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Switch executing_node_idx to storing a tnode_t

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Avoids annoying index<->node conversions.
This commit is contained in:
ridiculousfish 2018-02-11 20:08:40 -08:00
parent c3f1961e36
commit 8251d949f1
2 changed files with 14 additions and 17 deletions
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22
src/parse_execution.cpp
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@ -1120,7 +1120,7 @@ parse_execution_result_t parse_execution_context_t::run_1_job(tnode_t<g::job> jo
scoped_push<int> saved_eval_level(&eval_level, eval_level + 1);
// Save the node index.
scoped_push<node_offset_t> saved_node_offset(&executing_node_idx, this->get_offset(job_node));
scoped_push<tnode_t<grammar::job>> saved_node(&executing_job_node, job_node);
// Profiling support.
long long start_time = 0, parse_time = 0, exec_time = 0;
@ -1305,20 +1305,19 @@ parse_execution_result_t parse_execution_context_t::eval_node(tnode_t<g::job_lis
return status;
}
int parse_execution_context_t::line_offset_of_node_at_offset(node_offset_t requested_index) {
int parse_execution_context_t::line_offset_of_node(tnode_t<g::job> node) {
// If we're not executing anything, return -1.
if (requested_index == NODE_OFFSET_INVALID) {
if (!node) {
return -1;
}
// If for some reason we're executing a node without source, return -1.
const parse_node_t &node = tree().at(requested_index);
if (!node.has_source()) {
auto range = node.source_range();
if (!range) {
return -1;
}
size_t char_offset = tree().at(requested_index).source_start;
return this->line_offset_of_character_at_offset(char_offset);
return this->line_offset_of_character_at_offset(range->start);
}
int parse_execution_context_t::line_offset_of_character_at_offset(size_t offset) {
@ -1357,7 +1356,7 @@ int parse_execution_context_t::line_offset_of_character_at_offset(size_t offset)
int parse_execution_context_t::get_current_line_number() {
int line_number = -1;
int line_offset = this->line_offset_of_node_at_offset(this->executing_node_idx);
int line_offset = this->line_offset_of_node(this->executing_job_node);
if (line_offset >= 0) {
// The offset is 0 based; the number is 1 based.
line_number = line_offset + 1;
@ -1367,10 +1366,9 @@ int parse_execution_context_t::get_current_line_number() {
int parse_execution_context_t::get_current_source_offset() const {
int result = -1;
if (executing_node_idx != NODE_OFFSET_INVALID) {
const parse_node_t &node = tree().at(executing_node_idx);
if (node.has_source()) {
result = static_cast<int>(node.source_start);
if (executing_job_node) {
if (auto range = executing_job_node.source_range()) {
result = static_cast<int>(range->start);
}
}
return result;

9
src/parse_execution.h
View File

@ -33,8 +33,8 @@ class parse_execution_context_t {
parser_t *const parser;
// parse_error_list_t errors;
int eval_level;
// The currently executing node index, used to indicate the line number.
node_offset_t executing_node_idx = NODE_OFFSET_INVALID;
// The currently executing job node, used to indicate the line number.
tnode_t<grammar::job> executing_job_node{};
// Cached line number information.
size_t cached_lineno_offset = 0;
int cached_lineno_count = 0;
@ -123,9 +123,8 @@ class parse_execution_context_t {
parse_execution_result_t populate_job_from_job_node(job_t *j, tnode_t<grammar::job> job_node,
const block_t *associated_block);
// Returns the line number of the node at the given index, indexed from 0. Not const since it
// touches cached_lineno_offset.
int line_offset_of_node_at_offset(node_offset_t idx);
// Returns the line number of the node. Not const since it touches cached_lineno_offset.
int line_offset_of_node(tnode_t<grammar::job> node);
int line_offset_of_character_at_offset(size_t char_idx);
public: