Viewing file:  line_numbers.cpp (4.44 KB) -rw-rw-r--
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/*
* phc -- the open source PHP compiler
* See doc/license/README.license for licensing information
*
* Printout all the tokens with their line numbers.
*/
#include "AST_visitor.h"
#include "pass_manager/Plugin_pass.h"
#include "process_ir/General.h"
using namespace AST;
using namespace std;
class Print_line_numbers : public Visitor
{
String delimiter;
bool read;
public:
Print_line_numbers()
: delimiter("--!!--!!--"),
read(false)
{
}
void pre_if(If* in)
{
cout << "if:" << in->get_line_number() << delimiter;
}
void pre_while(While* in)
{
cout << "while:" << in->get_line_number() << delimiter;
}
void pre_do(Do* in)
{
cout << "do:" << in->get_line_number() << delimiter;
}
void pre_for(For* in)
{
cout << "for:" << in->get_line_number() << delimiter;
}
void pre_foreach(Foreach* in)
{
cout << "foreach:" << in->get_line_number() << delimiter;
}
void pre_switch(Switch* in)
{
cout << "switch:" << in->get_line_number() << delimiter;
}
void pre_switch_case(Switch_case* in)
{
cout << "case:" << in->get_line_number() << delimiter;
}
void pre_break(Break* in)
{
cout << "break:" << in->get_line_number() << delimiter;
}
void pre_continue(Continue* in)
{
cout << "continue:" << in->get_line_number() << delimiter;
}
void pre_return(Return* in)
{
cout << "return:" << in->get_line_number() << delimiter;
}
void pre_try(Try* in)
{
cout << "try:" << in->get_line_number() << delimiter;
}
void pre_catch(Catch* in)
{
cout << "catch:" << in->get_line_number() << delimiter;
}
void pre_throw(Throw* in)
{
cout << "throw:" << in->get_line_number() << delimiter;
}
void pre_new(New* in)
{
cout << "new:" << in->get_line_number() << delimiter;
}
void pre_interface_name(INTERFACE_NAME* in)
{
cout << *in->value << ":" << in->get_line_number() << delimiter;
}
void pre_class_name(CLASS_NAME* in)
{
String* class_name = in->value;
if (*class_name != "%MAIN%" and *class_name != "%STDLIB%")
{
cout << *class_name << ":" << in->get_line_number() << delimiter;
}
}
void pre_method_name(METHOD_NAME* in)
{
/* this could also check that it's in the main class, but its a tad
* complicated for the incredibly limited benefit
*/
String* method_name = in->value;
if (*method_name != "%run%")
{
cout << *method_name << ":" << in->get_line_number() << delimiter;
}
}
void pre_variable_name(VARIABLE_NAME* in)
{
cout << *in->value << ":" << in->get_line_number() << delimiter;
}
void pre_directive_name(DIRECTIVE_NAME* in)
{
cout << *in->value << ":" << in->get_line_number() << delimiter;
}
void pre_cast(CAST* in)
{
cout << *in->value << ":" << in->get_line_number() << delimiter;
}
void pre_op(OP* in)
{
cout << *in->value << ":" << in->get_line_number() << delimiter;
}
void pre_constant_name(CONSTANT_NAME* in)
{
cout << *in->value << ":" << in->get_line_number() << delimiter;
}
void pre_string(STRING* in)
{
string::iterator i;
/* We cant use the PHP_unparser here, since that adds "'"s in
* interpolated strings. All the code is taken from PHP_unparser, and
* could be refactored at a later date. */
String *s = in->get_source_rep(); // deals with the __FILE__ problem.
for(i = s->begin(); i != s->end(); i++)
{
switch(*i)
{
case '\n':
cout << "\\n";
break;
case '\r':
cout << "\\r";
break;
case '\t':
cout << "\\t";
break;
case '\\':
case '$':
case '"':
cout << "\\" << *i;
break;
default:
if(*i < 32 || *i == 127)
{
cout << "\\x" << setw(2) <<
setfill('0') << hex << uppercase << (unsigned long int)(unsigned char)*i;
cout << resetiosflags(cout.flags());
}
else
cout << *i;
break;
}
}
cout << ":" << in->get_line_number() << delimiter;
}
void pre_int (INT* in)
{
cout << *in->get_source_rep() << ":" << in->get_line_number() << delimiter;
}
void pre_real (REAL* in)
{
cout << *in->get_source_rep() << ":" << in->get_line_number() << delimiter;
}
void pre_bool (BOOL* in)
{
cout << *in->get_source_rep() << ":" << in->get_line_number() << delimiter;
}
void pre_null (NIL* in)
{
cout << *in->get_source_rep() << ":" << in->get_line_number() << delimiter;
}
};
extern "C" void load (Pass_manager* pm, Plugin_pass* pass)
{
pm->add_after_named_pass (pass, s("ast"));
}
extern "C" void run_ast (PHP_script* in, Pass_manager* pm, String* option)
{
in->visit (new Print_line_numbers ());
cout << endl;
}
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