From b03106c3c5a11c1ffafd308ae94f28b9f141899b Mon Sep 17 00:00:00 2001
From: chai2010 <chaishushan@gmail.com>
Date: Tue, 14 Aug 2018 20:33:50 +0800
Subject: [PATCH] =?UTF-8?q?ch1.2:=20=E8=A7=84=E8=8C=83=E5=8C=96=E5=9B=BE?=
 =?UTF-8?q?=E5=92=8C=E4=BB=A3=E7=A0=81=E7=BC=96=E5=8F=B7?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ch1-basic/ch1-02-hello-revolution.md |  35 +++++++++++++++++++++-
 images/ch1.2-1-go-history.png        | Bin 0 -> 9738 bytes
 vendor/ch1.1-1/doc_ch1-01.go         |   2 --
 vendor/ch1.1-1/main.go               |   2 ++
 vendor/ch1.2-1/hello.b               |  10 +++++++
 vendor/ch1.2-10/hello.go             |  10 +++++++
 vendor/ch1.2-11/hello.go             |   9 ++++++
 vendor/ch1.2-12/hello.go             |   7 +++++
 vendor/ch1.2-13/hello.go             |  11 +++++++
 vendor/ch1.2-14/hello.go             |  11 +++++++
 vendor/ch1.2-15/hello.go             |   9 ++++++
 vendor/ch1.2-16/main.go              |  22 ++++++++++++++
 vendor/ch1.2-2/hello.c               |   6 ++++
 vendor/ch1.2-3/hello.c               |   6 ++++
 vendor/ch1.2-4/hello.c               |   8 +++++
 vendor/ch1.2-5/hello.c               |   8 +++++
 vendor/ch1.2-6/hello.newsqueak       |   3 ++
 vendor/ch1.2-7/prime.newsqueak       |  43 +++++++++++++++++++++++++++
 vendor/ch1.2-8/hello.alef            |  21 +++++++++++++
 vendor/ch1.2-9/hello.limbo           |  17 +++++++++++
 20 files changed, 237 insertions(+), 3 deletions(-)
 create mode 100644 images/ch1.2-1-go-history.png
 delete mode 100644 vendor/ch1.1-1/doc_ch1-01.go
 create mode 100644 vendor/ch1.2-1/hello.b
 create mode 100644 vendor/ch1.2-10/hello.go
 create mode 100644 vendor/ch1.2-11/hello.go
 create mode 100644 vendor/ch1.2-12/hello.go
 create mode 100644 vendor/ch1.2-13/hello.go
 create mode 100644 vendor/ch1.2-14/hello.go
 create mode 100644 vendor/ch1.2-15/hello.go
 create mode 100644 vendor/ch1.2-16/main.go
 create mode 100644 vendor/ch1.2-2/hello.c
 create mode 100644 vendor/ch1.2-3/hello.c
 create mode 100644 vendor/ch1.2-4/hello.c
 create mode 100644 vendor/ch1.2-5/hello.c
 create mode 100644 vendor/ch1.2-6/hello.newsqueak
 create mode 100644 vendor/ch1.2-7/prime.newsqueak
 create mode 100644 vendor/ch1.2-8/hello.alef
 create mode 100644 vendor/ch1.2-9/hello.limbo

diff --git a/ch1-basic/ch1-02-hello-revolution.md b/ch1-basic/ch1-02-hello-revolution.md
index 7f5e31e..dade0fb 100644
--- a/ch1-basic/ch1-02-hello-revolution.md
+++ b/ch1-basic/ch1-02-hello-revolution.md
@@ -2,7 +2,7 @@
 
 在创世纪章节中我们简单介绍了Go语言的演化基因族谱，对其中来自于贝尔实验室的特有并发编程基因做了重点介绍，最后引出了Go语言版的“Hello, World”程序。其实“Hello, World”程序是展示各种语言特性的最好的例子，是通向该语言的一个窗口。这一节我们将沿着各个编程语言演化的时间轴，简单回顾下“Hello, World”程序是如何逐步演化到目前的Go语言形式、最终完成它的革命使命的。
 
-![](../images/ch1-01-go-history.png)
+![](../images/ch1.2-1-go-history.png)
 
 ## 1.2.1 B语言 - Ken Thompson, 1972
 
@@ -10,6 +10,8 @@
 
 目前见到的B语言版本的“Hello World”，一般认为是来自于Brian W. Kernighan编写的B语言入门教程（Go核心代码库中的第一个提交者名字正是Brian W. Kernighan），程序如下：
 
+*代码 1.2-1*
+
 ```c
 main() {
 	extrn a, b, c;
@@ -31,6 +33,8 @@ C语言是由Dennis Ritchie在B语言的基础上改进而来，它增加了丰
 
 在Brian W. Kernighan于1974年左右编写的C语言入门教程中，出现了第一个C语言版本的“Hello World”程序。这给后来大部分编程语言教程都以“Hello World”为第一个程序提供了惯例。第一个C语言版本的“Hello World”程序如下：
 
+*代码 1.2-2*
+
 ```c
 main()
 {
@@ -42,6 +46,8 @@ main()
 
 这个例子同样出现在了1978年出版的《C程序设计语言》第一版中，作者正是Brian W. Kernighan 和 Dennis M. Ritchie（简称K&R）。书中的“Hello World”末尾增加了一个换行输出：
 
+*代码 1.2-3*
+
 ```c
 main()
 {
@@ -53,6 +59,8 @@ main()
 
 在K&R的教程面世10年之后的1988年，《C程序设计语言》第二版终于出版了。此时ANSI C语言的标准化草案已经初步完成，但正式版本的文档尚未发布。不过书中的“Hello World”程序根据新的规范增加了`#include <stdio.h>`头文件包含语句，用于包含`printf`函数的声明（新的C89标准中，仅仅是针对`printf`函数而言，依然可以不用声明函数而直接使用）。
 
+*代码 1.2-4*
+
 ```c
 #include <stdio.h>
 
@@ -64,6 +72,8 @@ main()
 
 然后到了1989年，ANSI C语言第一个国际标准发布，一般被称为C89。C89是流行最广泛的一个C语言标准，目前依然被大量使用。《C程序设计语言》第二版的也再次印刷新版本，并针对新发布的C89规范建议，给`main`函数的参数增加了`void`输入参数说明，表示没有输入参数的意思。
 
+*代码 1.2-5*
+
 ```c
 #include <stdio.h>
 
@@ -82,6 +92,8 @@ Newsqueak是Rob Pike发明的老鼠语言的第二代，是他用于实践CSP并
 
 Newsqueak类似脚本语言，内置了一个`print`函数，它的“Hello World”程序看不出什么特色：
 
+*代码 1.2-6*
+
 ```go
 print("Hello,", "World", "\n");
 ```
@@ -92,6 +104,8 @@ print("Hello,", "World", "\n");
 
 Newsqueak语言并发版本的“素数筛”程序如下：
 
+*代码 1.2-7*
+
 ```go
 // 向管道输出从2开始的自然数序列
 counter := prog(c:chan of int) {
@@ -150,6 +164,8 @@ Newsqueak语言中并发体和管道的语法和Go语言已经比较接近了，
 
 Alef语言并发版本的“Hello World”程序如下：
 
+*代码 1.2-8*
+
 ```c
 #include <alef.h>
 
@@ -182,6 +198,9 @@ Limbo（地狱）是用于开发运行在小型计算机上的分布式应用的
 
 Limbo语言版本的“Hello World”程序如下：
 
+
+*代码 1.2-9*
+
 ```go
 implement Hello;
 
@@ -208,6 +227,8 @@ init(ctxt: ref Draw->Context, args: list of string)
 
 ### 1.2.6.1 hello.go - 2008年6月
 
+*代码 1.2-10*
+
 ```go
 package main
 
@@ -221,6 +242,8 @@ func main() int {
 
 ### 1.2.6.2 hello.go - 2008年6月27日
 
+*代码 1.2-11*
+
 ```go
 package main
 
@@ -233,6 +256,8 @@ func main() {
 
 ### 1.2.6.3 hello.go - 2008年8月11日
 
+*代码 1.2-12*
+
 ```go
 package main
 
@@ -245,6 +270,8 @@ func main() {
 
 ### 1.2.6.4 hello.go - 2008年10月24日
 
+*代码 1.2-13*
+
 ```go
 package main
 
@@ -259,6 +286,8 @@ func main() {
 
 ### 1.2.6.5 hello.go - 2009年1月15日
 
+*代码 1.2-14*
+
 ```go
 package main
 
@@ -273,6 +302,8 @@ Go语言开始采用是否大小写首字母来区分符号是否可以被导出
 
 ### 1.2.6.7 hello.go - 2009年12月11日
 
+*代码 1.2-15*
+
 ```go
 package main
 
@@ -290,6 +321,8 @@ Go语言终于移除了语句末尾的分号。这是Go语言在2009年11月10
 
 在经过半个世纪的涅槃重生之后，Go语言不仅仅打印出了Unicode版本的“Hello, World”，而且可以方便地向全球用户提供打印服务。下面版本通过`http`服务向每个访问的客户端打印中文的“你好, 世界!”和当前的时间信息。
 
