diff options
Diffstat (limited to 'node_modules/node-sass/src/libsass/src/source_map.cpp')
| -rw-r--r-- | node_modules/node-sass/src/libsass/src/source_map.cpp | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/node_modules/node-sass/src/libsass/src/source_map.cpp b/node_modules/node-sass/src/libsass/src/source_map.cpp deleted file mode 100644 index c171a3f..0000000 --- a/node_modules/node-sass/src/libsass/src/source_map.cpp +++ /dev/null @@ -1,195 +0,0 @@ -#include "sass.hpp" -#include <string> -#include <sstream> -#include <iostream> -#include <iomanip> - -#include "ast.hpp" -#include "json.hpp" -#include "context.hpp" -#include "position.hpp" -#include "source_map.hpp" - -namespace Sass { - SourceMap::SourceMap() : current_position(0, 0, 0), file("stdin") { } - SourceMap::SourceMap(const std::string& file) : current_position(0, 0, 0), file(file) { } - - std::string SourceMap::render_srcmap(Context &ctx) { - - const bool include_sources = ctx.c_options.source_map_contents; - const std::vector<std::string> links = ctx.srcmap_links; - const std::vector<Resource>& sources(ctx.resources); - - JsonNode* json_srcmap = json_mkobject(); - - json_append_member(json_srcmap, "version", json_mknumber(3)); - - const char *file_name = file.c_str(); - JsonNode *json_file_name = json_mkstring(file_name); - json_append_member(json_srcmap, "file", json_file_name); - - // pass-through sourceRoot option - if (!ctx.source_map_root.empty()) { - JsonNode* root = json_mkstring(ctx.source_map_root.c_str()); - json_append_member(json_srcmap, "sourceRoot", root); - } - - JsonNode *json_sources = json_mkarray(); - for (size_t i = 0; i < source_index.size(); ++i) { - std::string source(links[source_index[i]]); - if (ctx.c_options.source_map_file_urls) { - source = File::rel2abs(source); - // check for windows abs path - if (source[0] == '/') { - // ends up with three slashes - source = "file://" + source; - } else { - // needs an additional slash - source = "file:///" + source; - } - } - const char* source_name = source.c_str(); - JsonNode *json_source_name = json_mkstring(source_name); - json_append_element(json_sources, json_source_name); - } - json_append_member(json_srcmap, "sources", json_sources); - - if (include_sources && source_index.size()) { - JsonNode *json_contents = json_mkarray(); - for (size_t i = 0; i < source_index.size(); ++i) { - const Resource& resource(sources[source_index[i]]); - JsonNode *json_content = json_mkstring(resource.contents); - json_append_element(json_contents, json_content); - } - json_append_member(json_srcmap, "sourcesContent", json_contents); - } - - JsonNode *json_names = json_mkarray(); - // so far we have no implementation for names - // no problem as we do not alter any identifiers - json_append_member(json_srcmap, "names", json_names); - - std::string mappings = serialize_mappings(); - JsonNode *json_mappings = json_mkstring(mappings.c_str()); - json_append_member(json_srcmap, "mappings", json_mappings); - - char *str = json_stringify(json_srcmap, "\t"); - std::string result = std::string(str); - free(str); - json_delete(json_srcmap); - return result; - } - - std::string SourceMap::serialize_mappings() { - std::string result = ""; - - size_t previous_generated_line = 0; - size_t previous_generated_column = 0; - size_t previous_original_line = 0; - size_t previous_original_column = 0; - size_t previous_original_file = 0; - for (size_t i = 0; i < mappings.size(); ++i) { - const size_t generated_line = mappings[i].generated_position.line; - const size_t generated_column = mappings[i].generated_position.column; - const size_t original_line = mappings[i].original_position.line; - const size_t original_column = mappings[i].original_position.column; - const size_t original_file = mappings[i].original_position.file; - - if (generated_line != previous_generated_line) { - previous_generated_column = 0; - if (generated_line > previous_generated_line) { - result += std::string(generated_line - previous_generated_line, ';'); - previous_generated_line = generated_line; - } - } - else if (i > 0) { - result += ","; - } - - // generated column - result += base64vlq.encode(static_cast<int>(generated_column) - static_cast<int>(previous_generated_column)); - previous_generated_column = generated_column; - // file - result += base64vlq.encode(static_cast<int>(original_file) - static_cast<int>(previous_original_file)); - previous_original_file = original_file; - // source line - result += base64vlq.encode(static_cast<int>(original_line) - static_cast<int>(previous_original_line)); - previous_original_line = original_line; - // source column - result += base64vlq.encode(static_cast<int>(original_column) - static_cast<int>(previous_original_column)); - previous_original_column = original_column; - } - - return result; - } - - void SourceMap::prepend(const OutputBuffer& out) - { - Offset size(out.smap.current_position); - for (Mapping mapping : out.smap.mappings) { - if (mapping.generated_position.line > size.line) { - throw(std::runtime_error("prepend sourcemap has illegal line")); - } - if (mapping.generated_position.line == size.line) { - if (mapping.generated_position.column > size.column) { - throw(std::runtime_error("prepend sourcemap has illegal column")); - } - } - } - // adjust the buffer offset - prepend(Offset(out.buffer)); - // now add the new mappings - VECTOR_UNSHIFT(mappings, out.smap.mappings); - } - - void SourceMap::append(const OutputBuffer& out) - { - append(Offset(out.buffer)); - } - - void SourceMap::prepend(const Offset& offset) - { - if (offset.line != 0 || offset.column != 0) { - for (Mapping& mapping : mappings) { - // move stuff on the first old line - if (mapping.generated_position.line == 0) { - mapping.generated_position.column += offset.column; - } - // make place for the new lines - mapping.generated_position.line += offset.line; - } - } - if (current_position.line == 0) { - current_position.column += offset.column; - } - current_position.line += offset.line; - } - - void SourceMap::append(const Offset& offset) - { - current_position += offset; - } - - void SourceMap::add_open_mapping(const AST_Node_Ptr node) - { - mappings.push_back(Mapping(node->pstate(), current_position)); - } - - void SourceMap::add_close_mapping(const AST_Node_Ptr node) - { - mappings.push_back(Mapping(node->pstate() + node->pstate().offset, current_position)); - } - - ParserState SourceMap::remap(const ParserState& pstate) { - for (size_t i = 0; i < mappings.size(); ++i) { - if ( - mappings[i].generated_position.file == pstate.file && - mappings[i].generated_position.line == pstate.line && - mappings[i].generated_position.column == pstate.column - ) return ParserState(pstate.path, pstate.src, mappings[i].original_position, pstate.offset); - } - return ParserState(pstate.path, pstate.src, Position(-1, -1, -1), Offset(0, 0)); - - } - -} |