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#include "prism/json.h"
// Ensure this translation unit is never empty, even when JSON is excluded.
typedef int pm_json_unused_t;
#ifndef PRISM_EXCLUDE_JSON
#include "prism/internal/buffer.h"
#include "prism/internal/constant_pool.h"
#include "prism/internal/integer.h"
#include "prism/internal/parser.h"
#include <inttypes.h>
static void
pm_dump_json_constant(pm_buffer_t *buffer, const pm_parser_t *parser, pm_constant_id_t constant_id) {
const pm_constant_t *constant = pm_constant_pool_id_to_constant(&parser->constant_pool, constant_id);
pm_buffer_append_byte(buffer, '"');
pm_buffer_append_source(buffer, constant->start, constant->length, PM_BUFFER_ESCAPING_JSON);
pm_buffer_append_byte(buffer, '"');
}
static void
pm_dump_json_location(pm_buffer_t *buffer, const pm_location_t *location) {
pm_buffer_append_format(buffer, "{\"start\":%" PRIu32 ",\"length\":%" PRIu32 "}", location->start, location->length);
}
/**
* Dump JSON to the given buffer.
*/
void
pm_dump_json(pm_buffer_t *buffer, const pm_parser_t *parser, const pm_node_t *node) {
switch (PM_NODE_TYPE(node)) {
<%- nodes.each do |node| -%>
case <%= node.type %>: {
pm_buffer_append_string(buffer, "{\"type\":\"<%= node.name %>\",\"location\":", <%= node.name.bytesize + 22 %>);
const pm_<%= node.human %>_t *cast = (const pm_<%= node.human %>_t *) node;
pm_dump_json_location(buffer, &cast->base.location);
<%- [*node.flags, *node.fields].each_with_index do |field, index| -%>
// Dump the <%= field.name %> field
pm_buffer_append_byte(buffer, ',');
<%- if field.is_a?(Prism::Template::Flags) -%>
pm_buffer_append_string(buffer, "\"flags\":", 8);
<%- else -%>
pm_buffer_append_string(buffer, "\"<%= field.name %>\":", <%= field.name.bytesize + 3 %>);
<%- end -%>
<%- case field -%>
<%- when Prism::Template::NodeField -%>
pm_dump_json(buffer, parser, (const pm_node_t *) cast-><%= field.name %>);
<%- when Prism::Template::OptionalNodeField -%>
if (cast-><%= field.name %> != NULL) {
pm_dump_json(buffer, parser, (const pm_node_t *) cast-><%= field.name %>);
} else {
pm_buffer_append_string(buffer, "null", 4);
}
<%- when Prism::Template::NodeListField -%>
const pm_node_list_t *<%= field.name %> = &cast-><%= field.name %>;
pm_buffer_append_byte(buffer, '[');
for (size_t index = 0; index < <%= field.name %>->size; index++) {
if (index != 0) pm_buffer_append_byte(buffer, ',');
pm_dump_json(buffer, parser, <%= field.name %>->nodes[index]);
}
pm_buffer_append_byte(buffer, ']');
<%- when Prism::Template::StringField -%>
const pm_string_t *<%= field.name %> = &cast-><%= field.name %>;
pm_buffer_append_byte(buffer, '"');
pm_buffer_append_source(buffer, pm_string_source(<%= field.name %>), pm_string_length(<%= field.name %>), PM_BUFFER_ESCAPING_JSON);
pm_buffer_append_byte(buffer, '"');
<%- when Prism::Template::ConstantField -%>
pm_dump_json_constant(buffer, parser, cast-><%= field.name %>);
<%- when Prism::Template::OptionalConstantField -%>
if (cast-><%= field.name %> != PM_CONSTANT_ID_UNSET) {
pm_dump_json_constant(buffer, parser, cast-><%= field.name %>);
} else {
pm_buffer_append_string(buffer, "null", 4);
}
<%- when Prism::Template::ConstantListField -%>
const pm_constant_id_list_t *<%= field.name %> = &cast-><%= field.name %>;
pm_buffer_append_byte(buffer, '[');
for (size_t index = 0; index < <%= field.name %>->size; index++) {
if (index != 0) pm_buffer_append_byte(buffer, ',');
pm_dump_json_constant(buffer, parser, <%= field.name %>->ids[index]);
}
pm_buffer_append_byte(buffer, ']');
<%- when Prism::Template::LocationField -%>
pm_dump_json_location(buffer, &cast-><%= field.name %>);
<%- when Prism::Template::OptionalLocationField -%>
if (cast-><%= field.name %>.length != 0) {
pm_dump_json_location(buffer, &cast-><%= field.name %>);
} else {
pm_buffer_append_string(buffer, "null", 4);
}
<%- when Prism::Template::UInt8Field -%>
pm_buffer_append_format(buffer, "%" PRIu8, cast-><%= field.name %>);
<%- when Prism::Template::UInt32Field -%>
pm_buffer_append_format(buffer, "%" PRIu32, cast-><%= field.name %>);
<%- when Prism::Template::Flags -%>
size_t flags = 0;
pm_buffer_append_byte(buffer, '[');
<%- node.flags.values.each_with_index do |value, index| -%>
if (PM_NODE_FLAG_P(cast, PM_<%= node.flags.human.upcase %>_<%= value.name %>)) {
if (flags != 0) pm_buffer_append_byte(buffer, ',');
pm_buffer_append_string(buffer, "\"<%= value.name %>\"", <%= value.name.bytesize + 2 %>);
flags++;
}
<%- end -%>
pm_buffer_append_byte(buffer, ']');
<%- when Prism::Template::IntegerField -%>
pm_integer_string(buffer, &cast-><%= field.name %>);
<%- when Prism::Template::DoubleField -%>
pm_buffer_append_format(buffer, "%f", cast-><%= field.name %>);
<%- else -%>
<%- raise %>
<%- end -%>
<%- end -%>
pm_buffer_append_byte(buffer, '}');
break;
}
<%- end -%>
case PM_SCOPE_NODE:
break;
}
}
#endif
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