919 lines
30 KiB
D
919 lines
30 KiB
D
module tlang.compiler.codegen.emit.dgen;
|
|
|
|
import tlang.compiler.codegen.emit.core : CodeEmitter;
|
|
import tlang.compiler.typecheck.core;
|
|
import std.container.slist : SList;
|
|
import tlang.compiler.codegen.instruction;
|
|
import std.stdio;
|
|
import std.file;
|
|
import std.conv : to;
|
|
import std.string : cmp;
|
|
import gogga;
|
|
import std.range : walkLength;
|
|
import std.string : wrap;
|
|
import std.process : spawnProcess, Pid, ProcessException, wait;
|
|
import tlang.compiler.typecheck.dependency.core : Context, FunctionData, DNode;
|
|
import tlang.compiler.codegen.mapper.core : SymbolMapper;
|
|
import tlang.compiler.symbols.data : SymbolType, Variable, Function, VariableParameter;
|
|
import tlang.compiler.symbols.check : getCharacter;
|
|
import misc.utils : Stack;
|
|
import tlang.compiler.symbols.typing.core : Type, Primitive, Integer, Void, Pointer;
|
|
import tlang.compiler.configuration : CompilerConfiguration;
|
|
|
|
public final class DCodeEmitter : CodeEmitter
|
|
{
|
|
// NOTE: In future store the mapper in the config please
|
|
this(TypeChecker typeChecker, File file, CompilerConfiguration config, SymbolMapper mapper)
|
|
{
|
|
super(typeChecker, file, config, mapper);
|
|
}
|
|
|
|
private ulong transformDepth = 0;
|
|
|
|
private string genTabs(ulong count)
|
|
{
|
|
string tabStr;
|
|
|
|
/* Only generate tabs if enabled in compiler config */
|
|
if(config.getConfig("dgen:pretty_code").getBoolean())
|
|
{
|
|
for(ulong i = 0; i < count; i++)
|
|
{
|
|
tabStr~="\t";
|
|
}
|
|
}
|
|
|
|
return tabStr;
|
|
}
|
|
|
|
/**
|
|
* Given an instance of a Type this will transform it to a string
|
|
*
|
|
* Params:
|
|
* typeIn = The Type to transform
|
|
*
|
|
* Returns: The string representation of the transformed type
|
|
*/
|
|
public string typeTransform(Type typeIn)
|
|
{
|
|
string stringRepr;
|
|
|
|
// TODO: Some types will ident transform
|
|
|
|
/* Pointer types */
|
|
if(cast(Pointer)typeIn)
|
|
{
|
|
/* Extract type being pointed to */
|
|
Pointer pointerType = cast(Pointer)typeIn;
|
|
Type referType = pointerType.getReferredType();
|
|
|
|
/* The type is then `transform(<refertype>)*` */
|
|
return typeTransform(referType)~"*";
|
|
}
|
|
/* Integral types transformation */
|
|
else if(cast(Integer)typeIn)
|
|
{
|
|
Integer integralType = cast(Integer)typeIn;
|
|
|
|
/* u<>_t or <>_t (Determine signedness) */
|
|
string typeString = integralType.isSigned() ? "int" : "uint";
|
|
|
|
/* Width of integer */
|
|
typeString ~= to!(string)(integralType.getSize()*8);
|
|
|
|
/* Trailing `_t` */
|
|
typeString ~= "_t";
|
|
|
|
return typeString;
|
|
}
|
|
/* Void type */
|
|
else if(cast(Void)typeIn)
|
|
{
|
|
return "void";
|
|
}
|
|
|
|
gprintln("Type transform unimplemented");
|
|
assert(false);
|
|
// return stringRepr;
|
|
}
|
|
|
|
|
|
public override string transform(const Instruction instruction)
|
|
{
|
|
writeln("\n");
|
|
gprintln("transform(): "~to!(string)(instruction));
|
|
transformDepth++;
|
|
|
|
// At any return decrement the depth
|
|
scope(exit)
|
|
{
|
|
transformDepth--;
|
|
}
|
|
|
|
/* VariableAssignmentInstr */
|
|
if(cast(VariableAssignmentInstr)instruction)
|
|
{
|
|
gprintln("type: VariableAssignmentInstr");
|
|
|
|
VariableAssignmentInstr varAs = cast(VariableAssignmentInstr)instruction;
