Hover tool

.github/workflows/go.yml

@@ -100,11 +100,10 @@ jobs:
           override: true
 
       - name: Install rust-analyzer
-        run: |
-          mkdir -p ~/.local/bin
-          curl -L https://github.com/rust-analyzer/rust-analyzer/releases/latest/download/rust-analyzer-x86_64-unknown-linux-gnu.gz | gunzip -c - > ~/.local/bin/rust-analyzer
-          chmod +x ~/.local/bin/rust-analyzer
-          echo "$HOME/.local/bin" >> $GITHUB_PATH
+        run: rustup component add rust-analyzer
+
+      - run: rustc --version
+      - run: rust-analyzer --version
 
       - name: Run Rust integration tests
         run: go test ./integrationtests/languages/rust/...

integrationtests/fixtures/snapshots/go/hover/constant.snap

@@ -0,0 +1,12 @@
+```go
+const SharedConstant untyped string = "shared value"
+```
+
+---
+
+SharedConstant is used in multiple files
+
+
+---
+
+[`main.SharedConstant` on pkg.go.dev](https://pkg.go.dev/github.com/isaacphi/mcp-language-server/integrationtests/test-output/go/workspace#SharedConstant)

integrationtests/fixtures/snapshots/go/hover/interface-method-impl.snap

@@ -0,0 +1,23 @@
+```go
+type SharedStruct struct {
+	ID        int
+	Name      string
+	Value     float64
+	Constants []string
+}
+```
+
+---
+
+SharedStruct is a struct used across multiple files
+
+
+```go
+func (s *SharedStruct) GetName() string
+func (s *SharedStruct) Method() string
+func (s *SharedStruct) Process() error
+```
+
+---
+
+[`main.SharedStruct` on pkg.go.dev](https://pkg.go.dev/github.com/isaacphi/mcp-language-server/integrationtests/test-output/go/workspace#SharedStruct)

integrationtests/fixtures/snapshots/go/hover/interface-type.snap

@@ -0,0 +1,15 @@
+```go
+type SharedInterface interface { // size=16 (0x10)
+	Process() error
+	GetName() string
+}
+```
+
+---
+
+SharedInterface defines behavior implemented across files
+
+
+---
+
+[`main.SharedInterface` on pkg.go.dev](https://pkg.go.dev/github.com/isaacphi/mcp-language-server/integrationtests/test-output/go/workspace#SharedInterface)

integrationtests/fixtures/snapshots/go/hover/no-hover-info.snap

@@ -0,0 +1,2 @@
+No hover information available for this position on the following line:
+import "fmt"

integrationtests/fixtures/snapshots/go/hover/outside-file.snap

@@ -0,0 +1 @@
+failed to get hover information: request failed: line number 999 out of range 0-40 (code: 0)

integrationtests/fixtures/snapshots/go/hover/struct-method.snap

@@ -0,0 +1,23 @@
+```go
+type SharedStruct struct {
+	ID        int
+	Name      string
+	Value     float64
+	Constants []string
+}
+```
+
+---
+
+SharedStruct is a struct used across multiple files
+
+
+```go
+func (s *SharedStruct) GetName() string
+func (s *SharedStruct) Method() string
+func (s *SharedStruct) Process() error
+```
+
+---
+
+[`main.SharedStruct` on pkg.go.dev](https://pkg.go.dev/github.com/isaacphi/mcp-language-server/integrationtests/test-output/go/workspace#SharedStruct)

integrationtests/fixtures/snapshots/go/hover/struct-type.snap

@@ -0,0 +1,23 @@
+```go
+type SharedStruct struct { // size=56 (0x38)
+	ID        int
+	Name      string
+	Value     float64
+	Constants []string
+}
+```
+
+---
+
+SharedStruct is a struct used across multiple files
+
+
+```go
+func (s *SharedStruct) GetName() string
+func (s *SharedStruct) Method() string
+func (s *SharedStruct) Process() error
+```
+
+---
+
+[`main.SharedStruct` on pkg.go.dev](https://pkg.go.dev/github.com/isaacphi/mcp-language-server/integrationtests/test-output/go/workspace#SharedStruct)

