71 lines
1.8 KiB
V
71 lines
1.8 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 os
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const (
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v_modules_path = os.home_dir() + '.vmodules'
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)
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// add a module and its deps (module speficic dag method)
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pub fn(graph mut DepGraph) from_import_tables(import_tables map[string]FileImportTable) {
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for _, fit in import_tables {
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mut deps := []string
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for _, m in fit.imports {
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deps << m
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}
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graph.add(fit.module_name, deps)
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}
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}
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// get ordered imports (module speficic dag method)
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pub fn(graph &DepGraph) imports() []string {
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mut mods := []string
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for node in graph.nodes {
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mods << node.name
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}
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return mods
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}
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fn (v &V) module_path(mod string) string {
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// submodule support
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if mod.contains('.') {
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return mod.replace('.', os.path_separator)
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// return mod.replace('.', '/')
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}
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return mod
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}
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// 'strings' => 'VROOT/vlib/strings'
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// 'installed_mod' => '~/.vmodules/installed_mod'
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// 'local_mod' => '/path/to/current/dir/local_mod'
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fn (v &V) find_module_path(mod string) ?string {
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mod_path := v.module_path(mod)
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// First check for local modules in the same directory
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mut import_path := os.getwd() + '${os.path_separator}$mod_path'
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// Now search in vlib/
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if mod == 'compiler' || !os.dir_exists(import_path) {
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import_path = '$v.lang_dir${os.path_separator}vlib${os.path_separator}$mod_path'
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}
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//println('ip=$import_path')
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// Finally try modules installed with vpm (~/.vmodules)
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if !os.dir_exists(import_path) {
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import_path = '$v_modules_path${os.path_separator}$mod_path'
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if !os.dir_exists(import_path){
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return error('module "$mod" not found')
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}
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}
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return import_path
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}
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[inline] fn mod_gen_name(mod string) string {
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return mod.replace('.', '_dot_')
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}
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[inline] fn mod_gen_name_rev(mod string) string {
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return mod.replace('_dot_', '.')
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}
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