|
|
Context context = varAs.getContext();
|
|
|
|
gprintln("Is ContextNull?: "~to!(string)(context is null));
|
|
gprintln("Wazza contect: "~to!(string)(context.container));
|
|
auto typedEntityVariable = typeChecker.getResolver().resolveBest(context.getContainer(), varAs.varName); //TODO: Remove `auto`
|
|
gprintln("Hi"~to!(string)(varAs));
|
|
gprintln("Hi"~to!(string)(varAs.data));
|
|
gprintln("Hi"~to!(string)(varAs.data.getInstrType()));
|
|
|
|
// NOTE: For tetsing issue #94 coercion (remove when done)
|
|
string typeName = (cast(Type)varAs.data.getInstrType()).getName();
|
|
gprintln("VariableAssignmentInstr: The data to assign's type is: "~typeName);
|
|
|
|
|
|
/* If it is not external */
|
|
if(!typedEntityVariable.isExternal())
|
|
{
|
|
string renamedSymbol = mapper.symbolLookup(typedEntityVariable);
|
|
|
|
return renamedSymbol~" = "~transform(varAs.data)~";";
|
|
}
|
|
/* If it is external */
|
|
else
|
|
{
|
|
return typedEntityVariable.getName()~" = "~transform(varAs.data)~";";
|
|
}
|
|
}
|
|
/* VariableDeclaration */
|
|
else if(cast(VariableDeclaration)instruction)
|
|
{
|
|
gprintln("type: VariableDeclaration");
|
|
|
|
VariableDeclaration varDecInstr = cast(VariableDeclaration)instruction;
|
|
Context context = varDecInstr.getContext();
|
|
|
|
Variable typedEntityVariable = cast(Variable)typeChecker.getResolver().resolveBest(context.getContainer(), varDecInstr.varName); //TODO: Remove `auto`
|
|
|
|
/* If the variable is not external */
|
|
if(!typedEntityVariable.isExternal())
|
|
{
|
|
//NOTE: We should remove all dots from generated symbol names as it won't be valid C (I don't want to say C because
|
|
// a custom CodeEmitter should be allowed, so let's call it a general rule)
|
|
//
|
|
//simple_variables.x -> simple_variables_x
|
|
//NOTE: We may need to create a symbol table actually and add to that and use that as these names
|
|
//could get out of hand (too long)
|
|
// NOTE: Best would be identity-mapping Entity's to a name
|
|
string renamedSymbol = mapper.symbolLookup(typedEntityVariable);
|
|
|
|
|
|
// Check to see if this declaration has an assignment attached
|
|
if(typedEntityVariable.getAssignment())
|
|
{
|
|
Value varAssInstr = varDecInstr.getAssignmentInstr();
|
|
gprintln("VarDec(with assignment): My assignment type is: "~varAssInstr.getInstrType().getName());
|
|
|
|
// Generate the code to emit
|
|
return typeTransform(cast(Type)varDecInstr.varType)~" "~renamedSymbol~" = "~transform(varAssInstr)~";";
|
|
}
|
|
|
|
return typeTransform(cast(Type)varDecInstr.varType)~" "~renamedSymbol~";";
|
|
}
|
|
/* If the variable is external */
|
|
else
|
|
{
|
|
return "extern "~typeTransform(cast(Type)varDecInstr.varType)~" "~typedEntityVariable.getName()~";";
|
|
}
|
|
|
|
}
|
|
/* LiteralValue */
|
|
else if(cast(LiteralValue)instruction)
|
|
{
|
|
gprintln("type: LiteralValue");
|
|
|
|
LiteralValue literalValueInstr = cast(LiteralValue)instruction;
|
|
|
|
return to!(string)(literalValueInstr.getLiteralValue());
|
|
}
|
|
/* FetchValueVar */
|
|
else if(cast(FetchValueVar)instruction)
|
|
{
|
|
gprintln("type: FetchValueVar");
|
|
|
|
FetchValueVar fetchValueVarInstr = cast(FetchValueVar)instruction;
|
|
Context context = fetchValueVarInstr.getContext();
|
|
|
|
Variable typedEntityVariable = cast(Variable)typeChecker.getResolver().resolveBest(context.getContainer(), fetchValueVarInstr.varName); //TODO: Remove `auto`
