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Support templates in function arguments

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This commit is contained in:
Doyle
2019-03-21 00:52:31 +11:00
parent f2cbbc3a8c
commit 2f750ecc52
3 changed files with 32 additions and 14 deletions
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Code/DqnInspect.h
+28 -10
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@@ -644,6 +644,19 @@ void CPPTokeniser_SkipToIndentLevel(CPPTokeniser *tokeniser, int indent_level)
}
}
bool CPPTokeniser_AcceptTokenIfType(CPPTokeniser *tokeniser, CPPTokenType type, CPPToken *token)
{
CPPToken check = CPPTokeniser_PeekToken(tokeniser);
bool result = (check.type == type);
if (result && token)
{
CPPTokeniser_NextToken(tokeniser);
*token = check;
}
return result;
}
//
// CPP Parsing Helpers
//
@@ -991,7 +1004,7 @@ b32 ParseCPPVariableType(CPPTokeniser *tokeniser, StringLiteral *type)
if (template_depth == 0)
{
char *expr_start = peek_token.str + 1;
char *expr_end = token.str - 1;
char *expr_end = token.str;
int expr_len = static_cast<int>(expr_end - expr_start);
template_expr.str = expr_start;
@@ -1041,11 +1054,10 @@ CPPDeclLinkedList<CPPVariableDecl> *ParseCPPTypeAndVariableDecl(CPPTokeniser *to
CPPToken variable_type = token;
for (int total_asterisks_count = 0;;)
{
CPPToken peek_token = CPPTokeniser_PeekToken(tokeniser);
CPPToken peek_token = {};
StringLiteral variable_template_expr = {};
if (peek_token.type == CPPTokenType::LessThan)
if (CPPTokeniser_AcceptTokenIfType(tokeniser, CPPTokenType::LessThan, &peek_token))
{
token = CPPTokeniser_NextToken(tokeniser);
int template_depth = 1;
while (template_depth != 0 && token.type != CPPTokenType::EndOfStream)
{
@@ -1059,7 +1071,7 @@ CPPDeclLinkedList<CPPVariableDecl> *ParseCPPTypeAndVariableDecl(CPPTokeniser *to
if (template_depth == 0)
{
char *expr_start = peek_token.str + 1;
char *expr_end = token.str - 1;
char *expr_end = token.str;
int expr_len = static_cast<int>(expr_end - expr_start);
variable_template_expr.str = expr_start;
@@ -1438,15 +1450,21 @@ void ParseCPPInspectPrototype(CPPTokeniser *tokeniser)
for (CPPDeclLinkedList<CPPVariableDecl> *param_link = param_list; param_link; param_link = param_link->next)
{
// TODO(doyle): HACK. We should parse ptrs into the CPPVariableDecl, fixed size arrays into the name and const-ness into the type
CPPVariableDecl *decl = &param_link->value;
StringLiteral *type = &decl->type;
StringLiteral *name = &decl->name;
CPPVariableDecl *decl = &param_link->value;
StringLiteral *type = &decl->type;
char *type_end = (decl->template_expr.len > 0) ? decl->template_expr.str + decl->template_expr.len + 1 // +1 for the ending ">" on the template
: type->str + type->len;
char *name_start = type->str + (type->len + 1);
StringLiteral *name = &decl->name;
char *name_start = type_end + 1;
char *name_end = name->str + name->len;
auto hack_decl_name = StringLiteral(name_start, static_cast<int>(name_end - name_start));
CPPTokeniser_SprintfToFileNoIndenting(tokeniser, "%.*s %.*s", decl->type.len, decl->type.str, hack_decl_name.len, hack_decl_name.str);
CPPTokeniser_SprintfToFileNoIndenting(tokeniser, "%.*s", type->len, type->str);
if (decl->template_expr.len > 0)
CPPTokeniser_SprintfToFileNoIndenting(tokeniser, "<%.*s>", decl->template_expr.len, decl->template_expr.str);
CPPTokeniser_SprintfToFileNoIndenting(tokeniser, " %.*s", hack_decl_name.len, hack_decl_name.str);
if (decl->default_value.len > 0)
CPPTokeniser_SprintfToFileNoIndenting(tokeniser, " = %.*s", decl->default_value.len, decl->default_value.str);