style: replace tabs with spaces

Author: bytexenon

the-tiny-lua-compiler.lua

@@ -593,10 +593,10 @@ end
 
 function Tokenizer:consumeLongComment()
   self:consumeCharacter("[")
-    if self.curChar ~= "[" then
+  if self.curChar ~= "[" then
     return self:consumeShortComment()
   end
-local depth = self:calculateDelimiterDepth()
+  local depth = self:calculateDelimiterDepth()
   self:consumeCharacter("[")
   self:consumeUntilEndingDelimiter(depth)
 
@@ -1559,7 +1559,7 @@ function Parser:parseLocalStatement()
       }
     }
   else
--- It's a regular local variable declaration.
+    -- It's a regular local variable declaration.
     -- <ident_list> [= <expr_list>]
     local variables = self:consumeIdentifierList()
     local initializers = {}
@@ -1993,7 +1993,7 @@ CodeGenerator.CONFIG = {
   MAX_REGISTERS  = 250,
 
   -- Maximum amount of elements for a single SETLIST instruction.
--- If more elements are needed, multiple SETLIST instructions are emitted.
+  -- If more elements are needed, multiple SETLIST instructions are emitted.
   SETLIST_MAX = 50,
 
   -- Node kinds that can return multiple values (multiret).
@@ -2113,7 +2113,7 @@ function CodeGenerator:leaveScope()
     -- count how many local variables are declared in this scope to determine
     -- how many registers should be in use at most.
 
--- Arguments are treated as local variables.
+    -- Arguments are treated as local variables.
     local variableCount = 0
     for _ in pairs(currentScope.locals) do
       variableCount = variableCount + 1
@@ -2131,7 +2131,7 @@ function CodeGenerator:leaveScope()
     end
   end
 
--- Remove the current scope from the stack.
+  -- Remove the current scope from the stack.
   table.remove(scopes)
 
   local needClose = currentScope.needClose and not currentScope.isFunction
@@ -2141,8 +2141,8 @@ function CodeGenerator:leaveScope()
 
   if needClose then
     if self.breakJumpPCs then
-self.breakJumpPCs.needClose = true
-end
+      self.breakJumpPCs.needClose = true
+    end
 
     -- OP_CLOSE [A]    close all variables in the stack up to (>=) R(A)
     self:emitInstruction("CLOSE", self.stackSize, 0, 0)
@@ -2328,7 +2328,7 @@ function CodeGenerator:processConstantOrExpression(node, register)
     end
   end
 
--- Otherwise, process it as an expression
+  -- Otherwise, process it as an expression
   return self:processExpressionNode(node, register)
 end
 
@@ -2363,9 +2363,9 @@ function CodeGenerator:patchJump(fromPC, toPC)
   local instruction = self.proto.code[fromPC]
   if not instruction then
     error(
-"CodeGenerator: Invalid 'fromPC' for jump patching: "
-.. tostring(fromPC)
-)
+      "CodeGenerator: Invalid 'fromPC' for jump patching: "
+      .. tostring(fromPC)
+    )
   end
 
   local offset = toPC - (fromPC + 1)
@@ -2387,7 +2387,7 @@ function CodeGenerator:patchBreakJumpsToHere()
   if not self.breakJumpPCs then return end
   self:patchJumpsToHere(self.breakJumpPCs)
   if #self.breakJumpPCs > 0 and self.breakJumpPCs.needClose then
--- OP_CLOSE [A]    close all variables in the stack up to (>=) R(A)
+    -- OP_CLOSE [A]    close all variables in the stack up to (>=) R(A)
     self:emitInstruction("CLOSE", self.stackSize, 0, 0)
   end
   self.breakJumpPCs = nil
@@ -2618,7 +2618,7 @@ function CodeGenerator:processBinaryOperator(node, register)
   -- String concatenation (..)
   elseif operator == ".." then
     local bottomRegister = self:processExpressionNode(left)
-    
+
     -- Optimization: Flatten consecutive concatenations.
     -- That will help us reduce the number of CONCAT instructions.
     -- For example, the expression:
@@ -3011,7 +3011,7 @@ function CodeGenerator:processRepeatStatement(node)
     local conditionRegister = self:processExpressionNode(condition)
 
     if self.currentScope.needClose then
--- OP_CLOSE [A]    close all variables in the stack up to (>=) R(A)
+      -- OP_CLOSE [A]    close all variables in the stack up to (>=) R(A)
       self:emitInstruction("CLOSE", self.currentScope.parentScope.stackSize, 0, 0)
       self.currentScope.needClose = false
     end
@@ -3199,9 +3199,9 @@ function CodeGenerator:generateClosure(proto, closureRegister)
       self:emitInstruction("GETUPVAL", 0, self:findOrCreateUpvalue(upvalueName))
     else -- Assume it's a global.
       error(
-"CodeGenerator: The upvalue cannot be a global: "
-.. upvalueName
-)
+        "CodeGenerator: The upvalue cannot be a global: "
+        .. upvalueName
+      )
     end
   end
 end
@@ -3427,9 +3427,9 @@ end
 function BytecodeEmitter:encodeUint8(value)
   if value < 0 or value > 2^8 - 1 then
     error(
-"BytecodeEmitter: encodeUint8 value out of range of u8: "
-.. tostring(value)
-)
+      "BytecodeEmitter: encodeUint8 value out of range of u8: "
+      .. tostring(value)
+    )
   end
 
