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2013-01-16Change the datastructure for UnwrappedLines.Daniel Jasper
It was quite convoluted leading to us accidentally introducing O(N^2) complexity while copying from UnwrappedLine to AnnotatedLine. We might still want to improve the datastructure in AnnotatedLine (most importantly not put them in a vector where they need to be copied on vector resizing but that will be done as a follow-up. This fixes most of the regression in llvm.org/PR14959. No formatting changes intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172602 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Never merge < and ::, as it produces different tokens.Daniel Jasper
Before: vector<::Type> t; After: vector< ::Type> t; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172601 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Remove errors were if statements were incorrectly put on a single line.Daniel Jasper
Before: if (a) // This comment confused clang-format f(); After: if (a) // No more confusion f(); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172600 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Do not traverse the break-state when we know we cannot break anyway.Manuel Klimek
This is an optimization that djasper spottet. For now, we do not format anything after the first token that belongs to such an implicit string literal. All our state is not made for handling that anyway, so we'll revisit this if we find a problem. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172537 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Fix formatting of preprocessor directives (incluces, warnings & errors).Manuel Klimek
Treat tokens inside <> for includes and everything from the second token of a warning / error on as an implicit string literal, e.g. do not change its whitespace at all. Now correctly formats: #include < path with space > #error Leave all white!!!!! space* alone! Note that for #error and #warning we still format the space up to the first token of the text, so: # error Text will become #error Text git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172536 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Improve operator kind detection in presence of comments.Daniel Jasper
We used to incorrectly identify some operators (*, &, +, -, etc.) if there were comments around them. Example: Before: int a = /**/ - 1; After: int a = /**/ -1; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172533 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-15Fixes various bugs around the keywords class, struct and union.Manuel Klimek
This switches to parsing record definitions only if we can clearly identify them. We're specifically allowing common patterns for visibility control through macros and attributes, but we cannot currently fix all instances. This fixes all known bugs we have though. Before: static class A f() { return g(); } int x; After: static class A f() { return g(); } int x; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172530 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Fixes formatting of nested brace initializers.Manuel Klimek
We now format this correctly: Status::Rep Status::global_reps[3] = { { kGlobalRef, OK_CODE, NULL, NULL, NULL }, { kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL }, { kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL } }; - fixed a bug where BreakBeforeClosingBrace would be set on the wrong state - added penalties for breaking between = and {, and between { and any other non-{ token git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172433 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Make single-line if statements optional.Daniel Jasper
Now, "if (a) return;" is only allowed, if this option is set. Also add a Chromium style which is currently identical to Google style except for this option. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172431 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Fix a bug in the line merging.Daniel Jasper
If the first line of a merge would exactly fit into the column limit, an unsigned overflow made us not break. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172426 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Fix bug that would lead to joining preprocessor directives.Daniel Jasper
Before: #include "a.h" #include "b.h" After: #include "a.h" #include "b.h" git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172424 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Put simple preprocessor directives on a single line.Daniel Jasper
Before: #define A \ A After: #define A A git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172423 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Put short if statements on a single line.Daniel Jasper
Before: if (a) return; After: if (a) return; Not yet sure, whether this is always desired, but we can add options and make this a style parameter as we go along. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172413 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Refactor datastructure used in clang-format.Daniel Jasper
Main difference, add an AnnotatedLine class to hold information about a line while formatting. At the same time degrade the UnwrappedLine class to a class solely used for communicating between the UnwrappedLineParser and the Formatter. No functional changes intended. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172403 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Improve understanding post increment and decrement.Daniel Jasper
Before: (a->f()) ++; a[42] ++; After: (a->f())++; a[42]++; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172400 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14Custom DiagnosticConsumer parameter of reformat() + silence diagnostics in ↵Alexander Kornienko
unit tests. Summary: Added tests for clang-format diagnostics. Added DiagnosticConsumer argument to clang::format::reformat(). Reviewers: klimek, djasper Reviewed By: djasper CC: cfe-commits, thakis, rafael.espindola Differential Revision: http://llvm-reviews.chandlerc.com/D290 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172399 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Stronger respect the input codes line breaks wrt. comments.Daniel Jasper
clang-format should not change whether or not there is a line break before a line comment as this strongly influences the percieved binding. User input: void f(int a, // b is awesome int b); void g(int a, // a is awesome int b); Before: void f(int a, // b is awesome int b); void g(int a, // a is awesome int b); After: <unchanged from input> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172361 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Format unions like structs and classes.Daniel Jasper
Note that I don't know whether we should put {} on a single line in this case, but it is probably a theoretical issue as in practice such structs, classes or unions won't be empty. Before: union A {} a; After: union A {} a; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172355 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Always put a space after ",".Daniel Jasper
I am not aware of a case where that would be wrong. The specific case I am fixing are function parameters wrapped in parenthesis (e.g. in macros). Before: function(a,(b)); After: function(a, (b)); git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172351 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Don't put spaces around hyphens in include paths.Daniel Jasper
Before: #include <a - a> After: #include <a-a> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172350 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-13Improve identification of c-style casts.Daniel Jasper
A ")" before any of "=", "{" or ";" won't be a cast. This fixes issues with the formatting of unnamed parameters. Before: void f(int *){} After: void f(int *) {} git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172349 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: Don't insert a space before unary operators after selector names.Nico Weber
Before: [color getRed: &r green: &g blue: &b alpha: &a]; Now: [color getRed:&r green:&g blue:&b alpha:&a]; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172337 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: Remove debugging junk I accidentally landed in r172333.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172334 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: Prefer breaking before ObjC selector names over breaking at their ':'Nico Weber
