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&&temp operator. Macro evaluation.

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This commit is contained in:
Christoffer Lerno
2020-10-14 12:26:27 +02:00
committed by Christoffer Lerno
parent 8680ce0684
commit 4222f2731e
29 changed files with 1332 additions and 348 deletions
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47
src/compiler/llvm_codegen_expr.c
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@@ -223,6 +223,12 @@ LLVMValueRef gencontext_emit_address(GenContext *context, Expr *expr)
}
switch (expr->expr_kind)
{
case EXPR_MEMBER_ACCESS:
case EXPR_ENUM_CONSTANT:
case EXPR_CT_IDENT:
case EXPR_MACRO_CT_IDENTIFIER:
case EXPR_MACRO_IDENTIFIER:
UNREACHABLE
case EXPR_DESIGNATED_INITIALIZER:
// Should only appear when generating designated initializers.
UNREACHABLE
@@ -236,6 +242,7 @@ LLVMValueRef gencontext_emit_address(GenContext *context, Expr *expr)
case EXPR_TYPEINFO:
// Should never be an lvalue
UNREACHABLE
case EXPR_CONST_IDENTIFIER:
case EXPR_IDENTIFIER:
return decl_ref(expr->identifier_expr.decl);
case EXPR_UNARY:
@@ -677,6 +684,13 @@ LLVMValueRef gencontext_emit_unary_expr(GenContext *context, Expr *expr)
{
case UNARYOP_ERROR:
FATAL_ERROR("Illegal unary op %s", expr->unary_expr.operator);
case UNARYOP_TADDR:
{
LLVMValueRef val = gencontext_emit_expr(context, expr->unary_expr.expr);
LLVMValueRef temp = gencontext_emit_alloca(context, llvm_type(expr->unary_expr.expr->type), "taddr");
LLVMBuildStore(context->builder, val, temp);
return temp;
}
case UNARYOP_NOT:
if (type_is_float(type))
{
@@ -1661,14 +1675,14 @@ LLVMValueRef gencontext_emit_call_expr(GenContext *context, Expr *expr)
{
Decl *function_decl = expr->call_expr.function->access_expr.ref;
signature = &function_decl->func.function_signature;
func = function_decl->ref;
func = function_decl->backend_ref;
func_type = llvm_type(function_decl->type);
}
else
{
Decl *function_decl = expr->call_expr.function->identifier_expr.decl;
signature = &function_decl->func.function_signature;
func = function_decl->ref;
func = function_decl->backend_ref;
func_type = llvm_type(function_decl->type);
}
@@ -1792,9 +1806,26 @@ static inline LLVMValueRef gencontext_emit_macro_block(GenContext *context, Expr
VECEACH(expr->macro_block.params, i)
{
// In case we have a constant, we never do an emit. The value is already folded.
if (!expr->macro_block.args[i]) continue;
Decl *decl = expr->macro_block.params[i];
decl->ref = gencontext_emit_alloca(context, llvm_type(decl->type), decl->name);
switch (decl->var.kind)
{
case VARDECL_CONST:
case VARDECL_GLOBAL:
case VARDECL_LOCAL:
case VARDECL_MEMBER:
case VARDECL_LOCAL_CT:
case VARDECL_LOCAL_CT_TYPE:
case VARDECL_ALIAS:
UNREACHABLE
case VARDECL_PARAM_REF:
case VARDECL_PARAM_CT:
case VARDECL_PARAM_CT_TYPE:
case VARDECL_PARAM_EXPR:
continue;
case VARDECL_PARAM:
break;
}
decl->backend_ref = gencontext_emit_alloca(context, llvm_type(decl->type), decl->name);
LLVMValueRef value = gencontext_emit_expr(context, expr->macro_block.args[i]);
gencontext_emit_store(context, decl, value);
}
@@ -1855,6 +1886,7 @@ LLVMValueRef gencontext_emit_assign_expr(GenContext *context, LLVMValueRef ref,
static inline LLVMValueRef gencontext_emit_identifier_rvalue(GenContext *context, Decl *decl)
{
if (decl->decl_kind != DECL_VAR || !decl->var.failable)
{
return gencontext_emit_load(context, decl->type, decl_ref(decl));
@@ -1902,9 +1934,14 @@ LLVMValueRef gencontext_emit_expr(GenContext *context, Expr *expr)
NESTED_RETRY:
switch (expr->expr_kind)
{
case EXPR_MEMBER_ACCESS:
case EXPR_POISONED:
case EXPR_DECL_LIST:
case EXPR_TYPEINFO:
case EXPR_ENUM_CONSTANT:
case EXPR_MACRO_IDENTIFIER:
case EXPR_MACRO_CT_IDENTIFIER:
case EXPR_CT_IDENT:
UNREACHABLE
case EXPR_UNDEF:
// Should never reach this.
@@ -1954,6 +1991,8 @@ NESTED_RETRY:
// These are folded in the semantic analysis step.
UNREACHABLE
case EXPR_IDENTIFIER:
case EXPR_CONST_IDENTIFIER:
assert(expr->identifier_expr.is_rvalue);
return gencontext_emit_identifier_rvalue(context, expr->identifier_expr.decl);
case EXPR_SUBSCRIPT:
case EXPR_ACCESS: