parse_util.js
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import * as chars from './chars';
import { isPresent } from './facade/lang';
export var ParseLocation = (function () {
/**
* @param {?} file
* @param {?} offset
* @param {?} line
* @param {?} col
*/
function ParseLocation(file, offset, line, col) {
this.file = file;
this.offset = offset;
this.line = line;
this.col = col;
}
/**
* @return {?}
*/
ParseLocation.prototype.toString = function () {
return isPresent(this.offset) ? this.file.url + "@" + this.line + ":" + this.col : this.file.url;
};
/**
* @param {?} delta
* @return {?}
*/
ParseLocation.prototype.moveBy = function (delta) {
var /** @type {?} */ source = this.file.content;
var /** @type {?} */ len = source.length;
var /** @type {?} */ offset = this.offset;
var /** @type {?} */ line = this.line;
var /** @type {?} */ col = this.col;
while (offset > 0 && delta < 0) {
offset--;
delta++;
var /** @type {?} */ ch = source.charCodeAt(offset);
if (ch == chars.$LF) {
line--;
var /** @type {?} */ priorLine = source.substr(0, offset - 1).lastIndexOf(String.fromCharCode(chars.$LF));
col = priorLine > 0 ? offset - priorLine : offset;
}
else {
col--;
}
}
while (offset < len && delta > 0) {
var /** @type {?} */ ch = source.charCodeAt(offset);
offset++;
delta--;
if (ch == chars.$LF) {
line++;
col = 0;
}
else {
col++;
}
}
return new ParseLocation(this.file, offset, line, col);
};
return ParseLocation;
}());
function ParseLocation_tsickle_Closure_declarations() {
/** @type {?} */
ParseLocation.prototype.file;
/** @type {?} */
ParseLocation.prototype.offset;
/** @type {?} */
ParseLocation.prototype.line;
/** @type {?} */
ParseLocation.prototype.col;
}
export var ParseSourceFile = (function () {
/**
* @param {?} content
* @param {?} url
*/
function ParseSourceFile(content, url) {
this.content = content;
this.url = url;
}
return ParseSourceFile;
}());
function ParseSourceFile_tsickle_Closure_declarations() {
/** @type {?} */
ParseSourceFile.prototype.content;
/** @type {?} */
ParseSourceFile.prototype.url;
}
export var ParseSourceSpan = (function () {
/**
* @param {?} start
* @param {?} end
* @param {?=} details
*/
function ParseSourceSpan(start, end, details) {
if (details === void 0) { details = null; }
this.start = start;
this.end = end;
this.details = details;
}
/**
* @return {?}
*/
ParseSourceSpan.prototype.toString = function () {
return this.start.file.content.substring(this.start.offset, this.end.offset);
};
return ParseSourceSpan;
}());
function ParseSourceSpan_tsickle_Closure_declarations() {
/** @type {?} */
ParseSourceSpan.prototype.start;
/** @type {?} */
ParseSourceSpan.prototype.end;
/** @type {?} */
ParseSourceSpan.prototype.details;
}
export var ParseErrorLevel = {};
ParseErrorLevel.WARNING = 0;
ParseErrorLevel.FATAL = 1;
ParseErrorLevel[ParseErrorLevel.WARNING] = "WARNING";
ParseErrorLevel[ParseErrorLevel.FATAL] = "FATAL";
export var ParseError = (function () {
/**
* @param {?} span
* @param {?} msg
* @param {?=} level
*/
function ParseError(span, msg, level) {
if (level === void 0) { level = ParseErrorLevel.FATAL; }
this.span = span;
this.msg = msg;
this.level = level;
}
/**
* @return {?}
*/
ParseError.prototype.toString = function () {
var /** @type {?} */ source = this.span.start.file.content;
var /** @type {?} */ ctxStart = this.span.start.offset;
var /** @type {?} */ contextStr = '';
var /** @type {?} */ details = '';
if (isPresent(ctxStart)) {
if (ctxStart > source.length - 1) {
ctxStart = source.length - 1;
}
var /** @type {?} */ ctxEnd = ctxStart;
var /** @type {?} */ ctxLen = 0;
var /** @type {?} */ ctxLines = 0;
while (ctxLen < 100 && ctxStart > 0) {
ctxStart--;
ctxLen++;
if (source[ctxStart] == '\n') {
if (++ctxLines == 3) {
break;
}
}
}
ctxLen = 0;
ctxLines = 0;
while (ctxLen < 100 && ctxEnd < source.length - 1) {
ctxEnd++;
ctxLen++;
if (source[ctxEnd] == '\n') {
if (++ctxLines == 3) {
break;
}
}
}
var /** @type {?} */ context = source.substring(ctxStart, this.span.start.offset) + '[ERROR ->]' +
source.substring(this.span.start.offset, ctxEnd + 1);
contextStr = " (\"" + context + "\")";
}
if (this.span.details) {
details = ", " + this.span.details;
}
return "" + this.msg + contextStr + ": " + this.span.start + details;
};
return ParseError;
}());
function ParseError_tsickle_Closure_declarations() {
/** @type {?} */
ParseError.prototype.span;
/** @type {?} */
ParseError.prototype.msg;
/** @type {?} */
ParseError.prototype.level;
}
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