Before: if ((self = [super initWithContentRect:contentRect styleMask: styleMask backing:NSBackingStoreBuffered defer:YES])) { Now: if ((self = [super initWithContentRect:contentRect styleMask:styleMask backing:NSBackingStoreBuffered defer:YES])) { git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172333 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Remove useless 'llvm::' qualifier from names like StringRef and others that areDmitri Gribenko
brought into 'clang' namespace by clang/Basic/LLVM.h git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172323 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Remove unused private field.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172314 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fix incorrect comparison operator causing loooong formatting times.Daniel Jasper
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172308 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: Remove an always-false condition.Nico Weber
canBreakBefore() does not allow breaking after ':' for LT_ObjCMethodDecl lines, so if Newline is true in addTokenToState() for ':' then LT_ObjCMethodDecl cannot be set. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172307 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: Remove a redundant CurrentLineType check.Nico Weber
The containing if checks for this already. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172306 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: Initial support for formatting Objective-C method expressions. ↵Nico Weber
This follows the approach suggested by djasper in PR14911: When a '[' is seen that's at the start of a line, follows a binary operator, or follows one of : [ ( return throw, that '[' and its closing ']' are marked as TT_ObjCMethodExpr and every ':' in that range that isn't part of a ternary ?: is marked as TT_ObjCMethodExpr as well. Update the layout routines to not output spaces around ':' tokens that are marked TT_ObjCMethodExpr, and only allow breaking after such tokens, not before. Before: [self adjustButton : closeButton_ ofKind : NSWindowCloseButton]; Now: [self adjustButton:closeButton_ ofKind:NSWindowCloseButton]; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172304 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: * and & are binary operators before ( and [.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172303 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: * and & are binary operators after ) and ].Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172302 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Formatter: + and - after { are unary operators.Nico Weber
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172301 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Formatter: Format ObjC static and instance methods consistently, add a test ↵Nico Weber
for that. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172254 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Fix crashes in UnwrappedLineParser on missing parens.Manuel Klimek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172239 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Fix single-line optimization for ObjC.Manuel Klimek
Puts blocks always into multiple lines when they start with an ObjC keyword or minus. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172238 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Fix crash on invalid.Manuel Klimek
if { foo; } would previously crash clang-format. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172232 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Fix parsing of initializer lists with elaborated type specifier.Manuel Klimek
Now we correctly parse and format: verifyFormat("struct foo a = { bar }; int n; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172229 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Implements pulling simple blocks into a single line.Manuel Klimek
void f() { return 42; } The final change that implements the feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172225 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Correct spacing around new and delete.Daniel Jasper
This fixes llvm.org/PR14913. Before: A *a = new(placement) A; After: A *a = new (placement) A; git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172212 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11clang-format: a bit nicer error message.Alexander Kornienko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172211 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Improve handling of trailing declaration annotations.Daniel Jasper
Before: void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) GUARDED_BY( aaaaaaaaaaaaa); After: void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) GUARDED_BY(aaaaaaaaaaaaa); Also did some formatting cleanups with clang-format on the way. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172200 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Improved formatting of constructor initializersDaniel Jasper
Added option to put each constructor initializer on its own line if not all initializers fit on a single line. Enabling this for Google style now as the style guide (arguable) suggests it. Not sure whether we also want it for LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172196 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Refactor IndentState into two classes.Daniel Jasper
As we keep adding more stuff to it, this structure is easier to maintain. At one point we might think about making it an actual class with specific accessors, etc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172188 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Formatter: Put spaces in ObjC method decls in the right place for Google style.Nico Weber
Objective-C method declarations look like this: - (returntype)name:(type)argname anothername:(type)arg2name; In google style, there's no space after the leading '-' but one after "(returntype)" instead (but none after the argument types), see http://google-styleguide.googlecode.com/svn/trunk/objcguide.xml#Method_Declarations_and_Definitions Not inserting the space after '-' is easy, but to insert the space after the return type, the formatter needs to know that a closing parenthesis ends the return type. To do this, I tweaked the code in parse() to check for this, which in turn required moving detection of TT_ObjCMethodSpecifier from annotate() to parse(), because parse() runs before annotate(). (To keep things interesting, the return type is optional, but it's almost always there in practice.) http://llvm-reviews.chandlerc.com/D280 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172140 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Formatter: No spaces around '=' in @property lines.Nico Weber
Before: @property(assign, getter = isEditable) BOOL editable; Now: @property(assign, getter=isEditable) BOOL editable; It'd be nice if some Apple person could let me know if spaces are preferred around '=' in @synthesize lines (see FIXME in the test). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172110 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Formatting: In @implementation etc lines, put a space before protocol lists.Nico Weber
Don't do this in Google style though: http://google-styleguide.googlecode.com/svn/trunk/objcguide.xml#Protocols Most other places (function declarations, variable declarations) still get this wrong, and since this looks very similiar to template instantiations to the lexer (`id <MyProtocol> a = ...`), it's going to be hard to fix in some places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172099 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Refactoring the outermost structure of the formatter.Manuel Klimek
This is the last step of pure shuffling stuff around, the next step will be the actual feature. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172098 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Formatter: Don't put a space in ObjC number literals like @+50Nico Weber
Before: @ -4.5 Now: @-4.5 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172095 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Formatter: Add space before '(' in @implemenation, @interface, @protocol linesNico Weber
The first token in @implementation, @interface, and @protocol lines is now marked TT_ObjCDecl, and lines starting with a TT_ObjCDecl token are now marked LT_ObjCMethodDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172093 91177308-0d34-0410-b5e6-96231b3b80d8
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