Files
gf-core/src/runtime/c/pgf/graphviz.c
2021-01-20 20:38:19 +01:00

416 lines
12 KiB
C

#include "data.h"
#include "graphviz.h"
#include "linearizer.h"
PgfGraphvizOptions pgf_default_graphviz_options[1] =
{ {0, 0, 0, 1, NULL, NULL, NULL, NULL, NULL, NULL} } ;
static int
pgf_graphviz_abstract_tree_(PgfPGF* pgf, PgfExpr expr, int *pid,
PgfGraphvizOptions* opts,
GuOut* out, GuExn* err)
{
int id = -1;
GuVariantInfo ei = gu_variant_open(expr);
switch (ei.tag) {
case PGF_EXPR_ABS:
gu_impossible();
break;
case PGF_EXPR_APP: {
PgfExprApp* app = ei.data;
id = pgf_graphviz_abstract_tree_(pgf, app->fun, pid, opts, out, err);
int arg_id = pgf_graphviz_abstract_tree_(pgf, app->arg, pid, opts, out, err);
gu_printf(out, err, "n%d -- n%d", id, arg_id);
if (opts->nodeEdgeStyle != NULL && *opts->nodeEdgeStyle && opts->nodeColor != NULL && *opts->nodeColor)
gu_printf(out, err, " [style = \"%s\", color = \"%s\"]", opts->nodeEdgeStyle, opts->nodeColor);
else if (opts->nodeEdgeStyle != NULL && *opts->nodeEdgeStyle)
gu_printf(out, err, " [style = \"%s\"]", opts->nodeEdgeStyle);
else if (opts->nodeColor != NULL && *opts->nodeColor)
gu_printf(out, err, " [color = \"%s\"]", opts->nodeColor);
gu_printf(out, err, "\n", id, arg_id);
break;
}
case PGF_EXPR_LIT: {
PgfExprLit* lit = ei.data;
id = (*pid)++;
gu_printf(out, err, "n%d[label = \"", id);
GuVariantInfo ei = gu_variant_open(lit->lit);
switch (ei.tag) {
case PGF_LITERAL_STR: {
PgfLiteralStr* lit = ei.data;
gu_puts("\\\"", out, err);
gu_string_write(lit->val, out, err);
gu_puts("\\\"", out, err);
break;
}
case PGF_LITERAL_INT: {
PgfLiteralInt* lit = ei.data;
gu_printf(out, err, "%d", lit->val);
break;
}
case PGF_LITERAL_FLT: {
PgfLiteralFlt* lit = ei.data;
gu_printf(out, err, "%lf", lit->val);
break;
}
default:
gu_impossible();
}
gu_puts("\", style = \"solid\", shape = \"plaintext\"]\n", out, err);
break;
}
case PGF_EXPR_META:
id = (*pid)++;
gu_printf(out, err, "n%d[label = \"?\", style = \"solid\", shape = \"plaintext\"]\n", id);
break;
case PGF_EXPR_FUN: {
PgfExprFun* fun = ei.data;
id = (*pid)++;
if (opts->noFun && opts->noCat) {
gu_printf(out, err, "n%d[shape = \"point\"]\n", id);
} else {
gu_printf(out, err, "n%d[label = \"", id);
PgfType* ty = (opts->noCat) ? NULL : pgf_function_type(pgf, fun->fun);
if (!opts->noFun)
gu_string_write(fun->fun, out, err);
if (!opts->noFun && ty != NULL)
gu_puts(" : ", out,err);
if (ty != NULL)
gu_string_write(ty->cid, out, err);
gu_puts("\", shape = \"plaintext\", style = \"solid\"", out, err);
if (opts->nodeColor != NULL && *opts->nodeColor)
gu_printf(out, err, ", fontcolor = \"%s\"", opts->nodeColor);
if (opts->nodeFont != NULL && *opts->nodeFont)
gu_printf(out, err, ", fontname = \"%s\"", opts->nodeFont);
gu_puts("]\n", out, err);
}
break;
}
case PGF_EXPR_VAR:
gu_impossible();
break;
case PGF_EXPR_TYPED: {
PgfExprTyped* typed = ei.data;
id = pgf_graphviz_abstract_tree_(pgf, typed->expr, pid, opts, out, err);
break;
}
case PGF_EXPR_IMPL_ARG: {
PgfExprImplArg* implarg = ei.data;
id = pgf_graphviz_abstract_tree_(pgf, implarg->expr, pid, opts, out, err);
break;
}
default:
gu_impossible();
}
return id;
}
PGF_API void
pgf_graphviz_abstract_tree(PgfPGF* pgf, PgfExpr expr, PgfGraphvizOptions* opts, GuOut* out, GuExn* err)
{
int id = 0;
gu_puts("graph {\n", out, err);
pgf_graphviz_abstract_tree_(pgf, expr, &id, opts, out, err);
gu_puts("}", out, err);
}
typedef struct PgfParseNode PgfParseNode;
struct PgfParseNode {
int id;
PgfParseNode* parent;
GuString fun;
GuString label;
};
typedef struct {
PgfLinFuncs* funcs;
GuPool* pool;
GuOut* out;
GuExn* err;
PgfParseNode* parent;
size_t level;
GuBuf* internals;
