XML Dump
Borsch supports development dumps of the lexical elements and the interpreter internal form. Both are to the simple XML format.
[woq@plecka ~/borsch]$ cat scripts/factorial_inc.txt
function factorial($number)
{
if($number < 2)
return 1;
else
return $number * factorial($number - 1);
}
[woq@plecka ~/borsch]$ cat scripts/factorial.txt
include("scripts/factorial_inc.txt");
echo("Factorial of numbers from 0 to 9:\n");
echo("==================================\n");
for($i = 0; $i <= 9; $i++)
echo("Factorial of " + $i + " is " + factorial($i) + "\n");
[woq@plecka ~/borsch]$ ./borsch --lex-dump scripts/factorial.txt
<?xml version='1.0' encoding='utf-8' standalone='yes'?>
<tokens>
<LEX_FUNC_NAME string="factorial"/>
<LEX_LPA/>
<LEX_VARIABLE string="number"/>
<LEX_RPA/>
<LEX_LVA/>
<LEX_IF/>
<LEX_LPA/>
<LEX_VARIABLE string="number"/>
<LEX_OP_LESS/>
<LEX_INT int="2"/>
<LEX_RPA/>
<LEX_RETURN/>
<LEX_INT int="1"/>
<LEX_SEMICOLON/>
<LEX_ELSE/>
<LEX_RETURN/>
<LEX_VARIABLE string="number"/>
<LEX_OP_MULT/>
<LEX_FUNC_NAME string="factorial"/>
<LEX_LPA/>
<LEX_VARIABLE string="number"/>
<LEX_OP_MINUS/>
<LEX_INT int="1"/>
<LEX_RPA/>
<LEX_SEMICOLON/>
<LEX_RVA/>
<LEX_FUNC_NAME string="echo"/>
<LEX_LPA/>
<LEX_STRING string="Factorial of numbers from 0 to 9:"/>
<LEX_RPA/>
<LEX_SEMICOLON/>
<LEX_FUNC_NAME string="echo"/>
<LEX_LPA/>
<LEX_STRING string="=================================="/>
<LEX_RPA/>
<LEX_SEMICOLON/>
<LEX_FOR/>
<LEX_LPA/>
<LEX_VARIABLE string="i"/>
<LEX_OP_ASSIGN/>
<LEX_INT int="0"/>
<LEX_SEMICOLON/>
<LEX_VARIABLE string="i"/>
<LEX_OP_LESS_EQ/>
<LEX_INT int="9"/>
<LEX_SEMICOLON/>
<LEX_VARIABLE string="i"/>
<LEX_OP_PLUS_PLUS/>
<LEX_RPA/>
<LEX_FUNC_NAME string="echo"/>
<LEX_LPA/>
<LEX_STRING string="Factorial of "/>
<LEX_OP_PLUS/>
<LEX_VARIABLE string="i"/>
<LEX_OP_PLUS/>
<LEX_STRING string=" is "/>
<LEX_OP_PLUS/>
<LEX_FUNC_NAME string="factorial"/>
<LEX_LPA/>
<LEX_VARIABLE string="i"/>
<LEX_RPA/>
<LEX_OP_PLUS/>
<LEX_STRING string=" "/>
<LEX_RPA/>
<LEX_SEMICOLON/>
<LEX_NULL/>
</tokens>
[woq@plecka ~/borsch]$ ./borsch --call-tree-dump scripts/factorial.txt
<?xml version='1.0' encoding='utf-8' standalone='yes'?>
<Script>
<GlobalCommands>
<FunctionCall name="echo">
<Parameters>
<Value type="string">Factorial of numbers from 0 to 9:</Value>
<Parameters>
</FunctionCall>
<FunctionCall name="echo">
<Parameters>
<Value type="string">==================================</Value>
<Parameters>
</FunctionCall>
<Loop>
<Init>
<BinaryOperator type="LEX_OP_ASSIGN">
<LeftTree>
<Variable name="i"/>
</LeftTree>
<RightTree>
<Value type="int">0</Value>
</RightTree>
</BinaryOperator>
</Init>
<Condition>
<BinaryOperator type="LEX_OP_LESS_EQ">
<LeftTree>
<Variable name="i"/>
</LeftTree>
<RightTree>
<Value type="int">9</Value>
</RightTree>
</BinaryOperator>
</Condition>
<Inc>
<UnaryOperator type="LEX_OP_PLUS_PLUS_POST">
<Variable name="i"/>
</UnaryOperator>
</Inc>
<Body>
<FunctionCall name="echo">
<Parameters>
<BinaryOperator type="LEX_OP_PLUS">
<LeftTree>
<BinaryOperator type="LEX_OP_PLUS">
<LeftTree>
<BinaryOperator type="LEX_OP_PLUS">
<LeftTree>
<BinaryOperator type="LEX_OP_PLUS">
<LeftTree>
<Value type="string">Factorial of </Value>
</LeftTree>
<RightTree>
<Variable name="i"/>
</RightTree>
</BinaryOperator>
</LeftTree>
<RightTree>
<Value type="string"> is </Value>
</RightTree>
</BinaryOperator>
</LeftTree>
<RightTree>
<FunctionCall name="factorial">
<Parameters>
<Variable name="i"/>
<Parameters>
</FunctionCall>
</RightTree>
</BinaryOperator>
</LeftTree>
<RightTree>
<Value type="string"></Value>
</RightTree>
</BinaryOperator>
<Parameters>
</FunctionCall>
</Body>
</Loop>
</GlobalCommands>
<GlobalFunctions>
<Function name="factorial">
<Parameter>number</Parameter>
<If>
<Condition>
<BinaryOperator type="LEX_OP_LESS">
<LeftTree>
<Variable name="number"/>
</LeftTree>
<RightTree>
<Value type="int">2</Value>
</RightTree>
</BinaryOperator>
</Condition>
<UnaryOperator type="LEX_RETURN">
<Value type="int">1</Value>
</UnaryOperator>
</If>
<Else>
<UnaryOperator type="LEX_RETURN">
<BinaryOperator type="LEX_OP_MULT">
<LeftTree>
<Variable name="number"/>
</LeftTree>
<RightTree>
<FunctionCall name="factorial">
<Parameters>
<BinaryOperator type="LEX_OP_MINUS">
<LeftTree>
<Variable name="number"/>
</LeftTree>
<RightTree>
<Value type="int">1</Value>
</RightTree>
</BinaryOperator>
<Parameters>
</FunctionCall>
</RightTree>
</BinaryOperator>
</UnaryOperator>
</Else>
</Function>
<Function name="echo">
<Parameter>param</Parameter>
</Function>
<Function name="exit">
<Parameter>param</Parameter>
</Function>
<Function name="get_global">
<Parameter>name</Parameter>
</Function>
<Function name="set_global">
<Parameter>name</Parameter>
<Parameter>value</Parameter>
</Function>
</GlobalFunctions>
</Script>
[woq@plecka ~/borsch]$ ./borsch scripts/factorial.txt
Factorial of numbers from 0 to 9:
==================================
Factorial of 0 is 1
Factorial of 1 is 1
Factorial of 2 is 2
Factorial of 3 is 6
Factorial of 4 is 24
Factorial of 5 is 120
Factorial of 6 is 720
Factorial of 7 is 5040
Factorial of 8 is 40320
Factorial of 9 is 362880
[woq@plecka ~/borsch]$