DPaste - Paste #885 - pastebin, online compiler and collaboration tool dedicated to D Programming Language

Code

import std.stdio : writeln, writefln;
import std.regex;
import std.algorithm : countUntil;
import std.array : replaceSlice, split, join, replace;
import std.file : readText, write;
import std.string : format;

version (none) {
	version = Test;
} else {
	version = Finish;
}

const string operator  = "?";
const string error_msg = "\"Null Object @ File %s on Line %d.\"";
const string condition = " in {\n\tassert(%s !is null, std.string.format(%s, filename, line));\n} body {";

void main(string[] args) {
	//writeln(args);
	string buffer = readText(args[1]);
	string[] lines = buffer.split("\n");
	//writeln(lines);

uint[string] class_names;
	
	foreach (line_nr, line; lines) {
		if (auto m = match(line, regex(r"class\s*(\w+)\s*\{"))) {
			auto c = m.captures;
			class_names[c[1]] = line_nr;
		}
	}
	
	version (Test) {
		writeln(class_names);
		writeln(lines);
		writeln("----");
	}

uint counter = 0;
	foreach (uint line_nr, ref string line; lines) {
		if (auto m = match(line, r"(\w+)\s*\" ~ operator ~ r"\s*(\w+)")) {
			auto c = m.captures;

version (Test) {
				writeln(c);
			}
			
			if (c.length >= 3 && c[1] in class_names && class_names[c[1]] != line_nr) {
				//writeln("foo");
				++counter;

// Replace operator
				uint pos = countUntil(line, c[1]);
				line = line.replace(operator, "");//line[0 .. pos + c[1].length] ~ line[pos + c[1].length + 1 .. $];

// insert debug assertions
				pos = countUntil(line, '{');
				line = line[0 .. pos] ~ format(condition, c[2], error_msg);

// add important paramaters for filename and line number
				pos = countUntil(line, ')');
				line = line[0 .. pos] ~ ", string filename = __FILE__, uint line = __LINE__)" ~ line[pos + 1 .. $];
			}
		}
	}
	
	writefln(" > %d Replacements.", counter);
	
	version (Test) {
		writeln(join(lines, "\n"));
	}

version (Finish) {
		write(args[1], join(lines, "\n"));
	}
}

Compilation output:

/d138/f232.d(32): Error: cannot implicitly convert expression (line_nr) of type ulong to uint
/d138/f232.d(56): Error: cannot implicitly convert expression (countUntil(line, c.opIndex(1LU))) of type long to uint
/d138/f232.d(60): Error: cannot implicitly convert expression (countUntil(line, '{')) of type long to uint
/d138/f232.d(64): Error: cannot implicitly convert expression (countUntil(line, ')')) of type long to uint

Paste info

Author: Namespace

Views: 140

Private: no

Expires: Never

Uploaded: 27.07.12 16:02

Votes: 0

Compilation

Compiler: DMD 2.062

Pointer size: m64

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Compilation output:

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