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Fix, separate out the function pass from the decl pass. Diagnose non-visible symbols as not visible rather than missing. Fix crash when module identifier is incorrect. !! operator added. New character literal parsing. Added simple test framework.

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This commit is contained in:
Christoffer Lerno
2020-07-16 16:45:06 +02:00
committed by Christoffer Lerno
parent b4c661eaad
commit f45d6ef84b
43 changed files with 871 additions and 259 deletions
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75
src/compiler/llvm_codegen_expr.c
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@@ -179,8 +179,6 @@ LLVMValueRef gencontext_emit_address(GenContext *context, Expr *expr)
UNREACHABLE
case EXPR_MACRO_BLOCK:
TODO
case EXPR_FAIL_CHECK:
UNREACHABLE
case EXPR_IDENTIFIER:
return decl_ref(expr->identifier_expr.decl);
case EXPR_UNARY:
@@ -928,6 +926,7 @@ static inline LLVMValueRef gencontext_emit_else_jump_expr(GenContext *context, E
return value;
}
static LLVMValueRef gencontext_emit_else_expr(GenContext *context, Expr *expr)
{
if (expr->else_expr.is_jump) return gencontext_emit_else_jump_expr(context, expr);
@@ -979,6 +978,47 @@ static LLVMValueRef gencontext_emit_else_expr(GenContext *context, Expr *expr)
}
static inline LLVMValueRef gencontext_emit_guard_expr(GenContext *context, Expr *expr)
{
LLVMBasicBlockRef guard_block = gencontext_create_free_block(context, "guard_block");
LLVMBasicBlockRef no_err_block = gencontext_create_free_block(context, "noerr_block");
// Store catch/error var
PUSH_ERROR();
// Set the catch/error var
LLVMValueRef error_var = gencontext_emit_alloca(context, llvm_type(type_error), "");
context->error_var = error_var;
context->catch_block = guard_block;
LLVMValueRef value = gencontext_emit_expr(context, expr->guard_expr.inner);
// Restore.
POP_ERROR();
// Emit success and to end.
gencontext_emit_br(context, no_err_block);
POP_ERROR();
// Emit else
gencontext_emit_block(context, guard_block);
// Ensure we are on a branch that is non empty.
if (gencontext_check_block_branch_emit(context))
{
gencontext_emit_defer(context, expr->guard_expr.defer, 0);
LLVMBuildRet(context->builder, gencontext_emit_load(context, type_error, error_var));
context->current_block = NULL;
context->current_block_is_target = NULL;
}
gencontext_emit_block(context, no_err_block);
return value;
}
static LLVMValueRef gencontext_emit_binary_expr(GenContext *context, Expr *expr)
{
BinaryOp binary_op = expr->binary_expr.operator;
@@ -1366,33 +1406,6 @@ static inline LLVMValueRef gencontext_emit_failable(GenContext *context, Expr *e
return LLVMGetUndef(llvm_type(expr->type));
}
LLVMValueRef gencontext_emit_check_failable(GenContext *context, Expr *expr)
{
PUSH_ERROR();
LLVMBasicBlockRef after_check_block = gencontext_create_free_block(context, "after_check");
context->error_var = NULL;
context->catch_block = after_check_block;
gencontext_emit_expr(context, expr->fail_check_expr);
POP_ERROR();
LLVMBasicBlockRef phi_block = gencontext_create_free_block(context, "checkphi");
LLVMBasicBlockRef normal_block = context->current_block;
gencontext_emit_br(context, phi_block);
gencontext_emit_block(context, after_check_block);
gencontext_emit_br(context, phi_block);
gencontext_emit_block(context, phi_block);
LLVMValueRef phi = LLVMBuildPhi(context->builder, llvm_type(type_bool), "val");
LLVMValueRef logic_values[2] = { llvm_int(type_bool, 0), llvm_int(type_bool, 1) };
LLVMBasicBlockRef blocks[2] = { after_check_block, normal_block };
LLVMAddIncoming(phi, logic_values, blocks, 2);
return phi;
}
LLVMValueRef gencontext_emit_expr(GenContext *context, Expr *expr)
{
NESTED_RETRY:
@@ -1405,8 +1418,6 @@ NESTED_RETRY:
case EXPR_DESIGNATED_INITIALIZER:
// Should only appear when generating designated initializers.
UNREACHABLE
case EXPR_FAIL_CHECK:
return gencontext_emit_check_failable(context, expr);
case EXPR_FAILABLE:
return gencontext_emit_failable(context, expr);
case EXPR_TRY:
@@ -1436,7 +1447,7 @@ NESTED_RETRY:
case EXPR_POST_UNARY:
return gencontext_emit_post_unary_expr(context, expr);
case EXPR_GUARD:
return gencontext_emit_trycatch_expr(context, expr);
return gencontext_emit_guard_expr(context, expr);
case EXPR_TYPEID:
return gencontext_emit_typeid(context, expr);
case EXPR_TYPE_ACCESS: