Http support

Makefile

@@ -1,17 +1,30 @@
+PKG_CONFIG = PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config
 COMPILER_DIR = src/compiler/
 RUNTIME_DIR = src/runtime/
 SHARED_DIR = src/shared/
 UTILS_DIR = src/utils/
 OPT_DIR = src/optionals/
 GRAVITY_SRC = src/cli/gravity.c
 
+DOCKER_DIR = docker
+DOCKERFILE_DIRS = $(notdir $(wildcard $(DOCKER_DIR)/*))
+
 CC ?= gcc
 SRC = $(wildcard $(COMPILER_DIR)*.c) \
       $(wildcard $(RUNTIME_DIR)/*.c) \
       $(wildcard $(SHARED_DIR)/*.c) \
       $(wildcard $(UTILS_DIR)/*.c) \
       $(wildcard $(OPT_DIR)/*.c)
 
+OPENSSL_ENABLED := true
+OPENSSL_INSTALLED = $(shell $(PKG_CONFIG) --exists openssl && echo true || echo false)
+$(info OPENSSL_ENABLED: $(OPENSSL_ENABLED))
+$(info OPENSSL_INSTALLED: $(OPENSSL_INSTALLED))
+ifeq ($(OPENSSL_ENABLED),true)
+	ifeq ($(OPENSSL_INSTALLED),false)
+		$(error OpenSSL is enabled, but not installed)
+	endif
+endif
 INCLUDE = -I$(COMPILER_DIR) -I$(RUNTIME_DIR) -I$(SHARED_DIR) -I$(UTILS_DIR) -I$(OPT_DIR)
 CFLAGS = $(INCLUDE) -std=gnu99 -fgnu89-inline -fPIC -DBUILD_GRAVITY_API
 OBJ = $(SRC:.c=.o)
@@ -26,6 +39,10 @@ else
 		# MacOS
 		LIBTARGET = libgravity.dylib
 		LDFLAGS = -lm
+		ifeq ($(OPENSSL_ENABLED),true)
+			CFLAGS += $(shell $(PKG_CONFIG) --cflags openssl) -DGRAVITY_OPENSSL_ENABLED
+			LDFLAGS += $(shell $(PKG_CONFIG) --libs openssl)
+		endif
 	else ifeq ($(UNAME_S),OpenBSD)
 		# OpenBSD
 		CFLAGS += -D_WITH_GETLINE
@@ -46,6 +63,10 @@ else
 		# Linux
 		LIBTARGET = libgravity.so
 		LDFLAGS = -lm -lrt
+		ifeq ($(OPENSSL_ENABLED),true)
+			CFLAGS += $(shell $(PKG_CONFIG) --cflags openssl) -DGRAVITY_OPENSSL_ENABLED
+			LDFLAGS += $(shell $(PKG_CONFIG) --libs openssl)
+		endif
 	endif
 endif
 
@@ -67,3 +88,18 @@ lib: gravity
 
 clean:
 	rm -f $(OBJ) gravity libgravity.so gravity.dll
+
+docker.%.base:
+	docker build --no-cache -t gravity-$*-base -f $(DOCKER_DIR)/$*/base/Dockerfile .
+
+docker.build:
+	docker-compose build
+
+docker.up: docker.$(DOCKERFILE_DIRS).base docker.build
+	$(info building gravity on: $(DOCKERFILE_DIRS))
+	docker-compose up
+
+docker.down:
+	docker-compose down
+	docker-compose stop
+	docker-compose rm

docker-compose.yaml

@@ -0,0 +1,6 @@
+version: '3'
+services:
+  ubuntu_openssl_enabled:
+    build: docker/ubuntu/openssl_enabled
+  ubuntu_openssl_disabled:
+    build: docker/ubuntu/openssl_disabled

docker/ubuntu/base/Dockerfile

@@ -0,0 +1,8 @@
+FROM ubuntu:latest
+
+RUN apt update
+RUN apt install -y make pkg-config
+
+COPY . /app
+WORKDIR /app
+ENV PATH="/app:${PATH}"

docker/ubuntu/openssl_disabled/Dockerfile

@@ -0,0 +1,6 @@
+FROM gravity-ubuntu-base
+
+ENV OPENSSL_ENABLED=false
+
+ENTRYPOINT [ "/bin/bash" ]
+CMD [ "-c", "./examples/http/run.sh" ]

docker/ubuntu/openssl_enabled/Dockerfile

@@ -0,0 +1,8 @@
+FROM gravity-ubuntu-base
+
+RUN apt install -y libssl-dev
+
+ENV OPENSSL_ENABLED=true
+
+ENTRYPOINT [ "/bin/bash" ]
+CMD [ "-c", "./examples/http/run.sh" ]

examples/http/main.gravity

@@ -0,0 +1,40 @@
+func main() {
+    var get_tests = [
+        [
+            "host": "github.com"
+        ],
+        [
+            "host": "https://reddit.com"
+        ],
+        [
+            "host": "https://api.github.com",
+            "path": "/users/jamesalbert"
+        ],
+        [
+            "host": "https://httpbin.org",
+            "path": "/get"
+        ]
+    ]
+
+    get_tests.loop(func (request) {
+        var resp = Http.get(request)
+        System.print("=== " + resp.Hostname)
+        System.print(resp)
+    })
+
+    var post_tests = [
+        [
+            "host": "https://httpbin.org/post",
+            "path": "/post",
+            "data": [
+                "pet": "cat"
+            ]
+        ]
+    ]
+
+    post_tests.loop(func (request) {
+        var resp = Http.post(request)
+        System.print("=== " + resp.Hostname)
+        System.print(resp)
+    })
+}

examples/http/run.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+# make gravity
+make clean gravity OPENSSL_ENABLED=${OPENSSL_ENABLED}
+
+# run example
+rm -f examples/http/main.json
+gravity -c examples/http/main.gravity -o examples/http/main.json
+gravity -x examples/http/main.json

gravity_visualstudio/exports.def

@@ -174,6 +174,7 @@ EXPORTS
 	gravity_list_from_array
 	gravity_list_free
 	gravity_list_append_list
+	gravity_list_append_value
 	gravity_list_blacken
 	gravity_list_size
 

gravity_visualstudio/gravity.vcxproj

@@ -33,6 +33,7 @@
     <ClInclude Include="..\src\compiler\gravity_token.h" />
     <ClInclude Include="..\src\compiler\gravity_visitor.h" />
     <ClInclude Include="..\src\optionals\gravity_math.h" />
+    <ClInclude Include="..\src\optionals\gravity_http.h" />
     <ClInclude Include="..\src\optionals\gravity_optionals.h" />
     <ClInclude Include="..\src\runtime\gravity_core.h" />
     <ClInclude Include="..\src\runtime\gravity_vm.h" />
@@ -63,6 +64,7 @@
     <ClCompile Include="..\src\compiler\gravity_token.c" />
     <ClCompile Include="..\src\compiler\gravity_visitor.c" />
     <ClCompile Include="..\src\optionals\gravity_math.c" />
+    <ClCompile Include="..\src\optionals\gravity_http.c" />
     <ClCompile Include="..\src\runtime\gravity_core.c" />
     <ClCompile Include="..\src\runtime\gravity_vm.c" />
     <ClCompile Include="..\src\shared\gravity_hash.c" />

gravity_visualstudio/gravity.vcxproj.filters

@@ -120,6 +120,9 @@
     <ClInclude Include="..\src\optionals\gravity_math.h">
       <Filter>src\opt</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\optionals\gravity_http.h">
+      <Filter>src\opt</Filter>
+    </ClInclude>
     <ClInclude Include="..\src\optionals\gravity_optionals.h">
       <Filter>src\opt</Filter>
     </ClInclude>
@@ -185,6 +188,9 @@
     <ClCompile Include="..\src\optionals\gravity_math.c">
       <Filter>src\opt</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\optionals\gravity_http.c">
+      <Filter>src\opt</Filter>
+    </ClCompile>
     <ClCompile Include="..\src\compiler\gravity_ast.c">
       <Filter>src\compiler</Filter>
     </ClCompile>

src/compiler/gravity_parser.c

@@ -2516,6 +2516,11 @@ static void parser_register_optional_classes (gravity_parser_t *parser) {
     gnode_array_push(decls, decl2);
     #endif
 
+    #ifdef GRAVITY_INCLUDE_HTTP
+    gnode_t *decl3 = gnode_variable_create(NO_TOKEN, string_dup(GRAVITY_HTTP_NAME()), NULL, NULL, LAST_DECLARATION(), NULL);
+    gnode_array_push(decls, decl3);
+    #endif
+
     // check if optional classes callback is registered
     if (parser->delegate && parser->delegate->optional_classes) {
         const char **list = parser->delegate->optional_classes();