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README.md
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# x86-x64-syntax-highlighting README
# VS Code x86/x64 Assembly Syntax Highlighting Extension
This is the README for your extension "x86-x64-syntax-highlighting". After writing up a brief description, we recommend including the following sections.
## Overview
This Visual Studio Code extension provides comprehensive syntax highlighting for x86 and x64 assembly language using Intel syntax. It's designed to improve readability and understanding of assembly code, including compiler-generated output.
## Features
Describe specific features of your extension including screenshots of your extension in action. Image paths are relative to this README file.
- Syntax highlighting for x86 and x64 assembly instructions
- Support for Intel syntax
- Highlighting of registers, memory operands, and numeric constants
- Recognition of common assembler directives
- Proper highlighting of labels and function names
- Support for compiler-generated assembly features (e.g., CFI directives)
For example if there is an image subfolder under your extension project workspace:
## Installation
\!\[feature X\]\(images/feature-x.png\)
1. Open Visual Studio Code
2. Go to the Extensions view (Ctrl+Shift+X or Cmd+Shift+X on macOS)
3. Search for "x86/x64 Assembly Syntax Highlighting"
4. Click Install
> Tip: Many popular extensions utilize animations. This is an excellent way to show off your extension! We recommend short, focused animations that are easy to follow.
Alternatively, you can download the VSIX file from the releases page and install it manually:
## Requirements
1. Download the `.vsix` file
2. In VS Code, go to the Extensions view
3. Click on the "..." at the top of the Extensions view
4. Choose "Install from VSIX..." and select the downloaded file
If you have any requirements or dependencies, add a section describing those and how to install and configure them.
## Usage
## Extension Settings
Once installed, the extension will automatically provide syntax highlighting for files with the following extensions:
Include if your extension adds any VS Code settings through the `contributes.configuration` extension point.
- `.asm`
- `.s`
If you're working with a file that has a different extension but contains x86/x64 assembly code, you can manually set the language mode:
1. Click on the language indicator in the bottom-right corner of VS Code
2. Select "x86/x64 Assembly" from the list of languages
## Highlighted Elements
This extension provides syntax highlighting for:
- Instructions (e.g., `mov`, `push`, `call`)
- Registers (e.g., `eax`, `rbp`, `r15`)
- Memory operands (e.g., `DWORD PTR`, `QWORD PTR`)
- Numeric constants (decimal and hexadecimal)
- Labels and function names
- Assembler directives (e.g., `.section`, `.globl`)
- CFI directives (e.g., `.cfi_startproc`, `.cfi_endproc`)
- Comments (lines starting with `;`)
## Customization
You can customize the colors used for syntax highlighting by modifying your VS Code color theme. Add or modify entries in your `settings.json` file under `"editor.tokenColorCustomizations"`.
For example:
This extension contributes the following settings:
```json
"editor.tokenColorCustomizations": {
"textMateRules": [
{
"scope": "keyword.control.instruction.x86asm",
"settings": {
"foreground": "#C678DD"
}
},
{
"scope": "variable.language.register.x86asm",
"settings": {
"foreground": "#E06C75"
}
}
]
}
```
* `myExtension.enable`: Enable/disable this extension.
* `myExtension.thing`: Set to `blah` to do something.
## Contributing
## Known Issues
If you find any issues or have suggestions for improvements, please open an issue or submit a pull request on the GitHub repository.
Calling out known issues can help limit users opening duplicate issues against your extension.
## License
## Release Notes
This extension is released under the MIT License. See the LICENSE file for details.
Users appreciate release notes as you update your extension.
## Acknowledgements
### 1.0.0
Initial release of ...
### 1.0.1
Fixed issue #.
### 1.1.0
Added features X, Y, and Z.
---
## Working with Markdown
You can author your README using Visual Studio Code. Here are some useful editor keyboard shortcuts:
* Split the editor (`Cmd+\` on macOS or `Ctrl+\` on Windows and Linux).
* Toggle preview (`Shift+Cmd+V` on macOS or `Shift+Ctrl+V` on Windows and Linux).
* Press `Ctrl+Space` (Windows, Linux, macOS) to see a list of Markdown snippets.
## For more information
* [Visual Studio Code's Markdown Support](http://code.visualstudio.com/docs/languages/markdown)
* [Markdown Syntax Reference](https://help.github.com/articles/markdown-basics/)
**Enjoy!**
Thanks to all contributors and users who have provided feedback and suggestions to improve this extension.

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{
"comments": {
// symbol used for single line comment. Remove this entry if your language does not support line comments
"lineComment": "//",
// symbols used for start and end a block comment. Remove this entry if your language does not support block comments
"blockComment": [ "/*", "*/" ]
"lineComment": ";"
},
// symbols used as brackets
"brackets": [
["{", "}"],
["[", "]"],
["(", ")"]
],
// symbols that are auto closed when typing
"autoClosingPairs": [
["{", "}"],
["[", "]"],
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["\"", "\""],
["'", "'"]
],
// symbols that can be used to surround a selection
"surroundingPairs": [
["{", "}"],
["[", "]"],

