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authorTianjie Xu <xunchang@google.com>2016-11-02 00:53:02 +0100
committerGerrit Code Review <noreply-gerritcodereview@google.com>2016-11-02 00:53:02 +0100
commita9b252887c64e448dd141ede88a0fbe0c664b989 (patch)
treec189e5f93d00db87e71b8c7401af545e02d4d809 /edify/expr.cpp
parentMerge "applypatch: Switch the parameter of Value** to std::vector." (diff)
parentCleanup ReadArgs & ReadValueArgs usage (diff)
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Diffstat (limited to 'edify/expr.cpp')
-rw-r--r--edify/expr.cpp123
1 files changed, 12 insertions, 111 deletions
diff --git a/edify/expr.cpp b/edify/expr.cpp
index ec2409752..329cf3acd 100644
--- a/edify/expr.cpp
+++ b/edify/expr.cpp
@@ -254,31 +254,25 @@ Value* LessThanIntFn(const char* name, State* state, int argc, Expr* argv[]) {
return nullptr;
}
- char* left;
- char* right;
- if (ReadArgs(state, argv, 2, &left, &right) < 0) return nullptr;
-
- bool result = false;
- char* end;
+ std::vector<std::string> args;
+ if (!ReadArgs(state, 2, argv, &args)) {
+ return nullptr;
+ }
// Parse up to at least long long or 64-bit integers.
- int64_t l_int = static_cast<int64_t>(strtoll(left, &end, 10));
- if (left[0] == '\0' || *end != '\0') {
- goto done;
+ int64_t l_int;
+ if (!android::base::ParseInt(args[0].c_str(), &l_int)) {
+ state->errmsg = "failed to parse int in " + args[0];
+ return nullptr;
}
int64_t r_int;
- r_int = static_cast<int64_t>(strtoll(right, &end, 10));
- if (right[0] == '\0' || *end != '\0') {
- goto done;
+ if (!android::base::ParseInt(args[1].c_str(), &r_int)) {
+ state->errmsg = "failed to parse int in " + args[1];
+ return nullptr;
}
- result = l_int < r_int;
-
- done:
- free(left);
- free(right);
- return StringValue(result ? "t" : "");
+ return StringValue(l_int < r_int ? "t" : "");
}
Value* GreaterThanIntFn(const char* name, State* state,
@@ -372,99 +366,6 @@ bool ReadValueArgs(State* state, int argc, Expr* argv[],
return true;
}
-// Evaluate the expressions in argv, giving 'count' char* (the ... is
-// 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 = reinterpret_cast<char**>(malloc(count * sizeof(char*)));
- va_list v;
- va_start(v, count);
- int i;
- for (i = 0; i < count; ++i) {
- std::string str;
- if (!Evaluate(state, argv[i], &str) ||
- (args[i] = strdup(str.c_str())) == nullptr) {
- va_end(v);
- int j;
- for (j = 0; j < i; ++j) {
- free(args[j]);
- }
- free(args);
- return -1;
- }
- *(va_arg(v, char**)) = args[i];
- }
- va_end(v);
- free(args);
- return 0;
-}
-
-// Evaluate the expressions in argv, giving 'count' Value* (the ... is
-// 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 = new Value*[count];
- va_list v;
- va_start(v, count);
- for (int i = 0; i < count; ++i) {
- args[i] = EvaluateValue(state, argv[i]);
- if (args[i] == NULL) {
- va_end(v);
- int j;
- for (j = 0; j < i; ++j) {
- delete args[j];
- }
- delete[] args;
- return -1;
- }
- *(va_arg(v, Value**)) = args[i];
- }
- va_end(v);
- delete[] args;
- return 0;
-}
-
-// Evaluate the expressions in argv, returning an array of char*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// strings it contains.
-char** ReadVarArgs(State* state, int argc, Expr* argv[]) {
- char** args = (char**)malloc(argc * sizeof(char*));
- for (int i = 0; i < argc; ++i) {
- std::string str;
- if (!Evaluate(state, argv[i], &str) ||
- (args[i] = strdup(str.c_str())) == nullptr) {
- for (int j = 0; j < i; ++j) {
- free(args[j]);
- }
- free(args);
- return NULL;
- }
- }
- return args;
-}
-
-// Evaluate the expressions in argv, returning an array of Value*
-// results. If any evaluate to NULL, free the rest and return NULL.
-// The caller is responsible for freeing the returned array and the
-// Values it contains.
-Value** ReadValueVarArgs(State* state, int argc, Expr* argv[]) {
- Value** args = new Value*[argc];
- int i = 0;
- for (i = 0; i < argc; ++i) {
- args[i] = EvaluateValue(state, argv[i]);
- if (args[i] == NULL) {
- int j;
- for (j = 0; j < i; ++j) {
- delete args[j];
- }
- delete[] args;
- return NULL;
- }
- }
- return args;
-}
-
// Use printf-style arguments to compose an error message to put into
// *state. Returns nullptr.
Value* ErrorAbort(State* state, const char* format, ...) {