146 lines
4.9 KiB
C++
146 lines
4.9 KiB
C++
#include "helpers/stream_methods.h"
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#include "test_helper.h"
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#include "tree_sitter/compiler.h"
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#include "compiler/parse_table.h"
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#include "compiler/syntax_grammar.h"
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#include "compiler/lexical_grammar.h"
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#include "compiler/build_tables/parse_item.h"
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#include "compiler/build_tables/lex_item.h"
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namespace tree_sitter {
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ostream &operator<<(ostream &stream, const Grammar &grammar) {
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stream << string("#<grammar");
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stream << " rules: " << grammar.rules;
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return stream << string("}>");
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}
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ostream &operator<<(ostream &stream, const CompileError &error) {
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if (error.type)
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return stream << (string("#<compile-error '") + error.message + "'>");
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else
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return stream << string("#<no-compile-error>");
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}
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ostream &operator<<(ostream &stream, const Rule &rule) {
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return stream << rule.to_string();
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}
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ostream &operator<<(ostream &stream, const rule_ptr &rule) {
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if (rule.get())
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stream << *rule;
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else
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stream << string("(null-rule)");
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return stream;
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}
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ostream &operator<<(ostream &stream, const Variable &variable) {
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return stream << string("{") << variable.name << string(", ") << variable.rule << string(", ") << to_string(variable.type) << string("}");
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}
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ostream &operator<<(ostream &stream, const SyntaxVariable &variable) {
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return stream << string("{") << variable.name << string(", ") << variable.productions << string(", ") << to_string(variable.type) << string("}");
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}
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ostream &operator<<(ostream &stream, const LexicalVariable &variable) {
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return stream << "{" << variable.name << ", " << variable.rule << ", " <<
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to_string(variable.type) << ", " << to_string(variable.is_string) << "}";
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}
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std::ostream &operator<<(std::ostream &stream, const AdvanceAction &action) {
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return stream << string("#<advance ") + to_string(action.state_index) + ">";
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}
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std::ostream &operator<<(std::ostream &stream, const AcceptTokenAction &action) {
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return stream << string("#<accept ") + to_string(action.symbol.index) + ">";
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}
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ostream &operator<<(ostream &stream, const ParseAction &action) {
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switch (action.type) {
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case ParseActionTypeError:
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return stream << string("#<error>");
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case ParseActionTypeAccept:
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return stream << string("#<accept>");
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case ParseActionTypeShift:
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return stream << string("#<shift state:") << to_string(action.state_index) << ">";
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case ParseActionTypeReduce:
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return stream << ("#<reduce sym" + to_string(action.symbol.index) + " " +
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to_string(action.consumed_symbol_count) + ">");
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default:
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return stream;
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}
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}
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ostream &operator<<(ostream &stream, const ParseTableEntry &entry) {
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return stream << entry.actions;
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}
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ostream &operator<<(ostream &stream, const ParseState &state) {
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stream << string("#<parse_state terminal_entries:");
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stream << state.terminal_entries;
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stream << " nonterminal_entries: " << state.nonterminal_entries;
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return stream << string(">");
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}
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ostream &operator<<(ostream &stream, const ExternalToken &external_token) {
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return stream << "{" << external_token.name << ", " << external_token.type <<
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"," << external_token.corresponding_internal_token << "}";
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}
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ostream &operator<<(ostream &stream, const ProductionStep &step) {
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stream << "(symbol: " << step.symbol << ", precedence:" << to_string(step.precedence);
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stream << ", associativity: ";
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switch (step.associativity) {
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case rules::AssociativityLeft:
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return stream << "left)";
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case rules::AssociativityRight:
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return stream << "right)";
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default:
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return stream << "none)";
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}
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}
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ostream &operator<<(ostream &stream, const PrecedenceRange &range) {
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if (range.empty)
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return stream << string("{empty}");
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else
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return stream << string("{") << to_string(range.min) << string(", ") << to_string(range.max) << string("}");
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}
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namespace build_tables {
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ostream &operator<<(ostream &stream, const LexItem &item) {
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return stream << string("(item ") << item.lhs << string(" ") << *item.rule
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<< string(")");
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}
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ostream &operator<<(ostream &stream, const LexItemSet &item_set) {
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return stream << item_set.entries;
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}
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ostream &operator<<(ostream &stream, const LexItemSet::Transition &transition) {
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return stream << "{dest: " << transition.destination << ", prec: " << transition.precedence << "}";
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}
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ostream &operator<<(ostream &stream, const ParseItem &item) {
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return stream << string("(item variable:") << to_string(item.variable_index)
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<< string(" production:") << to_string((size_t)item.production % 1000)
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<< string(" step:") << to_string(item.step_index)
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<< string(")");
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}
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std::ostream &operator<<(std::ostream &stream, const ParseItemSet &item_set) {
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return stream << item_set.entries;
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}
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std::ostream &operator<<(std::ostream &stream, const LookaheadSet &set) {
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if (set.entries.get()) {
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return stream << *set.entries;
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} else {
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return stream << "{}";
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}
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}
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} // namespace build_tables
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} // namespace tree_sitter
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