+*代码 1.2-16*
+
 ```go
 package main
 
diff --git a/images/ch1.2-1-go-history.png b/images/ch1.2-1-go-history.png
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diff --git a/vendor/ch1.1-1/doc_ch1-01.go b/vendor/ch1.1-1/doc_ch1-01.go
deleted file mode 100644
index 5ba54f1..0000000
--- a/vendor/ch1.1-1/doc_ch1-01.go
+++ /dev/null
@@ -1,2 +0,0 @@
-// ch1-01/01
-package main
diff --git a/vendor/ch1.1-1/main.go b/vendor/ch1.1-1/main.go
index 2fc1f61..5a738ca 100644
--- a/vendor/ch1.1-1/main.go
+++ b/vendor/ch1.1-1/main.go
@@ -1,3 +1,5 @@
+// ch1.1-1
+
 package main
 
 import "fmt"
diff --git a/vendor/ch1.2-1/hello.b b/vendor/ch1.2-1/hello.b
new file mode 100644
index 0000000..ca9855d
--- /dev/null
+++ b/vendor/ch1.2-1/hello.b
@@ -0,0 +1,10 @@
+// ch1.2-1
+
+main() {
+	extrn a, b, c;
+	putchar(a); putchar(b); putchar(c);
+	putchar('!*n');
+}
+a 'hell';
+b 'o, w';
+c 'orld';
diff --git a/vendor/ch1.2-10/hello.go b/vendor/ch1.2-10/hello.go
new file mode 100644
index 0000000..612add6
--- /dev/null
+++ b/vendor/ch1.2-10/hello.go
@@ -0,0 +1,10 @@
+// ch1.2-10
+
+// +build ignore
+
+package main
+
+func main() int {
+	print "hello, world\n";
+	return 0;
+}
diff --git a/vendor/ch1.2-11/hello.go b/vendor/ch1.2-11/hello.go
new file mode 100644
index 0000000..5647c2e
--- /dev/null
+++ b/vendor/ch1.2-11/hello.go
@@ -0,0 +1,9 @@
+// ch1.2-11
+
+// +build ignore
+
+package main
+
+func main() {
+	print "hello, world\n";
+}
diff --git a/vendor/ch1.2-12/hello.go b/vendor/ch1.2-12/hello.go
new file mode 100644
index 0000000..9d8c09e
--- /dev/null
+++ b/vendor/ch1.2-12/hello.go
@@ -0,0 +1,7 @@
+// ch1.2-12
+
+package main
+
+func main() {
+	print("hello, world\n")
+}
diff --git a/vendor/ch1.2-13/hello.go b/vendor/ch1.2-13/hello.go
new file mode 100644
index 0000000..3a31d5a
--- /dev/null
+++ b/vendor/ch1.2-13/hello.go
@@ -0,0 +1,11 @@
+// ch1.2-13
+
+// +build ignore
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.printf("hello, world\n")
+}
diff --git a/vendor/ch1.2-14/hello.go b/vendor/ch1.2-14/hello.go
new file mode 100644
index 0000000..92bfeff
--- /dev/null
+++ b/vendor/ch1.2-14/hello.go
@@ -0,0 +1,11 @@
+// ch1.2-14
+
+// +build ignore
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Printf("hello, world\n") // ;
+}
diff --git a/vendor/ch1.2-15/hello.go b/vendor/ch1.2-15/hello.go
new file mode 100644
index 0000000..7210aaa
--- /dev/null
+++ b/vendor/ch1.2-15/hello.go
@@ -0,0 +1,9 @@
+// ch1.2-15
+
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Printf("hello, world\n")
+}
diff --git a/vendor/ch1.2-16/main.go b/vendor/ch1.2-16/main.go
new file mode 100644
index 0000000..f56da7b
--- /dev/null
+++ b/vendor/ch1.2-16/main.go
@@ -0,0 +1,22 @@
+// 1.2-16
+
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+)
+
+func main() {
+	fmt.Println("Please visit http://127.0.0.1:12345/")
+	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+		s := fmt.Sprintf("你好, 世界! -- Time: %s", time.Now().String())
+		fmt.Fprintf(w, "%v\n", s)
+		log.Printf("%v\n", s)
+	})
+	if err := http.ListenAndServe(":12345", nil); err != nil {
