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Merged
shenao78 merged 2 commits into from
Jul 21, 2021
Merged

add ast header file #6

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eaa61db
add ast header file
shenao78 Jul 21, 2021
d712c48
remove ast file
shenao78 Jul 21, 2021
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54 changes: 27 additions & 27 deletions src/summoner.c → src/create.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2,76 +2,76 @@
#include <stdlib.h>
#include "summoner.h"

Expression *allocExpression(ExpressionKind kind)
Expression *alloc_expression(ExpressionKind kind)
{
Expression *expr = malloc(sizeof(Expression));
expr->kind = kind;
return expr;
}

Expression *allocIntExpression(int value)
Expression *alloc_int_expression(int value)
{
Expression *expr = allocExpression(INT_EXPRESSION);
Expression *expr = alloc_expression(INT_EXPRESSION);
expr->u.int_value = value;
return expr;
}

Expression *allocDoubleExpression(double value)
Expression *alloc_double_expression(double value)
{
Expression *expr = allocExpression(DOUBLE_EXPRESSION);
Expression *expr = alloc_expression(DOUBLE_EXPRESSION);
expr->u.double_value = value;
return expr;
}

Expression *allocIdentifierExpression(char *identifier)
Expression *alloc_identifier_expression(char *identifier)
{
Expression *expr = allocExpression(IDENTIFIER_EXPRESSION);
Expression *expr = alloc_expression(IDENTIFIER_EXPRESSION);
expr->u.identifier = identifier;
return expr;
}

Expression *allocBoolExpression(bool value)
Expression *alloc_bool_expression(bool value)
{
Expression *expr = allocExpression(BOOL_EXPRESSION);
Expression *expr = alloc_expression(BOOL_EXPRESSION);
expr->u.boolean_value = value;
return expr;
}

Expression *allocUnaryExpression(ExpressionKind kind, Expression *unaryExpr)
Expression *alloc_unary_expression(ExpressionKind kind, Expression *unaryExpr)
{
Expression *expr = allocExpression(kind);
Expression *expr = alloc_expression(kind);
expr->u.unary_expression = unaryExpr;
return expr;
}

Expression *allocBinaryExpression(ExpressionKind kind, Expression *left, Expression *right)
Expression *alloc_binary_expression(ExpressionKind kind, Expression *left, Expression *right)
{
Expression *expr = allocExpression(kind);
Expression *expr = alloc_expression(kind);
BinaryExpression *binary = malloc(sizeof(BinaryExpression));
binary->left = left;
binary->right = right;
expr->u.binary_expression = binary;
return expr;
}

Statement *allocStatement(StatementKind kind)
Statement *alloc_statement(StatementKind kind)
{
Statement *stmt = malloc(sizeof(Statement));
stmt->kind = kind;
return stmt;
}

Statement *allocAssignStatement(char *variable, Expression *operand)
Statement *alloc_assign_statement(char *variable, Expression *operand)
{
Statement *stmt = allocStatement(ASSIGN_STATEMENT);
Statement *stmt = alloc_statement(ASSIGN_STATEMENT);
AssignStatement *assign_s = malloc(sizeof(AssignStatement));
stmt->u.assign_s = assign_s;
return stmt;
}

Statement *allocIfStatement(Expression *condition, Block *then_block, Elseif *elseif_list, Block *else_block)
Statement *alloc_if_statement(Expression *condition, Block *then_block, Elseif *elseif_list, Block *else_block)
{
Statement *stmt = allocStatement(IF_STATEMENT);
Statement *stmt = alloc_statement(IF_STATEMENT);
IfStatement *if_s = malloc(sizeof(IfStatement));
if_s->condition = condition;
if_s->then_block = then_block;
Expand All @@ -81,44 +81,44 @@ Statement *allocIfStatement(Expression *condition, Block *then_block, Elseif *el
return stmt;
}

Statement *allocBlockStatement(Block *block)
Statement *alloc_block_statement(Block *block)
{
Statement *stmt = allocStatement(BLOCK_STATEMENT);
Statement *stmt = alloc_statement(BLOCK_STATEMENT);
stmt->u.block_s = block;
return stmt;
}

StatementList *allocStatementList(Statement *statement)
StatementList *alloc_statement_list(Statement *statement)
{
StatementList *stmt_list = malloc(sizeof(StatementList));
stmt_list->statement = statement;
return stmt_list;
}

StatementList *chainStatementList(StatementList *list, Statement *statement)
StatementList *chain_statement_list(StatementList *list, Statement *statement)
{
if (list == NULL)
{
return allocStatementList(statement);
return alloc_statement_list(statement);
}

StatementList *pos;
for (pos = list; pos->next; pos = pos->next)
;

pos->next = allocStatementList(statement);
pos->next = alloc_statement_list(statement);
return list;
}

Elseif *allocElseif(Expression *condition, Block *block)
Elseif *alloc_else_if(Expression *condition, Block *block)
{
Elseif *elseif = malloc(sizeof(Elseif));
elseif->condition = condition;
elseif->block = block;
return elseif;
}

