Only record one in n line endings to save space.
R=yangguo@chromium.org BUG= Review URL: https://codereview.chromium.org/1137683003 Cr-Commit-Position: refs/heads/master@{#28837}
This commit is contained in:
erikcorry
Commit bot
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commit
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@ -2552,8 +2552,7 @@ void Debug::OnCompileError(Handle<Script> script) {
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}
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void Debug::OnDebugBreak(Handle<Object> break_points_hit,
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bool auto_continue) {
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void Debug::OnDebugBreak(Handle<Object> break_points_hit, bool auto_continue) {
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// The caller provided for DebugScope.
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AssertDebugContext();
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// Bail out if there is no listener for this event
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@ -511,18 +511,9 @@ class CaptureStackTraceHelper {
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// line_number is already shifted by the script_line_offset.
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int relative_line_number = line_number - script_line_offset;
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if (!column_key_.is_null() && relative_line_number >= 0) {
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Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends()));
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int start = (relative_line_number == 0) ? 0 :
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Smi::cast(line_ends->get(relative_line_number - 1))->value() + 1;
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int column_offset = position - start;
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if (relative_line_number == 0) {
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// For the case where the code is on the same line as the script
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// tag.
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column_offset += script->column_offset()->value();
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}
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int column = Script::GetColumnNumber(script, position);
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JSObject::AddProperty(stack_frame, column_key_,
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handle(Smi::FromInt(column_offset + 1), isolate_),
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NONE);
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handle(Smi::FromInt(column + 1), isolate_), NONE);
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}
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JSObject::AddProperty(stack_frame, line_key_,
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handle(Smi::FromInt(line_number + 1), isolate_),
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@ -305,6 +305,13 @@ macro ORDERED_HASH_MAP_CHAIN_AT(table, entry, numBuckets) = (FIXED_ARRAY_GET(tab
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# Must match OrderedHashTable::kNotFound.
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define NOT_FOUND = -1;
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# Line ends array constants - see v8::internal::Script
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define REDUCTION_INDEX = 0;
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define NUMBER_OF_LINES_INDEX = 1;
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define FIRST_LINE_END_INDEX = 2;
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define ASCII_NL = 10;
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define ASCII_CR = 13;
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# Check whether debug is active.
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define DEBUG_IS_ACTIVE = (%_DebugIsActive() != 0);
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macro DEBUG_IS_STEPPING(function) = (%_DebugIsActive() != 0 && %DebugCallbackSupportsStepping(function));
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131
src/messages.js
131
src/messages.js
@ -40,6 +40,7 @@ var InternalArray = utils.InternalArray;
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var ObjectDefineProperty = utils.ObjectDefineProperty;
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var ArrayJoin;
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var MathFloor;
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var ObjectToString;
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var StringCharAt;
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var StringIndexOf;
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@ -47,6 +48,7 @@ var StringSubstring;
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utils.Import(function(from) {
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ArrayJoin = from.ArrayJoin;
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MathFloor = from.MathFloor;
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ObjectToString = from.ObjectToString;
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StringCharAt = from.StringCharAt;
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StringIndexOf = from.StringIndexOf;
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@ -203,41 +205,94 @@ function GetSourceLine(message) {
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return location.sourceText();
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}
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function Newlines(source, from, to, reduction) {
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var newLines = new InternalArray();
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if (!IS_STRING(source)) return newLines;
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var length = source.length;
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for (; from < to && from < length && newLines.length < reduction - 1
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; ++from) {
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var c = %_StringCharCodeAt(source, from);
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if (c == ASCII_CR) {
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if (from < length - 1) {
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var c2 = %_StringCharCodeAt(source, from + 1);
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if (c2 == ASCII_NL) {
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from++; // CR-LF counts as one newline.
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}
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}
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newLines.push(from);
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} else if (c == ASCII_NL) {
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newLines.push(from);
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}
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}
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// End-of-file virtual end-of-line.
