# tree-sitter-idl
OMG IDL 4.2(with XTypes extension) grammar for [tree-sitter](https://github.com/tree-sitter/tree-sitter).
- https://www.omg.org/spec/IDL/4.2/PDF
- https://www.omg.org/spec/DDS-XTypes/1.3/PDF
## current state
IDL v4.2:
- [x] 7.3 Preprocessing(partial)
- [x] 7.4.1 Building Block Core Data Types
- [x] 7.4.2 Building Block Any
- [x] 7.4.3 Building Block Interfaces – Basic
- [x] 7.4.4 Building Block Interfaces – Full
- [x] 7.4.5 Building Block Value Types
- [x] 7.4.6 Building Block CORBA-Specific – Interfaces
- [x] 7.4.7 Building Block CORBA-Specific – Value Types
- [x] 7.4.8 Building Block Components – Basic
- [x] 7.4.9 Building Block Components – Homes
- [x] 7.4.10 Building Block CCM-Specific
- [x] 7.4.11 Building Block Components – Ports and Connectors
- [x] 7.4.12 Building Block Template Modules
- [x] 7.4.13 Building Block Extended Data-Types
- [x] 7.4.14 Building Block Anonymous Types
- [x] 7.4.15 Building Block Annotations
- [x] 7.4.16 Relationships between the Building Blocks
- [x] 8 Standardized Annotations
DDS-XTypes v1.3:
- [x] 7.3.1.2.3 Alternative Annotation Syntax
- [x] 7.3.1.2.1 Built-in Annotations
DDS-RPC v1.0:
- [x] 7.3.1 Service Definition in IDL
- [x] 7.5.1.2.1 Annotations for the Enhanced Service Mapping
- [x] 7.4.2.2 Specifying Topic Names using Annotations
## extends
### allow merge case
```idl
union A switch(long) {
case 1:
case 2: //< allow
case 3:
u8 a;
};
```
### allow using simple_type_spec in template parameter
```idl
module MyTemplate <typename T, struct S, long m> {
// ^ allow
};
```
### allow `custom` prop appears in value_box_def
```idl
custom valuetype A a; // value_box_def
// ^ extend grammar
```
### allow omit param_attribute
```idl
interface A {
void f(uint8 b);
};
```
### allow rust style oct number
```idl
const u8 A = 0o3;
```
### allow binary number
```idl
const u8 A = 0b010101;
```
### allow octet in typedef_spec
```idl
union A switch(octet) {};
// ^ allow
```
### allow comma at last of enumator
```idl
enum A {
A,
// ^ allow
};
bitmask A {
@position(0) a,
// ^ allow
};
```
### allow ignore 'name='
```idl
@DDSRequestTopic("RobotRequestTopic")
// ^ allow ignore `name=`
interface RobotControl {
void command(Command com);
};
```
### allow ignore '=xx' in annotation
```idl
@derive(Debug, Clone)
// ^allow ignore "="
struct Hello {};
```
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"description": "# tree-sitter-idl\n\nOMG IDL 4.2(with XTypes extension) grammar for [tree-sitter](https://github.com/tree-sitter/tree-sitter).\n\n- https://www.omg.org/spec/IDL/4.2/PDF\n- https://www.omg.org/spec/DDS-XTypes/1.3/PDF\n\n## current state\n\nIDL v4.2:\n\n- [x] 7.3 Preprocessing(partial)\n- [x] 7.4.1 Building Block Core Data Types\n- [x] 7.4.2 Building Block Any\n- [x] 7.4.3 Building Block Interfaces \u2013 Basic\n- [x] 7.4.4 Building Block Interfaces \u2013 Full\n- [x] 7.4.5 Building Block Value Types\n- [x] 7.4.6 Building Block CORBA-Specific \u2013 Interfaces\n- [x] 7.4.7 Building Block CORBA-Specific \u2013 Value Types\n- [x] 7.4.8 Building Block Components \u2013 Basic\n- [x] 7.4.9 Building Block Components \u2013 Homes\n- [x] 7.4.10 Building Block CCM-Specific\n- [x] 7.4.11 Building Block Components \u2013 Ports and Connectors\n- [x] 7.4.12 Building Block Template Modules\n- [x] 7.4.13 Building Block Extended Data-Types\n- [x] 7.4.14 Building Block Anonymous Types\n- [x] 7.4.15 Building Block Annotations\n- [x] 7.4.16 Relationships between the Building Blocks\n- [x] 8 Standardized Annotations\n\nDDS-XTypes v1.3:\n\n- [x] 7.3.1.2.3 Alternative Annotation Syntax\n- [x] 7.3.1.2.1 Built-in Annotations\n\nDDS-RPC v1.0:\n\n- [x] 7.3.1 Service Definition in IDL\n- [x] 7.5.1.2.1 Annotations for the Enhanced Service Mapping\n- [x] 7.4.2.2 Specifying Topic Names using Annotations\n\n## extends\n\n### allow merge case\n\n```idl\nunion A switch(long) {\n case 1:\n case 2: //< allow\n case 3:\n u8 a;\n};\n```\n\n### allow using simple_type_spec in template parameter\n\n```idl\nmodule MyTemplate <typename T, struct S, long m> {\n // ^ allow\n};\n```\n\n### allow `custom` prop appears in value_box_def\n\n```idl\ncustom valuetype A a; // value_box_def\n// ^ extend grammar\n```\n\n### allow omit param_attribute\n\n```idl\ninterface A {\n void f(uint8 b);\n};\n```\n\n### allow rust style oct number\n\n```idl\nconst u8 A = 0o3;\n```\n\n### allow binary number\n\n```idl\nconst u8 A = 0b010101;\n```\n\n### allow octet in typedef_spec\n\n```idl\nunion A switch(octet) {};\n// ^ allow\n```\n\n### allow comma at last of enumator\n\n```idl\nenum A {\n A,\n// ^ allow\n};\n\nbitmask A {\n @position(0) a,\n// ^ allow\n};\n```\n\n### allow ignore 'name='\n\n```idl\n@DDSRequestTopic(\"RobotRequestTopic\")\n// ^ allow ignore `name=`\ninterface RobotControl {\n void command(Command com);\n};\n```\n\n### allow ignore '=xx' in annotation\n\n```idl\n@derive(Debug, Clone)\n// ^allow ignore \"=\"\nstruct Hello {};\n```\n",
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