|
|
|
|
/* If it is not external */
|
|
if(!typedEntityVariable.isExternal())
|
|
{
|
|
//TODO: THis is giving me kak (see issue #54), it's generating name but trying to do it for the given container, relative to it
|
|
//TODO: We might need a version of generateName that is like generatenamebest (currently it acts like generatename, within)
|
|
|
|
string renamedSymbol = mapper.symbolLookup(typedEntityVariable);
|
|
|
|
return renamedSymbol;
|
|
}
|
|
/* If it is external */
|
|
else
|
|
{
|
|
return typedEntityVariable.getName();
|
|
}
|
|
}
|
|
/* BinOpInstr */
|
|
else if(cast(BinOpInstr)instruction)
|
|
{
|
|
gprintln("type: BinOpInstr");
|
|
|
|
BinOpInstr binOpInstr = cast(BinOpInstr)instruction;
|
|
|
|
// TODO: I like having `lhs == rhs` for `==` or comparators but not spaces for `lhs+rhs`
|
|
|
|
return transform(binOpInstr.lhs)~to!(string)(getCharacter(binOpInstr.operator))~transform(binOpInstr.rhs);
|
|
}
|
|
/* FuncCallInstr */
|
|
else if(cast(FuncCallInstr)instruction)
|
|
{
|
|
gprintln("type: FuncCallInstr");
|
|
|
|
FuncCallInstr funcCallInstr = cast(FuncCallInstr)instruction;
|
|
Context context = funcCallInstr.getContext();
|
|
assert(context);
|
|
|
|
Function functionToCall = cast(Function)typeChecker.getResolver().resolveBest(context.getContainer(), funcCallInstr.functionName); //TODO: Remove `auto`
|
|
|
|
// TODO: SymbolLookup?
|
|
|
|
string emit = functionToCall.getName()~"(";
|
|
|
|
//TODO: Insert argument passimng code here
|
|
//NOTE: Typechecker must have checked for passing arguments to a function that doesn't take any, for example
|
|
|
|
//NOTE (Behaviour): We may want to actually have an preinliner for these arguments
|
|
//such to enforce a certain ordering. I believe this should be done in the emitter stage,
|
|
//so it is best placed here
|
|
if(functionToCall.hasParams())
|
|
{
|
|
Value[] argumentInstructions = funcCallInstr.getEvaluationInstructions();
|
|
string argumentString;
|
|
|
|
for(ulong argIdx = 0; argIdx < argumentInstructions.length; argIdx++)
|
|
{
|
|
Value currentArgumentInstr = argumentInstructions[argIdx];
|
|
argumentString~=transform(currentArgumentInstr);
|
|
|
|
if(argIdx != (argumentInstructions.length-1))
|
|
{
|
|
argumentString~=", ";
|
|
}
|
|
}
|
|
|
|
emit~=argumentString;
|
|
}
|
|
|
|
emit ~= ")";
|
|
|
|
return emit;
|
|
}
|
|
/* ReturnInstruction */
|
|
else if(cast(ReturnInstruction)instruction)
|
|
{
|
|
gprintln("type: ReturnInstruction");
|
|
|
|
ReturnInstruction returnInstruction = cast(ReturnInstruction)instruction;
|
|
Context context = returnInstruction.getContext();
|
|
assert(context);
|
|
|
|
/* Get the return expression instruction */
|
|
Value returnExpressionInstr = returnInstruction.getReturnExpInstr();
|
|
|
|
return "return "~transform(returnExpressionInstr)~";";
|
|
}
|
|
/**
|
|
* If statements (IfStatementInstruction)
|
|
*/
|
|
else if(cast(IfStatementInstruction)instruction)
|
|
{
|
|
IfStatementInstruction ifStatementInstruction = cast(IfStatementInstruction)instruction;
|
|
|
|
BranchInstruction[] branchInstructions = ifStatementInstruction.getBranchInstructions();
|
|
gprintln("Holla"~to!(string)(branchInstructions));
|
|
|
|
string emit;
|
|
|
|
for(ulong i = 0; i < branchInstructions.length; i++)
|
|
{
|
|
BranchInstruction curBranchInstr = branchInstructions[i];
|
|
|
|
if(curBranchInstr.hasConditionInstr())
|
|
{
|
|
Value conditionInstr = cast(Value)curBranchInstr.getConditionInstr();
|
|
|
|
string hStr = (i == 0) ? "if" : genTabs(transformDepth)~"else if";
|
|
|
|
emit~=hStr~"("~transform(conditionInstr)~")\n";
|
|
|
|
emit~=genTabs(transformDepth)~"{\n";
|
|
|
|
foreach(Instruction branchBodyInstr; curBranchInstr.getBodyInstructions())
|
|
{
|
|
emit~=genTabs(transformDepth)~"\t"~transform(branchBodyInstr)~"\n";
|
|
}
|
|
|
|
emit~=genTabs(transformDepth)~"}\n";
|
|
}
|
|
else
|
|
{
|
|
emit~=genTabs(transformDepth)~"else\n";
|
|
|
|
emit~=genTabs(transformDepth)~"{\n";
|
|
|
|
foreach(Instruction branchBodyInstr; curBranchInstr.getBodyInstructions())
|
|
{
|
|
emit~=genTabs(transformDepth)~"\t"~transform(branchBodyInstr)~"\n";
|
|
}
|
|
|
|
emit~=genTabs(transformDepth)~"}\n";
|
|
}
|
|
}
|
|
|
|
return emit;
|
|
}
|
|
/**
|
|
* While loops (WhileLoopInstruction)
|
|
*
|
|
* TODO: Add do-while check
|
|
*/
|
|
else if(cast(WhileLoopInstruction)instruction)
|
|
{
|
|
WhileLoopInstruction whileLoopInstr = cast(WhileLoopInstruction)instruction;
|
|
|
|
BranchInstruction branchInstr = whileLoopInstr.getBranchInstruction();
|
|
Value conditionInstr = branchInstr.getConditionInstr();
|
|
Instruction[] bodyInstructions = branchInstr.getBodyInstructions();
|
|
|
|
string emit;
|
|
|
|
/* Generate the `while(<expr>)` and opening curly brace */
|
|
emit = "while("~transform(conditionInstr)~")\n";
|
|
emit~=genTabs(transformDepth)~"{\n";
|
|
|
|
/* Transform each body statement */
|
|
foreach(Instruction curBodyInstr; bodyInstructions)
|
|
{
|
|
emit~=genTabs(transformDepth)~"\t"~transform(curBodyInstr)~"\n";
|
|
}
|
|
|
|
/* Closing curly brace */
|
|
emit~=genTabs(transformDepth)~"}";
|
|
|
|
return emit;
|
|
}
|
|
/**
|
|
* For loops (ForLoopInstruction)
|
|
*/
|
|
else if(cast(ForLoopInstruction)instruction)
|
|
{
|
|
ForLoopInstruction forLoopInstr = cast(ForLoopInstruction)instruction;
|
|
|
|
BranchInstruction branchInstruction = forLoopInstr.getBranchInstruction();
|
|
Value conditionInstr = branchInstruction.getConditionInstr();
|
|
Instruction[] bodyInstructions = branchInstruction.getBodyInstructions();
|
|
|
|
string emit = "for(";
|
|
|
|
// Emit potential pre-run instruction
|
|
emit ~= forLoopInstr.hasPreRunInstruction() ? transform(forLoopInstr.getPreRunInstruction()) : ";";
|
|
|
|
// Condition
|
|
emit ~= transform(conditionInstr)~";";
|
|
|
|
// NOTE: We are leaving the post-iteration blank due to us including it in the body
|
|
// TODO: We can hoist bodyInstructions[$] maybe if we want to generate it as C-for-loops
|
|
// if(forLoopInstr.hasPostIterationInstruction())
|
|
emit ~= ")\n";
|
|
|
|
// Open curly (begin body)
|
|
emit~=genTabs(transformDepth)~"{\n";
|
|
|
|
/* Transform each body statement */
|
|
foreach(Instruction curBodyInstr; bodyInstructions)
|
|
{
|
|
emit~=genTabs(transformDepth)~"\t"~transform(curBodyInstr)~"\n";
|
|
}
|
|
|
|
// Close curly (body end)
|
|
emit~=genTabs(transformDepth)~"}";
|
|
|
|
return emit;
|
|
}
|
|
/**
|
|
* Unary operators (UnaryOpInstr)
|
|
*/
|
|
else if(cast(UnaryOpInstr)instruction)
|
|
{
|
|
UnaryOpInstr unaryOpInstr = cast(UnaryOpInstr)instruction;
|
|
Value operandInstruction = cast(Value)unaryOpInstr.getOperand();
|
|
assert(operandInstruction);