Elseif *chainElseifList(Elseif *list, Elseif *elseif)
Elseif *chain_else_if_list(Elseif *list, Elseif *elseif)
{
if (list == NULL)
{
Expand All @@ -133,7 +133,7 @@ Elseif *chainElseifList(Elseif *list, Elseif *elseif)
return list;
}

Block *allocBlock(StatementList *list)
Block *alloc_block(StatementList *list)
{
Block *block = malloc(sizeof(Block));
block->statemen_list = list;
Expand Down
69 changes: 35 additions & 34 deletions src/grammar.y
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
%{
#include <stdio.h>
#include <stdlib.h>
#include "src/ast.h"
#include "src/summoner.h"
#include "src/interpreter.h"

Expand Down Expand Up @@ -43,66 +44,66 @@ int yyerror(const char *s);
%%

stmt_list:
stmt {$$ = allocStatementList($1); }
| stmt_list new_line stmt {$$ = chainStatementList($1, $3); }
stmt {$$ = alloc_statement_list($1); }
| stmt_list new_line stmt {$$ = chain_statement_list($1, $3); }
;

stmt:
expr { printExprValue(evalExpression($1)); }
| IDENTIFIER '=' expr { $$ = allocAssignStatement($1, $3); }
| block { $$ = allocBlockStatement($1); }
| IDENTIFIER '=' expr { $$ = alloc_assign_statement($1, $3); }
| block { $$ = alloc_block_statement($1); }
| if_stmt
;

if_stmt:
IF '(' bool_expr ')' block { $$ = allocIfStatement($3, $5, NULL, NULL); }
| IF '(' bool_expr ')' block ELSE block { $$ = allocIfStatement($3, $5, NULL, $7); }
| IF '(' bool_expr ')' block elseif_list { $$ = allocIfStatement($3, $5, $6, NULL); }
| IF '(' bool_expr ')' block elseif_list ELSE block { $$ = allocIfStatement($3, $5, $6, $8); }
IF bool_expr block { $$ = alloc_if_statement($2, $3, NULL, NULL); }
| IF bool_expr block ELSE block { $$ = alloc_if_statement($2, $3, NULL, $5); }
| IF bool_expr block elseif_list { $$ = alloc_if_statement($2, $3, $4, NULL); }
| IF bool_expr block elseif_list ELSE block { $$ = alloc_if_statement($2, $3, $4, $6); }
;

elseif_list:
elseif
| elseif_list elseif { $$ = chainElseifList($1, $2); }
| elseif_list elseif { $$ = chain_else_if_list($1, $2); }
;

elseif:
ELSE IF '(' bool_expr ')' block { $$ = allocElseif($4, $6); }
ELSE IF bool_expr block { $$ = alloc_else_if($3, $4); }
;

block:
'{' stmt_list '}' { $$ = allocBlock($2); }
| '{' new_line stmt_list '}' { $$ = allocBlock($3); }
| '{' stmt_list new_line '}' { $$ = allocBlock($2); }
| '{' new_line stmt_list new_line '}' { $$ = allocBlock($3); }
| '{' new_line '}' { $$ = allocBlock(NULL); }
| '{' '}' { $$ = allocBlock(NULL); }
'{' stmt_list '}' { $$ = alloc_block($2); }
| '{' new_line stmt_list '}' { $$ = alloc_block($3); }
| '{' stmt_list new_line '}' { $$ = alloc_block($2); }
| '{' new_line stmt_list new_line '}' { $$ = alloc_block($3); }
| '{' new_line '}' { $$ = alloc_block(NULL); }
| '{' '}' { $$ = alloc_block(NULL); }
;

expr:
INT_LITERAL { $$ = allocIntExpression($1); }
| DOUBLE_LITERAL { $$ = allocDoubleExpression($1); }
| BOOL_LITERAL { $$ = allocBoolExpression($1); }
| IDENTIFIER { $$ = allocIdentifierExpression($1); }
| expr '+' expr { $$ = allocBinaryExpression(ADD_EXPRESSION, $1, $3); }
| expr '-' expr { $$ = allocBinaryExpression(SUB_EXPRESSION, $1, $3); }
| expr '*' expr { $$ = allocBinaryExpression(MUL_EXPRESSION, $1, $3); }
| expr '/' expr { $$ = allocBinaryExpression(DIV_EXPRESSION, $1, $3); }
| '-' expr %prec MINUS { $$ = allocUnaryExpression(MINUS_EXPRESSION, $2); }
INT_LITERAL { $$ = alloc_int_expression($1); }
| DOUBLE_LITERAL { $$ = alloc_double_expression($1); }
| BOOL_LITERAL { $$ = alloc_bool_expression($1); }
| IDENTIFIER { $$ = alloc_identifier_expression($1); }
| expr '+' expr { $$ = alloc_binary_expression(ADD_EXPRESSION, $1, $3); }
| expr '-' expr { $$ = alloc_binary_expression(SUB_EXPRESSION, $1, $3); }
| expr '*' expr { $$ = alloc_binary_expression(MUL_EXPRESSION, $1, $3); }
| expr '/' expr { $$ = alloc_binary_expression(DIV_EXPRESSION, $1, $3); }
| '-' expr %prec MINUS { $$ = alloc_unary_expression(MINUS_EXPRESSION, $2); }
| '(' expr ')' { $$ = $2; }
| bool_expr
;

bool_expr:
expr '>' expr { $$ = allocBinaryExpression(GT_EXPRESSION, $1, $3); }
| expr GE expr { $$ = allocBinaryExpression(GE_EXPRESSION, $1, $3); }
| expr '<' expr { $$ = allocBinaryExpression(LT_EXPRESSION, $1, $3); }
| expr LE expr { $$ = allocBinaryExpression(LE_EXPRESSION, $1, $3); }
| expr EQ expr { $$ = allocBinaryExpression(EQ_EXPRESSION, $1, $3); }
| expr NE expr { $$ = allocBinaryExpression(NE_EXPRESSION, $1, $3); }
| expr AND expr { $$ = allocBinaryExpression(AND_EXPRESSION, $1, $3); }
| expr OR expr { $$ = allocBinaryExpression(OR_EXPRESSION, $1, $3); }
| '!' expr %prec NOT { $$ = allocUnaryExpression(NOT_EXPRESSION, $2); }
expr '>' expr { $$ = alloc_binary_expression(GT_EXPRESSION, $1, $3); }
| expr GE expr { $$ = alloc_binary_expression(GE_EXPRESSION, $1, $3); }
| expr '<' expr { $$ = alloc_binary_expression(LT_EXPRESSION, $1, $3); }
| expr LE expr { $$ = alloc_binary_expression(LE_EXPRESSION, $1, $3); }
| expr EQ expr { $$ = alloc_binary_expression(EQ_EXPRESSION, $1, $3); }
| expr NE expr { $$ = alloc_binary_expression(NE_EXPRESSION, $1, $3); }
| expr AND expr { $$ = alloc_binary_expression(AND_EXPRESSION, $1, $3); }
| expr OR expr { $$ = alloc_binary_expression(OR_EXPRESSION, $1, $3); }
| '!' expr %prec NOT { $$ = alloc_unary_expression(NOT_EXPRESSION, $2); }
;

new_line:
Expand Down
32 changes: 16 additions & 16 deletions src/summoner.h
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Original file line number Diff line number Diff line change
Expand Up @@ -66,13 +66,13 @@ typedef struct BinaryExpression
Expression *right;
} BinaryExpression;

Expression *allocExpression(ExpressionKind kind);
Expression *allocIntExpression(int value);
Expression *allocDoubleExpression(double value);
Expression *allocBoolExpression(bool value);
Expression *allocIdentifierExpression(char *identifier);
Expression *allocUnaryExpression(ExpressionKind kind, Expression *unaryExpr);
Expression *allocBinaryExpression(ExpressionKind kind, Expression *left, Expression *right);
Expression *alloc_expression(ExpressionKind kind);
Expression *alloc_int_expression(int value);
Expression *alloc_double_expression(double value);
Expression *alloc_bool_expression(bool value);
Expression *alloc_identifier_expression(char *identifier);
Expression *alloc_unary_expression(ExpressionKind kind, Expression *unaryExpr);
Expression *alloc_binary_expression(ExpressionKind kind, Expression *left, Expression *right);

typedef enum
{
Expand Down Expand Up @@ -128,14 +128,14 @@ typedef struct IfStatement
Block *else_block;
} IfStatement;

Statement *allocStatement(StatementKind kind);
Statement *allocAssignStatement(char *variable, Expression *operand);
Statement *allocBlockStatement(Block *block);
Statement *allocIfStatement(Expression *condition, Block *then_block, Elseif *elseif_list, Block *else_block);
StatementList *allocStatementList(Statement *statement);
StatementList *chainStatementList(StatementList *list, Statement *statement);
Elseif *allocElseif(Expression *condition, Block *block);
Elseif *chainElseifList(Elseif *list, Elseif *elseif);
Block *allocBlock(StatementList *list);
Statement *alloc_statement(StatementKind kind);
Statement *alloc_assign_statement(char *variable, Expression *operand);
Statement *alloc_block_statement(Block *block);
Statement *alloc_if_statement(Expression *condition, Block *then_block, Elseif *elseif_list, Block *else_block);
StatementList *alloc_statement_list(Statement *statement);
StatementList *chain_statement_list(StatementList *list, Statement *statement);
Elseif *alloc_else_if(Expression *condition, Block *block);
Elseif *chain_else_if_list(Elseif *list, Elseif *elseif);
Block *alloc_block(StatementList *list);

#endif