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Code Releases Wiki Activity

Clean up Shader Preprocessor

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* Moved preprocessor to Shader and ShaderInclude
* Clean up RenderingServer side
* Preprocessor is separate from parser now, but it emits tokens with include location hints.
* Improved ShaderEditor validation code
* Added include file code completion
* Added notification for all files affected by a broken include.
This commit is contained in:
reduz
2022-06-29 11:31:18 +02:00
committed by Juan Linietsky
parent 7b94603baa
commit f649678402
32 changed files with 548 additions and 291 deletions
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70
servers/rendering/shader_compiler.cpp
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@@ -1323,18 +1323,76 @@ Error ShaderCompiler::compile(RS::ShaderMode p_mode, const String &p_code, Ident
Error err = parser.compile(p_code, info);
if (err != OK) {
Vector<ShaderLanguage::FilePosition> include_positions = parser.get_include_positions();
String current;
HashMap<String, Vector<String>> includes;
includes[""] = Vector<String>();
Vector<String> include_stack;
Vector<String> shader = p_code.split("\n");
// Reconstruct the files.
for (int i = 0; i < shader.size(); i++) {
if (i + 1 == parser.get_error_line()) {
// Mark the error line to be visible without having to look at
// the trace at the end.
print_line(vformat("E%4d-> %s", i + 1, shader[i]));
String l = shader[i];
if (l.begins_with("@@>")) {
String inc_path = l.replace_first("@@>", "");
l = "#include \"" + inc_path + "\"";
includes[current].append("#include \"" + inc_path + "\""); // Restore the include directive
include_stack.push_back(current);
current = inc_path;
includes[inc_path] = Vector<String>();
} else if (l.begins_with("@@<")) {
if (include_stack.size()) {
current = include_stack[include_stack.size() - 1];
include_stack.resize(include_stack.size() - 1);
}
} else {
print_line(vformat("%5d | %s", i + 1, shader[i]));
includes[current].push_back(l);
}
}
_err_print_error(nullptr, p_path.utf8().get_data(), parser.get_error_line(), parser.get_error_text().utf8().get_data(), false, ERR_HANDLER_SHADER);
// Print the files.
for (const KeyValue<String, Vector<String>> &E : includes) {
if (E.key.is_empty()) {
if (p_path == "") {
print_line("--Main Shader--");
} else {
print_line("--" + p_path + "--");
}
} else {
print_line("--" + E.key + "--");
}
int err_line = -1;
for (int i = 0; i < include_positions.size(); i++) {
if (include_positions[i].file == E.key) {
err_line = include_positions[i].line;
}
}
const Vector<String> &V = E.value;
for (int i = 0; i < V.size(); i++) {
if (i == err_line - 1) {
// Mark the error line to be visible without having to look at
// the trace at the end.
print_line(vformat("E%4d-> %s", i + 1, V[i]));
} else {
print_line(vformat("%5d | %s", i + 1, V[i]));
}
}
}
String file;
int line;
if (include_positions.size() > 1) {
file = include_positions[include_positions.size() - 1].file;
line = include_positions[include_positions.size() - 1].line;
} else {
file = p_path;
line = parser.get_error_line();
}
_err_print_error(nullptr, file.utf8().get_data(), line, parser.get_error_text().utf8().get_data(), false, ERR_HANDLER_SHADER);
return err;
}