|
|
|
|
string emit;
|
|
|
|
/* The operator's symbol */
|
|
emit ~= getCharacter(unaryOpInstr.getOperator());
|
|
|
|
/* Transform the operand */
|
|
emit ~= transform(operandInstruction);
|
|
|
|
return emit;
|
|
}
|
|
/**
|
|
* Pointer dereference assignment (PointerDereferenceAssignmentInstruction)
|
|
*/
|
|
else if(cast(PointerDereferenceAssignmentInstruction)instruction)
|
|
{
|
|
PointerDereferenceAssignmentInstruction pointerDereferenceAssignmentInstruction = cast(PointerDereferenceAssignmentInstruction)instruction;
|
|
Value lhsPtrAddrExprInstr = pointerDereferenceAssignmentInstruction.getPointerEvalInstr();
|
|
assert(lhsPtrAddrExprInstr);
|
|
Value rhsAssExprInstr = pointerDereferenceAssignmentInstruction.getAssExprInstr();
|
|
assert(rhsAssExprInstr);
|
|
|
|
string emit;
|
|
|
|
/* Star followed by transformation of the pointer address expression */
|
|
string starsOfLiberty;
|
|
for(ulong i = 0; i < pointerDereferenceAssignmentInstruction.getDerefCount(); i++)
|
|
{
|
|
starsOfLiberty ~= "*";
|
|
}
|
|
emit ~= starsOfLiberty~"("~transform(lhsPtrAddrExprInstr)~")";
|
|
|
|
/* Assignment operator follows */
|
|
emit ~= " = ";
|
|
|
|
/* Expression to be assigned on the right hand side */
|
|
emit ~= transform(rhsAssExprInstr)~";";
|
|
|
|
|
|
return emit;
|
|
}
|
|
/**
|
|
* Discard instruction (DiscardInstruction)
|
|
*/
|
|
else if(cast(DiscardInstruction)instruction)
|
|
{
|
|
DiscardInstruction discardInstruction = cast(DiscardInstruction)instruction;
|
|
Value valueInstruction = discardInstruction.getExpressionInstruction();
|
|
|
|
string emit;
|
|
|
|
/* Transform the expression */
|
|
emit ~= transform(valueInstruction)~";";
|
|
|
|
return emit;
|
|
}
|
|
/**
|
|
* Type casting instruction (CastedValueInstruction)
|
|
*/
|
|
else if(cast(CastedValueInstruction)instruction)
|
|
{
|
|
CastedValueInstruction castedValueInstruction = cast(CastedValueInstruction)instruction;
|
|
Type castingTo = castedValueInstruction.getCastToType();
|
|
|
|
// TODO: Dependent on type being casted one must handle different types, well differently (as is case for atleast OOP)
|
|
|
|
Value uncastedInstruction = castedValueInstruction.getEmbeddedInstruction();
|
|
|
|
|
|
string emit;
|
|
|
|
/* Handling of primitive types */
|
|
if(cast(Primitive)castingTo)
|
|
{
|
|
/* Add the actual cast */
|
|
emit ~= "("~typeTransform(castingTo)~")";
|
|
|
|
/* The expression being casted */
|
|
emit ~= transform(uncastedInstruction);
|
|
}
|
|
else
|
|
{
|
|
// TODO: Implement this
|
|
gprintln("Non-primitive type casting not yet implemented", DebugType.ERROR);
|
|
assert(false);
|
|
}
|
|
|
|
|
|
|
|
|
|
return emit;
|
|
}
|
|
// TODO: MAAAAN we don't even have this yet
|
|
// else if(cast(StringExpression))
|
|
|
|
return "<TODO: Base emit: "~to!(string)(instruction)~">";
|
|
}
|
|
|
|
|
|
public override void emit()
|
|
{
|
|
// Emit header comment (NOTE: Change this to a useful piece of text)
|
|
emitHeaderComment("Place any extra information by code generator here"); // NOTE: We can pass a string with extra information to it if we want to
|
|
|
|
// Emit standard integer header import
|
|
emitStdint();
|
|
|
|
// Emit static allocation code
|
|
emitStaticAllocations();
|
|
|
|
// Emit globals
|
|
emitCodeQueue();
|
|
|
|
// Emit function definitions
|
|
emitFunctionPrototypes();
|
|