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if (to >= length) {
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var last = length != 0 ? %_StringCharCodeAt(source, length - 1) : 0;
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if (last != ASCII_NL && last != ASCII_CR) newLines.push(source.length - 1);
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}
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return newLines;
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}
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function ScriptLineEnd(line) {
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if (line < 0) return -1;
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var source = this.source;
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if (!IS_STRING(source)) return -1;
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var line_ends = this.line_ends;
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var reduction = line_ends[REDUCTION_INDEX];
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var index = MathFloor(line / reduction) + FIRST_LINE_END_INDEX;
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if (index >= line_ends.length) return -1;
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var position = line_ends[index];
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if (line % reduction == 0) return position;
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var lines = Newlines(source, position + 1, source.length, reduction);
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return lines[line % reduction - 1];
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}
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/**
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* Find a line number given a specific source position.
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* @param {number} position The source position.
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* @return {number} 0 if input too small, -1 if input too large,
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else the line number.
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* @return {number} -1 if position too large, else the 0-based line number.
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*/
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function ScriptLineFromPosition(position) {
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var lower = 0;
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var upper = this.lineCount() - 1;
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var source = this.source;
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if (!IS_STRING(source)) return -1;
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var line_ends = this.line_ends;
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var lower = FIRST_LINE_END_INDEX;
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var upper = line_ends.length - 1;
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// We'll never find invalid positions so bail right away.
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if (position > line_ends[upper]) {
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return -1;
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}
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var reduction = line_ends[REDUCTION_INDEX];
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// This '>' would normally be a '>=', but due to {}-less 'with' statements in
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// top-level code we sometimes encounter code positions that are one character
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// after the end of the source. See comment in Rewriter::Rewrite.
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if (position > source.length) return -1;
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// This means we don't have to safe-guard indexing line_ends[i - 1].
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if (position <= line_ends[0]) {
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return 0;
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}
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var index = 0;
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// Binary search to find line # from position range.
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while (upper >= 1) {
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var i = (lower + upper) >> 1;
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if (position > line_ends[i]) {
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lower = i + 1;
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} else if (position <= line_ends[i - 1]) {
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upper = i - 1;
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} else {
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return i;
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if (position > line_ends[upper]) {
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index = upper;
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} else {
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// Invariant: position > line_ends[lower]
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// Invariant: position <= line_ends[upper]
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while (lower + 1 < upper) {
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// Since they differ by at least 2, i must be different from both
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// upper or lower.
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var i = (lower + upper) >> 1;
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if (position > line_ends[i]) {
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lower = i;
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} else {
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upper = i;
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}
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}
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index = lower;
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}
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return -1;
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var line = (index - FIRST_LINE_END_INDEX) * reduction;
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return line +
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Newlines(source, line_ends[index] + 1, position, reduction).length;
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}
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/**
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@ -250,14 +305,19 @@ function ScriptLineFromPosition(position) {
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*/
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function ScriptLocationFromPosition(position,
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include_resource_offset) {
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// Get zero-based line number.
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var line = this.lineFromPosition(position);
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if (line == -1) return null;
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// Determine start, end and column.
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var line_ends = this.line_ends;
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var start = line == 0 ? 0 : line_ends[line - 1] + 1;
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var end = line_ends[line];
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if (end > 0 && %_CallFunction(this.source, end - 1, StringCharAt) == '\r') {
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var start = this.lineEnd(line) + 1;
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// End will be used for substr, so make it non-inclusive.
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var end = this.lineEnd(line + 1) + 1;
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if (end > this.source.length) end = this.source.length;
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// But trim the newline if there is one (there might not be at EOF).
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while (end > start) {
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var trim_char = %_CallFunction(this.source, end - 1, StringCharAt);
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if (trim_char != '\n' && trim_char != '\r') break;
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end--;
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}
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var column = position - start;
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@ -317,7 +377,7 @@ function ScriptLocationFromLine(opt_line, opt_column, opt_offset_position) {
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}
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return this.locationFromPosition(
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this.line_ends[offset_line + line - 1] + 1 + column); // line > 0 here.
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this.lineEnd(offset_line + line) + 1 + column); // line > 0 here.
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}
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}
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@ -351,15 +411,14 @@ function ScriptSourceSlice(opt_from_line, opt_to_line) {
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return null;
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}
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var line_ends = this.line_ends;
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var from_position = from_line == 0 ? 0 : line_ends[from_line - 1] + 1;
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var to_position = to_line == 0 ? 0 : line_ends[to_line - 1] + 1;
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var from_position = this.lineEnd(from_line) + 1;
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var to_position = this.lineEnd(to_line) + 1;
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// Return a source slice with line numbers re-adjusted to the resource.
