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[source-code-locations] - added options to show, obfuscate, and hide source code locations (#5412)

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This commit is contained in:
Hayden Gray
2025-06-26 16:43:44 -04:00
committed by GitHub
parent 22a48d4d9c
commit f72b2b1530
5 changed files with 107 additions and 12 deletions
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src/build_settings.cpp
+8 -1
View File
@@ -385,6 +385,13 @@ enum LinkerChoice : i32 {
Linker_COUNT,
};
enum SourceCodeLocationInfo : u8 {
SourceCodeLocationInfo_Normal = 0,
SourceCodeLocationInfo_Obfuscated = 1,
SourceCodeLocationInfo_Filename = 2,
SourceCodeLocationInfo_None = 3,
};
String linker_choices[Linker_COUNT] = {
str_lit("default"),
str_lit("lld"),
@@ -512,7 +519,7 @@ struct BuildContext {
bool dynamic_map_calls;
bool obfuscate_source_code_locations;
SourceCodeLocationInfo source_code_location_info;
bool min_link_libs;
src/check_expr.cpp
+42 -4
View File
@@ -8760,23 +8760,52 @@ gb_internal ExprKind check_basic_directive_expr(CheckerContext *c, Operand *o, A
String name = bd->name.string;
if (name == "file") {
String file = get_file_path_string(bd->token.pos.file_id);
if (build_context.obfuscate_source_code_locations) {
switch (build_context.source_code_location_info) {
case SourceCodeLocationInfo_Normal:
break;
case SourceCodeLocationInfo_Obfuscated:
file = obfuscate_string(file, "F");
break;
case SourceCodeLocationInfo_Filename:
file = last_path_element(file);
break;
case SourceCodeLocationInfo_None:
file = str_lit("");
break;
}
o->type = t_untyped_string;
o->value = exact_value_string(file);
} else if (name == "directory") {
String file = get_file_path_string(bd->token.pos.file_id);
String path = dir_from_path(file);
if (build_context.obfuscate_source_code_locations) {
switch (build_context.source_code_location_info) {
case SourceCodeLocationInfo_Normal:
break;
case SourceCodeLocationInfo_Obfuscated:
path = obfuscate_string(path, "D");
break;
case SourceCodeLocationInfo_Filename:
path = last_path_element(path);
break;
case SourceCodeLocationInfo_None:
path = str_lit("");
break;
}
o->type = t_untyped_string;
o->value = exact_value_string(path);
} else if (name == "line") {
i32 line = bd->token.pos.line;
if (build_context.obfuscate_source_code_locations) {
switch (build_context.source_code_location_info) {
case SourceCodeLocationInfo_Normal:
break;
case SourceCodeLocationInfo_Obfuscated:
line = obfuscate_i32(line);
break;
case SourceCodeLocationInfo_Filename:
break;
case SourceCodeLocationInfo_None:
line = 0;
break;
}
o->type = t_untyped_integer;
o->value = exact_value_i64(line);
@@ -8787,8 +8816,17 @@ gb_internal ExprKind check_basic_directive_expr(CheckerContext *c, Operand *o, A
o->value = exact_value_string(str_lit(""));
} else {
String p = c->proc_name;
if (build_context.obfuscate_source_code_locations) {
switch (build_context.source_code_location_info) {
case SourceCodeLocationInfo_Normal:
break;
case SourceCodeLocationInfo_Obfuscated:
p = obfuscate_string(p, "P");
break;
case SourceCodeLocationInfo_Filename:
break;
case SourceCodeLocationInfo_None:
p = str_lit("");
break;
}
o->type = t_untyped_string;
o->value = exact_value_string(p);
src/llvm_backend_const.cpp
+17 -3
View File
@@ -292,12 +292,26 @@ gb_internal lbValue lb_const_source_code_location_const(lbModule *m, String cons
i32 line = pos.line;
i32 column = pos.column;
if (build_context.obfuscate_source_code_locations) {
switch (build_context.source_code_location_info) {
case SourceCodeLocationInfo_Normal:
break;
case SourceCodeLocationInfo_Obfuscated:
file = obfuscate_string(file, "F");
procedure = obfuscate_string(procedure, "P");
line = obfuscate_i32(line);
column = obfuscate_i32(column);
line = obfuscate_i32(line);
column = obfuscate_i32(column);
break;
