xo-reader: split: exprstatestack to own .*pp files

This commit is contained in:
Roland Conybeare 2024-08-19 13:48:47 -04:00
commit bcb2af4a56
16 changed files with 152 additions and 117 deletions

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@ -171,59 +171,6 @@ namespace xo {
x.print(os);
return os;
}
// ----- exprstatestack -----
/** @class exprstatestack
* @brief A stack of exprstate objects
**/
class exprstatestack {
public:
exprstatestack() {}
bool empty() const { return stack_.empty(); }
std::size_t size() const { return stack_.size(); }
exprstate & top_exprstate();
void push_exprstate(std::unique_ptr<exprstate> exs);
std::unique_ptr<exprstate> pop_exprstate();
/** relative to top-of-stack.
* 0 -> top (last in), z-1 -> bottom (first in)
**/
std::unique_ptr<exprstate> & operator[](std::size_t i) {
std::size_t z = stack_.size();
assert(i < z);
return stack_[z - i - 1];
}
const std::unique_ptr<exprstate> & operator[](std::size_t i) const {
std::size_t z = stack_.size();
assert(i < z);
return stack_[z - i - 1];
}
void print (std::ostream & os) const;
private:
std::vector<std::unique_ptr<exprstate>> stack_;
};
inline std::ostream &
operator<< (std::ostream & os, const exprstatestack & x) {
x.print(os);
return os;
}
inline std::ostream &
operator<< (std::ostream & os, const exprstatestack * x) {
x->print(os);
return os;
}
} /*namespace scm*/
} /*namespace xo*/

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@ -0,0 +1,66 @@
/* file exprstatestack.hpp
*
* author: Roland Conybeare, Aug 2024
*/
#pragma once
#include "exprstate.hpp"
namespace xo {
namespace scm {
/** @class exprstatestack
* @brief A stack of exprstate objects
**/
class exprstatestack {
public:
exprstatestack() {}
bool empty() const { return stack_.empty(); }
std::size_t size() const { return stack_.size(); }
exprstate & top_exprstate();
void push_exprstate(std::unique_ptr<exprstate> exs);
std::unique_ptr<exprstate> pop_exprstate();
/** relative to top-of-stack.
* 0 -> top (last in), z-1 -> bottom (first in)
**/
std::unique_ptr<exprstate> & operator[](std::size_t i) {
std::size_t z = stack_.size();
assert(i < z);
return stack_[z - i - 1];
}
const std::unique_ptr<exprstate> & operator[](std::size_t i) const {
std::size_t z = stack_.size();
assert(i < z);
return stack_[z - i - 1];
}
void print (std::ostream & os) const;
private:
std::vector<std::unique_ptr<exprstate>> stack_;
};
inline std::ostream &
operator<< (std::ostream & os, const exprstatestack & x) {
x.print(os);
return os;
}
inline std::ostream &
operator<< (std::ostream & os, const exprstatestack * x) {
x->print(os);
return os;
}
} /*namespace scm*/
} /*namespace xo*/
/* end exprstatestack.hpp */

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@ -5,7 +5,7 @@
#pragma once
#include "exprstate.hpp"
#include "exprstatestack.hpp"
#include <stdexcept>
namespace xo {

View file

@ -5,6 +5,7 @@ set(SELF_SRCS
parser.cpp
reader.cpp
exprstate.cpp
exprstatestack.cpp
define_xs.cpp
progress_xs.cpp
paren_xs.cpp

View file

@ -1,6 +1,7 @@
/* @file define_xs.cpp */
#include "define_xs.hpp"
#include "exprstatestack.hpp"
#include "parserstatemachine.hpp"
#include "expect_symbol_xs.hpp"
#include "expect_expr_xs.hpp"

View file

@ -5,6 +5,7 @@
#include "expect_expr_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "lambda_xs.hpp"
#include "paren_xs.hpp"
#include "progress_xs.hpp"

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@ -4,9 +4,10 @@
*/
#include "expect_formal_arglist_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "expect_formal_xs.hpp"
#include "expect_symbol_xs.hpp"
#include "parserstatemachine.hpp"
#include "xo/expression/Variable.hpp"
#include "xo/indentlog/print/vector.hpp"

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@ -7,6 +7,7 @@
#include "expect_symbol_xs.hpp"
#include "expect_type_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "xo/expression/Variable.hpp"
namespace xo {

