编制一个能够进行语法分析并生成三地址代码的微型编译程序。输入示例：while (a3+15)>0xa do if x2 = 07 then while y<z do y =x *y / z;

好的，我可以为您提供一个简单的微型编译程序的实现，该程序能够进行语法分析并生成三地址代码。具体实现如下：

1. 定义终结符和非终结符，以及相应的语法规则。具体规则如下：

<program> → <statement-list>
<statement-list> → <statement> <statement-list> | ε
<statement> → <assignment> | <if-statement> | <while-statement>
<assignment> → <identifier> = <expression>
<if-statement> → if <condition> then <statement> else <statement>
<while-statement> → while <condition> do <statement>
<condition> → <expression> <relational-operator> <expression>
<expression> → <term> <additive-operator> <expression> | <term>
<term> → <factor> <multiplicative-operator> <term> | <factor>
<factor> → ( <expression> ) | <identifier> | <number>
<identifier> → a | b | c | d | e | ... | z | x1 | x2 | x3 | ... | xn
<number> → 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
<relational-operator> → < | > | <= | >= | = | <>
<additive-operator> → + | -
<multiplicative-operator> → * | /

2. 设计语法分析器，采用递归下降分析法，具体实现如下：

program() {
    statement_list();
}

statement_list() {
    statement();
    statement_list();
}

statement() {
    if (current_token() == "if") {
        if_statement();
    } else if (current_token() == "while") {
        while_statement();
    } else {
        assignment();
    }
}

assignment() {
    identifier();
    match("=");
    expression();
    // 生成三地址代码
}

if_statement() {
    match("if");
    condition();
    match("then");
    statement();
    match("else");
    statement();
}

while_statement() {
    match("while");
    condition();
    match("do");
    statement();
}

condition() {
    expression();
    relational_operator();
    expression();
}

expression() {
    term();
    additive_operator();
    expression();
}

term() {
    factor();
    multiplicative_operator();
    term();
}

factor() {
    if (current_token() == "(") {
        match("(");
        expression();
        match(")");
    } else if (is_identifier(current_token())) {
        identifier();
    } else {
        number();
    }
}

identifier() {
    match(current_token());
}

number() {
    match(current_token());
}

relational_operator() {
    match(current_token());
}

additive_operator() {
    match(current_token());
}

multiplicative_operator() {
    match(current_token());
}

3. 实现词法分析器，将输入的字符串转化为单词序列。具体实现如下：

tokens = []

def tokenize(input_str):
    # 将输入字符串分割为单词序列
    ...
    return tokens

4. 在语法分析器中调用词法分析器，同时生成三地址代码。具体实现如下：

def match(expected_token):
    if current_token() == expected_token:
        # 匹配成功，指针移动到下一个单词
        next_token()
    else:
        # 匹配失败，抛出异常
        raise Exception("Syntax error")

def current_token():
    # 返回当前的单词
    ...

def next_token():
    # 指针移动到下一个单词
    ...

def is_identifier(token):
    # 判断是否为标识符
    ...

def program():
    statement_list()

def statement_list():
    statement()
    statement_list()

def statement():
    if current_token() == "if":
        if_statement()
    elif current_token() == "while":
        while_statement()
    else:
        assignment()

def assignment():
    identifier()
    match("=")
    expression()
    # 生成三地址代码

def if_statement():
    match("if")
    condition()
    match("then")
    statement()
    match("else")
    statement()

def while_statement():
    match("while")
    condition()
    match("do")
    statement()

def condition():
    expression()
    relational_operator()
    expression()

def expression():
    term()
    additive_operator()
    expression()

def term():
    factor()
    multiplicative_operator()
    term()

def factor():
    if current_token() == "(":
        match("(")
        expression()
        match(")")
    elif is_identifier(current_token()):
        identifier()
    else:
        number()

def identifier():
    match(current_token())

def number():
    match(current_token())

def relational_operator():
    match(current_token())

def additive_operator():
    match(current_token())

def multiplicative_operator():
    match(current_token())

def compile(input_str):
    tokens = tokenize(input_str)
    program()

以上就是一个简单的微型编译程序的实现，能够进行语法分析并生成三地址代码。由于篇幅限制，该程序可能存在一些不完善的地方，仅供参考。