Rename to getenv

Author: Yaraslaut

src/shell/ASTPrinter.cpp

@@ -92,7 +92,7 @@ export class ASTPrinter: public Visitor
 
     void visit(VariableSubstExpr const& node) override
     {
-        _result += "substitute";
+        _result += "getenv";
 
         if (node.name)
         {

src/shell/IRGenerator.cpp

@@ -113,7 +113,7 @@ export class IRGenerator final: public CoreVM::IRBuilder, public ast::Visitor
             callArguments.push_back(codegen(node.name.get()));
         }
 
-        _result = createCallFunction(getBuiltinFunction(node.callback.get()), callArguments, "get");
+        _result = createCallFunction(getBuiltinFunction(node.callback.get()), callArguments, "getenv");
     }
 
     void visit(ast::BuiltinFalseStmt const&) override { _result = get(CoreVM::CoreNumber(1)); }

src/shell/Parser.cpp

@@ -92,7 +92,7 @@ export class Parser
             case Token::DollarName: {
                 auto name = std::make_unique<ast::LiteralExpr>(_lexer.currentLiteral());
                _lexer.nextToken();
-                return std::make_unique<ast::VariableSubstExpr>(*_runtime.find("substitute(S)S"), std::move(name));
+                return std::make_unique<ast::VariableSubstExpr>(*_runtime.find("getenv(S)S"), std::move(name));
             }
             case Token::String:
             case Token::Identifier:

src/shell/Shell.cpp

@@ -326,7 +326,7 @@ export class Shell final: public CoreVM::Runtime
         .returnType(CoreVM::LiteralType::Boolean)
         .bind(&Shell::builtinSet, this);
 
-    registerFunction("substitute")
+    registerFunction("getenv")
         .param<std::string>("name")
         .returnType(CoreVM::LiteralType::String)
         .bind(&Shell::builtinVariableSubst, this);