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Start using UnaryOp/PostUnaryOp ++/-- now works post/pre and also on pointers. Fix ++/-- on any number. Added examples. c3c now compiles files by default. Extended symbol resolution. Addition of 'extern'. Multi-level paths.

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This commit is contained in:
Christoffer Lerno
2019-12-16 11:28:39 +01:00
parent 641c8b7b76
commit cdc1bfe267
74 changed files with 5924 additions and 457 deletions
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62
src/compiler/llvm_codegen_function.c
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@@ -1,16 +1,13 @@
// Copyright (c) 2019 Christoffer Lerno. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Use of this source code is governed by the GNU LGPLv3.0 license
// a copy of which can be found in the LICENSE file.
#include "llvm_codegen_internal.h"
static char *mangle_name(char *buffer, Decl *decl)
{
sprintf(buffer, "%*s", decl->name.span.length, decl->name.start);
return buffer;
}
bool gencontext_check_block_branch_emit(GenContext *context)
{
@@ -81,7 +78,7 @@ static inline void gencontext_emit_parameter(GenContext *context, Decl *decl, un
assert(decl->decl_kind == DECL_VAR && decl->var.kind == VARDECL_PARAM);
// Allocate room on stack and copy.
decl->var.backend_ref = gencontext_emit_alloca(context, decl);
decl->var.backend_ref = gencontext_emit_alloca(context, BACKEND_TYPE(decl->type), decl->name.string);
LLVMBuildStore(context->builder, LLVMGetParam(context->function, index), decl->var.backend_ref);
}
@@ -148,10 +145,8 @@ void gencontext_emit_function_body(GenContext *context, Decl *decl)
void gencontext_emit_function_decl(GenContext *context, Decl *decl)
{
assert(decl->decl_kind == DECL_FUNC);
char workbuf[2048] = { '\0' };
char *external_name = mangle_name(workbuf, decl);
// Resolve function backend type for function.
decl->func.backend_value = LLVMAddFunction(context->module, external_name,
decl->func.backend_value = LLVMAddFunction(context->module, decl->external_name,
BACKEND_TYPE(decl->type));
// Specify appropriate storage class, visibility and call convention
@@ -173,6 +168,7 @@ void gencontext_emit_function_decl(GenContext *context, Decl *decl)
switch (decl->visibility)
{
case VISIBLE_LOCAL:
case VISIBLE_EXTERN:
flags |= LLVMDIFlagPrivate;
break;
case VISIBLE_MODULE:
@@ -199,3 +195,47 @@ void gencontext_emit_function_decl(GenContext *context, Decl *decl)
}
if (decl->func.body) gencontext_emit_function_body(context, decl);
}
void gencontext_emit_extern_decl(GenContext *context, Decl *decl)
{
switch (decl->decl_kind)
{
case DECL_POISONED:
UNREACHABLE;
case DECL_FUNC:
decl->func.backend_value = LLVMAddFunction(context->module, decl->external_name,
BACKEND_TYPE(decl->type));
LLVMSetVisibility(decl->func.backend_value, LLVMDefaultVisibility);
break;
case DECL_VAR:
decl->var.backend_ref = LLVMAddGlobal(context->module, BACKEND_TYPE(decl->type), decl->external_name);
LLVMSetVisibility(decl->var.backend_ref, LLVMDefaultVisibility);
break;
case DECL_TYPEDEF:
UNREACHABLE
case DECL_ENUM_CONSTANT:
TODO
case DECL_STRUCT:
case DECL_UNION:
BACKEND_TYPE(decl->type);
break;
case DECL_ENUM:
TODO
case DECL_ERROR:
TODO
case DECL_ERROR_CONSTANT:
TODO
case DECL_ARRAY_VALUE:
case DECL_IMPORT:
case DECL_MACRO:
case DECL_MULTI_DECL:
case DECL_GENERIC:
case DECL_CT_IF:
case DECL_CT_ELSE:
case DECL_CT_ELIF:
case DECL_ATTRIBUTE:
case DECL_THROWS:
UNREACHABLE
}
}