GuBuf* leaves;
} PgfBracketLznState;
static void
pgf_bracket_lzn_symbol_token(PgfLinFuncs** funcs, PgfToken tok)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
PgfParseNode* node = gu_new(PgfParseNode, state->pool);
node->id = 100000 + gu_buf_length(state->leaves);
node->parent = state->parent;
node->fun = NULL;
node->label = tok;
gu_buf_push(state->leaves, PgfParseNode*, node);
}
static void
pgf_bracket_lzn_begin_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, GuString ann, PgfCId fun)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
if (strcmp(cat, "_") == 0)
return;
state->level++;
GuBuf* level;
if (state->level < gu_buf_length(state->internals))
level = gu_buf_get(state->internals, GuBuf*, state->level);
else {
level = gu_new_buf(PgfParseNode*, state->pool);
gu_buf_push(state->internals, GuBuf*, level);
}
size_t len = gu_buf_length(level);
for (size_t i = 0; i < len; i++) {
PgfParseNode* node = gu_buf_get(level, PgfParseNode*, i);
if (node->id == fid) {
state->parent = node;
return;
}
}
PgfParseNode* node = gu_new(PgfParseNode, state->pool);
node->id = fid;
node->parent = state->parent;
node->fun = fun;
node->label = cat;
gu_buf_push(level, PgfParseNode*, node);
state->parent = node;
}
static void
pgf_bracket_lzn_end_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, GuString ann, PgfCId fun)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
if (strcmp(cat, "_") == 0)
return;
state->level--;
state->parent = state->parent->parent;
}
static void
pgf_bracket_lzn_symbol_meta(PgfLinFuncs** funcs, PgfMetaId meta_id)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
PgfParseNode* node = gu_new(PgfParseNode, state->pool);
node->id = 100000 + gu_buf_length(state->leaves);
node->parent = state->parent;
node->fun = NULL;
node->label = "?";
gu_buf_push(state->leaves, PgfParseNode*, node);
}
static PgfLinFuncs pgf_bracket_lin_funcs = {
.symbol_token = pgf_bracket_lzn_symbol_token,
.begin_phrase = pgf_bracket_lzn_begin_phrase,
.end_phrase = pgf_bracket_lzn_end_phrase,
.symbol_ne = NULL,
.symbol_bind = NULL,
.symbol_capit = NULL,
.symbol_meta = pgf_bracket_lzn_symbol_meta
};
static void
pgf_graphviz_parse_level(GuBuf* level, PgfGraphvizOptions* opts, GuOut* out, GuExn* err)
{
gu_puts("\n subgraph {rank=same;\n", out, err);
size_t len = gu_buf_length(level);
if (len > 1)
gu_puts(" edge[style=invis]\n", out, err);
for (size_t i = 0; i < len; i++) {
PgfParseNode* node = gu_buf_get(level, PgfParseNode*, i);
if (node->fun != NULL) {
gu_printf(out, err, " n%d[label=\"", node->id);
if (!opts->noFun)
gu_string_write(node->fun, out, err);
if (!opts->noFun && !opts->noCat)
gu_puts(" : ", out, err);
if (!opts->noCat)
gu_string_write(node->label, out, err);
gu_puts("\"", out, err);
if (opts->nodeColor != NULL && *opts->nodeColor)
gu_printf(out, err, ", fontcolor = \"%s\"", opts->nodeColor);
if (opts->nodeFont != NULL && *opts->nodeFont)
gu_printf(out, err, ", fontname = \"%s\"", opts->nodeFont);
gu_puts("]\n", out, err);
} else {
if (opts->noLeaves)
gu_printf(out, err, " n%d[label=\"\"]\n", node->id);
else {
gu_printf(out, err, " n%d[label=\"%s\"", node->id, node->label);
if (opts->leafColor != NULL && *opts->leafColor)
gu_printf(out, err, ", fontcolor = \"%s\"", opts->leafColor);
if (opts->leafFont != NULL && *opts->leafFont)
gu_printf(out, err, ", fontname = \"%s\"", opts->leafFont);
gu_puts("]\n", out, err);
}
}
}
if (len > 1) {
for (size_t i = 0; i < len; i++) {
PgfParseNode* node = gu_buf_get(level, PgfParseNode*, i);
gu_puts((i == 0) ? " " : " -- ", out, err);
gu_printf(out, err, "n%d", node->id);
}
gu_puts("\n", out, err);
}
gu_puts(" }\n", out, err);
