag `-cc msvc` to build using msvc')
|
|
}
|
|
}
|
|
println('bad os $os') // todo panic?
|
|
return .linux
|
|
}
|
|
|
|
//
|
|
|
|
pub fn set_vroot_folder(vroot_path string) {
|
|
// Preparation for the compiler module:
|
|
// VEXE env variable is needed so that compiler.vexe_path()
|
|
// can return it later to whoever needs it:
|
|
mut vname := if os.user_os() == 'windows' { 'v.exe' } else { 'v' }
|
|
os.setenv('VEXE', os.realpath( [vroot_path, vname].join(os.path_separator) ), true)
|
|
}
|
|
|
|
pub fn new_v_compiler_with_args(args []string) &V {
|
|
vexe := vexe_path()
|
|
mut allargs := [vexe]
|
|
allargs << args
|
|
os.setenv('VOSARGS', allargs.join(' '), true)
|
|
return new_v(allargs)
|
|
}
|