   return string.char(value % 256)
@@ -3439,9 +3439,9 @@ end
 function BytecodeEmitter:encodeUint32(value)
   if value < 0 or value > 2^32 - 1 then
     error(
-"BytecodeEmitter: encodeUint32 value out of range of u32: "
-.. tostring(value)
-)
+      "BytecodeEmitter: encodeUint32 value out of range of u32: "
+      .. tostring(value)
+    )
   end
 
   local b1 = value % 256 value = math.floor(value / 256)
@@ -3456,9 +3456,9 @@ end
 function BytecodeEmitter:encodeUint64(value)
   if value < 0 or value > 2^64 - 1 then
     error(
-"BytecodeEmitter: encodeUint64 value out of range of u64: "
-.. tostring(value)
-)
+      "BytecodeEmitter: encodeUint64 value out of range of u64: "
+      .. tostring(value)
+    )
   end
 
   local lowWord  = value % 2^32
@@ -3485,7 +3485,7 @@ function BytecodeEmitter:encodeFloat64(value)
     -- The special representation for NaN is:
     --  exponent = all bits set to 1 (2047)
     --  faction  = non-zero value for quiet NaN (we'll use 1)
---
+    --
     -- Fun fact: IEEE 754 defines two types of NaN:
     --   - Quiet NaN (qNaN): The most significant bit of the fraction is set to 1.
     --   - Signaling NaN (sNaN): The most significant bit of the fraction is set to 0.
@@ -3681,10 +3681,10 @@ function BytecodeEmitter:encodeInstruction(instruction)
   end
 
   error(
-"BytecodeEmitter: Unsupported instruction format for '"
-.. instructionName
-.. "'"
-)
+    "BytecodeEmitter: Unsupported instruction format for '"
+    .. instructionName
+    .. "'"
+  )
 end
 
 -- Serializes the code section of a function prototype.
@@ -3718,8 +3718,8 @@ end
 function BytecodeEmitter:encodePrototype(proto)
   -- Basic validation of the function prototype.
   if not proto.code or not proto.constants then
-error("BytecodeEmitter: Invalid function prototype")
-    end
+    error("BytecodeEmitter: Invalid function prototype")
+  end
 
   return table.concat({
     -- Header --
@@ -3814,7 +3814,7 @@ end
 
 function VirtualMachine:pushClosure(closure)
   closure = {
-        env       = closure.env       or _G,
+    env       = closure.env       or _G,
     proto     = closure.proto,
     upvalues  = closure.upvalues  or {},
   }
@@ -4133,7 +4133,7 @@ function VirtualMachine:executeClosure(...)
         top = a + b
       end
 
-            -- Optimization:
+      -- Optimization:
       --   Since TAILCALL always comes before RETURN,
       --   we can just return the function call results directly.
 
@@ -4285,27 +4285,27 @@ function VirtualMachine:executeClosure(...)
           }
           upvalueStack[index] = upvalue
           if index > maxUpvalue then
-maxUpvalue = index
-end
+            maxUpvalue = index
+          end
           table.insert(tProtoUpvalues, upvalue)
         elseif nextOpname == "GETUPVAL" then
           local upvalue = upvalues[index + 1]
           table.insert(tProtoUpvalues, upvalue)
         else
           error(
-"Unexpected instruction while capturing upvalues: "
-.. tostring(nextOpname)
-)
+            "Unexpected instruction while capturing upvalues: "
+            .. tostring(nextOpname)
+          )
         end
       end
 
       local tClosure = {
-                env       = nil,
+        env       = nil,
         proto     = tProto,
         upvalues  = tProtoUpvalues,
       }
 
-            stack[a] = function(...)
+      stack[a] = function(...)
         self:pushClosure(tClosure)
         local nReturns, returns = pack(self:executeClosure(...))
         self:pushClosure(closure)
@@ -4316,15 +4316,15 @@ end
     -- OP_VARARG [A, B]    R(A), R(A+1), ..., R(A+B-1) = vararg
     -- Load vararg function arguments into registers.
     elseif opname == "VARARG" then
-local upperBound = b - 1
+      local upperBound = b - 1
       if b == USE_CURRENT_TOP then
         top = a + varargLen
         upperBound = top
-        end
-      
-        for i = 1, upperBound do
-          stack[a + i - 1] = vararg[i]
-              end
+      end
+
+      for i = 1, upperBound do
+        stack[a + i - 1] = vararg[i]
+      end
     else
       error("Unimplemented instruction: " .. tostring(opname))
     end
@@ -4337,7 +4337,7 @@ end
 function VirtualMachine:execute()
   -- Push main closure.
   self:pushClosure({
-        env       = _G,
+    env       = _G,
     proto     = self.mainProto,
     upvalues  = {},
   })