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return new SourceSlice(this,
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from_line + this.line_offset,
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to_line + this.line_offset,
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from_position, to_position);
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from_position, to_position);
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}
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@ -377,9 +436,8 @@ function ScriptSourceLine(opt_line) {
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}
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// Return the source line.
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var line_ends = this.line_ends;
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var start = line == 0 ? 0 : line_ends[line - 1] + 1;
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var end = line_ends[line];
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var start = this.lineEnd(line) + 1;
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var end = this.lineEnd(line + 1);
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return %_CallFunction(this.source, start, end, StringSubstring);
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}
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@ -391,7 +449,7 @@ function ScriptSourceLine(opt_line) {
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*/
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function ScriptLineCount() {
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// Return number of source lines.
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return this.line_ends.length;
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return this.line_ends[NUMBER_OF_LINES_INDEX];
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}
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@ -426,7 +484,8 @@ utils.SetUpLockedPrototype(Script, [
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"sourceSlice", ScriptSourceSlice,
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"sourceLine", ScriptSourceLine,
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"lineCount", ScriptLineCount,
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"nameOrSourceURL", ScriptNameOrSourceURL
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"nameOrSourceURL", ScriptNameOrSourceURL,
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"lineEnd", ScriptLineEnd
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]
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);
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184
src/objects.cc
184
src/objects.cc
@ -8901,18 +8901,62 @@ static void CalculateLineEndsImpl(Isolate* isolate,
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Vector<const SourceChar> src,
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bool include_ending_line) {
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const int src_len = src.length();
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bool exotic_newlines = false;
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if (include_ending_line) {
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// Initally assume reduction is 1, ie all line endings are in the array.
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DCHECK_EQ(line_ends->length(), Script::kReductionIndex);
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line_ends->Add(1);
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// Write a placeholder for the number-of-lines indicator.
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DCHECK_EQ(line_ends->length(), Script::kNumberOfLinesIndex);
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line_ends->Add(0);
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DCHECK_EQ(line_ends->length(), Script::kFirstLineEndIndex);
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// There's a fictional newline just before the first character. This
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// simplifies a lot of things.
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line_ends->Add(-1);
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}
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UnicodeCache* cache = isolate->unicode_cache();
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for (int i = 0; i < src_len - 1; i++) {
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SourceChar current = src[i];
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SourceChar next = src[i + 1];
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if (cache->IsLineTerminatorSequence(current, next)) line_ends->Add(i);
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if (cache->IsLineTerminatorSequence(current, next)) {
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if (current != '\n' && current != '\r') exotic_newlines = true;
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line_ends->Add(i);
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}
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}
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if (src_len > 0 && cache->IsLineTerminatorSequence(src[src_len - 1], 0)) {
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line_ends->Add(src_len - 1);
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int last_posn = src_len - 1;
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if (last_posn >= 0 && cache->IsLineTerminatorSequence(src[last_posn], 0)) {
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if (src[last_posn] != '\n' && src[last_posn] != '\r')
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exotic_newlines = true;
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line_ends->Add(last_posn);
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} else if (include_ending_line) {
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// Even if the last line misses a line end, it is counted.
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line_ends->Add(src_len);
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// Even if the last line misses a line end, it is counted. Because we
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// sometimes use character positions that are one beyond the end of the
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// source (see Rewriter::Rewrite) we set the newline one beyond that.
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// This is used for substr calculations, which trims to string length,
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// so it's harmless.
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line_ends->Add(last_posn + 1);
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}
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if (include_ending_line) {
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// Update number of lines in script.
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int lines = line_ends->length() - (Script::kFirstLineEndIndex + 1);
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line_ends->Set(Script::kNumberOfLinesIndex, lines);
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// Abuse some flags. The bots will run with a good variety of these flags,
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// giving better coverage for the reduction code.
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bool always_reduce = FLAG_always_opt;
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bool never_reduce = !FLAG_crankshaft;
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if (!never_reduce && !exotic_newlines &&
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(always_reduce ||
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(line_ends->length() > 5 && line_ends->length() * 8 > src_len / 12))) {
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// If the line-ends array (8 bytes per entry) is larger than about 8%
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// of the source length, then we reduce it to save memory. This won't
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// trigger if lines are > 100 characters on average. If it triggers, then
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// the goal is for it to take only 3% of the source size.
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int reduction =
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always_reduce ? 2 : (line_ends->length() * 8 * 33 / src_len);
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DCHECK(reduction > 1);
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line_ends->Set(Script::kReductionIndex, reduction);
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}
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}
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}
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@ -8941,12 +8985,30 @@ Handle<FixedArray> String::CalculateLineEnds(Handle<String> src,
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include_ending_line);
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}
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}
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int line_count = line_ends.length();
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Handle<FixedArray> array = isolate->factory()->NewFixedArray(line_count);
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for (int i = 0; i < line_count; i++) {
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array->set(i, Smi::FromInt(line_ends[i]));
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if (include_ending_line) {
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const int kReductionIndex = Script::kReductionIndex;
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const int kFirstLineEndIndex = Script::kFirstLineEndIndex;
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int line_count = line_ends.length() - kFirstLineEndIndex;
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int reduction = line_ends[kReductionIndex];
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int reduced_lines = (line_count + reduction - 1) / reduction;
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Handle<FixedArray> array =
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isolate->factory()->NewFixedArray(kFirstLineEndIndex + reduced_lines);
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for (int i = 0; i < kFirstLineEndIndex; i++) {
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array->set(i, Smi::FromInt(line_ends[i]));
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}
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int j = kFirstLineEndIndex;
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for (int i = 0; i < line_count; i += reduction, ++j) {
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array->set(j, Smi::FromInt(line_ends[i + kFirstLineEndIndex]));
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}
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return array;
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} else {
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Handle<FixedArray> array =
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isolate->factory()->NewFixedArray(line_ends.length());
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for (int i = 0; i < line_ends.length(); i++) {
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array->set(i, Smi::FromInt(line_ends[i]));
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}
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return array;
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}
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return array;
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}
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@ -10304,41 +10366,113 @@ void Script::InitLineEnds(Handle<Script> script) {
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}
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static int CountForwardNNewlines(Handle<Script> script, int block_position,
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int n) {
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int position = block_position;
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Handle<Object> source_object(script->source(), script->GetIsolate());
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if (!source_object->IsString() || n == 0) return position;
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Handle<String> source(Handle<String>::cast(source_object));
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int length = source->length();
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for (int i = position; i < length; i++) {
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uc16 current = source->Get(i);
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if (current == '\r') {
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n--;
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if (i + 1 < length && source->Get(i + 1) == '\n') i++;
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} else if (current == '\n') {
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n--;
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}
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if (n == 0) return i + 1;
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}
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if (n == 1 && length > 0) {
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uc16 last = source->Get(length - 1);
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if (last != '\n' && last != '\r') return length;
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}
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return -1;
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}
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int Script::GetColumnNumber(Handle<Script> script, int code_pos) {
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// Get zero-based line number.
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int line_number = GetLineNumber(script, code_pos);
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if (line_number == -1) return -1;
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DisallowHeapAllocation no_allocation;
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FixedArray* line_ends_array = FixedArray::cast(script->line_ends());
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line_number = line_number - script->line_offset()->value();
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if (line_number == 0) return code_pos + script->column_offset()->value();
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int prev_line_end_pos =
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Smi::cast(line_ends_array->get(line_number - 1))->value();
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return code_pos - (prev_line_end_pos + 1);
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int reduction = Smi::cast(line_ends_array->get(kReductionIndex))->value();
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int line_block_position =
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Smi::cast(line_ends_array->get(line_number / reduction +
|
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kFirstLineEndIndex))->value() +
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1;
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int line_position = CountForwardNNewlines(script, line_block_position,
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line_number % reduction);
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if (line_number == 0) line_position = -script->column_offset()->value();
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return code_pos - line_position;
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}
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// Zero-based line number, calculated from UTF16 character position.
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int Script::GetLineNumberWithArray(int code_pos) {
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DisallowHeapAllocation no_allocation;
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DCHECK(line_ends()->IsFixedArray());
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FixedArray* line_ends_array = FixedArray::cast(line_ends());
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int line_ends_len = line_ends_array->length();
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if (line_ends_len == 0) return -1;
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||||
if (line_ends_len == 0) return -1; // This happens if there is no source.
|
||||
// There's always at least one line ending: A fictional newline just before
|
||||
// the start.
|
||||
DCHECK_GE(line_ends_len, kFirstLineEndIndex + 1);
|
||||
int lower = kFirstLineEndIndex;
|
||||
int upper = line_ends_len - 1;
|
||||
|
||||
if ((Smi::cast(line_ends_array->get(0)))->value() >= code_pos) {
|
||||
return line_offset()->value();
|
||||
if (code_pos < 0) return -1;
|
||||
int index = 0;
|
||||
|
||||
if (code_pos > Smi::cast(line_ends_array->get(upper))->value()) {
|
||||
index = upper;
|
||||
} else {
|
||||
while (lower + 1 < upper) {
|
||||
DCHECK_LE(Smi::cast(line_ends_array->get(lower))->value(), code_pos);
|
||||
DCHECK_LE(code_pos, Smi::cast(line_ends_array->get(upper))->value());
|
||||
int i = (lower + upper) >> 1;
|
||||
DCHECK(lower != i && upper != i);
|
||||
if ((Smi::cast(line_ends_array->get(i)))->value() >= code_pos) {
|
||||
upper = i;
|
||||
} else {
|
||||
lower = i;
|
||||
}
|
||||
}
|
||||
index = lower;
|
||||
}
|
||||
|
||||
int left = 0;
|
||||
int right = line_ends_len;
|
||||
while (int half = (right - left) / 2) {
|
||||
if ((Smi::cast(line_ends_array->get(left + half)))->value() > code_pos) {
|
||||
right -= half;
|
||||
} else {
|
||||
left += half;
|
||||
int reduction = Smi::cast(line_ends_array->get(kReductionIndex))->value();
|
||||
int line_number = (index - kFirstLineEndIndex) * reduction;
|
||||
|
||||
// We only saved an nth of the line ends in the array, because there were so
|
||||
// many.
|
||||
int start_of_earlier_line =
|
||||
Smi::cast(line_ends_array->get(index))->value() + 1;
|
||||
|
||||
if (reduction == 1 || !source()->IsString()) {
|
||||
return line_number + line_offset()->value();
|
||||
}
|
||||
String* src = String::cast(source());
|
||||
// This '>' would normally be a '>=', but due to {}-less 'with' statements in
|
||||
// top-level code we sometimes encounter code positions that are one character
|
||||
// after the end of the source. See comment in Rewriter::Rewrite.
|
||||
if (code_pos > src->length()) return -1;
|
||||
for (int i = start_of_earlier_line; i < src->length() && i < code_pos; i++) {
|
||||
uc16 current = src->Get(i);
|
||||
if (current == '\r') {
|
||||
if (i < code_pos - 1 && i < src->length() - 1 && src->Get(i + 1) == '\n')
|
||||
i++;
|
||||
line_number++;
|
||||
} else if (current == '\n') {
|
||||
line_number++;
|
||||
}
|
||||
}
|
||||
return right + line_offset()->value();
|
||||
return line_number + line_offset()->value();
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -6540,6 +6540,11 @@ class Script: public Struct {
|
||||
static const int kSourceMappingUrlOffset = kSourceUrlOffset + kPointerSize;
|
||||
static const int kSize = kSourceMappingUrlOffset + kPointerSize;
|
||||
|
||||
// Sync with constants in macros.py.
|
||||
static const int kReductionIndex = 0;
|
||||
static const int kNumberOfLinesIndex = 1;
|
||||
static const int kFirstLineEndIndex = 2;
|
||||
|
||||
private:
|
||||
int GetLineNumberWithArray(int code_pos);
|
||||
|
||||
|
||||
@ -235,6 +235,9 @@ bool Rewriter::Rewrite(ParseInfo* info) {
|
||||
// eval('with ({x:1}) x = 1');
|
||||
// the end position of the function generated for executing the eval code
|
||||
// coincides with the end of the with scope which is the position of '1'.
|
||||
// Note that this may mean the position is outside the source code
|
||||
// completely if there is no terminal newline, curly brace, or semicolon,
|
||||
// often the case for 'eval'.
|
||||
int pos = function->end_position();
|
||||
VariableProxy* result_proxy =
|
||||
processor.factory()->NewVariableProxy(result, pos);
|
||||
|
||||
@ -14301,6 +14301,32 @@ void AnalyzeStackInNativeCode(const v8::FunctionCallbackInfo<v8::Value>& args) {
|
||||
}
|
||||
|
||||
|
||||
void ChangeNewlines(int kind, char* dest, size_t dest_len, const char* source) {
|
||||
if (kind == 0) {
|
||||
for (size_t i = 0; i <= strlen(source); i++) {
|
||||
dest[i] = source[i];
|
||||
}
|
||||
} else {
|
||||
for (size_t i = 0; i <= strlen(source); i++) {
|
||||
char c = source[i];
|
||||
if (c == '\n') {
|
||||
if (kind == 1) {
|
||||
*dest++ = '\r';
|
||||
*dest++ = '\n';
|
||||
} else {
|
||||
// UTF-8 version of 0x2028 newline.
|
||||
*dest++ = '\xe2';
|
||||
*dest++ = '\x80';
|
||||
*dest++ = '\xa8';
|
||||
}
|
||||
} else {
|
||||
*dest++ = c;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Tests the C++ StackTrace API.
|
||||
// TODO(3074796): Reenable this as a THREADED_TEST once it passes.
|
||||
// THREADED_TEST(CaptureStackTrace) {
|
||||
@ -14314,50 +14340,61 @@ TEST(CaptureStackTrace) {
|
||||
v8::FunctionTemplate::New(isolate, AnalyzeStackInNativeCode));
|
||||
LocalContext context(0, templ);
|
||||
|
||||
// Test getting OVERVIEW information. Should ignore information that is not
|
||||
// script name, function name, line number, and column offset.
|
||||
const char *overview_source =
|
||||
"function bar() {\n"
|
||||
" var y; AnalyzeStackInNativeCode(1);\n"
|
||||
"}\n"
|
||||
"function foo() {\n"
|
||||
"\n"
|
||||
" bar();\n"
|
||||
"}\n"
|
||||
"var x;eval('new foo();');";
|
||||
v8::Handle<v8::String> overview_src =
|
||||
v8::String::NewFromUtf8(isolate, overview_source);
|
||||
v8::ScriptCompiler::Source script_source(overview_src,
|
||||
v8::ScriptOrigin(origin));
|
||||
v8::Handle<Value> overview_result(
|
||||
v8::ScriptCompiler::CompileUnbound(isolate, &script_source)
|
||||
->BindToCurrentContext()
|
||||
->Run());
|
||||
CHECK(!overview_result.IsEmpty());
|
||||
CHECK(overview_result->IsObject());
|
||||
for (int i = 0; i < 3; i++) {
|
||||
// Test getting OVERVIEW information. Should ignore information that is not
|
||||
// script name, function name, line number, and column offset.
|
||||
const char* overview_source =
|
||||
"function bar() {\n"
|
||||
" var y; AnalyzeStackInNativeCode(1);\n"
|
||||
"}\n"
|
||||
"function foo() {\n"
|
||||
"\n"
|
||||
" bar();\n"
|
||||
"}\n"
|
||||
"var x;eval('new foo();');";
|
||||
size_t munged_length = strlen(overview_source) * 3 + 1;
|
||||
char* overview_munged_source = new char[munged_length];
|
||||
ChangeNewlines(i, overview_munged_source, munged_length, overview_source);
|
||||
|
||||
// Test getting DETAILED information.
|
||||
const char *detailed_source =
|
||||
"function bat() {AnalyzeStackInNativeCode(2);\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"function baz() {\n"
|
||||
" bat();\n"
|
||||
"}\n"
|
||||
"eval('new baz();');";
|
||||
v8::Handle<v8::String> detailed_src =
|
||||
v8::String::NewFromUtf8(isolate, detailed_source);
|
||||
// Make the script using a non-zero line and column offset.
