From 56608dfd2b6a3e30429e58a4db6e8f87c2d72949 Mon Sep 17 00:00:00 2001
From: Alexander Medvednikov <alexander@medvednikov.com>
Date: Fri, 28 Jun 2019 17:07:03 +0200
Subject: [PATCH] remove #ifdef, #ifndef, etc

---
 builtin/builtin.v |  3 +++
 compiler/parser.v | 36 +++---------------------------------
 2 files changed, 6 insertions(+), 33 deletions(-)

diff --git a/builtin/builtin.v b/builtin/builtin.v
index 5107d178c3..6f65c71858 100644
--- a/builtin/builtin.v
+++ b/builtin/builtin.v
@@ -62,6 +62,8 @@ pub fn malloc(n int) byteptr {
 	if n < 0 {
 		panic('malloc(<0)')
 	}
+/* 
+TODO 
 #ifdef VPLAY
 	if n > 10000 {
 		panic('allocating more than 10 KB is not allowed in the playground')
@@ -72,6 +74,7 @@ pub fn malloc(n int) byteptr {
 	println('\n\n\nmalloc($n) total=$total_m')
 	print_backtrace()
 #endif
+*/ 
 	ptr := C.malloc(n)
 	if isnil(ptr) {
 		panic('malloc($n) failed')
diff --git a/compiler/parser.v b/compiler/parser.v
index a0c28a7425..bdab9b4308 100644
--- a/compiler/parser.v
+++ b/compiler/parser.v
@@ -2627,48 +2627,18 @@ fn (p mut Parser) chash() {
 			p.genln('#include $file')
 		}
 	}
-	else if is_c_pre(hash) {
-		// Skip not current OS hack
-		if hash.starts_with('ifdef') {
-			os := hash.right(6).trim_space()
-			// println('ifdef "$os" $p.scanner.line_nr')
-			if os == 'linux' && p.os != LINUX {
-				// println('linux ifdef skip')
-				for p.tok != EOF {
-					if p.tok == HASH && p.lit.contains('else') || p.lit.contains('endif') {
-						break
-					}
-					// println('skipping')
-					p.next()
-				}
-			}
-		}
-		// Move defines on top (like old gdefine)
-		if hash.contains('define') {
-			p.cgen.includes << '#$hash'
-		}
-		else {
-			p.genln('#$hash')
-		}
+	else if hash.contains('define') { 
+		// Move defines on top 
+		p.cgen.includes << '#$hash'
 	}
 	else {
 		if !p.can_chash {
 			p.error('bad token `#` (embedding C code is no longer supported)')
 		}
-		//println('HASH!!! $p.file_name $p.scanner.line_nr')
-		if p.cur_fn.name == '' {
-			// p.error('# outside of fn')
-		}
 		p.genln(hash)
 	}
 }
 
-fn is_c_pre(hash string) bool {
-	return hash.contains('ifdef') || hash.contains('define') ||
-	hash.contains('endif') || hash.contains('elif') ||
-	hash.contains('ifndef') || (hash.contains('else') && !hash.contains('{'))
-}
-
 fn (p mut Parser) if_st(is_expr bool) string {
 	if is_expr {
 		if p.fileis('if_expr') {