From dd96421a9f9caa17df6ddc5dacf6b5bf9691ce78 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Thu, 19 Mar 2020 13:24:57 +0100
Subject: [PATCH] compiler: remove old vh generator

---
 vlib/compiler/main.v          |   2 +-
 vlib/compiler/module_header.v | 172 ----------------------------------
 2 files changed, 1 insertion(+), 173 deletions(-)
 delete mode 100644 vlib/compiler/module_header.v

diff --git a/vlib/compiler/main.v b/vlib/compiler/main.v
index b4ae673c95..15770f2053 100644
--- a/vlib/compiler/main.v
+++ b/vlib/compiler/main.v
@@ -274,7 +274,7 @@ pub fn (v mut V) compile() {
 	vgen_parser.parse(.main)
 	// Generate .vh if we are building a module
 	if v.pref.build_mode == .build_module {
-		generate_vh(v.pref.path)
+		//generate_vh(v.pref.path)
 	}
 	// All definitions
 	mut def := strings.new_builder(10000) // Avoid unnecessary allocations
diff --git a/vlib/compiler/module_header.v b/vlib/compiler/module_header.v
deleted file mode 100644
index 405d6a65b3..0000000000
--- a/vlib/compiler/module_header.v
+++ /dev/null
@@ -1,172 +0,0 @@
-// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
-// Use of this source code is governed by an MIT license
-// that can be found in the LICENSE file.
-module compiler
-
-import (
-	strings
-	os
-	v.pref
-)
-/*
-	.vh generation logic.
-	.vh files contain only function signatures, consts, and types.
-	They are used together with pre-compiled modules.
-*/
-
-
-struct VhGen {
-mut:
-	i      int // token index
-	consts strings.Builder
-	fns    strings.Builder
-	types  strings.Builder
-	tokens []Token
-}
-
-// `mod` == "vlib/os"
-fn generate_vh(mod string) {
-	println('\n\n\n\nGenerating a V header file for module `$mod`')
-	vexe := pref.vexe_path()
-	full_mod_path := os.join_path(os.dir(vexe), mod)
-	dir := if mod.starts_with('vlib') { '$compiler.v_modules_path${os.path_separator}$mod' } else { mod }
-	path := dir + '.vh'
-	pdir := dir.all_before_last(os.path_separator)
-	if !os.is_dir(pdir) {
-		os.mkdir_all(pdir)
-		// os.mkdir(os.realpath(dir)) or { panic(err) }
-	}
-	mut out := os.create(path)or{
-		panic(err)
-	}
-	mod_path := mod.replace('\\', '/')
-	out.writeln('// $mod_path module header\n')
-	mod_def := if mod_path.contains('/') { mod_path.all_after('/') } else { mod_path } // "os"
-	out.writeln('module $mod_def\n')
-	// Consts
-	println(full_mod_path)
-	vfiles := os.walk_ext(full_mod_path, '.v')
-	// mut vfiles := os.ls(full_mod_path) or {
-	// exit(1)
-	// }
-	filtered := vfiles.filter(it.ends_with('.v') && !it.ends_with('test.v') && !it.ends_with('_windows.v') && !it.ends_with('_win.v') && !it.ends_with('_lin.v') && !it.contains('${os.path_separator}examples') && !it.contains('_js.v') && !it.contains('_bare.v') && !it.contains('${os.path_separator}js')) // TODO merge once filter allows it
-	// println('f:')
-	// println(filtered)
-	mut pref := &pref.Preferences {
-		path: 'foo.v'
-	}
-	pref.fill_with_defaults()
-	mut v := new_v(pref)
-	// v.pref.generating_vh = true
-	mut g := VhGen{
-		consts: strings.new_builder(1000)
-		fns: strings.new_builder(1000)
-		types: strings.new_builder(1000)
-	}
-	for file in filtered {
-		mut p := v.new_parser_from_file(file)
-		p.scanner.is_vh = true
-		p.parse(.decl)
-		g.tokens = p.tokens
-		g.i = 0
-		for ; g.i < p.tokens.len; g.i++ {
-			if !p.tokens[g.i].tok.is_decl() {
-				continue
-			}
-			match g.tokens[g.i].tok {
-				.key_fn {
-					g.generate_fn()
-				}
-				.key_const {
-					g.generate_const()
-				}
-				.key_struct {
-					g.generate_type()
-				}
-				.key_type {
-					g.generate_alias()
-				}
-				else {
-				}}
-		}
-	}
-	result := g.types.str() + g.consts.str() + g.fns.str().replace('\n\n\n', '\n').replace('\n\n', '\n')
-	out.writeln(result.replace('[ ] ', '[]').replace('? ', '?'))
-	out.close()
-}
-
-fn (g mut VhGen) generate_fn() {
-	if g.i >= g.tokens.len - 2 {
-		return
-	}
-	mut next := g.tokens[g.i + 1]
-	if g.i > 0 && g.tokens[g.i - 1].tok != .key_pub {
-		// Skip private fns
-		// return ''
-	}
-	if next.tok == .name && next.lit == 'C' {
-		// println('skipping C')
-		return
-	}
-	// out.write('pub ')
-	mut tok := g.tokens[g.i]
-	for g.i < g.tokens.len - 1 && tok.tok != .lcbr {
-		next = g.tokens[g.i + 1]
-		g.fns.write(tok.str())
-		if tok.tok != .lpar && !(next.tok in [.comma, .rpar]) {
-			// No space after (), [], etc
-			g.fns.write(' ')
-		}
-		g.i++
-		tok = g.tokens[g.i]
-	}
-	g.fns.writeln('')
-	// g.i--
-}
-
-fn (g mut VhGen) generate_alias() {
-	mut tok := g.tokens[g.i]
-	for g.i < g.tokens.len - 1 {
-		g.types.write(tok.str())
-		g.types.write(' ')
-		if tok.line_nr != g.tokens[g.i + 1].line_nr {
-			break
-		}
-		g.i++
-		tok = g.tokens[g.i]
-	}
-	g.types.writeln('\n')
-	// g.i--
-}
-
-fn (g mut VhGen) generate_const() {
-	mut tok := g.tokens[g.i]
-	for g.i < g.tokens.len && tok.tok != .rpar {
-		g.consts.write(tok.str())
-		g.consts.write(' ')
-		if g.tokens[g.i + 2].tok == .assign {
-			g.consts.write('\n\t')
-		}
-		g.i++
-		tok = g.tokens[g.i]
-	}
-	g.consts.writeln('\n)')
-	// g.i--
-}
-
-fn (g mut VhGen) generate_type() {
-	// old := g.i
-	mut tok := g.tokens[g.i]
-	for g.i < g.tokens.len && tok.tok != .rcbr {
-		g.types.write(tok.str())
-		g.types.write(' ')
-		if g.tokens[g.i + 1].line_nr != g.tokens[g.i].line_nr {
-			g.types.write('\n\t')
-		}
-		g.i++
-		tok = g.tokens[g.i]
-	}
-	g.types.writeln('\n}')
-	// g.i = old
-	// g.i--
-}