emitFunctionDefinitions();
|
|
|
|
|
|
// If enabled (default: yes) then emit entry point (TODO: change later)
|
|
if(config.getConfig("dgen:emit_entrypoint_test").getBoolean())
|
|
{
|
|
//TODO: Emit main (entry point)
|
|
emitEntryPoint();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Emits the header comment which contains information about the source
|
|
* file and the generated code file
|
|
*
|
|
* Params:
|
|
* headerPhrase = Optional additional string information to add to the header comment
|
|
*/
|
|
private void emitHeaderComment(string headerPhrase = "")
|
|
{
|
|
// NOTE: We could maybe fetch input fiel info too? Although it would have to be named similiarly in any case
|
|
// so perhaps just appending a `.t` to the module name below would be fine
|
|
string moduleName = typeChecker.getResolver().generateName(typeChecker.getModule(), typeChecker.getModule()); //TODO: Lookup actual module name (I was lazy)
|
|
string outputCFilename = file.name();
|
|
|
|
file.write(`/**
|
|
* TLP compiler generated code
|
|
*
|
|
* Module name: `);
|
|
file.writeln(moduleName);
|
|
file.write(" * Output C file: ");
|
|
file.writeln(outputCFilename);
|
|
|
|
if(headerPhrase.length)
|
|
{
|
|
file.write(wrap(headerPhrase, 40, " *\n * ", " * "));
|
|
}
|
|
|
|
file.write(" */\n");
|
|
}
|
|
|
|
/**
|
|
* Emits the static allocations provided
|
|
*
|
|
* Params:
|
|
* initQueue = The allocation queue to emit static allocations from
|
|
*/
|
|
private void emitStaticAllocations()
|
|
{
|
|
selectQueue(QueueType.ALLOC_QUEUE);
|
|
gprintln("Static allocations needed: "~to!(string)(getQueueLength()));
|
|
|
|
file.writeln();
|
|
}
|
|
|
|
/**
|
|
* Emits the function prototypes
|
|
*/
|
|
private void emitFunctionPrototypes()
|
|
{
|
|
gprintln("Function definitions needed: "~to!(string)(getFunctionDefinitionsCount()));
|
|
|
|
Instruction[][string] functionBodyInstrs = typeChecker.getFunctionBodyCodeQueues();
|
|
|
|
string[] functionNames = getFunctionDefinitionNames();
|
|
|
|
gprintln("WOAH: "~to!(string)(functionNames));
|
|
|
|
foreach(string currentFunctioName; functionNames)
|
|
{
|
|
emitFunctionPrototype(currentFunctioName);
|
|
file.writeln();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Emits the function definitions
|
|
*/
|
|
private void emitFunctionDefinitions()
|
|
{
|
|
gprintln("Function definitions needed: "~to!(string)(getFunctionDefinitionsCount()));
|
|
|
|
Instruction[][string] functionBodyInstrs = typeChecker.getFunctionBodyCodeQueues();
|
|
|
|
string[] functionNames = getFunctionDefinitionNames();
|
|
|
|
gprintln("WOAH: "~to!(string)(functionNames));
|
|
|
|
foreach(string currentFunctioName; functionNames)
|
|
{
|
|
emitFunctionDefinition(currentFunctioName);
|
|
file.writeln();
|
|
}
|
|
}
|
|
|
|
private string generateSignature(Function func)
|
|
{
|
|
string signature;
|
|
|
|
// Extract the Function's return Type
|
|
Type returnType = typeChecker.getType(func.context.container, func.getType());
|
|
|
|
// <type> <functionName> (
|
|
signature = typeTransform(returnType)~" "~func.getName()~"(";
|
|
|
|
// Generate parameter list
|
|
if(func.hasParams())
|
|
{
|
|
VariableParameter[] parameters = func.getParams();
|
|
string parameterString;
|
|
|
|
for(ulong parIdx = 0; parIdx < parameters.length; parIdx++)
|
|
{
|
|
Variable currentParameter = parameters[parIdx];
|
