edify: Switch to C++.
Change-Id: I71aede6e29af1dc4bb858a62016c8035db5d3452
diff --git a/edify/Android.mk b/edify/Android.mk
index eb366c2..9b859d4 100644
--- a/edify/Android.mk
+++ b/edify/Android.mk
@@ -5,12 +5,7 @@
edify_src_files := \
lexer.l \
parser.y \
- expr.c
-
-# "-x c" forces the lex/yacc files to be compiled as c the build system
-# otherwise forces them to be c++. Need to also add an explicit -std because the
-# build system will soon default C++ to -std=c++11.
-edify_cflags := -x c -std=gnu89
+ expr.cpp
#
# Build the host-side command line tool
@@ -19,12 +14,13 @@
LOCAL_SRC_FILES := \
$(edify_src_files) \
- main.c
+ main.cpp
-LOCAL_CPPFLAGS := $(edify_cflags) -g -O0
+LOCAL_CPPFLAGS := -g -O0
LOCAL_MODULE := edify
LOCAL_YACCFLAGS := -v
LOCAL_CPPFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-deprecated-register
LOCAL_CLANG := true
include $(BUILD_HOST_EXECUTABLE)
@@ -36,8 +32,8 @@
LOCAL_SRC_FILES := $(edify_src_files)
-LOCAL_CPPFLAGS := $(edify_cflags)
-LOCAL_CPPFLAGS += -Wno-unused-parameter
+LOCAL_CPPFLAGS := -Wno-unused-parameter
+LOCAL_CPPFLAGS += -Wno-deprecated-register
LOCAL_MODULE := libedify
LOCAL_CLANG := true
diff --git a/edify/expr.c b/edify/expr.cpp
similarity index 92%
rename from edify/expr.c
rename to edify/expr.cpp
index 79f6282..cd1e087 100644
--- a/edify/expr.c
+++ b/edify/expr.cpp
@@ -51,7 +51,7 @@
Value* StringValue(char* str) {
if (str == NULL) return NULL;
- Value* v = malloc(sizeof(Value));
+ Value* v = reinterpret_cast<Value*>(malloc(sizeof(Value)));
v->type = VAL_STRING;
v->size = strlen(str);
v->data = str;
@@ -68,7 +68,7 @@
if (argc == 0) {
return StringValue(strdup(""));
}
- char** strings = malloc(argc * sizeof(char*));
+ char** strings = reinterpret_cast<char**>(malloc(argc * sizeof(char*)));
int i;
for (i = 0; i < argc; ++i) {
strings[i] = NULL;
@@ -83,8 +83,9 @@
length += strlen(strings[i]);
}
- result = malloc(length+1);
- int p = 0;
+ result = reinterpret_cast<char*>(malloc(length+1));
+ int p;
+ p = 0;
for (i = 0; i < argc; ++i) {
strcpy(result+p, strings[i]);
p += strlen(strings[i]);
@@ -149,7 +150,7 @@
if (!b) {
int prefix_len;
int len = argv[i]->end - argv[i]->start;
- char* err_src = malloc(len + 20);
+ char* err_src = reinterpret_cast<char*>(malloc(len + 20));
strcpy(err_src, "assert failed: ");
prefix_len = strlen(err_src);
memcpy(err_src + prefix_len, state->script + argv[i]->start, len);
@@ -290,7 +291,8 @@
goto done;
}
- long r_int = strtol(right, &end, 10);
+ long r_int;
+ r_int = strtol(right, &end, 10);
if (right[0] == '\0' || *end != '\0') {
goto done;
}
@@ -325,11 +327,11 @@
Expr* Build(Function fn, YYLTYPE loc, int count, ...) {
va_list v;
va_start(v, count);
- Expr* e = malloc(sizeof(Expr));
+ Expr* e = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
e->fn = fn;
e->name = "(operator)";
e->argc = count;
- e->argv = malloc(count * sizeof(Expr*));
+ e->argv = reinterpret_cast<Expr**>(malloc(count * sizeof(Expr*)));
int i;
for (i = 0; i < count; ++i) {
e->argv[i] = va_arg(v, Expr*);
@@ -351,7 +353,7 @@
void RegisterFunction(const char* name, Function fn) {
if (fn_entries >= fn_size) {
fn_size = fn_size*2 + 1;
- fn_table = realloc(fn_table, fn_size * sizeof(NamedFunction));
+ fn_table = reinterpret_cast<NamedFunction*>(realloc(fn_table, fn_size * sizeof(NamedFunction)));
}
fn_table[fn_entries].name = name;
fn_table[fn_entries].fn = fn;
@@ -371,8 +373,8 @@
Function FindFunction(const char* name) {
NamedFunction key;
key.name = name;
- NamedFunction* nf = bsearch(&key, fn_table, fn_entries,
- sizeof(NamedFunction), fn_entry_compare);
+ NamedFunction* nf = reinterpret_cast<NamedFunction*>(bsearch(&key, fn_table, fn_entries,
+ sizeof(NamedFunction), fn_entry_compare));
if (nf == NULL) {
return NULL;
}
@@ -401,7 +403,7 @@
// zero or more char** to put them in). If any expression evaluates
// to NULL, free the rest and return -1. Return 0 on success.
