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Make AST Grep Rule Directories Configurable via Environment Variables #134

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Make AST Grep Rule Directories Configurable via Environment Variables #134

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20 changes: 16 additions & 4 deletions lsproxy/src/ast_grep/client.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,18 @@ const SYMBOL_CONFIG_PATH: &str = "/usr/src/ast_grep/symbol/config.yml";
const IDENTIFIER_CONFIG_PATH: &str = "/usr/src/ast_grep/identifier/config.yml";
const REFERENCE_CONFIG_PATH: &str = "/usr/src/ast_grep/reference/config.yml";

fn get_symbol_config_path() -> String {
std::env::var("AST_GREP_SYMBOL_CONFIG").unwrap_or_else(|_| SYMBOL_CONFIG_PATH.to_string())
}

fn get_identifier_config_path() -> String {
std::env::var("AST_GREP_IDENTIFIER_CONFIG").unwrap_or_else(|_| IDENTIFIER_CONFIG_PATH.to_string())
}

fn get_reference_config_path() -> String {
std::env::var("AST_GREP_REFERENCE_CONFIG").unwrap_or_else(|_| REFERENCE_CONFIG_PATH.to_string())
}

use super::types::AstGrepMatch;

pub struct AstGrepClient;
Expand All @@ -16,7 +28,7 @@ impl AstGrepClient {
identifier_position: &lsp_types::Position,
) -> Result<AstGrepMatch, Box<dyn std::error::Error>> {
// Get all symbols in the file
let file_symbols = self.scan_file(SYMBOL_CONFIG_PATH, file_name).await?;
let file_symbols = self.scan_file(&get_symbol_config_path(), file_name).await?;

// Find the symbol that matches our identifier position
let symbol_result = file_symbols.into_iter().find(|ast_symbol_match| {
Expand All @@ -43,14 +55,14 @@ impl AstGrepClient {
&self,
file_name: &str,
) -> Result<Vec<AstGrepMatch>, Box<dyn std::error::Error>> {
self.scan_file(SYMBOL_CONFIG_PATH, file_name).await
self.scan_file(&get_symbol_config_path(), file_name).await
}

pub async fn get_file_identifiers(
&self,
file_name: &str,
) -> Result<Vec<AstGrepMatch>, Box<dyn std::error::Error>> {
self.scan_file(IDENTIFIER_CONFIG_PATH, file_name).await
self.scan_file(&get_identifier_config_path(), file_name).await
}

pub async fn get_symbol_and_references(
Expand All @@ -75,7 +87,7 @@ impl AstGrepClient {
full_scan: bool,
) -> Result<Vec<AstGrepMatch>, Box<dyn std::error::Error>> {
// Get all references
let matches = self.scan_file(REFERENCE_CONFIG_PATH, file_name).await?;
let matches = self.scan_file(&get_reference_config_path(), file_name).await?;

// Filter matches to those within the symbol's range
// And if not full_scan, exclude matches with rule_id "non-function"
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