+		log.Fatal("ListenAndServe: ", err)
+	}
+}
diff --git a/vendor/ch1.2-2/hello.c b/vendor/ch1.2-2/hello.c
new file mode 100644
index 0000000..634cf5b
--- /dev/null
+++ b/vendor/ch1.2-2/hello.c
@@ -0,0 +1,6 @@
+// ch1.2-2
+
+main()
+{
+	printf("hello, world");
+}
diff --git a/vendor/ch1.2-3/hello.c b/vendor/ch1.2-3/hello.c
new file mode 100644
index 0000000..8054f8f
--- /dev/null
+++ b/vendor/ch1.2-3/hello.c
@@ -0,0 +1,6 @@
+// ch1.2-3
+
+main()
+{
+	printf("hello, world\n");
+}
diff --git a/vendor/ch1.2-4/hello.c b/vendor/ch1.2-4/hello.c
new file mode 100644
index 0000000..e3f9df7
--- /dev/null
+++ b/vendor/ch1.2-4/hello.c
@@ -0,0 +1,8 @@
+// ch1.2-4
+
+#include <stdio.h>
+
+main()
+{
+	printf("hello, world\n");
+}
diff --git a/vendor/ch1.2-5/hello.c b/vendor/ch1.2-5/hello.c
new file mode 100644
index 0000000..519563b
--- /dev/null
+++ b/vendor/ch1.2-5/hello.c
@@ -0,0 +1,8 @@
+// ch1.2-5
+
+#include <stdio.h>
+
+main(void)
+{
+	printf("hello, world\n");
+}
diff --git a/vendor/ch1.2-6/hello.newsqueak b/vendor/ch1.2-6/hello.newsqueak
new file mode 100644
index 0000000..a0683cd
--- /dev/null
+++ b/vendor/ch1.2-6/hello.newsqueak
@@ -0,0 +1,3 @@
+// ch1.2-6
+
+print("Hello,", "World", "\n");
diff --git a/vendor/ch1.2-7/prime.newsqueak b/vendor/ch1.2-7/prime.newsqueak
new file mode 100644
index 0000000..70e44a8
--- /dev/null
+++ b/vendor/ch1.2-7/prime.newsqueak
@@ -0,0 +1,43 @@
+// ch1.2-7
+
+// 向管道输出从2开始的自然数序列
+counter := prog(c:chan of int) {
+	i := 2;
+	for(;;) {
+		c <-= i++;
+	}
+};
+
+// 针对listen管道获取的数列，过滤掉是prime倍数的数
+// 新的序列输出到send管道
+filter := prog(prime:int, listen, send:chan of int) {
+	i:int;
+	for(;;) {
+		if((i = <-listen)%prime) {
+			send <-= i;
+		}
+	}
+};
+
+// 主函数
+// 每个管道第一个流出的数必然是素数
+// 然后基于这个新的素数构建新的素数过滤器
+sieve := prog() of chan of int {
+	c := mk(chan of int);
+	begin counter(c);
+	prime := mk(chan of int);
+	begin prog(){
+		p:int;
+		newc:chan of int;
+		for(;;){
+			prime <-= p =<- c;
+			newc = mk();
+			begin filter(p, c, newc);
+			c = newc;
+		}
+	}();
+	become prime;
+};
+
+// 启动素数筛
+prime := sieve();
diff --git a/vendor/ch1.2-8/hello.alef b/vendor/ch1.2-8/hello.alef
new file mode 100644
index 0000000..df4ef07
--- /dev/null
+++ b/vendor/ch1.2-8/hello.alef
@@ -0,0 +1,21 @@
+// ch1.2-8
+
+#include <alef.h>
+
+void receive(chan(byte*) c) {
+	byte *s;
+	s = <- c;
+	print("%s\n", s);
+	terminate(nil);
+}
+
+void main(void) {
+	chan(byte*) c;
+	alloc c;
+	proc receive(c);
+	task receive(c);
+	c <- = "hello proc or task";
+	c <- = "hello proc or task";
+	print("done\n");
+	terminate(nil);
+}
diff --git a/vendor/ch1.2-9/hello.limbo b/vendor/ch1.2-9/hello.limbo
new file mode 100644
index 0000000..1f8a0d2
--- /dev/null
+++ b/vendor/ch1.2-9/hello.limbo
@@ -0,0 +1,17 @@
+// ch1.2-9
+
+implement Hello;
+
+include "sys.m"; sys: Sys;
+include "draw.m";
+
+Hello: module
+{
+	init: fn(ctxt: ref Draw->Context, args: list of string);
+};
+
+init(ctxt: ref Draw->Context, args: list of string)
+{
+	sys = load Sys Sys->PATH;
+	sys->print("hello, world\n");
+}