View file

@ -5,6 +5,7 @@
#include "expect_symbol_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
namespace xo {
namespace scm {

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@ -5,6 +5,7 @@
#include "expect_type_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "xo/reflect/Reflect.hpp"
namespace xo {

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@ -1,9 +1,10 @@
/* @file exprseq_xs.cpp */
#include "exprseq_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "define_xs.hpp"
#include "expect_symbol_xs.hpp"
#include "parserstatemachine.hpp"
namespace xo {
namespace scm {

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@ -1,6 +1,7 @@
/* @file exprstate.cpp */
#include "exprstate.hpp"
#include "exprstatestack.hpp"
#include "parserstatemachine.hpp"
//#include "formal_arg.hpp"
#include "xo/expression/Variable.hpp"
@ -390,67 +391,6 @@ namespace xo {
xtag("token", tk),
xtag("state", *this)));
}
// ----- exprstatestack -----
exprstate &
exprstatestack::top_exprstate() {
std::size_t z = stack_.size();
if (z == 0) {
throw std::runtime_error
("parser::top_exprstate: unexpected empty stack");
}
return *(stack_[z-1]);
}
void
exprstatestack::push_exprstate(std::unique_ptr<exprstate> exs) {
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag),
xtag("exs", *exs));
std::size_t z = stack_.size();
stack_.resize(z+1);
stack_[z] = std::move(exs);
}
std::unique_ptr<exprstate>
exprstatestack::pop_exprstate() {
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag),
xtag("top.exstype", top_exprstate().exs_type()));
std::size_t z = stack_.size();
if (z > 0) {
std::unique_ptr<exprstate> top = std::move(stack_[z-1]);
stack_.resize(z-1);
return top;
} else {
return nullptr;
}
}
void
exprstatestack::print(std::ostream & os) const {
os << "<exprstatestack"
<< xtag("size", stack_.size())
<< std::endl;
for (std::size_t i = 0, z = stack_.size(); i < z; ++i) {
os << " [" << z-i-1 << "] "
<< stack_[i]
<< std::endl;
}
os << ">" << std::endl;
}
} /*namespace scm*/
} /*namespace xo*/

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@ -0,0 +1,71 @@
/* file exprstatestack.cpp
*
* author: Roland Conybeare
*/
#include "exprstatestack.hpp"
namespace xo {
namespace scm {
exprstate &
exprstatestack::top_exprstate() {
std::size_t z = stack_.size();
if (z == 0) {
throw std::runtime_error
("parser::top_exprstate: unexpected empty stack");
}
return *(stack_[z-1]);
}
void
exprstatestack::push_exprstate(std::unique_ptr<exprstate> exs) {
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag),
xtag("exs", *exs));
std::size_t z = stack_.size();
stack_.resize(z+1);
stack_[z] = std::move(exs);
}
std::unique_ptr<exprstate>
exprstatestack::pop_exprstate() {
constexpr bool c_debug_flag = true;
scope log(XO_DEBUG(c_debug_flag),
xtag("top.exstype", top_exprstate().exs_type()));
std::size_t z = stack_.size();
if (z > 0) {
std::unique_ptr<exprstate> top = std::move(stack_[z-1]);
stack_.resize(z-1);
return top;
} else {
return nullptr;
}
}
void
exprstatestack::print(std::ostream & os) const {
os << "<exprstatestack"
<< xtag("size", stack_.size())
<< std::endl;
for (std::size_t i = 0, z = stack_.size(); i < z; ++i) {
os << " [" << z-i-1 << "] "
<< stack_[i]
<< std::endl;
}
os << ">" << std::endl;
}
} /*namespace scm*/
} /*namespace xo*/
/* end exprstatestack.cpp */

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@ -2,6 +2,7 @@
#include "lambda_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "expect_formal_arglist_xs.hpp"
#include "expect_expr_xs.hpp"
#include "xo/expression/Lambda.hpp"

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@ -2,6 +2,7 @@
#include "paren_xs.hpp"
#include "parserstatemachine.hpp"
#include "exprstatestack.hpp"
#include "progress_xs.hpp"
#include "expect_expr_xs.hpp"

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@ -1,6 +1,7 @@
/* @file progress_xs.cpp */
#include "progress_xs.hpp"
#include "exprstatestack.hpp"
#include "expect_expr_xs.hpp"
#include "parserstatemachine.hpp"
#include "xo/expression/Apply.hpp"