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Merge pull request #919 from yuriks/styleguide 

Update style rules with to better match current practice.
This commit is contained in:
bunnei 2015-07-11 21:01:36 -04:00
parent a81991aa68 d4f19736a6
commit 8c70b1b8b5
1 changed files with 16 additions and 22 deletions
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CONTRIBUTING.md
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@ -7,19 +7,14 @@ Citra is a brand new project, so we have a great opportunity to keep things clea
* Don't ever introduce new external dependencies into Core * Don't ever introduce new external dependencies into Core
* Don't use any platform specific code in Core * Don't use any platform specific code in Core
* Use namespaces often * Use namespaces often
* Avoid the use of C-style casts and instead prefer C++-style `static_cast` and `reinterpret_cast`. Never use `const_cast` or `dynamic_cast` (we build with RTTI disabled). The only exception to this rule is for casting between two numeric types, where C-style casts are encouraged for brevity and readability.
### Naming Rules ### Naming Rules
* Functions * Functions: `PascalCase`
* PascalCase, "_" may also be used for clarity (e.g. ARM_InitCore) * Variables: `lower_case_underscored`. Prefix with `g_` if global.
* Variables * Classes: `PascalCase`
* lower_case_underscored * Files and Directories: `lower_case_underscored`
* Prefix "g_" if global * Namespaces: `PascalCase`, `_` may also be used for clarity (e.g. `ARM_InitCore`)
* Classes
* PascalCase, "_" may also be used for clarity (e.g. OGL_VideoInterface)
* Files/Folders
* lower_case_underscored
* Namespaces
* PascalCase, "_" may also be used for clarity (e.g. ARM_InitCore)
### Indentation/Whitespace Style ### Indentation/Whitespace Style
Follow the indentation/whitespace style shown below. Do not use tabs, use 4-spaces instead. Follow the indentation/whitespace style shown below. Do not use tabs, use 4-spaces instead.
@ -36,25 +31,25 @@ namespace Example {
// Declare globals at the top // Declare globals at the top
int g_foo = 0; int g_foo = 0;
char* g_some_pointer; // Notice the position of the * char* g_some_pointer; // Pointer * and reference & stick to the type name
/// A colorful enum. /// A colorful enum.
enum SomeEnum { enum SomeEnum {
COLOR_RED, ///< The color of fire. COLOR_RED, ///< The color of fire.
COLOR_GREEN, ///< The color of grass. COLOR_GREEN, ///< The color of grass.
COLOR_BLUE ///< Not actually the color of water. COLOR_BLUE, ///< Not actually the color of water.
}; };
/** /**
* Very important struct that does a lot of stuff. * Very important struct that does a lot of stuff.
* Note that the asterisks are indented by one space. * Note that the asterisks are indented by one space to align to the first line.
*/ */
struct Position { struct Position {
int x, y; int x, y;
}; };
// Use "typename" rather than "class" here, just to be consistent // Use "typename" rather than "class" here
template template <typename T>
void FooBar() { void FooBar() {
int some_array[] = { int some_array[] = {
5, 5,
@ -72,7 +67,7 @@ void FooBar() {
// Comment directly above code when possible // Comment directly above code when possible
if (some_condition) single_statement(); if (some_condition) single_statement();
// Place a single space after the for loop semicolons // Place a single space after the for loop semicolons, prefer pre-increment
for (int i = 0; i != 25; ++i) { for (int i = 0; i != 25; ++i) {
// This is how we write loops // This is how we write loops
} }
@ -83,6 +78,9 @@ void FooBar() {
if (this || condition_takes_up_multiple && if (this || condition_takes_up_multiple &&
lines && like && this || everything || lines && like && this || everything ||
alright || then) { alright || then) {
// Leave a blank space before the if block body if the condition was continued across
// several lines.
} }
switch (var) { switch (var) {
@ -101,11 +99,7 @@ void FooBar() {
break; break;
} }
std::vector std::vector<T> you_can_declare, a_few, variables, like_this;
you_can_declare,
a_few,
variables,
like_this;
} }
} }