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{
"name": "x86-x64-syntax-highlighting",
"displayName": "x86-x64 Syntax Highlighting",
"description": "This is an x86-64 Assembly Syntax Highlighter",
"version": "0.0.1",
"name": "x86-assembly-syntax",
"displayName": "x86/x64 Assembly Syntax",
"description": "Syntax highlighting for x86/x64 assembly with Intel syntax",
"version": "0.0.2",
"engines": {
"vscode": "^1.94.0"
"vscode": "^1.60.0"
},
"categories": [
"Programming Languages"
],
"contributes": {
"languages": [{
"id": "asm",
"aliases": ["assembly", "asm"],
"extensions": [".s",".asm"],
"id": "x86asm",
"aliases": ["x86/x64 Assembly", "x86asm"],
"extensions": [".asm",".s"],
"configuration": "./language-configuration.json"
}],
"grammars": [{
"language": "asm",
"scopeName": "",
"path": "./syntaxes/asm.tmLanguage.json"
"language": "x86asm",
"scopeName": "source.x86asm",
"path": "./syntaxes/x86asm.tmLanguage.json"
}]
}
}
},
"repository": {
"type": "git",
"url": "https://github.com/haxo-games/x86-x64-syntax-highlighting.git"
},
"publisher": "YourPublisherName"
}

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{
"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
"name": "assembly",
"patterns": [
{
"include": "#keywords"
},
{
"include": "#strings"
}
],
"repository": {
"keywords": {
"patterns": [{
"name": "keyword.control.asm",
"match": "\\b(if|while|for|return)\\b"
}]
},
"strings": {
"name": "string.quoted.double.asm",
"begin": "\"",
"end": "\"",
"patterns": [
{
"name": "constant.character.escape.asm",
"match": "\\\\."
}
]
}
},
"scopeName": ""
}

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{
"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
"name": "x86/x64 Assembly",
"patterns": [
{ "include": "#comments" },
{ "include": "#strings" },
{ "include": "#constants" },
{ "include": "#registers" },
{ "include": "#instructions" },
{ "include": "#directives" },
{ "include": "#labels" },
{ "include": "#sections" },
{ "include": "#symbols" },
{ "include": "#functions" },
{ "include": "#memory_operands" }
],
"repository": {
"comments": {
"patterns": [
{
"name": "comment.line.semicolon.x86asm",
"match": ";.*$"
}
]
},
"strings": {
"name": "string.quoted.double.x86asm",
"begin": "\"",
"end": "\"",
"patterns": [
{
"name": "constant.character.escape.x86asm",
"match": "\\\\."
}
]
},
"constants": {
"patterns": [
{
"name": "constant.numeric.hex.x86asm",
"match": "\\b(0x[0-9A-Fa-f]+)\\b"
},
{
"name": "constant.numeric.decimal.x86asm",
"match": "\\b([0-9]+)\\b"
}
]
},
"registers": {
"patterns": [
{
"name": "variable.language.register.x86asm",
"match": "\\b(rax|rbx|rcx|rdx|rsi|rdi|rbp|rsp|r8|r9|r10|r11|r12|r13|r14|r15|eax|ebx|ecx|edx|esi|edi|ebp|esp|ax|bx|cx|dx|si|di|bp|sp|al|bl|cl|dl)\\b"
}
]
},
"instructions": {
"patterns": [
{
"name": "keyword.control.instruction.x86asm",
"match": "\\b(mov|push|pop|call|ret|leave|jmp|je|jne|jz|jnz|add|sub|mul|div|and|or|xor|lea|cmp|test|inc|dec|shl|shr|nop|enter)\\b"
}
]
},
"directives": {
"patterns": [
{
"name": "keyword.control.directive.x86asm",
"match": "\\.(file|intel_syntax|section|text|data|bss|rdata|rodata|globl|local|comm|lcomm|def|scl|type|size|align|ascii|asciz|byte|word|long|quad|space|equ|set|cfi_startproc|cfi_endproc|cfi_def_cfa|cfi_def_cfa_register|cfi_adjust_cfa_offset|cfi_offset|cfi_escape|cfi_restore|ident)\\b"
},
{
"name": "keyword.control.directive.option.x86asm",
"match": "\\bnoprefix\\b"
}
]
},
"labels": {
"patterns": [
{
"name": "entity.name.function.label.x86asm",
"match": "^[a-zA-Z_][a-zA-Z0-9_]*:"
},
{
"name": "entity.name.tag.label.x86asm",
"match": "^L[a-zA-Z0-9_]+:"
}
]
},
"sections": {
"patterns": [
{
"name": "entity.name.section.x86asm",
"match": "\\.(text|data|bss|rdata|rodata|comment)\\b"
}
]
},
"symbols": {
"patterns": [
{
"name": "variable.other.symbol.x86asm",
"match": "\\b__[A-Za-z0-9_]+\\b"
}
]
},
"functions": {
"patterns": [
{
"name": "support.function.x86asm",
"match": "\\b(_*[a-zA-Z_][a-zA-Z0-9_]*)\\b"
}
]
},
"memory_operands": {
"patterns": [
{
"name": "storage.type.memory.x86asm",
"match": "\\b(BYTE|WORD|DWORD|QWORD|XMMWORD|YMMWORD|ZMMWORD)\\s+PTR\\b"
},
{
"name": "storage.type.memory.x86asm",
"match": "\\b(TBYTE|TWORD|DQWORD|OWORD|FWORD)\\b"
}
]
}
},
"scopeName": "source.x86asm"
}