public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
var jmp = new JumpLabelDeclaration(MetaData, "");
jmp.SurroundWith(Env);
EndLabel.SurroundWith(Env);
// FEATURE #16
var conditionType = Condition.GetExpressionType().ToString();
if (!string.Equals(conditionType, PrimaryType.BoolType, StringComparison.Ordinal))
{
Errors.Add(
$"{MetaData.GetErrorHeader()}expected a bool as the \"while\" statement\'s condition, " +
$"found {conditionType}");
}
OkStatementList.Statements.Add(jmp);
var bodyEnv = new Environment(Env);
bodyEnv.Declarations.Add(EndLabel);
OkStatementList.SurroundWith(bodyEnv);
// FEATURE #17
if (Pragma.KeepAll || !(Condition is BoolLiteralExpression boolean) || boolean.Value)
{
return;
}
OptimizedStatementList = new StatementList(MetaData);
Optimized = 1;
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
// FEATURE #1
var conditionType = Condition.GetExpressionType().ToString();
if (!string.Equals(conditionType, PrimaryType.BoolType, StringComparison.Ordinal))
{
Errors.Add(
$"{MetaData.GetErrorHeader()}expected a bool as the \"if\" statement\'s condition, found {conditionType}");
}
IfStatementList.SurroundWith(new Environment(Env));
ElseStatementList.SurroundWith(new Environment(Env));
// FEATURE #17
if (Pragma.KeepAll || !(Condition is BoolLiteralExpression boolean))
{
return;
}
if (boolean.Value)
{
ElseStatementList.Statements = new List <Statement>(0);
Optimized = 1;
}
else
{
IfStatementList.Statements = new List <Statement>(0);
Optimized = 2;
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
// https://github.com/Cm-lang/Cm-Document/issues/12
if (string.Equals(Name, ReservedWords.Recur, Ordinal))
{
Debug.Assert(null != Expression.Env);
Type = Expression.GetExpressionType();
return;
}
Expression.SurroundWith(Env);
var exprType = Expression.GetExpressionType();
// FEATURE #8
Type = Type ?? exprType;
// FEATURE #30
Type.SurroundWith(Env);
if (Type is UnknownType unknownType)
{
Type = unknownType.Resolve();
}
if (Type is PrimaryType primaryType)
{
Align = primaryType.Align;
}
// FEATURE #11
if (!string.Equals(exprType.ToString(), PrimaryType.NullType, Ordinal) &&
!Equals(Type, exprType))
{
// FEATURE #9
Errors.Add($"{MetaData.GetErrorHeader()}type mismatch, expected: {Type}, actual: {exprType}");
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
var internalEnv = new Environment(Env);
foreach (var variableDeclaration in FieldList)
{
variableDeclaration.SurroundWith(internalEnv);
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
if (null == Struct)
{
Struct = Env.FindDeclarationByName(Name) as StructDeclaration;
}
if (null != Struct)
{
Struct.Used = true;
return;
}
Errors.Add($"{MetaData.GetErrorHeader()}cannot resolve type {Name}");
throw new CompilerException();
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
Owner.SurroundWith(Env);
Member.SurroundWith(Env);
// FEATURE #29
if (!(Owner.GetExpressionType() is SecondaryType type) ||
!type.Struct.FieldList.Contains(Member.Declaration))
{
Errors.Add(MetaData.GetErrorHeader() + "invalid member access expression");
}
if (null != Owner.ConvertedResult)
{
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
var jumpLabel = Env.FindJumpLabelByName(_labelName ?? "");
if (null == jumpLabel)
{
Errors.AddAndThrow($"{MetaData.GetErrorHeader()}cannot return outside a lambda");
}
else
{
JumpLabel = jumpLabel;
JumpLabel.StatementsUsingThis.Add(this);
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
Expression.SurroundWith(Env);
var res = Expression.ConvertedResult;
if (null != res)
{
ConvertedStatementList = new StatementList(MetaData,
res.ConvertedStatements.Concat(new[]
{
new ExpressionStatement(MetaData, res.ConvertedExpression)
}).ToArray());
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
if (null == Struct)
{
Struct = Env.FindDeclarationByName(Name) as StructDeclaration;
}
if (null == Struct)
{
Errors.AddAndThrow($"{MetaData.GetErrorHeader()}cannot resolve type {Name}");
}
else
{
Struct.UsageCount++;
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
for (var i = 0; i < ArgsList.Count; i++)
{
var type = ArgsList[i];
type.SurroundWith(Env);
if (type is UnknownType unknownType)
{
ArgsList[i] = unknownType.Resolve();
}
}
RetType.SurroundWith(Env);
if (RetType is UnknownType wtf)
{
RetType = wtf.Resolve();
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
LhsExpression.SurroundWith(Env);
RhsExpression.SurroundWith(Env);
var lhs = LhsExpression.GetExpressionType();
var rhs = RhsExpression.GetExpressionType();
// FEATURE #14
// FEATURE #11
if (!string.Equals(rhs.ToString(), PrimaryType.NullType, StringComparison.Ordinal) &&
!string.Equals(lhs.ToString(), rhs.ToString(), StringComparison.Ordinal))
{
Errors.Add($"{MetaData.GetErrorHeader()}assigning a {rhs} to a {lhs} is invalid.");
}
// FEATURE #20
var validLhs = LhsExpression.GetLhsExpression();
if (null == validLhs)
{
Errors.Add($"{MetaData.GetErrorHeader()}a {lhs} cannot be assigned.");
}
else if (null == validLhs.Declaration)
{
Errors.Add($"{MetaData.GetErrorHeader()}can't find declaration of {validLhs.Name}");
}
// FEATURE #21
else if (!validLhs.DeclarationMutability)
{
Errors.Add($"{MetaData.GetErrorHeader()}cannot assign to an immutable variable.");
}
else
{
validLhs.Declaration.UsageCount++;
}
if (!(RhsExpression is AtomicExpression))
{
// TODO
// ConvertedStatementList = new StatementList(MetaData,
// new VariableDeclaration(MetaData, ""));
}
}
public override void SurroundWith(Environment environment)
{
base.SurroundWith(environment);
Condition.SurroundWith(Env);
}
public void Init()
{
Environment.Initialize();
Errors.ErrList.Clear();
}
public void Init()
{
Errors.ErrList.Clear();
Pragma.KeepAll = false;
Environment.Initialize();
}