case SourceCodeLocationInfo_Filename:
file = last_path_element(file);
break;
case SourceCodeLocationInfo_None:
file = str_lit("");
procedure = str_lit("");
line = 0;
column = 0;
break;
}
LLVMValueRef fields[4] = {};
src/llvm_backend_general.cpp
+13 -1
View File
@@ -568,10 +568,22 @@ gb_internal void lb_set_file_line_col(lbProcedure *p, Array<lbValue> arr, TokenP
i32 line = pos.line;
i32 col = pos.column;
if (build_context.obfuscate_source_code_locations) {
switch (build_context.source_code_location_info) {
case SourceCodeLocationInfo_Normal:
break;
case SourceCodeLocationInfo_Obfuscated:
file = obfuscate_string(file, "F");
line = obfuscate_i32(line);
col = obfuscate_i32(col);
break;
case SourceCodeLocationInfo_Filename:
file = last_path_element(file);
break;
case SourceCodeLocationInfo_None:
file = str_lit("");
line = 0;
col = 0;
break;
}
arr[0] = lb_find_or_add_entity_string(p->module, file, false);
src/main.cpp
+27 -3
View File
@@ -370,6 +370,7 @@ enum BuildFlagKind {
BuildFlag_NoRTTI,
BuildFlag_DynamicMapCalls,
BuildFlag_ObfuscateSourceCodeLocations,
BuildFlag_SourceCodeLocations,
BuildFlag_Compact,
BuildFlag_GlobalDefinitions,
@@ -594,6 +595,7 @@ gb_internal bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_DynamicMapCalls, str_lit("dynamic-map-calls"), BuildFlagParam_None, Command__does_check);
add_flag(&build_flags, BuildFlag_ObfuscateSourceCodeLocations, str_lit("obfuscate-source-code-locations"), BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_SourceCodeLocations, str_lit("source-code-locations"), BuildFlagParam_String, Command__does_build);
add_flag(&build_flags, BuildFlag_Short, str_lit("short"), BuildFlagParam_None, Command_doc);
add_flag(&build_flags, BuildFlag_AllPackages, str_lit("all-packages"), BuildFlagParam_None, Command_doc | Command_test | Command_build);
@@ -1422,7 +1424,23 @@ gb_internal bool parse_build_flags(Array<String> args) {
break;
case BuildFlag_ObfuscateSourceCodeLocations:
build_context.obfuscate_source_code_locations = true;
gb_printf_err("'-obfuscate-source-code-locations' is now deprecated in favor of '-source-code-locations:obfuscated'\n");
build_context.source_code_location_info = SourceCodeLocationInfo_Obfuscated;
break;
case BuildFlag_SourceCodeLocations:
if (str_eq_ignore_case(value.value_string, str_lit("normal"))) {
build_context.source_code_location_info = SourceCodeLocationInfo_Normal;
} else if (str_eq_ignore_case(value.value_string, str_lit("obfuscated"))) {
build_context.source_code_location_info = SourceCodeLocationInfo_Obfuscated;
} else if (str_eq_ignore_case(value.value_string, str_lit("filename"))) {
build_context.source_code_location_info = SourceCodeLocationInfo_Filename;
} else if (str_eq_ignore_case(value.value_string, str_lit("none"))) {
build_context.source_code_location_info = SourceCodeLocationInfo_None;
} else {
gb_printf_err("-source-code-locations:<string> options are 'normal', 'obfuscated', 'filename', and 'none'\n");
bad_flags = true;
}
break;
case BuildFlag_DefaultToNilAllocator:
@@ -2669,8 +2687,14 @@ gb_internal int print_show_help(String const arg0, String command, String option
}
if (print_flag("-obfuscate-source-code-locations")) {
print_usage_line(2, "Obfuscate the file and procedure strings, and line and column numbers, stored with a 'runtime.Source_Code_Location' value.");
if (print_flag("-source-code-locations:<string>")) {
print_usage_line(2, "Processes the file and procedure strings, and line and column numbers, stored with a 'runtime.Source_Code_Location' value.");
print_usage_line(2, "Available options:");
print_usage_line(3, "-source-code-locations:normal");
print_usage_line(3, "-source-code-locations:obfuscated");
print_usage_line(3, "-source-code-locations:filename");
print_usage_line(3, "-source-code-locations:none");
print_usage_line(2, "The default is -source-code-locations:normal.");
}