|
|
|
// Extract the variable's type
|
|
Type parameterType = typeChecker.getType(currentParameter.context.container, currentParameter.getType());
|
|
|
|
// Generate the symbol-mapped names for the parameters
|
|
Variable typedEntityVariable = cast(Variable)typeChecker.getResolver().resolveBest(func, currentParameter.getName()); //TODO: Remove `auto`
|
|
string renamedSymbol = mapper.symbolLookup(typedEntityVariable);
|
|
|
|
|
|
// Generate <type> <parameter-name (symbol mapped)>
|
|
parameterString~=typeTransform(parameterType)~" "~renamedSymbol;
|
|
|
|
if(parIdx != (parameters.length-1))
|
|
{
|
|
parameterString~=", ";
|
|
}
|
|
}
|
|
|
|
signature~=parameterString;
|
|
}
|
|
|
|
// )
|
|
signature~=")";
|
|
|
|
// If the function is marked as external then place `extern` infront
|
|
if(func.isExternal())
|
|
{
|
|
signature = "extern "~signature;
|
|
}
|
|
|
|
return signature;
|
|
|
|
}
|
|
|
|
private void emitFunctionPrototype(string functionName)
|
|
{
|
|
selectQueue(QueueType.FUNCTION_DEF_QUEUE, functionName);
|
|
|
|
gprintln("emotFunctionDefinition(): Function: "~functionName~", with "~to!(string)(getSelectedQueueLength())~" many instructions");
|
|
|
|
//TODO: Look at nested definitions or nah? (Context!!)
|
|
//TODO: And what about methods defined in classes? Those should technically be here too
|
|
Function functionEntity = cast(Function)typeChecker.getResolver().resolveBest(typeChecker.getModule(), functionName); //TODO: Remove `auto`
|
|
|
|
// Emit the function signature
|
|
file.writeln(generateSignature(functionEntity)~";");
|
|
}
|
|
|
|
private void emitFunctionDefinition(string functionName)
|
|
{
|
|
selectQueue(QueueType.FUNCTION_DEF_QUEUE, functionName);
|
|
|
|
gprintln("emotFunctionDefinition(): Function: "~functionName~", with "~to!(string)(getSelectedQueueLength())~" many instructions");
|
|
|
|
//TODO: Look at nested definitions or nah? (Context!!)
|
|
//TODO: And what about methods defined in classes? Those should technically be here too
|
|
Function functionEntity = cast(Function)typeChecker.getResolver().resolveBest(typeChecker.getModule(), functionName); //TODO: Remove `auto`
|
|
|
|
// If the Entity is NOT external then emit the signature+body
|
|
if(!functionEntity.isExternal())
|
|
{
|
|
// Emit the function signature
|
|
file.writeln(generateSignature(functionEntity));
|
|
|
|
// Emit opening curly brace
|
|
file.writeln(getCharacter(SymbolType.OCURLY));
|
|
|
|
// Emit body
|
|
while(hasInstructions())
|
|
{
|
|
Instruction curFuncBodyInstr = getCurrentInstruction();
|
|
|
|
string emit = transform(curFuncBodyInstr);
|
|
gprintln("emitFunctionDefinition("~functionName~"): Emit: "~emit);
|
|
file.writeln("\t"~emit);
|
|
|
|
nextInstruction();
|
|
}
|
|
|
|
// Emit closing curly brace
|
|
file.writeln(getCharacter(SymbolType.CCURLY));
|
|
}
|
|
// If the Entity IS external then don't emit anything as the signature would have been emitted via a prorotype earlier with `emitPrototypes()`
|
|
else
|
|
{
|
|
// Do nothing
|
|
}
|
|
}
|
|
|
|
private void emitCodeQueue()
|
|
{
|
|
selectQueue(QueueType.GLOBALS_QUEUE);
|
|
gprintln("Code emittings needed: "~to!(string)(getQueueLength()));
|
|
|
|
while(hasInstructions())
|
|
{
|
|
Instruction currentInstruction = getCurrentInstruction();
|
|
file.writeln(transform(currentInstruction));
|
|
|
|
nextInstruction();