int ReadArgs(State* state, Expr* argv[], int count, ...) {
- char** args = malloc(count * sizeof(char*));
+ char** args = reinterpret_cast<char**>(malloc(count * sizeof(char*)));
va_list v;
va_start(v, count);
int i;
@@ -427,7 +429,7 @@
// zero or more Value** to put them in). If any expression evaluates
// to NULL, free the rest and return -1. Return 0 on success.
int ReadValueArgs(State* state, Expr* argv[], int count, ...) {
- Value** args = malloc(count * sizeof(Value*));
+ Value** args = reinterpret_cast<Value**>(malloc(count * sizeof(Value*)));
va_list v;
va_start(v, count);
int i;
@@ -494,7 +496,7 @@
// Use printf-style arguments to compose an error message to put into
// *state. Returns NULL.
Value* ErrorAbort(State* state, const char* format, ...) {
- char* buffer = malloc(4096);
+ char* buffer = reinterpret_cast<char*>(malloc(4096));
va_list v;
va_start(v, format);
vsnprintf(buffer, 4096, format, v);
diff --git a/edify/expr.h b/edify/expr.h
index a9ed2f9..36f8e96 100644
--- a/edify/expr.h
+++ b/edify/expr.h
@@ -21,10 +21,6 @@
#include "yydefs.h"
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#define MAX_STRING_LEN 1024
typedef struct Expr Expr;
@@ -59,7 +55,7 @@
struct Expr {
Function fn;
- char* name;
+ const char* name;
int argc;
Expr** argv;
int start, end;
@@ -166,8 +162,4 @@
int parse_string(const char* str, Expr** root, int* error_count);
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
#endif // _EXPRESSION_H
diff --git a/edify/main.c b/edify/main.cpp
similarity index 100%
rename from edify/main.c
rename to edify/main.cpp
diff --git a/edify/parser.y b/edify/parser.y
index f8fb2d1..098a637 100644
--- a/edify/parser.y
+++ b/edify/parser.y
@@ -70,7 +70,7 @@
;
expr: STRING {
- $$ = malloc(sizeof(Expr));
+ $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
$$->fn = Literal;
$$->name = $1;
$$->argc = 0;
@@ -91,7 +91,7 @@
| IF expr THEN expr ENDIF { $$ = Build(IfElseFn, @$, 2, $2, $4); }
| IF expr THEN expr ELSE expr ENDIF { $$ = Build(IfElseFn, @$, 3, $2, $4, $6); }
| STRING '(' arglist ')' {
- $$ = malloc(sizeof(Expr));
+ $$ = reinterpret_cast<Expr*>(malloc(sizeof(Expr)));
$$->fn = FindFunction($1);
if ($$->fn == NULL) {
char buffer[256];
@@ -113,12 +113,12 @@
}
| expr {
$$.argc = 1;
- $$.argv = malloc(sizeof(Expr*));
+ $$.argv = reinterpret_cast<Expr**>(malloc(sizeof(Expr*)));
$$.argv[0] = $1;
}
| arglist ',' expr {
$$.argc = $1.argc + 1;
- $$.argv = realloc($$.argv, $$.argc * sizeof(Expr*));
+ $$.argv = reinterpret_cast<Expr**>(realloc($$.argv, $$.argc * sizeof(Expr*)));
$$.argv[$$.argc-1] = $3;
}
;