integrationtests/fixtures/snapshots/python/definition/class.snap

@@ -31,7 +31,7 @@ End Position: Line 59, Column 22
 41|        return self.value
 42|
 43|    @staticmethod
-44|    def static_method(items: List[str]) -> Dict[str, int]:
+44|    def static_method(items: list[str]) -> dict[str, int]:
 45|        """Convert a list of items to a dictionary with item counts.
 46|
 47|        Args:
@@ -40,7 +40,7 @@ End Position: Line 59, Column 22
 50|        Returns:
 51|            A dictionary mapping items to their counts
 52|        """
-53|        result: Dict[str, int] = {}
+53|        result: dict[str, int] = {}
 54|        for item in items:
 55|            if item in result:
 56|                result[item] += 1

integrationtests/fixtures/snapshots/python/definition/method.snap

@@ -32,7 +32,7 @@ End Position: Line 59, Column 22
 41|        return self.value
 42|
 43|    @staticmethod
-44|    def static_method(items: List[str]) -> Dict[str, int]:
+44|    def static_method(items: list[str]) -> dict[str, int]:
 45|        """Convert a list of items to a dictionary with item counts.
 46|
 47|        Args:
@@ -41,7 +41,7 @@ End Position: Line 59, Column 22
 50|        Returns:
 51|            A dictionary mapping items to their counts
 52|        """
-53|        result: Dict[str, int] = {}
+53|        result: dict[str, int] = {}
 54|        for item in items:
 55|            if item in result:
 56|                result[item] += 1

integrationtests/fixtures/snapshots/python/definition/static-method.snap

@@ -32,7 +32,7 @@ End Position: Line 59, Column 22
 41|        return self.value
 42|
 43|    @staticmethod
-44|    def static_method(items: List[str]) -> Dict[str, int]:
+44|    def static_method(items: list[str]) -> dict[str, int]:
 45|        """Convert a list of items to a dictionary with item counts.
 46|
 47|        Args:
@@ -41,7 +41,7 @@ End Position: Line 59, Column 22
 50|        Returns:
 51|            A dictionary mapping items to their counts
 52|        """
-53|        result: Dict[str, int] = {}
+53|        result: dict[str, int] = {}
 54|        for item in items:
 55|            if item in result:
 56|                result[item] += 1

integrationtests/fixtures/snapshots/python/definition/variable.snap

@@ -5,5 +5,5 @@ Kind: Variable
 Start Position: Line 83, Column 1
 End Position: Line 83, Column 14
 ===
-83|test_variable: List[int] = [1, 2, 3, 4, 5]
+83|test_variable: list[int] = [1, 2, 3, 4, 5]
 

integrationtests/fixtures/snapshots/python/diagnostics/dependency.snap

@@ -1,18 +1,18 @@
 ===
 /TEST_OUTPUT/workspace/consumer_clean.py
-Location: Line 10, Column 15
+Location: Line 9, Column 15
 Message: Argument missing for parameter "age"
 Source: Pyright
 Code: reportCallIssue
 ===
- 7|def consumer_function() -> None:
- 8|    """Function that consumes the helper functions."""
- 9|    # Use the helper function
-10|    message = helper_function("World")
-11|    print(message)
-12|    
-13|    # Get and process items from the helper
-14|    items = get_items()
-15|    for item in items:
-16|        print(f"Processing {item}")
+ 6|def consumer_function() -> None:
+ 7|    """Function that consumes the helper functions."""
+ 8|    # Use the helper function
+ 9|    message = helper_function("World")
+10|    print(message)
+11|
+12|    # Get and process items from the helper
+13|    items = get_items()
+14|    for item in items:
+15|        print(f"Processing {item}")
 

integrationtests/fixtures/snapshots/python/diagnostics/errors.snap

@@ -8,7 +8,7 @@ Code: reportReturnType
 ===
 25|def function_with_type_error() -> str:
 26|    """A function with a type error.
-27|    
+27|
 28|    Returns:
 29|        Should return a string but actually returns an int
 30|    """
@@ -23,15 +23,15 @@ Code: reportUndefinedVariable
 ===
 34|class ErrorClass:
 35|    """A class with errors."""
-36|    
-37|    def __init__(self, value: Dict[str, Any]):
+36|
+37|    def __init__(self, value: dict[str, Any]):
 38|        """Initialize with errors.
-39|        
+39|
 40|        Args:
 41|            value: A dictionary
 42|        """
 43|        self.value = value
-44|        
+44|
 45|    def method_with_undefined_variable(self) -> None:
 46|        """A method that uses an undefined variable."""
 47|        print(undefined_variable)  # Error: undefined_variable is not defined

integrationtests/fixtures/snapshots/python/hover/class-method.snap

@@ -0,0 +1,12 @@
+(method) def test_method(
+    self: Self@TestClass,
+    increment: int
+) -> int
+
+Increment the value by the given amount.
+
+Args:
+    increment: The amount to increment by
+
+Returns:
+    The new value

integrationtests/fixtures/snapshots/python/hover/class.snap

@@ -0,0 +1,3 @@
+(class) TestClass
+
+A test class with methods and attributes.

integrationtests/fixtures/snapshots/python/hover/constant.snap

@@ -0,0 +1 @@
+(constant) TEST_CONSTANT: Literal['test constant']

integrationtests/fixtures/snapshots/python/hover/derived-class.snap

@@ -0,0 +1,3 @@
+(class) DerivedClass
+
+A class that inherits from BaseClass.

integrationtests/fixtures/snapshots/python/hover/function.snap

@@ -0,0 +1,9 @@
+(function) def test_function(name: str) -> str
+
+A simple test function that returns a greeting message.
+
+Args:
+    name: The name to greet
+
+Returns:
+    A greeting message

integrationtests/fixtures/snapshots/python/hover/no-hover-info.snap

@@ -0,0 +1,2 @@
+No hover information available for this position on the following line:
+

integrationtests/fixtures/snapshots/python/hover/outside-file.snap

@@ -0,0 +1 @@
+No hover information available for this position on the following line:

integrationtests/fixtures/snapshots/python/hover/static-method.snap

@@ -0,0 +1,9 @@
+(method) def static_method(items: list[str]) -> Unknown
+
+Convert a list of items to a dictionary with item counts.
+
+Args:
+    items: A list of strings
+
+Returns:
+    A dictionary mapping items to their counts

integrationtests/fixtures/snapshots/python/hover/variable.snap

@@ -0,0 +1 @@
+(variable) test_variable: list[int]

integrationtests/fixtures/snapshots/python/references/class-method.snap

@@ -33,28 +33,28 @@ Reference at Line 40, Column 19:
 /TEST_OUTPUT/workspace/consumer.py
 References in File: 1
 ===
-Reference at Line 48, Column 41:
-35|def consumer_function() -> None:
-36|    """Function that consumes the helper functions."""
-37|    # Use the helper function
-38|    message = helper_function("World")
-39|    print(message)
-40|    
-41|    # Get and process items from the helper
-42|    items = get_items()
-43|    for item in items:
-44|        print(f"Processing {item}")
-45|    
-46|    # Use the shared class
-47|    shared = SharedClass[str]("consumer", SHARED_CONSTANT)
-48|    print(f"Using shared class: {shared.get_name()} - {shared.get_value()}")
-49|    
-50|    # Use our implementation of the shared interface
-51|    impl = MyImplementation()
-52|    result = impl.process(items)
-53|    print(f"Processed items: {result}")
-54|    
-55|    # Use the enum
-56|    color = Color.RED
-57|    print(f"Selected color: {color}")
+Reference at Line 47, Column 41:
+34|def consumer_function() -> None:
+35|    """Function that consumes the helper functions."""
+36|    # Use the helper function
+37|    message = helper_function("World")
+38|    print(message)
+39|
+40|    # Get and process items from the helper
+41|    items = get_items()
+42|    for item in items:
+43|        print(f"Processing {item}")
+44|
+45|    # Use the shared class
+46|    shared = SharedClass[str]("consumer", SHARED_CONSTANT)
+47|    print(f"Using shared class: {shared.get_name()} - {shared.get_value()}")
+48|
+49|    # Use our implementation of the shared interface
+50|    impl = MyImplementation()
+51|    result = impl.process(items)
+52|    print(f"Processed items: {result}")
+53|
+54|    # Use the enum
+55|    color = Color.RED
+56|    print(f"Selected color: {color}")