|
|
}
|
|
|
|
file.writeln();
|
|
}
|
|
|
|
private void emitStdint()
|
|
{
|
|
file.writeln("#include<stdint.h>");
|
|
}
|
|
|
|
private void emitEntryPoint()
|
|
{
|
|
// TODO: Implement me
|
|
|
|
// Test for `simple_functions.t` (function call testing)
|
|
if(cmp(typeChecker.getModule().getName(), "simple_functions") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
assert(t_7b6d477c5859059f16bc9da72fc8cc3b == 22);
|
|
printf("k: %u\n", t_7b6d477c5859059f16bc9da72fc8cc3b);
|
|
|
|
banana(1);
|
|
assert(t_7b6d477c5859059f16bc9da72fc8cc3b == 72);
|
|
printf("k: %u\n", t_7b6d477c5859059f16bc9da72fc8cc3b);
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else if(cmp(typeChecker.getModule().getName(), "simple_while") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
int result = function(3);
|
|
printf("result: %d\n", result);
|
|
assert(result == 3);
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else if(cmp(typeChecker.getModule().getName(), "simple_for_loops") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
int result = function(3);
|
|
printf("result: %d\n", result);
|
|
assert(result == 3);
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else if(cmp(typeChecker.getModule().getName(), "simple_pointer") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
int retValue = thing();
|
|
assert(t_87bc875d0b65f741b69fb100a0edebc7 == 4);
|
|
assert(retValue == 6);
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else if(cmp(typeChecker.getModule().getName(), "simple_pointer_cast_le") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
int retValue = thing();
|
|
assert(t_e159019f766be1a175186a13f16bcfb7 == 256+4);
|
|
assert(retValue == 256+4+2);
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else if(cmp(typeChecker.getModule().getName(), "simple_pointer_malloc") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
test();
|
|
|
|
// TODO: Test the value
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else if(cmp(typeChecker.getModule().getName(), "simple_extern") == 0)
|
|
{
|
|
file.writeln(`
|
|
#include<stdio.h>
|
|
#include<assert.h>
|
|
int main()
|
|
{
|
|
test();
|
|
|
|
|
|
|
|
return 0;
|
|
}`);
|
|
}
|
|
else
|
|
{
|
|
file.writeln(`
|
|
int main()
|
|
{
|
|
return 0;
|
|
}
|
|
`);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
public override void finalize()
|
|
{
|
|
try
|
|
{
|
|
//NOTE: Change to system compiler (maybe, we need to choose a good C compiler)
|
|
string[] compileArgs = ["clang", "-o", "tlang.out", file.name()];
|
|
|
|
// Check for object files to be linked in
|
|
string[] objectFilesLink;
|
|
if(config.hasConfig("linker:link_files"))
|
|
{
|
|
objectFilesLink = config.getConfig("linker:link_files").getArray();
|
|
gprintln("Object files to be linked in: "~to!(string)(objectFilesLink));
|
|
}
|
|
else
|
|
{
|
|
gprintln("No files to link in");
|
|
}
|
|
|
|
Pid ccPID = spawnProcess(compileArgs~objectFilesLink);
|
|
|
|
int code = wait(ccPID);
|
|
|
|
if(code)
|
|
{
|
|
//NOTE: Make this a TLang exception
|
|
throw new Exception("The CC exited with a non-zero exit code ("~to!(string)(code)~")");
|
|
}
|
|
}
|
|
catch(ProcessException e)
|
|
{
|
|
gprintln("NOTE: Case where it exited and Pid now inavlid (if it happens it would throw processexception surely)?", DebugType.ERROR);
|
|
assert(false);
|
|
}
|
|
}
|
|
} |