for (size_t i = 0; i < len; i++) {
PgfParseNode* node = gu_buf_get(level, PgfParseNode*, i);
if (node->parent != NULL) {
gu_printf(out, err, " n%d -- n%d", node->parent->id, node->id);
GuString edgeStyle, color;
if (node->fun == NULL) {
edgeStyle = opts->leafEdgeStyle;
color = opts->leafColor;
} else {
edgeStyle = opts->nodeEdgeStyle;
color = opts->nodeColor;
}
if (edgeStyle != NULL && *edgeStyle && color != NULL && *color)
gu_printf(out, err, " [style = \"%s\", color = \"%s\"]", edgeStyle, color);
else if (edgeStyle != NULL && *edgeStyle)
gu_printf(out, err, " [style = \"%s\"]", edgeStyle);
else if (color != NULL && *color)
gu_printf(out, err, " [color = \"%s\"]", color);
gu_putc('\n', out, err);
}
}
}
PGF_API void
pgf_graphviz_parse_tree(PgfConcr* concr, PgfExpr expr, PgfGraphvizOptions* opts, GuOut* out, GuExn* err)
{
GuPool* tmp_pool = gu_local_pool();
GuEnum* cts =
pgf_lzr_concretize(concr, expr, err, tmp_pool);
if (!gu_ok(err)) {
gu_pool_free(tmp_pool);
return;
}
PgfCncTree ctree = gu_next(cts, PgfCncTree, tmp_pool);
if (gu_variant_is_null(ctree)) {
gu_pool_free(tmp_pool);
return;
}
gu_puts("graph {\n", out, err);
gu_puts(" node[shape=plaintext]\n", out, err);
PgfBracketLznState state;
state.funcs = &pgf_bracket_lin_funcs;
state.pool = tmp_pool;
state.out = out;
state.err = err;
state.parent = NULL;
state.level = -1;
state.internals = gu_new_buf(GuBuf*, tmp_pool);
state.leaves = gu_new_buf(PgfParseNode*, tmp_pool);
pgf_lzr_linearize(concr, ctree, 0, &state.funcs, tmp_pool);
size_t len = gu_buf_length(state.internals);
for (size_t i = 0; i < len; i++) {
GuBuf* level = gu_buf_get(state.internals, GuBuf*, i);
pgf_graphviz_parse_level(level, opts, out, err);
}
pgf_graphviz_parse_level(state.leaves, opts, out, err);
gu_puts("}", out, err);
gu_pool_free(tmp_pool);
}
PGF_API_DECL void
pgf_graphviz_word_alignment(PgfConcr** concrs, size_t n_concrs, PgfExpr expr, PgfGraphvizOptions* opts, GuOut* out, GuExn* err)
{
GuPool* tmp_pool = gu_local_pool();
gu_puts("digraph {\n", out, err);
gu_puts("rankdir=LR ;\n", out, err);
gu_puts("node [shape = record", out, err);
if (opts->leafFont != NULL && *opts->leafFont)
gu_printf(out, err, ", fontname = \"%s\"", opts->leafFont);
if (opts->leafColor != NULL && *opts->leafColor)
gu_printf(out, err, ", fontcolor = \"%s\"", opts->leafColor);
gu_puts("] ;\n\n", out, err);
if (opts->leafEdgeStyle != NULL && *opts->leafEdgeStyle)
gu_printf(out, err, "edge [style = %s];\n", opts->leafEdgeStyle);
gu_puts("\n", out, err);
GuSeq* alignment = NULL;
GuSeq* last_alignment = NULL;
for (size_t i = 0; i < n_concrs; i++) {
alignment = pgf_align_words(concrs[i], expr, err, tmp_pool);
gu_printf(out, err, " struct%d[label=\"", i);
size_t n_tokens = gu_seq_length(alignment);
for (size_t j = 0; j < n_tokens; j++) {
PgfAlignmentPhrase* phrase = gu_seq_get(alignment, PgfAlignmentPhrase*, j);
if (j > 0)
gu_puts(" | ", out, err);
gu_printf(out, err, "<n%d> %s", j, phrase->phrase);
}
gu_puts("\"] ;\n", out, err);
if (last_alignment != NULL) {
size_t n_last_tokens = gu_seq_length(last_alignment);
for (size_t j = 0; j < n_tokens; j++) {
PgfAlignmentPhrase* phrase = gu_seq_get(alignment, PgfAlignmentPhrase*, j);
for (size_t k = 0; k < phrase->n_fids; k++) {
int fid = phrase->fids[k];
for (size_t l = 0; l < n_last_tokens; l++) {
PgfAlignmentPhrase* last_phrase = gu_seq_get(last_alignment, PgfAlignmentPhrase*, l);
for (size_t r = 0; r < last_phrase->n_fids; r++) {
int last_fid = last_phrase->fids[r];
if (fid == last_fid) {
gu_printf(out, err, "struct%d:n%d:e -> struct%d:n%d:w ;\n",i,j,i-1,l);
}
}
}
}
}
}
last_alignment = alignment;
}
gu_puts("}", out, err);
gu_pool_free(tmp_pool);
}