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-rw-r--r--src/analyze.cpp103
1 files changed, 73 insertions, 30 deletions
diff --git a/src/analyze.cpp b/src/analyze.cpp
index fccbad8bb7..d7d5aeb5b0 100644
--- a/src/analyze.cpp
+++ b/src/analyze.cpp
@@ -137,6 +137,7 @@ static void preview_function_declarations(CodeGen *g, ImportTableEntry *import,
AstNode *fn_decl = node->data.extern_block.fn_decls.at(fn_decl_i);
assert(fn_decl->type == NodeTypeFnDecl);
AstNode *fn_proto = fn_decl->data.fn_decl.fn_proto;
+ bool is_pub = (fn_proto->data.fn_proto.visib_mod == FnProtoVisibModPub);
resolve_function_proto(g, fn_proto);
Buf *name = &fn_proto->data.fn_proto.name;
@@ -145,7 +146,12 @@ static void preview_function_declarations(CodeGen *g, ImportTableEntry *import,
fn_table_entry->is_extern = true;
fn_table_entry->calling_convention = LLVMCCallConv;
fn_table_entry->import_entry = import;
- g->fn_table.put(name, fn_table_entry);
+
+ g->fn_protos.append(fn_table_entry);
+ import->fn_table.put(name, fn_table_entry);
+ if (is_pub) {
+ g->fn_table.put(name, fn_table_entry);
+ }
}
break;
case NodeTypeFnDef:
@@ -153,27 +159,44 @@ static void preview_function_declarations(CodeGen *g, ImportTableEntry *import,
AstNode *proto_node = node->data.fn_def.fn_proto;
assert(proto_node->type == NodeTypeFnProto);
Buf *proto_name = &proto_node->data.fn_proto.name;
- auto entry = g->fn_table.maybe_get(proto_name);
+ auto entry = import->fn_table.maybe_get(proto_name);
+ bool skip = false;
+ bool is_internal = (proto_node->data.fn_proto.visib_mod != FnProtoVisibModExport);
+ bool is_pub = (proto_node->data.fn_proto.visib_mod == FnProtoVisibModPub);
if (entry) {
add_node_error(g, node,
buf_sprintf("redefinition of '%s'", buf_ptr(proto_name)));
assert(!node->codegen_node);
node->codegen_node = allocate<CodeGenNode>(1);
node->codegen_node->data.fn_def_node.skip = true;
- } else {
+ skip = true;
+ } else if (is_pub) {
+ auto entry = g->fn_table.maybe_get(proto_name);
+ if (entry) {
+ add_node_error(g, node,
+ buf_sprintf("redefinition of '%s'", buf_ptr(proto_name)));
+ assert(!node->codegen_node);
+ node->codegen_node = allocate<CodeGenNode>(1);
+ node->codegen_node->data.fn_def_node.skip = true;
+ skip = true;
+ }
+ }
+ if (!skip) {
FnTableEntry *fn_table_entry = allocate<FnTableEntry>(1);
fn_table_entry->import_entry = import;
fn_table_entry->proto_node = proto_node;
fn_table_entry->fn_def_node = node;
- fn_table_entry->internal_linkage = proto_node->data.fn_proto.visib_mod != FnProtoVisibModExport;
- if (fn_table_entry->internal_linkage) {
- fn_table_entry->calling_convention = LLVMFastCallConv;
- } else {
- fn_table_entry->calling_convention = LLVMCCallConv;
- }
- g->fn_table.put(proto_name, fn_table_entry);
+ fn_table_entry->internal_linkage = is_internal;
+ fn_table_entry->calling_convention = is_internal ? LLVMFastCallConv : LLVMCCallConv;
+
+ g->fn_protos.append(fn_table_entry);
g->fn_defs.append(fn_table_entry);
+ import->fn_table.put(proto_name, fn_table_entry);
+ if (is_pub) {
+ g->fn_table.put(proto_name, fn_table_entry);
+ }
+
resolve_function_proto(g, proto_node);
}
}
@@ -297,28 +320,31 @@ static void check_fn_def_control_flow(CodeGen *g, AstNode *node) {
}
}
-static void analyze_expression(CodeGen *g, AstNode *node) {
+static void analyze_expression(CodeGen *g, ImportTableEntry *import, AstNode *node) {
switch (node->type) {
case NodeTypeBlock:
for (int i = 0; i < node->data.block.statements.length; i += 1) {
AstNode *child = node->data.block.statements.at(i);