|
||||
v8::Handle<v8::Integer> line_offset = v8::Integer::New(isolate, 3);
|
||||
v8::Handle<v8::Integer> column_offset = v8::Integer::New(isolate, 5);
|
||||
v8::ScriptOrigin detailed_origin(origin, line_offset, column_offset);
|
||||
v8::ScriptCompiler::Source script_source2(detailed_src, detailed_origin);
|
||||
v8::Handle<v8::UnboundScript> detailed_script(
|
||||
v8::ScriptCompiler::CompileUnbound(isolate, &script_source2));
|
||||
v8::Handle<Value> detailed_result(
|
||||
detailed_script->BindToCurrentContext()->Run());
|
||||
CHECK(!detailed_result.IsEmpty());
|
||||
CHECK(detailed_result->IsObject());
|
||||
v8::Handle<v8::String> overview_src =
|
||||
v8::String::NewFromUtf8(isolate, overview_munged_source);
|
||||
delete[] overview_munged_source;
|
||||
v8::ScriptCompiler::Source script_source(overview_src,
|
||||
v8::ScriptOrigin(origin));
|
||||
v8::Handle<Value> overview_result(
|
||||
v8::ScriptCompiler::CompileUnbound(isolate, &script_source)
|
||||
->BindToCurrentContext()
|
||||
->Run());
|
||||
CHECK(!overview_result.IsEmpty());
|
||||
CHECK(overview_result->IsObject());
|
||||
|
||||
// Test getting DETAILED information.
|
||||
const char* detailed_source =
|
||||
"function bat() {AnalyzeStackInNativeCode(2);\n"
|
||||
"}\n"
|
||||
"\n"
|
||||
"function baz() {\n"
|
||||
" bat();\n"
|
||||
"}\n"
|
||||
"eval('new baz();');";
|
||||
munged_length = strlen(detailed_source) * 3 + 1;
|
||||
char* detailed_munged_source = new char[munged_length];
|
||||
ChangeNewlines(i, detailed_munged_source, munged_length, detailed_source);
|
||||
v8::Handle<v8::String> detailed_src =
|
||||
v8::String::NewFromUtf8(isolate, detailed_munged_source);
|
||||
delete[] detailed_munged_source;
|
||||
// Make the script using a non-zero line and column offset.
|
||||
v8::Handle<v8::Integer> line_offset = v8::Integer::New(isolate, 3);
|
||||
v8::Handle<v8::Integer> column_offset = v8::Integer::New(isolate, 5);
|
||||
v8::ScriptOrigin detailed_origin(origin, line_offset, column_offset);
|
||||
v8::ScriptCompiler::Source script_source2(detailed_src, detailed_origin);
|
||||
v8::Handle<v8::UnboundScript> detailed_script(
|
||||
v8::ScriptCompiler::CompileUnbound(isolate, &script_source2));
|
||||
v8::Handle<Value> detailed_result(
|
||||
detailed_script->BindToCurrentContext()->Run());
|
||||
CHECK(!detailed_result.IsEmpty());
|
||||
CHECK(detailed_result->IsObject());
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -63,11 +63,11 @@ var comment_lines = 28;
|
||||
|
||||
// This is the last position in the entire file (note: this equals
|
||||
// file size of <debug-sourceinfo.js> - 1, since starting at 0).
|
||||
var last_position = 11337;
|
||||
var last_position = 11591;
|
||||
// This is the last line of entire file (note: starting at 0).
|
||||
var last_line = 265;
|
||||
// This is the last column of last line (note: starting at 0 and +1, due
|
||||
// to trailing <LF>).
|
||||
var last_line = 268;
|
||||
// This is the column of the last character (note: starting at 0) due to
|
||||
// final line having a trailing newline that is conceptually part of that line.
|
||||
var last_column = 1;
|
||||
|
||||
// This magic number is the length or the first line comment (actually number
|
||||
@ -250,7 +250,10 @@ assertEquals(158 + start_d, Debug.findFunctionSourceLocation(d, 17, 0).position)
|
||||
|
||||
// Make sure invalid inputs work properly.
|
||||
assertEquals(0, script.locationFromPosition(-1).line);
|
||||
assertEquals(null, script.locationFromPosition(last_position + 1));
|
||||
// We might expect last_position + 1 to be the first illegal position, but we
|
||||
// sometimes generate character positions that are one past the last character.
|
||||
// See Rewriter::Rewrite for details.
|
||||
assertEquals(null, script.locationFromPosition(last_position + 2));
|
||||
|
||||
// Test last position.
|
||||
assertEquals(last_position, script.locationFromPosition(last_position).position);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user