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C# support and method annotation parsing #1

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C# support and method annotation parsing #1

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5ea438e
Add C# version of the lexer
tim-slater-gt Mar 21, 2025
9ac86be
Support parsing method parameter and return type annotations
tim-slater-gt Mar 21, 2025
0968840
Add support for multi-dimensional array types in method annotations
tim-slater-gt Apr 6, 2025
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68 changes: 56 additions & 12 deletions src/common/PeopleCodeParser.g4
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Original file line number Diff line number Diff line change
Expand Up @@ -14,30 +14,32 @@ options {
//* MAIN ENTRY POINTS FOR PARSER
//******************************************************************************

/**
* Entry point for an Application Class.
*/
appClass
: importDeclaration* classDeclaration (SEMI+ classExternalDeclaration)* (SEMI* classBody)? SEMI* EOF #AppClassProgram
| importDeclaration* interfaceDeclaration SEMI* EOF #InterfaceProgram
;

/**
* Entry point for a PeopleCode program.
*/
program
: importDeclaration* programPreambles? SEMI* statements? SEMI* EOF
: appClass
| importsBlock programPreambles? SEMI* statements? SEMI* EOF
;


//******************************************************************************
//* ADDITIONAL PARSER RULES
//******************************************************************************

importsBlock
: importDeclaration*
;

importDeclaration
: IMPORT (appPackageAll | appClassPath) SEMI+
;

appClass
: importsBlock classDeclaration (SEMI+ classExternalDeclaration)* (SEMI* classBody)? SEMI* EOF #AppClassProgram
| importsBlock interfaceDeclaration SEMI* EOF #InterfaceProgram
;

appPackageAll
: appPackagePath COLON STAR
;
Expand Down Expand Up @@ -135,6 +137,20 @@ typeT
| simpleType #SimpleTypeType
;

// Special type rule specifically for method annotations, which require Array2/Array3 notation
annotationType
: ARRAY2 OF typeT #AnnotationArray2Type
| ARRAY3 OF typeT #AnnotationArray3Type
| ARRAY4 OF typeT #AnnotationArray4Type
| ARRAY5 OF typeT #AnnotationArray5Type
| ARRAY6 OF typeT #AnnotationArray6Type
| ARRAY7 OF typeT #AnnotationArray7Type
| ARRAY8 OF typeT #AnnotationArray8Type
| ARRAY9 OF typeT #AnnotationArray9Type
| ARRAY OF typeT #AnnotationArray1Type // For single-dimension arrays
| typeT #AnnotationBaseType
;

propertyDeclaration
: PROPERTY typeT genericID GET SET? #PropertyGetSet
| PROPERTY typeT genericID ABSTRACT? READONLY? #PropertyDirect // abstract is sometimes featured before readonly in some delivered classes
Expand Down Expand Up @@ -220,15 +236,15 @@ classMember
;

method
: METHOD genericID SEMI* statements? END_METHOD
: METHOD genericID SEMI* methodAnnotations statements? END_METHOD
;

getter
: GET genericID SEMI* statements END_GET
: GET genericID methodReturnAnnotation SEMI* statements END_GET
;

setter
: SET genericID SEMI* statements? END_SET
: SET genericID methodParameterAnnotation SEMI* statements? END_SET
;

statements
Expand Down Expand Up @@ -361,6 +377,14 @@ dotAccess
allowableFunctionName
: ANY
| ARRAY
| ARRAY2
| ARRAY3
| ARRAY4
| ARRAY5
| ARRAY6
| ARRAY7
| ARRAY8
| ARRAY9
| BOOLEAN
| COMPONENT
| CONSTANT
Expand Down Expand Up @@ -437,3 +461,23 @@ functionArguments
functionArgument
: USER_VARIABLE (AS typeT)?
;

methodAnnotations
: methodParameterAnnotation* methodReturnAnnotation? methodExtendsAnnotation?
;

methodParameterAnnotation
: SLASH_PLUS methodAnnotationArgument COMMA? PLUS_SLASH
;

methodAnnotationArgument
: USER_VARIABLE AS annotationType OUT?
;

methodReturnAnnotation
: SLASH_PLUS RETURNS annotationType PLUS_SLASH
;

methodExtendsAnnotation
: SLASH_PLUS EXTENDS DIV IMPLEMENTS appClassPath DOT genericID PLUS_SLASH
;
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