- analyze_expression(g, child);
+ analyze_expression(g, import, child);
}
break;
case NodeTypeReturnExpr:
if (node->data.return_expr.expr) {
- analyze_expression(g, node->data.return_expr.expr);
+ analyze_expression(g, import, node->data.return_expr.expr);
}
break;
case NodeTypeBinOpExpr:
- analyze_expression(g, node->data.bin_op_expr.op1);
- analyze_expression(g, node->data.bin_op_expr.op2);
+ analyze_expression(g, import, node->data.bin_op_expr.op1);
+ analyze_expression(g, import, node->data.bin_op_expr.op2);
break;
case NodeTypeFnCallExpr:
{
Buf *name = hack_get_fn_call_name(g, node->data.fn_call_expr.fn_ref_expr);
- auto entry = g->fn_table.maybe_get(name);
+ auto entry = import->fn_table.maybe_get(name);
+ if (!entry)
+ entry = g->fn_table.maybe_get(name);
+
if (!entry) {
add_node_error(g, node,
buf_sprintf("undefined function: '%s'", buf_ptr(name)));
@@ -336,7 +362,7 @@ static void analyze_expression(CodeGen *g, AstNode *node) {
for (int i = 0; i < node->data.fn_call_expr.params.length; i += 1) {
AstNode *child = node->data.fn_call_expr.params.at(i);
- analyze_expression(g, child);
+ analyze_expression(g, import, child);
}
break;
}
@@ -366,7 +392,7 @@ static void analyze_expression(CodeGen *g, AstNode *node) {
}
}
-static void analyze_top_level_declaration(CodeGen *g, AstNode *node) {
+static void analyze_top_level_declaration(CodeGen *g, ImportTableEntry *import, AstNode *node) {
switch (node->type) {
case NodeTypeFnDef:
{
@@ -387,7 +413,7 @@ static void analyze_top_level_declaration(CodeGen *g, AstNode *node) {
}
check_fn_def_control_flow(g, node);
- analyze_expression(g, node->data.fn_def.body);
+ analyze_expression(g, import, node->data.fn_def.body);
}
break;
@@ -423,33 +449,50 @@ static void analyze_top_level_declaration(CodeGen *g, AstNode *node) {
}
}
-static void analyze_root(CodeGen *g, ImportTableEntry *import, AstNode *node) {
+static void find_function_declarations_root(CodeGen *g, ImportTableEntry *import, AstNode *node) {
assert(node->type == NodeTypeRoot);
- // find function declarations
for (int i = 0; i < node->data.root.top_level_decls.length; i += 1) {
AstNode *child = node->data.root.top_level_decls.at(i);
preview_function_declarations(g, import, child);
}
+}
+
+static void analyze_top_level_decls_root(CodeGen *g, ImportTableEntry *import, AstNode *node) {
+ assert(node->type == NodeTypeRoot);
+
for (int i = 0; i < node->data.root.top_level_decls.length; i += 1) {
AstNode *child = node->data.root.top_level_decls.at(i);
- analyze_top_level_declaration(g, child);
+ analyze_top_level_declaration(g, import, child);
}
-
}
void semantic_analyze(CodeGen *g) {
- auto it = g->import_table.entry_iterator();
- for (;;) {
- auto *entry = it.next();
- if (!entry)
- break;
+ {
+ auto it = g->import_table.entry_iterator();
+ for (;;) {
+ auto *entry = it.next();
+ if (!entry)
+ break;
- ImportTableEntry *import = entry->value;
- analyze_root(g, import, import->root);
+ ImportTableEntry *import = entry->value;
+ find_function_declarations_root(g, import, import->root);
+ }
+ }
+ {
+ auto it = g->import_table.entry_iterator();
+ for (;;) {
+ auto *entry = it.next();
+ if (!entry)
+ break;
+
+ ImportTableEntry *import = entry->value;
+ analyze_top_level_decls_root(g, import, import->root);
+ }
}
+
if (!g->root_out_name) {
add_node_error(g, g->root_import->root,
buf_sprintf("missing export declaration and output name not provided"));
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-28 01:05:57 +0000