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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "draw.h"
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static void printLabelString(FILE *fp, CcmmcAst *astNode)
{
const char *binaryOpString[] = {
"+",
"-",
"*",
"/",
"==",
">=",
"<=",
"!=",
">",
"<",
"&&",
"||"
};
const char *unaryOpString[] = {
"+",
"-",
"!"
};
switch (astNode->type_node) {
case CCMMC_AST_NODE_PROGRAM:
fprintf(fp, "PROGRAM_NODE");
break;
case CCMMC_AST_NODE_DECL:
fprintf(fp, "DECLARATION_NODE ");
switch (astNode->value_decl.kind) {
case CCMMC_KIND_DECL_VARIABLE:
fprintf(fp, "VARIABLE_DECL");
break;
case CCMMC_KIND_DECL_TYPE:
fprintf(fp, "TYPE_DECL");
break;
case CCMMC_KIND_DECL_FUNCTION:
fprintf(fp, "FUNCTION_DECL");
break;
case CCMMC_KIND_DECL_FUNCTION_PARAMETER:
fprintf(fp, "FUNCTION_PARAMETER_DECL");
break;
default:
assert(false);
}
break;
case CCMMC_AST_NODE_ID:
fprintf(fp, "IDENTIFIER_NODE ");
fprintf(fp, "%s ", astNode->value_id.name);
switch (astNode->value_id.kind) {
case CCMMC_KIND_ID_NORMAL:
fprintf(fp, "NORMAL_ID");
break;
case CCMMC_KIND_ID_ARRAY:
fprintf(fp, "ARRAY_ID");
break;
case CCMMC_KIND_ID_WITH_INIT:
fprintf(fp, "WITH_INIT_ID");
break;
default:
assert(false);
}
break;
case CCMMC_AST_NODE_PARAM_LIST:
fprintf(fp, "PARAM_LIST_NODE");
break;
case CCMMC_AST_NODE_NUL:
fprintf(fp, "NUL_NODE");
break;
case CCMMC_AST_NODE_BLOCK:
fprintf(fp, "BLOCK_NODE");
break;
case CCMMC_AST_NODE_VARIABLE_DECL_LIST:
fprintf(fp, "VARIABLE_DECL_LIST_NODE");
break;
case CCMMC_AST_NODE_STMT_LIST:
fprintf(fp, "STMT_LIST_NODE");
break;
case CCMMC_AST_NODE_STMT:
fprintf(fp, "STMT_NODE ");
switch (astNode->value_stmt.kind) {
case CCMMC_KIND_STMT_WHILE:
fprintf(fp, "WHILE_STMT");
break;
case CCMMC_KIND_STMT_FOR:
fprintf(fp, "FOR_STMT");
break;
case CCMMC_KIND_STMT_ASSIGN:
fprintf(fp, "ASSIGN_STMT");
break;
case CCMMC_KIND_STMT_IF:
fprintf(fp, "IF_STMT");
break;
case CCMMC_KIND_STMT_FUNCTION_CALL:
fprintf(fp, "FUNCTION_CALL_STMT");
break;
case CCMMC_KIND_STMT_RETURN:
fprintf(fp, "RETURN_STMT");
break;
default:
assert(false);
}
break;
case CCMMC_AST_NODE_EXPR:
fprintf(fp, "EXPR_NODE ");
switch (astNode->value_expr.kind) {
case CCMMC_KIND_EXPR_BINARY_OP:
fprintf(fp, "%s", binaryOpString[astNode->value_expr.op_binary]);
break;
case CCMMC_KIND_EXPR_UNARY_OP:
fprintf(fp, "%s", unaryOpString[astNode->value_expr.op_unary]);
break;
default:
assert(false);
}
break;
case CCMMC_AST_NODE_CONST_VALUE:
fprintf(fp, "CONST_VALUE_NODE ");
switch (astNode->value_const.kind) {
case CCMMC_KIND_CONST_INT:
fprintf(fp, "%d", astNode->value_const.const_int);
break;
case CCMMC_KIND_CONST_FLOAT:
fprintf(fp, "%f", astNode->value_const.const_float);
break;
case CCMMC_KIND_CONST_STRING:
fprintf(fp, "\\\"%s\\\"", astNode->value_const.const_string);
break;
default:
assert(false);
}
break;
case CCMMC_AST_NODE_NONEMPTY_ASSIGN_EXPR_LIST:
fprintf(fp, "NONEMPTY_ASSIGN_EXPR_LIST_NODE");
break;
case CCMMC_AST_NODE_NONEMPTY_RELOP_EXPR_LIST:
fprintf(fp, "NONEMPTY_RELOP_EXPR_LIST_NODE");
break;
default:
fprintf(fp, "default case in char *getLabelString(AST_TYPE astType)");
break;
}
}
// count: the (unused) id number to be used
// return: then next unused id number
static int printGVNode(FILE *fp, CcmmcAst *node, int count)
{
if (node == NULL)
return count;
int currentNodeCount = count;
fprintf(fp, "node%d [label =\"", count);
printLabelString(fp, node);
fprintf(fp, "\"]\n");
++count;
int countAfterCheckChildren = count;
if (node->child) {
countAfterCheckChildren = printGVNode(fp, node->child, count);
fprintf(fp, "node%d -> node%d [style = bold]\n", currentNodeCount, count);
}
int countAfterCheckSibling = countAfterCheckChildren;
if (node->right_sibling) {
countAfterCheckSibling = printGVNode(fp, node->right_sibling, countAfterCheckChildren);
fprintf(fp, "node%d -> node%d [style = dashed]\n", currentNodeCount, countAfterCheckChildren);
}
return countAfterCheckSibling;
}
void ccmmc_draw_ast (FILE *fp, const char *name, CcmmcAst *root)
{
fprintf(fp , "Digraph AST\n");
fprintf(fp , "{\n");
fprintf(fp , "label = \"%s\"\n", name);
printGVNode(fp, root, 0);
fprintf(fp , "}\n");
}
// vim: set sw=4 ts=4 sts=4 et:
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